/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary-start: #0A4D6C;
    --color-primary-end: #14B8A6;
    --color-accent: #84CC16;
    --color-dark: #1A1A1A;
    --color-gray-dark: #2D2D2D;
    --color-gray: #6B7280;
    --color-gray-light: #E5E7EB;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-whatsapp: #25D366;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-headings: 'Poppins', var(--font-primary);
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;
    --fs-7xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    /* Borders & Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(20, 184, 166, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--color-dark);
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 40%, rgba(132, 204, 22, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 70%, rgba(10, 77, 108, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 10% 80%, rgba(20, 184, 166, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 90%, rgba(132, 204, 22, 0.07) 0%, transparent 50%),
        linear-gradient(180deg, #ffffff 0%, #fafffe 50%, #ffffff 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

/* Efecto de mesh sutil adicional */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 30%, rgba(20, 184, 166, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 70% 60%, rgba(132, 204, 22, 0.02) 1px, transparent 1px);
    background-size: 80px 80px, 120px 120px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

body > * {
    position: relative;
    z-index: 1;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--fs-6xl); }
h2 { font-size: var(--fs-5xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-base);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow-x: hidden;
}

/* Divisor decorativo entre secciones */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(20, 184, 166, 0.1) 10%,
        rgba(20, 184, 166, 0.3) 50%,
        rgba(20, 184, 166, 0.1) 90%,
        transparent 100%
    );
}

/* Primera sección sin divisor superior */
.section:first-of-type::before {
    display: none;
}

/* Efecto decorativo adicional para secciones alternadas */
.section:nth-child(even) {
    background: linear-gradient(
        180deg,
        rgba(240, 253, 250, 0) 0%,
        rgba(240, 253, 250, 0.3) 50%,
        rgba(240, 253, 250, 0) 100%
    );
}

.section:nth-child(even)::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(132, 204, 22, 0.1) 10%,
        rgba(132, 204, 22, 0.3) 50%,
        rgba(132, 204, 22, 0.1) 90%,
        transparent 100%
    );
}

.text-center {
    text-align: center;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Divisor ondulado decorativo */
.section-wave-divider {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 60px;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.section-wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* Scroll-triggered animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}

.btn-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: scale(1.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 10px 25px -5px rgba(20, 184, 166, 0.4), 0 4px 6px -2px rgba(10, 77, 108, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px -5px rgba(20, 184, 166, 0.5), 0 6px 10px -2px rgba(10, 77, 108, 0.4);
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.01);
}

.btn-secondary {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-gray-light);
}

.btn-secondary:hover {
    background: var(--color-light);
    border-color: var(--color-primary-end);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-end);
    border-color: var(--color-primary-end);
    font-weight: 600;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    transition: width 0.4s ease;
    z-index: -1;
}

.btn-outline:hover {
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(20, 184, 166, 0.3);
    border-color: var(--color-primary-start);
}

.btn-outline:hover::before {
    width: 100%;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--color-white);
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 8px 20px -5px rgba(37, 211, 102, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-whatsapp .btn-icon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.btn-whatsapp::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn-whatsapp:hover {
    background: linear-gradient(135deg, #128C7E, #075E54);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px -5px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp:hover::after {
    width: 300px;
    height: 300px;
}

.btn-whatsapp:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-lg);
}

.btn-nav {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-nav .btn-icon {
    width: 16px;
    height: 16px;
}

/* Botón desktop visible solo en desktop */
.btn-nav-desktop {
    display: inline-flex;
}

/* Botón mobile oculto por defecto, visible solo dentro del menú */
.btn-nav-mobile {
    display: none;
}

/* Item del menú que contiene el botón CTA */
.nav-cta-item {
    display: none;
}

.btn-glow {
    box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
    box-shadow: 0 0 40px rgba(20, 184, 166, 0.6);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: var(--spacing-xl);
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: transform var(--transition-base);
    padding: var(--spacing-xs) 0;
    flex-shrink: 0;
    min-width: 200px;
}

.logo-brand:hover {
    transform: translateY(-2px);
}

.logo-image {
    height: 55px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(10, 77, 108, 0.2));
    transition: filter var(--transition-base);
    flex-shrink: 0;
}

.logo-brand:hover .logo-image {
    filter: drop-shadow(0 4px 12px rgba(20, 184, 166, 0.4));
}

.brand-text {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    line-height: 1;
    font-family: var(--font-headings);
    flex-shrink: 0;
}

.brand-fluent {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-start) 0%, var(--color-primary-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.brand-code {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-end) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: center;
    margin: 0 var(--spacing-md);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.animated-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(10, 77, 108, 0.05) 0%, 
        rgba(20, 184, 166, 0.05) 50%, 
        rgba(132, 204, 22, 0.03) 100%);
    background-size: 200% 200%;
    animation: gradient-shift 15s ease infinite;
}

.code-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, var(--color-primary-end) 2px, var(--color-primary-end) 3px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, var(--color-primary-end) 2px, var(--color-primary-end) 3px);
    background-size: 30px 30px;
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: clamp(var(--fs-4xl), 5vw, var(--fs-7xl));
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(var(--fs-lg), 2vw, var(--fs-2xl));
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

/* Texto responsivo de botones */
.btn-text-short {
    display: none;
}

.btn-text-long {
    display: inline;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    border-top: 2px solid var(--color-gray-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    min-width: 150px;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: rgba(20, 184, 166, 0.05);
    transform: translateY(-2px);
}

.stat-number {
    font-size: var(--fs-4xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray);
    font-weight: 600;
}

/* ========================================
   SECTION HEADERS
   ======================================== */

.section-header {
    max-width: 900px;
    margin: 0 auto var(--spacing-4xl);
    text-align: center;
    position: relative;
}

/* Decorador superior del encabezado */
.section-header::before {
    content: '';
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end), var(--color-accent));
    border-radius: var(--radius-full);
    box-shadow: 0 2px 10px rgba(20, 184, 166, 0.3);
}

/* Decorador inferior del encabezado */
.section-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 3px;
    background: var(--color-primary-end);
    border-radius: 50%;
    box-shadow: 
        -15px 0 0 var(--color-primary-start),
        15px 0 0 var(--color-accent),
        -30px 0 0 rgba(20, 184, 166, 0.3),
        30px 0 0 rgba(132, 204, 22, 0.3);
}

.section-title {
    font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-subtitle {
    font-size: clamp(var(--fs-base), 1.5vw, var(--fs-xl));
    color: var(--color-gray);
    margin-bottom: 0;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   PROBLEM SECTION
   ======================================== */

.problem {
    background: var(--color-light);
    overflow: hidden;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    align-items: stretch;
}

.problem-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
    border: 1px solid transparent;
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(10, 77, 108, 0.2);
    border-color: rgba(20, 184, 166, 0.2);
}

.problem-card:hover .problem-icon {
    transform: scale(1.1) rotate(5deg);
}

.problem-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    transition: transform var(--transition-slow);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.problem-title {
    font-size: var(--fs-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.problem-description {
    font-size: var(--fs-base);
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 0;
    flex: 1;
}

/* ========================================
   SOLUTION SECTION
   ======================================== */

.solution {
    overflow: hidden;
    background: linear-gradient(180deg, 
        rgba(240, 253, 250, 0.3) 0%, 
        var(--color-white) 50%,
        rgba(240, 253, 250, 0.3) 100%
    );
    position: relative;
}

.solution::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(132, 204, 22, 0.3) 50%,
        transparent 100%
    );
}

.solution-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.solution-text {
    max-width: 600px;
}

.solution-title-with-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.solution-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(20, 184, 166, 0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.solution-title-with-logo .section-title {
    margin-bottom: 0;
}

.section-description {
    font-size: var(--fs-lg);
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.solution-features {
    margin: var(--spacing-xl) 0;
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.feature-content h4 {
    font-size: var(--fs-lg);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: var(--fs-base);
    color: var(--color-gray);
    margin-bottom: 0;
}

.solution-image {
    position: relative;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0fdfa 0%, #ffffff 50%, #f0fdfa 100%);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 60px rgba(10, 77, 108, 0.15);
    padding: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.logo-container::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.logo-svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 10px 30px rgba(20, 184, 166, 0.2));
    animation: pulse-logo 4s ease-in-out infinite;
}

@keyframes pulse-logo {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.parallax-element {
    transition: transform 0.3s ease-out;
    will-change: transform;
}

/* ========================================
   WHY CHOOSE US SECTION
   ======================================== */

.why-choose-us {
    background: linear-gradient(180deg,
        var(--color-white) 0%,
        rgba(240, 253, 250, 0.5) 50%,
        var(--color-white) 100%
    );
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(20, 184, 166, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(132, 204, 22, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.why-choose-us::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(20, 184, 166, 0.3) 50%,
        transparent 100%
    );
    z-index: 1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px rgba(10, 77, 108, 0.1);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(20, 184, 166, 0.3);
    box-shadow: 0 20px 50px rgba(10, 77, 108, 0.15);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-base);
}

.advantage-icon svg {
    position: relative;
    z-index: 2;
    transition: transform var(--transition-base);
}

.advantage-card:hover .advantage-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.advantage-icon.guarantee {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(20, 184, 166, 0.05));
    color: var(--color-primary-end);
}

.advantage-icon.support {
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.1), rgba(10, 77, 108, 0.05));
    color: var(--color-primary-start);
}

.advantage-icon.code {
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.1), rgba(132, 204, 22, 0.05));
    color: var(--color-accent);
}

.advantage-icon.agile {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(132, 204, 22, 0.05));
    color: #14B8A6;
}

.advantage-icon.pricing {
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.1), rgba(20, 184, 166, 0.05));
    color: #0A4D6C;
}

.advantage-icon.performance {
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.1), rgba(20, 184, 166, 0.05));
    color: #84CC16;
}

.advantage-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.advantage-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.advantage-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-features li {
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
    font-size: var(--fs-sm);
    line-height: 1.6;
}

.advantage-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary-end);
    font-weight: 700;
    font-size: var(--fs-lg);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding: var(--spacing-3xl);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.03), rgba(132, 204, 22, 0.03));
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-4xl);
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-align: center;
    min-width: 140px;
}

.badge-item svg {
    color: var(--color-primary-end);
    margin-bottom: var(--spacing-xs);
}

.badge-item span {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-dark);
}

/* CTA Bottom */
.cta-bottom {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    border-radius: var(--radius-xl);
    color: var(--color-white);
    box-shadow: 0 20px 50px rgba(10, 77, 108, 0.2);
    max-width: 800px;
    margin: 0 auto;
}

.cta-bottom h3 {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 800;
    color: var(--color-white);
}

.cta-bottom p {
    font-size: var(--fs-base);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-bottom .btn {
    background: var(--color-white);
    color: var(--color-primary-end);
    border-color: var(--color-white);
    font-size: var(--fs-base);
    padding: var(--spacing-sm) var(--spacing-xl);
}

.cta-bottom .btn:hover {
    background: var(--color-white);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ========================================
   SOLUTIONS WE BUILD SECTION
   ======================================== */

.solutions-we-build {
    background: linear-gradient(180deg, rgba(240, 253, 250, 0.5) 0%, rgba(255, 255, 255, 0.3) 100%);
    position: relative;
    overflow: hidden;
}

.solutions-we-build::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-primary-end) 20%, 
        var(--color-accent) 50%, 
        var(--color-primary-end) 80%, 
        transparent 100%);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
}

.solution-type-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(10, 77, 108, 0.08);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.solution-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.solution-type-card:hover {
    transform: translateY(-12px);
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(20, 184, 166, 0.4);
    box-shadow: 0 20px 60px rgba(10, 77, 108, 0.15);
}

.solution-type-card:hover::before {
    transform: scaleX(1);
}

.solution-type-icon {
    width: 90px;
    height: 90px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-base);
}

.solution-type-icon svg {
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.solution-type-card:hover .solution-type-icon {
    transform: scale(1.1) rotate(5deg);
}

.solution-type-card:hover .solution-type-icon svg {
    transform: scale(1.1);
}

/* Icon specific backgrounds */
.solution-type-icon.saas {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(20, 184, 166, 0.05));
}

.solution-type-icon.saas svg {
    stroke: var(--color-primary-end);
}

.solution-type-icon.internal {
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.15), rgba(10, 77, 108, 0.05));
}

.solution-type-icon.internal svg {
    stroke: var(--color-primary-start);
}

.solution-type-icon.ecommerce {
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.15), rgba(132, 204, 22, 0.05));
}

.solution-type-icon.ecommerce svg {
    stroke: var(--color-accent);
}

.solution-type-icon.mobile {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(132, 204, 22, 0.1));
}

.solution-type-icon.mobile svg {
    stroke: var(--color-primary-end);
}

.solution-type-icon.api {
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.2), rgba(20, 184, 166, 0.1));
}

.solution-type-icon.api svg {
    stroke: var(--color-primary-start);
}

.solution-type-icon.webapp {
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.2), rgba(20, 184, 166, 0.1));
}

.solution-type-icon.webapp svg {
    stroke: var(--color-accent);
}

.solution-type-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.solution-type-description {
    font-size: var(--fs-base);
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    flex-grow: 0;
}

.solution-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
    flex-grow: 1;
}

.solution-benefits li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    font-size: var(--fs-sm);
    line-height: 1.6;
    position: relative;
    padding-left: var(--spacing-md);
}

.solution-benefits li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary-end);
    font-weight: bold;
}

.solution-benefits strong {
    color: var(--color-dark);
    font-weight: 600;
}

.solution-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(10, 77, 108, 0.1);
}

.tech-badge {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(132, 204, 22, 0.05));
    color: var(--color-primary-start);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    border: 1px solid rgba(20, 184, 166, 0.2);
    transition: all var(--transition-base);
}

.solution-type-card:hover .tech-badge {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(132, 204, 22, 0.1));
    border-color: var(--color-primary-end);
}

/* Solutions CTA */
.solutions-cta {
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: 0 20px 60px rgba(10, 77, 108, 0.2);
    position: relative;
    overflow: hidden;
}

.solutions-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.solutions-cta-content {
    position: relative;
    z-index: 1;
}

.solutions-cta h3 {
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.solutions-cta p {
    font-size: var(--fs-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.solutions-cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.solutions-cta .btn-primary {
    background: var(--color-white);
    color: var(--color-primary-start);
    border-color: var(--color-white);
}

.solutions-cta .btn-primary:hover {
    background: var(--color-white);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.solutions-cta .btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.solutions-cta .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary-start);
}

/* Responsive */
@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .solution-type-card {
        padding: var(--spacing-xl);
    }
    
    .solution-type-icon {
        width: 70px;
        height: 70px;
    }
    
    .solution-type-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .solution-type-title {
        font-size: var(--fs-lg);
    }
    
    .solutions-cta {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .solutions-cta h3 {
        font-size: var(--fs-xl);
    }
    
    .solutions-cta p {
        font-size: var(--fs-base);
    }
    
    .solutions-cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .solutions-cta-buttons .btn {
        width: 100%;
    }
}

/* ========================================
   CASE STUDIES SECTION
   ======================================== */

.case-studies {
    background: var(--color-light);
    overflow: hidden;
}

.case-studies-grid {
    display: grid;
    gap: var(--spacing-3xl);
    width: 100%;
    max-width: 100%;
}

.case-study-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    align-items: center;
    transform-style: preserve-3d;
    will-change: transform;
}

.case-study-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.case-study-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.case-study-card:nth-child(even) .case-study-image {
    order: 2;
}

.case-study-image {
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-dark);
}

.case-study-image .image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-study-content {
    padding: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.case-study-title {
    font-size: var(--fs-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.case-study-description {
    font-size: var(--fs-base);
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.case-study-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.1), rgba(20, 184, 166, 0.1));
    color: var(--color-primary-start);
    font-size: var(--fs-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tech-tag {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.12), rgba(10, 77, 108, 0.12));
    border: 1px solid rgba(20, 184, 166, 0.25);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

.tech-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.18), rgba(10, 77, 108, 0.18));
}

.tech-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.case-study-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.result-item {
    text-align: center;
}

.result-item strong {
    display: block;
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--color-primary-end);
    margin-bottom: var(--spacing-xs);
}

.result-item span {
    font-size: var(--fs-sm);
    color: var(--color-gray);
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */

.testimonials {
    background: linear-gradient(180deg, #F0FDFA 0%, #FFFFFF 50%, #F0FDFA 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(20, 184, 166, 0.3) 50%,
        transparent 100%
    );
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    align-items: stretch;
}

.testimonial-card {
    background: linear-gradient(135deg, #F0FDFA 0%, #FFFFFF 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    transition: all var(--transition-slow);
    height: 100%;
    transform-style: preserve-3d;
    will-change: transform;
    border: 1px solid rgba(20, 184, 166, 0.1);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary-end), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(20, 184, 166, 0.2);
}

.testimonial-card:hover::before {
    opacity: 1;
}

.stars {
    color: #FCD34D;
    font-size: var(--fs-xl);
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(252, 211, 77, 0.3));
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: var(--fs-base);
    color: var(--color-gray);
    line-height: 1.8;
    font-style: italic;
    flex: 1;
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: auto;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--fs-base);
}

.author-name {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0;
}

.author-title {
    font-size: var(--fs-sm);
    color: var(--color-gray);
    margin-bottom: 0;
}

/* ========================================
   PROCESS SECTION
   ======================================== */

.process {
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end), var(--color-accent));
    opacity: 0.3;
    z-index: 0;
}

.process-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: 0;
    box-shadow: none;
    transition: all var(--transition-slow);
    position: relative;
    overflow: visible;
    border: 2px solid var(--color-gray-light);
    border-left: none;
    z-index: 1;
}

.process-card:first-child {
    border-left: 2px solid var(--color-gray-light);
    border-top-left-radius: var(--radius-2xl);
    border-bottom-left-radius: var(--radius-2xl);
}

.process-card:last-child {
    border-top-right-radius: var(--radius-2xl);
    border-bottom-right-radius: var(--radius-2xl);
}

.process-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-start), var(--color-primary-end), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.process-card::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background: var(--color-white);
    border: 3px solid var(--color-primary-end);
    border-radius: var(--radius-full);
    z-index: 2;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.process-card:last-child::after {
    display: none;
}

.process-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(10, 77, 108, 0.15);
    border-color: var(--color-primary-end);
    z-index: 10;
}

.process-card:hover::before {
    transform: scaleX(1);
}

.process-card:hover::after {
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    transform: translateY(-50%) scale(1.3);
}

.process-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
    transition: all var(--transition-base);
}

.process-card:hover .process-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(20, 184, 166, 0.4);
}

.process-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(10, 77, 108, 0.1), rgba(20, 184, 166, 0.1));
    color: var(--color-primary-end);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xl);
    font-weight: 800;
    font-family: var(--font-headings);
}

.process-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-headings);
}

.process-description {
    font-size: var(--fs-base);
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.process-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.process-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--fs-base);
    color: var(--color-gray-dark);
}

.check-icon {
    flex-shrink: 0;
    color: var(--color-primary-end);
}

/* ========================================
   FAQs SECTION
   ======================================== */

.faqs-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    transition: all var(--transition-base);
}

.faq-question:hover {
    color: var(--color-primary-end);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    font-size: var(--fs-base);
    color: var(--color-gray);
    line-height: 1.7;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    background: var(--color-light);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-xl);
}

.contact-option {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.whatsapp-priority {
    border: 3px solid var(--color-whatsapp);
}

.form-option {
    text-align: left;
    align-items: stretch;
}

.whatsapp-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--radius-full);
}

.whatsapp-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 12px rgba(37, 211, 102, 0.3));
    transition: transform var(--transition-base);
}

.whatsapp-priority:hover .whatsapp-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.contact-option h3 {
    font-size: var(--fs-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.contact-option p {
    font-size: var(--fs-base);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.contact-divider {
    text-align: center;
    position: relative;
    margin: var(--spacing-lg) 0;
}

.contact-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-light);
    z-index: 0;
}

.contact-divider span {
    position: relative;
    z-index: 1;
    background: var(--color-light);
    padding: 0 var(--spacing-md);
    color: var(--color-gray);
    font-weight: 600;
    font-size: var(--fs-sm);
}

/* Contact Form */
.contact-form {
    display: grid;
    gap: var(--spacing-lg);
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-dark);
}

.form-group label.required::after {
    content: ' *';
    color: var(--color-error);
    font-weight: 700;
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    color: var(--color-dark);
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    opacity: 0.4;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-end);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.15), 0 4px 12px rgba(20, 184, 166, 0.1);
    transform: translateY(-2px);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: var(--color-success);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
    animation: shake 0.4s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-feedback {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--fs-sm);
    font-weight: 500;
    padding-left: var(--spacing-xs);
}

.form-feedback.success {
    color: var(--color-success);
    display: block;
}

.form-feedback.error {
    color: var(--color-error);
    display: block;
}

.form-note {
    font-size: var(--fs-sm);
    color: var(--color-gray);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    align-items: start;
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: var(--fs-base);
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: linear-gradient(135deg, var(--color-primary-start), var(--color-primary-end));
    transform: translateY(-3px);
}

.footer-column ul {
    display: grid;
    gap: var(--spacing-sm);
}

.footer-column ul li a {
    font-size: var(--fs-base);
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer-column ul li a:hover {
    color: var(--color-primary-end);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    font-size: var(--fs-sm);
    color: var(--color-gray-light);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-legal a {
    font-size: var(--fs-sm);
    color: var(--color-gray-light);
}

.footer-legal a:hover {
    color: var(--color-primary-end);
}

/* ========================================
   WHATSAPP FLOATING WIDGET
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
    animation: none;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Large Desktop - 1440px+ (Pantallas grandes, monitores ultra-wide) */
@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4rem;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: var(--fs-4xl);
    }
    
    .problem-grid,
    .advantages-grid,
    .solutions-grid,
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .case-study-image {
        min-height: 450px;
    }
}

/* Desktop Standard - 1280px-1439px (Desktop estándar) */
@media (min-width: 1280px) and (max-width: 1439px) {
    .container {
        max-width: 1200px;
    }
}

/* Small Desktop - 1024px-1279px (Laptops pequeños) */
@media (min-width: 1024px) and (max-width: 1279px) {
    .container {
        max-width: 1024px;
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets Landscape - 820px-1023px (iPad Air, iPad Pro landscape) */
@media (min-width: 820px) and (max-width: 1023px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-xl);
    }
    
    .navbar {
        height: 75px;
    }
    
    .nav-wrapper {
        height: 75px;
    }
    
    .logo-image {
        height: 50px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.6rem;
    }
    
    .hero {
        padding-top: 75px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .problem-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid,
    .solutions-grid,
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0;
    }
    
    .case-study-card {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Mejorar touch targets en tablets */
    .btn {
        min-height: 50px;
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .nav-link {
        padding: var(--spacing-lg) 0;
        min-height: 48px;
    }
    
    /* Trust badges optimizados para tablets */
    .trust-badges {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
    }
    
    .badge-item {
        min-width: auto;
        padding: var(--spacing-md);
    }
}

/* Tablets Portrait - 768px-819px (iPad, iPad Mini portrait) */
@media (min-width: 768px) and (max-width: 819px) {
    .navbar {
        height: 72px;
    }
    
    .nav-wrapper {
        height: 72px;
    }
    
    .logo-image {
        height: 48px;
    }
    
    .hero {
        padding-top: 72px;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* Touch targets optimizados */
    .btn {
        min-height: 48px;
    }
    
    .faq-question {
        min-height: 56px;
    }
    
    /* Trust badges en 3 columnas para tablets portrait */
    .trust-badges {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
}

/* Tablet/Mobile Hybrid - 600px-767px (Dispositivos medianos) */
@media (min-width: 600px) and (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .navbar {
        height: 70px;
    }
    
    .nav-wrapper {
        height: 70px;
    }
    
    .logo-image {
        height: 46px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.5rem;
    }
    
    .hero {
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .trust-badges {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .badge-item {
        min-width: auto;
    }
}

/* Mobile Large - 414px-599px (iPhone Plus, grandes Android) */
@media (min-width: 414px) and (max-width: 599px) {
    .navbar {
        height: 68px;
    }
    
    .nav-wrapper {
        height: 68px;
    }
    
    .logo-image {
        height: 44px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.4rem;
    }
    
    .hero {
        padding-top: 68px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.25;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        font-size: var(--fs-base);
        padding: var(--spacing-md) var(--spacing-lg);
        white-space: normal;
        line-height: 1.4;
    }
    
    .hero-cta .btn {
        font-size: 0.95rem;
        min-height: 54px;
    }
}

/* Mobile Standard - 375px-413px (iPhone estándar, mayoria Android) */
@media (min-width: 375px) and (max-width: 413px) {
    .navbar {
        height: 65px;
    }
    
    .nav-wrapper {
        height: 65px;
    }
    
    .logo-image {
        height: 42px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.35rem;
    }
    
    .hero {
        padding-top: 65px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
}

/* Mobile Small - 360px-374px (Android pequeños) */
@media (min-width: 360px) and (max-width: 374px) {
    .navbar {
        height: 63px;
    }
    
    .nav-wrapper {
        height: 63px;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.3rem;
    }
    
    .hero {
        padding-top: 63px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-cta .btn {
        font-size: 0.85rem;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 50px;
        line-height: 1.3;
    }
}

/* Mobile Extra Small - 320px-359px (iPhone SE, dispositivos antiguos) */
@media (min-width: 320px) and (max-width: 359px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .navbar {
        height: 58px;
    }
    
    .nav-wrapper {
        height: 58px;
        gap: var(--spacing-sm);
    }
    
    .logo-image {
        height: 36px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.15rem;
    }
    
    .hero {
        padding-top: 58px;
    }
    
    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.875rem;
    }
    
    .stat-number {
        font-size: var(--fs-xl);
    }
    
    .btn {
        font-size: 0.8rem;
        padding: 10px 12px;
    }
    
    .hero-cta .btn {
        font-size: 0.8rem;
        padding: 10px 12px;
        min-height: 48px;
        line-height: 1.3;
        white-space: normal;
    }
    
    .hero-cta .btn .btn-icon {
        width: 16px;
        height: 16px;
        margin-right: 6px;
    }
    
    .section-title {
        font-size: var(--fs-xl);
    }
    
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 12px;
        right: 12px;
    }
    
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

/* Orientation: Landscape para móviles */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .navbar {
        height: 60px;
    }
    
    .nav-wrapper {
        height: 60px;
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }
}

/* Dispositivos plegables - Samsung Fold, Surface Duo */
@media (min-width: 540px) and (max-width: 720px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Original breakpoint 1024px - Mantener compatibilidad */
@media (max-width: 1024px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Hamburger menu desde tablets */
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-2xl);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-slow);
        z-index: 1001;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: var(--fs-lg);
        padding: var(--spacing-lg) 0;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        transition: all var(--transition-base);
    }
    
    .nav-link:hover,
    .nav-link:active {
        padding-left: var(--spacing-md);
        background: rgba(20, 184, 166, 0.05);
    }
    
    .hamburger {
        display: flex;
        z-index: 1002;
        touch-action: manipulation;
    }
    
    .hamburger span {
        transition: all var(--transition-base);
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    /* Ocultar botón desktop en mobile */
    .btn-nav-desktop {
        display: none !important;
    }
    
    /* Mostrar item de CTA en el menú */
    .nav-cta-item {
        display: block;
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    /* Mostrar botón mobile dentro del menú */
    .btn-nav-mobile {
        display: inline-flex !important;
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
        min-height: 48px;
        gap: var(--spacing-xs);
    }
    
    .btn-nav-mobile .btn-icon {
        width: 18px;
        height: 18px;
    }
    
    /* Mantener estilos del botón antiguo para compatibilidad */
    .btn-nav {
        display: inline-flex;
        margin-top: var(--spacing-lg);
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
        min-height: 48px;
        position: relative;
        z-index: 1;
    }
    
    .btn-nav .btn-icon {
        width: 18px;
        height: 18px;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .case-study-card,
    .case-study-card:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .case-study-card:nth-child(even) .case-study-image {
        order: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   ULTRA-WIDE DISPLAYS
   ======================================== */

/* Ultra-wide - 1920px+ (Monitores 21:9, 32:9) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4.5rem;
        line-height: 1.15;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .hero-content {
        max-width: 900px;
        margin: 0 auto;
    }
    
    .section-header {
        max-width: 800px;
        margin: 0 auto var(--spacing-4xl);
    }
    
    .problem-grid,
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-3xl);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .case-study-image {
        min-height: 500px;
    }
}

/* 4K Displays - 2560px+ */
@media (min-width: 2560px) {
    .container {
        max-width: 2000px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .section-title {
        font-size: 4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
        --spacing-4xl: 5rem;
    }
    
    /* Prevenir overflow horizontal */
    * {
        max-width: 100%;
    }
    
    body {
        overflow-x: hidden;
    }
    
    .container {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Navbar mobile mejorado */
    .navbar {
        height: 70px;
    }
    
    .nav-wrapper {
        height: 70px;
        gap: var(--spacing-md);
    }
    
    .logo-image {
        height: 45px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.4rem;
    }
    
    /* Secciones */
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-header {
        text-align: center;
    }
    
    .section-title {
        font-size: var(--fs-2xl);
        line-height: 1.2;
        text-align: center;
    }
    
    .section-subtitle {
        font-size: var(--fs-base);
        text-align: center;
    }
    
    /* Hero */
    .hero {
        padding-top: 70px;
        min-height: auto;
        padding-bottom: var(--spacing-4xl);
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-2xl);
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
        white-space: normal;
        text-align: center;
        line-height: 1.4;
        min-height: 54px;
    }
    
    .hero-cta .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }
    
    .hero-cta .btn .btn-icon {
        flex-shrink: 0;
        margin-right: var(--spacing-xs);
    }
    
    /* Textos responsivos de botones */
    .btn-text-long {
        display: none;
    }
    
    .btn-text-short {
        display: inline;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
        margin-top: var(--spacing-2xl);
    }
    
    .stat-item {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--fs-3xl);
        margin-bottom: var(--spacing-xs);
    }
    
    .stat-label {
        font-size: var(--fs-base);
    }
    
    /* Problem section */
    .problem-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .problem-card {
        padding: var(--spacing-2xl);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .problem-icon {
        margin-bottom: var(--spacing-lg);
    }
    
    .problem-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .problem-title {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .problem-description {
        font-size: var(--fs-base);
        line-height: 1.7;
        text-align: center;
    }
    
    /* Solution section */
    .solution-features {
        gap: var(--spacing-xl);
        margin: var(--spacing-2xl) 0;
    }
    
    .feature-item {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
        background: rgba(255, 255, 255, 0.5);
        border-radius: 16px;
        backdrop-filter: blur(10px);
    }
    
    .feature-icon {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .feature-content h4 {
        font-size: var(--fs-lg);
        margin-bottom: var(--spacing-xs);
    }
    
    .feature-content p {
        font-size: var(--fs-sm);
        line-height: 1.6;
    }
    
    .logo-container {
        max-width: 100%;
        padding: var(--spacing-2xl);
        margin-top: var(--spacing-2xl);
        text-align: center;
    }
    
    /* Advantages section - Por Qué Elegirnos */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .advantage-card {
        padding: var(--spacing-2xl);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: var(--spacing-lg);
        margin-left: auto;
        margin-right: auto;
    }
    
    .advantage-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .advantage-title {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .advantage-description {
        font-size: var(--fs-base);
        line-height: 1.7;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .advantage-features {
        margin-top: var(--spacing-md);
        text-align: center;
    }
    
    .advantage-features li {
        font-size: var(--fs-base);
        padding: var(--spacing-sm) 0;
        text-align: center;
    }
    
    /* Trust badges */
    .trust-badges {
        flex-wrap: wrap;
        gap: var(--spacing-md);
        padding: var(--spacing-xl) var(--spacing-lg);
        justify-content: center;
    }
    
    .badge-item {
        min-width: 150px;
        flex: 0 1 calc(50% - var(--spacing-xs));
        padding: var(--spacing-md);
    }
    
    .badge-item svg {
        width: 32px;
        height: 32px;
        margin-bottom: var(--spacing-xs);
    }
    
    .badge-item span {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    /* CTA Bottom */
    .cta-bottom {
        padding: var(--spacing-2xl) var(--spacing-lg);
        text-align: center;
    }
    
    .cta-bottom h3 {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }
    
    .cta-bottom p {
        font-size: var(--fs-sm);
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }

    .cta-bottom .btn {
        font-size: var(--fs-sm);
        padding: var(--spacing-md) var(--spacing-lg);
        width: 100%;
        margin: 0 auto;
    }
    
    /* Solutions We Build section */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .solution-type-card {
        padding: var(--spacing-2xl);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .solution-type-icon {
        width: 80px;
        height: 80px;
        margin-bottom: var(--spacing-lg);
        margin-left: auto;
        margin-right: auto;
    }
    
    .solution-type-icon svg {
        width: 44px;
        height: 44px;
    }
    
    .solution-type-title {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .solution-type-subtitle {
        font-size: var(--fs-sm);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .solution-type-description {
        font-size: var(--fs-base);
        line-height: 1.7;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .solution-benefits {
        margin: var(--spacing-lg) 0;
        text-align: center;
    }
    
    .solution-benefits li {
        font-size: var(--fs-base);
        padding: var(--spacing-xs) 0;
        text-align: center;
    }
    
    .tech-tags {
        justify-content: center;
    }
    
    .tech-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
        margin: 4px;
    }
    
    .solutions-cta {
        padding: var(--spacing-2xl) var(--spacing-lg);
        text-align: center;
    }
    
    .solutions-cta h3 {
        font-size: var(--fs-xl);
        text-align: center;
    }
    
    .solutions-cta p {
        font-size: var(--fs-base);
        text-align: center;
    }
    
    .solutions-cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .solutions-cta-buttons .btn {
        width: 100%;
    }
    
    /* Case studies */
    .case-studies-grid {
        gap: var(--spacing-2xl);
        padding: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .case-study-card {
        gap: 0;
        padding: 0;
        border-radius: var(--radius-xl);
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    .case-study-image {
        min-height: 200px;
        max-height: 220px;
        height: 220px;
        border-radius: 0;
        overflow: hidden;
    }
    
    .case-study-image .image-placeholder {
        width: 100%;
        height: 100%;
        min-height: 200px;
    }
    
    .case-study-image svg {
        width: 100%;
        height: 220px;
        max-height: 220px;
        object-fit: cover;
    }
    
    .case-study-content {
        padding: var(--spacing-2xl) var(--spacing-xl);
        text-align: center;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .case-study-title {
        font-size: 1.15rem;
        margin-bottom: var(--spacing-md);
        text-align: center;
        line-height: 1.4;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .case-study-description {
        font-size: 0.95rem;
        line-height: 1.7;
        text-align: center;
    }
    
    .case-study-tags {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
        margin: var(--spacing-lg) 0;
        justify-content: center;
        padding: 0 var(--spacing-sm);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .tag {
        font-size: 0.75rem;
        padding: 7px 12px;
        white-space: nowrap;
    }
    
    .tech-tag {
        padding: 7px 12px;
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    .tech-tag .tech-icon {
        width: 18px;
        height: 18px;
    }
    
    .case-study-results {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin: var(--spacing-xl) 0;
        padding: 0 var(--spacing-md);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .result-item {
        padding: var(--spacing-lg);
        text-align: center;
        background: rgba(20, 184, 166, 0.05);
        border-radius: var(--radius-lg);
    }
    
    .result-item strong {
        display: block;
        font-size: var(--fs-2xl);
        color: var(--color-primary);
        margin-bottom: var(--spacing-xs);
    }
    
    .result-item span {
        font-size: var(--fs-sm);
        color: var(--color-gray);
    }
    
    .case-study-content .btn {
        width: 100%;
        max-width: 100%;
        font-size: 0.85rem;
        padding: var(--spacing-md) var(--spacing-sm);
        white-space: normal;
        text-align: center;
        line-height: 1.4;
        min-height: 54px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
    }
    
    .case-study-content .btn-icon {
        flex-shrink: 0;
        margin-right: var(--spacing-xs);
    }
    
    .result-item strong {
        font-size: var(--fs-2xl);
        display: block;
        margin-bottom: var(--spacing-xs);
    }
    
    .result-item span {
        font-size: var(--fs-base);
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .testimonial-card {
        padding: var(--spacing-2xl);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .testimonial-rating {
        margin-bottom: var(--spacing-lg);
        justify-content: center;
    }
    
    .testimonial-text {
        font-size: var(--fs-base);
        line-height: 1.7;
        margin: var(--spacing-lg) 0;
        text-align: center;
    }
    
    .testimonial-author {
        margin-top: var(--spacing-lg);
        text-align: center;
    }
    
    .testimonial-name {
        font-size: var(--fs-lg);
        margin-bottom: var(--spacing-xs);
        text-align: center;
    }
    
    .testimonial-role {
        font-size: var(--fs-sm);
        text-align: center;
    }
    
    /* Process section */
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .process-card {
        padding: var(--spacing-lg);
        position: relative;
        min-width: 250px;
    }
    
    .process-number {
        font-size: var(--fs-3xl);
        margin-bottom: var(--spacing-md);
    }
    
    .process-icon {
        width: 70px;
        height: 70px;
        margin-bottom: var(--spacing-lg);
        margin-left: auto;
        margin-right: auto;
    }
    
    .process-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .process-title {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .process-description {
        font-size: var(--fs-base);
        line-height: 1.7;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .process-features {
        margin-top: var(--spacing-md);
        text-align: center;
    }
    
    .process-features li {
        font-size: var(--fs-base);
        padding: var(--spacing-xs) 0;
        text-align: center;
    }
    
    /* FAQs */
    .faq-item {
        margin-bottom: var(--spacing-md);
    }
    
    .faq-question {
        font-size: var(--fs-lg);
        padding: var(--spacing-lg);
        min-height: 64px;
        display: flex;
        align-items: center;
    }
    
    .faq-question-text {
        flex: 1;
        line-height: 1.5;
    }
    
    .faq-icon {
        flex-shrink: 0;
        margin-left: var(--spacing-md);
    }
    
    .faq-answer {
        padding: var(--spacing-lg);
        font-size: var(--fs-base);
        line-height: 1.7;
    }
    
    /* Contact section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-divider {
        display: none;
    }
    
    .contact-option {
        padding: var(--spacing-2xl);
        text-align: center;
    }
    
    .whatsapp-icon {
        margin-bottom: var(--spacing-lg);
    }
    
    .whatsapp-icon svg {
        width: 60px;
        height: 60px;
    }
    
    .contact-option h3 {
        font-size: var(--fs-2xl);
        margin-bottom: var(--spacing-md);
    }
    
    .contact-option p {
        font-size: var(--fs-base);
        line-height: 1.7;
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-option .btn {
        min-height: 56px;
        font-size: var(--fs-base);
        width: 100%;
        white-space: normal;
        text-align: center;
        line-height: 1.4;
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .contact-option .btn .btn-text-long {
        display: none;
    }
    
    .contact-option .btn .btn-text-short {
        display: inline;
    }
    
    .contact-form {
        padding: var(--spacing-2xl);
    }
    
    .contact-form .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .contact-form input,
    .contact-form textarea {
        min-height: 48px;
        font-size: var(--fs-base);
    }
    
    .contact-form textarea {
        min-height: 120px;
    }
    
    .contact-form .btn {
        width: 100%;
        min-height: 56px;
        font-size: var(--fs-base);
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-3xl) 0 var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
        text-align: center;
    }
    
    .footer-column {
        align-items: center;
    }
    
    .footer-column h4 {
        font-size: var(--fs-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-column ul {
        align-items: center;
    }
    
    .footer-column ul li {
        margin-bottom: var(--spacing-md);
    }
    
    .footer-column a {
        font-size: var(--fs-base);
        padding: var(--spacing-sm);
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    .footer-social {
        justify-content: center;
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }
    
    .footer-social a {
        width: 48px;
        height: 48px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
        margin-top: var(--spacing-3xl);
        padding-top: var(--spacing-xl);
    }
    
    .footer-bottom p {
        font-size: var(--fs-base);
    }
    
    /* WhatsApp float */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 64px;
        height: 64px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }
    
    .whatsapp-float svg {
        width: 32px;
        height: 32px;
    }
    
    /* Mejorar botones generales en mobile */
    .btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--fs-base);
        touch-action: manipulation;
        transition: all var(--transition-base);
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .btn-lg {
        min-height: 56px;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--fs-lg);
    }
    
    .btn .btn-icon {
        width: 20px;
        height: 20px;
    }
    
    /* Estados activos de botones para mejor feedback táctil */
    .btn-primary:active {
        box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
    }
    
    .btn-outline:active {
        background: rgba(20, 184, 166, 0.1);
    }
    
    /* Mejorar inputs y áreas de texto */
    input,
    textarea,
    select {
        font-size: 16px !important; /* Prevenir zoom en iOS */
    }
}

@media (max-width: 480px) {
    /* Prevenir overflow horizontal */
    * {
        max-width: 100%;
    }
    
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 var(--spacing-md);
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Typography adjustments */
    h1 { font-size: var(--fs-3xl); }
    h2 { font-size: var(--fs-2xl); }
    h3 { font-size: var(--fs-xl); }
    
    /* Mejorar section headers */
    .section-header {
        margin-bottom: var(--spacing-2xl);
        text-align: center;
    }
    
    .section-title {
        font-size: var(--fs-2xl);
        line-height: 1.3;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }
    
    .section-subtitle {
        font-size: var(--fs-base);
        line-height: 1.6;
        text-align: center;
    }
    
    /* Navbar ultra mobile */
    .navbar {
        height: 60px;
    }
    
    .nav-wrapper {
        height: 60px;
    }
    
    .logo-image {
        height: 38px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    /* Hero ultra mobile */
    .hero {
        padding-top: 60px;
        padding-bottom: var(--spacing-3xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.25;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        text-align: center;
    }
    
    .hero-cta {
        margin-top: var(--spacing-xl);
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        min-height: 50px;
        white-space: normal;
        line-height: 1.3;
    }
    
    .hero-cta .btn-lg {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .hero-stats {
        margin-top: var(--spacing-3xl);
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        padding: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: var(--fs-2xl);
    }
    
    .stat-label {
        font-size: var(--fs-sm);
    }
    
    /* Cards padding mejorado */
    .problem-card,
    .advantage-card {
        padding: var(--spacing-xl);
    }
    
    .solution-type-card {
        padding: var(--spacing-xl);
    }
    
    .testimonial-card,
    .process-card {
        padding: var(--spacing-xl);
    }
    
    /* Iconos con mejor tamaño */
    .problem-icon,
    .advantage-icon,
    .process-icon {
        width: 60px;
        height: 60px;
    }
    
    .solution-type-icon {
        width: 70px;
        height: 70px;
    }
    
    /* Botones optimizados */
    .btn {
        font-size: var(--fs-base);
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 48px;
    }
    
    .btn-lg {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--fs-base);
        min-height: 52px;
    }
    
    .btn .btn-icon {
        width: 18px;
        height: 18px;
    }
    
    /* Trust badges vertical en ultra-mobile */
    .trust-badges {
        padding: var(--spacing-lg) var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .badge-item {
        min-width: 100%;
        flex: 0 1 100%;
        padding: var(--spacing-md);
    }
    
    .badge-item svg {
        width: 28px;
        height: 28px;
    }
    
    .badge-item span {
        font-size: 0.8rem;
    }
    
    /* Case studies ultra mobile */
    .case-studies-grid {
        gap: var(--spacing-xl);
        width: 100%;
        max-width: 100%;
    }
    
    .case-study-card {
        width: 100%;
        max-width: 100%;
    }
    
    .case-study-image {
        min-height: 180px;
        max-height: 200px;
        height: 200px;
        width: 100%;
    }
    
    .case-study-image .image-placeholder {
        min-height: 180px;
        width: 100%;
    }
    
    .case-study-image svg {
        height: 200px;
        max-height: 200px;
        width: 100%;
    }
    
    .case-study-content {
        padding: var(--spacing-xl) var(--spacing-lg);
        width: 100%;
        max-width: 100%;
    }
    
    .case-study-title {
        font-size: 1.05rem;
        line-height: 1.35;
        width: 100%;
    }
    
    .case-study-description {
        font-size: 0.9rem;
        line-height: 1.6;
        width: 100%;
    }
    
    .case-study-tags {
        padding: 0 var(--spacing-xs);
        gap: 6px;
        width: 100%;
        max-width: 100%;
    }
    
    .case-study-results {
        width: 100%;
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }
    
    .result-item {
        padding: var(--spacing-md);
    }
    
    .result-item strong {
        font-size: var(--fs-xl);
    }
    
    .case-study-content .btn {
        font-size: 0.8rem;
        padding: var(--spacing-sm) var(--spacing-xs);
        min-height: 52px;
    }
    
    /* Forms mejorados */
    .form-group {
        margin-bottom: var(--spacing-lg);
    }
    
    .form-group label {
        font-size: var(--fs-base);
        margin-bottom: var(--spacing-sm);
        display: block;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 16px;
        padding: var(--spacing-md);
        min-height: 48px;
    }
    
    .form-group textarea {
        min-height: 120px;
    }
    
    /* Footer mejorado */
    .footer {
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }
    
    .footer-logo {
        width: 180px;
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-description {
        font-size: var(--fs-base);
        line-height: 1.6;
    }
    
    .footer-column h4 {
        font-size: var(--fs-lg);
        margin-bottom: var(--spacing-md);
    }
    
    .footer-column a {
        font-size: var(--fs-base);
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    .footer-social a {
        width: 44px;
        height: 44px;
    }
    
    .footer-bottom {
        margin-top: var(--spacing-2xl);
        padding-top: var(--spacing-xl);
    }
    
    /* Spacing adjustments */
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    /* WhatsApp float mejorado */
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 60px;
        height: 60px;
    }
    
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
    
    /* Nav-menu ajustado */
    .nav-menu.active {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .nav-link {
        font-size: var(--fs-base);
        padding: var(--spacing-md) 0;
    }
    
    .btn-nav {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
    }
    
    .btn-nav .btn-icon {
        width: 16px;
        height: 16px;
    }
}

/* ========================================
   ULTRA-WIDE DISPLAYS
   ======================================== */

/* Ultra-wide - 1920px+ (Monitores 21:9, 32:9) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4.5rem;
        line-height: 1.15;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .hero-content {
        max-width: 900px;
        margin: 0 auto;
    }
    
    .section-header {
        max-width: 800px;
        margin: 0 auto var(--spacing-4xl);
    }
    
    .problem-grid,
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-3xl);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .case-study-image {
        min-height: 500px;
    }
}

/* 4K Displays - 2560px+ */
@media (min-width: 2560px) {
    .container {
        max-width: 2000px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .section-title {
        font-size: 4rem;
    }
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */

/* Smooth scrolling mejorado */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
    
    /* Prevenir scroll horizontal */
    body {
        overflow-x: hidden;
    }
    
    /* Mejorar tap highlights */
    a, button {
        -webkit-tap-highlight-color: rgba(20, 184, 166, 0.2);
    }
    
    /* Optimizar animaciones en mobile */
    .fade-in,
    .fade-in-up,
    .slide-in-left,
    .slide-in-right {
        animation-duration: 0.4s;
    }
}

@media (max-width: 480px) {
    html {
        scroll-padding-top: 60px;
    }
}

/* ========================================
   DEVICE-SPECIFIC OPTIMIZATIONS
   ======================================== */

/* iPhone 14 Pro Max / Plus */
@media only screen 
  and (min-device-width: 428px) 
  and (max-device-width: 430px)
  and (-webkit-device-pixel-ratio: 3) {
    .hero-title {
        font-size: 2.125rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* iPhone 14 Pro / 13 Pro / 12 Pro */
@media only screen 
  and (min-device-width: 390px) 
  and (max-device-width: 393px)
  and (-webkit-device-pixel-ratio: 3) {
    .hero-title {
        font-size: 2rem;
    }
}

/* iPhone SE (2020 / 2022) */
@media only screen 
  and (device-width: 375px) 
  and (device-height: 667px)
  and (-webkit-device-pixel-ratio: 2) {
    .navbar {
        height: 65px;
    }
    
    .hero {
        padding-top: 65px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
}

/* iPad Pro 12.9" */
@media only screen 
  and (min-device-width: 1024px) 
  and (max-device-width: 1024px)
  and (orientation: portrait) {
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* iPad Pro 12.9" Landscape */
@media only screen 
  and (min-device-width: 1024px) 
  and (max-device-width: 1366px)
  and (orientation: landscape) {
    .problem-grid,
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* iPad Air / iPad Pro 11" */
@media only screen 
  and (min-device-width: 820px) 
  and (max-device-width: 834px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* iPad Mini */
@media only screen 
  and (min-device-width: 768px) 
  and (max-device-width: 768px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Samsung Galaxy Fold (Unfolded) */
@media only screen 
  and (min-device-width: 717px) 
  and (max-device-width: 884px) {
    .advantages-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Samsung Galaxy Fold (Folded) */
@media only screen 
  and (min-device-width: 280px) 
  and (max-device-width: 320px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .navbar {
        height: 56px;
    }
    
    .logo-image {
        height: 34px;
    }
    
    .brand-fluent,
    .brand-code {
        font-size: 1.1rem;
    }
    
    .hero-title {
        font-size: 1.375rem;
    }
    
    .section-title {
        font-size: var(--fs-lg);
    }
}

/* High pixel density displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-image,
    .whatsapp-icon svg,
    .advantage-icon svg {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ========================================
   DISPOSITIVOS ESPECÍFICOS - RESOLUCIONES EXACTAS
   ======================================== */

/* iPhone SE (375x667 @ 2x) - Portrait */
@media only screen 
  and (min-width: 375px) 
  and (max-width: 375px) 
  and (orientation: portrait) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.85rem; }
    .case-study-content { padding: 24px 16px; }
}

/* iPhone XR (414x896 @ 2x) - Portrait */
@media only screen 
  and (min-width: 414px) 
  and (max-width: 414px) 
  and (orientation: portrait) {
    .container { padding: 0 20px; }
    .hero-title { font-size: 2rem; }
}

/* iPhone 12 Pro (390x844 @ 3x) - Portrait */
@media only screen 
  and (min-width: 390px) 
  and (max-width: 390px) 
  and (orientation: portrait) {
    .container { padding: 0 20px; }
    .navbar { height: 68px; }
    .hero { padding-top: 68px; }
    .nav-menu { top: 68px; height: calc(100vh - 68px); }
}

/* iPhone 14 Pro Max (430x932 @ 3x) - Portrait */
@media only screen 
  and (min-width: 430px) 
  and (max-width: 430px) 
  and (orientation: portrait) {
    .container { padding: 0 24px; max-width: 100%; }
    .hero-title { font-size: 2.1rem; }
    .section-title { font-size: 1.8rem; }
}

/* Google Pixel 7 (412x915 @ 2.625x) - Portrait */
@media only screen 
  and (min-width: 412px) 
  and (max-width: 412px) 
  and (min-height: 900px) 
  and (orientation: portrait) {
    .container { padding: 0 20px; }
    .case-study-image { height: 210px; }
}

/* Samsung Galaxy S8+ (360x740 @ 4x) - Portrait */
@media only screen 
  and (min-width: 360px) 
  and (max-width: 360px) 
  and (max-height: 750px) 
  and (orientation: portrait) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.75rem; }
    .navbar { height: 63px; }
    .hero { padding-top: 63px; }
}

/* Samsung Galaxy S20 Ultra (412x915 @ 3.5x) - Portrait */
@media only screen 
  and (min-width: 412px) 
  and (max-width: 412px) 
  and (orientation: portrait) {
    .container { padding: 0 20px; }
    .hero-cta .btn { min-height: 52px; }
}

/* iPad Mini (768x1024 @ 2x) - Portrait */
@media only screen 
  and (min-width: 768px) 
  and (max-width: 768px) 
  and (orientation: portrait) {
    .container { padding: 0 32px; max-width: 720px; }
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .case-study-card { grid-template-columns: 1fr; }
    .case-study-image { height: auto; min-height: 300px; }
}

/* iPad Air (820x1180 @ 2x) - Portrait */
@media only screen 
  and (min-width: 820px) 
  and (max-width: 820px) 
  and (orientation: portrait) {
    .container { padding: 0 32px; max-width: 760px; }
    .hero-title { font-size: 2.75rem; }
    .case-study-card { grid-template-columns: 1fr; }
}

/* iPad Pro 11" (834x1194 @ 2x) - Portrait */
@media only screen 
  and (min-width: 834px) 
  and (max-width: 834px) 
  and (orientation: portrait) {
    .container { padding: 0 40px; max-width: 780px; }
    .hero-title { font-size: 2.8rem; }
}

/* Surface Pro 7 (912x1368) - Portrait */
@media only screen 
  and (min-width: 912px) 
  and (max-width: 912px) 
  and (orientation: portrait) {
    .container { max-width: 860px; padding: 0 40px; }
    .hero-title { font-size: 3rem; }
}

/* Surface Duo (540x720 unfolded) */
@media only screen 
  and (min-width: 540px) 
  and (max-width: 540px) {
    .container { padding: 0 20px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .advantages-grid { grid-template-columns: 1fr; }
}

/* Galaxy Z Fold 5 (884x2076 when folded) */
@media only screen 
  and (min-width: 884px) 
  and (max-width: 900px) 
  and (orientation: portrait) {
    .container { max-width: 840px; padding: 0 32px; }
    .case-study-card { grid-template-columns: 1fr; }
}

/* Asus Zenbook Fold (Panel mode: ~1920px width) */
@media only screen 
  and (min-width: 1920px) 
  and (orientation: portrait) {
    .container { max-width: 1200px; padding: 0 60px; }
}

/* Samsung Galaxy A51/A71 (412x914) */
@media only screen 
  and (min-width: 412px) 
  and (max-width: 412px) 
  and (min-height: 914px) 
  and (max-height: 914px) {
    .container { padding: 0 20px; }
}

/* Google Nest Hub (1024x600) - Landscape */
@media only screen 
  and (min-width: 1024px) 
  and (max-width: 1024px) 
  and (max-height: 600px) {
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .section { padding: 48px 0; }
    .hero { padding: 80px 0 48px; }
}

/* Google Nest Hub Max (1280x800) - Landscape */
@media only screen 
  and (min-width: 1280px) 
  and (max-width: 1280px) 
  and (max-height: 800px) {
    .container { max-width: 1140px; }
    .hero-title { font-size: 3.5rem; }
    .hero { padding: 100px 0 64px; }
}

/* Galaxy Fold folded (280px width) - Ultra narrow */
@media only screen 
  and (max-width: 280px) {
    * { max-width: 100%; }
    body { overflow-x: hidden; width: 100%; }
    .container { padding: 0 8px !important; max-width: 100% !important; }
    .navbar { height: 58px; }
    .nav-wrapper { height: 58px; padding: 0 8px; }
    .logo-image { height: 36px; }
    .brand-fluent, .brand-code { font-size: 1.1rem; }
    .hero { padding-top: 58px; }
    .hero-title { font-size: 1.5rem !important; line-height: 1.3; }
    .hero-subtitle { font-size: 0.875rem; }
    .btn { font-size: 0.75rem; padding: 12px 8px; min-height: 44px; }
    .case-study-card { margin: 0; }
    .case-study-content { padding: 20px 12px !important; }
    .case-study-title { font-size: 0.95rem !important; }
    .case-study-description { font-size: 0.8rem !important; }
    .case-study-image { height: 180px !important; }
    .tag { font-size: 0.65rem; padding: 4px 8px; }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary-end);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .whatsapp-float,
    .hero-cta,
    .contact {
        display: none;
    }
}