/* ============================================
   AptoCode - Estilos Principales
   Diseño: Linear / Vercel / Notion Style
   Autor: AptoCode Team
   Versión: 2.0
   ============================================ */

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================
   Variables CSS - Nueva Paleta Profesional
   ============================================ */
:root {
    /* Colores principales - Basados en el logo AptoCode */
    --primary-blue: #1e4493;
    --primary-blue-dark: #163470;
    --primary-blue-light: #2d5cb8;
    --primary-accent: #3b82f6;
    --primary-accent-dark: #2563eb;
    --primary-accent-light: #60a5fa;

    /* Legacy aliases para compatibilidad */
    --primary-indigo: var(--primary-blue);
    --primary-indigo-dark: var(--primary-blue-dark);
    --primary-indigo-light: var(--primary-blue-light);
    --primary-violet: var(--primary-accent);
    --primary-violet-dark: var(--primary-accent-dark);
    --primary-violet-light: var(--primary-accent-light);

    /* Grises pizarra */
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;

    /* Fondos */
    --bg-primary: #ffffff;
    --bg-secondary: var(--slate-50);
    --bg-dark: var(--slate-900);
    --bg-glass: rgba(255, 255, 255, 0.7);

    /* Texto */
    --text-primary: var(--slate-900);
    --text-secondary: var(--slate-600);
    --text-muted: var(--slate-400);
    --text-light: #ffffff;

    /* Bordes */
    --border-light: var(--slate-200);
    --border-medium: var(--slate-300);

    /* Sombras - Estilo difuso moderno */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px -10px rgba(30, 68, 147, 0.35);
    --shadow-glow-accent: 0 0 40px -10px rgba(59, 130, 246, 0.35);

    /* Gradientes - Nueva paleta azul */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-accent) 100%);
    --gradient-subtle: linear-gradient(135deg, var(--slate-50) 0%, #ffffff 50%, var(--slate-50) 100%);
    --gradient-hero: linear-gradient(135deg, #1e4493 0%, #2563eb 50%, #3b82f6 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, rgba(30, 68, 147, 0.08) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, rgba(59, 130, 246, 0.06) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, rgba(37, 99, 235, 0.05) 0px, transparent 50%);

    /* Bordes redondeados */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Blur */
    --blur-sm: 8px;
    --blur-md: 12px;
    --blur-lg: 20px;
}

/* ============================================
   Tipografía Global - DM Sans
   ============================================ */
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ============================================
   Container
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ============================================
   Header y Navegación
   ============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    z-index: 1000;
    transition: all var(--transition-slow);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: var(--space-md) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand .logo {
    height: 38px;
    width: auto;
    transition: transform var(--transition-base);
}

.nav-brand .logo:hover {
    transform: scale(1.02);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-2xl);
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Language Toggle Button */
.lang-toggle {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Menu movil toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--slate-100);
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

/* Estado activo del toggle */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section - Modernizado
   ============================================ */
.hero {
    padding: calc(var(--space-5xl) + 60px) 0 var(--space-5xl);
    background: var(--gradient-hero);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: var(--text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Efecto de mesh gradient */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
    pointer-events: none;
}

/* Partículas decorativas */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: float 6s ease-in-out infinite;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    line-height: 1.15;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    margin-bottom: var(--space-2xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.8;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Botones - Sistema completo
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--bg-primary);
    color: var(--primary-indigo);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-light);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(var(--blur-sm));
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.btn-flow {
    background: var(--gradient-primary);
    color: var(--text-light);
    width: 100%;
    margin-top: auto;
    box-shadow: var(--shadow-md);
}

.btn-flow:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
}

/* Live App Badge and Button */
.flow-card-live {
    border: 2px solid #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
}

.flow-live-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    letter-spacing: 1px;
    animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.btn-live {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.btn-live:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
}

.btn-whatsapp {
    background: #25D366;
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px -8px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    font-size: 1.25rem;
}

/* ============================================
   Secciones - Espaciado Premium
   ============================================ */
section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ============================================
   Servicios a Medida
   ============================================ */
.servicios-medida {
    background: var(--bg-secondary);
    background-image: var(--gradient-mesh);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.servicio-item {
    background: var(--bg-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.servicio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.servicio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.servicio-item:hover::before {
    transform: scaleX(1);
}

.servicio-icon {
    font-size: 2.75rem;
    margin-bottom: var(--space-lg);
    display: inline-block;
    padding: var(--space-md);
    background: var(--gradient-subtle);
    border-radius: var(--radius-xl);
}

.servicio-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.servicio-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* ============================================
   Flow Suite
   ============================================ */
.flow-suite {
    background: var(--bg-primary);
    position: relative;
}

.flow-suite::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: var(--gradient-mesh);
    opacity: 0.5;
    pointer-events: none;
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.flow-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    transition: all var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.flow-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    padding: 1px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.flow-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.flow-card:hover::after {
    opacity: 1;
}

.flow-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--gradient-subtle);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base);
}

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

.flow-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.flow-category {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary-indigo);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
}

.flow-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    flex-grow: 1;
    font-size: 0.9375rem;
}

/* ============================================
   Proceso
   ============================================ */
.proceso {
    background: var(--bg-secondary);
    background-image: var(--gradient-mesh);
}

.proceso-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.proceso-step {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-smooth);
}

.proceso-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transition: transform var(--transition-base);
}

.proceso-step:hover .step-number {
    transform: scale(1.1);
}

.proceso-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.proceso-step p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* ============================================
   Casos Reales
   ============================================ */
.casos-reales {
    background: var(--bg-primary);
}

.casos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.caso-card {
    background: var(--bg-secondary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    border-left: 4px solid var(--primary-indigo);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.caso-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.caso-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-left-color: transparent;
}

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

.caso-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.caso-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.caso-tech {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-indigo);
    padding: var(--space-sm) var(--space-md);
    background: rgba(30, 68, 147, 0.08);
    border-radius: var(--radius-md);
    display: inline-block;
}

/* ============================================
   Contacto
   ============================================ */
.contacto {
    background: var(--bg-secondary);
    background-image: var(--gradient-mesh);
}

.contacto-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.contacto-form {
    background: var(--bg-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: var(--border-medium);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-indigo);
    box-shadow: 0 0 0 3px rgba(30, 68, 147, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.contacto-form .btn-primary {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 1rem 2rem;
    font-size: 1rem;
}

.contacto-form .btn-primary:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.contacto-whatsapp {
    background: var(--bg-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contacto-whatsapp h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.contacto-whatsapp p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.contacto-direccion {
    background: var(--bg-primary);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contacto-direccion h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.contacto-direccion p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
}

.footer-links {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--slate-400);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-light);
    transition: width var(--transition-base);
}

.footer-links a:hover {
    color: var(--text-light);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer p {
    color: var(--slate-500);
    font-size: 0.875rem;
}

/* ============================================
   Modal para Flow Suite
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    max-width: 500px;
    width: 100%;
    padding: var(--space-2xl);
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-smooth);
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 36px;
    height: 36px;
    border: none;
    background: var(--slate-100);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--slate-200);
    color: var(--text-primary);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    display: block;
}

.modal-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.modal-content .flow-category {
    margin-bottom: var(--space-lg);
}

.modal-content p {
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.modal-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.modal-features li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.modal-features li::before {
    content: '✓';
    color: var(--primary-indigo);
    font-weight: 700;
}

/* ============================================
   Responsive - Mobile First
   ============================================ */
@media (max-width: 768px) {
    /* Menú móvil activo con blur */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--bg-glass);
        backdrop-filter: blur(var(--blur-lg));
        -webkit-backdrop-filter: blur(var(--blur-lg));
        flex-direction: column;
        padding: calc(var(--space-5xl) + 20px) var(--space-xl) var(--space-xl);
        gap: var(--space-lg);
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-smooth);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        border-left: 1px solid var(--border-light);
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        font-size: 1.125rem;
        padding: var(--space-sm) 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero {
        padding: calc(var(--space-4xl) + 60px) 0 var(--space-4xl);
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
    }

    section {
        padding: var(--space-4xl) 0;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .servicios-grid,
    .flow-grid,
    .proceso-steps,
    .casos-grid {
        grid-template-columns: 1fr;
    }

    .contacto-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .container {
        padding: 0 var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.625rem;
    }

    .flow-icon,
    .servicio-icon {
        font-size: 2.25rem;
    }

    .servicio-item,
    .flow-card,
    .proceso-step,
    .contacto-form,
    .contacto-whatsapp,
    .contacto-direccion {
        padding: var(--space-xl);
    }

    .modal-content {
        padding: var(--space-xl);
        margin: var(--space-md);
    }
}

/* ============================================
   Animaciones de entrada
   ============================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays para animaciones en cascada */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }

/* ============================================
   Utilidades
   ============================================ */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Sección Clientes / Casos de Éxito
   ============================================ */
.clientes-section {
    padding: var(--space-5xl) 0;
    background: var(--bg-secondary);
    background-image: var(--gradient-mesh);
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.cliente-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.cliente-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.cliente-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--slate-100);
    cursor: pointer;
}

.cliente-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform var(--transition-smooth);
}

.cliente-card:hover .cliente-image img {
    transform: scale(1.02);
}

.cliente-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 10;
}

.cliente-card:hover .cliente-overlay {
    opacity: 1;
    pointer-events: auto;
}

.btn-ver-proyecto {
    padding: 0.875rem 1.75rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 20;
}

.btn-ver-proyecto:hover {
    background: var(--primary-blue);
    color: var(--text-light);
    transform: scale(1.05);
}

.cliente-info {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.cliente-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.cliente-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.cliente-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 0.875rem;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cliente-info > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.cliente-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.cliente-tech span {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.625rem;
    background: rgba(30, 68, 147, 0.08);
    color: var(--primary-blue);
    border-radius: var(--radius-md);
}

.cliente-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: gap var(--transition-fast);
}

.cliente-link:hover {
    gap: var(--space-sm);
}

.clientes-cta {
    margin-top: var(--space-4xl);
    text-align: center;
}

.clientes-valor {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xl);
}

/* ============================================
   Gallery Modal
   ============================================ */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.gallery-modal-content {
    width: 95%;
    max-width: 1200px;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.gallery-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.gallery-close:hover {
    opacity: 1;
}

.gallery-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.gallery-header h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.gallery-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-grow: 1;
    min-height: 0;
}

.gallery-nav {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    flex-shrink: 0;
}

.gallery-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.gallery-image-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    max-height: 70vh;
    padding: 0 var(--space-md);
}

.gallery-image-wrapper img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    background: var(--slate-800);
    transition: opacity 0.2s ease;
}

.gallery-counter {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin: var(--space-lg) 0;
}

.gallery-thumbnails {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    max-height: 80px;
    overflow-y: auto;
}

.gallery-thumb {
    width: 80px;
    height: 50px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.gallery-thumb:hover {
    opacity: 0.8;
}

.gallery-thumb.active {
    opacity: 1;
    border-color: var(--primary-accent);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Responsive Clientes */
@media (max-width: 768px) {
    .clientes-grid {
        grid-template-columns: 1fr;
    }

    .cliente-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .clientes-valor {
        font-size: 1.375rem;
    }

    .gallery-nav {
        padding: 0.75rem 1rem;
        font-size: 1.25rem;
    }

    .gallery-thumbnails {
        display: none;
    }

    .gallery-close {
        top: -40px;
        font-size: 2rem;
    }
}