/**
 * ProAdmin Landing Page - Estilos
 * 
 * Tema: Oscuro profesional con acentos azul/cyan
 * Tipografía: System fonts stack (rendimiento)
 * Layout: Full-width sections, responsive
 */

/* =====================================================
   0. VARIABLES CSS
   ===================================================== */
:root {
    /* Colores principales */
    --color-bg-dark: #0a0f1c;
    --color-bg-section: #0d1324;
    --color-bg-card: #131a2e;
    --color-bg-card-hover: #1a2340;
    --color-bg-input: #151d35;
    
    /* Acentos */
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-light: rgba(59, 130, 246, 0.12);
    --color-accent: #06b6d4;
    --color-accent-light: rgba(6, 182, 212, 0.12);
    --color-success: #22c55e;
    --color-error: #ef4444;
    
    /* Texto */
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-heading: #f1f5f9;
    --color-text-link: #60a5fa;
    
    /* Bordes */
    --color-border: rgba(148, 163, 184, 0.12);
    --color-border-focus: var(--color-primary);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-hero: linear-gradient(135deg, #050a18 0%, #0c1225 40%, #0a1628 100%);
    --gradient-card: linear-gradient(145deg, #131a2e 0%, #1a2340 100%);
    --gradient-featured: linear-gradient(145deg, #0f1a35 0%, #162040 100%);
    
    /* Tipografía */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Espaciado */
    --section-padding: 100px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
    
    /* Bordes redondeados */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}


/* =====================================================
   1. RESET / BASE
   ===================================================== */
.landing-page,
.landing-page * {
    box-sizing: border-box;
}

.landing-page {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.landing-page h1,
.landing-page h2,
.landing-page h3,
.landing-page h4,
.landing-page h5,
.landing-page h6 {
    font-family: var(--font-heading);
    color: var(--color-text-heading);
    line-height: 1.3;
    margin: 0 0 0.5em;
    font-weight: 700;
}

.landing-page img {
    max-width: 100%;
    height: auto;
}

.landing-page a {
    color: var(--color-text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.landing-page a:hover {
    color: var(--color-primary);
}

.landing-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Ocultar elementos del tema padre que no necesitamos */
.landing-page .main-contain,
.landing-page .main-contain > .container,
.landing-page #content {
    display: none !important;
}

.landing-page .landing-main {
    display: block !important;
}


/* =====================================================
   2. HEADER / NAVEGACIÓN
   ===================================================== */
.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: all var(--transition-base);
}

.landing-header.header-scrolled {
    background: rgba(10, 15, 28, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo-pro {
    color: var(--color-text-heading);
    font-weight: 800;
}

.logo-admin {
    color: var(--color-primary);
    font-weight: 300;
    margin-left: 2px;
    opacity: 0.8;
}

/* Navegación Desktop */
.landing-nav {
    display: flex;
    align-items: center;
}

.landing-menu-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.landing-menu-list li {
    margin: 0;
}

.landing-menu-list a {
    display: inline-block;
    padding: 8px 18px;
    color: var(--color-text-muted);
    font-size: 0.925rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.landing-menu-list a:hover,
.landing-menu-list a.is-active {
    color: var(--color-text-heading);
    background: var(--color-primary-light);
}

.landing-menu-list a.btn-nav-cta {
    background: var(--gradient-primary);
    color: #fff;
    padding: 8px 22px;
    border-radius: var(--radius-xl);
    font-weight: 600;
}

.landing-menu-list a.btn-nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Botón hamburguesa */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-heading);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Menú Móvil Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 28, 0.97);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    text-align: center;
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--color-text-heading);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 8px;
}

.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-list li {
    margin: 12px 0;
}

.mobile-menu-list a {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 12px 24px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-menu-list a:hover {
    color: var(--color-primary);
}


/* =====================================================
   3. BOTONES GLOBALES
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.4;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-text-heading);
    border-color: var(--color-border);
}

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

.btn-sm {
    padding: 10px 22px;
    font-size: 0.875rem;
}


/* =====================================================
   4. SECCIÓN: HERO
   ===================================================== */
.section-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 800px;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 640px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text-heading);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 6px;
}

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(59, 130, 246, 0.08);
}

.deco-circle-1 {
    width: 500px;
    height: 500px;
    top: -100px;
    right: -150px;
    animation: float-slow 20s ease-in-out infinite;
}

.deco-circle-2 {
    width: 300px;
    height: 300px;
    bottom: 50px;
    right: 100px;
    border-color: rgba(6, 182, 212, 0.06);
    animation: float-slow 15s ease-in-out infinite reverse;
}

.deco-grid {
    position: absolute;
    top: 50%;
    right: 0;
    width: 40%;
    height: 60%;
    transform: translateY(-50%);
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, 20px); }
}


/* =====================================================
   5. SECCIONES: BASE
   ===================================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 5px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.75;
}


/* =====================================================
   6. SECCIÓN: SERVICIOS
   ===================================================== */
.section-services {
    padding: var(--section-padding);
    background: var(--color-bg-section);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

/* Featured service card ("Más solicitado") */
.service-card--featured {
    background: var(--gradient-featured);
    border-color: rgba(59, 130, 246, 0.18);
    position: relative;
}

.service-card--featured::before {
    opacity: 1;
}

.service-badge-featured {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 18px;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.service-features li {
    position: relative;
    padding-left: 22px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    line-height: 1.5;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: 10px;
    color: var(--color-accent);
}


/* =====================================================
   7. SECCIÓN: CARACTERÍSTICAS
   ===================================================== */
.section-features {
    padding: var(--section-padding);
    background: var(--color-bg-dark);
}

.features-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 18px;
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--transition-base);
}

.feature-item:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border);
}

.feature-icon-sm {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.feature-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Highlight Card (Flujo de trabajo) */
.highlight-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    position: sticky;
    top: 100px;
}

.highlight-header {
    margin-bottom: 28px;
}

.highlight-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.highlight-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 800;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.step-info h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text-heading);
}

.step-info p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}


/* =====================================================
   8. SECCIÓN: CONTACTO
   ===================================================== */
.section-contact {
    padding: var(--section-padding);
    background: var(--color-bg-section);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
}

/* Formulario */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group .required {
    color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-heading);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--color-bg-dark);
    color: var(--color-text);
}

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

/* Error state */
.form-group.has-error input,
.form-group.has-error textarea {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-actions {
    margin-top: 8px;
}

.btn-submit {
    min-width: 200px;
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    animation: spin 1s linear infinite;
}

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

/* Respuesta del formulario */
.form-response {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.925rem;
    font-weight: 500;
    margin-top: 8px;
}

.form-response--success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

.form-response--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

/* Info de contacto */
.info-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 28px;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.info-item strong {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.info-item a,
.info-item span {
    font-size: 0.95rem;
    color: var(--color-text);
}

.info-item a:hover {
    color: var(--color-primary);
}

.info-cta {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.info-cta p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 14px;
}


/* =====================================================
   9. FOOTER
   ===================================================== */
.landing-footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 14px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--color-text-heading);
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-contact li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-contact a {
    color: var(--color-text-muted);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}


/* =====================================================
   10. ANIMACIONES ON-SCROLL
   ===================================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger para tarjetas de servicios */
.service-card.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.service-card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.service-card.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.service-card.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

.feature-item.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.feature-item.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.feature-item.animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.feature-item.animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }


/* =====================================================
   11. RESPONSIVE
   ===================================================== */

/* Tablet: <= 1024px */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-layout {
        grid-template-columns: 1fr;
    }
    
    .highlight-card {
        position: static;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* Mobile: <= 768px */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 16px;
    }
    
    /* Header */
    .landing-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero */
    .section-hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    .deco-grid,
    .deco-circle {
        display: none;
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .footer-tagline {
        max-width: 100%;
    }
}

/* Small mobile: <= 480px */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card {
        padding: 24px;
    }
    
    .info-card {
        padding: 24px;
    }
    
    .highlight-card {
        padding: 24px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.925rem;
    }
}