/* ===================================
   CSS Variables & Root
   =================================== */
:root {
    /* Colors */
    --color-primary: #008aab;
    --color-primary-dark: #006b87;
    --color-primary-light: #00a5c9;
    --color-secondary: #004d71;
    --color-accent: #00b4d8;
    --color-dark: #0a1628;
    --color-dark-light: #1a2a44;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Montserrat', 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 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-primary: 0 10px 40px rgba(0, 138, 171, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.nav-open {
    overflow: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    font-size: inherit;
}

/* ===================================
   Container & Grid
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-2xl);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(0, 138, 171, 0.4);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: var(--spacing-md) var(--spacing-2xl);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: var(--spacing-md) var(--spacing-2xl);
}

.btn-outline-white:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
    padding: var(--spacing-md) var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: 1.1rem;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

/* ===================================
   Section Badges & Titles
   =================================== */
.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 138, 171, 0.1) 0%, rgba(0, 180, 216, 0.1) 100%);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 138, 171, 0.2);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.section-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 700px;
    line-height: 1.8;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Navbar
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: var(--spacing-lg) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-sm) 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    z-index: var(--z-fixed);
}

.nav-logo img {
    height: 48px;
    width: auto;
    transition: opacity var(--transition-base);
}

/* Show correct logo based on navbar state */
/* Default (dark background): show the regular logo */
.navbar:not(.scrolled) .logo-default {
    display: block;
}

.navbar:not(.scrolled) .logo-scrolled {
    display: none;
}

/* Scrolled (light background): show the light logo */
.navbar.scrolled .logo-default {
    display: none;
}

.navbar.scrolled .logo-scrolled {
    display: block;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    z-index: var(--z-fixed);
}

.hamburger {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.navbar:not(.scrolled) .hamburger {
    background: var(--color-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--color-dark);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.navbar:not(.scrolled) .nav-link {
    color: var(--color-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: width var(--transition-base);
}

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

.nav-link.active {
    color: var(--color-primary);
}

.navbar:not(.scrolled) .nav-link.active {
    color: var(--color-accent);
}

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-primary);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 138, 171, 0.4);
}

.nav-cta::after {
    display: none;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 50%, var(--color-primary) 100%);
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 138, 171, 0.3) 0%, rgba(0, 77, 113, 0.5) 50%, rgba(10, 22, 40, 0.8) 100%);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    padding-top: var(--spacing-4xl);
}

.hero-text {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 180, 216, 0.15);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-2xl);
    border: 1px solid rgba(0, 180, 216, 0.3);
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: var(--spacing-3xl);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-4xl);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

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

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    text-align: center;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 13px;
    position: relative;
    margin: 0 auto;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease infinite;
}

/* ===================================
   Nosotros Section
   =================================== */
.nosotros {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.nosotros-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.nosotros-content .section-badge {
    margin-bottom: var(--spacing-md);
}

.nosotros-content .section-title {
    margin-bottom: var(--spacing-xl);
}

.nosotros-content .section-text {
    margin-bottom: var(--spacing-2xl);
}

.nosotros-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: linear-gradient(135deg, rgba(0, 138, 171, 0.1) 0%, rgba(0, 180, 216, 0.1) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.feature-content h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.nosotros-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.experience-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.experience-text {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   Servicios Section
   =================================== */
.servicios {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-header .section-badge {
    margin-bottom: var(--spacing-md);
}

.section-header .section-title {
    margin-bottom: var(--spacing-md);
}

.section-header .section-text {
    margin: 0 auto;
}

/* Servicio Section (Alternating) */
.servicio-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    margin-bottom: var(--spacing-4xl);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-gray-200);
}

.servicio-section:first-of-type {
    border-top: none;
    padding-top: 0;
}

.servicio-section:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.servicio-section--reverse {
    direction: rtl;
}

.servicio-section--reverse > * {
    direction: ltr;
}

.servicio-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.servicio-image-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.servicio-image-wrapper:hover img {
    transform: scale(1.05);
}

.servicio-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 138, 171, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.servicio-content {
    padding: var(--spacing-xl) 0;
}

.servicio-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-primary);
}

.servicio-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(0, 138, 171, 0.15) 0%, rgba(0, 180, 216, 0.15) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.servicio-content h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.servicio-text {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.servicio-list {
    margin-bottom: var(--spacing-2xl);
}

.servicio-list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
    color: var(--color-gray-700);
}

.servicio-list-item i {
    color: var(--color-primary);
    font-size: 1.125rem;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    position: relative;
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 138, 171, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

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

/* ===================================
   Contacto Section
   =================================== */
.contacto {
    padding: var(--spacing-4xl) 0;
    background: var(--color-white);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contacto-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.contacto-card:hover {
    background: var(--color-white);
    border-color: rgba(0, 138, 171, 0.2);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.contacto-card-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
}

.contacto-card-content h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contacto-card-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.contacto-card-content a {
    color: var(--color-primary);
    font-weight: 500;
}

.contacto-card-content a:hover {
    color: var(--color-primary-dark);
}

.contacto-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-white);
}

.contacto-map iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
}

.footer-logo-img {
    height: 48px;
    width: auto;
    margin-bottom: var(--spacing-lg);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

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

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-base);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md) !important;
}

.footer-contact li i {
    color: var(--color-accent);
    width: 20px;
}

.footer-bottom {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-primary);
    z-index: var(--z-tooltip);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 138, 171, 0.4);
}

/* ===================================
   Animations
   =================================== */
[data-animate] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

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

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

@keyframes scrollWheel {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(12px);
    }
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .nosotros-grid {
        gap: var(--spacing-3xl);
    }
    
    .servicio-section {
        gap: var(--spacing-2xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-col:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xl);
        padding: var(--spacing-2xl);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-2xl);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--color-dark) !important;
        font-size: 1.125rem;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    }
    
    .hero-stats {
        gap: var(--spacing-xl);
    }
    
    .hero-scroll-indicator {
        display: none;
    }
    
    .nosotros-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .nosotros-image {
        order: -1;
    }
    
    .image-wrapper img {
        height: 300px;
    }
    
    .servicio-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .servicio-section--reverse {
        direction: ltr;
    }
    
    .servicio-image-wrapper img {
        height: 280px;
    }
    
    .contacto-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }
    
    .contacto-map iframe {
        height: 300px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-col:first-child {
        grid-column: auto;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .experience-badge {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .experience-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        width: 100%;
        padding: var(--spacing-lg);
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-lg);
    }
    
    .servicio-content h3 {
        font-size: 1.375rem;
    }
    
    .servicio-badge {
        font-size: 2.5rem;
    }
    
    .back-to-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 42px;
        height: 42px;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .navbar,
    .hero-scroll-indicator,
    .back-to-top,
    .cta-section {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .hero {
        min-height: auto;
        background: none;
        padding: 2rem 0;
    }
    
    .hero-title,
    .section-title,
    .cta-content h2 {
        color: #000;
    }
}