/* ===========================
   ENLACE OSC - Styles
   Modern Institutional Design
   =========================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #0f3460;
    --color-primary-light: #1a4a7a;
    --color-primary-dark: #0a2442;
    --color-accent: #16a8a0;
    --color-accent-light: #1fc2b8;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Semantic */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(15, 52, 96, 0.95) 0%, rgba(10, 36, 66, 0.98) 100%);
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --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;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(22, 168, 160, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    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;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-gray-900);
}

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

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-gray-200);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-whatsapp {
    background: #25d366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.navbar.scrolled .nav-logo {
    color: var(--color-gray-900);
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
}

.logo-highlight {
    color: var(--color-accent);
}

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar.scrolled .nav-link {
    color: var(--color-gray-600);
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

.nav-cta {
    background: var(--gradient-accent);
    color: var(--color-white) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
}

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

.nav-cta:hover {
    transform: scale(1.05);
}

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

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

.navbar.scrolled .nav-toggle span {
    background: var(--color-gray-900);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-4xl) var(--container-padding);
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(22, 168, 160, 0.2);
    color: var(--color-accent-light);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
}

.trust-badge svg {
    color: var(--color-accent);
}

/* Floating Cards */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.floating-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.floating-card .card-label {
    padding: var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.card-1 {
    top: 0;
    right: 0;
    width: 260px;
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    left: 0;
    width: 240px;
    transform: translateY(-50%);
    animation: float2 7s ease-in-out infinite;
}

.card-3 {
    bottom: 0;
    right: 10%;
    width: 220px;
    animation: float3 8s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-20px) rotate(-2deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(-50%) rotate(-2deg); }
    50% { transform: translateY(calc(-50% + 15px)) rotate(2deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-25px) rotate(1deg); }
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

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

/* ===========================
   ABOUT SECTION
   =========================== */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

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

.image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.stat {
    text-align: center;
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    color: var(--color-gray-800);
}

.feature-text span {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

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

.service-card.featured {
    grid-column: span 1;
    border: 2px solid var(--color-accent);
}

.service-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

.service-image {
    height: 200px;
    overflow: hidden;
}

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

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

.service-content {
    padding: var(--space-xl);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--color-gray-900);
}

.service-description {
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.service-price {
    background: var(--color-off-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.price-current {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.price-current .currency {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.price-current .amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-heading);
}

.price-original {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.price-original span:first-child {
    text-decoration: line-through;
}

.discount {
    background: var(--color-error);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.service-features {
    margin-bottom: var(--space-lg);
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.service-features li svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.service-features.compact li {
    padding: var(--space-xs) 0;
}

/* ===========================
   KNOWLEDGE SECTION
   =========================== */
.knowledge {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-900);
}

.knowledge .section-tag,
.knowledge .section-title,
.knowledge .section-subtitle {
    color: var(--color-white);
}

.knowledge .section-subtitle {
    color: var(--color-gray-400);
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.knowledge-card {
    background: var(--color-gray-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.knowledge-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.knowledge-image {
    height: 160px;
    overflow: hidden;
}

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

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

.knowledge-content {
    padding: var(--space-lg);
}

.knowledge-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.knowledge-content h3 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.knowledge-content p {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.knowledge-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 500;
    transition: gap var(--transition-fast);
}

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

/* ===========================
   PROCESS SECTION
   =========================== */
.process {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-xl);
    align-items: center;
    padding: var(--space-xl) 0;
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-gray-200);
    line-height: 1;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--color-gray-900);
}

.step-content p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: var(--radius-xl);
}

.process-connector {
    height: 2px;
    background: linear-gradient(90deg, var(--color-gray-200), var(--color-accent), var(--color-gray-200));
    margin: 0 auto;
    width: 60%;
}

/* ===========================
   WHY US SECTION
   =========================== */
.why-us {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.why-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-off-white);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.why-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.why-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    margin: 0 auto var(--space-lg);
}

.why-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--color-gray-900);
}

.why-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}

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

.testimonial-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-lg);
    color: #fbbf24;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-gray-600);
    font-style: italic;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-author img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info strong {
    display: block;
    color: var(--color-gray-900);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    background: var(--color-gray-100);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-text strong {
    display: block;
    color: var(--color-gray-800);
}

.contact-text span {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.contact-social {
    display: flex;
    gap: var(--space-md);
}

.contact-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-off-white);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
    padding: var(--space-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color var(--transition-fast);
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.form-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--color-gray-900);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer-brand p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-800);
}

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

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

.footer-social a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--color-accent);
}

/* ===========================
   WHATSAPP FLOAT
   =========================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-base);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ===========================
   ANIMATIONS
   =========================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-subtitle,
    .hero-badges {
        max-width: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-features {
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem var(--space-xl) var(--space-xl);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--color-gray-700);
        font-size: 1.125rem;
        padding: var(--space-sm) 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-badges {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .trust-badge {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .process-step {
        grid-template-columns: auto 1fr;
        gap: var(--space-md);
    }
    
    .step-icon {
        display: none;
    }
    
    .why-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 56px;
        height: 56px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-price .amount {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .whatsapp-float,
    #particles-canvas {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
    
    .hero-overlay {
        display: none;
    }
    
    .hero-title,
    .hero-subtitle {
        color: var(--color-gray-900);
    }
}