:root {
    /* Primary Colors - Ocean Theme */
    --primary: #0a2463;
    --primary-dark: #071a47;
    --primary-light: #1e3a8a;
    --secondary: #3e92cc;
    --accent: #d8315b;
    --gold: #ffd700;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --dark: #1a1a2e;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Theme Variants */
[data-theme="navy"] {
    --primary: #001f3f;
    --primary-dark: #001529;
    --secondary: #0074D9;
}

[data-theme="teal"] {
    --primary: #006d77;
    --primary-dark: #004d56;
    --secondary: #83c5be;
}

[data-theme="steel"] {
    --primary: #34495e;
    --primary-dark: #2c3e50;
    --secondary: #3498db;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Section */
.section {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background: var(--light);
}

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

/* Section Headers */
.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-menu a {
    font-weight: 500;
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: var(--gray-100);
}

.admin-btn {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.5rem !important;
}

.admin-btn:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.9) 0%, rgba(7, 26, 71, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-logo {
    height: 30px;
    width: auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--gold);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    opacity: 0.8;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.3);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* Services Overview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.service-link {
    color: var(--secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
    color: var(--primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.feature-item h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--gray-600);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 8s infinite;
}

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

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

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

/* Footer */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-info i {
    color: var(--secondary);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    margin: 0.5rem 0;
}

.footer-bottom i {
    color: var(--accent);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    bottom: 110px;
    right: 30px;
    z-index: 999;
}

.theme-toggle {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-options {
    position: absolute;
    bottom: 60px;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.theme-options.active {
    display: flex;
}

.theme-option {
    width: 40px;
    height: 40px;
    border: 3px solid var(--white);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.theme-option:hover {
    transform: scale(1.1);
    border-color: var(--gold);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}