/* Landing Page - Glass Morphism with Navy & Teal Theme */

:root {
    /* Light theme - Navy & Teal */
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px 0 rgba(30, 41, 59, 0.1), 0 1px 2px 0 rgba(30, 41, 59, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(30, 41, 59, 0.1), 0 2px 4px -1px rgba(30, 41, 59, 0.06);
    --shadow-large: 0 20px 25px -5px rgba(30, 41, 59, 0.1), 0 10px 10px -5px rgba(30, 41, 59, 0.04);
    --accent-primary: #1e3a8a;
    --accent-secondary: #0d9488;
    --accent-danger: #dc2626;
    --accent-warning: #d97706;
    --accent-success: #059669;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(30, 58, 138, 0.18);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #475569;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --accent-primary: #3b82f6;
    --accent-secondary: #14b8a6;
    --glass-bg: rgba(51, 65, 85, 0.25);
    --glass-border: rgba(59, 130, 246, 0.18);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(-45deg, #1e3a8a, #0d9488, #1e40af, #0891b2);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    opacity: 0.1;
}

/* Floating Orbs */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
    z-index: -1;
}

.orb1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

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

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
}

/* Services Grid */
.services {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: translateX(0);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* Features Section */
.features {
    padding: 4rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.feature {
    text-align: center;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-primary);
    transition: all 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-large);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    padding: 3rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-4px);
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .features-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero {
        min-height: 70vh;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 1rem;
    }

    .services {
        padding: 2rem 1rem;
    }

    .service-card {
        padding: 1.5rem;
    }
}

/* Scroll animations */
.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Loading animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Dark mode adjustments */
[data-theme="dark"] .animated-bg {
    opacity: 0.05;
}

[data-theme="dark"] .service-card,
[data-theme="dark"] .feature-icon,
[data-theme="dark"] .social-links a {
    backdrop-filter: none;
}