:root {
    --bg-color: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --accent-blue: #0056b3;
    --accent-green: #28a745;
    --accent-gold: #c5a059;
    --card-bg: rgba(255, 255, 255, 0.85);
    --glass-border: 1px solid rgba(255, 255, 255, 0.3);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    --gradient-brand: linear-gradient(135deg, #0056b3 0%, #0088ff 100%);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #ffffff, #f0f4f8);
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s infinite alternate ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: #e0f2ff;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: #e8fff0;
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: #fff8e1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: var(--glass-border);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo .highlight {
    color: var(--accent-blue);
    font-style: italic;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-brand);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0, 86, 179, 0.2);
    transform: translateY(0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 86, 179, 0.3);
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-gold);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: -2rem auto 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glass Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,0.8);
    border-bottom: 1px solid rgba(255,255,255,0.4);
    box-shadow: var(--shadow-soft);
    margin: 2rem 0;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--accent-green);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Stats */
.graphic-block {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    text-align: center;
    min-width: 200px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 86, 179, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Course List */
.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.course-item {
    padding: 1.5rem;
    border-left: 4px solid var(--accent-gold);
    background: rgba(255, 255, 255, 0.5);
}

.course-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.course-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.link-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
}

.link-card:hover {
    border-color: var(--accent-blue);
    background: var(--bg-color);
}

.link-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.link-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* SEO Footer */
.seo-text {
    background: #e9ecef;
    padding: 3rem 0;
    color: #6c757d;
}

/* Footer */
footer {
    background: white;
    padding: 4rem 0 2rem;
    border-top: 1px solid #eee;
}

.footer-content {
    text-align: center;
}

.footer-motto {
    font-style: italic;
    font-family: var(--font-heading);
    margin-top: 1rem;
    color: var(--accent-gold);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nav-links {
        display: none; /* Mobile menu implementation would go here */
    }
}
