/* --- Design System & Tokens --- */
:root {
    --primary: #064e3b; /* Emerald Green */
    --primary-light: #065f46;
    --secondary: #d4af37; /* Metallic Gold */
    --accent: #f59e0b; /* Amber/Golden Sand */
    --text-dark: #1f2937;
    --text-light: #f9fafb;
    --bg-light: #ffffff;
    --bg-muted: #f3f4f6;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 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);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-light);
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Layout Utility --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.grid { display: grid; }
.gap-8 { gap: 2rem; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary);
}

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

.btn-secondary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

/* --- Header & Nav --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

nav.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

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

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('./quran_academy_hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    padding-top: 5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

/* --- Stats --- */
.stats {
    padding: 4rem 0;
    background: white;
    margin-top: -4rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 10;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary);
}

/* --- Section Title --- */
.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--secondary);
    border-radius: 2px;
}

/* --- Courses --- */
.courses {
    padding: 6rem 0;
    background: var(--bg-muted);
}

.course-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.course-card {
    background: white;
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid #e5e7eb;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-icon {
    width: 60px;
    height: 60px;
    background: rgba(6, 78, 59, 0.1);
    color: var(--primary);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

/* --- Pricing --- */
.pricing {
    padding: 6rem 0;
}

.pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 2rem;
    padding: 3rem;
    transition: var(--transition);
    text-align: center;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: var(--primary);
}

.price span {
    font-size: 1rem;
    color: #6b7280;
}

/* --- Footer --- */
footer {
    background: var(--primary);
    color: white;
    padding: 6rem 0 2rem;
}

.footer-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 3rem; }
    .pricing-card.featured { transform: none; }
}