:root {
    --bg-dark: #070a12;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --primary: #38bdf8;
    --primary-glow: rgba(56, 189, 248, 0.2);
    --accent-gold: #fbbf24;
    --accent-green: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(7, 10, 18, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: white;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.btn-gold {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #070a12;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.5);
}

/* Hero Section */
.hero {
    padding: 5rem 0 4rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--primary-glow);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title span {
    background: linear-gradient(135deg, #38bdf8, #0284c7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

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

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

/* Features Section */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary-glow);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Modules & Classes Showcase */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.module-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.module-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.2), rgba(15, 23, 42, 0.8));
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-badge {
    padding: 0.3rem 0.75rem;
    background: rgba(56, 189, 248, 0.2);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.module-body {
    padding: 1.5rem;
}

.module-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.module-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(180deg, #131d33 0%, #0f172a 100%);
    box-shadow: 0 15px 40px rgba(56, 189, 248, 0.15);
}

.pricing-ribbon {
    position: absolute;
    top: -15px;
    right: 25px;
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.pricing-name {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    margin: 1rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin: 1.5rem 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
    font-size: 0.95rem;
}

.pricing-features li i {
    color: var(--accent-green);
}

.pricing-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
}

.pricing-features li.disabled i {
    color: var(--text-muted);
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.faq-question {
    padding: 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    display: none;
}

.faq-item.open .faq-answer {
    display: block;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 3.5rem 0 2rem;
    background: #05070d;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
    max-width: 320px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
}
