@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

:root {
    --bg-dark: #0a0a0c;
    --card-bg: rgba(255, 255, 255, 0.03);
    --primary: #00d1ff;
    --primary-glow: rgba(0, 209, 255, 0.3);
    --secondary: #7000ff;
    --accent: #ff007a;
    --text-main: #ffffff;
    --text-dim: #a0a0b0;
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-hero: linear-gradient(135deg, #00d1ff 0%, #7000ff 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 209, 255, 0.15) 0%, transparent 70%);
}

[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

[data-reveal].active {
    opacity: 1;
    transform: translateY(0);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 209, 255, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(0, 209, 255, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 209, 255, 0); }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--gradient-glow);
    top: -200px;
    right: -200px;
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-image {
    position: relative;
    animation: fadeInUp 1.2s ease-out;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    filter: drop-shadow(0 0 30px rgba(0, 209, 255, 0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.highlight {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 209, 255, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 10px 20px rgba(0, 209, 255, 0.2);
    animation: pulse 2s infinite;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0, 209, 255, 0.4);
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.01);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-dim);
    font-weight: 500;
}

/* Features */
.features {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 209, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

/* Pricing Section */
.pricing {
    padding: 8rem 0;
    background: linear-gradient(to bottom, transparent, rgba(112, 0, 255, 0.05), transparent);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 28px;
    text-align: left;
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.pricing-card .subtitle {
    color: var(--text-dim);
    font-weight: 500;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.original-price {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.price-value {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: #ff9d00;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.footer-text {
    font-weight: 600;
    color: var(--text-dim);
}

/* Specific Card Styles */
.card-per-subject {
    background: #0d122b;
    border: 1px solid rgba(0, 209, 255, 0.2);
}

.card-full-combo {
    background: #1a120b;
    border: 2px solid #ff9d00;
    box-shadow: 0 0 30px rgba(255, 157, 0, 0.1);
}

.card-full-combo .footer-text {
    color: #ff9d00;
}

.deal-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: #ff9d00;
    color: #000;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(255, 157, 0, 0.4);
    z-index: 2;
}

.btn-orange {
    background: #ff9d00 !important;
    color: #000 !important;
    box-shadow: 0 10px 20px rgba(255, 157, 0, 0.2) !important;
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* FAQ */
.faq {
    padding: 8rem 0;
}

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

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-dim);
    display: none;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .section-header h2 { font-size: 2rem; }
}