/*  Hero  */

.hero {
    position: relative;
    width: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    background: #0b0b12;
}

/* Animated orb glow behind hero */
.hero::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 500px;
    background: radial-gradient(ellipse at center,
        rgba(155,89,244,0.18) 0%,
        rgba(155,89,244,0.06) 40%,
        transparent 70%);
    pointer-events: none;
    animation: heroOrb 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.6;
}

@keyframes heroOrb {
    0%, 100% { transform: translateX(-50%) scale(1);    opacity: 1; }
    50%       { transform: translateX(-50%) scale(1.04); opacity: 0.8; }
}

.hero-bg      { display: none; }
.hero-scanlines { display: none; }

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 64px 20px 56px;
    animation: fadeUp 0.3s ease both;
}

.hero-logo {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 5px;
    line-height: 1;
    margin-bottom: 6px;
}

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

.hero-title-text {
    color: var(--text);
    text-shadow: 0 0 40px rgba(155,89,244,0.15);
}

.hero-subtitle {
    font-size: 28px;
    color: var(--text-2);
    letter-spacing: 10px;
    margin: 4px 0 18px;
}

.hero-desc {
    font-size: 15px;
    color: var(--text-3);
    margin: 0 0 30px;
    letter-spacing: 0.5px;
}

.hero-cta {
    display: inline-block;
    padding: 11px 30px;
    background: var(--gradient);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: #fff !important;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none !important;
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    box-shadow: 0 0 20px rgba(155,89,244,0.35), 0 4px 16px rgba(0,0,0,0.3);
    animation: pulse-glow 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.hero-cta::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
    transition: left 0.5s ease;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 36px rgba(155,89,244,0.55), 0 8px 24px rgba(0,0,0,0.4);
    opacity: 0.95;
}

.hero-cta:hover::after {
    left: 100%;
}

.hero-cta:active {
    transform: scale(0.97) translateY(0);
}

.hero-cta-icon {
    margin-right: 6px;
}

/*  Main Container  */

.main-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px 60px;
    animation: fadeUp 0.3s ease both;
}

/*  Section blocks  */

.section-block {
    margin-top: 54px;
}

.section-title {
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin: 0 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid transparent;
    border-image: linear-gradient(90deg, var(--accent), transparent) 1;
    font-weight: 700;
}

.section-icon {
    margin-right: 8px;
}

/*  Chapter cards  */

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.chapter-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    text-decoration: none !important;
    color: var(--text) !important;
    transition: border-color var(--transition), background var(--transition),
                box-shadow var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}

.chapter-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    background: var(--gradient-dim);
    transition: opacity var(--transition);
}

.chapter-card:hover {
    background: var(--elevated);
    border-color: var(--accent);
    box-shadow: 0 8px 28px rgba(0,0,0,0.4), 0 0 0 1px rgba(155,89,244,0.2);
    transform: translateY(-3px);
}

.chapter-card:hover::before {
    opacity: 1;
}

.chapter-card:active {
    transform: translateY(-1px) scale(0.99);
}

.chapter-card-number {
    font-size: 32px;
    color: var(--accent);
    font-weight: 700;
    line-height: 1;
    min-width: 44px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chapter-card-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.chapter-card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
}

.chapter-card-sub {
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 1px;
    margin-top: 3px;
    text-transform: uppercase;
}

.chapter-card-arrow {
    font-size: 18px;
    color: var(--text-3);
    transition: color var(--transition), transform var(--transition);
    position: relative;
    z-index: 1;
}

.chapter-card:hover .chapter-card-arrow {
    color: var(--accent-hover);
    transform: translateX(4px);
}

/*  Demo cards  */

.section-demo {
    margin-top: 28px;
}

.demo-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.demo-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    text-decoration: none !important;
    color: var(--text-2) !important;
    font-size: 14px;
    transition: border-color var(--transition), color var(--transition),
                background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.demo-card:hover {
    border-color: var(--accent);
    color: var(--text) !important;
    background: var(--elevated);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.demo-badge {
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 10px;
    padding: 2px 6px;
    letter-spacing: 1px;
    border: 1px solid rgba(155,89,244,0.3);
    border-radius: var(--radius-xs);
    font-weight: 600;
}

/*  Community cards  */

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.community-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    text-decoration: none !important;
    color: var(--text) !important;
    transition: background var(--transition), border-color var(--transition),
                box-shadow var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}

.community-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    background: var(--gradient-dim);
    transition: opacity var(--transition);
}

.community-card:hover {
    background: var(--elevated);
    border-color: var(--accent);
    box-shadow: 0 8px 28px rgba(0,0,0,0.4), 0 0 0 1px rgba(155,89,244,0.2);
    transform: translateY(-3px);
}

.community-card:hover::before {
    opacity: 1;
}

.community-card:active {
    transform: translateY(-1px) scale(0.99);
}

.community-card:hover .community-card-icon {
    color: var(--accent-hover);
}

.community-card:hover .community-card-desc {
    color: var(--text-2);
}

.community-card-icon {
    font-size: 24px;
    min-width: 44px;
    text-align: center;
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    transition: color var(--transition), transform var(--transition);
    position: relative;
    z-index: 1;
}

.community-card:hover .community-card-icon {
    transform: scale(1.1);
}

.community-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    position: relative;
    z-index: 1;
}

.community-card-desc {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 3px;
    transition: color var(--transition);
    position: relative;
    z-index: 1;
}

/*  Stats  */

.stats-section {
    margin-top: 40px;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 28px 0;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-lg);
    margin-top: 16px;
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.5;
}

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

.stat-value {
    display: block;
    font-size: 30px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 12px;
    color: var(--text-3);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}

/*  Footer  */

.main-footer {
    text-align: center;
    margin-top: 60px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-3);
}

.footer-sub {
    font-size: 11px;
    color: var(--text-3);
    margin-top: 4px;
    opacity: 0.7;
}

/*  Responsive  */

@media (max-width: 640px) {
    .hero-logo    { font-size: 42px; letter-spacing: 3px; }
    .hero-subtitle { font-size: 20px; letter-spacing: 5px; }
    .hero-content  { padding: 44px 16px 38px; }
    .hero          { min-height: 250px; }

    .chapters-grid   { grid-template-columns: 1fr; }
    .community-grid  { grid-template-columns: 1fr; }
    .stats-bar       { gap: 24px; padding: 20px 0; }
    .stat-value      { font-size: 24px; }
    .section-title   { font-size: 11px; }
}