/* ══════════ UI v3 — World Gym Inspired: Bold, Dynamic, Tech Feel ══════════ */

/* ── Global ── */
body {
    background-color: #0a0e17;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0,184,148,0.03) 0%, transparent 50%);
}

/* ── Scroll Reveal Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(.16,1,.3,1), transform 0.8s cubic-bezier(.16,1,.3,1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(.16,1,.3,1), transform 0.8s cubic-bezier(.16,1,.3,1);
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(.16,1,.3,1), transform 0.8s cubic-bezier(.16,1,.3,1);
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ── Hero: Dramatic Full-Bleed ── */
.hero {
    min-height: 520px !important;
    background: linear-gradient(160deg, rgba(6,8,15,0.92) 0%, rgba(15,23,42,0.88) 40%, rgba(30,41,59,0.85) 100%),
                url('/images/hero-code-bg.jpg') center/cover no-repeat !important;
    border-bottom: none !important;
    position: relative;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, #0a0e17);
    pointer-events: none;
}
.hero-bg::after {
    background-image: none !important;
    background: none !important;
}
.hero h1 {
    font-size: 3.2rem !important;
    font-weight: 900 !important;
    letter-spacing: -0.04em !important;
    line-height: 1.1 !important;
    text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.hero h1 .highlight {
    background: linear-gradient(135deg, #818cf8 0%, #06d6a0 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    filter: none !important;
}
.hero-badge {
    background: rgba(99,102,241,0.2) !important;
    border: 1px solid rgba(99,102,241,0.4) !important;
    color: #a5b4fc !important;
    backdrop-filter: blur(8px);
    font-size: 0.8rem !important;
    letter-spacing: 0.1em !important;
    text-transform: uppercase;
}
.hero-desc {
    font-size: 1.1rem !important;
    color: rgba(255,255,255,0.7) !important;
    max-width: 580px !important;
}
.hero-content {
    max-width: 800px !important;
}

/* ── CTA Buttons: Bold, Impactful ── */
.btn-cta-primary {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 16px 40px !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
    text-transform: uppercase;
    transition: all 0.3s cubic-bezier(.4,0,.2,1) !important;
}
.btn-cta-primary:hover {
    background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%) !important;
    color: #fff !important;
    transform: translateY(-3px) scale(1.02) !important;
    box-shadow: 0 8px 30px rgba(99,102,241,0.5) !important;
}
.btn-cta-secondary {
    border: 2px solid rgba(255,255,255,0.25) !important;
    border-radius: 8px !important;
    padding: 14px 36px !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: all 0.3s !important;
}
.btn-cta-secondary:hover {
    background: rgba(255,255,255,0.1) !important;
    border-color: #fff !important;
    transform: translateY(-3px) !important;
}
.btn-cta-ghost {
    border-radius: 8px !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── Stats: Glass Counters ── */
.hero-stats {
    gap: 1.5rem !important;
}
.stat {
    background: rgba(255,255,255,0.04) !important;
    border: 1px solid rgba(255,255,255,0.08) !important;
    border-radius: 12px !important;
    padding: 20px 32px !important;
    backdrop-filter: blur(12px);
    transition: transform 0.3s, border-color 0.3s;
}
.stat:hover {
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.3);
}
.stat-num {
    font-size: 3rem !important;
    font-weight: 900 !important;
    background: linear-gradient(135deg, #818cf8, #06d6a0) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}
.stat small {
    font-size: 0.82rem !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ── Section Headers: Big & Bold ── */
.section-header {
    margin-bottom: 3rem !important;
}
.section-title {
    font-size: 2.2rem !important;
    font-weight: 900 !important;
    letter-spacing: -0.03em !important;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #06d6a0);
    border-radius: 2px;
    margin: 16px auto 0;
}
.section-subtitle {
    font-size: 1.05rem !important;
    margin-top: 12px !important;
}

/* ── Category Cards: Glow on Hover ── */
.category-card {
    background: rgba(15,20,30,0.7) !important;
    border: 1px solid rgba(255,255,255,0.06) !important;
    border-radius: 16px !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2) !important;
    transition: all 0.4s cubic-bezier(.4,0,.2,1) !important;
    overflow: hidden !important;
}
.category-card:hover {
    transform: translateY(-6px) !important;
    border-color: var(--cat-color, rgba(99,102,241,0.4)) !important;
    box-shadow:
        0 12px 40px rgba(0,0,0,0.3),
        0 0 40px -10px var(--cat-color, rgba(99,102,241,0.2)) !important;
}
.category-card::before {
    background: linear-gradient(180deg, rgba(99,102,241,0.04), transparent) !important;
    height: 100px !important;
}
.category-header {
    border-bottom: 1px solid rgba(255,255,255,0.04) !important;
    padding: 20px 24px !important;
}
.category-header h2 {
    font-weight: 800 !important;
    letter-spacing: -0.01em;
}

/* ── Chapter List ── */
.chapter-link {
    border-radius: 8px !important;
    transition: all 0.2s !important;
    border-bottom: 1px solid rgba(255,255,255,0.03) !important;
}
.chapter-link:hover {
    background: rgba(99,102,241,0.08) !important;
    padding-left: 18px !important;
}

/* ── Path Nodes: Bold Cards ── */
.path-node {
    background: rgba(15,20,30,0.8) !important;
    border: 1px solid rgba(255,255,255,0.06) !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15) !important;
    transition: all 0.4s cubic-bezier(.4,0,.2,1) !important;
}
.path-node:hover {
    transform: translateY(-6px) !important;
    border-color: var(--cat-color, rgba(99,102,241,0.4)) !important;
    box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 30px -8px var(--cat-color, rgba(99,102,241,0.15)) !important;
}
.path-step-num {
    font-size: 0.7rem !important;
    font-weight: 900 !important;
    letter-spacing: 0.15em !important;
    text-transform: uppercase;
    background: linear-gradient(135deg, #818cf8, #06d6a0) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}
.path-start-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em;
    transition: all 0.3s !important;
}
.path-start-btn:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 4px 15px rgba(99,102,241,0.4) !important;
}

/* ── Feature Nav Cards ── */
.home-layout section a[style*="background:var(--bg2)"] {
    background: rgba(15,20,30,0.7) !important;
    border: 1px solid rgba(255,255,255,0.06) !important;
    border-radius: 14px !important;
    transition: all 0.3s cubic-bezier(.4,0,.2,1) !important;
}
.home-layout section a[style*="background:var(--bg2)"]:hover {
    transform: translateY(-4px) !important;
    border-color: rgba(99,102,241,0.3) !important;
    box-shadow: 0 8px 25px rgba(0,0,0,0.25) !important;
}

/* ── Download Btn ── */
.dl-all-btn {
    border-radius: 8px !important;
    font-weight: 600 !important;
    transition: all 0.2s !important;
}
.dl-all-btn:hover {
    background: linear-gradient(135deg, #6366f1, #06d6a0) !important;
    color: #fff !important;
}

/* ── Badges: Refined ── */
.badge-green  { background: rgba(6,214,160,0.12) !important; color: #06d6a0 !important; border: 1px solid rgba(6,214,160,0.2) !important; }
.badge-blue   { background: rgba(99,102,241,0.12) !important; color: #a5b4fc !important; border: 1px solid rgba(99,102,241,0.2) !important; }
.badge-red    { background: rgba(239,68,68,0.12) !important; color: #fca5a5 !important; border: 1px solid rgba(239,68,68,0.2) !important; }

/* ── Promo / Feature Sections with Image Backgrounds ── */
.section-block {
    position: relative;
}

/* ── Cat Icon: Cleaner ── */
.cat-icon-wrap {
    background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(6,214,160,0.08)) !important;
    border: 1px solid rgba(99,102,241,0.15) !important;
    font-size: 1.4rem !important;
}

/* ── Scrollbar: Sleek ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.5); }

/* ── Link hover global ── */
a { transition: color 0.2s; }

/* ── Registration Gate ── */
#regGateBox {
    backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(99,102,241,0.3) !important;
}
#regGateBox .rg-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
    border-radius: 8px !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700 !important;
}

/* ── Tour tooltip ── */
#tourTooltip .tour-next {
    background: linear-gradient(135deg, #6366f1, #06d6a0) !important;
    border-radius: 8px !important;
}

/* ── Light theme ── */
[data-theme="light"] body {
    background-color: #f8fafc;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0,184,148,0.02) 0%, transparent 50%);
}
[data-theme="light"] .hero {
    background: linear-gradient(160deg, rgba(6,8,15,0.88) 0%, rgba(15,23,42,0.85) 40%, rgba(30,41,59,0.82) 100%),
                url('/images/hero-code-bg.jpg') center/cover no-repeat !important;
}
[data-theme="light"] .hero::after {
    background: linear-gradient(to bottom, transparent, #f8fafc);
}
[data-theme="light"] .category-card {
    background: rgba(255,255,255,0.9) !important;
    border-color: rgba(0,0,0,0.06) !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06) !important;
}
[data-theme="light"] .category-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.1), 0 0 30px -10px var(--cat-color, rgba(99,102,241,0.1)) !important;
}
[data-theme="light"] .path-node {
    background: rgba(255,255,255,0.95) !important;
    border-color: rgba(0,0,0,0.06) !important;
}
[data-theme="light"] .stat-num {
    -webkit-text-fill-color: transparent !important;
}

/* ── Mobile responsive ── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem !important; }
    .hero { min-height: 400px !important; padding: 3rem 1.5rem !important; }
    .stat-num { font-size: 2.2rem !important; }
    .section-title { font-size: 1.6rem !important; }
    .hero-stats { gap: 0.8rem !important; flex-wrap: wrap; }
    .stat { padding: 12px 20px !important; }
}