:root {
    --bg-900: #0B0B12;
    --bg-800: #10101A;
    --surface: #16161F;
    --surface-2: #1E1E2B;
    --surface-3: #262635;
    --border: #2A2A38;
    --border-strong: #3A3A4C;
    --violet: #7C5CFF;
    --violet-dark: #5B3DF2;
    --violet-soft: rgba(124, 92, 255, 0.14);
    --cyan: #5BC8FF;
    --cyan-soft: rgba(91, 200, 255, 0.12);
    --gain: #36E27B;
    --text: #EDEDF5;
    --text-dim: #A0A0B2;
    --text-faint: #6E6E82;
    --error: #FF5C72;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    --max: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-800);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

/* ---------- Nav ---------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(16, 16, 26, 0.72);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s, background .3s;
}
.nav.scrolled {
    border-bottom: 1px solid var(--border);
    background: rgba(11, 11, 18, 0.92);
}
.nav-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.nav-brand { display: flex; align-items: center; gap: 0.6rem; }
.nav-logo { width: 38px; height: 38px; border-radius: 11px; }
.nav-brand-text {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, #fff, var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-x { display: inline-flex; align-items: center; gap: 0.45rem; }
.x-tag {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--cyan);
    border: 1px solid var(--cyan-soft);
    background: var(--cyan-soft);
    padding: 0.1rem 0.4rem;
    border-radius: 999px;
    font-weight: 600;
}
.nav-cta { margin-left: 0.3rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.7rem 1.3rem;
    border-radius: 999px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .15s, background .2s, box-shadow .2s, border-color .2s;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-violet {
    background: var(--violet);
    color: #FFFFFF;
    box-shadow: 0 8px 24px rgba(124, 92, 255, 0.3);
}
.btn-violet:hover { background: #8D71FF; box-shadow: 0 10px 30px rgba(124, 92, 255, 0.42); }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--violet); color: var(--violet); }
.btn-lg { padding: 0.95rem 1.8rem; font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 9rem 1.5rem 5rem;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(900px 500px at 78% -10%, rgba(124, 92, 255, 0.2), transparent 60%),
        radial-gradient(700px 500px at 10% 110%, rgba(91, 200, 255, 0.12), transparent 55%),
        linear-gradient(180deg, var(--bg-900), var(--bg-800));
    z-index: -1;
}
.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at 50% 30%, #000, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, #000, transparent 75%);
}
.hero-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: center;
}
.badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--violet);
    border: 1px solid var(--violet-soft);
    background: var(--violet-soft);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1.4rem;
}
.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.03em;
    background: linear-gradient(120deg, #fff 30%, var(--violet));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-slogan {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 600;
    color: var(--text);
    margin: 0.6rem 0 1.2rem;
}
.hero-desc { color: var(--text-dim); font-size: 1.05rem; max-width: 33rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin: 2rem 0 1.6rem; }
.hero-facts { list-style: none; display: flex; flex-wrap: wrap; gap: 1.3rem; color: var(--text-dim); font-size: 0.92rem; }
.hero-facts li { display: inline-flex; align-items: center; gap: 0.5rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 4px var(--violet-soft); }

.hero-art { position: relative; display: flex; justify-content: center; }
.hero-banner {
    width: 100%;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.hero-phone {
    position: absolute;
    bottom: -28px;
    right: -14px;
    width: 46%;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid var(--border-strong);
    box-shadow: 0 20px 50px rgba(0,0,0,0.55);
    background: var(--surface);
    transform: rotate(3deg);
}
.hero-phone img { width: 100%; }

/* ---------- Sections ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: 5rem 1.5rem; }
.section-alt { max-width: none; background: linear-gradient(180deg, var(--bg-900), var(--bg-800)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-head { text-align: center; max-width: 46rem; margin: 0 auto 3rem; }
.section-title { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; }
.section-sub { color: var(--text-dim); margin-top: 0.9rem; font-size: 1.05rem; }

/* ---------- Feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card-shot { aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.card-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .4s; }
.card:hover .card-shot img { transform: scale(1.04); }
.card-body { padding: 1.4rem 1.5rem 1.7rem; }
.card-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.8rem;
}
.tag-games { color: var(--violet); background: var(--violet-soft); }
.tag-trend { color: var(--cyan); background: var(--cyan-soft); }
.tag-search { color: var(--gain); background: rgba(54, 226, 123, 0.12); }
.tag-trade { color: var(--violet); background: var(--violet-soft); }
.card-body h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.card-body p { color: var(--text-dim); font-size: 0.97rem; }

/* ---------- Pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pillar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.6rem;
    text-align: center;
}
.pillar-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.pillar h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.pillar p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.shot {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    cursor: zoom-in;
    transition: transform .2s, border-color .2s;
}
.shot:hover { transform: translateY(-3px); border-color: var(--violet); }
.shot img { width: 100%; aspect-ratio: 9 / 19; object-fit: cover; object-position: top center; }
.shot figcaption { padding: 0.55rem 0.7rem; font-size: 0.8rem; color: var(--text-dim); font-weight: 500; }

/* ---------- CTA ---------- */
.section-cta { max-width: none; background: linear-gradient(180deg, var(--bg-800), var(--bg-900)); }
.cta-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(160deg, var(--surface-2), var(--surface));
    border: 1px solid var(--border-strong);
    border-radius: 24px;
    padding: 3.5rem 2rem;
    box-shadow: var(--shadow);
}
.cta-card h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 800; letter-spacing: -0.02em; }
.cta-card p { color: var(--text-dim); margin: 1rem auto 2rem; max-width: 34rem; }
.cta-note { margin-top: 1.3rem; font-size: 0.85rem; color: var(--text-faint); }
.cta-note code { color: var(--violet); background: var(--violet-soft); padding: 0.1rem 0.45rem; border-radius: 6px; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-900); border-top: 1px solid var(--border); padding: 3rem 1.5rem 2rem; }
.footer-inner { max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 0.9rem; }
.footer-logo { width: 46px; height: 46px; border-radius: 13px; }
.footer-name { font-weight: 800; font-size: 1.2rem; }
.footer-slogan { color: var(--text-dim); font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; transition: color .2s; }
.footer-links a:hover { color: var(--violet); }
.footer-bottom {
    max-width: var(--max);
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--text-faint);
    font-size: 0.85rem;
}

/* ---------- Lightbox ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 10, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 14px; border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.lightbox-close {
    position: absolute;
    top: 1.4rem; right: 1.6rem;
    background: none;
    border: 0;
    color: var(--text);
    font-size: 2.2rem;
    line-height: 1;
    cursor: pointer;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero-art { order: -1; max-width: 460px; margin: 0 auto; }
    .gallery { grid-template-columns: repeat(3, 1fr); }
    .pillars { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        background: var(--bg-900);
        border-bottom: 1px solid var(--border);
        padding: 1rem 1.5rem 1.5rem;
        display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 0.5rem 0; width: 100%; }
    .nav-cta { margin-left: 0; width: 100%; }
    .cards { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .hero { padding-top: 7rem; }
    .section { padding: 3.5rem 1.2rem; }
}
@media (max-width: 460px) {
    .gallery { grid-template-columns: 1fr 1fr; }
}