:root {
    --violet-500: #8b5cf6;
    --violet-600: #7c3aed;
    --violet-700: #6d28d9;
    --violet-400: #a78bfa;
    --violet-300: #c4b5fd;
    --bg-900: #06060a;
    --bg-800: #0c0c14;
    --bg-700: #12121e;
    --bg-600: #1a1a2a;
    --white: #eeeef2;
    --gray-300: #9898a8;
    --gray-500: #5a5a6e;
    --emerald: #10b981;
    --amber: #f59e0b;
    --border-dim: rgba(138, 92, 246, 0.1);
    --border-lit: rgba(138, 92, 246, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-900);
    color: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: var(--violet-400); }

button { cursor: pointer; border: none; outline: none; font-family: inherit; }

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

.vt { background: linear-gradient(135deg, var(--violet-600), var(--violet-400)); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; }

/* ---------- top bar ---------- */
.topbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 200;
    background: rgba(6,6,10,.82);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-dim);
    transition: background .35s, box-shadow .35s;
}

.topbar-inner {
    display: flex; align-items: center; justify-content: space-between; height: 62px;
}

.topbar-brand { font-size: 22px; font-weight: 800; letter-spacing: -.4px; }

.topbar-menu { display: flex; gap: 30px; }

.topbar-menu a {
    font-size: 13.5px; font-weight: 500; color: var(--gray-300);
    position: relative; padding: 4px 0;
}

.topbar-menu a::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: var(--violet-500); transform: scaleX(0); transform-origin: right;
    transition: transform .3s;
}

.topbar-menu a:hover { color: var(--white); }
.topbar-menu a:hover::after { transform: scaleX(1); transform-origin: left; }

.topbar-actions { display: flex; gap: 8px; }

.tb-btn {
    padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 600;
    transition: all .25s;
}

.tb-btn--ghost {
    background: transparent; border: 1px solid var(--border-dim); color: var(--white);
}
.tb-btn--ghost:hover { border-color: var(--violet-500); background: rgba(138,92,246,.07); }

.tb-btn--fill {
    background: linear-gradient(135deg, var(--violet-600), var(--violet-500));
    color: #fff; border: none;
}
.tb-btn--fill:hover { box-shadow: 0 4px 18px rgba(138,92,246,.35); transform: translateY(-1px); }

/* ---------- mobile nav ---------- */
.m-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    background: rgba(6,6,10,.88); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    display: none;
}

.m-nav-bar { display: flex; justify-content: space-between; align-items: center; height: 56px; }

.m-nav-logo { font-size: 1.15rem; font-weight: 800; }

.m-nav-right { display: flex; align-items: center; gap: 8px; }

.m-nav-cta {
    padding: 6px 14px; background: linear-gradient(135deg,var(--violet-600),var(--violet-500));
    color: #fff; border-radius: 50px; font-size: .78rem; font-weight: 600;
}

.hamburger {
    width: 24px; height: 20px; display: flex; flex-direction: column;
    justify-content: space-between; background: none; padding: 0;
}
.hamburger span { display: block; height: 2px; background: var(--violet-400); border-radius: 2px; transition: all .3s; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,6px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-6px); }

.m-drawer {
    max-height: 0; overflow: hidden; opacity: 0; transition: all .35s;
}
.m-drawer.open { max-height: 420px; opacity: 1; padding: 10px 0 14px; }

.m-drawer-box {
    background: var(--bg-700); border-radius: 16px; border: 1px solid var(--border-dim); padding: 6px;
}

.m-drawer-link {
    display: flex; align-items: center; width: 100%; text-align: left;
    padding: 12px 14px; color: var(--gray-300); background: none;
    border-radius: 10px; font-size: .86rem; font-weight: 500; transition: all .25s;
}
.m-drawer-link:hover { background: rgba(138,92,246,.1); color: var(--violet-400); }
.m-drawer-link i { margin-right: 10px; width: 16px; text-align: center; }

.m-drawer-go {
    width: 100%; margin-top: 6px; padding: 12px;
    background: linear-gradient(135deg,var(--violet-600),var(--violet-500));
    color: #fff; border-radius: 10px; font-size: .86rem; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
}

/* ---------- hero ---------- */
.hero-area {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    padding: 110px 0 70px; overflow: hidden;
}

.hero-area .wrap {
    display: flex; align-items: center; justify-content: space-between; gap: 48px;
}

.hero-left { flex: 1; min-width: 0; }

.hero-visual {
    position: relative; flex-shrink: 0; width: 42%; max-width: 440px; z-index: 1;
}
.hero-visual img {
    border-radius: 20px;
    box-shadow: 0 24px 64px rgba(138,92,246,.22);
    border: 1px solid var(--border-dim);
}
.hero-stamp {
    position: absolute; top: 12px; right: 12px;
    background: rgba(138,92,246,.85); backdrop-filter: blur(6px);
    color: #fff; padding: 4px 12px; border-radius: 6px;
    font-size: .7rem; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; z-index: 3;
}

.hero-pill {
    display: inline-flex; align-items: center; gap: 7px;
    background: rgba(138,92,246,.1); color: var(--violet-400);
    padding: 6px 14px; border-radius: 50px; font-size: .78rem; font-weight: 600;
    margin-bottom: 18px; border: 1px solid rgba(138,92,246,.2);
}

.hero-h1 { margin-bottom: 18px; }
.hero-h1 .vt { display: block; font-size: 3rem; line-height: 1.1; }
.hero-h1 .sub { display: block; font-size: 2.2rem; font-weight: 800; line-height: 1.15; margin-top: 6px; }

.hero-p {
    font-size: 1.05rem; color: var(--gray-300); max-width: 540px;
    margin-bottom: 26px; line-height: 1.75;
}
.hero-p strong { color: var(--white); }

.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }

.pill-btn {
    padding: 12px 26px; border-radius: 50px; font-weight: 600; font-size: .93rem;
    display: inline-flex; align-items: center; gap: 8px; transition: all .3s;
}
.pill-btn--main {
    background: linear-gradient(135deg,var(--violet-600),var(--violet-500)); color: #fff;
}
.pill-btn--main:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(138,92,246,.35); }
.pill-btn--main.xl { padding: 15px 32px; font-size: 1.02rem; }

.pill-btn--alt {
    background: rgba(255,255,255,.04); border: 1px solid var(--border-dim); color: #fff;
}
.pill-btn--alt:hover { border-color: var(--violet-500); background: rgba(138,92,246,.07); }

.hero-badges { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-badges .badge {
    display: flex; align-items: center; gap: 6px; color: var(--gray-300); font-size: .8rem;
}
.hero-badges .badge i { color: var(--emerald); }

.hero-toc {
    margin-top: 28px; padding: 16px 20px; text-align: left;
    background: rgba(138,92,246,.05); border: 1px solid var(--border-dim); border-radius: 14px;
    max-width: 540px; width: 100%;
}
.hero-toc-label {
    font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    color: var(--violet-400); margin-bottom: 8px;
}
.hero-toc ol { list-style: none; counter-reset: toc; padding: 0; margin: 0; }
.hero-toc li { counter-increment: toc; padding: 5px 0; }
.hero-toc li a {
    font-size: .86rem; color: var(--gray-300); display: flex; align-items: center; gap: 8px;
}
.hero-toc li a::before {
    content: counter(toc); display: inline-flex; align-items: center; justify-content: center;
    width: 20px; height: 20px; background: rgba(138,92,246,.12); color: var(--violet-400);
    border-radius: 5px; font-size: .68rem; font-weight: 700; flex-shrink: 0;
}
.hero-toc li a:hover { color: var(--violet-400); }

/* hero bg */
.hero-mesh {
    position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .35;
    background:
        radial-gradient(ellipse 50% 40% at 50% 40%, rgba(138,92,246,.1), transparent 70%),
        repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(138,92,246,.04) 59px, rgba(138,92,246,.04) 60px),
        repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(138,92,246,.04) 59px, rgba(138,92,246,.04) 60px);
}

/* ---------- sections ---------- */
section { padding: 90px 0; position: relative; }

.s-title {
    font-size: 2.2rem; font-weight: 800; text-align: center; margin-bottom: 14px; line-height: 1.15;
}

.s-lead {
    font-size: 1.02rem; color: var(--gray-300); text-align: center;
    max-width: 660px; margin: 0 auto 50px; line-height: 1.7;
}
.s-lead strong { color: var(--violet-400); }

/* ---------- companions strip ---------- */
.companions-strip { background: var(--bg-800); }

.strip-scroll {
    display: flex; gap: 18px; overflow-x: auto;
    scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    padding-bottom: 16px; scrollbar-width: none;
}
.strip-scroll::-webkit-scrollbar { display: none; }

.ccard {
    flex: 0 0 270px; scroll-snap-align: start;
    background: var(--bg-700); border-radius: 16px; overflow: hidden;
    border: 1px solid var(--border-dim); transition: all .35s;
}
.ccard:hover { transform: translateY(-5px); border-color: var(--violet-500); box-shadow: 0 16px 44px rgba(0,0,0,.4); }

.ccard-thumb { height: 290px; overflow: hidden; position: relative; }
.ccard-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.ccard:hover .ccard-thumb img { transform: scale(1.05); }

.ccard-label {
    position: absolute; top: 10px; left: 10px;
    background: rgba(138,92,246,.8); color: #fff;
    padding: 4px 10px; border-radius: 5px; font-size: .68rem; font-weight: 600;
    display: flex; align-items: center; gap: 4px; z-index: 2;
}
.ccard-label i { font-size: .4rem; animation: bip 1.4s infinite; }
@keyframes bip { 0%,100%{opacity:1}50%{opacity:.2} }

.ccard-info { padding: 18px; }
.ccard-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 5px; }
.ccard-info > p { color: var(--gray-300); font-size: .83rem; line-height: 1.45; margin-bottom: 12px; }
.ccard-tags { display: flex; gap: 14px; font-size: .78rem; color: var(--gray-500); }
.ccard-tags span { display: flex; align-items: center; gap: 4px; }
.ccard-tags i { color: var(--violet-400); }

.strip-action { text-align: center; margin-top: 36px; }

/* ---------- article blocks ---------- */
.article-area { padding: 75px 0; }
.article-area:nth-child(even) { background: var(--bg-800); }

.article-area .s-intro {
    font-size: 1.02rem; color: var(--gray-300); max-width: 740px;
    margin: 0 auto 40px; text-align: center; line-height: 1.7;
}
.article-area .s-intro strong { color: var(--white); }

.art-block { max-width: 740px; margin: 0 auto 50px; }
.art-block:last-child { margin-bottom: 0; }

.art-block h3 {
    font-size: 1.35rem; font-weight: 700; margin-bottom: 16px;
    padding-left: 12px; border-left: 3px solid var(--violet-600); line-height: 1.3;
}

.art-block p { color: var(--gray-300); line-height: 1.8; margin-bottom: 12px; font-size: .96rem; }
.art-block p strong { color: var(--white); }

.art-block ul { list-style: none; margin: 18px 0; padding: 0; }
.art-block ul li {
    padding: 10px 0 10px 24px; position: relative; color: var(--gray-300);
    font-size: .92rem; border-bottom: 1px solid rgba(255,255,255,.03);
}
.art-block ul li:last-child { border-bottom: none; }
.art-block ul li::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 6px; height: 6px; background: var(--violet-500); border-radius: 50%;
}
.art-block ul li strong { color: var(--white); }

.art-block blockquote {
    background: rgba(138,92,246,.06); border-left: 3px solid var(--violet-400);
    padding: 20px 24px; border-radius: 0 12px 12px 0;
    font-size: .98rem; color: var(--gray-300); line-height: 1.8; margin: 20px 0;
    font-style: italic;
}
.art-block blockquote strong { color: var(--white); }

.art-img {
    max-width: 440px; margin: 0 auto 40px; border-radius: 14px; overflow: hidden;
    border: 1px solid var(--border-dim); box-shadow: 0 10px 36px rgba(0,0,0,.3);
}
.art-img img { width: 100%; display: block; }

/* ---------- table ---------- */
.data-table-wrap {
    max-width: 740px; margin: 0 auto 36px; overflow-x: auto;
    border-radius: 12px; border: 1px solid var(--border-dim);
}
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table thead { background: rgba(138,92,246,.08); }
.data-table th {
    padding: 12px 18px; text-align: left; font-weight: 700; color: var(--violet-400);
    font-size: .82rem; text-transform: uppercase; letter-spacing: .4px;
}
.data-table td { padding: 11px 18px; color: var(--gray-300); border-bottom: 1px solid rgba(255,255,255,.03); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(138,92,246,.04); }
.data-table td strong { color: var(--white); }

/* ---------- highlight cards ---------- */
.highlight-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }

.hl-card {
    background: var(--bg-700); border-radius: 16px; padding: 30px;
    border: 1px solid var(--border-dim); position: relative; overflow: hidden;
    transition: all .35s;
}
.hl-card::before {
    content: ''; position: absolute; top: -1px; left: -1px; right: -1px; height: 3px;
    background: linear-gradient(90deg, var(--violet-600), var(--violet-400));
    border-radius: 16px 16px 0 0; opacity: 0; transition: opacity .35s;
}
.hl-card:hover { transform: translateY(-5px); border-color: var(--border-lit); box-shadow: 0 14px 38px rgba(0,0,0,.3); }
.hl-card:hover::before { opacity: 1; }

.hl-icon {
    width: 50px; height: 50px; border-radius: 12px;
    background: linear-gradient(135deg,var(--violet-600),var(--violet-500));
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px; font-size: 1.3rem; color: #fff;
}

.hl-card h3 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 700; }
.hl-card p { color: var(--gray-300); line-height: 1.65; font-size: .9rem; }
.hl-card p strong { color: var(--white); }

/* ---------- Q&A ---------- */
.qa-section { background: var(--bg-800); }

.qa-list { max-width: 740px; margin: 0 auto; }

.qa-item { border-bottom: 1px solid var(--border-dim); }

.qa-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; cursor: pointer; transition: color .25s;
}
.qa-head:hover { color: var(--violet-400); }
.qa-head h3 { font-size: 1.02rem; font-weight: 600; padding-right: 14px; line-height: 1.4; }

.qa-arrow { color: var(--violet-400); font-size: .8rem; flex-shrink: 0; transition: transform .3s; }
.qa-item.on .qa-arrow { transform: rotate(180deg); }

.qa-body { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; }
.qa-item.on .qa-body { max-height: 400px; padding-bottom: 20px; }
.qa-body p { color: var(--gray-300); line-height: 1.7; font-size: .94rem; }
.qa-body p strong { color: var(--white); }

/* ---------- closing cta ---------- */
.closing {
    text-align: center; padding: 110px 0; position: relative; overflow: hidden;
    background: linear-gradient(180deg, var(--bg-900) 0%, var(--bg-800) 100%);
}
.closing::before {
    content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(138,92,246,.1) 0%, transparent 60%);
    pointer-events: none;
}
.closing-inner { max-width: 640px; margin: 0 auto; position: relative; z-index: 1; }
.closing-title { font-size: 2.4rem; margin-bottom: 16px; font-weight: 800; line-height: 1.15; }
.closing p { font-size: 1.08rem; color: var(--gray-300); margin-bottom: 30px; line-height: 1.7; }
.closing p strong { color: var(--white); }
.closing-note { margin-top: 16px; font-size: .84rem; color: var(--gray-500); }

/* ---------- bottom ---------- */
.bottom-bar {
    background: var(--bg-800); padding: 50px 0 28px; border-top: 1px solid var(--border-dim);
}
.bottom-upper {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 40px; margin-bottom: 32px; flex-wrap: wrap;
}
.bottom-logo { font-size: 1.4rem; font-weight: 800; }
.bottom-logo p { font-size: .84rem; color: var(--gray-500); margin-top: 6px; font-weight: 400; }

.bottom-nav { display: flex; gap: 36px; flex-wrap: wrap; }
.bottom-nav a { font-size: .84rem; color: var(--gray-300); transition: color .25s; }
.bottom-nav a:hover { color: var(--violet-400); }

.bottom-notice {
    background: rgba(138,92,246,.04); border: 1px solid var(--border-dim);
    border-radius: 8px; padding: 14px 18px; margin-bottom: 24px;
}
.bottom-notice p { font-size: .78rem; color: var(--gray-500); line-height: 1.55; }

.bottom-copy {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 20px; border-top: 1px solid var(--border-dim);
}
.bottom-copy p { font-size: .78rem; color: var(--gray-500); }

/* ---------- reveal ---------- */
.reveal {
    opacity: 0; transform: translateY(20px);
    transition: opacity .55s ease, transform .55s ease;
}
.reveal.shown { opacity: 1; transform: none; }