:root {
    color-scheme: dark;
    --bg: #07101e;
    --bg-2: #0c1d35;
    --panel: rgba(13, 30, 56, 0.86);
    --line: rgba(128, 174, 227, 0.22);
    --text: #eef7ff;
    --muted: #95b0cb;
    --cyan: #63e6ff;
    --blue: #4ea3ff;
    --green: #5df3a2;
    --red: #ff6d80;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--text);
    font-family: ui-sans-serif, "Avenir Next", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(78, 163, 255, 0.2), transparent 26rem),
        radial-gradient(circle at top right, rgba(99, 230, 255, 0.12), transparent 22rem),
        linear-gradient(145deg, var(--bg), var(--bg-2) 58%, #03070e);
}

.shell { min-height: 100vh; padding: 28px; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 26px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    color: inherit;
    text-decoration: none;
}
.brand img { width: 170px; height: auto; display: block; }
.brand small, .subtle, .lead, .empty { color: var(--muted); }
.nav { display: flex; gap: 12px; flex-wrap: wrap; }
.nav a, .ghost-button, .button, button {
    padding: 11px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(9, 19, 34, 0.38);
    color: var(--text);
    text-decoration: none;
    font: inherit;
    font-weight: 760;
}
.button, button {
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #04111c;
    border: 0;
}
.main { width: min(1160px, 100%); margin: 0 auto; }
.hero, .card, .info-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(18, 41, 72, 0.9), rgba(8, 20, 38, 0.94));
    box-shadow: var(--shadow);
}
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 22px;
    padding: 28px;
    margin-bottom: 22px;
}
.compact-hero { grid-template-columns: minmax(0, 1fr) 240px; }
.hero h1 { margin: 0 0 12px; font-size: clamp(36px, 5vw, 58px); letter-spacing: -0.05em; }
.eyebrow {
    margin: 0 0 8px;
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.lead { line-height: 1.7; font-size: 17px; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.card { padding: 24px; margin-bottom: 20px; }
.card-heading { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; align-items: start; }
.card h2 { margin: 0 0 8px; letter-spacing: -0.04em; }
.form-card { max-width: 620px; margin: 40px auto 0; }
.stack { display: grid; gap: 16px; }
label span { display: block; margin-bottom: 8px; color: var(--muted); font-weight: 700; }
input {
    width: 100%;
    padding: 13px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: rgba(5, 10, 18, 0.8);
    color: var(--text);
    font: inherit;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; }
.inline-button { padding: 7px 11px; font-size: 14px; }
.notice {
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    margin-bottom: 18px;
}
.notice.success { color: var(--green); background: rgba(93, 243, 162, 0.08); }
.notice.danger { color: var(--red); background: rgba(255, 109, 128, 0.08); }
.plain-list { margin: 0; padding-left: 18px; line-height: 1.8; }

@media (max-width: 900px) {
    .shell { padding: 18px; }
    .topbar, .hero, .compact-hero { grid-template-columns: 1fr; display: grid; }
}

html { scroll-behavior: smooth; }
.nav-download { border-color: rgba(99,230,255,.55) !important; color: var(--cyan) !important; }
.download-hero { min-height: 610px; display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.55fr);gap:34px;align-items:center;padding:72px 48px;margin-bottom:28px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,rgba(18,49,84,.92),rgba(5,17,33,.97));box-shadow:var(--shadow);overflow:hidden;position:relative; }
.download-hero::after { content:"LP";position:absolute;right:-38px;bottom:-110px;font-size:330px;font-weight:950;letter-spacing:-.12em;color:rgba(99,230,255,.035);pointer-events:none; }
.hero-copy { position:relative;z-index:1; }
.download-hero h1 { margin:12px 0 22px;font-size:clamp(48px,7vw,82px);line-height:.98;letter-spacing:-.065em; }
.download-hero h1 span { color:var(--cyan); }
.download-hero .lead { max-width:760px;font-size:19px; }
.download-button { display:inline-flex;align-items:center;padding:14px 20px;box-shadow:0 12px 32px rgba(78,163,255,.24); }
.download-meta { color:#7897b2;font-size:13px;margin:16px 0 0; }
.release-card { position:relative;z-index:1;padding:28px;border:1px solid rgba(99,230,255,.25);border-radius:18px;background:rgba(3,12,24,.72);backdrop-filter:blur(12px); }
.release-card h2 { margin:18px 0 10px;font-size:30px;letter-spacing:-.04em; }
.release-card p { color:var(--muted);line-height:1.6; }
.release-badge { display:inline-block;padding:7px 10px;border-radius:999px;background:rgba(93,243,162,.1);color:var(--green);font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase; }
.release-card dl { margin:22px 0 0; }
.release-card dl div { display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line); }
.release-card dt { color:var(--muted); }.release-card dd{margin:0;font-weight:800;}
.section { padding:62px 0; }
.section-heading { max-width:780px;margin-bottom:28px; }
.section-heading h2,.final-cta h2 { margin:7px 0 0;font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.055em; }
.feature-grid { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px; }
.feature-grid article { padding:28px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(18,41,72,.72),rgba(8,20,38,.86)); }
.feature-number { color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.14em; }
.feature-grid h3 { margin:30px 0 9px;font-size:25px;letter-spacing:-.03em; }
.feature-grid p,.install-steps p { color:var(--muted);line-height:1.65;margin-bottom:0; }
.install-section { border-top:1px solid var(--line); }
.install-steps { list-style:none;padding:0;margin:34px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px; }
.install-steps li { display:flex;gap:18px;padding:24px;border:1px solid var(--line);border-radius:16px;background:rgba(9,24,44,.65); }
.install-steps>li>span { flex:0 0 42px;height:42px;display:grid;place-items:center;border-radius:12px;background:rgba(99,230,255,.1);color:var(--cyan);font-weight:900; }
.install-steps h3 { margin:2px 0 5px;font-size:20px; }
.checksum-card { display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px;border:1px solid var(--line);border-radius:14px;background:#050f1d; }
.checksum-card code { display:block;max-width:760px;overflow-wrap:anywhere;color:#bdefff; }
.final-cta { display:flex;justify-content:space-between;align-items:center;gap:28px;padding:40px;margin:18px 0 42px;border:1px solid rgba(99,230,255,.3);border-radius:20px;background:linear-gradient(120deg,rgba(20,65,103,.8),rgba(7,24,43,.92)); }
@media(max-width:900px){.download-hero{grid-template-columns:1fr;padding:40px 24px}.feature-grid,.install-steps{grid-template-columns:1fr}.checksum-card,.final-cta{align-items:flex-start;flex-direction:column}.brand span{display:none}}