:root {
  color-scheme: dark;
  --text-primary: oklch(0.97 0.01 300);
  --text-secondary: oklch(0.76 0.04 295);
  --text-muted: oklch(0.58 0.05 290);
  --glass: oklch(0.17 0.07 288 / 0.55);
  --glass-strong: oklch(0.12 0.06 288 / 0.78);
  --inset: oklch(0.09 0.05 285 / 0.6);
  --hairline: oklch(0.82 0.12 295 / 0.14);
  --ok: oklch(0.78 0.16 165);
  --warn: oklch(0.82 0.14 80);
  --accent: oklch(0.62 0.24 285);
  --glow: oklch(0.9 0.09 320);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(52% 40% at 4% 30%, oklch(0.66 0.24 295 / 0.34), transparent 70%),
    radial-gradient(48% 30% at 60% 0%, oklch(0.5 0.24 280 / 0.3), transparent 75%),
    radial-gradient(50% 30% at 100% 70%, oklch(0.42 0.22 285 / 0.3), transparent 75%),
    oklch(0.065 0.035 285);
  background-attachment: fixed;
}

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

.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

header.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: oklch(0.065 0.035 285 / 0.6);
  border-bottom: 1px solid var(--hairline);
}

.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; align-items: center; gap: 22px; color: var(--text-secondary); font-size: 14px; }
.nav-links a { transition: color 0.2s ease; }
.nav-links a:hover { color: var(--text-primary); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: oklch(1 0 0 / 0.05);
  font-weight: 500;
  transition: background-color 0.2s ease, filter 0.2s ease, transform 0.2s ease;
}
.btn:hover { background: oklch(1 0 0 / 0.1); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.25), 0 8px 30px oklch(0.55 0.25 285 / 0.45); }
.btn.primary:hover { filter: brightness(1.1); background: var(--accent); }
.btn.small { padding: 8px 16px; font-size: 14px; }

.hero { padding: 88px 0 56px; text-align: center; }
.hero img.icon { width: 112px; height: 112px; filter: drop-shadow(0 20px 50px oklch(0.55 0.25 285 / 0.6)); animation: float 7s ease-in-out infinite; }
.hero h1 { margin: 28px 0 0; font-size: clamp(40px, 7vw, 76px); line-height: 1.04; letter-spacing: -0.03em; font-weight: 600; }
.hero h1 span { background: linear-gradient(120deg, var(--glow), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { margin: 22px auto 0; max-width: 620px; font-size: 19px; color: var(--text-secondary); }
.cta { margin-top: 34px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.note { margin-top: 16px; font-size: 13px; color: var(--text-muted); }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.window {
  margin: 56px auto 0;
  max-width: 1040px;
  border-radius: 22px;
  border: 1px solid var(--hairline);
  background: oklch(0.07 0.04 285 / 0.82);
  box-shadow: 0 40px 120px oklch(0.4 0.25 285 / 0.35), inset 0 1px 0 oklch(1 0 0 / 0.06);
  overflow: hidden;
  text-align: left;
}
.window-bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #ff5f57; } .dot.y { background: #febc2e; } .dot.g { background: #28c840; }
.tabs { margin: 0 auto; display: flex; gap: 4px; padding: 4px; border-radius: 999px; border: 1px solid var(--hairline); background: var(--glass-strong); font-size: 13px; }
.tabs span { padding: 6px 14px; border-radius: 999px; color: var(--text-secondary); }
.tabs span.on { background: oklch(0.5 0.2 285 / 0.5); color: var(--text-primary); }
.window-body { display: grid; grid-template-columns: repeat(12, 1fr); gap: 12px; padding: 4px 18px 18px; }

.tile {
  border-radius: 22px;
  border: 1px solid var(--hairline);
  background: var(--glass);
  padding: 16px;
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.06);
}
.tile h3 { margin: 0 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 400; color: var(--text-secondary); white-space: nowrap; }
.pill { padding: 2px 9px; border-radius: 999px; border: 1px solid var(--hairline); background: var(--inset); font-size: 11px; white-space: nowrap; }
.pill.ok { color: var(--ok); }
.big { font-size: 44px; font-weight: 500; line-height: 1; letter-spacing: -0.02em; }
.big small { margin-left: 4px; font-size: 20px; color: var(--text-secondary); }
.meter { height: 6px; border-radius: 999px; background: oklch(1 0 0 / 0.1); overflow: hidden; margin-top: 14px; }
.meter i { display: block; height: 100%; border-radius: 999px; background: var(--accent); }
.muted { color: var(--text-secondary); font-size: 12px; margin-top: 8px; }
.span4 { grid-column: span 4; } .span5 { grid-column: span 5; } .span7 { grid-column: span 7; } .span8 { grid-column: span 8; }

.row { display: flex; align-items: center; gap: 14px; padding: 10px 14px; margin-bottom: 8px; border-radius: 16px; background: oklch(1 0 0 / 0.04); }
.row b { width: 56px; font-size: 20px; font-weight: 500; }
.row div { flex: 1; min-width: 0; font-size: 13px; }
.row div span { display: block; font-size: 11px; color: var(--text-secondary); }

section.block { padding: 84px 0 0; }
.eyebrow { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
section.block h2 { margin: 10px 0 0; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.1; letter-spacing: -0.025em; font-weight: 600; max-width: 720px; }
section.block p.sub { margin: 16px 0 0; max-width: 600px; color: var(--text-secondary); }

.grid3 { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature { padding: 26px; border-radius: 24px; border: 1px solid var(--hairline); background: var(--glass); box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.06); transition: transform 0.25s ease, border-color 0.25s ease; }
.feature:hover { transform: translateY(-3px); border-color: oklch(0.82 0.12 295 / 0.3); }
.feature .ico { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; font-size: 20px; background: oklch(0.5 0.2 285 / 0.35); box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.2); }
.feature h3 { margin: 18px 0 6px; font-size: 18px; font-weight: 600; }
.feature p { margin: 0; color: var(--text-secondary); font-size: 15px; }

.steps { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
.step { padding: 24px; border-radius: 24px; border: 1px solid var(--hairline); background: var(--glass); }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); font-size: 14px; font-weight: 600; }
.step h3 { margin: 16px 0 6px; font-size: 17px; font-weight: 600; }
.step p { margin: 0; font-size: 14px; color: var(--text-secondary); }

.final { margin: 96px auto 0; padding: 56px 32px; text-align: center; border-radius: 32px; border: 1px solid var(--hairline); background: radial-gradient(70% 90% at 50% 0%, oklch(0.5 0.24 285 / 0.4), transparent 70%), var(--glass); }
.final h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.025em; }
.final p { color: var(--text-secondary); margin: 12px 0 28px; }

footer { padding: 56px 0 48px; color: var(--text-muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a:hover { color: var(--text-primary); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; padding: 2px 7px; border-radius: 8px; background: var(--inset); border: 1px solid var(--hairline); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

.tag { font-size: 0.5em; vertical-align: middle; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--hairline); background: var(--inset); color: var(--text-secondary); font-weight: 500; letter-spacing: 0; }
.downloads { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.dl { display: flex; flex-direction: column; gap: 4px; padding: 24px; border-radius: 24px; border: 1px solid var(--hairline); background: var(--glass); box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.06); transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease; }
.dl:hover { transform: translateY(-3px); border-color: oklch(0.82 0.12 295 / 0.35); }
.dl b { font-size: 20px; font-weight: 600; }
.dl span { color: var(--text-secondary); font-size: 14px; }
.dl.suggested { border-color: oklch(0.7 0.2 285 / 0.55); background: radial-gradient(90% 120% at 50% 0%, oklch(0.5 0.24 285 / 0.4), transparent 70%), var(--glass); }
.versions { margin-top: 28px; padding: 22px 24px; border-radius: 24px; border: 1px solid var(--hairline); background: var(--glass); }
.versions-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.versions-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.versions-head a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s ease; }
.versions-head a:hover { color: var(--text-primary); }
.versions ul { list-style: none; margin: 0; padding: 0; }
.versions li { display: grid; grid-template-columns: 150px 130px 1fr; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--hairline); font-size: 14px; }
.versions li.muted-row { display: block; color: var(--text-secondary); }
.versions .ver { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.versions .ver em { font-style: normal; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: oklch(0.5 0.2 285 / 0.4); color: var(--text-primary); }
.versions .when { color: var(--text-muted); }
.versions .files { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.versions .files a { color: var(--text-secondary); text-decoration: underline; text-decoration-color: var(--hairline); text-underline-offset: 3px; transition: color 0.2s ease; }
.versions .files a:hover { color: var(--text-primary); }

@media (max-width: 860px) {
  .downloads { grid-template-columns: 1fr; }
  .versions li { grid-template-columns: 1fr; gap: 4px; }
  .grid3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .window-body > * { grid-column: span 12 !important; }
  .nav-links a.hide-sm { display: none; }
  .tabs { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero img.icon { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

.rows { margin-top: 48px; display: flex; flex-direction: column; gap: 56px; }
.frow { display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; align-items: center; }
.frow.flip .fvisual { order: -1; }
.kicker { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.ftext h3 { margin: 10px 0 12px; font-size: clamp(24px, 3vw, 32px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
.ftext p { margin: 0; color: var(--text-secondary); }
.ticks { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 15px; }
.ticks li { position: relative; padding-left: 26px; color: var(--text-primary); }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 600; }
.more { margin-top: 56px; }
.fvisual { min-width: 0; }
.mock { padding: 18px; font-size: 13px; box-shadow: 0 30px 80px oklch(0.4 0.25 285 / 0.25), inset 0 1px 0 oklch(1 0 0 / 0.06); }
.mock h3 { color: var(--text-primary); font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.mock .mini { margin: 12px 0 6px; font-size: 13px; }
.mock .dimmed { color: var(--text-muted); font-size: 12px; margin: 8px 0 14px; }
.mbtn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--hairline); background: oklch(1 0 0 / 0.05); font-size: 12px; white-space: nowrap; }
.mbtn.primary { background: var(--accent); border-color: transparent; color: #fff; }
.mbtn.danger { color: oklch(0.8 0.14 20); }
.mbtn.wide { width: 100%; justify-content: center; padding: 9px 14px; margin-top: 12px; }
.mbtn .tag { font-style: normal; font-size: 10px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--hairline); color: var(--text-secondary); }
.sync { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; border-radius: 16px; border: 1px solid var(--hairline); background: var(--inset); line-height: 1.4; }
.sync span { display: block; margin-top: 3px; font-size: 11px; color: var(--text-secondary); }
.steps-mini { margin-top: 14px; display: grid; gap: 8px; color: var(--text-secondary); }
.steps-mini i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 10px; background: oklch(1 0 0 / 0.25); }
.steps-mini i.ok { background: var(--ok); }
.steps-mini i.run { background: var(--accent); box-shadow: 0 0 0 4px oklch(0.62 0.24 285 / 0.25); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px oklch(0.62 0.24 285 / 0.05); } }
.proj { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.proj div { flex: 1; min-width: 0; font-size: 13px; }
.proj div span { display: block; font-size: 11px; color: var(--text-secondary); }
.avatar { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-weight: 600; background: oklch(0.34 0.12 250); color: oklch(0.9 0.08 250); }
.btnrow { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; margin: -2px 0 10px; }
.mock .row b { width: 52px; font-size: 18px; }
.sess { display: flex; align-items: center; gap: 10px; padding: 9px 12px; margin-bottom: 8px; border-radius: 12px; background: var(--inset); }
.sess span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sess em { font-style: normal; font-size: 11px; color: var(--text-secondary); white-space: nowrap; }
.term { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: oklch(0.05 0.03 285); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; line-height: 1.7; }
.term b { color: var(--ok); margin-right: 6px; }
.term .dim { color: var(--text-muted); }
.seg { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; border: 1px solid var(--hairline); background: var(--inset); }
.seg span { padding: 5px 14px; border-radius: 999px; color: var(--text-secondary); }
.seg span.on { background: oklch(0.5 0.2 285 / 0.5); color: var(--text-primary); }
.holdrow { display: flex; gap: 8px; }
.holdrow .mbtn { flex: 1; justify-content: center; padding: 9px 14px; }
.mbtn.hold { position: relative; overflow: hidden; background: oklch(0.6 0.2 20 / 0.85); border-color: transparent; color: #fff; }
.mbtn.hold i { position: absolute; inset: 0; background: oklch(0 0 0 / 0.35); transform-origin: left; transform: scaleX(0.4); animation: hold 3.2s ease-in-out infinite; }
.mbtn.hold span { position: relative; }
@keyframes hold { 0% { transform: scaleX(0); } 70%, 100% { transform: scaleX(1); } }

@media (max-width: 860px) {
  .frow, .frow.flip { grid-template-columns: 1fr; gap: 22px; }
  .frow.flip .fvisual { order: 0; }
  .sync { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .steps-mini i.run, .mbtn.hold i { animation: none; }
}