/* Project website. One stylesheet for every page. No external fonts or assets. */

/* ------------------------------------------------------------------ tokens */
:root {
  color-scheme: light;
  --bg: #fafaf9;
  --bg-soft: #f3f3f1;
  --bg-sunk: #eeeeeb;
  --card: #ffffff;
  --card-2: #fbfbfa;
  --border: #e6e5e1;
  --border-strong: #d4d3ce;
  --text: #18181b;
  --text-2: #3f3f46;
  --muted: #5f5f68;
  --faint: #8b8b94;
  --accent: #6d5dfc;
  --accent-ink: #5847f0;
  --accent-text: #4f3fe0;
  --accent-soft: rgba(109, 93, 252, .1);
  --accent-softer: rgba(109, 93, 252, .06);
  --on-accent: #ffffff;
  --primary: #5b4cf5;
  --primary-hover: #4c3ce6;
  --ok: #16a34a;
  --warn: #b45309;
  --warn-soft: rgba(245, 158, 11, .12);
  --danger: #dc2626;
  --code-bg: #f4f4f1;
  --code-text: #2b2b31;
  --shadow-sm: 0 1px 2px rgba(16, 16, 24, .05);
  --shadow: 0 1px 2px rgba(16, 16, 24, .04), 0 12px 32px -12px rgba(16, 16, 24, .16);
  --shadow-lg: 0 2px 6px rgba(16, 16, 24, .05), 0 40px 80px -32px rgba(40, 30, 120, .28);
  --header-bg: rgba(250, 250, 249, .78);
  --grid-line: rgba(24, 24, 27, .055);
  --glow-1: rgba(109, 93, 252, .20);
  --glow-2: rgba(224, 86, 155, .12);
  --k-link: #2563eb; --k-code: #9333ea; --k-text: #57534e; --k-color: #db2777;
  --k-contact: #0d9488; --k-image: #ea580c; --k-file: #ca8a04; --k-secret: #dc2626;
  --radius: 14px;
  --radius-lg: 20px;
  --font: ui-sans-serif, "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-display: ui-sans-serif, "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --header-h: 64px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b0d12;
    --bg-soft: #0f1218;
    --bg-sunk: #090b0f;
    --card: #13161e;
    --card-2: #161a23;
    --border: #232835;
    --border-strong: #323949;
    --text: #ecedf1;
    --text-2: #c9ccd5;
    --muted: #9aa0ad;
    --faint: #6f7686;
    --accent: #8b7dff;
    --accent-ink: #9d91ff;
    --accent-text: #a89dff;
    --accent-soft: rgba(139, 125, 255, .15);
    --accent-softer: rgba(139, 125, 255, .07);
    --on-accent: #0b0d12;
    --primary: #8b7dff;
    --primary-hover: #a094ff;
    --ok: #4ade80;
    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, .1);
    --danger: #f87171;
    --code-bg: #0e1118;
    --code-text: #d9dce4;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 18px 40px -16px rgba(0, 0, 0, .6);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 50px 100px -30px rgba(0, 0, 0, .8);
    --header-bg: rgba(11, 13, 18, .72);
    --grid-line: rgba(236, 237, 241, .045);
    --glow-1: rgba(139, 125, 255, .22);
    --glow-2: rgba(224, 86, 155, .10);
    --k-link: #60a5fa; --k-code: #c084fc; --k-text: #a8a29e; --k-color: #f472b6;
    --k-contact: #2dd4bf; --k-image: #fb923c; --k-file: #facc15; --k-secret: #f87171;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d12;
  --bg-soft: #0f1218;
  --bg-sunk: #090b0f;
  --card: #13161e;
  --card-2: #161a23;
  --border: #232835;
  --border-strong: #323949;
  --text: #ecedf1;
  --text-2: #c9ccd5;
  --muted: #9aa0ad;
  --faint: #6f7686;
  --accent: #8b7dff;
  --accent-ink: #9d91ff;
  --accent-text: #a89dff;
  --accent-soft: rgba(139, 125, 255, .15);
  --accent-softer: rgba(139, 125, 255, .07);
  --on-accent: #0b0d12;
  --primary: #8b7dff;
  --primary-hover: #a094ff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, .1);
  --danger: #f87171;
  --code-bg: #0e1118;
  --code-text: #d9dce4;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 18px 40px -16px rgba(0, 0, 0, .6);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 50px 100px -30px rgba(0, 0, 0, .8);
  --header-bg: rgba(11, 13, 18, .72);
  --grid-line: rgba(236, 237, 241, .045);
  --glow-1: rgba(139, 125, 255, .22);
  --glow-2: rgba(224, 86, 155, .10);
  --k-link: #60a5fa; --k-code: #c084fc; --k-text: #a8a29e; --k-color: #f472b6;
  --k-contact: #2dd4bf; --k-image: #fb923c; --k-file: #facc15; --k-secret: #f87171;
}

/* Theme-paired images: show the one matching the active theme. */
.only-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .only-dark { display: block !important; }
  :root:not([data-theme="light"]) .only-light { display: none !important; }
}
:root[data-theme="dark"] .only-dark { display: block !important; }
:root[data-theme="dark"] .only-light { display: none !important; }

/* -------------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
img { height: auto; }
a { color: inherit; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); }
code, kbd, pre, .mono { font-family: var(--mono); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 100; padding: 8px 14px; border-radius: 10px; background: var(--text); color: var(--bg); font-weight: 600; text-decoration: none; transition: top .15s; }
.skip:focus { top: 12px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

/* ------------------------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: var(--header-bg); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.site-header.scrolled, .docs-page .site-header { border-bottom-color: var(--border); }
.site-header .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }
.site-header.wide .wrap { max-width: 1440px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 680; font-size: 17px; letter-spacing: -.015em; text-decoration: none; flex: none; }
.brand svg { width: 28px; height: 28px; }
.brand .tag-alpha { font-size: 11px; font-weight: 650; letter-spacing: .02em; color: var(--accent-text); background: var(--accent-soft); padding: 1px 7px; border-radius: 999px; }
.nav { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav a { padding: 7px 12px; border-radius: 9px; text-decoration: none; color: var(--muted); font-size: 14.5px; font-weight: 520; transition: color .15s, background .15s; }
.nav a:hover { color: var(--text); background: var(--bg-soft); }
.nav a[aria-current="page"] { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.icon-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid transparent; background: transparent; color: var(--muted); cursor: pointer; text-decoration: none;
  transition: color .15s, background .15s, border-color .15s;
}
.icon-btn:hover { color: var(--text); background: var(--bg-soft); }
.icon-btn svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-toggle .moon { display: block; } :root:not([data-theme="light"]) .theme-toggle .sun { display: none; } }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
.menu-btn { display: none; }
.mobile-nav { display: none; }

/* ----------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 16px; border-radius: 11px;
  font-weight: 580; font-size: 15px; line-height: 1.2; text-decoration: none; border: 1px solid var(--border); white-space: nowrap;
  background: var(--card); color: var(--text); cursor: pointer; box-shadow: var(--shadow-sm);
  transition: transform .15s ease, border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.btn:active { transform: none; }
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: transparent; box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 8px 20px -8px var(--accent); }
:root[data-theme="dark"] .btn-primary { color: #0b0d12; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-primary, :root:not([data-theme="light"]) .mobile-nav a.btn { color: #0b0d12; } }
.btn-primary:hover { background: var(--primary-hover); border-color: transparent; }
.btn-dark { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn-ghost { background: transparent; border-color: transparent; box-shadow: none; }
.btn-ghost:hover { background: var(--bg-soft); border-color: transparent; }
.btn-sm { min-height: 34px; padding: 6px 12px; font-size: 14px; border-radius: 9px; }
.btn-lg { min-height: 48px; padding: 12px 22px; font-size: 16px; border-radius: 13px; }
.btn .sub { font-weight: 450; opacity: .75; font-size: .88em; }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }

/* ------------------------------------------------------------ small parts */
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-text); font-size: 13.5px; font-weight: 600; text-decoration: none;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); animation: pulse 2s ease-in-out infinite; }
.badge .arrow { opacity: .7; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 3px 11px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--card); white-space: nowrap; }
.pill b { color: var(--text); font-weight: 600; }
.pill .ok { color: var(--ok); }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; vertical-align: middle; }
.chip-accent { background: var(--accent-soft); color: var(--accent-text); }
.chip-warn { background: var(--warn-soft); color: var(--warn); }
.chip-ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.chip-muted { background: var(--bg-soft); color: var(--muted); border: 1px solid var(--border); }
kbd {
  display: inline-flex; align-items: center; justify-content: center; min-width: 1.7em; height: 1.65em; padding: 0 .45em;
  font-size: .82em; font-weight: 560; line-height: 1; color: var(--text-2); background: var(--card);
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 6px; white-space: nowrap; vertical-align: .08em;
}
.keys { display: inline-flex; gap: 3px; align-items: center; flex-wrap: wrap; }
.keys .or { font-size: 12px; color: var(--faint); margin: 0 3px; }
.kind { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px 6px 9px; border-radius: 10px; font-size: 14px; font-weight: 560; background: color-mix(in srgb, var(--c) 11%, transparent); color: var(--c); }
.kind svg { width: 16px; height: 16px; }
.k-link { --c: var(--k-link); } .k-code { --c: var(--k-code); } .k-text { --c: var(--k-text); } .k-color { --c: var(--k-color); }
.k-contact { --c: var(--k-contact); } .k-image { --c: var(--k-image); } .k-file { --c: var(--k-file); } .k-secret { --c: var(--k-secret); }

/* ----------------------------------------------------------------- layout */
.section { padding: 104px 0; position: relative; }
.section-tight { padding: 72px 0; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.eyebrow { display: inline-block; color: var(--accent-text); font-weight: 650; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.h1 { font-size: clamp(40px, 6.4vw, 72px); line-height: 1.02; letter-spacing: -.04em; margin: 22px 0 20px; font-weight: 740; }
.h2 { font-size: clamp(30px, 4.2vw, 46px); letter-spacing: -.032em; line-height: 1.08; margin: 12px 0 16px; font-weight: 720; }
.h3 { font-size: 20px; letter-spacing: -.015em; line-height: 1.25; margin: 0 0 8px; font-weight: 650; }
.lede { font-size: clamp(17px, 1.6vw, 19.5px); color: var(--muted); max-width: 600px; margin: 0; line-height: 1.6; }
.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .lede { margin: 0 auto; }
.grad { background: linear-gradient(100deg, var(--accent) 5%, #e0569b 55%, #f59e0b 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-head { padding: 72px 0 40px; }
.page-head .lede { max-width: 680px; }

/* -------------------------------------------------------------------- hero */
.hero { position: relative; padding: 72px 0 0; overflow: hidden; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px; background-position: center -1px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; z-index: -1; left: 50%; top: -260px; width: 1200px; height: 760px; transform: translateX(-50%);
  background: radial-gradient(closest-side, var(--glow-1), transparent 70%), radial-gradient(closest-side at 75% 40%, var(--glow-2), transparent 70%);
  pointer-events: none;
}
.hero-copy { text-align: center; max-width: 860px; margin: 0 auto; }
.hero-copy .lede { margin: 0 auto; max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 34px 0 14px; }
.hero-note { font-size: 13.5px; color: var(--faint); margin: 0; }
.hero-note a { color: var(--muted); }
.platform-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }

.showcase { position: relative; margin: 64px auto 0; max-width: 1080px; padding: 0 0 96px; }
.window {
  position: relative; border-radius: 16px; overflow: hidden; background: var(--card);
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.window img { display: block; width: 100%; }
.showcase .window-main { transform: perspective(2400px) rotateX(4deg); transform-origin: 50% 100%; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.showcase:hover .window-main { transform: none; }
.showcase .window-float {
  position: absolute; right: -36px; bottom: 48px; width: 44%; border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
}
.showcase .window-float img { display: block; width: 100%; }
.showcase-fade { height: 120px; margin-top: -120px; position: relative; background: linear-gradient(transparent, var(--bg)); pointer-events: none; }
.callout-tag {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 12px;
  background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); font-size: 13px; font-weight: 600; white-space: nowrap;
}
.callout-tag svg { width: 15px; height: 15px; color: var(--accent); }
.callout-tag.t1 { left: -28px; top: 26%; }
.callout-tag.t2 { left: 6%; bottom: 74px; }

/* three-step strip */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.step .num { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-text); font-weight: 700; font-size: 13px; margin-bottom: 14px; }
.step h2, .step h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }
.step .keys { margin-top: 14px; font-size: 15px; }

/* ------------------------------------------------------------------- bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.tile {
  position: relative; grid-column: span 2; display: flex; flex-direction: column; overflow: hidden;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px;
  transition: border-color .2s ease, transform .2s ease;
}
.tile:hover { border-color: var(--border-strong); }
.tile.span-3 { grid-column: span 3; }
.tile.span-4 { grid-column: span 4; }
.tile.span-6 { grid-column: span 6; }
.tile .ico { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); margin-bottom: 18px; flex: none; }
.tile .ico svg { width: 20px; height: 20px; }
.tile h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -.015em; line-height: 1.25; }
.tile p { margin: 0; color: var(--muted); font-size: 15.5px; }
.tile .more { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--accent-text); text-decoration: none; }
.tile .more:hover { text-decoration: underline; }
.tile-media { margin: 24px -28px -28px; position: relative; flex: 1; display: flex; align-items: flex-end; min-height: 0; }
.tile-media .shot { width: 100%; border-top: 1px solid var(--border); display: block; }
.tile-media.inset { margin: 24px 0 -28px; justify-content: center; }
.tile-media.inset .shot { border: 1px solid var(--border); border-bottom: 0; border-radius: 12px 12px 0 0; box-shadow: var(--shadow); }
.kind-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.mini-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; font-size: 14.5px; color: var(--muted); }
.mini-list li { display: flex; gap: 10px; align-items: flex-start; }
.mini-list svg { width: 16px; height: 16px; color: var(--ok); flex: none; margin-top: 4px; }
.stat-row { display: flex; gap: 28px; margin-top: 22px; flex-wrap: wrap; }
.stat b { display: block; font-size: 26px; letter-spacing: -.03em; line-height: 1.1; font-family: var(--font-display); }
.stat span { font-size: 13px; color: var(--faint); }

/* heatmap mock */
.heat { display: grid; grid-template-columns: repeat(16, 1fr); grid-template-rows: repeat(7, 1fr); grid-auto-flow: column; gap: 4px; margin-top: 22px; max-width: 360px; }
.heat i { aspect-ratio: 1; border-radius: 3px; background: var(--bg-sunk); border: 1px solid var(--border); }
.heat i.l1 { background: color-mix(in srgb, var(--accent) 22%, transparent); border-color: transparent; }
.heat i.l2 { background: color-mix(in srgb, var(--accent) 45%, transparent); border-color: transparent; }
.heat i.l3 { background: color-mix(in srgb, var(--accent) 70%, transparent); border-color: transparent; }
.heat i.l4 { background: var(--accent); border-color: transparent; }

/* tray mock */
.tray-menu { margin-top: 22px; width: 100%; max-width: 280px; border: 1px solid var(--border); border-radius: 12px; background: var(--card-2); box-shadow: var(--shadow); padding: 6px; font-size: 13.5px; }
.tray-menu div { padding: 6px 10px; border-radius: 7px; display: flex; justify-content: space-between; gap: 10px; color: var(--text-2); }
.tray-menu div.sel { background: var(--accent-soft); color: var(--accent-text); }
.tray-menu hr { border: 0; border-top: 1px solid var(--border); margin: 5px 4px; }
.tray-menu .k { color: var(--faint); font-size: 12px; }

/* ----------------------------------------------------------- device flows */
.flows { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.flow { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.flow-track { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.device { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); font-weight: 560; flex: none; width: 74px; }
.device .dev-ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-2); }
.device .dev-ico svg { width: 24px; height: 24px; }
.wire { position: relative; flex: 1; height: 2px; margin-bottom: 22px; background: repeating-linear-gradient(90deg, var(--border-strong) 0 6px, transparent 6px 11px); border-radius: 2px; }
.wire .packet {
  position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%); display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 8px; background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow);
  color: var(--c, var(--accent)); animation: travel 3.2s cubic-bezier(.6,0,.4,1) infinite;
}
.wire .packet svg { width: 14px; height: 14px; }
.wire .lock { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 18px; height: 18px; border-radius: 6px; background: var(--bg); display: grid; place-items: center; color: var(--ok); }
.wire .lock svg { width: 12px; height: 12px; }
@keyframes travel { 0% { left: 0; opacity: 0; } 12% { opacity: 1; } 88% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.flow h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.01em; }
.flow p { margin: 0; color: var(--muted); font-size: 14.5px; }
.flow .chip { margin-top: 14px; }

/* ------------------------------------------------------------------ tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td, tr:last-child th { border-bottom: 0; }
thead th { font-size: 12.5px; color: var(--muted); font-weight: 650; background: var(--bg-soft); letter-spacing: .01em; vertical-align: bottom; }
tbody th { font-weight: 560; }
.compare { min-width: 680px; }
.compare th.us, .compare td.us { background: var(--accent-softer); }
.compare thead th.us { color: var(--accent-text); background: var(--accent-soft); }
.compare td, .compare th { text-align: center; }
.compare td:first-child, .compare th:first-child { text-align: left; }
.y { color: var(--ok); font-weight: 700; }
.n { color: var(--faint); }
.m { color: var(--muted); font-size: 13.5px; }
.matrix { min-width: 620px; }
.matrix td .chip { margin: 0; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; background: var(--faint); vertical-align: 1px; }
.status-dot.ok { background: var(--ok); }
.status-dot.beta { background: #3b82f6; }
.status-dot.soon { background: var(--accent); }
.status-dot.exp { background: #f59e0b; }

/* ------------------------------------------------------------------ privacy */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.checklist li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--border); color: var(--muted); }
.checklist li:last-child { border-bottom: 0; }
.checklist li b { color: var(--text); font-weight: 620; }
.checklist .chk { flex: none; width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); margin-top: 2px; }
.checklist .chk.todo { background: var(--warn-soft); color: var(--warn); }
.checklist .chk svg { width: 13px; height: 13px; }
.cipher-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); font-family: var(--mono); font-size: 13px; overflow: hidden; }
.cipher-card .row { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--border); }
.cipher-card .row:last-child { border-bottom: 0; }
.cipher-card .lbl { color: var(--faint); }
.cipher-card .val { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cipher-card .val.enc { color: var(--accent-text); }
.cipher-card .head { font-family: var(--font); font-weight: 650; font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.cipher-card .head svg { width: 16px; height: 16px; color: var(--ok); }
.chat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow); font-size: 15px; display: grid; gap: 12px; min-width: 0; }
.chat-card .head { font-family: var(--font); font-weight: 650; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.chat-card .head svg { width: 16px; height: 16px; color: var(--accent-text); }
.chat-card .msg { max-width: 92%; padding: 10px 14px; border-radius: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.chat-card .msg.you { justify-self: end; background: var(--accent-soft); color: var(--text); border-bottom-right-radius: 5px; }
.chat-card .msg.ai { justify-self: start; background: var(--bg-soft); color: var(--text-2); border-bottom-left-radius: 5px; }
.chat-card .tool { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--muted); border: 1px dashed var(--border-strong); border-radius: 10px; padding: 8px 12px; overflow-wrap: anywhere; }
.chat-card .tool svg { width: 14px; height: 14px; flex: none; margin-top: 3px; color: var(--faint); }
.chat-card code { font-size: .88em; }

/* --------------------------------------------------------------------- faq */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 20px; transition: border-color .2s; }
.faq details[open] { border-color: var(--border-strong); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 600; position: relative; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 2px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--faint); border-bottom: 2px solid var(--faint); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .a { padding: 0 0 18px; color: var(--muted); }
.faq .a p { margin: 0 0 10px; }
.faq .a p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------------------- final */
.final { position: relative; text-align: center; padding: 120px 0; overflow: hidden; isolation: isolate; }
.final::before { content: ""; position: absolute; inset: auto 0 -40% 0; height: 520px; z-index: -1; background: radial-gradient(ellipse 50% 60% at 50% 100%, var(--glow-1), transparent 70%); }
.final .lede { margin: 0 auto; }
.final .hero-cta { margin-top: 32px; }
.logo-big { width: 64px; height: 64px; margin: 0 auto 22px; display: block; filter: drop-shadow(0 12px 24px var(--glow-1)); }

/* ------------------------------------------------------------------ footer */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 40px; color: var(--muted); font-size: 14.5px; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.footer-grid h2 { font-size: 13px; font-weight: 650; color: var(--text); margin: 0 0 12px; letter-spacing: .01em; font-family: var(--font); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid a { text-decoration: none; color: var(--muted); }
.footer-grid a:hover { color: var(--text); }
.footer-brand p { margin: 12px 0 0; max-width: 300px; font-size: 14px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--border); font-size: 13px; color: var(--faint); }
.footer-bottom a { color: var(--muted); }

/* ---------------------------------------------------------------- download */
.dl-status { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 16px 20px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); margin-bottom: 28px; box-shadow: var(--shadow-sm); }
.dl-status .ico { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); flex: none; }
.dl-status .ico svg { width: 19px; height: 19px; }
.dl-status .txt { flex: 1; min-width: 220px; }
.dl-status .txt b { display: block; font-size: 15.5px; }
.dl-status .txt span { color: var(--muted); font-size: 14px; }
.dl-status .acts { display: flex; gap: 8px; flex-wrap: wrap; }
.dl-status.warn .ico { background: var(--warn-soft); color: var(--warn); }
.os-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.os-grid > *, .install-grid > *, .notes > *, .flows > *, .bento > *, .steps > * { min-width: 0; }
.os-card {
  position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px; transition: border-color .2s, box-shadow .2s;
}
.os-card.detected { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 0 0 4px var(--accent-softer), var(--shadow); }
.os-card .detected-tag { display: none; position: absolute; top: 18px; right: 18px; }
.os-card.detected .detected-tag { display: inline-flex; }
.os-card .os-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.os-card .os-logo { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-2); flex: none; }
.os-card .os-logo svg { width: 24px; height: 24px; }
.os-card h2 { margin: 0; font-size: 21px; letter-spacing: -.02em; }
.os-card .os-sub { font-size: 13.5px; color: var(--faint); }
.os-card > p { color: var(--muted); font-size: 15px; margin: 12px 0 18px; }
.assets { display: grid; gap: 8px; margin-top: auto; }
.asset {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); min-width: 0;
  background: var(--card-2); text-decoration: none; transition: border-color .15s, background .15s, transform .15s;
}
a.asset:hover { border-color: var(--accent); background: var(--accent-softer); transform: translateY(-1px); }
.asset.primary { background: var(--primary); border-color: transparent; color: #fff; }
:root[data-theme="dark"] .asset.primary { color: #0b0d12; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .asset.primary { color: #0b0d12; } }
a.asset.primary:hover { background: var(--primary-hover); }
.asset svg { width: 18px; height: 18px; flex: none; }
.asset .a-main { flex: 1; min-width: 0; }
.asset .a-name { display: block; font-weight: 600; font-size: 14.5px; }
.asset .a-meta { display: block; font-size: 12.5px; opacity: .72; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.asset.unavailable { opacity: .75; border-style: dashed; background: transparent; }
.skeleton { position: relative; overflow: hidden; background: var(--bg-soft); border-color: var(--border); }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--card) 80%, transparent), transparent); animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }
.sk-line { display: block; height: 10px; border-radius: 5px; background: var(--border); }
.term { background: #0d1017; color: #e6e8ee; border-radius: var(--radius); border: 1px solid #232835; overflow: hidden; }
.term-head { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid #232835; font-size: 12.5px; color: #8a91a1; }
.term-head i { width: 10px; height: 10px; border-radius: 50%; background: #2c3242; display: inline-block; }
.install-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.install-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.install-card h3 { margin: 0; font-size: 16px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.install-card p { margin: 0; font-size: 14px; color: var(--muted); }
.install-card pre { margin: auto 0 0; }
.notes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.note-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.note-card h3 { margin: 0 0 10px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.note-card h3 svg { width: 20px; height: 20px; color: var(--muted); }
.note-card ol, .note-card ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; display: grid; gap: 6px; }
.note-card p { color: var(--muted); font-size: 14.5px; margin: 0 0 10px; }
.note-card b, .note-card strong { color: var(--text); }
.req-table td:first-child { font-weight: 600; white-space: nowrap; }

/* -------------------------------------------------------------------- code */
pre {
  position: relative; margin: 0 0 20px; padding: 14px 16px; border-radius: 12px; background: var(--code-bg); color: var(--code-text);
  border: 1px solid var(--border); overflow-x: auto; font-size: 13.5px; line-height: 1.6; tab-size: 2;
}
pre code { font-size: inherit; background: none; padding: 0; border: 0; color: inherit; white-space: pre; }
.term pre { background: transparent; border: 0; color: #e6e8ee; margin: 0; border-radius: 0; }
pre .c { color: var(--faint); }
.term pre .c { color: #6f7686; }
pre .p { color: var(--accent-text); user-select: none; -webkit-user-select: none; }
.term pre .p { color: #8b7dff; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; padding: 4px 9px; border-radius: 7px; font-size: 12px; font-weight: 600; font-family: var(--font);
  border: 1px solid var(--border); background: var(--card); color: var(--muted); cursor: pointer; opacity: 0; transition: opacity .15s;
}
pre:hover .copy-btn, .copy-btn:focus-visible { opacity: 1; }
.term .copy-btn { background: #161a23; border-color: #2c3242; color: #aab1c0; }
@media (hover: none) { .copy-btn { opacity: 1; } }

/* ------------------------------------------------------------------- prose */
.prose { font-size: 16px; line-height: 1.72; color: var(--text-2); min-width: 0; }
.prose > :first-child { margin-top: 0; }
.prose h1 { font-size: clamp(32px, 4vw, 40px); letter-spacing: -.03em; line-height: 1.12; margin: 0 0 14px; color: var(--text); font-weight: 720; }
.prose .doc-lede { font-size: 18.5px; color: var(--muted); margin: 0 0 32px; line-height: 1.6; }
.prose h2 { font-size: 24px; letter-spacing: -.02em; line-height: 1.25; margin: 48px 0 14px; color: var(--text); font-weight: 680; padding-top: 4px; }
.prose h3 { font-size: 18px; letter-spacing: -.01em; margin: 32px 0 10px; color: var(--text); font-weight: 650; }
.prose h2 .anchor, .prose h3 .anchor { margin-left: 8px; color: var(--faint); text-decoration: none; opacity: 0; font-weight: 500; transition: opacity .15s; }
.prose h2:hover .anchor, .prose h3:hover .anchor, .prose .anchor:focus-visible { opacity: 1; }
.prose p { margin: 0 0 16px; }
.prose a { color: var(--accent-text); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: currentColor; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { margin: 5px 0; }
.prose li::marker { color: var(--faint); }
.prose strong { color: var(--text); font-weight: 620; }
.prose :not(pre) > code { font-size: .86em; padding: .12em .4em; border-radius: 6px; background: var(--code-bg); border: 1px solid var(--border); color: var(--code-text); word-break: break-word; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }
.prose table { font-size: 14.5px; }
.prose .table-wrap { margin: 0 0 22px; }
.prose th, .prose td { padding: 10px 14px; }
.prose td code { white-space: nowrap; }
.prose figure { margin: 24px 0 28px; }
.prose figure img { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.prose figcaption { font-size: 13.5px; color: var(--faint); margin-top: 10px; text-align: center; }
.prose ol.steps-list { counter-reset: s; list-style: none; padding-left: 0; }
.prose ol.steps-list > li { counter-increment: s; position: relative; padding-left: 44px; margin: 0 0 18px; }
.prose ol.steps-list > li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-text); font-weight: 700; font-size: 13.5px; }
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); margin: 0 0 20px; font-size: 15px; line-height: 1.6; }
.callout svg { width: 18px; height: 18px; flex: none; margin-top: 3px; }
.callout > div > :last-child { margin-bottom: 0; }
.callout p { margin: 0 0 8px; }
.callout.info { border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); background: var(--accent-softer); }
.callout.info svg { color: var(--accent-text); }
.callout.warn { border-color: color-mix(in srgb, #f59e0b 35%, var(--border)); background: var(--warn-soft); }
.callout.warn svg { color: var(--warn); }
.callout.ok svg { color: var(--ok); }
.def-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0 0 22px; }
.def { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; background: var(--card); }
.def b { display: flex; align-items: center; gap: 8px; color: var(--text); margin-bottom: 4px; }
.def p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.example { font-family: var(--mono); font-size: 13px; }
.example .from { color: var(--muted); }
.example .to { color: var(--text); }

/* -------------------------------------------------------------------- docs */
.docs-layout { display: grid; grid-template-columns: 252px minmax(0, 1fr) 216px; gap: 48px; max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.docs-side { position: sticky; top: var(--header-h); align-self: start; max-height: calc(100vh - var(--header-h)); overflow-y: auto; padding: 28px 4px 40px 0; scrollbar-width: thin; }
.docs-search { position: relative; margin-bottom: 18px; }
.docs-search input {
  width: 100%; height: 38px; padding: 0 12px 0 34px; border-radius: 10px; border: 1px solid var(--border); background: var(--card);
  color: var(--text); font: inherit; font-size: 14px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.docs-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.docs-search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--faint); pointer-events: none; }
.docs-search kbd { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 11px; }
.docs-nav h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); font-weight: 650; margin: 20px 0 6px 10px; font-family: var(--font); }
.docs-nav h2:first-child { margin-top: 0; }
.docs-nav ul { list-style: none; padding: 0; margin: 0; }
.docs-nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 14.5px; line-height: 1.4; transition: background .15s, color .15s; }
.docs-nav a:hover { color: var(--text); background: var(--bg-soft); }
.docs-nav a[aria-current="page"] { color: var(--accent-text); background: var(--accent-soft); font-weight: 600; }
.docs-nav .chip { font-size: 10.5px; padding: 1px 6px; }
.docs-nav .empty { display: none; padding: 8px 10px; font-size: 14px; color: var(--faint); }
.docs-main { padding: 44px 0 80px; min-width: 0; }
.docs-crumb { font-size: 13.5px; color: var(--faint); margin-bottom: 12px; }
.docs-crumb a { color: var(--muted); text-decoration: none; }
.docs-toc { position: sticky; top: var(--header-h); align-self: start; padding: 44px 0 40px; font-size: 13.5px; max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
.docs-toc h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); font-weight: 650; margin: 0 0 10px; font-family: var(--font); }
.docs-toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.docs-toc a { display: block; padding: 4px 0 4px 14px; margin-left: -1px; border-left: 1px solid transparent; text-decoration: none; color: var(--muted); line-height: 1.45; }
.docs-toc a.sub { padding-left: 26px; font-size: 13px; }
.docs-toc a:hover { color: var(--text); }
.docs-toc a.active { color: var(--accent-text); border-left-color: var(--accent); }
.docs-toc .toc-extra { margin-top: 22px; display: grid; gap: 8px; }
.docs-toc .toc-extra a { padding: 0; border: 0; display: inline-flex; gap: 6px; align-items: center; }
.docs-toc .toc-extra svg { width: 14px; height: 14px; }
.docs-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border); }
.docs-pager a { display: block; padding: 14px 18px; border-radius: 12px; border: 1px solid var(--border); text-decoration: none; background: var(--card); transition: border-color .15s; }
.docs-pager a:hover { border-color: var(--accent); }
.docs-pager .lbl { display: block; font-size: 12.5px; color: var(--faint); }
.docs-pager .ttl { display: block; font-weight: 620; color: var(--text); }
.docs-pager .next { text-align: right; grid-column: 2; }
.docs-edit { margin-top: 18px; font-size: 13.5px; color: var(--faint); }
.docs-edit a { color: var(--muted); }
.docs-menu-btn { display: none; }

/* ------------------------------------------------------------------- misc */
.legal { padding: 64px 0 96px; }
.legal .prose { max-width: 760px; }
.updated { font-size: 14px; color: var(--faint); margin-bottom: 28px; }
.changelog-entry { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 40px; padding: 40px 0; border-top: 1px solid var(--border); }
.changelog-entry:first-of-type { border-top: 0; padding-top: 8px; }
.changelog-meta { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.changelog-meta .ver { font-size: 22px; font-weight: 720; letter-spacing: -.02em; color: var(--text); font-family: var(--font-display); }
.changelog-meta .date { font-size: 14px; color: var(--faint); margin-top: 4px; }
.changelog-meta .chip { margin-top: 10px; }
.cl-group { margin-bottom: 28px; }
.cl-group h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 10px !important; font-size: 17px; }
.cl-group h3 .commit { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--faint); text-decoration: none; }
.notfound { min-height: calc(100vh - var(--header-h) - 220px); display: grid; place-items: center; text-align: center; padding: 80px 0; }
.notfound .code { font-family: var(--mono); font-size: 14px; color: var(--accent-text); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; display: inline-block; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.link-card { display: block; padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card); text-decoration: none; transition: border-color .15s, transform .15s; }
.link-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.link-card b { display: block; margin-bottom: 4px; color: var(--text); }
.link-card span { font-size: 14px; color: var(--muted); }
.prose .link-card { color: inherit; text-decoration: none; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1240px) {
  .docs-layout { grid-template-columns: 236px minmax(0, 1fr); gap: 40px; }
  .docs-toc { display: none; }
}
@media (max-width: 1100px) {
  .showcase .window-float { right: -8px; width: 42%; }
  .callout-tag.t1 { left: -8px; }
}
@media (max-width: 960px) {
  .nav { display: none; }
  .menu-btn { display: inline-grid; }
  .header-actions .btn-download { display: none; }
  .mobile-nav { position: fixed; inset: var(--header-h) 0 auto 0; z-index: 49; display: block; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); padding: 10px 16px 18px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s, visibility .18s; }
  .mobile-nav.open { opacity: 1; transform: none; visibility: visible; }
  .mobile-nav a { display: block; padding: 12px 10px; border-radius: 10px; text-decoration: none; font-weight: 560; color: var(--text-2); }
  .mobile-nav a:hover { background: var(--bg-soft); }
  .mobile-nav a.btn { display: flex; margin-top: 8px; width: 100%; min-height: 48px; color: #fff; }
  :root[data-theme="dark"] .mobile-nav a.btn { color: #0b0d12; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile, .tile.span-3, .tile.span-4 { grid-column: span 1; }
  .tile.span-6, .tile.wide-md { grid-column: span 2; }
  .flows, .steps, .install-grid, .cards-3 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .docs-side { position: static; max-height: none; overflow: visible; padding: 16px 0 0; }
  .js .docs-side .docs-nav { display: none; }
  .js .docs-side.open .docs-nav { display: block; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
  .js .docs-menu-btn { display: flex; width: 100%; justify-content: space-between; margin-bottom: 12px; }
  .docs-main { padding-top: 20px; }
  .changelog-entry { grid-template-columns: 1fr; gap: 16px; }
  .changelog-meta { position: static; }
  .showcase .window-main { transform: none; }
}
@media (max-width: 720px) {
  .os-grid, .notes, .def-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .showcase { margin-top: 48px; padding-bottom: 56px; }
  .showcase .window-float { position: relative; right: auto; bottom: auto; width: 86%; margin: -18% 0 0 auto; }
  .callout-tag { display: none; }
}
@media (max-width: 600px) {
  .wrap, .wrap-narrow, .docs-layout { padding: 0 16px; }
  .bento { grid-template-columns: 1fr; }
  .tile, .tile.span-3, .tile.span-4, .tile.span-6, .tile.wide-md { grid-column: span 1; }
  .tile { padding: 22px; }
  .tile-media { margin: 22px -22px -22px; }
  .tile-media.inset { margin: 22px 0 -22px; }
  .hero { padding-top: 48px; }
  .hero-cta .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .docs-pager { grid-template-columns: 1fr; }
  .docs-pager .next { grid-column: 1; }
  .brand .tag-alpha { display: none; }
  .header-actions .gh-btn { display: none; }
  .site-header .wrap { gap: 12px; }
  .dl-status .acts { width: 100%; }
  .os-card { padding: 20px; }
  th, td { padding: 11px 14px; }
}
/* Touch and phone polish: 44px tap targets, 16px reading text, scroll hints on tables. */
@media (max-width: 960px) {
  .icon-btn { width: 44px; height: 44px; }
  .brand { min-height: 44px; }
  .header-actions { gap: 4px; }
  .docs-search input { min-height: 44px; font-size: 16px; }
  .js .docs-menu-btn { min-height: 44px; font-size: 15px; }
  .docs-crumb a { display: inline-block; padding: 12px 0; margin: -12px 0; }
  .docs-nav a { padding: 11px 10px; font-size: 16px; }
}
@media (max-width: 600px) {
  .btn-sm { min-height: 44px; }
  .note-card p, .note-card ol, .note-card ul { font-size: 16px; }
  .badge { min-height: 44px; display: inline-flex; align-items: center; }
  .tile p, .step p, .faq .a, .flow p { font-size: 16px; }
  .tile .more { display: inline-flex; align-items: center; min-height: 44px; margin-top: 6px; font-size: 15.5px; }
  .pill { font-size: 14px; padding: 5px 12px; }
  .hero-cta .btn, .final .hero-cta .btn { min-height: 52px; }
  .table-wrap { background: linear-gradient(to right, var(--card) 30%, transparent) 0 0 / 28px 100% no-repeat local,
                            linear-gradient(to left, var(--card) 30%, transparent) 100% 0 / 28px 100% no-repeat local,
                            linear-gradient(to right, var(--border-strong), transparent) 0 0 / 10px 100% no-repeat scroll,
                            linear-gradient(to left, var(--border-strong), transparent) 100% 0 / 10px 100% no-repeat scroll,
                            var(--card); }
  td, th, .prose table { font-size: 15px; }
  thead th { font-size: 13.5px; }
  td.m, .compare .m { font-size: 14px; }
  .compare tbody th, .matrix tbody th { position: sticky; left: 0; z-index: 1; background: var(--card); min-width: 112px; max-width: 132px; }
  .compare tbody th { box-shadow: 1px 0 0 var(--border); }
  td code, th code { font-size: 13.5px; }
  .site-footer { font-size: 16px; }
  .footer-grid ul { gap: 0; }
  .footer-grid li a { display: flex; align-items: center; min-height: 44px; }
  .footer-brand p { font-size: 15px; max-width: none; }
  .footer-bottom { font-size: 14px; }
  .footer-bottom a { display: inline-block; padding: 10px 0; margin: -10px 0; }
  .final { padding: 80px 0; }
  .docs-pager a { min-height: 56px; }
  .docs-edit, .docs-crumb { font-size: 14.5px; }
  .changelog-meta .ver { font-size: 22px; }
}
@media (hover: none), (pointer: coarse) {
  .copy-btn { min-height: 40px; min-width: 56px; font-size: 13px; opacity: 1; top: 6px; right: 6px; }
  pre:has(> .copy-btn) { padding-top: 52px; }
  .commit { display: inline-block; padding: 12px 4px; margin: -12px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .wire .packet { left: 50%; }
}
@media print {
  .site-header, .site-footer, .docs-side, .docs-toc, .docs-pager, .copy-btn { display: none !important; }
  .docs-layout { display: block; }
}