/* betaprofile.dev — design system */
:root {
  --bg: #ffffff;
  --bg-elev: #f6f7f9;
  --bg-inset: #ffffff;
  --text: #0b0f1a;
  --text-2: #5b6472;
  --border: #e4e7ee;
  --accent: #1590e8;
  --accent-2: #5cc3f8;
  --accent-soft: #e5f3fd;
  --ok: #0a9a5a;
  --warn: #b76e00;
  --build: #db2777;
  --tl-line: #38bdf8;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(11, 15, 26, .05), 0 8px 24px rgba(11, 15, 26, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f1a;
    --bg-elev: #131a29;
    --text: #eef1f7;
    --text-2: #98a2b3;
    --border: #232c40;
    --accent: #3aaef5;
    --accent-2: #7fd4ff;
    --accent-soft: #11283c;
    --build: #f472b6;
    --bg-inset: #0e1420;
    --tl-line: #0ea5e9;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: .85em;
  background: color-mix(in srgb, var(--build) 9%, transparent);
  color: var(--build);
  padding: .15em .45em;
  border-radius: 6px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 32px; } }
.muted { color: var(--text-2); }
.center { text-align: center; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 18px;
}
.brand-mark.small { width: 26px; height: 26px; font-size: 15px; }
.brand-name { font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.brand-name span { color: var(--accent); }
.eyebrow {
  display: inline-block; font-size: 13.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.seo-section p { max-width: 820px; margin: 0 auto 16px; font-size: 16.5px; line-height: 1.7; color: var(--text-2); }
.seo-section h2 { text-align: center; }
.seo-section { text-align: center; }
.seo-section p { text-align: left; }
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  color: var(--text-2); font-size: 14.5px; font-weight: 500;
  padding: 7px 12px; border-radius: 99px;
}
.site-nav a:hover { color: var(--text); text-decoration: none; background: var(--accent-soft); }
.site-nav a.active { color: var(--accent); background: var(--accent-soft); }
.nav-toggle { display: none; }

/* Hero */
.hero {
  padding: 64px 0 0;
  background:
    radial-gradient(700px 340px at 15% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent),
    radial-gradient(700px 340px at 85% 10%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent);
  overflow: hidden;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.04; letter-spacing: -.03em; font-weight: 800;
  margin-bottom: 18px;
}
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 18px; color: var(--text-2); max-width: 640px; }
.hero-copy { max-width: 720px; margin: 0 auto; text-align: center; }
.hero-copy .lead { margin: 0 auto; }
.hero-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; justify-content: center; }
.hero-releases { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; justify-content: center; }
.hero-release {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 16px; box-shadow: var(--shadow);
  color: var(--text); text-align: left;
}
.hero-release:hover { text-decoration: none; border-color: var(--accent); }
.hero-release img { width: 44px; height: 44px; border-radius: 10px; }
.hero-release em { display: block; font-style: normal; font-size: 12.5px; color: var(--text-2); }
.hero-release strong { display: block; font-size: 15px; }
.hero-release code { font-size: 12.5px; padding: .1em .4em; }
.hero-chips { justify-content: center; margin-top: 22px; }
.hero-art { margin-top: 8px; text-align: center; }
.hero-art img {
  display: block; width: min(1256px, 100%); margin: 0 auto -4px;
}

/* Buttons */
.btn {
  display: inline-block; font-weight: 600; font-size: 14.5px;
  padding: 9px 18px; border-radius: 99px; border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--bg-elev); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Ads */
.ad-slot { margin-top: 32px; min-height: 100px; }
.ad-slot .adsbygoogle { min-height: 100px; }

/* Sections */
.section { padding-top: 40px; padding-bottom: 8px; }
.section h2, .channel h2 { font-size: 26px; letter-spacing: -.02em; margin-bottom: 8px; }
.section-intro { color: var(--text-2); max-width: 720px; margin-bottom: 22px; }
.channel { padding-top: 40px; padding-bottom: 8px; }

/* Latest Releases — horizontal slider */
.latest-slider {
  display: flex; gap: 12px;
  overflow-x: auto; scroll-behavior: smooth;
  padding-bottom: 6px;
  scrollbar-width: none; -ms-overflow-style: none;
}
.latest-slider::-webkit-scrollbar { display: none; }
.latest-slide {
  flex: 0 0 auto; display: flex; align-items: center; gap: 16px;
  background: var(--bg-elev); border-radius: 16px;
  padding: 16px 24px; color: var(--text);
  transition: background .15s ease;
}
.latest-slide:hover { text-decoration: none; background: color-mix(in srgb, var(--text) 6%, var(--bg-elev)); }
.latest-slide img { width: 76px; height: 76px; border-radius: 18px; flex: 0 0 auto; object-fit: contain; }
.latest-slide div { display: grid; gap: 2px; line-height: 1.25; }
.slide-date { font-size: 14px; color: var(--text-2); }
.slide-name { font-size: 18px; font-weight: 600; white-space: nowrap; }
.slide-build { font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace; font-size: 14px; color: var(--build); }

/* Timeline */
.timeline-box {
  background: var(--bg-elev); border-radius: 24px;
  padding: 56px 16px 40px;
  overflow-x: auto;
  scrollbar-width: none; -ms-overflow-style: none;
}
.timeline-box::-webkit-scrollbar { display: none; }
.timeline { list-style: none; display: flex; min-width: 560px; }
.tl-item {
  position: relative; flex: 1 0 25%;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 0 8px;
}
.tl-line {
  position: absolute; top: 36px; height: 2px; width: 50%;
  background: color-mix(in srgb, var(--text-2) 25%, transparent);
}
.tl-line.left { left: 0; }
.tl-line.right { right: 0; }
.tl-line.done { background: var(--tl-line); }
.tl-logo { position: relative; z-index: 1; padding: 4px; }
.tl-logo img {
  position: relative; z-index: 1; display: block;
  width: 64px; height: 64px; border-radius: 16px; object-fit: contain;
}
.tl-ping {
  position: absolute; inset: 4px; z-index: 0;
  border-radius: 16px; background: var(--tl-line); opacity: .45;
  animation: tl-ping 1.4s cubic-bezier(0, 0, .2, 1) infinite;
}
@keyframes tl-ping {
  75%, 100% { transform: scale(1.7); opacity: 0; }
}
.tl-pill {
  position: absolute; z-index: 2; left: 50%; bottom: -8px; transform: translateX(-50%);
  white-space: nowrap; border-radius: 6px;
  background: var(--bg-inset);
  padding: 2px 8px; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  box-shadow: 0 1px 3px rgba(11, 15, 26, .12);
}
.tl-title { margin-top: 20px; font-size: 16.5px; font-weight: 600; }
.tl-date { margin-top: 4px; font-size: 13.5px; color: var(--text-2); display: grid; gap: 2px; }
.tl-date em {
  font-style: normal; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em; color: var(--warn);
}

/* Cards */
.grid.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 14px;
}
.release-meta { display: flex; gap: 26px; }
.release-meta.inline { margin: 10px 0 6px; }
.release-meta dt { font-size: 12px; color: var(--text-2); text-transform: uppercase; letter-spacing: .06em; }
.release-meta dd { font-size: 14.5px; font-weight: 600; }

/* Beta cards (betaprofiles.com style) */
.bp-card {
  scroll-margin-top: 90px;
  background: var(--bg-elev); border-radius: 24px;
  box-shadow: 0 1px 2px rgba(11, 15, 26, .06);
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  transition: transform .5s cubic-bezier(.165, .84, .44, 1), box-shadow .5s cubic-bezier(.165, .84, .44, 1);
}
.bp-card:hover { transform: translateY(-8px) scale(1.01); box-shadow: 0 24px 48px rgba(11, 15, 26, .18); }
.bp-card-body { padding: 40px 40px 16px; text-align: center; }
.bp-card-logo { width: 60px; height: 60px; object-fit: contain; margin: 0 auto; display: block; }
.bp-card-logo.rounded { border-radius: 14px; }
.bp-card-body h3 { font-size: 24px; font-weight: 600; letter-spacing: -.015em; margin-top: 20px; }
.bp-card-blurb { font-size: 18px; line-height: 1.5; color: var(--text-2); margin-top: 8px; }
.bp-meta {
  display: flex; justify-content: space-evenly; align-items: center;
  max-width: 320px; margin: 20px auto 0;
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 12px; padding: 8px;
}
.bp-meta p { font-size: 12px; line-height: 1.4; color: var(--text-2); }
.bp-meta strong { font-size: 16px; line-height: 1.4; }
.bp-meta strong.mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  color: var(--build); font-weight: 600;
}
.bp-meta-divider { width: 1px; height: 40px; background: var(--border); }
.bp-actions { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 8px; align-items: center; }
.bp-btn-install {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  font-size: 18px; font-weight: 500; line-height: 1.35;
  padding: 8px 16px; border-radius: 99px;
}
.bp-btn-install:hover { text-decoration: none; background: color-mix(in srgb, var(--accent) 88%, #000); }
.bp-btn-install svg { width: 18px; height: 18px; }
.bp-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-2); font-size: 16px;
}
.bp-link:hover { text-decoration: none; color: var(--accent); }
.bp-link svg { width: 16px; height: 16px; }
.bp-card-device { display: block; width: 100%; object-fit: contain; margin-top: auto; }

/* Article pages */
.article { padding-top: 48px; padding-bottom: 64px; max-width: 760px; }
.article h1 { font-size: clamp(28px, 4.5vw, 40px); letter-spacing: -.025em; margin-bottom: 12px; }
.article h2 { font-size: 22px; letter-spacing: -.015em; margin: 34px 0 12px; }
.article h3 { font-size: 17px; }
.article p { margin-bottom: 12px; }
.breadcrumb { font-size: 13.5px; color: var(--text-2); margin-bottom: 18px; }
.breadcrumb span { margin: 0 6px; }

.checklist { list-style: none; display: grid; gap: 8px; margin: 8px 0 8px; }
.checklist li { padding-left: 28px; position: relative; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--ok); font-weight: 700;
}
.steps { list-style: none; display: grid; gap: 18px; margin-top: 12px; counter-reset: step; }
.step {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.step h3 { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.step-num {
  display: grid; place-items: center; width: 28px; height: 28px;
  border-radius: 99px; background: var(--accent); color: #fff;
  font-size: 14px; font-weight: 700; flex: 0 0 auto;
}
.note {
  border-left: 3px solid var(--warn);
  background: color-mix(in srgb, var(--warn) 8%, var(--bg-elev));
  padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0; font-size: 14.5px;
}
.article-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.article-links.center { justify-content: center; }

/* Devices */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 8px; }
.chip {
  font-size: 13.5px; font-weight: 500; color: var(--text);
  background: var(--bg-elev); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 99px;
}
.chip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.device-section { margin-top: 36px; scroll-margin-top: 80px; }
.device-section h3 { margin: 18px 0 8px; font-size: 15px; color: var(--text-2); }
.device-list {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px;
  margin-top: 12px;
}
.device-list li {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 14px; font-size: 14px;
}
.device-list.unsupported li { color: var(--text-2); background: transparent; border-style: dashed; }

/* FAQ */
.faq {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0; margin-bottom: 10px; overflow: hidden;
}
.faq summary {
  cursor: pointer; font-weight: 600; padding: 15px 20px;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%); color: var(--accent); font-size: 20px; font-weight: 400;
}
.faq[open] summary::after { content: "–"; }
.faq p { padding: 0 20px 16px; color: var(--text-2); }

/* Catch up */
.catchup { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.catchup-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
  color: var(--text); display: grid; gap: 8px; align-content: start;
}
.catchup-card:hover { text-decoration: none; border-color: var(--accent); }
.catchup-card .cat { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; color: var(--accent); }
.catchup-card strong { font-size: 17px; letter-spacing: -.01em; line-height: 1.35; }

/* Guide pages */
.guide-hero {
  background:
    radial-gradient(700px 300px at 50% 0%, color-mix(in srgb, var(--accent) 10%, transparent), transparent),
    var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 44px 0 36px;
  text-align: center;
}
.guide-hero h1 { font-size: clamp(30px, 4.5vw, 44px); letter-spacing: -.025em; margin-bottom: 12px; max-width: 820px; margin-left: auto; margin-right: auto; }
.guide-hero .lead { font-size: 19px; max-width: 720px; margin-left: auto; margin-right: auto; }
.guide-hero .chips { margin-top: 20px; justify-content: center; }
.release-bar {
  display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap;
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 16px; padding: 14px 22px; margin: 26px auto 0;
  box-shadow: var(--shadow); max-width: fit-content;
  text-align: left;
}
.release-bar img { width: 52px; height: 52px; object-fit: contain; }
.release-bar-item p { font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); }
.release-bar-item strong { font-size: 16px; }
.release-bar-item strong.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; color: var(--build); }
.badge {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: 5px 12px; border-radius: 99px;
}
.badge.beta { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.badge.rc { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.guide-intro { font-size: 17.5px; line-height: 1.65; }
.article.guide { padding-top: 36px; }

.req-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin: 14px 0 8px; }
.req {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 18px;
}
.req h3 { font-size: 15.5px; margin-bottom: 4px; }
.req p { font-size: 14px; color: var(--text-2); margin: 0; }

.note.warn { border-left-color: #d0342c; background: color-mix(in srgb, #d0342c 7%, var(--bg-elev)); }
.step-tip {
  margin-top: 10px; padding: 10px 14px; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  font-size: 14px;
}

.trouble-list { display: grid; gap: 12px; }
.trouble {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 20px;
}
.trouble h3 { font-size: 16px; margin-bottom: 6px; }
.trouble p { color: var(--text-2); margin: 0; font-size: 15px; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.related-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px; color: var(--text);
  display: grid; gap: 6px; align-content: start;
}
.related-card:hover { text-decoration: none; border-color: var(--accent); }
.related-card .cat { font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--accent); }
.related-card strong { font-size: 15.5px; line-height: 1.4; }
.contact-line { font-size: 18px; margin-top: 20px; }

/* Channel segmented switch */
.seg-wrap { display: flex; justify-content: center; margin-bottom: 28px; }
.panel-head { text-align: center; margin-bottom: 24px; }
.panel-head h2 { margin-bottom: 8px; }
.panel-head .section-intro { margin: 0 auto; }
.rc-block { margin-top: 48px; }
.rc-block h2 { text-align: center; }
.rc-block .section-intro { text-align: center; margin: 0 auto 22px; }
.seg {
  position: relative; display: inline-flex; gap: 2px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 99px; padding: 4px;
  box-shadow: inset 0 1px 3px rgba(11, 15, 26, .05);
}
.seg-thumb {
  position: absolute; top: 4px; bottom: 4px; left: 4px;
  width: 0; border-radius: 99px;
  background: var(--bg-inset);
  box-shadow: 0 1px 3px rgba(11, 15, 26, .12), 0 4px 12px rgba(11, 15, 26, .08);
  transition: transform .35s cubic-bezier(.3, .9, .3, 1), width .35s cubic-bezier(.3, .9, .3, 1);
}
.seg-btn {
  position: relative; z-index: 1;
  border: none; background: none; cursor: pointer;
  font: inherit; font-size: 14px; font-weight: 600;
  color: var(--text-2); padding: 8px 16px; border-radius: 99px;
  transition: color .25s ease;
  white-space: nowrap;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { color: var(--accent); }
.switch-panel[hidden] { display: none; }
.era-title { font-size: 19px; letter-spacing: -.01em; margin: 28px 0 14px; color: var(--text); }
.era-title:first-of-type { margin-top: 4px; }
.arch-released { margin-top: 16px; font-size: 15px; color: var(--text-2); }
.arch-released strong { color: var(--text); }
.bp-card.compact .bp-card-body { padding-bottom: 8px; }
.mono-inline {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: .85em; color: var(--build); font-weight: 600;
}
@media (max-width: 720px) {
  .seg { width: 100%; }
  .seg-btn { flex: 1; padding: 8px 6px; font-size: 12.5px; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-elev); margin-top: 72px; padding: 48px 0 28px; }
.footer-grid {
  display: grid; gap: 40px;
  grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(150px, 1fr));
}
.footer-brand { display: grid; gap: 12px; align-content: start; justify-items: start; }
.footer-brand .muted { font-size: 13.5px; line-height: 1.55; }
.footer-updated {
  font-size: 12px; font-weight: 600; color: var(--ok);
  background: color-mix(in srgb, var(--ok) 10%, transparent);
  padding: 4px 10px; border-radius: 99px;
}
.footer-col { display: grid; gap: 9px; align-content: start; font-size: 14px; }
.footer-col h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-2); margin-bottom: 4px; }
.footer-col a { color: var(--text); }
.footer-col a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border);
  display: grid; gap: 6px; font-size: 13px;
}
.footer-bottom .muted { font-size: 12.5px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Mobile */
@media (max-width: 720px) {
  .nav-toggle {
    display: grid; gap: 4px; margin-left: auto;
    background: none; border: none; padding: 10px; cursor: pointer;
  }
  .nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; background: var(--bg-elev);
    border-bottom: 1px solid var(--border); padding: 10px 16px 16px;
  }
  .site-nav.open { display: flex; }
  .hero { padding: 48px 0 40px; }
  .ticker code { margin-left: 0; }
}