/* Chuckanut 50k — site styles. Dark theme, teal accent. */

:root {
  --bg: #071012;
  --bg-2: #0b171a;
  --surface: #0f1e21;
  --surface-2: #142a2d;
  --line: #1e3a3d;
  --text: #e6efee;
  --muted: #9bb2b1;
  --teal: #2cc4b2;
  --teal-bright: #6ae8d8;
  --teal-deep: #0e6f67;
  --on-teal: #022420;
  --chip: #f1f5f4;

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --max: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 68px;
  --announce-h: 0px;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--announce-h) + 64px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--teal-bright); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: .01em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4vw, 3rem); text-transform: uppercase; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
strong { color: #fff; font-weight: 600; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--teal); color: var(--on-teal); padding: 8px 14px; border-radius: var(--radius-sm); }
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--teal-bright); outline-offset: 3px; }

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 780px; }

.eyebrow {
  font: 600 .8rem/1.2 var(--font-body);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .9rem;
}
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 62ch; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* ------------------------------------------------------------ buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .8em 1.5em;
  border-radius: 999px;
  border: 2px solid var(--teal);
  background: var(--teal);
  color: var(--on-teal);
  font: 700 .95rem/1 var(--font-body);
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--teal-bright); border-color: var(--teal-bright); color: var(--on-teal); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: #fff; border-color: #fff; color: var(--bg); }
.btn-sm { padding: .6em 1.1em; font-size: .8rem; }
.btn-soon { opacity: .75; pointer-events: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5rem; }

.arrow-link { font-weight: 600; text-decoration: none; display: inline-flex; gap: .4em; align-items: center; }
.arrow-link::after { content: "→"; transition: transform .2s; }
.arrow-link:hover::after { transform: translateX(4px); }

/* ------------------------------------------------------------ header */

.site-header {
  position: sticky; top: 0; z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(7, 16, 18, .88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background .3s, border-color .3s;
}
.home .site-header { position: fixed; left: 0; right: 0; background: transparent; border-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.home .site-header.scrolled, .nav-open .site-header { background: rgba(7, 16, 18, .92); border-color: var(--line); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.brand { display: block; flex: none; }
.brand img { height: 42px; width: auto; }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.site-nav a {
  display: block; padding: 8px 10px; border-radius: 6px;
  color: var(--text); text-decoration: none;
  font: 600 .82rem/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase;
}
.site-nav a:hover { color: var(--teal-bright); }
.site-nav a[aria-current="page"] { color: var(--teal-bright); box-shadow: inset 0 -2px 0 var(--teal); border-radius: 0; }
.header-cta { flex: none; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px;
  background: transparent; color: var(--text); cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: currentColor; margin: auto; position: relative; transition: transform .25s, background .25s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .site-nav {
    position: fixed; inset: calc(var(--header-h) + var(--announce-h) + env(safe-area-inset-top, 0px)) 0 0 0;
    background: var(--bg);
    padding: 24px var(--gutter) calc(32px + env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    display: none;
  }
  .nav-open .site-nav { display: block; }
  .nav-open { overflow: hidden; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--line); }
  .site-nav a { padding: 18px 4px; font: 700 1.6rem/1 var(--font-display); letter-spacing: .04em; }
  .site-nav a[aria-current="page"] { box-shadow: none; }
  .site-nav .mobile-cta { display: flex; margin-top: 24px; }
}
@media (min-width: 1081px) { .site-nav .mobile-cta { display: none; } }

/* ------------------------------------------------------------ home hero */

.hero {
  position: relative;
  min-height: min(100svh, 980px);
  display: flex; align-items: flex-end;
  padding: calc(var(--header-h) + 48px) 0 clamp(48px, 8vh, 96px);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(7,16,18,.55) 0%, rgba(7,16,18,.15) 30%, rgba(7,16,18,.55) 62%, var(--bg) 100%),
    linear-gradient(90deg, rgba(7,16,18,.7) 0%, rgba(7,16,18,0) 65%);
}
.hero-logo { width: min(520px, 86vw); margin: 0 0 1.25rem; filter: drop-shadow(0 6px 30px rgba(0,0,0,.45)); }
.hero-date {
  font: 700 clamp(1.8rem, 4vw, 2.8rem)/1 var(--font-display);
  text-transform: uppercase; letter-spacing: .02em; margin: 0 0 .4rem;
}
.hero-place { color: #d5e3e2; margin: 0; }
.hero .eyebrow { color: var(--teal-bright); }

.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 1.5rem; max-width: 380px; }
.countdown div {
  padding: 10px 6px 8px; text-align: center;
  background: rgba(7,16,18,.55); border: 1px solid rgba(255,255,255,.14); border-radius: 10px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.countdown b { display: block; font: 700 2rem/1 var(--font-display); color: #fff; font-variant-numeric: tabular-nums; }
.countdown span { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ------------------------------------------------------------ page hero */

.page-hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(64px, 12vw, 140px) 0 clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}
.page-hero img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(7,16,18,.92) 0%, rgba(7,16,18,.7) 55%, rgba(7,16,18,.45) 100%),
              linear-gradient(0deg, var(--bg) 0%, rgba(7,16,18,0) 50%);
}
.page-hero h1 { margin-bottom: .3em; }
.page-hero .lead { color: #c9d9d8; }

/* ------------------------------------------------------------ sections */

.section { padding-block: clamp(56px, 8vw, 104px); }
.section + .section { padding-top: 0; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); padding-top: clamp(56px, 8vw, 104px); }
.section.alt + .section { padding-top: clamp(56px, 8vw, 104px); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px 32px; flex-wrap: wrap; margin-bottom: 2rem; }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; }

.subnav {
  position: sticky; top: calc(var(--header-h) + var(--announce-h) + env(safe-area-inset-top, 0px)); z-index: 40;
  background: rgba(7,16,18,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.subnav ul { display: flex; gap: 6px; list-style: none; margin: 0; padding: 12px 0; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a {
  display: block; white-space: nowrap; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); text-decoration: none; font-size: .85rem; font-weight: 500;
}
.subnav a:hover, .subnav a.active { color: var(--on-teal); background: var(--teal); border-color: var(--teal); }

.block { padding-block: clamp(48px, 6vw, 80px); border-bottom: 1px solid var(--line); }
.block:last-child { border-bottom: 0; }
.block > h2 { margin-bottom: .4em; }
.block > .lead { margin-bottom: 2rem; }

/* ------------------------------------------------------------ stats */

.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--surface);
}
.stat { padding: 22px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-right: -1px; margin-bottom: -1px; }
.stat b { display: block; font: 700 clamp(2rem, 4vw, 2.7rem)/1 var(--font-display); color: var(--teal-bright); }
.stat span { display: block; margin-top: 6px; color: var(--muted); font-size: .9rem; }
.hero + .stats-band { margin-top: -1px; }
.stats-band { padding-bottom: 0; }
@media (max-width: 520px) { .stats .stat:last-child:nth-child(odd) { grid-column: 1 / -1; } }

/* ------------------------------------------------------------ grids & cards */

.grid { display: grid; gap: clamp(16px, 2.5vw, 28px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(20px, 3vw, 28px);
}
.card > :last-child { margin-bottom: 0; }
.card h3 { margin-bottom: .35em; }

.photo-card {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 340px; padding: 24px; border-radius: var(--radius); overflow: hidden; isolation: isolate;
  color: #fff; text-decoration: none; border: 1px solid var(--line);
}
.photo-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s ease; }
.photo-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(7,16,18,0) 25%, rgba(7,16,18,.92) 100%); }
.photo-card:hover img { transform: scale(1.05); }
.photo-card h3 { font-size: 2rem; text-transform: uppercase; margin-bottom: .2em; }
.photo-card p { color: #cfdedd; margin: 0 0 .8em; font-size: .97rem; }
.photo-card .arrow-link { color: var(--teal-bright); }
.photo-card:hover { color: #fff; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.split img { border-radius: var(--radius); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ schedule */

.schedule { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.schedule li { position: relative; padding: 0 0 1.4rem 1.6rem; }
.schedule li:last-child { padding-bottom: 0; }
.schedule li::before {
  content: ""; position: absolute; left: -7px; top: .45em;
  width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--teal);
}
.schedule time, .schedule .when { display: block; font: 700 1.3rem/1.1 var(--font-display); color: var(--teal-bright); letter-spacing: .02em; }
.schedule p { margin: .2em 0 0; color: var(--muted); }
.schedule strong { display: block; color: var(--text); }

/* ------------------------------------------------------------ tables */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .97rem; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 600 .75rem/1.2 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); background: var(--surface); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(44,196,178,.05); }
td.num { white-space: nowrap; font-variant-numeric: tabular-nums; }
td .tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--teal); color: var(--on-teal); }

/* ------------------------------------------------------------ accordions */

details {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 12px;
}
summary {
  cursor: pointer; list-style: none; padding: 18px 56px 18px 22px; position: relative;
  font: 700 1.3rem/1.2 var(--font-display); letter-spacing: .01em;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font: 400 1.6rem/1 var(--font-body); color: var(--teal);
}
details[open] summary::after { content: "–"; }
summary small { display: block; font: 400 .9rem/1.4 var(--font-body); color: var(--muted); margin-top: 4px; }
details > div { padding: 0 22px 22px; }
details > div > :last-child { margin-bottom: 0; }

/* ------------------------------------------------------------ callouts, pills, lists */

.callout {
  border: 1px solid rgba(44,196,178,.35); background: rgba(44,196,178,.07);
  border-radius: var(--radius); padding: 18px 22px; margin: 1.5rem 0;
}
.callout > :last-child { margin-bottom: 0; }
.callout strong:first-child { color: var(--teal-bright); }
.callout.warn { border-color: rgba(240,180,80,.4); background: rgba(240,180,80,.07); }
.callout.warn strong:first-child { color: #f3c46b; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 1rem; }
.pills li { padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); font-size: .88rem; }

.checklist { list-style: none; padding: 0; margin: 0 0 1rem; }
.checklist li { position: relative; padding-left: 1.8em; margin-bottom: .55em; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facts div { padding: 16px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-right: -1px; margin-bottom: -1px; }
.facts dt { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.facts dd { margin: 0; }

.records { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 16px; }
.records .card b { display: block; font: 700 2.4rem/1 var(--font-display); color: var(--teal-bright); margin: .2em 0; }

.money { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: 12px; margin: 1rem 0 1.5rem; }
.money div { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.money b { display: block; font: 700 2rem/1 var(--font-display); color: #fff; }
.money span { color: var(--muted); font-size: .88rem; }

/* ------------------------------------------------------------ logos & partners */

.logo-chip {
  display: flex; align-items: center; justify-content: center;
  background: var(--chip); border-radius: var(--radius-sm); padding: 14px;
  aspect-ratio: 16 / 10;
}
.logo-chip img { max-height: 100%; width: auto; max-width: 100%; object-fit: contain; }

.partner { display: grid; grid-template-columns: 200px 1fr; gap: clamp(18px, 3vw, 32px); align-items: start; }
.partner + .partner { margin-top: 18px; }
.partner h3 { margin-bottom: .3em; }
.partner .card-body > :last-child { margin-bottom: 0; }
@media (max-width: 640px) { .partner { grid-template-columns: 1fr; } .partner .logo-chip { max-width: 240px; } }

.logo-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: stretch; }
.logo-row a, .logo-row span { flex: 0 1 150px; }
.logo-row .logo-chip { aspect-ratio: 3 / 2; padding: 12px 16px; }

.badges { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 28px 40px; }
.badge-card { display: flex; gap: 18px; align-items: flex-start; }
.badge-card .logo-chip { flex: none; width: 96px; aspect-ratio: 1; padding: 8px; }
.badge-card p { margin: 0; font-size: .95rem; color: var(--muted); }
.badge-card h3 { font-size: 1.3rem; margin-bottom: .25em; }

/* ------------------------------------------------------------ media */

.embed { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; border: 1px solid var(--line); margin: 0 0 1rem; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.embed.tall { aspect-ratio: 4 / 3; }
@media (max-width: 640px) { .embed.tall { aspect-ratio: 3 / 4; } }

figure { margin: 0 0 1.5rem; }
figure img { border-radius: var(--radius); }
figcaption { color: var(--muted); font-size: .9rem; margin-top: .6rem; }

.mosaic { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: 10px; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }
.mosaic .w2 { grid-column: span 2; }
.mosaic .h2 { grid-row: span 2; }
@media (max-width: 760px) { .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 140px; } }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 10px; margin: 0 0 1.5rem; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; }

.year-links { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.year-links a { display: block; padding: 8px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; background: var(--surface); font-variant-numeric: tabular-nums; }
.year-links a:hover { border-color: var(--teal); }

/* ------------------------------------------------------------ results list */

.results { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.results a, .results .none {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 20px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line);
  text-decoration: none; color: var(--text);
}
.results a:hover { border-color: var(--teal); }
.results b { font: 700 1.6rem/1 var(--font-display); color: var(--teal-bright); min-width: 3.2ch; }
.results span { flex: 1; }
.results small { color: var(--muted); }

/* ------------------------------------------------------------ updates */

.post-list { display: grid; gap: 14px; }
.post-card {
  display: grid; grid-template-columns: 1fr; gap: 6px;
  padding: 20px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface);
  text-decoration: none; color: var(--text); transition: border-color .2s, transform .2s;
}
.post-card:hover { border-color: var(--teal); color: var(--text); transform: translateY(-2px); }
.post-card time { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); font-weight: 600; }
.post-card h3 { font-size: 1.45rem; margin: 0; }
.post-card p { margin: 0; color: var(--muted); font-size: .95rem; }
.pinned-post { border-color: var(--teal); }
.pinned-post .post-meta { margin-bottom: .3em; }
.pinned-post .pinned-title { font-size: 2rem; margin-top: 0; }
.pinned-title a { color: inherit; text-decoration: none; }
.pinned-title a:hover { color: var(--teal-bright); }
.pinned-post .prose > :last-child { margin-bottom: 0; }

.archive-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 2rem; }
.archive-tools input {
  flex: 1 1 260px; padding: 12px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit;
}
.archive-tools input:focus { outline: none; border-color: var(--teal); }
.archive-year { margin-bottom: 2.5rem; }
.archive-year h2 { font-size: 2rem; position: sticky; top: calc(var(--header-h) + var(--announce-h) + env(safe-area-inset-top, 0px)); background: var(--bg); padding: 10px 0; margin: 0 0 .5rem; z-index: 2; }
.archive-list { list-style: none; padding: 0; margin: 0; }
.archive-list li { border-bottom: 1px solid var(--line); }
.archive-list a { display: flex; gap: 16px; justify-content: space-between; padding: 12px 2px; text-decoration: none; color: var(--text); }
.archive-list a:hover { color: var(--teal-bright); }
.archive-list time { color: var(--muted); font-size: .88rem; white-space: nowrap; font-variant-numeric: tabular-nums; }

.prose { max-width: 740px; }
.prose h2 { font-size: 2rem; margin-top: 1.5em; }
.prose h3 { margin-top: 1.4em; }
.prose img { border-radius: var(--radius); margin: 1rem 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li > p { margin: 0 0 .3em; }
.prose blockquote { margin: 1.5rem 0; padding: .2rem 0 .2rem 1.2rem; border-left: 3px solid var(--teal); color: #cfdedd; }
.prose .btn { margin: .5rem 0 1.2rem; }
.prose table { margin-bottom: 1.5rem; }
.post-meta { color: var(--muted); }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.post-nav a { display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; background: var(--surface); color: var(--text); }
.post-nav a:hover { border-color: var(--teal); }
.post-nav small { display: block; color: var(--muted); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
.post-nav .next { text-align: right; grid-column: 2; }
@media (max-width: 640px) { .post-nav { grid-template-columns: 1fr; } .post-nav .next { grid-column: 1; } }

/* ------------------------------------------------------------ cta band */

.cta-band {
  position: relative; isolation: isolate; overflow: hidden;
  border-radius: calc(var(--radius) * 1.4); padding: clamp(32px, 6vw, 64px);
  background: linear-gradient(120deg, var(--teal-deep), #0b3b3a 60%, #0a2427);
  border: 1px solid rgba(106,232,216,.25);
}
.cta-band h2 { margin-bottom: .3em; }
.cta-band p { color: #cfe7e4; max-width: 58ch; }

/* ------------------------------------------------------------ footer */

.site-footer { background: #050c0d; border-top: 1px solid var(--line); padding: 64px 0 calc(32px + env(safe-area-inset-bottom, 0px)); color: var(--muted); font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; }
.footer-grid h4 { font: 600 .75rem/1.2 var(--font-body); letter-spacing: .16em; text-transform: uppercase; color: var(--text); margin-bottom: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: .55em; }
.footer-grid a { color: var(--muted); text-decoration: none; }
.footer-grid a:hover { color: var(--teal-bright); }
.footer-brand img { width: 200px; margin-bottom: 1rem; }
.footer-sponsors { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.footer-sponsors p { font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 14px; }
.footer-bottom { margin-top: 32px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }
.social { display: flex; gap: 10px; margin-top: 1rem; }
.social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); color: var(--text); }
.social a:hover { border-color: var(--teal); color: var(--teal-bright); }
.social svg { width: 18px; height: 18px; fill: currentColor; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ utilities */

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.center { text-align: center; }
.stack > * + * { margin-top: 1rem; }

.post-title { font-size: clamp(2.2rem, 5vw, 3.4rem); text-transform: none; margin-bottom: .2em; }
.prose figure img { max-height: 640px; width: auto; }

/* ------------------------------------------------------------ announcement bar */

.announce { background: var(--teal); color: var(--on-teal); font-size: .92rem; }
.has-announce { --announce-h: 40px; }
.announce .container { display: flex; align-items: center; gap: 12px; height: 40px; }
.announce a { color: var(--on-teal); font-weight: 600; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.announce a:hover { text-decoration: underline; color: var(--on-teal); }
.announce-tag { flex: none; font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--on-teal); color: var(--teal-bright); }
.announce time { flex: none; margin-left: auto; opacity: .8; font-size: .85rem; }
.home .site-header .announce { position: relative; }