:root {
  color-scheme: dark;
  --canvas: #0b0d10;
  --surface: #14181f;
  --surface-raised: #1a2028;
  --text: #f7f4ed;
  --muted: #c2bcae;
  --border: rgba(255, 255, 255, .13);
  --accent: #f0c000;
  --accent-hover: #ffd42a;
  --accent-ink: #171205;
  --danger: #ffb8b8;
  --success: #a7e9bd;
  --focus: #fff2a8;
  --shadow: 0 18px 50px rgba(0, 0, 0, .24);
  --radius-sm: .75rem;
  --radius: 1.125rem;
  --content: 68rem;
  --prose: 44rem;
  --sticky-height: 5rem;
}

.theme-yek {
  --canvas: #071018;
  --surface: #0e1a24;
  --surface-raised: #142534;
  --text: #f2f8ff;
  --muted: #adc3d3;
  --border: rgba(220, 240, 255, .14);
  --accent: #42adff;
  --accent-hover: #76c4ff;
  --accent-ink: #03111c;
  --focus: #bce5ff;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-width: 20rem;
  margin: 0;
  padding-bottom: calc(var(--sticky-height) + env(safe-area-inset-bottom));
  overflow-wrap: anywhere;
  background:
    radial-gradient(70rem 34rem at 8% -12%, rgba(240, 192, 0, .13), transparent 55%),
    var(--canvas);
  color: var(--text);
  font: 400 1rem/1.65 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

body.theme-yek {
  background:
    radial-gradient(70rem 34rem at 92% -12%, rgba(66, 173, 255, .16), transparent 55%),
    var(--canvas);
}
body.page-no-sticky { padding-bottom: 0; }

img { max-width: 100%; height: auto; }
button,
input { font: inherit; }
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }

:focus-visible {
  outline: .2rem solid var(--focus);
  outline-offset: .2rem;
  border-radius: .2rem;
}

.sr-only,
.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 20;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}
.skip:focus { top: 1rem; }

.wrap {
  width: min(var(--content), calc(100% - 2rem));
  margin-inline: auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: var(--canvas);
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(.75rem);
}

.top__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding-block: .55rem;
  gap: .5rem 1rem;
}

.brand {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
}
.brand img { display: block; width: auto; height: 2.5rem; }

.nav-toggle {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  font-size: .94rem;
}
.nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: .55rem .7rem;
  border-radius: .65rem;
  color: var(--text);
  text-decoration: none;
}
.nav a:hover { background: var(--surface); }

.nav__cta,
.btn {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: .7rem 1.05rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 .35rem 1.2rem color-mix(in srgb, var(--accent) 18%, transparent);
}
.nav__cta:hover,
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn:disabled { cursor: wait; opacity: .7; }
.btn--lg { min-height: 3.25rem; padding: .9rem 1.3rem; font-size: 1.05rem; }

.hero { padding-block: clamp(2.25rem, 8vw, 5.25rem) 2rem; }
.hero::after {
  display: block;
  width: 4rem;
  height: .25rem;
  margin-top: 2rem;
  border-radius: 1rem;
  background: var(--accent);
  content: "";
}

.eyebrow {
  margin: 0 0 .55rem;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
  text-wrap: balance;
}
h1 {
  max-width: 18ch;
  margin: 0 0 1rem;
  font-size: clamp(2rem, 8vw, 3.65rem);
  letter-spacing: -.035em;
}
h2 { margin-block: 2rem .75rem; font-size: clamp(1.3rem, 4vw, 1.65rem); }
h3 { font-size: 1.12rem; }
p { margin-block: 0 1rem; }

.lede {
  max-width: var(--prose);
  color: var(--muted);
  font-size: clamp(1.03rem, 2.5vw, 1.2rem);
}
.cta-note {
  max-width: 42rem;
  color: var(--muted);
  font-size: .9rem;
}

.grid {
  display: grid;
  gap: 1rem;
  margin-block: 1rem 3rem;
}
.card {
  padding: clamp(1.15rem, 4vw, 1.6rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  box-shadow: var(--shadow);
}
.card h2 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.list {
  display: grid;
  gap: .75rem;
  margin: 0 0 3rem;
  padding: 0;
  list-style: none;
}
.list a {
  display: grid;
  gap: .25rem;
  min-height: 4.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: border-color .16s ease, transform .16s ease, background-color .16s ease;
}
.list a:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--surface-raised);
  transform: translateY(-1px);
}
.list__kicker { color: var(--muted); font-size: .8rem; }
.list strong { font-size: 1.05rem; line-height: 1.35; }
.list span:last-child { color: var(--muted); }

.page,
.article { padding-block: clamp(1.5rem, 5vw, 3rem) 3rem; }

.crumbs { margin-bottom: 1.5rem; color: var(--muted); font-size: .86rem; }
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.crumbs li:not(:last-child)::after { margin-left: .35rem; content: "/"; }
.crumbs a { color: inherit; }

.prose { max-width: var(--prose); }
.prose p { margin-bottom: 1.15rem; }
.prose h2 { margin-top: 2.25rem; }
.prose h3 { margin-top: 1.75rem; }
.prose ul,
.prose ol { padding-left: 1.4rem; }
.prose li { margin-bottom: .45rem; }
.prose a { text-decoration-thickness: .1em; }

.subscribe {
  margin-block: 2rem 3.5rem;
  padding: clamp(1.25rem, 5vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.subscribe h2 { margin-top: 0; }
.sub-form { display: grid; gap: .75rem; max-width: 32rem; }
.sub-form > label:not(.sub-consent) { font-weight: 700; }
.sub-form input[type="email"] {
  width: 100%;
  min-height: 3rem;
  padding: .72rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--canvas);
  color: var(--text);
}
.sub-form input[aria-invalid="true"] { border-color: var(--danger); }
.sub-consent {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  color: var(--muted);
  font-size: .92rem;
}
.sub-consent input {
  width: 1.25rem;
  height: 1.25rem;
  margin: .15rem 0 0;
  accent-color: var(--accent);
}
.sub-help { color: var(--muted); font-size: .88rem; }
.sub-error { min-height: 1.5em; margin: 0; color: var(--danger); font-weight: 650; }
.status {
  max-width: var(--prose);
  padding: 1rem;
  border: 1px solid var(--border);
  border-left: .3rem solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.status--success { border-left-color: var(--success); }
.status--error { border-left-color: var(--danger); }

.foot {
  padding-block: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}
.foot nav { line-height: 2; }
.foot a { color: var(--text); }

.sticky {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 12;
  padding: .65rem 0 calc(.65rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--canvas);
  background: color-mix(in srgb, var(--canvas) 94%, transparent);
  backdrop-filter: blur(.75rem);
}
.sticky__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.sticky span { color: var(--muted); font-size: .85rem; }

@media (min-width: 45rem) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { gap: .35rem; }
}

@media (max-width: 44.99rem) {
  .top__bar { align-items: flex-start; }
  .nav {
    width: 100%;
    flex-wrap: wrap;
    align-items: stretch;
  }
  .nav a { flex: 1 1 9rem; justify-content: center; border: 1px solid var(--border); }
  .js .nav-toggle { display: inline-grid; place-items: center; }
  .js .nav:not([data-open]) { display: none; }
  .sticky span { display: none; }
  .sticky__row { justify-content: stretch; }
  .sticky .btn { width: 100%; }
  .form-active .sticky { display: none; }
}

@media (max-height: 32.5rem) and (orientation: landscape) {
  body { padding-bottom: 0; }
  .sticky { position: static; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .top,
  .sticky { background: var(--canvas); backdrop-filter: none; }
}

@media (forced-colors: active) {
  :focus-visible { outline: 3px solid Highlight; }
  .card,
  .list a,
  .subscribe,
  .status { border: 1px solid CanvasText; }
  .hero::after { background: Highlight; }
}

.hero--split { display: grid; gap: 1.25rem; padding-top: 1.6rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.btn--ghost {
  background: transparent; color: var(--text); border: 1px solid var(--border);
}
.checks { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.addr {
  background: var(--surface-raised); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.15rem; box-shadow: var(--shadow);
}
.addr__top { display: flex; justify-content: space-between; gap: .6rem; align-items: center; font-size: .85rem; color: var(--muted); }
.pill {
  display: inline-flex; padding: .2rem .55rem; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--text); font-weight: 700;
}
.addr__host { margin: 1rem 0; }
.addr__host span { display: block; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.addr__host code {
  display: block; margin-top: .35rem; font: 700 1.15rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent);
}
.addr__note { color: var(--muted); font-size: .92rem; }
.addr__alert { display: inline-block; margin-top: .4rem; color: var(--text); }
.list--hub { margin-bottom: 1.5rem; }
@media (min-width: 840px) {
  .hero--split { grid-template-columns: 1.05fr .95fr; align-items: start; }
}

@media print {
  body { padding: 0; background: #fff; color: #000; }
  .top,
  .sticky,
  .btn,
  .subscribe { display: none; }
  .foot { color: #222; }
}