/* site.css — the public, server-rendered pages.
   No framework, no fonts to download, no JavaScript. Tokens follow the app's
   palette (terminal green on a blue-black) and flip to paper in light mode. */

:root {
  --bg: #080b10;
  --bg2: #0b1017;
  --panel: #111722;
  --panel2: #151d2a;
  --edge: #232d3c;
  --ink: #e9eff7;
  --muted: #9aa8bc;
  --dim: #6d7c92;
  --term: #3ddc84;
  --term-ink: #04130b;
  --cyan: #22d3ee;
  --amber: #fbbf24;
  --violet: #a78bfa;
  --rose: #fb7185;
  --code-bg: #070a0f;
  --radius: 16px;
  --sans: system-ui, -apple-system, "Segoe UI", Tahoma, "Vazirmatn", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "JetBrains Mono", monospace;
}

/* The header's theme link writes a cookie and the server stamps data-theme on
   <html>. No cookie means the OS preference decides, so both paths must produce
   the same tokens. */
[data-theme="light"] {
  --bg: #f6f8fc;
  --bg2: #eef2f8;
  --panel: #ffffff;
  --panel2: #f1f5fa;
  --edge: #dbe3ee;
  --ink: #0e1726;
  --muted: #4d5c72;
  --dim: #6d7c92;
  --term: #087a45;
  --term-ink: #ffffff;
  --cyan: #0e7490;
  --amber: #92600a;
  --violet: #6d4fc4;
  --rose: #be123c;
  --code-bg: #0b1220;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #f6f8fc;
    --bg2: #eef2f8;
    --panel: #ffffff;
    --panel2: #f1f5fa;
    --edge: #dbe3ee;
    --ink: #0e1726;
    --muted: #4d5c72;
    --dim: #6d7c92;
    --term: #087a45;
    --term-ink: #ffffff;
    --cyan: #0e7490;
    --amber: #92600a;
    --violet: #6d4fc4;
    --rose: #be123c;
    --code-bg: #0b1220;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 480px at 70% -10%, color-mix(in oklab, var(--term) 9%, transparent), transparent 70%),
    radial-gradient(700px 420px at 10% 0%, color-mix(in oklab, var(--cyan) 6%, transparent), transparent 70%);
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--term); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding-inline-start: 1.2em; }
:focus-visible { outline: 2px solid var(--term); outline-offset: 3px; border-radius: 4px; }
::selection { background: color-mix(in oklab, var(--term) 35%, transparent); }

.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.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 {
  position: absolute; inset-inline-start: 12px; top: -60px; z-index: 100;
  background: var(--term); color: var(--term-ink); padding: 10px 16px;
  border-radius: 0 0 10px 10px; font-weight: 700;
}
.skip:focus { top: 0; }

/* ── header ─────────────────────────────────────────────────────────────── */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in oklab, var(--edge) 65%, transparent);
}
.head-in { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-tile {
  display: grid; place-items: center; width: 38px; height: 38px;
  border-radius: 12px; color: var(--term);
  background: color-mix(in oklab, var(--term) 12%, var(--panel));
  border: 1px solid color-mix(in oklab, var(--term) 28%, transparent);
  box-shadow: 0 0 24px color-mix(in oklab, var(--term) 16%, transparent);
}
.brand-txt { display: flex; flex-direction: column; line-height: 1.05; }
.brand-txt strong { font-size: 15px; letter-spacing: -0.01em; }
.brand-txt small { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.16em; color: color-mix(in oklab, var(--term) 78%, var(--muted)); margin-top: 3px; }
.site-nav { display: flex; align-items: center; gap: 22px; margin-inline-start: auto; }
.site-nav a { font-size: 13.5px; font-weight: 600; color: var(--muted); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.head-actions { display: flex; align-items: center; gap: 10px; margin-inline-start: 8px; }
.lang {
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  border: 1px solid var(--edge); border-radius: 9px; padding: 6px 9px; color: var(--muted);
}
/* The app's header controls, at the same size: two 36px squares with one icon
   each, a hairline edge and the same hover. They are links here because the
   public site has no JavaScript (CSP script-src 'none'). */
.iconbtn {
  display: grid; place-items: center; flex: 0 0 auto;
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--edge);
  background: color-mix(in oklab, var(--panel) 70%, transparent);
  color: var(--muted);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.iconbtn:hover { color: var(--ink); border-color: color-mix(in oklab, var(--term) 38%, var(--edge)); background: var(--panel2); }
.iconbtn svg { width: 16px; height: 16px; }
.ico-sun { display: none; }
html[data-theme="light"] .ico-sun { display: block; }
html[data-theme="light"] .ico-moon { display: none; }
@media (prefers-color-scheme: light) {
  html:not([data-theme]) .ico-sun { display: block; }
  html:not([data-theme]) .ico-moon { display: none; }
}
@media (max-width: 760px) {
  /* Two controls plus the CTA fill a phone header; sign-in still lives on the
     CTA and in the footer, so the quiet link is the one that goes. */
  .head-actions .quiet { display: none; }
  .head-in { gap: 12px; }
  .site-nav { gap: 14px; }
}
.quiet { font-size: 13px; font-weight: 600; color: var(--muted); padding: 6px 4px; }
.quiet:hover { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--term); color: var(--term-ink);
  font-weight: 750; font-size: 14px; letter-spacing: -0.005em;
  padding: 12px 20px; border-radius: 12px; border: 1px solid transparent;
  box-shadow: 0 10px 30px color-mix(in oklab, var(--term) 18%, transparent);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); color: var(--term-ink); box-shadow: 0 14px 36px color-mix(in oklab, var(--term) 26%, transparent); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 8px 14px; font-size: 12.5px; border-radius: 10px; box-shadow: none; }
.btn-lg { padding: 15px 26px; font-size: 15.5px; border-radius: 14px; }
.btn-wide { width: 100%; margin-top: auto; }
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--edge);
  box-shadow: none;
}
.btn-ghost:hover { background: var(--panel2); border-color: color-mix(in oklab, var(--term) 35%, var(--edge)); color: var(--ink); box-shadow: none; }
.link-arrow { font-weight: 700; color: var(--term); font-size: 13.5px; }

/* ── hero ───────────────────────────────────────────────────────────────── */
.hero { padding: 64px 0 40px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(color-mix(in oklab, var(--edge) 55%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--edge) 55%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 20%, black, transparent 75%);
  opacity: 0.35;
}
.hero-grid { display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 52px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--term);
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--term); box-shadow: 0 0 12px var(--term); }
.hero h1 {
  font-size: clamp(2.35rem, 4.7vw, 4rem);
  font-weight: 800; margin: 18px 0 0; letter-spacing: -0.035em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--term), var(--cyan) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { margin-top: 18px; font-size: 16.5px; line-height: 1.75; color: var(--muted); max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.trust { margin-top: 16px; font-size: 12px; color: var(--dim); display: flex; align-items: center; gap: 6px; }
.trust span { color: var(--term); }
.proof { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 12px; color: var(--muted); }
.proof li::before { content: "▸ "; color: var(--term); font-family: var(--mono); }

.hero-term { position: relative; }
.term {
  position: relative; z-index: 1; border: 1px solid var(--edge); border-radius: 16px;
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  overflow: hidden; box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.term-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--edge); background: color-mix(in oklab, var(--panel2) 80%, transparent); }
.term-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--edge); }
.term-bar span:nth-child(1) { background: var(--rose); }
.term-bar span:nth-child(2) { background: var(--amber); }
.term-bar span:nth-child(3) { background: var(--term); }
.term-bar em { margin-inline-start: auto; font-style: normal; font-family: var(--mono); font-size: 10px; color: var(--dim); }
.term-body { padding: 20px 18px 24px; font-family: var(--mono); font-size: 12.5px; line-height: 1.9; }
.term-body p { margin: 0; color: var(--ink); }
.term-body i { color: var(--term); font-style: normal; }
.term-body .out { color: var(--muted); }
.term-body .accent { color: var(--term); }
.term-body .ok { color: var(--cyan); }
.caret span { display: inline-block; width: 8px; height: 14px; margin-inline-start: 6px; background: var(--term); vertical-align: -2px; animation: blink 1.15s steps(2, start) infinite; }
.term-glow { position: absolute; inset: 12% -8% -12% 8%; background: radial-gradient(closest-side, color-mix(in oklab, var(--term) 22%, transparent), transparent); filter: blur(46px); z-index: 0; }
@keyframes blink { 50% { opacity: 0; } }

/* ── stats ──────────────────────────────────────────────────────────────── */
.stats { border-block: 1px solid var(--edge); background: color-mix(in oklab, var(--panel) 55%, transparent); }
.stats-in { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 2px; padding-block: 22px; }
.stats-in div { text-align: center; padding: 6px 10px; border-inline-start: 1px solid var(--edge); }
.stats-in div:first-child { border-inline-start: 0; }
.stats-in strong { display: block; font-family: var(--mono); font-size: 25px; font-weight: 700; color: var(--ink); letter-spacing: -0.03em; }
.stats-in span { display: block; margin-top: 2px; font-size: 11px; color: var(--dim); }

/* ── sections ───────────────────────────────────────────────────────────── */
.section { padding: 76px 0; }
.section-alt { background: var(--bg2); border-block: 1px solid var(--edge); }
.section-head { max-width: 700px; margin-bottom: 34px; }
.section-head h2 { font-size: clamp(1.75rem, 3.1vw, 2.5rem); font-weight: 800; margin-top: 14px; letter-spacing: -0.03em; }
.section-lead { margin-top: 12px; color: var(--muted); font-size: 15.5px; line-height: 1.75; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; padding: 26px 24px; border: 1px solid var(--edge);
  border-radius: var(--radius); background: var(--panel);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: color-mix(in oklab, var(--term) 35%, var(--edge)); transform: translateY(-2px); }
.card .num { font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--term); letter-spacing: 0.08em; }
.card h3 { margin: 14px 0 8px; font-size: 17px; font-weight: 750; }
.card p { color: var(--muted); font-size: 13.8px; line-height: 1.7; }

/* ── tracks ─────────────────────────────────────────────────────────────── */
.track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.track {
  display: flex; flex-direction: column; gap: 7px; padding: 18px;
  border: 1px solid var(--edge); border-radius: 14px; background: var(--panel);
  min-height: 132px; transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.track:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--term) 45%, var(--edge)); background: var(--panel2); }
.track-code {
  align-self: flex-start; font-family: var(--mono); font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.08em; padding: 3px 7px; border-radius: 6px;
  border: 1px solid color-mix(in oklab, var(--term) 30%, transparent);
  color: var(--term); background: color-mix(in oklab, var(--term) 10%, transparent);
}
.track-cyan .track-code { color: var(--cyan); border-color: color-mix(in oklab, var(--cyan) 30%, transparent); background: color-mix(in oklab, var(--cyan) 10%, transparent); }
.track-amber .track-code { color: var(--amber); border-color: color-mix(in oklab, var(--amber) 30%, transparent); background: color-mix(in oklab, var(--amber) 10%, transparent); }
.track-violet .track-code { color: var(--violet); border-color: color-mix(in oklab, var(--violet) 30%, transparent); background: color-mix(in oklab, var(--violet) 10%, transparent); }
.track-name { font-size: 15.5px; font-weight: 750; }
.track-tag { font-size: 12px; color: var(--muted); line-height: 1.55; }
.track-more { margin-top: 20px; font-size: 13px; color: var(--muted); }
.track-more a { color: var(--term); font-weight: 700; }

/* ── plans ──────────────────────────────────────────────────────────────── */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan {
  position: relative; display: flex; flex-direction: column; gap: 0;
  padding: 24px; border: 1px solid var(--edge); border-radius: var(--radius);
  background: var(--panel);
}
.plan-featured { border-color: color-mix(in oklab, var(--term) 45%, var(--edge)); background: linear-gradient(180deg, color-mix(in oklab, var(--term) 8%, var(--panel)), var(--panel) 60%); box-shadow: 0 24px 60px color-mix(in oklab, var(--term) 8%, transparent); }
.plan-top { display: flex; align-items: center; gap: 10px; }
.plan-top h3 { font-size: 17px; font-weight: 800; }
.chip {
  font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: 0.06em;
  padding: 4px 8px; border-radius: 999px; color: var(--term);
  border: 1px solid color-mix(in oklab, var(--term) 30%, transparent);
  background: color-mix(in oklab, var(--term) 10%, transparent);
}
.plan-tag { margin-top: 8px; min-height: 40px; font-size: 12.5px; line-height: 1.6; color: var(--muted); }
.plan-price { margin-top: 18px; font-family: var(--mono); font-size: 30px; font-weight: 700; letter-spacing: -0.04em; }
.plan-free { font-family: var(--sans); font-size: 24px; }
.plan-period { font-size: 11px; color: var(--dim); margin-top: 2px; }
.plan-access { font-family: var(--mono); font-size: 10.5px; color: var(--dim); margin-top: 10px; letter-spacing: 0.04em; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 20px; display: flex; flex-direction: column; gap: 8px; }
.plan li { position: relative; padding-inline-start: 20px; font-size: 12.5px; line-height: 1.55; color: var(--muted); }
.plan li::before { content: "✓"; position: absolute; inset-inline-start: 0; color: var(--term); font-weight: 800; }
.plan-cyan { border-color: color-mix(in oklab, var(--cyan) 30%, var(--edge)); }
.plan-violet { border-color: color-mix(in oklab, var(--violet) 30%, var(--edge)); }
.plan-amber { border-color: color-mix(in oklab, var(--amber) 30%, var(--edge)); }
.notice {
  margin-top: 20px; padding: 20px 22px; border: 1px solid var(--edge);
  border-radius: 14px; background: var(--panel);
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between;
}
.notice p { max-width: 64ch; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.notice-cta { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── posts ──────────────────────────────────────────────────────────────── */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--edge); border-radius: var(--radius); background: var(--panel);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.post-card:hover { border-color: color-mix(in oklab, var(--term) 35%, var(--edge)); transform: translateY(-2px); }
.post-cover { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--panel2); }
.post-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover-fallback {
  display: grid; place-items: center; width: 100%; height: 100%;
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--term) 14%, transparent), transparent 55%),
    repeating-linear-gradient(0deg, color-mix(in oklab, var(--edge) 55%, transparent) 0 1px, transparent 1px 22px),
    var(--panel2);
}
.cover-fallback code { font-family: var(--mono); font-size: 20px; font-weight: 700; color: color-mix(in oklab, var(--term) 65%, var(--muted)); letter-spacing: 0.1em; }
.post-body { display: flex; flex-direction: column; padding: 18px; gap: 8px; flex: 1; }
.kicker { font-family: var(--mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--term); }
.post-body h3 { font-size: 16.5px; font-weight: 750; line-height: 1.35; }
.post-body h3 a:hover { color: var(--term); }
.post-body p { font-size: 12.8px; line-height: 1.65; color: var(--muted); flex: 1; }
.post-meta { display: flex; align-items: center; gap: 7px; font-size: 10.5px; color: var(--dim); font-family: var(--mono); }

.featured-post {
  display: grid; grid-template-columns: 1.1fr 0.9fr; overflow: hidden;
  border: 1px solid var(--edge); border-radius: 20px; background: var(--panel);
}
.featured-cover { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--panel2); }
.featured-cover img { width: 100%; height: 100%; object-fit: cover; }
.featured-body { padding: 32px; display: flex; flex-direction: column; gap: 12px; justify-content: center; }
.featured-body h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 800; letter-spacing: -0.025em; }
.featured-body h2 a:hover { color: var(--term); }
.featured-body p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.featured-body .btn { align-self: flex-start; margin-top: 6px; }
.empty { padding: 60px 20px; text-align: center; }
.empty h2 { font-size: 22px; }
.empty p { margin: 8px auto 20px; color: var(--muted); max-width: 48ch; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 32px; font-size: 12px; color: var(--dim); }

/* ── page hero ──────────────────────────────────────────────────────────── */
.page-hero { padding: 64px 0 8px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin-top: 16px; }
.trust-row { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; font-size: 12px; color: var(--muted); }
.trust-row span { color: var(--term); }

/* ── article ────────────────────────────────────────────────────────────── */
.article { padding: 40px 0 20px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 11.5px; color: var(--dim); }
.crumbs a { color: var(--dim); }
.crumbs a:hover { color: var(--term); }
.article-head { margin-top: 26px; }
.article-head h1 { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.15; }
.article-head .lead { margin-top: 14px; color: var(--muted); font-size: 17px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.article-cover { margin: 28px 0 8px; border-radius: 16px; overflow: hidden; border: 1px solid var(--edge); aspect-ratio: 16 / 9; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.prose { margin-top: 30px; font-size: 17px; line-height: 1.85; color: color-mix(in oklab, var(--ink) 92%, var(--muted)); max-width: 72ch; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { font-size: 1.5rem; font-weight: 800; margin-top: 2.1em; letter-spacing: -0.02em; }
.prose h3 { font-size: 1.18rem; font-weight: 750; margin-top: 1.7em; }
.prose h2 + *, .prose h3 + * { margin-top: 0.6em; }
.prose a { color: var(--term); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose strong { color: var(--ink); font-weight: 750; }
.prose ul, .prose ol { padding-inline-start: 1.35em; }
.prose li { margin: 0.4em 0; }
.prose li::marker { color: var(--term); }
.prose blockquote {
  margin-inline: 0; padding: 4px 0 4px 18px;
  border-inline-start: 3px solid var(--term); color: var(--muted); font-style: italic;
}
.prose code {
  font-family: var(--mono); font-size: 0.86em; padding: 0.16em 0.4em;
  background: var(--panel2); border: 1px solid var(--edge); border-radius: 6px;
  overflow-wrap: anywhere;
}
.prose pre {
  background: var(--code-bg); color: #dbe7f3; border: 1px solid var(--edge);
  border-radius: 12px; padding: 16px 18px; overflow-x: auto; line-height: 1.6;
  font-size: 13px; direction: ltr; text-align: start;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.prose img { border-radius: 12px; border: 1px solid var(--edge); }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9em; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--edge); padding: 8px 12px; text-align: start; }
.prose th { background: var(--panel2); font-weight: 700; }
.prose hr { border: 0; border-top: 1px solid var(--edge); margin-block: 2em; }
.prose .footnotes { font-size: 0.85em; color: var(--muted); }

.article-tags, .share { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--edge); }
.article-tags .kicker, .share .kicker { margin-inline-end: 6px; }
.share a { font-size: 12px; font-weight: 650; color: var(--muted); border: 1px solid var(--edge); border-radius: 999px; padding: 6px 12px; }
.share a:hover { color: var(--term); border-color: color-mix(in oklab, var(--term) 40%, var(--edge)); }
.article-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
  margin-top: 34px; padding: 24px; border-radius: 16px;
  border: 1px solid color-mix(in oklab, var(--term) 30%, var(--edge));
  background: linear-gradient(135deg, color-mix(in oklab, var(--term) 9%, var(--panel)), var(--panel));
}
.article-cta h2 { font-size: 18px; font-weight: 800; }
.article-cta p { margin-top: 4px; font-size: 12.5px; color: var(--muted); max-width: 52ch; }
.back { margin-top: 26px; font-size: 13px; font-weight: 700; color: var(--term); }

/* ── faq / final ────────────────────────────────────────────────────────── */
.faq { border-top: 1px solid var(--edge); }
.faq details { border-bottom: 1px solid var(--edge); }
.faq summary {
  position: relative; list-style: none; cursor: pointer;
  padding: 18px 40px 18px 0; font-size: 15px; font-weight: 700;
}
[dir="rtl"] .faq summary { padding: 18px 0 18px 40px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; inset-inline-end: 4px; top: 15px; font-family: var(--mono); font-size: 18px; color: var(--term); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 40px 18px 0; font-size: 13.5px; line-height: 1.75; color: var(--muted); }
[dir="rtl"] .faq details p { padding: 0 0 18px 40px; }
.final { padding: 70px 0 84px; text-align: center; }
.final h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); font-weight: 800; letter-spacing: -0.03em; }
.final p { margin: 12px auto 24px; max-width: 56ch; color: var(--muted); font-size: 15px; }
.final .tiny { margin-top: 14px; font-size: 11.5px; color: var(--dim); }
.contact { margin-top: 30px; padding: 22px; border: 1px solid var(--edge); border-radius: 14px; background: var(--panel); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.contact p { font-size: 13px; color: var(--muted); }

.notfound { padding: 110px 0 130px; }
.notfound h1 { font-size: clamp(2rem, 4vw, 3rem); margin-top: 14px; }

/* ── footer ─────────────────────────────────────────────────────────────── */
.site-foot { border-top: 1px solid var(--edge); background: var(--bg2); padding-top: 48px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.foot-brand p { margin-top: 14px; max-width: 38ch; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.foot-brand .foot-built { margin-top: 12px; font-size: 11px; color: var(--dim); }
.foot-col { display: flex; flex-direction: column; gap: 9px; }
.foot-col h2 { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); font-weight: 700; margin-bottom: 3px; }
.foot-col a { font-size: 12.5px; color: var(--muted); }
.foot-col a:hover { color: var(--ink); }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-block: 18px; border-top: 1px solid var(--edge); font-size: 11px; color: var(--dim); }
.foot-base a { color: var(--dim); }
.foot-base a:hover { color: var(--term); }

/* ── responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .track-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { gap: 34px; }
  .plan-grid { grid-template-columns: repeat(3, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .hero { padding-top: 40px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-term { order: 2; max-width: 520px; }
  .site-nav { display: none; }
  .section { padding: 56px 0; }
  .cards-3 { grid-template-columns: 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-cover { aspect-ratio: 16 / 8; }
  .featured-body { padding: 24px 20px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan { max-width: 520px; }
  .page-hero { padding-top: 44px; }
  .article { padding-top: 28px; }
  .prose { font-size: 16px; }
  .head-actions .quiet { display: none; }
}
@media (max-width: 620px) {
  .track-grid { grid-template-columns: repeat(2, 1fr); }
  .track { min-height: 118px; padding: 14px; }
  .post-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  .head-in { min-height: 60px; gap: 10px; }
  .brand-txt small { display: none; }
  .brand-txt strong { font-size: 13.5px; }
  .brand-tile { width: 34px; height: 34px; }
  .stats-in { grid-template-columns: repeat(2, 1fr); }
  .stats-in div:nth-child(3) { border-inline-start: 0; }
  .hero-cta .btn { flex: 1 1 auto; }
  .plan-price { font-size: 26px; }
  .article-cta { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

@media print {
  .site-head, .site-foot, .share, .article-cta, .back, .crumbs { display: none !important; }
  body { background: #fff; color: #000; }
  .article { padding: 0; }
  .prose { max-width: none; font-size: 12pt; }
  .prose a { color: #000; }
}