/* Estate channel site — v1.
   Colours/typography mirror brand/tokens.json + brand/brand.md (paper/ink/evergreen palette,
   Newsreader + Inter + IBM Plex Mono, all OFL, self-hosted). All text pairs meet WCAG AA (brand/contrast.md). */

@font-face { font-family: "Newsreader"; src: url("/assets/fonts/Newsreader-Variable.woff2?v=6e482e59e7c7") format("woff2"); font-weight: 400 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("/assets/fonts/Newsreader-Italic-Variable.woff2?v=6e482e59e7c7") format("woff2"); font-weight: 400 600; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("/assets/fonts/Inter-Variable.woff2?v=6e482e59e7c7") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/fonts/IBMPlexMono-Regular.woff2?v=6e482e59e7c7") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }

:root {
  --paper: #F3EEE4; --paper-deep: #E7DFD0; --paper-line: #D6CCBA; --paper-raised: #FBF8F2;
  --ink: #1D2A2E; --ink-soft: #4E5A5C; --ink-mute: #5F6866;
  --evergreen: #2E5B4E; --evergreen-deep: #1F3D35; --evergreen-tint: #DCE5DD;
  --slate: #3E5A70; --slate-tint: #DDE3E7;
  --clay: #934A31; --clay-tint: #F0DDD3;
  --brass: #A9844A; --brass-text: #7D5F2E;
  --night: #15211E; --night-raised: #1E2C28; --brass-light: #C9A66B;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 72rem; --measure: 40rem;
  --radius: 12px; --radius-sm: 8px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2.5rem; --space-5: 4rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.65 var(--sans); font-feature-settings: "tnum" 0;
  text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--evergreen); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--evergreen-deep); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; border-radius: 4px; }
main:focus { outline: none; }

h1, h2, h3, .h4 { font-family: var(--serif); font-weight: 500; color: var(--ink); letter-spacing: -0.015em; line-height: 1.15; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem); }
h3 { font-size: 1.3rem; }
.h4 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .88em; background: var(--paper-deep); padding: .1em .35em; border-radius: 4px; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.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: 1rem; top: -3rem; z-index: 10; background: var(--ink); color: var(--paper); padding: .6rem 1rem; border-radius: var(--radius-sm); }
.skip-link:focus { top: 1rem; color: var(--paper); }

.kicker { font: 600 .78rem/1.3 var(--sans); text-transform: uppercase; letter-spacing: .14em; color: var(--brass-text); margin: 0 0 .75rem; }
.lede { font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); color: var(--ink-soft); max-width: var(--measure); }
.meta { font: 400 .85rem/1.5 var(--mono); color: var(--ink-mute); }
.tag { display: inline-block; font: 500 .72rem/1.4 var(--mono); letter-spacing: .02em; text-transform: none; color: var(--clay); background: var(--clay-tint); padding: .1rem .45rem; border-radius: 4px; vertical-align: middle; }
.tag--block { display: block; padding: .6rem .85rem; margin: 0 0 1.5rem; font-size: .82rem; }
.placeholder-text { color: var(--ink-mute); font-style: italic; }

/* Header */
.site-header { border-bottom: 1px solid var(--paper-line); background: var(--paper); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; flex-wrap: wrap; padding-block: .5rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { width: 1.35rem; height: 1.35rem; border-radius: 4px; background: var(--evergreen); position: relative; flex: none; }
.brand-mark::after { content: ""; position: absolute; left: 22%; right: 22%; bottom: 26%; height: 2px; background: var(--brass-light); border-radius: 2px; }
.brand-name { font: 500 1.3rem/1 var(--serif); letter-spacing: -0.01em; }
.badge { font: 500 .66rem/1 var(--mono); color: var(--ink-mute); border: 1px dashed var(--paper-line); padding: .25rem .4rem; border-radius: 4px; }
.nav { list-style: none; display: flex; gap: .25rem; margin: 0; padding: 0; }
.nav a { display: block; padding: .55rem .8rem; border-radius: var(--radius-sm); color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: .98rem; }
.nav a:hover { color: var(--ink); background: var(--paper-deep); }
.nav a[aria-current] { color: var(--evergreen-deep); background: var(--evergreen-tint); }

/* Buttons */
.btn, .signup-form button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.9rem; padding: .7rem 1.25rem; border-radius: var(--radius-sm); border: 2px solid var(--evergreen); background: var(--evergreen); color: var(--paper); font: 600 1rem/1 var(--sans); text-decoration: none; cursor: pointer; transition: background-color .2s var(--ease), border-color .2s var(--ease); }
.btn:hover, .signup-form button:hover { background: var(--evergreen-deep); border-color: var(--evergreen-deep); color: var(--paper); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--evergreen); }
.btn--ghost:hover { background: var(--evergreen-tint); color: var(--evergreen-deep); border-color: var(--evergreen); }

/* Hero */
.hero { border-bottom: 1px solid var(--paper-line); }
.hero-inner { display: grid; grid-template-columns: 1.25fr 1fr; gap: var(--space-4); align-items: center; padding-block: clamp(2.5rem, 6vw, 5rem); }
.hero h1 { max-width: 18ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
.hero-art { background: var(--paper-deep); border-radius: var(--radius); padding: clamp(1rem, 3vw, 2rem); border: 1px solid var(--paper-line); }

/* Sections, cards, tiles */
.section { padding-block: var(--space-4); }
.section + .section { padding-top: 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.section-head h2 { margin: 0; }
.cards, .tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.cards--list { grid-template-columns: 1fr; max-width: 48rem; }
.card { background: var(--paper-raised); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 1.4rem 1.5rem 1.1rem; position: relative; transition: border-color .2s var(--ease), transform .2s var(--ease); }
.card:hover { border-color: var(--evergreen); }
.card:focus-within { border-color: var(--evergreen); }
.card-title { font-size: 1.3rem; margin-bottom: .4rem; }
.card-title a { color: var(--ink); text-decoration: none; }
.card-title a::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.card-title a:focus-visible { outline: none; }
.card-title a:focus-visible::after { outline: 3px solid var(--evergreen); outline-offset: 2px; }
.card p { color: var(--ink-soft); }
.card .meta { margin: 0; }
.tile { border-radius: var(--radius); padding: 1.4rem 1.5rem; position: relative; }
.tile h3 { margin-bottom: .35rem; }
.tile h3 a { color: var(--ink); text-decoration: none; }
.tile h3 a::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.tile p { margin: 0; color: var(--ink); }
.tile--evergreen { background: var(--evergreen-tint); box-shadow: inset 4px 0 0 var(--evergreen); }
.tile--slate { background: var(--slate-tint); box-shadow: inset 4px 0 0 var(--slate); }
.tile--clay { background: var(--clay-tint); box-shadow: inset 4px 0 0 var(--clay); }

/* Notes */
.note { background: var(--paper-raised); border: 1px solid var(--paper-line); border-left: 4px solid var(--evergreen); border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; margin: 1.5rem 0; max-width: 48rem; }
.note .kicker { color: var(--evergreen); margin-bottom: .4rem; }
.note p:last-child { margin: 0; color: var(--ink-soft); }

/* Pages */
.page { padding-block: var(--space-4) var(--space-5); }
.page-head { margin-bottom: var(--space-3); max-width: 48rem; }
.prose { max-width: var(--measure); }
.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li { margin-bottom: .4rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0 0 1.25rem; font-size: .9rem; color: var(--ink-mute); }
.crumbs li + li::before { content: "/"; margin-right: .4rem; color: var(--paper-line); }

/* Episode */
.episode-head { border-bottom: 1px solid var(--paper-line); padding-block: var(--space-4) var(--space-3); }
.episode-head h1 { max-width: 24ch; }
.episode-grid { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: var(--space-4); padding-block: var(--space-4) var(--space-5); }
.episode-main .section { padding-block: 1.5rem; }
.video { margin: 0 0 1rem; }
.video-frame { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: var(--night); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-poster { position: absolute; inset: 0; display: grid; place-items: center; background-size: cover; background-position: center; }
.video-frame--empty { display: grid; place-items: center; text-align: center; color: var(--paper); background: var(--night) linear-gradient(transparent 0 0); border: 1px solid var(--night-raised); }
.video-frame--empty p { margin: .5rem 0 0; font: 500 1.35rem/1.2 var(--serif); }
.video-frame--empty .meta { font: 400 .8rem/1.4 var(--mono); color: var(--brass-light); padding-inline: 1rem; }
.video-frame--empty code { background: var(--night-raised); color: var(--paper); }
.play { display: inline-block; width: 4.25rem; height: 4.25rem; border-radius: 50%; background: var(--paper); position: relative; box-shadow: 0 0 0 6px rgba(243,238,228,.18); }
.play::after { content: ""; position: absolute; left: 54%; top: 50%; transform: translate(-50%, -50%); border-style: solid; border-width: .7rem 0 .7rem 1.1rem; border-color: transparent transparent transparent var(--evergreen); }
.video figcaption { margin-top: .5rem; }
.keypoints { list-style: none; counter-reset: kp; padding: 0; margin: 0; display: grid; gap: .75rem; }
.keypoints li { counter-increment: kp; position: relative; padding: 1rem 1.1rem 1rem 3.4rem; background: var(--paper-raised); border: 1px solid var(--paper-line); border-radius: var(--radius-sm); }
.keypoints li::before { content: counter(kp); position: absolute; left: 1rem; top: .95rem; width: 1.65rem; height: 1.65rem; display: grid; place-items: center; border-radius: 50%; background: var(--evergreen-tint); color: var(--evergreen-deep); font: 600 .85rem/1 var(--sans); font-feature-settings: "tnum" 1; }
.sources { padding-left: 1.4rem; font-size: .97rem; }
.sources li { margin-bottom: .6rem; padding-left: .2rem; }
.sources li::marker { font-family: var(--mono); color: var(--ink-mute); }
.episode-side { align-self: start; position: sticky; top: 1.5rem; display: grid; gap: 1.25rem; }
.side-block { background: var(--paper-deep); border-radius: var(--radius); padding: 1.2rem 1.3rem; }
.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: .97rem; }
.link-list .meta { font-size: .78rem; }

/* Resources */
.term-cloud { display: flex; flex-wrap: wrap; gap: .5rem; }
.term-cloud a, .az a { display: inline-block; padding: .35rem .7rem; border: 1px solid var(--paper-line); border-radius: 999px; background: var(--paper-raised); text-decoration: none; font-size: .93rem; }
.term-cloud a:hover, .az a:hover { border-color: var(--evergreen); }
.az { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 2rem; }
.glossary { margin: 0; max-width: 48rem; }
.glossary-item { padding: 1rem 0; border-top: 1px solid var(--paper-line); scroll-margin-top: 1rem; }
.glossary-item:target { background: var(--evergreen-tint); padding-inline: 1rem; border-radius: var(--radius-sm); }
.glossary dt { font: 500 1.25rem/1.3 var(--serif); margin-bottom: .25rem; }
.glossary dd { margin: 0; color: var(--ink-soft); }
.checklist { list-style: none; padding: 0 !important; display: grid; gap: .5rem; }
.checklist label { display: flex; gap: .75rem; align-items: flex-start; padding: .8rem 1rem; background: var(--paper-raised); border: 1px solid var(--paper-line); border-radius: var(--radius-sm); cursor: pointer; }
.checklist input { width: 1.2rem; height: 1.2rem; margin-top: .2rem; accent-color: var(--evergreen); flex: none; }

/* Signup */
.signup-band { background: var(--evergreen-tint); border-top: 1px solid var(--paper-line); }
.signup-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3) var(--space-4); padding-block: var(--space-4); align-items: center; }
.signup-copy h2 { margin-bottom: .35rem; }
.signup-copy p { margin: 0; color: var(--ink-soft); }
.signup-form label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: .4rem; color: var(--evergreen-deep); }
.signup-row { display: flex; gap: .5rem; }
.signup-form input[type="email"] { flex: 1; min-width: 0; min-height: 2.9rem; padding: .6rem .9rem; font: inherit; color: var(--ink); background: var(--paper-raised); border: 2px solid var(--ink-mute); border-radius: var(--radius-sm); }
.signup-form input[type="email"]:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 1px; border-color: var(--evergreen); }
.signup-fine { font-size: .82rem; color: var(--ink-soft); margin: .6rem 0 0; }
.signup-status { margin: .4rem 0 0; font-weight: 500; color: var(--evergreen-deep); min-height: 1.4em; }
.signup-status:empty { min-height: 0; margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { background: var(--night); color: var(--paper-deep); padding-block: var(--space-4) var(--space-3); }
.site-footer a { color: var(--paper); }
.site-footer a:hover { color: var(--brass-light); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; padding-bottom: 1.5rem; border-bottom: 1px solid var(--night-raised); }
.footer-name { font: 500 1.3rem/1.2 var(--serif); color: var(--paper); margin-bottom: .3rem; }
.footer-tag { margin: 0; font-size: .93rem; }
.footer-yt { margin: .6rem 0 0; font-size: .93rem; }
.footer-nav { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.footer-legal { padding-top: 1.25rem; font-size: .88rem; }
.footer-legal p { max-width: 52rem; }
.footer-legal .meta { color: var(--brass-light); margin: 0; }

/* Responsive */
@media (max-width: 860px) {
  .hero-inner, .signup-inner, .episode-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 26rem; }
  .episode-side { position: static; }
}
@media (max-width: 520px) {
  body { font-size: 1rem; }
  .header-inner { min-height: 0; padding-block: .75rem; }
  .nav { width: 100%; margin-left: -.8rem; }
  .nav a { padding: .5rem .8rem; }
  .signup-row { flex-direction: column; }
  .hero-actions .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
@media print {
  .site-header, .site-footer, .signup-band, .episode-side, .video, [data-print], .skip-link { display: none !important; }
  body { background: #fff; }
  .checklist label { border-color: #999; }
}