/* ============================================================
   TechPlainly — shared stylesheet
   Colours, type, spacing and motion come from tokens.css, which the
   brand canvas documents too. Change a value THERE, not here.

   LIGHT IS THE DEFAULT. Dark applies only when someone chooses it
   with the toggle ([data-theme="dark"]) — the OS preference does
   not override the brand.
   ============================================================ */

:root {
  color-scheme: light;

  /* ---- semantic names, mapped onto the design tokens ---- */
  --bg:        var(--tp-off-white);
  --bg-alt:    var(--tp-mist);
  --surface:   var(--tp-white);
  --ink:       var(--tp-ink);
  --ink-2:     var(--tp-ink-soft);
  --muted:     var(--tp-grey);
  --line:      var(--tp-line);
  --line-2:    var(--tp-line-2);
  --accent:    var(--tp-blue);
  --accent-2:  var(--tp-blue-deep);
  --accent-bg: var(--tp-blue-tint);

  /* On light the paste area is the dark panel — that IS the contrast. */
  --code-bg:   var(--tp-navy-900);
  --code-bar:  var(--tp-navy-700);
  --code-ink:  var(--tp-code-ink);

  --shadow:    var(--tp-shadow-light);

  --sans: var(--tp-font-display);
  --mono: var(--tp-font-mono);

  --page: 1120px;
  --prose: 680px;
  --r: var(--tp-radius);
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg:        var(--tp-navy-900);
  --bg-alt:    var(--tp-navy-800);
  --surface:   var(--tp-navy-700);
  --ink:       var(--tp-off-white);
  --ink-2:     var(--tp-ink-dim);
  --muted:     var(--tp-grey);
  --line:      var(--tp-navy-600);
  --line-2:    var(--tp-navy-500);
  --accent:    var(--tp-blue-light);
  --accent-2:  var(--tp-blue);
  --accent-bg: var(--tp-blue-dim);

  /* On dark the paste area sits ABOVE the page, not below it — a
     paste area should read as a raised panel, not a hole. */
  --code-bg:   var(--tp-navy-700);
  --code-bar:  var(--tp-navy-600);
  --code-ink:  var(--tp-code-ink);

  --shadow:    var(--tp-shadow-dark);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.022em; margin: 0; font-weight: 700; }
p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }
::selection { background: var(--accent); color: #fff; }

.wrap { max-width: var(--page); margin: 0 auto; padding: 0 24px; }
.prose-wrap { max-width: var(--prose); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 20px;
  height: 62px;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 680; letter-spacing: -.03em; font-size: 17px;
  color: var(--ink); text-decoration: none; margin-right: auto;
}
.brand .mark {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  font: 600 13px/1 var(--mono);
}
.nav { display: flex; gap: 22px; align-items: center; }
.nav a {
  color: var(--ink-2); text-decoration: none; font-size: 14.5px; font-weight: 500;
}
.nav a:hover { color: var(--accent); }
.theme-btn {
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink-2);
  width: 32px; height: 32px; border-radius: 8px; cursor: pointer;
  display: grid; place-items: center; font-size: 14px; padding: 0;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 720px) { .nav .hide-sm { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 84px 0 60px; border-bottom: 1px solid var(--line); }
.eyebrow {
  font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px; display: flex; align-items: center; gap: 9px;
}
.eyebrow::after { content: ""; flex: 1; height: 1px; background: var(--line-2); max-width: 90px; }
.hero h1 {
  font-size: clamp(34px, 5.6vw, 58px);
  letter-spacing: -.035em; max-width: 15ch; margin-bottom: 22px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede {
  font-size: clamp(17px, 2vw, 19.5px); color: var(--ink-2);
  max-width: 58ch; margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 19px; border-radius: 8px;
  font-size: 14.5px; font-weight: 560; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- "what we are" cards ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 34px; max-width: 62ch; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 31px); margin-bottom: 12px; }
.section-head p { color: var(--muted); margin: 0; }

.cards { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 24px;
}
.card .num {
  font: 600 11px/1 var(--mono); color: var(--accent);
  background: var(--accent-bg); border-radius: 5px;
  padding: 5px 7px; display: inline-block; margin-bottom: 14px;
  letter-spacing: .06em;
}
.card h3 { font-size: 17.5px; margin-bottom: 9px; }
.card p { color: var(--ink-2); font-size: 14.8px; margin: 0; }

/* ---------- filter chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip {
  font: 500 13px/1 var(--sans);
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--surface);
  color: var(--ink-2); cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ---------- post list ---------- */
.posts { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .posts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 660px) { .posts { grid-template-columns: 1fr; } }

.post-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 22px; text-decoration: none; color: inherit;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.post-card:hover { border-color: var(--line-2); transform: translateY(-2px); box-shadow: var(--shadow); }
.post-card[hidden] { display: none; }
.meta-row { display: flex; align-items: center; gap: 8px; margin-bottom: 13px; flex-wrap: wrap; }
.tag {
  font: 600 10.5px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase;
  padding: 5px 7px; border-radius: 5px;
  background: var(--accent-bg); color: var(--accent);
}
.tag.neutral { background: var(--bg-alt); color: var(--muted); }
.tag.neutral { background: var(--bg-alt); }
:root[data-theme="dark"] .tag.neutral { background: var(--line); }
.post-card h3 { font-size: 18px; margin-bottom: 9px; letter-spacing: -.02em; }
.post-card:hover h3 { color: var(--accent); }
.post-card p { color: var(--ink-2); font-size: 14.6px; margin: 0 0 18px; }
.post-foot {
  margin-top: auto; display: flex; gap: 10px; align-items: center;
  font: 500 12.5px/1 var(--mono); color: var(--muted);
}
.post-foot .dot { opacity: .5; }

/* featured card spans wider */
.post-card.feature { grid-column: span 2; }
@media (max-width: 660px) { .post-card.feature { grid-column: span 1; } }
.post-card.feature h3 { font-size: 24px; }
.post-card.feature p { font-size: 15.5px; }

/* ---------- prompt block (the signature component) ---------- */
.prompt {
  background: var(--code-bg); border-radius: var(--r);
  overflow: hidden; margin: 28px 0; border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}
.prompt-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px 10px 14px;
  background: var(--code-bar);
  border-bottom: 1px solid rgba(255,255,255,.08);
  font: 500 12px/1 var(--mono); color: var(--tp-grey);
}
.prompt-bar .label { color: var(--tp-code-ink); letter-spacing: .02em; }
.prompt-bar .for { margin-left: auto; opacity: .8; }
.copy-btn {
  border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05);
  color: var(--tp-code-ink); border-radius: 6px; padding: 6px 10px;
  font: 500 11.5px/1 var(--mono); cursor: pointer;
}
.copy-btn:hover { background: rgba(255,255,255,.12); }
.copy-btn.done { color: var(--tp-success); border-color: color-mix(in srgb, var(--tp-success) 40%, transparent); }
.prompt pre {
  margin: 0; padding: 16px 18px; overflow-x: auto;
  color: var(--code-ink); font: 13.2px/1.65 var(--mono);
  white-space: pre-wrap; word-break: break-word;
}
.prompt pre .var { color: var(--tp-signal); }
.hl { color: var(--accent-2); font-weight: 600; }

/* ---------- article ---------- */
.article-head { padding: 56px 0 34px; }
.back-link {
  font: 500 13.5px/1 var(--sans); color: var(--muted);
  text-decoration: none; display: inline-block; margin-bottom: 26px;
}
.back-link:hover { color: var(--accent); }
.article-head h1 {
  font-size: clamp(30px, 4.6vw, 44px); letter-spacing: -.032em; margin-bottom: 18px;
}
.article-head .dek { font-size: 18.5px; color: var(--ink-2); margin-bottom: 24px; }
.byline {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font: 500 13px/1 var(--mono); color: var(--muted);
  padding-top: 20px; border-top: 1px solid var(--line);
}

.article { padding-bottom: 60px; }
.article h2 { font-size: 25px; margin: 46px 0 14px; letter-spacing: -.025em; }
.article h3 { font-size: 18.5px; margin: 32px 0 10px; }
.article p, .article li { font-size: 16.8px; line-height: 1.72; color: var(--ink-2); }
.article strong { color: var(--ink); font-weight: 620; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 1.2em; }
.article li { margin-bottom: .45em; }
.article code {
  font: 13.6px/1 var(--mono); background: var(--bg-alt);
  border: 1px solid var(--line); border-radius: 4px; padding: 2px 5px;
}

.tldr {
  background: var(--accent-bg); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: var(--r); padding: 20px 22px; margin: 30px 0;
}
.tldr h4 {
  font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 11px;
}
.tldr p, .tldr li { color: var(--ink); font-size: 15.6px; margin-bottom: .4em; }
.tldr :last-child { margin-bottom: 0; }

.callout {
  border-left: 3px solid var(--accent); padding: 4px 0 4px 18px; margin: 28px 0;
}
.callout p { margin: 0; color: var(--ink-2); }
.callout .kicker {
  display: block; font: 600 11px/1 var(--mono); letter-spacing: .09em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}

figure { margin: 32px 0; }
figure .frame {
  border: 1px solid var(--line-2); border-radius: var(--r);
  background: var(--bg-alt); overflow: hidden;
}
figure .placeholder {
  aspect-ratio: 16/9; display: grid; place-items: center;
  color: var(--muted); font: 500 13px/1.6 var(--mono); text-align: center; padding: 20px;
}
figcaption { font-size: 13.8px; color: var(--muted); margin-top: 10px; }

.table-wrap { overflow-x: auto; margin: 28px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14.8px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
th { font: 600 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
td { color: var(--ink-2); }
td:first-child { color: var(--ink); font-weight: 550; }

/* ---------- subscribe ---------- */
.subscribe {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 34px; text-align: center;
}
.subscribe h2 { font-size: 25px; margin-bottom: 10px; }
.subscribe p { color: var(--muted); max-width: 46ch; margin: 0 auto 22px; font-size: 15px; }
.sub-form { display: flex; gap: 9px; max-width: 430px; margin: 0 auto; }
@media (max-width: 520px) { .sub-form { flex-direction: column; } }
.sub-form input {
  flex: 1; padding: 11px 14px; font: 15px var(--sans);
  border: 1px solid var(--line-2); border-radius: 8px;
  background: var(--bg); color: var(--ink);
}
.sub-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.sub-note { font: 12.5px/1.5 var(--mono); color: var(--muted); margin-top: 14px; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); padding: 40px 0; margin-top: 20px;
  color: var(--muted); font-size: 14px;
}
.site-footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.site-footer .links { margin-left: auto; display: flex; gap: 18px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ============================================================
   WHAT WE DO — "Teach AI" section
   ============================================================ */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 34px; } }

.statement { font-size: clamp(22px, 3vw, 29px); line-height: 1.32; letter-spacing: -.026em; color: var(--ink); margin-bottom: 18px; }
.statement em { font-style: normal; color: var(--accent); }
.split .body p { color: var(--ink-2); font-size: 16px; }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
  display: grid; grid-template-columns: 22px 1fr; gap: 12px;
  padding: 15px 0; border-bottom: 1px solid var(--line);
  font-size: 15.4px; color: var(--ink-2);
}
.checklist li:first-child { padding-top: 0; }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: "→"; color: var(--accent); font: 600 15px/1.5 var(--mono);
}
.checklist strong { color: var(--ink); font-weight: 620; display: block; margin-bottom: 2px; }

.stats { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 34px; }
.stat .n {
  font: 620 30px/1 var(--sans); letter-spacing: -.03em; color: var(--ink); display: block; margin-bottom: 6px;
}
.stat .l {
  font: 500 11.5px/1.4 var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--muted);
}

/* ============================================================
   SESSION LIST — names as links
   ============================================================ */
.session-list { border-top: 1px solid var(--line-2); }
.session-row {
  display: grid;
  grid-template-columns: 62px 1fr 190px 96px;
  gap: 20px; align-items: baseline;
  padding: 22px 14px 22px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: inherit;
  border-radius: 6px;
}
.session-row:hover { background: var(--surface); box-shadow: inset 2px 0 0 var(--accent); }
.session-row .idx { font: 500 12.5px/1.6 var(--mono); color: var(--muted); }
.session-row .name {
  font-size: 18px; font-weight: 600; letter-spacing: -.021em; color: var(--ink);
  margin: 0 0 6px;
}
.session-row:hover .name { color: var(--accent); }
.session-row .sub { font-size: 14.4px; color: var(--muted); margin: 0; }
.session-row .who { font: 500 13px/1.5 var(--mono); color: var(--ink-2); }
.session-row .when { font: 500 13px/1.5 var(--mono); color: var(--muted); text-align: right; }

@media (max-width: 800px) {
  .session-row { grid-template-columns: 40px 1fr; }
  .session-row .who { grid-column: 2; font-size: 12.5px; }
  .session-row .when { grid-column: 2; text-align: left; font-size: 12.5px; margin-top: 2px; }
}

.session-row .badge {
  display: inline-block; margin-left: 9px; vertical-align: 2px;
  font: 600 10px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase;
  padding: 4px 6px; border-radius: 4px; background: var(--accent-bg); color: var(--accent);
}

.session-row.featured {
  background: var(--surface);
  box-shadow: inset 4px 0 0 var(--accent);
}
.session-row.featured:hover { background: var(--surface); box-shadow: inset 4px 0 0 var(--accent); }
.session-row.featured .badge { background: var(--accent); color: #fff; }

/* ============================================================
   SESSION DETAIL PAGE
   ============================================================ */
.fact-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; margin: 30px 0;
}
@media (max-width: 700px) { .fact-grid { grid-template-columns: repeat(2, 1fr); } }
.fact { background: var(--surface); padding: 16px 18px; }
.fact dt {
  font: 600 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.fact dd { margin: 0; font-size: 15px; font-weight: 560; color: var(--ink); }

/* run sheet / agenda */
.agenda { list-style: none; padding: 0; margin: 24px 0; }
.agenda li {
  display: grid; grid-template-columns: 78px 1fr; gap: 18px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.agenda li:last-child { border-bottom: 0; }
.agenda .t { font: 500 13px/1.7 var(--mono); color: var(--accent); }
.agenda h4 { font-size: 16px; margin: 0 0 5px; letter-spacing: -.015em; }
.agenda p { margin: 0; font-size: 14.8px; color: var(--ink-2); }

/* materials / downloads */
.materials { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 26px 0; }
@media (max-width: 620px) { .materials { grid-template-columns: 1fr; } }
.material {
  display: flex; gap: 13px; align-items: center;
  border: 1px solid var(--line); background: var(--surface);
  border-radius: 8px; padding: 14px 16px; text-decoration: none; color: inherit;
}
.material:hover { border-color: var(--accent); }
.material .ic {
  width: 30px; height: 30px; flex: none; border-radius: 7px;
  background: var(--accent-bg); color: var(--accent);
  display: grid; place-items: center; font: 600 13px/1 var(--mono);
}
.material .tt { font-size: 14.6px; font-weight: 570; color: var(--ink); display: block; }
.material .ss { font: 12px/1.4 var(--mono); color: var(--muted); }

/* Q&A */
.qa { margin: 26px 0; }
.qa details {
  border-bottom: 1px solid var(--line); padding: 15px 0;
}
.qa summary {
  cursor: pointer; font-size: 15.8px; font-weight: 570; color: var(--ink);
  list-style: none; display: flex; gap: 12px; align-items: flex-start;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before { content: "Q"; color: var(--accent); font: 600 13px/1.5 var(--mono); flex: none; }
.qa details[open] summary { margin-bottom: 10px; }
.qa .a { display: grid; grid-template-columns: 25px 1fr; gap: 12px; }
.qa .a::before { content: "A"; color: var(--muted); font: 600 13px/1.6 var(--mono); }
.qa .a p { margin: 0 0 .7em; font-size: 15.4px; color: var(--ink-2); }
.qa .a p:last-child { margin-bottom: 0; }

/* Compact session rows — for narrow columns (e.g. inside an article) */
.session-row.compact {
  grid-template-columns: 54px 1fr 92px;
  padding: 17px 10px 17px 4px;
  align-items: center;
}
.session-row.compact .name { font-size: 16px; margin-bottom: 4px; }
.session-row.compact .sub { font-size: 13.6px; }
.session-row.compact .who { display: none; }
.session-row.compact .when { font-size: 12px; }
@media (max-width: 800px) {
  .session-row.compact { grid-template-columns: 40px 1fr; }
  .session-row.compact .when { grid-column: 2; text-align: left; }
}

/* ============================================================
   YOUTUBE — channel links + click-to-load video embeds
   ============================================================ */
.btn-yt { background: var(--tp-youtube); color: #fff; }
.btn-yt:hover { background: var(--tp-youtube-2); }
.btn .yt-ic { width: 17px; height: 12px; flex: none; }

.nav .yt-link { display: flex; align-items: center; gap: 6px; }
.nav .yt-link svg { width: 18px; height: 13px; }
.nav .yt-link:hover svg path { fill: var(--accent); }

/* The embed only loads YouTube after a click — no third-party
   cookies or 1MB of player JS on page load. */
.video {
  position: relative; aspect-ratio: 16/9; width: 100%;
  background: #000; border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--line-2);
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video .facade {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0; padding: 0; cursor: pointer; display: block;
  background: #000 center/cover no-repeat;
}
.video .facade::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.45));
}
.video .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 66px; height: 46px; border-radius: 12px; background: var(--tp-youtube);
  display: grid; place-items: center; z-index: 2;
}
.video .facade:hover .play { background: var(--tp-youtube); }
.video .play svg { width: 20px; height: 22px; }
.video .vlabel {
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 2;
  color: #fff; font: 550 14px/1.4 var(--sans); text-align: left;
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
}
.video .noid {
  position: absolute; inset: 0; display: grid; place-items: center; z-index: 3;
  color: var(--tp-grey); font: 500 13px/1.7 var(--mono); text-align: center; padding: 24px;
  background: var(--bg-alt);
}
.video .noid code { color: var(--accent); }

/* timestamp links into the video */
.ts {
  font: 500 13px/1.7 var(--mono); color: var(--accent);
  text-decoration: none; border-bottom: 1px solid transparent;
}
.ts:hover { border-bottom-color: var(--accent); }
.agenda .t .ts { color: var(--accent); }

/* runtime line on a session row */
.session-row .runtime {
  font: 500 12px/1.5 var(--mono); color: var(--muted); margin: 6px 0 0;
}
.session-row .runtime .play-dot { color: var(--tp-youtube); }

/* channel CTA band */
.channel-band {
  display: flex; gap: 26px; align-items: center; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 26px 28px;
}
.channel-band .txt { flex: 1 1 320px; }
.channel-band h3 { font-size: 20px; margin-bottom: 7px; }
.channel-band p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* ============================================================
   STEPS — numbered walkthrough on a demo page
   ============================================================ */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 26px 0; }
.steps > li {
  counter-increment: step;
  display: grid; grid-template-columns: 34px 1fr; gap: 18px;
  padding: 0 0 26px; position: relative;
}
.steps > li::before {
  content: counter(step);
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  font: 600 13px/1 var(--mono);
}
/* connector line down the left */
.steps > li:not(:last-child)::after {
  content: ""; position: absolute; left: 13.5px; top: 34px; bottom: 8px;
  width: 1px; background: var(--line-2);
}
.steps h3 { font-size: 17.5px; margin: 3px 0 8px; letter-spacing: -.018em; }
.steps p { margin: 0 0 12px; font-size: 15.8px; color: var(--ink-2); }
.steps > li > div > :last-child { margin-bottom: 0; }
.steps .prompt { margin: 14px 0 0; }
@media (max-width: 560px) {
  .steps > li { grid-template-columns: 26px 1fr; gap: 13px; }
  .steps > li::before { width: 24px; height: 24px; font-size: 12px; }
  .steps > li:not(:last-child)::after { left: 11.5px; }
}

/* a plain requirements list */
.reqs { list-style: none; padding: 0; margin: 20px 0; }
.reqs li {
  display: grid; grid-template-columns: minmax(140px, auto) 1fr auto;
  gap: 6px 16px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  font-size: 15.2px; color: var(--ink-2);
}
.reqs li:last-child { border-bottom: 0; }
.reqs .what { font-weight: 570; color: var(--ink); }
.reqs .ver { font: 500 13px/1.5 var(--mono); color: var(--muted); text-align: right; }
@media (max-width: 560px) {
  /* stack, so a long version string can never push off the edge */
  .reqs li { grid-template-columns: 1fr auto; }
  .reqs .what { grid-column: 1; }
  .reqs .ver { grid-column: 2; grid-row: 1; }
  .reqs li > span:nth-child(2) { grid-column: 1 / -1; font-size: 14.4px; }
}

/* ============================================================
   SCREENSHOTS — inline in a step, or full width in the article
   ============================================================ */
.shot { margin: 14px 0 0; }
.shot img, .shot video {
  width: 100%; border: 1px solid var(--line-2); border-radius: 8px;
  background: var(--bg-alt); display: block;
}
.shot figcaption { font-size: 13.4px; color: var(--muted); margin-top: 8px; }
/* empty slot, so an unfilled screenshot reads as "to do" not as broken */
.shot .slot {
  border: 1px dashed var(--line-2); border-radius: 8px; background: var(--bg-alt);
  aspect-ratio: 16/9; display: grid; place-items: center; text-align: center; padding: 18px;
  color: var(--muted); font: 500 12.5px/1.7 var(--mono);
}
.shot .slot code { color: var(--accent); }
.shot.wide { margin: 26px 0; }

/* ============================================================
   PORTFOLIO — compact hero + project write-ups
   ============================================================ */
.hero.hero-compact { padding: 44px 0 30px; }
.hero-compact .eyebrow { margin-bottom: 12px; }
.hero-compact h1 { font-size: clamp(28px, 4.4vw, 42px); margin-bottom: 12px; }
.hero-compact h1 em { color: #ff66c4; }
.hero-compact .lede { font-size: 16px; margin-bottom: 8px; }
.hero-compact .lede.lede-sub { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; }
.hero-compact .stats { margin-top: 22px; gap: 28px; }
.hero-compact .stat .n { font-size: 24px; margin-bottom: 3px; }

.work-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; align-items: start; }
@media (max-width: 860px) { .work-groups { grid-template-columns: 1fr; } }
.work-group-head {
  font: 600 11.5px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 14px;
}
.work-list { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); align-items: start; margin-bottom: 0; }
.work-list.work-list-single { grid-template-columns: 1fr; }
@media (max-width: 860px) { .work-list { grid-template-columns: 1fr; } }
.work-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 30px 32px;
}
.work-card.paused { opacity: .82; }

/* two related entries stacked in one card */
.work-combo { display: block; }
.work-divider { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.work-sub.paused { opacity: .82; }
.work-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; flex-wrap: wrap; margin-bottom: 6px;
}
.work-badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.work-cat {
  font: 600 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 8px; border-radius: 5px;
  background: var(--accent-bg); color: var(--accent); white-space: nowrap;
}
.work-status {
  font: 600 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 8px; border-radius: 5px;
  background: color-mix(in srgb, #ff66c4 14%, transparent); color: #d6449e; white-space: nowrap;
  border: 1px solid color-mix(in srgb, #ff66c4 35%, transparent);
}
:root[data-theme="dark"] .work-status { color: #ff66c4; }
.work-card h3 { font-size: 22px; letter-spacing: -.02em; margin-bottom: 5px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.work-visit {
  font: 600 12.5px/1 var(--mono); letter-spacing: 0; text-decoration: none;
  color: var(--accent); border: 1px solid var(--line-2); border-radius: 999px;
  padding: 4px 10px; white-space: nowrap;
}
.work-visit:hover { border-color: var(--accent); background: var(--accent-bg); }
.work-tagline { color: var(--ink-2); font-size: 15px; font-weight: 550; margin-bottom: 16px; }
.work-card p { color: var(--ink-2); font-size: 15.2px; margin: 0 0 12px; }
.work-card p:last-of-type { margin-bottom: 0; }
.work-metrics { display: flex; flex-wrap: wrap; gap: 22px; margin: 18px 0; }
.work-metrics .stat .n { font-size: 24px; }
.work-focus { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.work-focus span {
  font: 500 12.5px/1 var(--sans); padding: 6px 11px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--ink-2);
}
.work-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; font: 600 13.5px/1 var(--sans); text-decoration: none; color: var(--accent);
}
.work-link:hover { color: var(--accent-2); }

/* ============================================================
   NARROW SCREENS — must come last so these win over the
   component rules above (.nav .yt-link sets display:flex).
   ============================================================ */
@media (max-width: 720px) {
  .nav .hide-sm { display: none !important; }
}
@media (max-width: 520px) {
  .site-header .wrap { gap: 12px; height: 56px; }
  .nav { gap: 14px; }
  .nav a { font-size: 13.5px; }
  .brand { font-size: 15.5px; }
  .wrap, .prose-wrap { padding: 0 16px; }
  .hero { padding: 56px 0 44px; }
  .section { padding: 52px 0; }
  .subscribe { padding: 24px 18px; }
  .channel-band { padding: 20px; }
  .work-card { padding: 22px 20px; }
}
@media (max-width: 520px) {
  .nav .hide-xs { display: none; }
}
@media (max-width: 400px) {
  /* mark only — guarantees the nav fits on the narrowest phones */
  .brand .bname { display: none; }
}