/* House Pulse case page. Colours come from tokens.css (dark); the three art colours below are the
   app's own: teal = live/the router, violet = the replay, red = blocked. */
:root {
  --void: #04060c;
  --teal: #5eead4;
  --violet: #a78bfa;
  --red: #ff4d5e;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Inter", var(--ds-font-ui);
  --mono: "JetBrains Mono", var(--ds-font-code);
  --line: rgba(255, 255, 255, .09);
  --card: rgba(255, 255, 255, .035);
}
:root:not([data-theme="light"]) { color-scheme: dark; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--void); scroll-behavior: smooth; }
body {
  font-family: var(--sans); color: var(--ds-on-dark); background: var(--void);
  -webkit-font-smoothing: antialiased; line-height: 1.6; overflow-x: hidden;
}
.sky {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 45% at 50% 18%, rgba(45, 212, 191, .10), transparent 70%),
    radial-gradient(40% 35% at 85% 60%, rgba(167, 139, 250, .07), transparent 70%),
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.5), transparent 60%),
    radial-gradient(1px 1px at 68% 12%, rgba(255,255,255,.4), transparent 60%),
    radial-gradient(1px 1px at 82% 34%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 30% 70%, rgba(255,255,255,.3), transparent 60%),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(1px 1px at 6% 88%, rgba(255,255,255,.3), transparent 60%),
    var(--void);
}
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; color: #e9fffb; letter-spacing: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.me { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.me img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 0 20px rgba(94, 234, 212, .25); }
.me span { font-weight: 600; font-size: 15px; display: grid; line-height: 1.25; }
.me small { font-weight: 400; font-size: 12px; color: var(--ds-on-dark-soft); }
.me:hover span { color: var(--teal); }

/* hero */
.hero { text-align: center; padding: clamp(28px, 6vw, 72px) 0 clamp(20px, 3vw, 36px); }
.kicker { display: inline-block; font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--teal); }
h1 { margin: 14px auto 0; font-size: clamp(42px, 7.4vw, 92px); line-height: 1; font-weight: 650; letter-spacing: -.035em; max-width: 19ch; }
h1 em { font-size: 1.08em; letter-spacing: -.01em; }
.lede { margin: 22px auto 0; max-width: 640px; font-size: clamp(16px, 1.6vw, 19px); color: var(--ds-on-dark-soft); }

/* the stage: a TV and a phone, both live */
.stage { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; padding: 20px 0 10px; }
.tv { width: 100%; max-width: 1000px; justify-self: end; position: relative; }
.bezel {
  position: relative; aspect-ratio: 16 / 9; border-radius: 18px; padding: 12px;
  background: linear-gradient(160deg, #23262f, #0d0f14 45%, #15171d);
  box-shadow: 0 0 0 1px rgba(255,255,255,.07), 0 40px 120px -20px rgba(45, 212, 191, .22), 0 30px 60px rgba(0,0,0,.6);
}
.bezel iframe { width: 100%; height: 100%; border: 0; border-radius: 8px; background: #05070f; display: block; }
.led { position: absolute; bottom: 4px; left: 50%; width: 4px; height: 4px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); transform: translateX(-50%); }
.neck { width: 120px; height: 46px; margin: 0 auto; background: linear-gradient(90deg, #0d0f14, #262a33 50%, #0d0f14); clip-path: polygon(30% 0, 70% 0, 82% 100%, 18% 100%); }
.foot { width: 300px; height: 10px; margin: 0 auto; border-radius: 6px; background: linear-gradient(#2a2e38, #0d0f14); box-shadow: 0 18px 30px rgba(0,0,0,.6); }

.phone { position: relative; z-index: 2; margin-left: -34px; margin-bottom: 0; --w: 236px; --s: calc((var(--w) - 20px) / 390px); }
.shell {
  position: relative; width: var(--w); height: calc(844px * var(--s) + 20px); padding: 10px; border-radius: 42px;
  background: linear-gradient(150deg, #2b2f39, #0b0d12 40%, #1b1e25);
  box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 40px 80px rgba(0,0,0,.65), 0 0 60px -10px rgba(167, 139, 250, .25);
  overflow: hidden;
}
.shell iframe { width: 390px; height: 844px; border: 0; border-radius: 34px; transform: scale(var(--s)); transform-origin: 0 0; display: block; background: #05070f; }
.island { position: absolute; z-index: 2; top: 18px; left: 50%; width: 64px; height: 18px; border-radius: 10px; background: #000; transform: translateX(-50%); }

.try { grid-column: 1 / -1; margin: 26px auto 0; max-width: 720px; text-align: center; font-size: 14px; color: var(--ds-on-dark-soft); }
.try b { color: var(--ds-on-dark); font-weight: 600; }
.try .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px var(--teal); margin-inline-end: 8px; vertical-align: 1px; animation: beat 1.8s ease-in-out infinite; }
@keyframes beat { 50% { opacity: .35; } }

/* sections */
section:not(.hero):not(.stage):not(.band) { padding: clamp(64px, 9vw, 120px) 0 0; }
.eyebrow { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--teal); }
h2 { margin-top: 12px; font-size: clamp(30px, 4.2vw, 52px); line-height: 1.06; font-weight: 650; letter-spacing: -.03em; max-width: 22ch; }
h3 { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.intro { margin-top: 18px; max-width: 720px; font-size: 17px; color: var(--ds-on-dark-soft); }

.cards { margin-top: 34px; display: grid; gap: 14px; }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards article { padding: 22px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }
.cards article p { margin-top: 8px; font-size: 15px; color: var(--ds-on-dark-soft); }

/* legend glyphs drawn in CSS, matching the app */
.g { display: block; width: 46px; height: 46px; margin-bottom: 16px; border-radius: 50%; position: relative; }
.g.core { background: radial-gradient(circle, #fff 0 14%, rgba(94,234,212,.7) 26%, transparent 64%); }
.g.core::after { content: ''; position: absolute; inset: 4px; border: 1px solid rgba(165,243,252,.55); border-radius: 30%; transform: rotate(18deg); }
.g.devs { background:
  radial-gradient(circle at 22% 40%, #4fd1ff 0 4px, transparent 5px), radial-gradient(circle at 62% 22%, #f472b6 0 4px, transparent 5px),
  radial-gradient(circle at 74% 66%, #fbbf24 0 4px, transparent 5px), radial-gradient(circle at 36% 78%, #a3e635 0 4px, transparent 5px);
  filter: drop-shadow(0 0 6px rgba(255,255,255,.35)); }
.g.world { border: 1px dashed rgba(201,212,255,.4); background: radial-gradient(circle at 80% 30%, #e8ecff 0 3px, transparent 4px), radial-gradient(circle at 20% 72%, #e8ecff 0 3px, transparent 4px); }
.g.block { background: radial-gradient(circle, #ffe1dd 0 10%, rgba(255,77,94,.9) 22%, transparent 60%); filter: drop-shadow(0 0 10px rgba(255,77,94,.6)); }

/* numbers band */
.band { margin-top: clamp(64px, 9vw, 120px); border-block: 1px solid var(--line); background: linear-gradient(90deg, rgba(45,212,191,.04), rgba(167,139,250,.05)); }
.nums { display: grid; grid-template-columns: repeat(4, 1fr); padding: 34px 0; gap: 16px; text-align: center; }
.nums b { display: block; font-size: clamp(30px, 4vw, 48px); font-weight: 300; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.nums b.red { color: var(--red); text-shadow: 0 0 24px rgba(255, 77, 94, .45); }
.nums span { font-size: 13px; color: var(--ds-on-dark-soft); }

/* photos: two tall, one wide, one square-ish */
.photos { margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr 1.25fr; grid-template-rows: auto auto; gap: 14px; }
.photos figure { position: relative; overflow: hidden; border-radius: 20px; border: 1px solid var(--line); background: #0b0d14; }
.photos img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.photos figure:hover img { transform: scale(1.03); }
.photos figcaption { position: absolute; inset: auto 0 0; padding: 40px 16px 14px; font-size: 13px; color: #e6e9f5;
  background: linear-gradient(transparent, rgba(4, 6, 12, .88)); }
.p1 { grid-column: 3; grid-row: 1; aspect-ratio: 4 / 5; }
.p2 { grid-column: 1; grid-row: 1 / span 2; }
.p3 { grid-column: 2; grid-row: 1 / span 2; }
/* the tall photos fill whatever height the right column sets, instead of setting it */
.p2 img, .p3 img { position: absolute; inset: 0; }
.p3 img { object-position: 30% 50%; }
.p4 { grid-column: 3; grid-row: 2; aspect-ratio: 16 / 10; }

/* pipeline */
.pipe { margin-top: 34px; list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: s; }
.pipe li { position: relative; padding: 22px 22px 22px; border-radius: 20px; border: 1px solid var(--line); background: var(--card); counter-increment: s; }
.pipe li::before { content: "0" counter(s); font-family: var(--mono); font-size: 12px; color: var(--teal); display: block; margin-bottom: 10px; }
.pipe li:not(:last-child)::after { content: ""; position: absolute; top: 34px; right: -12px; width: 10px; height: 1px; background: rgba(94,234,212,.5); }
.pipe b { font-size: 17px; }
.pipe span { display: block; margin-top: 6px; font-size: 14px; color: var(--ds-on-dark-soft); }

/* AI */
.tag { display: inline-block; margin-bottom: 12px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-family: var(--mono); border: 1px solid; }
.tag.bad { color: #9aa3b8; border-color: rgba(154,163,184,.35); }
.tag.good { color: var(--teal); border-color: rgba(94,234,212,.4); }
.tag.warn { color: #ffb36b; border-color: rgba(255,179,107,.4); }
.lesson { margin-top: 28px; max-width: 820px; font-family: var(--serif); font-style: italic; font-size: clamp(24px, 2.8vw, 34px); line-height: 1.25; color: #e9fffb; }

/* stack + footer */
.chips { margin-top: 20px; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: 14px; }
.note { margin-top: 22px; max-width: 720px; font-size: 13px; color: var(--ds-on-dark-soft); }
footer { display: flex; justify-content: space-between; padding: 80px 0 40px; font-size: 13px; color: var(--ds-on-dark-soft); }
footer a { color: var(--teal); text-decoration: none; }

/* phones and narrow windows */
@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr; justify-items: center; }
  .tv { justify-self: center; }
  .phone { margin: 34px 0 0; }
  .cards.four { grid-template-columns: repeat(2, 1fr); }
  .pipe { grid-template-columns: repeat(2, 1fr); }
  .pipe li::after { display: none; }
}
@media (max-width: 720px) {
  .bezel { padding: 6px; border-radius: 12px; }
  .neck { width: 70px; height: 26px; } .foot { width: 170px; }
  .phone { --w: 240px; }
  .cards.three, .cards.two, .cards.four, .pipe { grid-template-columns: 1fr; }
  .nums { grid-template-columns: repeat(2, 1fr); }
  .photos { grid-template-columns: 1fr 1fr; }
  .p1, .p2, .p3, .p4 { grid-column: auto; grid-row: auto; aspect-ratio: 3 / 4; }
  .p2 img, .p3 img { position: static; }
  .p4 { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
  .p1 { grid-column: 1 / -1; aspect-ratio: 4 / 3; }
}
@media (prefers-reduced-motion: reduce) { .try .dot { animation: none; } .photos img { transition: none; } }