/* ============================================================
   DEEP TIME — Observatory / Museum design system
   Black ground · gold accents · serif display · sparse stars
   ============================================================ */
:root {
  --void:     #08090C;
  --void-2:   #0C0E12;
  --panel:    #101319;
  --panel-2:  #14171F;
  --gold:     #C9A24B;
  --gold-br:  #E6CE8B;
  --gold-dim: #7E6A39;
  --paper:    #F2ECDD;
  --text:     #BFBAAD;
  --text-2:   #8C887C;
  --muted:    #635F55;
  --line:     rgba(201,162,75,0.20);
  --line-2:   rgba(242,236,221,0.09);
  --serif:    Georgia, 'Times New Roman', 'Iowan Old Style', serif;
  --sans:     'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono:     ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --mx:       clamp(24px, 6vw, 120px);
  --sy:       clamp(88px, 13vh, 168px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--void);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold); color: var(--void); }

/* sparse star field, applied to dark sections */
.stars { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.stars::before, .stars::after {
  content: ""; position: absolute; inset: -50%;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%, rgba(242,236,221,0.55), transparent),
    radial-gradient(1.2px 1.2px at 65% 18%, rgba(242,236,221,0.40), transparent),
    radial-gradient(1px 1px at 82% 55%, rgba(201,162,75,0.55), transparent),
    radial-gradient(1.3px 1.3px at 38% 72%, rgba(242,236,221,0.35), transparent),
    radial-gradient(1px 1px at 12% 85%, rgba(242,236,221,0.30), transparent),
    radial-gradient(1.1px 1.1px at 90% 88%, rgba(201,162,75,0.40), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(242,236,221,0.25), transparent),
    radial-gradient(1.2px 1.2px at 75% 78%, rgba(242,236,221,0.30), transparent);
  background-repeat: repeat;
  background-size: 480px 480px;
}
.stars::after { background-size: 300px 300px; opacity: 0.5; }

/* shared bits */
.label {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--gold);
}
.eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--text-2);
}
.rule { height: 1px; background: var(--line); border: 0; }

/* ── TOP NAV ── */
.dt-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px; padding: 0 var(--mx);
  display: flex; align-items: center; justify-content: space-between;
  background: color-mix(in srgb, var(--void) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.dt-nav.scrolled { border-bottom-color: var(--line); }
.dt-back {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-2);
  display: inline-flex; align-items: center; gap: 9px; transition: color .2s;
}
.dt-back:hover { color: var(--gold-br); }
.dt-back .ar { color: var(--gold); }
.dt-wordmark {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.42em;
  text-transform: uppercase; color: var(--paper); padding-left: 0.42em;
}
.dt-cta {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gold-br);
  border: 1px solid var(--line); padding: 9px 16px; transition: all .2s;
}
.dt-cta:hover { background: var(--gold); color: var(--void); border-color: var(--gold); }
@media (max-width: 680px) { .dt-wordmark { display: none; } }

/* ── HERO ── */
.dt-hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px var(--mx) 64px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.dt-hero .orbit {
  position: absolute; top: 50%; left: 50%;
  width: min(120vh, 1100px); aspect-ratio: 1; translate: -50% -50%;
  border-radius: 50%; border: 1px solid var(--line);
  opacity: 0.5; z-index: 0;
}
.dt-hero .orbit.o2 { width: min(86vh, 800px); opacity: 0.35; }
.dt-hero .orbit.o3 { width: min(52vh, 480px); opacity: 0.25; }
.dt-hero .orbit .planet {
  position: absolute; top: -4px; left: 50%; width: 8px; height: 8px;
  border-radius: 50%; background: var(--gold); translate: -50% 0;
  box-shadow: 0 0 14px 2px rgba(201,162,75,0.6);
}
.dt-hero-inner { position: relative; z-index: 2; max-width: 1100px; margin: 0 auto; width: 100%; text-align: center; }
.dt-hero .label { display: block; margin-bottom: 36px; }
.dt-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(58px, 13vw, 188px); line-height: 0.92;
  letter-spacing: 0.02em; color: var(--paper);
}
.dt-title .amp { color: var(--gold); }
.dt-tagline {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(20px, 3vw, 34px); color: var(--gold-br);
  margin-top: 34px; letter-spacing: 0.01em;
}
.dt-hero-meta {
  margin-top: 56px; display: flex; gap: 0; justify-content: center; flex-wrap: wrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  max-width: 760px; margin-left: auto; margin-right: auto;
}
.dt-hero-meta .m {
  padding: 20px 30px; flex: 1; min-width: 150px;
  border-right: 1px solid var(--line);
}
.dt-hero-meta .m:last-child { border-right: none; }
.dt-hero-meta .mk { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-2); margin-bottom: 8px; }
.dt-hero-meta .mv { font-family: var(--serif); font-size: 17px; color: var(--paper); }
.dt-scroll {
  margin-top: 52px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted); display: inline-flex; flex-direction: column;
  align-items: center; gap: 10px;
}
.dt-scroll .dot { width: 1px; height: 38px; background: linear-gradient(var(--gold), transparent); }

/* ── SECTION SCAFFOLD ── */
.dt-sec { position: relative; padding: var(--sy) var(--mx); }
.dt-sec-inner { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; }
.dt-sec-head { margin-bottom: 64px; }
.dt-sec-head .label { display: block; margin-bottom: 22px; }
.dt-sec-head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(34px, 5vw, 64px); line-height: 1.04; color: var(--paper);
  letter-spacing: 0.005em; max-width: 18ch;
}
.dt-lead {
  font-family: var(--serif); font-size: clamp(20px, 2.4vw, 28px); line-height: 1.5;
  color: var(--text); max-width: 40ch; margin-top: 28px;
}

/* ── OVERVIEW: lenses + horizons ── */
.dt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
@media (max-width: 900px) { .dt-split { grid-template-columns: 1fr; gap: 56px; } }
.dt-colhead { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 24px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.lens-list, .hz-list { display: flex; flex-direction: column; }
.lens-row {
  display: grid; grid-template-columns: 30px 1fr; gap: 18px; align-items: baseline;
  padding: 17px 0; border-bottom: 1px solid var(--line-2);
}
.lens-row .ln { font-family: var(--mono); font-size: 12px; color: var(--gold-dim); }
.lens-row .lname { font-family: var(--serif); font-size: 21px; color: var(--paper); }
.lens-row .ldesc { font-size: 13.5px; color: var(--text-2); margin-top: 3px; }
.hz-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 17px 0; border-bottom: 1px solid var(--line-2);
}
.hz-row .hv { font-family: var(--serif); font-size: clamp(22px, 2.6vw, 30px); color: var(--paper); }
.hz-row .hl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-2); }

/* ── INTERACTIVE DEMO ── */
.dt-demo-sec { background: var(--void-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dt-demo {
  border: 1px solid var(--line); background:
    radial-gradient(120% 80% at 50% 0%, rgba(201,162,75,0.06), transparent 60%), var(--panel);
  padding: clamp(28px, 5vw, 64px);
  position: relative; overflow: hidden;
}
.dt-demo .console-label {
  display: flex; align-items: center; gap: 12px; margin-bottom: 34px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-2);
}
.dt-demo .console-label .dot { width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 10px var(--gold); }
.dt-demo .prompt { font-family: var(--serif); font-size: clamp(22px, 3vw, 34px);
  color: var(--paper); line-height: 1.3; max-width: 22ch; margin-bottom: 38px; }
.dt-lens-picker { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.dt-lens-btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--text); background: transparent; cursor: pointer;
  border: 1px solid var(--line); padding: 11px 18px; transition: all .2s;
}
.dt-lens-btn:hover { border-color: var(--gold-dim); color: var(--paper); }
.dt-lens-btn.active { background: var(--gold); color: var(--void); border-color: var(--gold); }
.dt-response {
  border-top: 1px solid var(--line); padding-top: 34px; min-height: 180px;
}
.dt-response .resp-meta {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 18px;
  display: flex; align-items: center; gap: 10px;
}
.dt-response .resp-body {
  font-family: var(--serif); font-size: clamp(18px, 2.2vw, 23px); line-height: 1.62;
  color: var(--text); max-width: 56ch;
}
.dt-response .resp-body strong { color: var(--paper); font-weight: 400; font-style: italic; }
.dt-response .cursor { display: inline-block; width: 9px; height: 1.1em; vertical-align: -2px;
  background: var(--gold); margin-left: 3px; animation: dtblink 1s steps(1) infinite; }
@keyframes dtblink { 50% { opacity: 0; } }

/* ── MOBILE SCREENS GALLERY ── */
.dt-screens-sec { background: var(--void); }
.dt-screens-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 56px) clamp(24px, 3vw, 40px);
}
@media (max-width: 940px) { .dt-screens-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .dt-screens-grid { grid-template-columns: 1fr; justify-items: center; } }
.dt-screen-cell { display: flex; flex-direction: column; }
.dt-screen-cap {
  display: flex; align-items: baseline; gap: 12px; margin-top: 20px;
}
.dt-screen-cap .sn { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.1em; }
.dt-screen-cap .st { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-2); }

/* phone frame */
.phone {
  position: relative; width: 100%; max-width: 290px; aspect-ratio: 9 / 19.5;
  margin: 0 auto; border-radius: 38px; padding: 9px;
  background: linear-gradient(150deg, #20242C, #0B0D11 60%);
  box-shadow: 0 0 0 1px rgba(201,162,75,0.22), 0 30px 70px -30px rgba(0,0,0,0.9);
}
.phone-screen {
  position: relative; width: 100%; height: 100%; border-radius: 30px; overflow: hidden;
  background: var(--void); display: flex; flex-direction: column;
}
.phone-notch {
  position: absolute; top: 0; left: 50%; translate: -50% 0; z-index: 30;
  width: 38%; height: 22px; background: #000; border-radius: 0 0 12px 12px;
}
.phone-status {
  position: relative; z-index: 20; flex: 0 0 auto; height: 38px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px 0 22px;
  font-family: var(--sans); font-size: 11px; font-weight: 600; color: var(--paper);
}
.phone-status .sig { display: inline-flex; gap: 3px; align-items: flex-end; }
.phone-status .sig i { width: 3px; background: var(--paper); border-radius: 1px; display: block; }
.phone-status .sig i:nth-child(1){height:4px}.phone-status .sig i:nth-child(2){height:6px}
.phone-status .sig i:nth-child(3){height:8px}.phone-status .sig i:nth-child(4){height:10px}
.phone-body { position: relative; z-index: 10; flex: 1 1 auto; min-height: 0;
  display: flex; flex-direction: column; padding: 8px 22px 26px; }
.phone-home { position: absolute; bottom: 8px; left: 50%; translate: -50% 0;
  width: 34%; height: 4px; border-radius: 4px; background: rgba(242,236,221,0.4); z-index: 25; }

/* phone content primitives */
.ph-center { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 16px; }
.ph-kicker { font-family: var(--mono); font-size: 9px; letter-spacing: 0.34em; text-transform: uppercase; color: var(--gold); }
.ph-display { font-family: var(--serif); color: var(--paper); line-height: 0.98; letter-spacing: 0.06em; }
.ph-tag { font-family: var(--serif); font-style: italic; color: var(--gold-br); font-size: 14px; line-height: 1.35; }
.ph-body { font-size: 12.5px; color: var(--text); line-height: 1.55; }
.ph-btn {
  margin-top: 4px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--void); background: var(--gold); padding: 12px 26px; border-radius: 30px; align-self: center;
}
.ph-btn.ghost { background: transparent; color: var(--gold-br); border: 1px solid var(--line); }
.ph-h { font-family: var(--serif); font-size: 19px; color: var(--paper); line-height: 1.12; }
.ph-sub { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-2); }
.ph-scrollfade { position: absolute; left: 0; right: 0; bottom: 0; height: 60px;
  background: linear-gradient(transparent, var(--void)); pointer-events: none; z-index: 15; }

/* horizon cards (screen 03) */
.ph-cards { display: flex; flex-direction: column; gap: 9px; margin-top: 14px; }
.ph-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px;
  display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(120deg, rgba(201,162,75,0.05), transparent);
}
.ph-card.sel { border-color: var(--gold); background: linear-gradient(120deg, rgba(201,162,75,0.16), transparent); }
.ph-card .cv { font-family: var(--serif); font-size: 19px; color: var(--paper); }
.ph-card .cl { font-family: var(--mono); font-size: 8px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); margin-top: 2px; }
.ph-card .cgo { font-family: var(--mono); font-size: 13px; color: var(--gold); }

/* radial lens selector (screen 04) */
.ph-radial { position: relative; width: 100%; aspect-ratio: 1; margin: auto; max-width: 210px; }
.ph-radial .ring { position: absolute; inset: 20%; border: 1px solid var(--line); border-radius: 50%; }
.ph-radial .ring.r2 { inset: 34%; opacity: 0.6; }
.ph-radial .core {
  position: absolute; top: 50%; left: 50%; translate: -50% -50%;
  width: 30%; height: 30%; border-radius: 50%; border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-family: var(--serif); font-size: 9px; color: var(--gold-br); padding: 4px;
  background: radial-gradient(circle, rgba(201,162,75,0.18), transparent 70%);
}
.ph-lensnode {
  position: absolute; translate: -50% -50%;
  font-family: var(--mono); font-size: 8px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text); white-space: nowrap; text-align: center;
}
.ph-lensnode.on { color: var(--gold-br); }
.ph-lensnode::before {
  content: ""; display: block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold-dim); margin: 0 auto 6px;
}
.ph-lensnode.on::before { background: var(--gold); box-shadow: 0 0 8px var(--gold); }

/* timeline (screen 05) */
.ph-timeline { position: relative; margin-top: 8px; padding-left: 18px; flex: 1; overflow: hidden; }
.ph-timeline::before { content: ""; position: absolute; left: 3px; top: 6px; bottom: 0; width: 1px; background: var(--line); }
.ph-milestone { position: relative; padding: 0 0 20px 14px; }
.ph-milestone::before { content: ""; position: absolute; left: -16px; top: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--void); border: 1px solid var(--gold); }
.ph-milestone.now::before { background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.ph-milestone .yr { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--gold); }
.ph-milestone .ev { font-family: var(--serif); font-size: 14px; color: var(--paper); line-height: 1.2; margin-top: 3px; }

/* topic detail (screen 06) */
.ph-article { flex: 1; overflow: hidden; position: relative; }
.ph-article .meta { font-family: var(--mono); font-size: 8px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }
.ph-article h3 { font-family: var(--serif); font-size: 22px; color: var(--paper); line-height: 1.08; margin: 8px 0 12px; font-weight: 400; }
.ph-article p { font-size: 11.5px; line-height: 1.6; color: var(--text); margin-bottom: 9px; }
.ph-article .drop::first-letter { font-family: var(--serif); font-size: 30px; float: left; line-height: 0.8; padding: 3px 7px 0 0; color: var(--gold); }

/* ask deep time (screen 07) */
.ph-chat { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.ph-q { align-self: flex-end; max-width: 85%; background: var(--panel-2); border: 1px solid var(--line-2);
  border-radius: 14px 14px 4px 14px; padding: 10px 13px; font-size: 12px; color: var(--paper); }
.ph-a-meta { font-family: var(--mono); font-size: 8px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); display: flex; align-items: center; gap: 7px; }
.ph-a-meta::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 6px var(--gold); }
.ph-a { font-family: var(--serif); font-size: 13px; line-height: 1.5; color: var(--text); }
.ph-a em { color: var(--gold-br); }
.ph-inputbar { margin-top: auto; display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 30px; padding: 9px 9px 9px 15px; }
.ph-inputbar .pl { flex: 1; font-size: 11px; color: var(--muted); }
.ph-inputbar .send { width: 26px; height: 26px; border-radius: 50%; background: var(--gold); color: var(--void);
  display: flex; align-items: center; justify-content: center; font-size: 13px; }

/* edge of time (screen 08) */
.screen-edge .phone-body { padding-bottom: 26px; }
.screen-edge .phone-screen { background: radial-gradient(120% 60% at 50% 80%, #0d0f14, #050608); }

/* compare (screen 09) */
.ph-compare { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; flex: 1; justify-content: center; }
.ph-compare-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.ph-compare-head .ch { text-align: center; }
.ph-compare-head .chv { font-family: var(--serif); font-size: 15px; color: var(--paper); }
.ph-compare-head .chl { font-family: var(--mono); font-size: 7.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); }
.ph-compare-head .vs { font-family: var(--serif); font-style: italic; font-size: 12px; color: var(--gold); }
.ph-metric { padding: 9px 0; border-top: 1px solid var(--line-2); }
.ph-metric .mname { font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); margin-bottom: 6px; }
.ph-metric .bars { display: flex; gap: 6px; align-items: center; }
.ph-metric .bar { height: 4px; border-radius: 3px; background: var(--gold-dim); }
.ph-metric .bar.b2 { background: var(--gold); }

/* ── COMPARE HERO (full-width feature) ── */
.dt-hero-feature { position: relative; border-top: 1px solid var(--line); overflow: hidden;
  background: radial-gradient(100% 120% at 80% 20%, rgba(201,162,75,0.08), transparent 60%), var(--void-2); }
.dt-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .dt-feature-grid { grid-template-columns: 1fr; gap: 48px; } }
.dt-feature-copy h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 4vw, 52px);
  color: var(--paper); line-height: 1.06; margin-bottom: 22px; }
.dt-compare-panel { border: 1px solid var(--line); background: var(--panel); padding: clamp(24px, 3vw, 40px); }
.dt-compare-top { display: flex; justify-content: space-between; align-items: flex-end; padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.dt-compare-top .col { text-align: center; flex: 1; }
.dt-compare-top .cv { font-family: var(--serif); font-size: clamp(24px, 3vw, 38px); color: var(--paper); }
.dt-compare-top .cl { font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); margin-top: 6px; }
.dt-compare-top .vs { font-family: var(--serif); font-style: italic; font-size: 18px; color: var(--gold); padding: 0 18px; }
.dt-mrow { padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.dt-mrow:last-child { border-bottom: none; }
.dt-mrow .mn { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2); margin-bottom: 10px; }
.dt-mrow .mbars { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: center; }
.dt-mrow .mbar { height: 5px; border-radius: 4px; background: var(--gold-dim); }
.dt-mrow .mbar.now { background: var(--gold); justify-self: end; }

/* ── CASE-STUDY CREDITS / FOOTER ── */
.dt-credits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); }
@media (max-width: 760px) { .dt-credits { grid-template-columns: 1fr 1fr; } }
.dt-credit { background: var(--void); padding: 26px 24px; }
.dt-credit .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); margin-bottom: 10px; }
.dt-credit .v { font-family: var(--serif); font-size: 16px; color: var(--paper); line-height: 1.35; }

.dt-foot {
  border-top: 1px solid var(--line); padding: clamp(64px, 10vh, 130px) var(--mx);
  text-align: center; position: relative; overflow: hidden;
}
.dt-foot .label { display: block; margin-bottom: 26px; }
.dt-foot h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 6vw, 80px);
  color: var(--paper); line-height: 1; letter-spacing: 0.02em; }
.dt-foot .next {
  margin-top: 44px; display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--void); background: var(--gold); padding: 16px 30px; transition: all .2s;
}
.dt-foot .next:hover { background: var(--gold-br); gap: 20px; }
.dt-foot .backhome { margin-top: 26px; display: block; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); }
.dt-foot .backhome:hover { color: var(--gold-br); }

/* reveal */
.dt-reveal { opacity: 0; transform: translateY(20px); transition: transform .8s ease; }
.dt-reveal.vis { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .dt-reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .dt-response .cursor { animation: none; }
}

/* ============================================================
   LIVE DEMO EMBED — reusable pattern (poster → iframe)
   ============================================================ */
.dt-trydemo-sec { background: var(--void-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dt-livewrap { max-width: 1100px; margin: 0 auto; }
.dt-live {
  position: relative;
  width: min(440px, 92vw);
  margin: 0 auto;
  aspect-ratio: 440 / 880;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(130% 70% at 50% -10%, rgba(201,162,75,0.10), transparent 60%),
    var(--void);
  box-shadow: 0 40px 90px -50px #000, inset 0 0 0 1px rgba(242,236,221,0.03);
  overflow: hidden;
}
.dt-live iframe { display: block; width: 100%; height: 100%; border: 0; background: var(--void); }

/* poster */
.dt-live-poster {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 26px; cursor: pointer; text-align: center; padding: 40px;
  background: radial-gradient(120% 80% at 50% 35%, #0d0f15, var(--void) 70%);
  transition: opacity .4s ease;
}
.dt-live-poster::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(1.4px 1.4px at 22% 28%, rgba(242,236,221,0.5), transparent),
    radial-gradient(1.2px 1.2px at 76% 20%, rgba(242,236,221,0.4), transparent),
    radial-gradient(1.3px 1.3px at 84% 64%, rgba(201,162,75,0.5), transparent),
    radial-gradient(1.2px 1.2px at 34% 78%, rgba(242,236,221,0.32), transparent);
  background-repeat: no-repeat;
}
.dt-live-poster.gone { opacity: 0; pointer-events: none; }
.pst-orbits { position: relative; width: 168px; height: 168px; display: grid; place-items: center; }
.pst-orbits .o { position: absolute; border: 1px solid var(--line); border-radius: 50%; aspect-ratio: 1; }
.pst-orbits .o1 { width: 64px; } .pst-orbits .o2 { width: 112px; opacity: .7; } .pst-orbits .o3 { width: 168px; opacity: .4; }
.pst-orbits .sun {
  width: 16px; height: 16px; border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--gold-br) 40%, var(--gold) 64%, transparent 76%);
  box-shadow: 0 0 20px 6px rgba(230,206,139,0.6), 0 0 50px 16px rgba(201,162,75,0.3);
}
.pst-mark {
  font-family: var(--sans); font-weight: 300; color: var(--paper);
  font-size: 26px; letter-spacing: 0.3em; padding-left: 0.3em;
}
.pst-launch {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--void); background: linear-gradient(180deg, var(--gold-br), var(--gold));
  border: 0; cursor: pointer; padding: 14px 26px; border-radius: 30px;
  display: inline-flex; align-items: center; gap: 10px;
  box-shadow: 0 12px 34px -12px rgba(201,162,75,0.6); transition: filter .2s, transform .1s;
}
.dt-live-poster:hover .pst-launch { filter: brightness(1.07); }
.dt-live-poster:active .pst-launch { transform: scale(0.98); }
.pst-hint {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-2);
}
/* loading shimmer once launched */
.dt-live.loading .dt-live-poster .pst-launch { opacity: .5; }

/* control bar under the frame */
.dt-live-bar {
  width: min(440px, 92vw); margin: 22px auto 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 16px; border-top: 1px solid var(--line-2);
}
.dt-live-bar .lb-instr {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2); display: inline-flex; align-items: center; gap: 9px;
}
.dt-live-bar .lb-instr .d { width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 8px var(--gold); flex-shrink: 0; }
.dt-live-bar .lb-actions { display: inline-flex; align-items: center; gap: 18px; }
.dt-live-bar .lb-link {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-br); transition: color .2s; white-space: nowrap;
}
.dt-live-bar .lb-link:hover { color: var(--gold); }
.dt-live-bar .lb-link.muted { color: var(--text-2); }
.dt-live-bar .lb-link.muted:hover { color: var(--gold-br); }
@media (max-width: 520px) {
  .dt-live-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
}