/* ============================================================
   Signal Atlas — Demo section · Option D (full-width stacked)
   Dominant video up top, four compact step cards in a row below.
   Premium light B2B SaaS, blue accents. Same video behavior.
   ============================================================ */
.dzd {
  --font-display: "Schibsted Grotesk", system-ui, sans-serif;
  --font-text: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --bg: #FBFBF9;
  --surface: #FFFFFF;
  --fg: #16181C;
  --fg-dim: #4C5159;
  --fg-faint: #7A7F87;
  --bd: #E7E6E0;
  --bd-soft: #EEEDE7;
  --accent: oklch(0.55 0.15 252);
  --accent-ink: oklch(0.47 0.16 254);
  --accent-soft: oklch(0.55 0.15 252 / 0.09);
  --accent-line: oklch(0.55 0.15 252 / 0.22);
  --green: oklch(0.52 0.12 156);
  --muted: #9A9EA6;
  --muted-bg: #F2F1EC;
  position: relative; width: 100%;
  background:
    linear-gradient(180deg, #FBFBF9 0%, #F7F8FA 100%);
  color: var(--fg);
  font-family: var(--font-text); box-sizing: border-box;
  padding: clamp(76px, 6.8vw, 96px) var(--sa-content-pad);
}
.dzd *, .dzd *::before, .dzd *::after { box-sizing: border-box; }

/* header left-aligned, shares the video container width so edges align */
.dzd-head { max-width: var(--sa-page-max); margin: 0 auto 24px; text-align: left; }
.dzd-eyebrow {
  display: inline-flex; align-items: center; gap: 9px; white-space: nowrap;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink);
}
.dzd-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.dzd-h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(36px, 2.9vw, 42px); letter-spacing: -0.025em; line-height: 1.07; margin: 14px 0 0; text-wrap: balance; }
.dzd-sub { font-size: 16.5px; line-height: 1.55; color: var(--fg-dim); margin: 13px 0 0; max-width: 640px; text-wrap: pretty; }

/* ---- dominant video (co-framed: height-aware so video + cards fit one view) ---- */
.dzd-stage { position: relative; width: 100%; max-width: var(--sa-page-max); margin: 0 auto; }
.dzd-frame {
  position: relative; width: 100%;
  border-radius: var(--sa-card-radius-lg); overflow: hidden;
  background: #0E1424; border: 1px solid var(--bd);
  box-shadow: var(--sa-shadow-panel);
}
/* app chrome bar */
.dzd-chrome {
  position: relative; z-index: 5; display: flex; align-items: center; gap: 14px;
  height: 38px; padding: 0 14px;
  background: linear-gradient(180deg, #131C30, #0E1424);
  border-bottom: 1px solid rgba(150,180,230,.14);
}
.dzd-dots { display: flex; gap: 6px; }
.dzd-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(180,200,235,.22); }
.dzd-urlbar {
  flex: 1; max-width: 380px; margin: 0 auto; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: -0.01em; color: #9DB0CC;
  background: rgba(10,16,28,.65); border: 1px solid rgba(150,180,230,.14);
  border-radius: 7px; padding: 5px 12px;
}
.dzd-urlbar svg { width: 11px; height: 11px; color: #4FD08A; }
.dzd-chrome-spacer { width: 44px; }

.dzd-screen { position: relative; width: 100%; aspect-ratio: 1926 / 1080; }
.dzd-screen video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; background: #0E1424; cursor: pointer; }

/* progress seam under chrome */
.dzd-seam { position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: rgba(255,255,255,.1); z-index: 4; }
.dzd-seam > i { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), oklch(0.8 0.13 228)); transition: width .25s linear; box-shadow: 0 0 10px oklch(0.7 0.14 235 / .7); }

/* bottom legibility gradient */
.dzd-screen::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 86px; z-index: 2;
  background: linear-gradient(0deg, rgba(8,12,22,.5), transparent); pointer-events: none;
}
/* caption pill */
.dzd-caption {
  position: absolute; left: 16px; bottom: 16px; z-index: 4;
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-text); font-size: 13.5px; font-weight: 500; color: #fff;
  max-width: calc(100% - 150px); transition: opacity .35s ease;
}
.dzd-caption .cdot { width: 7px; height: 7px; border-radius: 50%; background: oklch(0.8 0.13 228); flex: 0 0 auto; box-shadow: 0 0 0 3px rgba(120,180,255,.3), 0 0 10px oklch(0.7 0.14 235 / .8); }
.dzd-caption .ctxt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-shadow: 0 1px 8px rgba(0,0,0,.5); }

/* play affordance (integrated pill) */
.dzd-play {
  position: absolute; left: 16px; bottom: 16px; z-index: 6; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-text); font-size: 14px; font-weight: 600; letter-spacing: -0.01em; color: #0E1424;
  background: rgba(255,255,255,.95); border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px; padding: 9px 16px 9px 11px;
  box-shadow: 0 10px 28px -10px rgba(0,0,0,.5); transition: transform .15s ease, box-shadow .2s ease;
}
.dzd-play:hover { transform: translateY(-1px); box-shadow: 0 14px 32px -10px rgba(0,0,0,.6); }
.dzd-play .pic { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #fff; flex: 0 0 auto; }
.dzd-play .pic svg { width: 11px; height: 11px; margin-left: 1px; }

/* mute */
.dzd-mute {
  position: absolute; right: 16px; bottom: 16px; z-index: 6;
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: grid; place-items: center;
  color: #fff; background: rgba(16,20,30,.5); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.18); box-shadow: 0 8px 20px -10px rgba(0,0,0,.6);
  transition: background .2s ease, transform .15s ease;
}
.dzd-mute:hover { background: rgba(16,20,30,.78); transform: translateY(-1px); }
.dzd-mute svg { width: 16px; height: 16px; }

/* end overlay */
.dzd-end {
  position: absolute; inset: 0; z-index: 7; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 40px;
  background: radial-gradient(85% 110% at 50% 16%, oklch(0.4 0.12 252 / .42), transparent 62%), linear-gradient(180deg, rgba(12,16,26,.78), rgba(10,14,24,.86));
  backdrop-filter: blur(7px); opacity: 0; visibility: hidden; transition: opacity .5s ease, visibility .5s ease;
}
.dzd-end.show { opacity: 1; visibility: visible; }
.dzd-end .ei { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 4px; background: oklch(0.55 0.15 252 / .18); border: 1px solid oklch(0.7 0.14 240 / .4); color: oklch(0.85 0.1 232); box-shadow: 0 0 0 5px rgba(80,140,240,.1); }
.dzd-end .ei svg { width: 23px; height: 23px; }
.dzd-end .es { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: oklch(0.82 0.08 230); }
.dzd-end .em { font-family: var(--font-display); font-weight: 600; font-size: 27px; letter-spacing: -0.02em; color: #fff; line-height: 1.22; max-width: 460px; text-wrap: balance; margin: 2px 0 16px; }
.dzd-end .ebtns { display: flex; align-items: center; gap: 11px; flex-wrap: wrap; justify-content: center; }
.dzd-btn { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; white-space: nowrap; font-family: var(--font-text); font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; border-radius: 11px; padding: 12px 20px; border: 1px solid transparent; transition: transform .15s ease, box-shadow .2s ease, background .2s ease; }
.dzd-btn svg { width: 16px; height: 16px; }
.dzd-btn.primary { color: oklch(0.2 0.02 256); background: #fff; box-shadow: 0 14px 32px -12px rgba(0,0,0,.5); }
.dzd-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -12px rgba(0,0,0,.6); }
.dzd-btn.ghost { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); }
.dzd-btn.ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,.16); }

/* ---- step cards row below the video ---- */
.dzd-rail {
  max-width: var(--sa-page-max); margin: 18px auto 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.dzd-step {
  position: relative; border-radius: var(--sa-card-radius); padding: 16px 16px 15px;
  background: var(--surface); border: 1px solid var(--bd-soft);
  box-shadow: 0 1px 2px rgba(20,30,55,.035);
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease, transform .3s ease;
}
.dzd-step .st-top { display: flex; align-items: center; gap: 9px; }
.dzd-step .marker {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; flex: 0 0 auto;
  background: var(--muted-bg); color: var(--muted); border: 1px solid var(--bd); transition: all .3s ease;
}
.dzd-step .marker svg { width: 14px; height: 14px; }
.dzd-step .marker .mdot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); transition: all .3s ease; }
.dzd-step .st-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--fg-faint); white-space: nowrap; }
.dzd-step .st-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; letter-spacing: -0.015em; color: var(--fg); margin: 11px 0 0; transition: color .3s ease; }
.dzd-step .st-body { font-size: 13px; line-height: 1.5; color: var(--fg-dim); margin: 6px 0 0; }
/* per-step progress (active only) */
.dzd-step .st-prog { height: 3px; border-radius: 3px; background: var(--bd); margin-top: 13px; overflow: hidden; opacity: 0; transition: opacity .3s ease; }
.dzd-step .st-prog > i { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), oklch(0.7 0.14 240)); border-radius: 3px; transition: width .25s linear; }

.dzd-step[data-state="upcoming"] .st-title { color: var(--fg-dim); }
.dzd-step[data-state="done"] .marker { background: oklch(0.52 0.12 156 / .12); color: var(--green); border-color: oklch(0.52 0.12 156 / .3); }
.dzd-step[data-state="active"] {
  background: linear-gradient(180deg, var(--surface), var(--accent-soft));
  border-color: var(--accent-line);
  box-shadow: 0 20px 44px -28px oklch(0.55 0.15 252 / .55), inset 0 1px 0 #fff;
  transform: translateY(-3px);
}
.dzd-step[data-state="active"] .marker { background: #0E1424; color: oklch(0.82 0.11 234); border-color: transparent; box-shadow: 0 0 0 4px var(--accent-soft); }
.dzd-step[data-state="active"] .marker .mdot { background: oklch(0.82 0.11 234); box-shadow: 0 0 8px oklch(0.7 0.14 235 / .9); }
.dzd-step[data-state="active"] .st-label { color: var(--accent-ink); }
.dzd-step[data-state="active"] .st-prog { opacity: 1; }

/* tablet: 2x2 */
@media (max-width: 980px) {
  .dzd { padding: clamp(68px, 8vw, 82px) var(--sa-content-pad); }
  .dzd-h2 { font-size: 31px; }
  .dzd-head, .dzd-stage, .dzd-rail { max-width: 100%; }
  .dzd-rail { grid-template-columns: repeat(2, 1fr); }
}
/* mobile: stack */
@media (max-width: 560px) {
  .dzd-rail { grid-template-columns: 1fr; }
  .dzd-urlbar { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .dzd-step, .dzd-caption, .dzd-seam > i, .dzd-step .st-prog > i { transition: none !important; }
}