:root {
  --surface: #f4f4f2;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-2: rgba(255, 255, 255, 0.9);
  --line: rgba(0, 0, 0, 0.09);
  --line-2: rgba(0, 0, 0, 0.05);
  --ink: #1a1a1a;
  --ink-2: #5a5a58;
  --ink-3: #9a9a96;
  --blue: #2a78d6;
  --cyan: #0ea5c9;
  --violet: #4a3aa7;
  --green: #1baf7a;
  --orange: #eb6834;
  --red: #d03b3b;
  --disp: "Rajdhani", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
/* Proximity (not mandatory) snapping: assists slide-to-slide navigation
   without trapping the reader inside any slide taller than the viewport,
   so bottom-of-slide content is always reachable. */
html { scroll-snap-type: y proximity; scroll-behavior: smooth; height: 100%; }
body { font-family: var(--body); background: var(--surface); color: var(--ink); -webkit-font-smoothing: antialiased; }

.slide {
  min-height: 100vh; scroll-snap-align: start; position: relative;
  display: flex; flex-direction: column; justify-content: center;
  padding: 72px 96px; overflow: hidden;
}
.slide > .inner { position: relative; z-index: 1; width: 100%; }

.eyebrow {
  font-family: var(--disp); font-weight: 600; font-size: 13px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px;
}
h1 { font-family: var(--disp); font-weight: 600; font-size: 64px; line-height: 1.02; letter-spacing: -0.01em; }
h2 { font-family: var(--disp); font-weight: 600; font-size: 40px; line-height: 1.06; letter-spacing: 0.005em; margin-bottom: 22px; max-width: 22ch; }
h3 { font-family: var(--disp); font-weight: 600; font-size: 19px; letter-spacing: 0.02em; }
p { font-size: 19px; line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
p + p { margin-top: 14px; }
b, strong { color: var(--ink); font-weight: 600; }
.muted { color: var(--ink-3); font-size: 14px; }

.card {
  background: var(--glass); backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 34px rgba(0, 0, 0, 0.07);
}

.hero { position: absolute; inset: 0; z-index: 0; }
.hero img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 50% 45%, rgba(244, 244, 242, 0.12) 38%, rgba(244, 244, 242, 0.84) 100%);
}
.hero.dark::after {
  background: linear-gradient(90deg, rgba(20, 22, 20, 0.78) 0%, rgba(20, 22, 20, 0.5) 55%, rgba(20, 22, 20, 0.32) 100%);
}

.plate { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.plate img { display: block; width: 100%; height: auto; }
.plate .cap { padding: 10px 14px; font-size: 12.5px; color: var(--ink-3); border-top: 1px solid var(--line-2); }

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }

.lead { font-size: 21px; color: var(--ink-2); max-width: 62ch; }
ul.points { list-style: none; margin-top: 8px; max-width: 62ch; }
ul.points li { position: relative; padding-left: 22px; font-size: 18px; line-height: 1.5; color: var(--ink-2); margin-top: 14px; }
ul.points li::before { content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 9px; background: var(--blue); }
ul.points li b { color: var(--ink); }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.tile { padding: 22px 22px 24px; }
.tile .role-tag { font-family: var(--disp); font-weight: 600; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; margin: 4px 0 10px; }
.tile p { font-size: 15.5px; line-height: 1.46; }
.tile.ov .role-tag { color: var(--cyan); } .tile.an .role-tag { color: var(--violet); } .tile.rv .role-tag { color: var(--green); }
.tile .plate { margin-bottom: 14px; }

.u-icon { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border: 1px solid; margin-bottom: 12px; }
.u-icon svg { width: 18px; height: 18px; }
.u-icon.ov { background: rgba(14,165,201,0.09); border-color: rgba(14,165,201,0.3); }
.u-icon.an { background: rgba(74,58,167,0.09); border-color: rgba(74,58,167,0.3); }
.u-icon.rv { background: rgba(27,175,122,0.09); border-color: rgba(27,175,122,0.28); }

.usegrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.use { padding: 18px 20px; }
.use h3 { margin-bottom: 6px; }
.use.fire { border-color: rgba(208,59,59,0.4); }
.use.fire h3 { color: var(--red); }
.use p { font-size: 14.5px; line-height: 1.44; }

.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 6px; }
.tier { padding: 22px 22px 24px; }
.tier .eyebrow { margin-bottom: 8px; font-size: 12px; }
.tier .size { font-family: var(--disp); font-weight: 600; font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.tier p { font-size: 14.5px; line-height: 1.45; }

.roadmap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 10px; }
.phase { padding: 18px 18px 20px; position: relative; }
.phase .ph { font-family: var(--disp); font-weight: 700; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.phase.now { border-color: var(--green); }
.phase.now .ph { color: var(--green); }
.phase h3 { font-size: 16px; margin: 6px 0 8px; }
.phase p { font-size: 13.5px; line-height: 1.4; }
.phase .badge { position: absolute; top: 14px; right: 16px; font-family: var(--disp); font-weight: 700; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green); }

.todo { border: 1.5px dashed var(--line); border-radius: 12px; padding: 32px 38px; background: rgba(255,255,255,0.5); max-width: 760px; }
.todo .eyebrow { color: var(--orange); }
.todo ul { list-style: none; }
.todo li { color: var(--ink-3); font-size: 17px; line-height: 1.8; }
.concrete { font-size: 18px; color: var(--ink); margin-bottom: 20px; max-width: 62ch; }
.concrete b { color: var(--green); }

.cta {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--disp);
  font-weight: 600; font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; padding: 14px 22px; border: 1.5px solid var(--ink); color: var(--ink);
  background: transparent; transition: background .2s, color .2s;
}
.cta:hover { background: var(--ink); color: var(--surface); }
.cta.primary { background: var(--ink); color: var(--surface); }
.cta.primary:hover { background: transparent; color: var(--ink); }
.cta-row { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.dark-card { background: var(--glass-2); }

.nav { position: fixed; right: 28px; bottom: 26px; z-index: 10; display: flex; border: 1px solid var(--line); }
.nav button {
  font-family: var(--disp); font-weight: 600; font-size: 13px; letter-spacing: 0.06em;
  color: var(--ink-2); background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: none; padding: 9px 15px; cursor: pointer;
}
.nav button:hover { color: var(--ink); }
.nav button + button { border-left: 1px solid var(--line); }
.progress {
  position: fixed; left: 28px; bottom: 26px; z-index: 10; font-family: var(--disp);
  font-weight: 600; font-size: 12px; letter-spacing: 0.12em; color: var(--ink-3); font-variant-numeric: tabular-nums;
  background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line); padding: 8px 13px;
}
.gate {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  padding: 24px; overflow-y: auto;
  background: radial-gradient(120% 100% at 50% 40%, rgba(244,244,242,0.78), rgba(244,244,242,0.94));
  backdrop-filter: blur(14px) saturate(1.1); -webkit-backdrop-filter: blur(14px) saturate(1.1);
}
.gate[hidden] { display: none; }
.gate-card { max-width: 560px; width: 100%; padding: 40px 44px; margin: auto; }
.gate-eyebrow {
  font-family: var(--disp); font-weight: 700; font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--orange); display: flex; align-items: center; gap: 9px; margin-bottom: 18px;
}
.gate-eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--orange); }
.gate-card h2 { font-size: 30px; margin-bottom: 18px; max-width: none; }
.gate-card p { font-size: 15px; line-height: 1.6; max-width: none; }
.gate-card p + p { margin-top: 12px; }
.gate-actions { display: flex; align-items: center; gap: 18px; margin-top: 28px; flex-wrap: wrap; }
.gate-accept {
  font-family: var(--disp); font-weight: 600; font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase;
  color: #fff; background: var(--ink); border: none; padding: 14px 26px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px; transition: background .15s ease;
}
.gate-accept:hover { background: #000; }
.gate-accept:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.gate-decline { font-size: 13px; color: var(--ink-3); }

.deck-brand {
  position: fixed; right: 28px; top: 22px; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--disp); font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3);
  background: rgba(255,255,255,0.55); backdrop-filter: blur(6px);
  padding: 5px 9px 5px 6px; border: 1px solid var(--line);
}
.deck-brand img { width: 16px; height: 16px; object-fit: contain; display: block; }
.cover-lockup { height: 30px; width: auto; display: block; margin: 30px 0 26px; }
.confidential-tag {
  position: fixed; left: 28px; top: 24px; z-index: 10; font-family: var(--disp);
  font-weight: 700; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange);
  background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(235,104,52,0.4); padding: 7px 12px; display: flex; align-items: center; gap: 8px;
}
.confidential-tag::before { content: ""; width: 7px; height: 7px; background: var(--orange); }
.confidential-note {
  margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 13px; line-height: 1.5; color: var(--ink-3); max-width: 62ch;
}
.confidential-note b { color: var(--orange); font-weight: 600; }

.brand-line { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.brand-mark { width: 40px; height: 40px; border: 1.5px solid var(--blue); display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.6); }
.brand-mark svg { width: 22px; height: 22px; }
.brand-mark img { width: 24px; height: 24px; object-fit: contain; display: block; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 900px) {
  /* On mobile the deck reads as a single continuously scrollable page.
     Snapping is off and slides take their natural content height, so no
     slide can overflow the screen and hide its lower content — the bug
     that forced-snap (mandatory) + 100vh caused on tall slides. */
  html { scroll-snap-type: none; }
  .slide {
    min-height: auto; padding: 64px 24px; justify-content: flex-start;
    scroll-snap-align: none;
  }
  .slide + .slide { border-top: 1px solid var(--line-2); }
  h1 { font-size: 42px; } h2 { font-size: 28px; }
  .split, .grid2 { grid-template-columns: 1fr; gap: 26px; }
  .grid3, .usegrid, .tiers { grid-template-columns: 1fr; }
  .roadmap { grid-template-columns: 1fr 1fr; }
}