/* Home: scroll story over a fixed 3D map */
#story-map { position: fixed; inset: 0; z-index: 0; background: radial-gradient(ellipse at 50% 55%, #0b1520 0%, #05080b 55%, #020304 100%); }
.story-grade { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 120% 90% at 60% 45%, transparent 50%, rgba(0,0,0,.55) 100%), linear-gradient(90deg, rgba(5,7,9,.65), transparent 55%); }
.home main { position: relative; z-index: 2; }
.home .topbar { z-index: 30; }

.story { position: relative; }
.step { min-height: 100vh; display: flex; align-items: center; padding: 90px clamp(16px, 6vw, 96px); pointer-events: none; }
.step > * { pointer-events: auto; }
.step.hero { min-height: 115vh; align-items: flex-end; padding-bottom: 18vh; }
.hero-inner { max-width: 760px; }
.hero h1 { font: 400 clamp(68px, 13vw, 168px)/.86 var(--f-display); margin: 18px 0 14px; letter-spacing: -.02em; }
.hero h1 em { color: var(--accent-2); }
.hero .tagline { font: 400 clamp(20px, 2.6vw, 30px)/1.25 var(--f-display); font-style: italic; color: var(--ink); margin: 0 0 18px; }
.hero-lede { font: 300 18px/1.55 var(--f-sans); color: var(--ink-2); max-width: 520px; margin: 0; }
.scroll-cue { margin-top: 42px; display: flex; align-items: center; gap: 12px; font: 600 10.5px var(--f-mono); letter-spacing: .24em; text-transform: uppercase; color: var(--ink-3); }
.scroll-cue i { width: 1px; height: 46px; background: linear-gradient(var(--ink-2), transparent); animation: cue 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

.card-step { max-width: 440px; padding: 26px 26px 22px; }
.card-step .kicker { font: 400 clamp(22px, 2.4vw, 28px)/1.2 var(--f-display); color: var(--ink); margin: 16px 0 6px; }
.big-num { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 12px; margin-bottom: 12px; }
.big-num strong { font: 300 clamp(54px, 7vw, 84px)/1 var(--f-sans); letter-spacing: -.035em; }
.big-num span { font-size: 15px; color: var(--ink-2); max-width: 220px; line-height: 1.3; }
.card-step p { font-size: 15px; line-height: 1.55; color: var(--ink-2); margin: 0 0 12px; }
.card-step .source { margin: 12px 0 0; }
.tag-official.y24 { color: #93e8d5; border-color: rgba(147,232,213,.35); }
.live-step { border-color: rgba(62,240,160,.35); background: rgba(2,12,8,.78); }
.live-step .big-num strong { color: var(--alert); text-shadow: 0 0 24px rgba(255,90,54,.45); }
.live-where { font: 12px/1.5 var(--f-mono) !important; color: var(--ink-2) !important; }
.cta { display: inline-flex; margin-top: 14px; padding: 11px 16px; border-radius: 999px; border: 1px solid var(--line-2); text-decoration: none; font-size: 13.5px; }
.cta.live { border-color: var(--live); color: var(--live); }
.cta:hover { background: rgba(255,255,255,.06); }
.mini-legend { display: flex; align-items: center; gap: 8px; font: 10.5px var(--f-mono); color: var(--ink-3); margin: 6px 0 2px; }
.mini-legend .bar { display: flex; gap: 2px; }
.mini-legend .bar i { width: 22px; height: 8px; border-radius: 2px; }

/* flow */
.flow-sec { background: var(--bg); padding: 120px 0 90px; border-top: 1px solid var(--line); position: relative; }
.sec-title { font: 400 clamp(40px, 6vw, 72px)/1 var(--f-display); margin: 12px 0 14px; }
.sec-lede { font-size: 17px; color: var(--ink-2); max-width: 560px; margin: 0; }
.flow-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 30px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; }
.seg button { background: none; border: 0; padding: 8px 14px; border-radius: 999px; cursor: pointer; font: 600 11.5px var(--f-mono); letter-spacing: .06em; color: var(--ink-3); }
.seg button[aria-selected="true"] { background: var(--ink); color: var(--bg); }
.sankey { position: relative; }
.sankey .sk-label { fill: var(--ink); font: 600 13px var(--f-sans); paint-order: stroke; stroke: var(--bg); stroke-width: 4px; }
.sankey .sk-value { fill: var(--ink-2); font: 500 11.5px var(--f-mono); paint-order: stroke; stroke: var(--bg); stroke-width: 4px; }
.sankey .sk-link { cursor: pointer; transition: opacity .2s; }
.sk-tip { position: absolute; pointer-events: none; opacity: 0; background: #000; border: 1px solid var(--line-2); border-radius: 8px; padding: 8px 10px; font: 12px/1.45 var(--f-sans); color: var(--ink); transition: opacity .15s; z-index: 3; }
.flow-note { font-size: 13.5px; color: var(--ink-2); max-width: 820px; margin: 22px 0 8px; line-height: 1.55; }

/* explore */
.explore { background: var(--bg); padding: 40px 0 110px; position: relative; }
.ex-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.ex-card { display: block; text-decoration: none; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.02); transition: border-color .25s, transform .4s var(--ease), background .25s; min-height: 190px; }
.ex-card:hover { border-color: var(--line-2); transform: translateY(-4px); background: rgba(255,255,255,.04); }
.ex-card.live { border-color: rgba(62,240,160,.25); }
.ex-card h3 { font: 400 26px/1.1 var(--f-display); margin: 16px 0 8px; }
.ex-card p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.5; }
.site-foot { position: relative; z-index: 2; background: var(--bg); }

@media (max-width: 960px) { .ex-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) {
  .step { align-items: flex-end; padding: 80px 12px 40px; }
  .card-step { max-width: none; width: 100%; padding: 20px; }
  .story-grade { background: linear-gradient(to top, rgba(5,7,9,.8), transparent 60%); }
  .ex-grid { grid-template-columns: 1fr; }
}