/* ---------------------------------------------------------------
   Drug Drive Aware — home.css
   Homepage only. Loads AFTER the inlined main.css and AFTER
   scrollcraft.css (the engine's floor). Themes the engine tokens to
   the brand and lays out the chaptered editorial page. Nothing here
   restyles .sc-stage, .sc-copy or any [data-sc-*] selector.
   --------------------------------------------------------------- */

:root {
  --sc-canvas:      #0d2c25;   /* deep pine: the page ground              */
  --sc-surface:     #123a31;   /* raised pine                             */
  --sc-ink:         #f3f6f4;   /* paper-white type on the dark ground     */
  --sc-ink-soft:    #a9c3ba;   /* tinted secondary, never flat grey       */
  --sc-accent:      #d9614a;   /* clay. One accent.                       */
  --sc-accent-ink:  #ffffff;
  --sc-font-display: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sc-font-text:    "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sc-font-mono:    "Figtree", ui-monospace, monospace;
  --sc-shadow-color: 168 55% 4%;
  --sc-maxw: 76rem;
  --sc-r-sm: 6px; --sc-r-md: 12px; --sc-r-lg: 18px;

  /* paper ground for the hard-cut chapters */
  --paper-ink: #12302a;
  --paper-ink-soft: #4f655d;
  --paper-line: #d9e2dd;
}

html { scroll-behavior: smooth; }
body.home {
  background: var(--sc-canvas);
  color: var(--sc-ink);
  font-family: var(--sc-font-text);
  font-size: var(--sc-t-base);
  line-height: var(--sc-leading-body);
  letter-spacing: var(--sc-track-normal);
  overflow-x: clip;
}
.home main { display: block; }
.home h1, .home h2, .home h3, .home h4 { color: var(--sc-ink); }
.home .ch--paper h2, .home .ch--paper h3, .home .ch--paper h4 { color: var(--paper-ink); }
.home strong { color: inherit; font-weight: 600; }
.home { --sc-section: clamp(3.75rem, 7.5vw, 8.5rem); }
.home a { color: inherit; }

/* Light on dark needs a touch more air */
.home p { line-height: 1.66; letter-spacing: 0.002em; }

/* ---------- shared header, tuned for the dark page ---------- */
.home .site-head { background: var(--sc-canvas); border-bottom: 1px solid var(--sc-hairline); }
.home .site-nav a { color: var(--sc-ink-soft); }
.home .site-nav a:hover { color: var(--sc-ink); }
.home .site-nav .btn-primary { color: #fff; }

/* ---------- folio (the chrome) ---------- */
.folio {
  position: fixed; left: 1.25rem; top: 50%; transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl; z-index: var(--sc-z-chrome);
  display: none; align-items: center; gap: 0.9rem;
  font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sc-ink-soft); pointer-events: none;
  opacity: 0; transition: opacity var(--sc-d-slow) var(--sc-ease-out);
}
.folio.is-on { opacity: 1; }
.folio .folio-n { font-variant-numeric: tabular-nums; color: var(--sc-accent); font-weight: 600; }
.folio .folio-rule { width: 1px; height: 2.5rem; background: var(--sc-hairline-strong); }
.folio .folio-t { transition: opacity var(--sc-d-base) var(--sc-ease-out); }
.folio.is-swapping .folio-t { opacity: 0; }
@media (min-width: 62em) { .folio { display: flex; } }
.folio.on-paper { color: var(--paper-ink-soft); }
.folio.on-paper .folio-rule { background: var(--paper-line); }

/* ---------- chapters ---------- */
.ch { position: relative; padding-block: var(--sc-section); }
.ch--tight { padding-block: clamp(3rem, 6vw, 6rem); }
.ch--deep { background: #08201b; }
.ch--pine { background: var(--sc-canvas); }
.ch--surface { background: var(--sc-surface); }
.ch--paper {
  background: #fbfaf8; color: var(--paper-ink);
  --sc-ink: var(--paper-ink); --sc-ink-soft: var(--paper-ink-soft);
  --sc-hairline: var(--paper-line); --sc-hairline-strong: #c6d2cc;
}
.ch--paper .sc-body, .ch--paper .muted { color: var(--paper-ink-soft); }
.ch--paper a { color: var(--paper-ink); }
.home .ch--paper .btn-outline { background: transparent; border-color: #c6d2cc; color: var(--paper-ink); }
.home .ch--paper .btn-outline:hover { border-color: var(--paper-ink); background: rgba(18,58,49,0.05); color: var(--paper-ink); }

.ch-wrap { width: 100%; max-width: var(--sc-maxw); margin-inline: auto; padding-inline: var(--sc-gutter); }
.ch-head { max-width: 40rem; }
.ch-head .sc-display { margin: 0 0 var(--sc-4); }
.ch-num {
  display: block; font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sc-accent); font-weight: 600; margin-bottom: var(--sc-4);
}
.ch--paper .ch-num { color: #b64f3b; }
.sc-display { font-weight: 700; }
.sc-display--lg { font-size: clamp(2.2rem, 1.4rem + 3.6vw, 4.2rem); }
.sc-display--md { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.9rem); }
.sc-display--sm { font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.9rem); letter-spacing: var(--sc-track-snug); line-height: 1.12; }
.lede { font-size: var(--sc-t-lg); line-height: 1.45; color: var(--sc-ink-soft); max-width: 46ch; text-wrap: pretty; }
.muted { color: var(--sc-ink-soft); }
.small { font-size: var(--sc-t-sm); }
.measure { max-width: var(--sc-measure); text-wrap: pretty; }

/* Two-column spreads: media in its own column with a caption */
.spread { display: grid; gap: var(--sc-6); align-items: start; }
.spread > figure { margin: 0; }
.spread figcaption { margin-top: var(--sc-3); font-size: var(--sc-t-sm); color: var(--sc-ink-soft); max-width: 40ch; }
.spread .frame { overflow: clip; border-radius: var(--sc-r-lg); box-shadow: var(--sc-e3), var(--sc-edge); background: var(--sc-surface); }
.spread .frame img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.spread .frame--tall img { aspect-ratio: 4 / 3; }
@media (min-width: 62em) { .spread .frame--tall img { aspect-ratio: 4 / 5; } }
/* parallax planes inside a frame: give the image room to travel without showing edges */
.spread .frame--px { aspect-ratio: 3 / 2; }
.spread .frame--px img { aspect-ratio: auto; height: 118%; width: 100%; object-fit: cover; margin-top: -9%; }
@media (min-width: 62em) {
  .spread { grid-template-columns: 7fr 5fr; gap: var(--sc-8); align-items: center; }
  .spread--rev { grid-template-columns: 5fr 7fr; }
  .spread--rev > figure { order: -1; }
  .spread--even { grid-template-columns: 1fr 1fr; }
}

/* ---------- 0 · title page ---------- */
.title { min-height: calc(100svh - 4.5rem); display: flex; align-items: center; padding-block: clamp(4rem, 10vh, 8rem); position: relative; overflow: clip; }
.title-inner { max-width: 62rem; position: relative; z-index: 1; }
.title .sc-display--xl { font-size: clamp(2.6rem, 1.6rem + 5.2vw, 6rem); line-height: 0.98; letter-spacing: -0.035em; max-width: 14ch; margin: 0 0 var(--sc-6); }
.title .line { display: block; overflow: hidden; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.title .line > span { display: block; transform: translate3d(0, 105%, 0); transition: transform 900ms var(--sc-ease-out); }
.title.sc-in .line > span { transform: none; }
.title.sc-in .line:nth-child(2) > span { transition-delay: 90ms; }
.title.sc-in .line:nth-child(3) > span { transition-delay: 180ms; }
.title .lede { max-width: 44ch; font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); }
.title .btn-row { margin-top: var(--sc-6); }
.title .hero-note { margin-top: var(--sc-5); font-size: var(--sc-t-sm); color: var(--sc-ink-soft); }
.title-mark {
  position: absolute; right: calc(-1 * var(--sc-gutter)); bottom: -6vw; z-index: 0; pointer-events: none;
  font-weight: 700; font-size: clamp(14rem, 34vw, 40rem); line-height: 0.8; letter-spacing: -0.06em;
  color: transparent; -webkit-text-stroke: 1px color-mix(in oklab, var(--sc-ink) 9%, transparent);
  user-select: none;
}
.title .btn-outline { background: transparent; border-color: rgba(255,255,255,0.32); color: #fff; }
.title .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }

/* ---------- 1 · the scale of it ---------- */
.figures { display: grid; gap: var(--sc-5); margin-top: var(--sc-7); }
.figure-row { display: grid; grid-template-columns: auto 1fr; gap: var(--sc-5); align-items: baseline; padding-block: var(--sc-5); border-top: 1px solid var(--sc-hairline); }
.figure-row:last-child { border-bottom: 1px solid var(--sc-hairline); }
.figure-num { font-weight: 700; font-size: clamp(2.4rem, 1.6rem + 3vw, 4.4rem); line-height: 1; letter-spacing: -0.035em; color: var(--sc-ink); min-width: 6ch; font-variant-numeric: tabular-nums; }
.figure-num .unit { font-size: 0.4em; letter-spacing: -0.01em; color: var(--sc-ink-soft); font-weight: 600; margin-left: 0.15em; }
.figure-row p { margin: 0; color: var(--sc-ink-soft); max-width: 36ch; }
.source { font-size: var(--sc-t-xs); line-height: 1.55; color: var(--sc-ink-soft); }

/* ---------- 2 · the law (paper) ---------- */
.statute { display: grid; gap: var(--sc-6); margin-top: var(--sc-7); }
@media (min-width: 62em) { .statute { grid-template-columns: 7fr 5fr; gap: var(--sc-9); align-items: start; } }
.statute .body p { color: var(--paper-ink); max-width: 60ch; }
.statute .body p + p { margin-top: var(--sc-4); }
.statute h3 { font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); margin: var(--sc-7) 0 var(--sc-3); color: var(--paper-ink); }
.ledger { border-top: 2px solid var(--paper-ink); padding-top: var(--sc-4); }
.ledger h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-lg); }
.ledger ol { list-style: none; margin: 0; padding: 0; counter-reset: cost; }
.ledger li { counter-increment: cost; position: relative; display: block; padding: var(--sc-3) 0 var(--sc-3) 2.6rem; border-bottom: 1px solid var(--paper-line); color: var(--paper-ink); }
.ledger li::before { content: counter(cost, decimal-leading-zero); position: absolute; left: 0; top: calc(var(--sc-3) + 0.35em); font-size: var(--sc-t-xs); letter-spacing: 0.08em; color: #b64f3b; font-weight: 600; }
.ledger .btn { margin-top: var(--sc-5); }
.plate { margin-top: var(--sc-8); padding: var(--sc-6); border: 1px solid var(--paper-line); border-radius: var(--sc-r-lg); background: #fff; box-shadow: 0 1px 2px rgba(18,58,49,0.05), 0 12px 32px -12px rgba(18,58,49,0.18); max-width: 58rem; }
.plate h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-lg); color: var(--paper-ink); }
.plate p { color: var(--paper-ink); }
.plate q { font-style: italic; }
.plate .source { color: var(--paper-ink-soft); margin-top: var(--sc-3); }

/* ---------- 3 · swab vs blood ---------- */
.verdict { display: grid; gap: var(--sc-5); margin-top: var(--sc-7); }
@media (min-width: 48em) { .verdict { grid-template-columns: 1fr 1fr; gap: var(--sc-6); } }
.verdict > div { padding: var(--sc-6); border-radius: var(--sc-r-lg); background: var(--sc-surface); box-shadow: var(--sc-edge), var(--sc-e2); }
.verdict > div.decides { background: #f3f6f4; color: var(--paper-ink); }
.verdict .tag { display: block; font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-accent); font-weight: 600; margin-bottom: var(--sc-4); }
.verdict .decides .tag { color: #b64f3b; }
.verdict h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.verdict p { margin: 0; color: var(--sc-ink-soft); }
.verdict .decides p { color: var(--paper-ink-soft); }
.verdict .decides strong { color: var(--paper-ink); }
.both { margin-top: var(--sc-7); padding-top: var(--sc-6); border-top: 1px solid var(--sc-hairline); display: grid; gap: var(--sc-5); }
@media (min-width: 62em) { .both { grid-template-columns: 5fr 7fr; gap: var(--sc-8); } }
.both h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.both p { color: var(--sc-ink-soft); }
.both .btn-row { margin-top: var(--sc-5); }
.home .btn-row { display: flex; flex-wrap: wrap; gap: var(--sc-3); }
.home .btn-outline { background: transparent; border-color: rgba(255,255,255,0.3); color: #fff; }
.home .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.07); color: #fff; }
.home .btn { border-radius: var(--sc-r-pill); }

/* ---------- 4 · silence ---------- */
.silence { min-height: 100svh; display: flex; align-items: center; justify-content: center; text-align: center; background: #081f1b; }
.silence p { margin: 0; font-weight: 700; font-size: clamp(1.9rem, 1.2rem + 3vw, 3.6rem); letter-spacing: -0.03em; line-height: 1.05; max-width: 16ch; color: var(--sc-ink); }
.silence small { display: block; margin-top: var(--sc-5); font-size: var(--sc-t-sm); font-weight: 400; letter-spacing: 0; color: var(--sc-ink-soft); }

/* ---------- 5 · the two clocks (peak, pinned) ---------- */
.peak-stage { background: #06181500; }
.peak-ground { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0.55; }
.peak-copy { position: absolute; inset: 0; z-index: var(--sc-z-copy); display: grid; align-content: center; padding-inline: var(--sc-gutter); max-width: var(--sc-maxw); margin-inline: auto; width: 100%; }
.peak-copy .ch-num { margin-bottom: var(--sc-3); }
.peak-copy h2 { max-width: 12ch; margin: 0 0 clamp(1.5rem, 4vh, 3rem); }
.clocks { display: grid; gap: clamp(1rem, 3vh, 2rem); max-width: 52rem; }
.clock { position: relative; }
.clock-label { display: flex; justify-content: space-between; gap: var(--sc-4); margin-bottom: 0.55rem; font-size: var(--sc-t-sm); }
.clock-label strong { color: var(--sc-ink); }
.clock-label span { color: var(--sc-ink-soft); }
.clock-track { position: relative; height: 14px; border-radius: 999px; background: rgba(255,255,255,0.10); box-shadow: inset 0 1px 0 rgba(255,255,255,0.08); }
/* clock 2's track has no end: it fades out, and the bar runs past it and off the viewport edge */
.clocks, .clock { min-width: 0; max-width: 100%; }
.clock--blood .clock-track { overflow: visible; background: linear-gradient(90deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.10) 60%, rgba(255,255,255,0) 100%); box-shadow: none; border-radius: 999px 0 0 999px; }
@media (max-width: 48em) { .clock--feel .stop-note { display: none; } }
.clock-bar { position: absolute; left: 0; top: 0; height: 100%; border-radius: 999px; width: 0; }
.clock--feel .clock-bar { background: var(--sc-ink); transform-origin: left center; }
.clock--feel .clock-bar::after {
  content: ""; position: absolute; right: -4px; top: 50%; width: 22px; height: 22px; border-radius: 50%;
  transform: translate(0, -50%); background: var(--sc-ink); box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  opacity: 0; transition: opacity 240ms var(--sc-ease-out);
}
.clock--feel.is-stopped .clock-bar::after { opacity: 1; }
.clock--feel .stop-note { position: absolute; left: calc(var(--stop-x, 38%) + 1.4rem); top: 50%; transform: translateY(-50%); white-space: nowrap; font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-ink-soft); opacity: 0; transition: opacity 320ms var(--sc-ease-out) 160ms; }
.clock--feel.is-stopped .stop-note { opacity: 1; }
/* clock 2 fades to nothing: no endpoint, no scale, no ticks, no numbers */
.clock--blood .clock-bar {
  background: linear-gradient(90deg, var(--sc-accent) 0%, var(--sc-accent) 55%, color-mix(in oklab, var(--sc-accent) 55%, transparent) 78%, transparent 100%);
  will-change: width;
}
.clock-note { margin: 0.55rem 0 0; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); max-width: 44ch; }
.peak-lines { margin-top: clamp(1.25rem, 4vh, 2.5rem); position: relative; min-height: 6.5em; max-width: 44rem; }
.peak-lines p { position: absolute; left: 0; top: 0; margin: 0; font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.4rem); line-height: 1.45; color: var(--sc-ink); text-wrap: pretty; }
.peak-lines p strong { color: #fff; }
@media (max-height: 640px) { .peak-copy h2 { font-size: var(--sc-t-xl); } .peak-lines { min-height: 5em; } }

/* the trace: clock 2 handed to the bottom edge for the rest of the page */
.trace { position: fixed; left: 0; right: 0; bottom: 0; height: 4px; z-index: var(--sc-z-chrome); pointer-events: none; opacity: 0; transition: opacity var(--sc-d-slow) var(--sc-ease-out); overflow: clip; }
.trace.is-on { opacity: 1; }
.trace-base { position: absolute; inset: 0; background: color-mix(in oklab, var(--sc-accent) 22%, transparent); }
.trace-head { position: absolute; top: 0; bottom: 0; width: 22vw; left: 0; will-change: transform; background: linear-gradient(90deg, transparent, var(--sc-accent) 60%, var(--sc-accent)); }
.trace-label { position: fixed; right: var(--sc-gutter); bottom: 0.7rem; z-index: var(--sc-z-chrome); font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-ink-soft); opacity: 0; transition: opacity var(--sc-d-slow) var(--sc-ease-out); pointer-events: none; display: flex; align-items: center; gap: 0.5rem; }
.trace-label.is-on { opacity: 1; }
.trace-label i { width: 6px; height: 6px; border-radius: 50%; background: var(--sc-accent); animation: tick 1.2s steps(2, jump-none) infinite; }
@keyframes tick { 50% { opacity: 0.25; } }
.ch--paper ~ .trace-label, .trace-label.on-paper { color: var(--paper-ink-soft); }
@media (max-width: 48em) { .trace-label { display: none; } }

/* ---------- 6 · the honest answer ---------- */
.answer { margin-top: var(--sc-7); padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--sc-r-lg); background: var(--sc-surface); box-shadow: var(--sc-edge), var(--sc-e3); max-width: 58rem; }
.answer .big { font-size: clamp(1.25rem, 1rem + 1.2vw, 1.85rem); line-height: 1.35; font-weight: 600; color: var(--sc-ink); margin: 0; }
.answer .big strong { color: #fff; }
.answer p + p { margin-top: var(--sc-4); color: var(--sc-ink-soft); }
.answer p + p strong { color: var(--sc-ink); }
.why-no { display: grid; gap: var(--sc-6); margin-top: var(--sc-8); }
@media (min-width: 62em) { .why-no { grid-template-columns: 1fr 1fr; gap: var(--sc-9); } }
.why-no h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.why-no p { color: var(--sc-ink-soft); }
.why-no p strong { color: var(--sc-ink); }
.why-no .aside { padding-left: var(--sc-5); border-left: 1px solid var(--sc-hairline-strong); }
.why-no .btn-row { margin-top: var(--sc-5); }

/* ---------- 7 · the decision rule ---------- */
.rule-plate { margin-top: var(--sc-7); padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--sc-r-lg); background: var(--sc-accent); color: #fff; box-shadow: var(--sc-e3); max-width: 58rem; }
.rule-plate p { margin: 0; color: #fff; }
.rule-plate .big { font-size: clamp(1.35rem, 1.1rem + 1.4vw, 2.1rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
.rule-plate p + p { margin-top: var(--sc-4); color: rgba(255,255,255,0.88); }
.moves { margin-top: var(--sc-8); display: grid; gap: var(--sc-6); }
@media (min-width: 48em) { .moves { grid-template-columns: 1fr 1fr; } .moves > :nth-child(3) { grid-column: 2; } }
.move { display: grid; grid-template-columns: auto 1fr; gap: var(--sc-4); align-items: start; padding-top: var(--sc-5); border-top: 1px solid var(--sc-hairline); }
.move .glyph { width: 2.6rem; height: 2.6rem; border-radius: 50%; background: var(--sc-surface); color: var(--sc-accent); display: grid; place-items: center; box-shadow: var(--sc-edge); }
.move h3 { margin: 0 0 0.35rem; font-size: var(--sc-t-lg); }
.move p { margin: 0; color: var(--sc-ink-soft); }

/* ---------- 8 · training ---------- */
.offer { display: grid; gap: var(--sc-6); margin-top: var(--sc-7); }
@media (min-width: 62em) { .offer { grid-template-columns: 6fr 6fr; gap: var(--sc-8); align-items: center; } }
.offer .frame { overflow: clip; border-radius: var(--sc-r-lg); box-shadow: var(--sc-e3), var(--sc-edge); aspect-ratio: 4 / 3; background: var(--sc-surface); }
.offer .frame img { width: 100%; height: 118%; object-fit: cover; margin-top: -9%; }
.offer .tag, .pair .tag { display: inline-block; font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-accent); font-weight: 600; margin-bottom: var(--sc-3); }
.offer h3 { margin: 0 0 var(--sc-3); font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.5rem); letter-spacing: var(--sc-track-snug); line-height: 1.1; }
.offer p { color: var(--sc-ink-soft); max-width: 46ch; }
.offer ul, .pair ul { list-style: none; margin: var(--sc-4) 0 0; padding: 0; }
.offer li, .pair li { position: relative; padding-left: 1.4rem; margin-bottom: 0.45rem; color: var(--sc-ink-soft); }
.offer li::before, .pair li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 0.6rem; height: 0.35rem; border-left: 2px solid var(--sc-accent); border-bottom: 2px solid var(--sc-accent); transform: rotate(-45deg); }
.offer .btn-row { margin-top: var(--sc-5); align-items: center; }
.prefer-link { color: var(--sc-ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--sc-accent); text-underline-offset: 0.2em; padding: 0.5rem 0.25rem; }
.prefer-link:hover { text-decoration-color: #fff; }
.pair { display: grid; gap: var(--sc-5); margin-top: var(--sc-8); }
@media (min-width: 48em) { .pair { grid-template-columns: 1fr 1fr; gap: var(--sc-6); } }
.pair > article { padding: var(--sc-6); border-radius: var(--sc-r-lg); background: var(--sc-surface); box-shadow: var(--sc-edge), var(--sc-e2); display: flex; flex-direction: column; }
.pair .tag.quiet { color: var(--sc-ink-soft); }
.pair h3 { margin: 0 0 var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.pair p { color: var(--sc-ink-soft); margin: 0; }
.pair .btn { margin-top: auto; align-self: flex-start; }
.pair ul { margin-bottom: var(--sc-5); }

/* ---------- 9 · how it works ---------- */
.steps-list { list-style: none; margin: var(--sc-7) 0 0; padding: 0; counter-reset: st; max-width: 58rem; }
.steps-list li { counter-increment: st; display: grid; grid-template-columns: auto 1fr; gap: var(--sc-5); padding: var(--sc-5) 0; border-top: 1px solid var(--sc-hairline); align-items: baseline; }
.steps-list li:last-child { border-bottom: 1px solid var(--sc-hairline); }
.steps-list li::before { content: counter(st, decimal-leading-zero); font-weight: 700; font-size: clamp(2rem, 1.4rem + 2vw, 3.2rem); line-height: 1; letter-spacing: -0.03em; color: var(--sc-accent); font-variant-numeric: tabular-nums; min-width: 2.2ch; }
.steps-list h3 { margin: 0 0 0.3rem; font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.steps-list p { margin: 0; color: var(--sc-ink-soft); max-width: 52ch; }
.how .btn-row { margin-top: var(--sc-6); }

/* ---------- band: run by a manager, not a trainer ---------- */
.band { padding-block: clamp(3rem, 6vw, 5.5rem); border-top: 1px solid var(--sc-hairline); border-bottom: 1px solid var(--sc-hairline); }
.band-grid { display: grid; gap: var(--sc-6); align-items: start; }
@media (min-width: 62em) { .band-grid { grid-template-columns: 5fr 7fr; gap: var(--sc-9); } }
.band h2 { margin: 0; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.5rem); letter-spacing: var(--sc-track-snug); line-height: 1.12; max-width: 16ch; }
.band ul { list-style: none; margin: 0; padding: 0; }
.band li { padding: var(--sc-4) 0; border-top: 1px solid var(--sc-hairline); display: grid; grid-template-columns: auto 1fr; gap: var(--sc-4); align-items: baseline; }
.band li:first-child { border-top: 0; padding-top: 0; }
.band li > span:first-child { font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-accent); font-weight: 600; min-width: 2.4rem; }
.band li > span:last-child { color: var(--sc-ink); }
.band li strong { color: var(--sc-ink); }
.how .prefer { margin-top: var(--sc-6); color: var(--sc-ink-soft); max-width: 60ch; }
.how .prefer a { color: var(--sc-ink); text-decoration: underline; text-decoration-color: var(--sc-accent); text-underline-offset: 0.2em; }
.pair .modes { list-style: none; margin: var(--sc-4) 0 var(--sc-5); padding: 0; }
.pair .modes li { padding: var(--sc-3) 0; border-top: 1px solid var(--sc-hairline); color: var(--sc-ink-soft); }
.pair .modes li::before { display: none; }
.pair .modes li strong { display: block; color: var(--sc-ink); margin-bottom: 0.15rem; }
.pair .note { font-size: var(--sc-t-sm); color: var(--sc-ink-soft); margin: 0 0 var(--sc-5); }

/* ---------- 11 · guides index ---------- */
.index { list-style: none; margin: var(--sc-7) 0 0; padding: 0; max-width: 62rem; }
.index li { border-top: 1px solid var(--sc-hairline); }
.index li:last-child { border-bottom: 1px solid var(--sc-hairline); }
.index a { display: grid; grid-template-columns: 1fr auto; gap: var(--sc-4); align-items: center; padding: var(--sc-5) 0; text-decoration: none; color: inherit; transition: padding-left var(--sc-d-fast) var(--sc-ease-out); }
.index a:hover { padding-left: var(--sc-2); }
.index h3 { margin: 0 0 0.3rem; font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.index p { margin: 0; color: var(--sc-ink-soft); max-width: 56ch; }
.index .start { display: inline-block; font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-accent); font-weight: 600; margin-bottom: 0.4rem; }
.index svg { color: var(--sc-ink-soft); transition: transform var(--sc-d-fast) var(--sc-ease-out), color var(--sc-d-fast); }
.index a:hover svg { transform: translateX(4px); color: var(--sc-accent); }

/* ---------- 12 · close (colophon) ---------- */
.close { background: #08201b; padding-block: clamp(5rem, 14vh, 10rem); }
.close .sc-display { max-width: 18ch; margin: 0 0 var(--sc-6); }
.close .running { font-size: clamp(1.2rem, 1rem + 1vw, 1.6rem); line-height: 1.5; max-width: 40ch; color: var(--sc-ink-soft); }
.close .running a { color: var(--sc-ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--sc-accent); text-decoration-thickness: 2px; text-underline-offset: 0.2em; transition: text-decoration-color var(--sc-d-fast); }
.close .running a:hover { text-decoration-color: #fff; }
.close .colophon { margin-top: var(--sc-8); padding-top: var(--sc-5); border-top: 1px solid var(--sc-hairline); font-size: var(--sc-t-sm); color: var(--sc-ink-soft); max-width: 60ch; }

/* ---------- footer on the dark page ---------- */
.home .site-foot { padding-bottom: 3.25rem; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .title .line > span { transform: none; transition: none; }
  .trace-label i { animation: none; }
}