/* The Hand-off · page styles shared by the drawings · imports tokens.css first */
/* ---------- header ---------- */
.header { position: sticky; top: 0; z-index: 50; height: var(--header-h); background: var(--white); border-bottom: 1px solid var(--grey-200); }
.header .container { height: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--s-6); }
.brand { display: flex; align-items: center; gap: var(--s-3); text-decoration: none; }
.brand .name { font-family: var(--font-display); font-weight: 700; font-size: 26px; font-variation-settings: "opsz" 40; }
.nav { display: flex; gap: var(--s-5); justify-content: center; }
.nav a { text-decoration: none; font-size: var(--fs-small); font-weight: 500; color: var(--grey-500); padding: var(--s-2) 0; }
.nav a[aria-current="true"] { color: var(--black); font-weight: 600; }
.checked { font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: .02em; white-space: nowrap; }
.menu-btn { display: none; height: 44px; padding: 0 var(--s-4); border: 2px solid var(--black); background: var(--white); font-weight: 600; }
@media (max-width: 900px) { .nav, .checked { display: none; } .menu-btn { display: inline-flex; align-items: center; } .header .container { grid-template-columns: 1fr auto; } }

/* ---------- hero ---------- */
.hero { position: relative; min-height: calc(100vh - var(--header-h)); display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0 0 0 50%; background: var(--black); } /* the seam: where white meets black, no drawn line */
.hero > * { position: relative; }
.hero-top { padding-top: 40px; }
.hero-eyebrow { font-family: var(--font-text); font-size: 15px; font-weight: 500; }
.hero-eyebrow { color: var(--white); mix-blend-mode: difference; }
.hero-h1 { color: var(--white); mix-blend-mode: difference; margin-top: var(--s-4); max-width: 30ch; font-size: clamp(40px, 5.2vw, 76px); }
.stage { position: relative; height: clamp(360px, 46vh, 440px); }
.card { position: absolute; top: 50%; width: 292px; transform: translateY(-50%); border: 1px solid var(--grey-200); background: var(--white); padding: var(--s-4); display: grid; gap: var(--s-2); }
.card.a { left: 60%; top: 68%; }       /* the menu-side card, drawn after crossing, level with its ghost */
.stage .card.ghost { left: 10%; top: 68%; } /* what card A left behind on the brand side */
.stage-2 { display: none; }
.card.b { left: 10%; top: 0; transform: none; } /* the brand-side card, waiting at the top to cross on scroll */
.card .kind { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .04em; color: var(--grey-500); }
.card .thumb { display: none; }
.card.ghost { background: transparent; color: var(--grey-500); border: 1px solid var(--grey-200); }
.card.ghost .kind { color: var(--grey-500); }
.card.ghost .price { color: var(--grey-500); }
.card.ghost .buy { display: none; }
.card .pname { font-weight: 600; font-size: 17px; line-height: 1.2; }
.card .price { font-family: var(--font-display); font-size: 40px; font-weight: 800; line-height: 1; font-variation-settings: "opsz" 40; }
.card .price small { font-family: var(--font-text); font-size: 13px; font-weight: 500; color: var(--grey-500); margin-left: var(--s-2); }
.card .tax { font-size: 13px; color: var(--grey-500); }
.card .buy { height: 44px; display: grid; place-items: center; background: var(--green); color: var(--black); font-weight: 700; letter-spacing: .08em; font-size: 14px; }
.card.menu { background: var(--black); color: var(--white); border-color: var(--grey-700); }
.card.menu .kind, .card.menu .tax { color: var(--grey-400); }

.card.menu .price small { color: var(--grey-400); }
.card.menu .buy { background: var(--white); color: var(--black); }
.card.notfound .pname { padding: var(--s-3) 0; }
.card.notfound .pname { font-family: var(--font-display); font-weight: 800; font-size: 34px; letter-spacing: .02em; font-variation-settings: "opsz" 40; }
.hero-bottom { padding-bottom: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-6); align-items: end; }
.counts { color: var(--white); mix-blend-mode: difference; display: grid; gap: var(--s-2); }
.counts .h3 { max-width: 22ch; }
.hero-cta { display: flex; gap: var(--s-3); justify-content: flex-end; }
.hero-cta .btn { background: var(--white); color: var(--black); border-color: var(--white); }
.hero-cta .btn.secondary { background: transparent; color: var(--white); }
.scroll-hint { position: absolute; left: 50%; bottom: calc(100% + var(--s-3)); transform: translateX(-50%); color: var(--white); mix-blend-mode: difference; white-space: nowrap; font-family: var(--font-text); font-size: 13px; font-weight: 600; }
.hero-bottom { position: relative; }
@media (max-width: 700px) {
  .hero { min-height: 0; display: flex; flex-direction: column; }
  .hero-top { order: 1; } .hero-bottom { order: 2; } .stage { order: 3; } .stage-2 { order: 4; display: block; }
  .stage .card.b { display: none; }
  .hero::before { content: none; }
  .hero-h1 { max-width: none; }
  .stage { height: 480px; margin-top: 0; margin-bottom: var(--s-6); width: 100%; }
  .stage-2 { margin-bottom: var(--s-8); }
  .stage::before { content: ""; position: absolute; left: calc(-1 * var(--margin)); right: calc(-1 * var(--margin)); top: 50%; bottom: 0; background: var(--black); }
  .card, .card.a, .card.b { width: min(292px, 78vw); left: 50%; transform: translate(-50%, 0); top: auto; }
  .card.ghost, .stage .card.ghost { left: 50%; top: var(--s-4); transform: translate(-50%, 0); }
  .card.a, .stage .card.a { top: auto; bottom: var(--s-4); }
  .hero-bottom { grid-template-columns: 1fr; padding: var(--s-5) 0 var(--s-6); }
  .hero-cta { justify-content: flex-start; flex-wrap: wrap; }
  .counts { color: var(--black); mix-blend-mode: normal; }
  .hero-cta .btn { background: var(--black); color: var(--white); border-color: var(--black); }
  .hero-cta .btn.secondary { background: transparent; color: var(--black); }
  .counts .h3 { max-width: none; }
  .scroll-hint { display: none; }
}

/* ---------- start here ---------- */
.beats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-6); margin-top: var(--s-8); }
.beat { border: 1px solid var(--grey-200); padding: var(--s-6); display: grid; gap: var(--s-4); align-content: start; }
.beat svg { width: 100%; height: 120px; }
@media (max-width: 834px) { .beats { grid-template-columns: 1fr; } }
.video { margin-top: var(--s-9); border: 1px solid var(--grey-200); }
.video .poster { aspect-ratio: 16 / 9; background: var(--black); color: var(--white); display: grid; place-items: center; position: relative; }
.video .poster .play { width: 88px; height: 88px; border: 2px solid var(--white); display: grid; place-items: center; }
.video .vcap { padding: var(--s-4) var(--s-5); display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; }

/* ---------- credit ---------- */
.credit { display: grid; grid-template-columns: 5fr 7fr; gap: var(--s-8); align-items: start; }
@media (max-width: 834px) { .credit { grid-template-columns: 1fr; } }

/* ---------- symptoms (pinned-left stepper) ---------- */
.symptoms { display: grid; grid-template-columns: 5fr 7fr; }
#symptoms { overflow-x: clip; }
.symptoms .left { position: sticky; top: var(--header-h); align-self: start; height: calc(100vh - var(--header-h)); padding: var(--s-9) var(--s-8) var(--s-9) 0; display: grid; align-content: center; gap: var(--s-6); }
.symptoms .left ol { list-style: none; padding: 0; display: grid; gap: var(--s-4); counter-reset: s; }
.symptoms .left li { font-family: var(--font-display); font-size: clamp(28px, 2.6vw, 40px); font-weight: 700; line-height: 1.05; font-variation-settings: "opsz" 72; color: var(--grey-500); transition: color var(--dur-ui) var(--ease-out); display: grid; grid-template-columns: 44px 1fr; gap: var(--s-3); align-items: start; }
.symptoms .left li::before { counter-increment: s; content: counter(s); font-family: var(--font-mono); font-size: 13px; font-weight: 600; padding-top: 10px; }
.symptoms .left li[aria-current="step"] { color: var(--black); }
.symptoms .right { position: relative; background: var(--black); color: var(--white); padding: var(--s-9) 0 var(--s-9) var(--s-8); display: grid; gap: var(--s-9); }
.symptoms .right::before { content: ""; position: absolute; top: 0; bottom: 0; left: 100%; width: 50vw; background: var(--black); } /* the black side runs to the viewport edge */
.proof { min-height: 70vh; display: grid; align-content: center; gap: var(--s-5); padding-right: var(--margin); }
.proof .fig { font-family: var(--font-display); font-size: var(--fs-figure); font-weight: 800; line-height: .9; font-variation-settings: "opsz" 72; font-variant-numeric: tabular-nums; }
.proof .lab { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.01em; max-width: 24ch; }
.proof .detail { max-width: 58ch; color: var(--grey-400); }
.proof .repro { font-family: var(--font-mono); font-size: 13px; line-height: 1.6; border: 1px solid var(--grey-700); background: var(--grey-800); padding: var(--s-3) var(--s-4); white-space: pre-wrap; overflow-wrap: anywhere; }
.proof .rows { display: grid; gap: var(--s-2); }
.proof .row { display: grid; grid-template-columns: 1fr auto; gap: var(--s-4); align-items: baseline; border: 1px solid var(--grey-700); padding: var(--s-3) var(--s-4); }
.proof .row .vals { display: flex; gap: var(--s-3); align-items: baseline; white-space: nowrap; }
.proof .row .arrow { color: var(--grey-400); }
.proof .row .b { font-family: var(--font-display); font-weight: 800; font-size: 28px; font-variation-settings: "opsz" 40; }
.proof .row .m { font-family: var(--font-display); font-weight: 800; font-size: 28px; font-variation-settings: "opsz" 40; color: var(--red); }
.on-black .proof .row .m { color: #FF6B5E; } /* red lifted for black backgrounds, 6.2:1 */
.evidence { border: 1px solid var(--grey-700); background: var(--grey-800); aspect-ratio: 16 / 9; display: grid; place-items: center; color: var(--grey-400); font-family: var(--font-mono); font-size: 12px; text-align: center; padding: var(--s-4); }
@media (max-width: 834px) {
  .symptoms { grid-template-columns: 1fr; }
  .symptoms .left { position: static; height: auto; padding: var(--s-8) 0 var(--s-6); }
  .symptoms .left li { color: var(--black); }
  .symptoms .right { padding: var(--s-8) var(--margin); margin-inline: calc(-1 * var(--margin)); }
  .proof { min-height: 0; padding-right: 0; }
  .proof .row { grid-template-columns: 1fr; gap: var(--s-1); }
}

/* ---------- mechanism ---------- */
.mech { display: grid; grid-template-columns: 1fr 160px 1fr; gap: var(--s-6); align-items: stretch; margin-top: var(--s-8); }
.mech .col { border: 1px solid var(--grey-200); padding: var(--s-6); display: grid; gap: var(--s-4); align-content: start; }
.mech .col.dark { background: var(--black); color: var(--white); border-color: var(--black); }
.mech .col ul { padding-left: 1.1em; display: grid; gap: var(--s-2); }
.mech .gap { display: grid; place-items: center; text-align: center; }
@media (max-width: 834px) { .mech { grid-template-columns: 1fr; } .mech .gap { padding: var(--s-4) 0; } }

/* ---------- demo ---------- */
.demo { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border: 1px solid var(--grey-200); margin-top: var(--s-8); }
.demo .controls { padding: var(--s-6); display: grid; gap: var(--s-5); align-content: start; }
.demo .result { background: var(--black); color: var(--white); padding: var(--s-6); display: grid; gap: var(--s-5); align-content: start; min-width: 0; }
.demo .controls { min-width: 0; }
.demo, .step, .verdict { min-width: 0; }
.tabs { display: flex; gap: var(--s-2); flex-wrap: wrap; }
.tabs button { height: 40px; padding: 0 var(--s-4); border: 1px solid var(--grey-200); background: var(--white); font-weight: 600; font-size: var(--fs-small); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--black); color: var(--white); border-color: var(--black); }
.path { display: grid; gap: var(--s-3); }
.step { border: 1px solid var(--grey-700); padding: var(--s-4); display: grid; grid-template-columns: 110px 1fr; gap: var(--s-4); }
.step .t { font-family: var(--font-text); font-size: 13px; font-weight: 600; color: var(--grey-400); }
.step dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-4); font-size: var(--fs-small); }
.step dt { color: var(--grey-400); }
.step dd { margin: 0; overflow-wrap: anywhere; min-width: 0; }
.verdict { border: 1px solid var(--grey-700); padding: var(--s-5); display: grid; gap: var(--s-3); }
.verdict .big { font-family: var(--font-display); font-weight: 800; font-size: 48px; line-height: 1; font-variation-settings: "opsz" 72; }
.actions { display: flex; gap: var(--s-3); flex-wrap: wrap; }
@media (max-width: 834px) { .demo { grid-template-columns: minmax(0, 1fr); } .step { grid-template-columns: 1fr; } .seg { display: grid; grid-template-columns: 1fr 1fr; width: 100%; } .seg button { padding: 0 var(--s-2); } }

/* ---------- fixes ---------- */
.fixes { display: grid; gap: 0; margin-top: var(--s-8); border: 1px solid var(--grey-200); }
.fix { display: grid; grid-template-columns: 72px 1fr 1fr; gap: var(--s-6); padding: var(--s-6); border-top: 1px solid var(--grey-200); }
.fix:first-child { border-top: 0; }
.fix .n { font-family: var(--font-display); font-weight: 800; font-size: 56px; line-height: .9; font-variation-settings: "opsz" 72; }
.fix .meta { font-family: var(--font-text); font-size: 13px; font-weight: 500; color: var(--grey-500); }
.fix > * { min-width: 0; }
.fix .body, .kv dd, .not .body { overflow-wrap: anywhere; }
@media (max-width: 834px) { .fix { grid-template-columns: 56px 1fr; } .fix .meta { grid-column: 2; } }

/* ---------- judgment ---------- */
.nots { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5); margin-top: var(--s-8); }
.not { border: 1px solid var(--grey-700); padding: var(--s-6); display: grid; gap: var(--s-3); }
.decision { margin-top: var(--s-8); display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-6); }
.decision div { border: 1px solid var(--grey-700); padding: var(--s-5); }
@media (max-width: 834px) { .nots, .decision { grid-template-columns: 1fr; } }

/* ---------- measurement ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--grey-200); margin-top: var(--s-8); }
.metric { padding: var(--s-6); border-left: 1px solid var(--grey-200); display: grid; gap: var(--s-3); align-content: start; }
.metric:first-child { border-left: 0; }
.metric .b { font-family: var(--font-display); font-weight: 800; font-size: 44px; line-height: 1; font-variation-settings: "opsz" 72; }
@media (max-width: 834px) { .metrics { grid-template-columns: 1fr 1fr; } .metric:nth-child(3) { border-left: 0; } .metric:nth-child(n+3) { border-top: 1px solid var(--grey-200); } }
@media (max-width: 600px) { .metrics { grid-template-columns: 1fr; } .metric { border-left: 0; } .metric:nth-child(n+2) { border-top: 1px solid var(--grey-200); } }

/* ---------- method / engagement / about ---------- */
.two { display: grid; grid-template-columns: 5fr 7fr; gap: var(--s-8); margin-top: var(--s-8); }
@media (max-width: 834px) { .two { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: var(--s-3) var(--s-5); }
.kv dt { font-family: var(--font-text); font-size: 13px; font-weight: 600; color: var(--grey-500); padding-top: 4px; }
.kv dd { margin: 0; }
@media (max-width: 600px) { .kv { grid-template-columns: 1fr; } }
.works { display: grid; gap: 0; border: 1px solid var(--grey-200); }
.work { display: grid; grid-template-columns: 1fr auto; gap: var(--s-4); padding: var(--s-4) var(--s-5); border-top: 1px solid var(--grey-200); }
.work:first-child { border-top: 0; }

/* ---------- footer ---------- */
.footer { background: var(--black); color: var(--white); padding: var(--s-9) 0; }
.footer .note { font-size: var(--fs-body-l); max-width: 40ch; }
.footer .legal { margin-top: var(--s-7); display: grid; grid-template-columns: 1fr auto; gap: var(--s-6); color: var(--grey-400); font-size: var(--fs-small); }
.footer .legal p { max-width: 70ch; }
.footer a { color: var(--white); }
@media (max-width: 834px) { .footer .legal { grid-template-columns: 1fr; } }