:root {
  --y-bg: var(--navy-950);
  --y-bg-deep: var(--navy-950);
  --y-panel: var(--navy-900);
  --y-panel-2: var(--navy-800);
  --y-line: rgba(101, 215, 255, 0.2);
  --y-text: #ffffff;
  --y-muted: #b8c8d9;
  --y-cyan: var(--blue-300);
  --y-blue: var(--navy-700);
  --y-gold: var(--gold);
  --y-radius: var(--radius-card);
  --y-shell: min(var(--page-shell), calc(100% - (2 * var(--page-gutter))));
}

html { scroll-behavior: smooth; }
.youth-page { background: var(--y-bg); color: var(--y-text); overflow-x: hidden; }
.youth-page .site-header { z-index: 1000; }
.youth-page main { background: var(--y-bg); }
.y-section[id], .y-hero[id] { scroll-margin-top: 145px; }
.y-shell { width: var(--y-shell); margin-inline: auto; position: relative; z-index: 2; }
.y-section { position: relative; padding: 112px 0; }
.y-kicker { margin: 0 0 20px; color: var(--y-cyan); font-size: 12px; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
.y-kicker span { color: var(--y-gold); }
.y-section h2 { margin: 0; color: var(--y-text); font-size: 36px; font-weight: 700; line-height: 1.22; letter-spacing: -.025em; }
.y-section-heading { max-width: 980px; margin-bottom: 58px; }
.y-section-heading > p:last-child { max-width: 760px; margin: 20px 0 0; color: var(--y-muted); font-size: 19px; line-height: 1.85; }
.y-heading-center { margin-inline: auto; text-align: center; }
.y-heading-center > p:last-child { margin-inline: auto; }

/* Hero */
.y-hero { min-height: 100dvh; position: relative; display: flex; flex-direction: column; justify-content: center; padding: 92px 0 0; background: radial-gradient(circle at 78% 16%, rgba(101, 215, 255, .16), transparent 28%), linear-gradient(135deg, var(--navy-950), var(--navy-800) 58%, #081020); overflow: hidden; }
.y-particles { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .75; }
.y-grid-glow { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to bottom, black 5%, transparent 82%); }
.y-hero-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr); gap: 64px; align-items: center; padding-block: 50px 70px; }
.y-hero-copy h1 { max-width: 820px; margin: 0; font-size: clamp(48px, 6.2vw, 78px); font-weight: 700; line-height: 1.04; letter-spacing: -.045em; }
.y-hero-copy h1 em { color: transparent; font-style: normal; background: linear-gradient(100deg, #65d7ff 0%, #ffffff 28%, #f2c96d 52%, #65d7ff 76%, #ffffff 100%); background-size: 260% auto; background-clip: text; -webkit-background-clip: text; filter: drop-shadow(0 0 18px rgba(101, 215, 255, .34)); }
.y-hero-en { max-width: 620px; margin: 24px 0 0; color: var(--y-gold); font-size: 11px; line-height: 1.7; letter-spacing: .13em; text-transform: uppercase; }
.y-lead { max-width: 610px; margin: 26px 0 0; color: #c7d7e5; font-size: clamp(17px, 1.8vw, 22px); line-height: 1.75; }
.y-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.y-button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius-button); color: var(--y-text); font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; transition: transform .26s ease, background .26s ease, border-color .26s ease, box-shadow .26s ease; }
.y-button-primary { color: var(--navy-950); background: var(--gold); box-shadow: 0 18px 42px rgba(0,0,0,.2); }
.y-button-ghost { border-color: rgba(181, 215, 236, .28); background: rgba(255,255,255,.025); }
.y-button:hover { transform: translateY(-2px); }
.y-button:active { transform: translateY(-1px) scale(.98); }
.y-button:focus-visible, .y-role-tabs button:focus-visible, .y-field summary:focus-visible, .y-anchor-nav a:focus-visible { outline: 2px solid var(--y-cyan); outline-offset: 4px; }
.y-hero-visual { min-height: 480px; position: relative; display: grid; place-items: center; }
.y-core { width: 178px; aspect-ratio: 1; display: grid; align-content: center; justify-items: center; border: 1px solid rgba(101,215,255,.55); border-radius: 50%; background: radial-gradient(circle, rgba(101,215,255,.16), rgba(5,16,31,.92) 64%); box-shadow: 0 0 65px rgba(101,215,255,.15), inset 0 0 25px rgba(101,215,255,.08); z-index: 2; }
.y-core span { color: var(--y-cyan); font-size: 9px; letter-spacing: .2em; }
.y-core strong { margin-top: 8px; font-size: 38px; font-weight: 500; }
.y-core small { margin-top: 4px; color: var(--y-muted); }
.y-orbit { position: absolute; border: 1px solid rgba(85, 180, 219, .22); border-radius: 50%; }
.y-orbit::after { content: ""; position: absolute; width: 7px; aspect-ratio: 1; border-radius: 50%; background: var(--y-cyan); box-shadow: 0 0 18px var(--y-cyan); }
.y-orbit-one { width: 310px; height: 310px; animation: y-spin 19s linear infinite; }
.y-orbit-one::after { top: 21px; left: 68px; }
.y-orbit-two { width: 430px; height: 245px; transform: rotate(-25deg); animation: y-spin-reverse 28s linear infinite; }
.y-orbit-two::after { right: 43px; top: 38px; background: var(--y-gold); box-shadow: 0 0 18px var(--y-gold); }
.y-node { position: absolute; min-width: 68px; padding: 8px 13px; border: 1px solid var(--y-line); border-radius: 999px; background: rgba(5,15,28,.8); color: #b9d1df; font-size: 12px; text-align: center; backdrop-filter: blur(8px); }
.y-node-a { top: 12%; left: 18%; }.y-node-b { top: 26%; right: 7%; }.y-node-c { bottom: 18%; right: 14%; }.y-node-d { bottom: 8%; left: 17%; }
@keyframes y-spin { to { transform: rotate(360deg); } }
@keyframes y-spin-reverse { to { transform: rotate(335deg); } }
.y-fact-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--y-line); }
.y-fact-strip > div { padding: 27px 22px 30px; border-right: 1px solid var(--y-line); }
.y-fact-strip > div:first-child { padding-left: 0; }.y-fact-strip > div:last-child { border-right: 0; }
.y-fact-strip strong, .y-fact-strip span { display: block; }
.y-fact-strip strong { color: var(--y-text); font-size: 19px; font-weight: 600; letter-spacing: .02em; }
.y-fact-strip span { margin-top: 6px; color: var(--y-muted); font-size: 12px; }

.y-anchor-nav { position: sticky; top: 72px; z-index: 30; border-block: 1px solid rgba(137,175,205,.16); background: rgba(4,12,23,.86); backdrop-filter: blur(16px); }
.y-anchor-nav .y-shell { min-height: 58px; display: flex; align-items: center; justify-content: center; gap: clamp(24px, 5vw, 74px); overflow-x: auto; }
.y-anchor-nav a { color: #91a6b8; font-size: 13px; text-decoration: none; white-space: nowrap; transition: color .2s ease; }
.y-anchor-nav a:hover,
.y-anchor-nav a.is-active,
.y-anchor-nav a[aria-current="location"] { color: var(--white); }
.y-anchor-nav a { position: relative; }
.y-anchor-nav a::after { content: ""; position: absolute; right: 100%; bottom: -18px; left: 0; height: 2px; background: var(--blue-300); transition: right .2s ease; }
.y-anchor-nav a:hover::after,
.y-anchor-nav a:focus-visible::after,
.y-anchor-nav a.is-active::after,
.y-anchor-nav a[aria-current="location"]::after { right: 0; }

/* Main campaign visual */
.y-kv-showcase {
  position: relative;
  padding: clamp(34px, 5vw, 72px) 0;
  background: linear-gradient(180deg, #071321, #0a1726);
  overflow: hidden;
}
.y-kv-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(101, 215, 255, .22);
  border-radius: var(--y-radius);
  background: #0a1726;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .24);
}
.y-kv-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

/* Origin and method */
.y-origin { background: linear-gradient(180deg, #071321, #0a1726); }
.y-origin-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.y-origin-grid h2 { font-size: 36px; }
.y-section-lead { margin: 4px 0 0; color: #c3d2df; font-size: clamp(18px, 2vw, 24px); line-height: 1.75; }
.y-organizers { display: grid; grid-template-columns: .8fr 1.2fr; gap: 1px; margin-top: 48px; border: 1px solid var(--y-line); background: var(--y-line); }
.y-organizers div { padding: 22px; background: #0a1726; }
.y-organizers span, .y-organizers strong { display: block; }.y-organizers span { color: var(--y-muted); font-size: 11px; }.y-organizers strong { margin-top: 9px; font-size: 17px; font-weight: 600; }
.y-method {
  color: var(--white);
  background:
    radial-gradient(circle at 78% 16%, rgba(101, 215, 255, .14), transparent 28%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800) 58%, #081020);
}
.y-method .y-kicker { color: var(--blue-300); }.y-method h2 { color: var(--white); }.y-method .y-section-heading > p:last-child { color: #cfe1f2; }
.y-method-track { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); list-style: none; counter-reset: item; }
.y-method-track li { min-height: 230px; position: relative; padding: 26px 20px; border-left: 1px solid rgba(101, 215, 255, .2); }
.y-method-track li:last-child { border-right: 1px solid rgba(101, 215, 255, .2); }
.y-method-track li::after { content: ""; width: 8px; aspect-ratio: 1; position: absolute; top: 90px; left: -5px; border-radius: 50%; background: var(--blue-300); box-shadow: 0 0 0 6px rgba(101, 215, 255, .1); }
.y-method-track span { color: var(--gold); font: 600 11px/1 monospace; letter-spacing: .12em; }
.y-method-track strong { display: block; margin-top: 57px; color: var(--white); font-size: 25px; font-weight: 600; }
.y-method-track small { display: block; margin-top: 12px; color: #b8c8d9; font-size: 13px; line-height: 1.6; }

/* Journey */
.y-journey { background: var(--y-bg); }
.y-stage-path { position: relative; display: grid; gap: 15px; }
.y-stage-path::before { content: ""; position: absolute; left: 63px; top: 68px; bottom: 68px; width: 1px; background: linear-gradient(var(--y-cyan), var(--y-blue), var(--y-gold)); opacity: .45; }
.y-stage-card { min-height: 218px; position: relative; display: grid; grid-template-columns: 128px 1fr; gap: 32px; align-items: center; padding: 36px 44px 36px 24px; border: 1px solid var(--y-line); border-radius: var(--y-radius); background: linear-gradient(110deg, rgba(15,34,55,.88), rgba(7,20,34,.62)); overflow: hidden; }
.y-stage-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 62%, rgba(60,159,255,.06)); pointer-events: none; }
.y-stage-featured { border-color: rgba(101,215,255,.38); background: linear-gradient(110deg, rgba(12,48,61,.9), rgba(7,20,34,.72)); }
.y-stage-index { width: 80px; height: 80px; display: grid; place-content: center; justify-items: center; border: 1px solid rgba(101,215,255,.45); border-radius: 50%; background: #09192a; z-index: 1; }
.y-stage-index span { color: var(--y-cyan); font-size: 23px; }.y-stage-index small { margin-top: 4px; color: var(--y-muted); font-size: 7px; letter-spacing: .1em; }
.y-stage-tag { margin: 0; color: var(--y-cyan); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.y-stage-card h3 { margin: 8px 0 12px; font-size: clamp(25px, 3vw, 36px); font-weight: 600; }
.y-stage-card > div:last-child > p:not(.y-stage-tag) { max-width: 730px; margin: 0; color: var(--y-muted); font-size: 15px; line-height: 1.75; }
.y-stage-card ul { display: flex; gap: 22px; margin: 18px 0 0; padding: 0; color: #cbd9e2; font-size: 12px; list-style: none; }.y-stage-card li::before { content: "+"; margin-right: 7px; color: var(--y-gold); }

/* Workbench */
.y-workbench { background: radial-gradient(circle at 50% 50%, rgba(42,87,115,.12), transparent 48%), #07111f; }
.y-workbench-ui { display: grid; grid-template-columns: .72fr 1.28fr; min-height: 520px; border: 1px solid var(--y-line); border-radius: 24px; background: rgba(8,22,38,.88); overflow: hidden; box-shadow: 0 28px 80px rgba(0,0,0,.18); }
.y-question-core { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 56px; background: radial-gradient(circle at 50% 48%, rgba(101,215,255,.12), transparent 48%), linear-gradient(145deg, #0d2838, #081727); border-right: 1px solid var(--y-line); }
.y-question-core::before { content: ""; position: absolute; width: 190px; aspect-ratio: 1; right: -95px; top: calc(50% - 95px); border: 1px solid rgba(101,215,255,.2); border-radius: 50%; pointer-events: none; }
.y-question-core span { color: var(--y-cyan); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.y-question-core strong { margin-top: 24px; font-size: clamp(28px, 3vw, 42px); font-weight: 500; line-height: 1.38; }
.y-question-core small { margin-top: 28px; color: var(--y-muted); font-size: 13px; }
.y-role-console { display: grid; grid-template-columns: 230px 1fr; }
.y-role-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--y-line); background: rgba(4,13,25,.5); }
.y-role-tabs button { flex: 1; display: flex; gap: 11px; align-items: center; width: 100%; padding: 18px; border: 0; border-bottom: 1px solid var(--y-line); color: #92a9bb; background: transparent; font: inherit; font-size: 12px; line-height: 1.45; text-align: left; cursor: pointer; }
.y-role-tabs button:last-child { border-bottom: 0; }.y-role-tabs button span { color: #4d687d; font: 600 10px/1 monospace; }
.y-role-tabs button[aria-selected="true"] { color: var(--y-text); background: linear-gradient(90deg, rgba(101,215,255,.13), transparent); box-shadow: inset 2px 0 var(--y-cyan); }
.y-role-tabs button[aria-selected="true"] span { color: var(--y-cyan); }
.y-role-panels { min-width: 0; display: flex; align-items: center; padding: 48px; }
.y-role-panels section { animation: y-panel-in .35s ease both; }.y-role-panels section[hidden] { display: none; }
.y-role-label { margin: 0; color: var(--y-gold); font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.y-role-panels h3 { margin: 14px 0 20px; font-size: clamp(25px, 2.6vw, 37px); font-weight: 600; line-height: 1.25; }
.y-role-panels section > p:not(.y-role-label) { color: var(--y-muted); font-size: 15px; line-height: 1.8; }
.y-role-panels ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 27px 0 0; padding: 0; list-style: none; }
.y-role-panels li { padding: 8px 11px; border: 1px solid var(--y-line); border-radius: 5px; color: #bed0dd; font-size: 11px; }
@keyframes y-panel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Fields */
.y-fields { background: #0a1726; }
.y-field-list { border-top: 1px solid var(--y-line); }
.y-field { border-bottom: 1px solid var(--y-line); }
.y-field summary { min-height: 136px; display: grid; grid-template-columns: 90px 1fr 46px; gap: 25px; align-items: center; padding: 22px 10px; cursor: pointer; list-style: none; }
.y-field summary::-webkit-details-marker { display: none; }
.y-field summary:hover h3 { color: var(--y-cyan); }
.y-field-no { color: var(--y-cyan); font: 500 14px/1 monospace; }
.y-field h3 { margin: 0; font-size: clamp(24px, 3vw, 38px); font-weight: 500; transition: color .2s ease; }
.y-field summary p { margin: 9px 0 0; color: #61798c; font-size: 9px; letter-spacing: .15em; }
.y-field-plus { width: 34px; height: 34px; position: relative; border: 1px solid var(--y-line); border-radius: 50%; }
.y-field-plus::before,.y-field-plus::after { content: ""; position: absolute; top: 16px; left: 10px; width: 12px; height: 1px; background: var(--y-cyan); transition: transform .25s ease; }
.y-field-plus::after { transform: rotate(90deg); }.y-field[open] .y-field-plus::after { transform: rotate(0); }
.y-topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0 0 28px 90px; border: 1px solid var(--y-line); background: var(--y-line); }
.y-topic-grid article { padding: 30px; background: #0c1d2e; }
.y-topic-grid article > span { color: var(--y-gold); font-size: 10px; letter-spacing: .11em; }
.y-topic-grid h4 { min-height: 58px; margin: 12px 0 20px; font-size: 20px; font-weight: 600; line-height: 1.45; }
.y-topic-grid p { margin: 11px 0 0; color: var(--y-muted); font-size: 13px; line-height: 1.75; }.y-topic-grid b { color: #d5e3ed; font-weight: 600; }

/* AI and evaluation */
.y-ai { background: #edf2f2; color: #102234; }
.y-ai-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: center; }
.y-ai .y-kicker { color: var(--navy-700); }.y-ai h2 { color: #102234; }.y-ai h2 em { color: var(--navy-700); font-style: normal; }
.y-ai-statement > p:last-child { max-width: 520px; margin: 24px 0 0; color: #5c6e79; font-size: 16px; line-height: 1.8; }
.y-ai-division { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(13,54,75,.16); background: white; box-shadow: 0 24px 70px rgba(28,48,62,.08); }
.y-ai-side,.y-human-side { padding: 34px; }.y-human-side { color: #eaf9fa; background: #123944; }
.y-ai-side > span,.y-human-side > span { color: var(--navy-700); font-size: 9px; font-weight: 700; letter-spacing: .15em; }.y-human-side > span { color: var(--y-cyan); }
.y-ai-division h3 { margin: 10px 0 22px; font-size: 21px; font-weight: 600; }.y-ai-division ul { margin: 0; padding: 0; list-style: none; }
.y-ai-division li { padding: 10px 0; border-top: 1px solid rgba(21,63,82,.12); color: #536875; font-size: 13px; }.y-human-side li { border-color: rgba(255,255,255,.1); color: #c8dcdf; }
.y-ai-division li::before { content: "·"; margin-right: 8px; color: var(--navy-700); }.y-human-side li::before { color: var(--y-cyan); }
.y-ai-baseline { grid-column: 1 / -1; margin: 0; padding: 15px 22px; color: #60717b; background: #e1e9e9; font-size: 11px; text-align: center; }
.y-evaluation { background: var(--y-bg); }
.y-eval-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.y-eval-grid article { min-height: 270px; padding: 30px; border: 1px solid var(--y-line); border-radius: var(--y-radius); background: linear-gradient(145deg, rgba(16,38,60,.86), rgba(7,21,36,.7)); }
.y-eval-grid span { color: var(--y-cyan); font: 600 12px/1 monospace; }.y-eval-grid h3 { margin: 58px 0 16px; font-size: 23px; font-weight: 600; line-height: 1.35; }.y-eval-grid p { margin: 0; color: var(--y-muted); font-size: 14px; line-height: 1.75; }
.y-dual-value { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; margin-top: 16px; padding: 38px 42px; border: 1px solid rgba(232,200,120,.32); border-radius: var(--y-radius); background: radial-gradient(circle at 80% 50%, rgba(101,215,255,.13), transparent 35%), #0c1c2e; }
.y-value-title > span { color: var(--y-gold); font-size: 10px; letter-spacing: .17em; }.y-value-title h3 { margin: 10px 0 0; font-size: clamp(23px, 2.7vw, 35px); font-weight: 600; line-height: 1.35; }
.y-value-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.y-value-pair div { padding: 20px; border-left: 2px solid var(--y-gold); background: rgba(255,255,255,.025); }.y-value-pair div:last-child { border-color: var(--blue-300); }
.y-value-pair strong { font-size: 16px; font-weight: 600; }.y-value-pair p { margin: 7px 0 0; color: var(--y-muted); font-size: 12px; line-height: 1.6; }
.y-ethics-note { margin: 20px 0 0; color: var(--y-muted); font-size: 12px; text-align: right; }.y-ethics-note span { margin-right: 9px; color: var(--y-cyan); font-weight: 700; }

/* Registration */
.y-registration { padding-bottom: 68px; background: radial-gradient(circle at 50% 80%, rgba(101,215,255,.12), transparent 38%), var(--y-bg-deep); overflow: hidden; }
.y-entry-card { display: grid; grid-template-columns: 1fr 1fr; gap: 45px; align-items: center; padding: 34px; border: 1px solid var(--y-line); background: rgba(8,22,37,.72); }
.y-entry-copy > span { color: var(--y-gold); font-size: 9px; letter-spacing: .16em; }.y-entry-copy h3 { margin: 9px 0; font-size: 27px; font-weight: 600; }.y-entry-copy p { margin: 0; color: var(--y-muted); font-size: 13px; line-height: 1.7; }
.y-entry-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.y-entry-facts span { padding: 14px; border: 1px solid var(--y-line); color: #c7d8e4; font-size: 12px; text-align: center; }
.y-final-cta { padding: 120px 0 30px; text-align: center; }.y-final-cta > p { color: var(--y-cyan); font-size: 10px; letter-spacing: .18em; }.y-final-cta h2 { max-width: 840px; margin: 15px auto 34px; font-size: clamp(38px, 5.5vw, 74px); }
.y-registration-link { min-width: 132px; }

/* Shared visual language with the portal and university pages */
.youth-page :is(h1, h2, h3, h4, p, strong, span, small, a) {
  word-break: normal;
  overflow-wrap: break-word;
}
.youth-page :is(h1, h2, h3, h4) {
  text-wrap: balance;
  word-break: auto-phrase;
}
.youth-page :is(h1, h2) { font-weight: 700; }
.youth-page :is(h3, h4) { font-weight: 600; }
.youth-page :is(p, li) {
  text-wrap: pretty;
  word-break: auto-phrase;
}
.y-section {
  padding-block: 92px;
}
.y-section-heading {
  margin-bottom: 38px;
}
.y-kicker {
  margin-bottom: 10px;
  color: var(--blue-300);
  font-size: 13px;
  letter-spacing: .08em;
}
.y-stage-card,
.y-workbench-ui,
.y-eval-grid article,
.y-dual-value,
.y-organizers,
.y-topic-grid,
.y-ai-division,
.y-entry-card {
  border-radius: 8px;
  overflow: hidden;
}
.y-button-ghost {
  border-color: rgba(255,255,255,.28);
  background: rgba(255,255,255,.04);
}
.y-button-origin {
  margin-top: 30px;
  color: var(--navy-950);
  background: var(--gold);
  border-color: var(--gold);
}
.y-button-origin:hover,
.y-button-primary:hover {
  background: #ffe19a;
  box-shadow: 0 24px 52px rgba(0,0,0,.28);
}
.y-ai h2 em {
  color: var(--navy-800);
  font-style: normal;
}
.y-value-pair div:last-child {
  border-color: var(--blue-300);
}
.y-final-cta h2 {
  font-size: clamp(38px, 4.4vw, 56px);
  text-shadow: 0 0 28px rgba(101,215,255,.32);
}

/* Full event schedule, following the university page's grouped board pattern */
.y-schedule-board {
  display: grid;
  gap: 14px;
  margin: 20px 0 16px;
}
.y-schedule-group {
  display: grid;
  grid-template-columns: 220px 1fr;
  border: 1px solid rgba(101,215,255,.2);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255,255,255,.045);
}
.y-schedule-phase {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800));
  border-right: 1px solid rgba(101,215,255,.2);
}
.y-schedule-phase strong {
  font-size: 20px;
  line-height: 1.35;
}
.y-schedule-phase span {
  margin-top: 10px;
  color: var(--gold);
  font-family: Arial, sans-serif;
  font-size: 12px;
  line-height: 1.5;
}
.y-schedule-items {
  min-width: 0;
}
.y-schedule-items > div {
  display: grid;
  grid-template-columns: 132px minmax(190px, .72fr) minmax(260px, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 72px;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(101,215,255,.14);
}
.y-schedule-items > div:last-child {
  border-bottom: 0;
}
.y-schedule-items time {
  color: var(--gold);
  font-family: Arial, sans-serif;
  font-size: 13px;
  white-space: nowrap;
}
.y-schedule-items strong {
  color: var(--white);
  font-size: 15px;
  line-height: 1.55;
}
.y-schedule-items span {
  color: #b8c8d9;
  font-size: 13px;
  line-height: 1.65;
}

/* Main-page typography and predominantly light content surfaces */
.y-origin,
.y-journey,
.y-fields,
.y-evaluation {
  color: var(--ink);
}
.y-origin,
.y-fields {
  background: var(--white);
}
.y-journey,
.y-ai,
.y-evaluation {
  background: var(--paper);
}
.y-origin h2,
.y-journey h2,
.y-fields h2,
.y-evaluation h2 {
  color: var(--ink);
}
.y-origin .y-kicker,
.y-journey .y-kicker,
.y-fields .y-kicker,
.y-evaluation .y-kicker {
  color: var(--navy-700);
}
.y-section-lead,
.y-origin-story > p,
.y-journey .y-section-heading > p,
.y-fields .y-section-heading > p,
.y-evaluation .y-section-heading > p {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.85;
}
.y-origin-grid {
  grid-template-columns: minmax(300px, .72fr) minmax(520px, 1.28fr);
  gap: 72px;
}
.y-organizers {
  border-color: var(--line);
  background: var(--line);
}
.y-organizers div {
  color: var(--ink);
  background: var(--white);
}
.y-organizers span {
  color: var(--muted);
}

/* Clickable three-dimensional stage cards */
.y-stage-path::before {
  background: linear-gradient(var(--navy-700), var(--blue-300), var(--gold));
}
.y-stage-card,
.y-stage-featured {
  min-height: 330px;
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: visible;
  perspective: 1400px;
}
.y-stage-card::after {
  display: none;
}
.y-stage-card-inner {
  position: relative;
  width: 100%;
  min-height: 330px;
  transform-style: preserve-3d;
  transition: transform .72s cubic-bezier(.2,.65,.25,1);
}
.y-stage-card.is-flipped .y-stage-card-inner {
  transform: rotateY(180deg);
}
.y-stage-face {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 32px;
  align-items: center;
  padding: 36px 44px 36px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: 0 16px 42px rgba(20,52,86,.08);
}
.y-stage-front {
  color: var(--ink);
  background: linear-gradient(110deg, var(--white), #f2f7fb);
}
.y-stage-featured .y-stage-front {
  border-color: rgba(7,59,120,.28);
  background: linear-gradient(110deg, #eef8fc, var(--white));
}
.y-stage-front .y-stage-index {
  background: var(--white);
  border-color: rgba(7,59,120,.28);
}
.y-stage-front .y-stage-index span,
.y-stage-front .y-stage-tag {
  color: var(--navy-700);
}
.y-stage-front .y-stage-index small,
.y-stage-front .y-stage-summary > p:not(.y-stage-tag) {
  color: var(--muted);
}
.y-stage-front ul {
  color: #4e6077;
}
.y-stage-front .y-stage-summary > p:not(.y-stage-tag) {
  max-width: 760px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}
.y-stage-back {
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  color: var(--white);
  background: radial-gradient(circle at 82% 18%, rgba(101,215,255,.14), transparent 28%), linear-gradient(135deg, var(--navy-950), var(--navy-800));
  border-color: rgba(101,215,255,.26);
  transform: rotateY(180deg);
}
.y-stage-detail-title span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.y-stage-detail-title h3 {
  margin: 12px 0 0;
  color: var(--white);
  font-size: 27px;
  line-height: 1.4;
}
.y-stage-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.y-stage-detail-grid > div {
  min-height: 150px;
  padding: 22px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(101,215,255,.18);
  border-radius: 8px;
}
.y-stage-detail-grid strong {
  color: var(--blue-300);
  font-size: 14px;
}
.y-stage-detail-grid p {
  margin: 12px 0 0;
  color: #cfe1f2;
  font-size: 13px;
  line-height: 1.7;
}
.y-stage-toggle {
  min-height: 38px;
  margin-top: 20px;
  padding: 0 15px;
  color: var(--navy-950);
  background: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.y-stage-back-toggle {
  position: absolute;
  right: 28px;
  bottom: 22px;
  color: var(--white);
  background: transparent;
  border-color: rgba(255,255,255,.32);
}
.y-stage-toggle:focus-visible {
  outline: 2px solid var(--blue-300);
  outline-offset: 3px;
}

/* Light research-field and evaluation panels */
.y-field-list {
  border-color: var(--line);
}
.y-field {
  border-color: var(--line);
}
.y-field h3 {
  color: var(--ink);
}
.y-field-no,
.y-field summary:hover h3 {
  color: var(--navy-700);
}
.y-field summary p {
  color: var(--muted);
}
.y-field-plus {
  border-color: var(--line);
}
.y-field-plus::before,
.y-field-plus::after {
  background: var(--navy-700);
}
.y-topic-grid {
  border-color: var(--line);
  background: var(--line);
}
.y-topic-grid article {
  color: var(--ink);
  background: var(--white);
}
.y-topic-grid h4,
.y-topic-grid b {
  color: var(--ink);
}
.y-topic-grid p {
  color: var(--muted);
}
.y-eval-grid article {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
  box-shadow: 0 14px 34px rgba(20,52,86,.06);
}
.y-eval-grid span {
  color: var(--navy-700);
}
.y-eval-grid p {
  color: var(--muted);
}
.y-dual-value {
  color: var(--white);
  background: radial-gradient(circle at 80% 50%, rgba(101,215,255,.12), transparent 35%), linear-gradient(135deg, var(--navy-950), var(--navy-800));
}
.y-ethics-note {
  color: var(--muted);
}

/* Expanded registration rules */
.y-entry-card {
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
  gap: 38px;
  align-items: stretch;
}
.y-entry-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 4px;
}
.y-entry-copy > span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}
.y-entry-copy h3 {
  font-size: 28px;
  font-weight: 700;
}
.y-entry-copy p {
  color: #b8c8d9;
  font-size: 15px;
  line-height: 1.75;
}
.y-entry-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0;
  background: rgba(101,215,255,.16);
  border: 1px solid rgba(101,215,255,.16);
}
.y-entry-details > div {
  min-width: 0;
  padding: 18px 20px;
  background: rgba(255,255,255,.045);
}
.y-entry-details dt {
  color: var(--blue-300);
  font-size: 12px;
  font-weight: 700;
}
.y-entry-details dd {
  margin: 7px 0 0;
  color: #d8e7f7;
  font-size: 13px;
  line-height: 1.65;
}

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.65,.25,1); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* Content-led motion: research path, field topics, and AI-HI collaboration */
.y-method-track {
  position: relative;
  isolation: isolate;
}
.y-method-track::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 93px;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-300), rgba(101,215,255,.55), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.25s cubic-bezier(.16,1,.3,1);
}
.y-method-track li { z-index: 1; }
.y-method-track.is-motion-ready li {
  opacity: .34;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .65s cubic-bezier(.16,1,.3,1);
}
.y-method-track.is-motion-ready li::after {
  transform: scale(.55);
  transition: transform .45s cubic-bezier(.16,1,.3,1), box-shadow .45s ease;
}
.y-method-track.is-sequenced::before { transform: scaleX(1); }
.y-method-track.is-sequenced li { opacity: 1; transform: none; }
.y-method-track.is-sequenced li::after {
  transform: scale(1);
  box-shadow: 0 0 0 6px rgba(101,215,255,.12), 0 0 22px rgba(101,215,255,.34);
}
.y-method-track li:nth-child(1) { transition-delay: .06s; }
.y-method-track li:nth-child(2) { transition-delay: .22s; }
.y-method-track li:nth-child(3) { transition-delay: .38s; }
.y-method-track li:nth-child(4) { transition-delay: .54s; }
.y-method-track li:nth-child(5) { transition-delay: .7s; }
.y-method-track li:nth-child(1)::after { transition-delay: .12s; }
.y-method-track li:nth-child(2)::after { transition-delay: .28s; }
.y-method-track li:nth-child(3)::after { transition-delay: .44s; }
.y-method-track li:nth-child(4)::after { transition-delay: .6s; }
.y-method-track li:nth-child(5)::after { transition-delay: .76s; }

.y-field[open] .y-topic-grid {
  animation: y-topic-grid-reveal .42s cubic-bezier(.16,1,.3,1) both;
}
.y-field[open] .y-topic-grid article {
  animation: y-topic-card-reveal .58s cubic-bezier(.16,1,.3,1) both;
}
.y-field[open] .y-topic-grid article:nth-child(2) { animation-delay: .12s; }
@keyframes y-topic-grid-reveal {
  from { opacity: .2; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}
@keyframes y-topic-card-reveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.y-ai-side,
.y-human-side,
.y-ai-baseline { position: relative; }
.y-ai-side::after,
.y-human-side::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  border: 1px solid rgba(7,59,120,.42);
  transition: opacity .42s ease;
}
.y-human-side::after { border-color: rgba(101,215,255,.48); }
.y-ai-baseline { overflow: hidden; }
.y-ai-baseline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 8%;
  width: 84%;
  height: 2px;
  background: linear-gradient(90deg, var(--navy-700), var(--blue-300), var(--gold));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .72s cubic-bezier(.16,1,.3,1) .7s;
}
.y-ai-division.is-motion-ready :is(.y-ai-side, .y-human-side, .y-ai-baseline) {
  opacity: .24;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .72s cubic-bezier(.16,1,.3,1);
}
.y-ai-division.is-choreographed .y-ai-side {
  opacity: 1;
  transform: none;
  transition-delay: .06s;
}
.y-ai-division.is-choreographed .y-human-side {
  opacity: 1;
  transform: none;
  transition-delay: .38s;
}
.y-ai-division.is-choreographed .y-ai-baseline {
  opacity: 1;
  transform: none;
  transition-delay: .72s;
}
.y-ai-division.is-choreographed .y-ai-side::after { opacity: 1; transition-delay: .18s; }
.y-ai-division.is-choreographed .y-human-side::after { opacity: 1; transition-delay: .5s; }
.y-ai-division.is-choreographed .y-ai-baseline::before { transform: scaleX(1); }

@media (max-width: 980px) {
  .y-section { padding: 88px 0; }
  .y-hero-layout { grid-template-columns: 1fr; gap: 15px; padding-top: 35px; }.y-hero-visual { min-height: 380px; }.y-orbit-two { width: 380px; }
  .y-origin-grid,.y-ai-grid { grid-template-columns: 1fr; gap: 48px; }
  .y-method-track { grid-template-columns: repeat(5, minmax(125px, 1fr)); overflow-x: auto; }
  .y-workbench-ui { grid-template-columns: 1fr; }.y-question-core { min-height: 280px; border-right: 0; border-bottom: 1px solid var(--y-line); }.y-question-core::before { display: none; }
  .y-role-console { min-height: 400px; }
  .y-dual-value { grid-template-columns: 1fr; gap: 28px; }
  .y-stage-back { grid-template-columns: 1fr; gap: 20px; }
  .y-stage-detail-grid > div { min-height: 132px; }
  .y-schedule-group { grid-template-columns: 180px 1fr; }
  .y-schedule-items > div { grid-template-columns: 120px 1fr; }
  .y-schedule-items > div span { grid-column: 2; }
}

@media (max-width: 680px) {
  .y-section { padding: 72px 0; }.y-section h2 { font-size: clamp(32px, 9.2vw, 38px); }.y-section-heading { margin-bottom: 38px; }
  .y-hero { min-height: auto; padding-top: 82px; }.y-hero-layout { display: block; padding: 48px 0 35px; }.y-hero-copy h1 { font-size: clamp(34px, 10vw, 48px); }.y-hero-en { font-size: 9px; }.y-lead { font-size: 17px; }
  .y-actions { flex-direction: column; }.y-button { width: 100%; }
  .y-hero-visual { min-height: 315px; margin-top: 24px; transform: scale(.9); }.y-orbit-one { width: 245px; height: 245px; }.y-orbit-two { width: 325px; height: 190px; }.y-core { width: 145px; }.y-core strong { font-size: 31px; }
  .y-node-a { left: 4%; }.y-node-b { right: 0; }.y-node-c { right: 4%; }.y-node-d { left: 4%; }
  .y-fact-strip { grid-template-columns: 1fr 1fr; }.y-fact-strip > div { padding: 20px 12px; border-bottom: 1px solid var(--y-line); }.y-fact-strip > div:nth-child(2) { border-right: 0; }.y-fact-strip > div:first-child { padding-left: 12px; }
  .y-anchor-nav .y-shell { justify-content: flex-start; gap: 28px; padding: 0 3px; }
  .y-anchor-nav { top: 64px; }
  .y-origin-grid { gap: 34px; }.y-organizers { grid-template-columns: 1fr; }
  .y-stage-path::before { left: 40px; }
  .y-stage-card { display: block; min-height: 390px; padding: 0; }
  .y-stage-card-inner { min-height: 390px; }
  .y-stage-card.is-flipped,
  .y-stage-card.is-flipped .y-stage-card-inner { min-height: 650px; }
  .y-stage-face { grid-template-columns: 70px 1fr; gap: 15px; padding: 28px 18px 28px 12px; }
  .y-stage-back { grid-template-columns: 1fr; align-content: start; gap: 18px; padding: 28px 22px 70px; }
  .y-stage-index { width: 56px; height: 56px; }.y-stage-index span { font-size: 18px; }.y-stage-card ul { flex-direction: column; gap: 6px; }
  .y-stage-detail-title h3 { font-size: 22px; }
  .y-stage-detail-grid { grid-template-columns: 1fr; gap: 8px; }
  .y-stage-detail-grid > div { min-height: 0; padding: 16px; }
  .y-stage-back-toggle { right: 22px; bottom: 20px; }
  .y-question-core { min-height: 260px; padding: 34px; }.y-role-console { grid-template-columns: 1fr; }.y-role-tabs { display: grid; grid-template-columns: 1fr 1fr; border-right: 0; border-bottom: 1px solid var(--y-line); }.y-role-tabs button { min-height: 76px; padding: 13px; border-right: 1px solid var(--y-line); font-size: 11px; }.y-role-tabs button[aria-selected="true"] { box-shadow: inset 0 2px var(--y-cyan); }.y-role-panels { min-height: 330px; padding: 30px; }
  .y-field summary { min-height: 112px; grid-template-columns: 38px 1fr 36px; gap: 10px; }.y-field summary p { line-height: 1.5; }.y-topic-grid { grid-template-columns: 1fr; margin-left: 0; }.y-topic-grid article { padding: 24px; }.y-topic-grid h4 { min-height: 0; }
  .y-ai-division { grid-template-columns: 1fr; }.y-ai-baseline { grid-column: auto; }.y-ai-side,.y-human-side { padding: 28px; }
  .y-eval-grid { grid-template-columns: 1fr; }.y-eval-grid article { min-height: 220px; }.y-eval-grid h3 { margin-top: 40px; }
  .y-dual-value { padding: 28px 22px; }.y-value-pair { grid-template-columns: 1fr; }.y-ethics-note { text-align: left; line-height: 1.7; }
  .y-entry-card { grid-template-columns: 1fr; gap: 25px; padding: 25px; }.y-entry-details { grid-template-columns: 1fr; }.y-final-cta { padding-top: 90px; }
  .y-schedule-group { grid-template-columns: 1fr; }
  .y-schedule-phase { padding: 20px; border-right: 0; border-bottom: 1px solid rgba(101,215,255,.2); }
  .y-schedule-items > div { grid-template-columns: 1fr; gap: 5px; padding: 18px 20px; }
  .y-schedule-items > div span { grid-column: auto; }
  .y-schedule-items time { white-space: normal; }
}

/* 2026 youth scope update: targeted additions within the existing visual system */
.y-groups { background: #eef2f1; color: #102234; }
.y-groups .y-kicker { color: #1b607b; }
.y-groups h2,
.y-evidence h2 { color: #102234; }
.y-groups .y-section-heading > p { color: #5b6e79; }
.y-group-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.y-group-grid article { min-height: 270px; padding: 34px; border: 1px solid rgba(16, 34, 52, .14); border-radius: 8px; background: #fff; box-shadow: 0 18px 48px rgba(23, 46, 61, .07); }
.y-group-grid article:last-child { color: #edf8fb; border-color: rgba(101, 215, 255, .32); background: #123944; }
.y-group-grade { display: inline-block; color: #166582; font-size: 16px; font-weight: 700; }
.y-group-grid article:last-child .y-group-grade { color: var(--y-cyan); }
.y-group-grid h3 { max-width: 480px; margin: 54px 0 18px; font-size: clamp(24px, 2.8vw, 36px); line-height: 1.3; }
.y-group-grid p { max-width: 520px; margin: 0; color: #5b6e79; font-size: 16px; line-height: 1.8; }
.y-group-grid article:last-child p { color: #c3d8de; }
.y-group-rule { margin: 16px 0 0; padding: 18px 22px; border-left: 3px solid #c39c43; color: #526873; background: rgba(255, 255, 255, .62); font-size: 15px; line-height: 1.7; }

.y-role-console { min-height: 610px; }
.y-role-tabs { max-height: 610px; overflow-y: auto; scrollbar-width: thin; }
.y-role-tabs button { min-height: 58px; padding-block: 12px; }

.y-fields { background: #eef2f1; }
.y-topic-wall { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid #d3dde1; border-left: 1px solid #d3dde1; background: #d3dde1; box-shadow: 0 18px 48px rgba(23, 46, 61, .07); }
.y-topic-wall article { min-height: 154px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; color: #102234; border-right: 1px solid #d3dde1; border-bottom: 1px solid #d3dde1; background: #fff; transition: color .2s ease, background .2s ease, transform .2s ease; }
.y-topic-wall article:hover { color: #fff; background: #123944; transform: translateY(-2px); }
.y-topic-wall span { color: #176783; font: 700 18px/1 Arial, sans-serif; }
.y-topic-wall article:hover span { color: var(--y-cyan); }
.y-topic-wall h3 { margin: 28px 0 0; color: inherit; font-size: 19px; line-height: 1.45; }

.y-evidence { background: #edf2f2; color: #102234; }
.y-evidence .y-kicker { color: #1b607b; }
.y-evidence .y-section-heading > p { color: #5c6e79; }
.y-evidence-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.y-evidence-grid article { padding: 34px; border: 1px solid rgba(13, 54, 75, .16); border-radius: 8px; background: #fff; box-shadow: 0 20px 52px rgba(28, 48, 62, .07); }
.y-evidence-grid article:last-child { color: #eaf9fa; background: #123944; }
.y-evidence-grid article > span { color: #1b607b; font-size: 12px; font-weight: 700; }
.y-evidence-grid article:last-child > span { color: var(--y-cyan); }
.y-evidence-grid h3 { margin: 12px 0 24px; font-size: 25px; }
.y-evidence-grid ul { margin: 0; padding: 0; list-style: none; }
.y-evidence-grid li { padding: 11px 0; border-top: 1px solid rgba(21, 63, 82, .12); color: #536875; font-size: 14px; line-height: 1.55; }
.y-evidence-grid article:last-child li { border-color: rgba(255, 255, 255, .1); color: #c8dcdf; }
.y-evidence-grid li::before { content: "+"; margin-right: 9px; color: #a57922; }
.y-evidence-grid article:last-child li::before { color: var(--y-cyan); }
.y-output-chain { display: grid; grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr); gap: 6px; align-items: stretch; margin-top: 18px; }
.y-output-chain > div { min-width: 0; display: grid; align-content: center; padding: 18px; border-top: 2px solid #1b607b; background: rgba(255, 255, 255, .65); }
.y-output-chain > i { display: grid; place-items: center; align-self: stretch; justify-self: stretch; color: #a57922; font-style: normal; font-size: 20px; line-height: 1; }
.y-output-chain span { color: #1b607b; font-size: 12px; font-weight: 700; }
.y-output-chain strong { margin-top: 7px; font-size: 14px; line-height: 1.55; }

.y-curriculum { background: #07111f; }
.y-curriculum-ui { border: 1px solid var(--y-line); border-radius: 8px; background: rgba(8, 22, 38, .88); overflow: hidden; }
.y-curriculum-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--y-line); }
.y-curriculum-tabs button { min-height: 64px; border: 0; border-right: 1px solid var(--y-line); color: #8fa8ba; background: rgba(4, 13, 25, .5); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; }
.y-curriculum-tabs button:last-child { border-right: 0; }
.y-curriculum-tabs button[aria-selected="true"] { color: var(--y-text); background: rgba(101, 215, 255, .1); box-shadow: inset 0 2px var(--y-cyan); }
.y-curriculum-tabs button:focus-visible { outline: 2px solid var(--y-cyan); outline-offset: -4px; }
.y-curriculum-panels { min-height: 280px; display: grid; align-items: center; padding: 46px; }
.y-curriculum-panels section { animation: y-panel-in .35s ease both; }
.y-curriculum-panels section[hidden] { display: none; }
.y-curriculum-panels span { color: var(--y-gold); font-size: 12px; font-weight: 700; }
.y-curriculum-panels h3 { margin: 14px 0 18px; font-size: clamp(26px, 3vw, 38px); }
.y-curriculum-panels p { max-width: 850px; margin: 0; color: var(--y-muted); font-size: 15px; line-height: 1.85; }
.y-curriculum-note { margin: 16px 0 0; color: #a9bdcb; font-size: 14px; line-height: 1.7; }

.y-score-bar { display: flex; min-height: 86px; margin-bottom: 16px; overflow: hidden; border-radius: 6px; }
.y-score-bar > div { flex: var(--score) 1 0; min-width: 0; display: flex; flex-direction: column; justify-content: center; padding: 15px 18px; color: #06131f; background: var(--y-cyan); }
.y-score-bar > div:nth-child(2) { color: #fff; background: #245a88; }
.y-score-bar > div:nth-child(3) { background: var(--y-gold); }
.y-score-bar span { font-size: 21px; font-weight: 700; }
.y-score-bar small { margin-top: 4px; font-size: 13px; line-height: 1.35; }
.y-anchor-nav .y-shell { scrollbar-width: none; }
.y-anchor-nav .y-shell::-webkit-scrollbar { display: none; }
.y-hero-title-line { white-space: nowrap; }

/* Keep supporting labels readable across the full page. */
.y-hero-en,
.y-core span,
.y-method-track span,
.y-stage-tag,
.y-question-core span,
.y-entry-copy > span,
.y-final-cta > p { font-size: 12px; }
.y-organizers span,
.y-role-tabs button,
.y-role-panels li,
.y-value-title > span { font-size: 13px; }
.y-stage-index small,
.y-role-tabs button span,
.y-role-label { font-size: 12px; }
.y-entry-details dt { font-size: 14px; }
.y-entry-details dd { font-size: 15px; }

@media (max-width: 980px) {
  .y-topic-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .y-output-chain { grid-template-columns: 1fr; }
  .y-output-chain > i { justify-self: center; transform: rotate(90deg); }
}

@media (max-width: 680px) {
  .y-hero-copy h1 { font-size: 32px; }
  .y-group-grid, .y-evidence-grid { grid-template-columns: 1fr; }
  .y-group-grid article { min-height: 235px; padding: 26px; }
  .y-group-grid h3 { margin-top: 42px; }
  .y-role-console, .y-role-tabs { max-height: none; }
  .y-role-tabs { overflow-y: visible; }
  .y-topic-wall { grid-template-columns: 1fr 1fr; }
  .y-topic-wall article { min-height: 132px; padding: 17px; }
  .y-topic-wall h3 { margin-top: 22px; font-size: 15px; }
  .y-evidence-grid article { padding: 26px; }
  .y-curriculum-tabs button { min-height: 58px; font-size: 12px; }
  .y-curriculum-panels { min-height: 330px; padding: 28px; }
  .y-score-bar { min-height: 190px; flex-direction: column; }
  .y-score-bar > div { flex-basis: auto; flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; }
  .y-score-bar small { margin-top: 0; text-align: right; }
}