/* ==========================================================================
   Global Build 2027
   ========================================================================== */

:root {
  --bg: #07080a;
  --bg-1: #0d0e11;
  --bg-2: #15161a;
  --fg: #f3f3f1;
  --fg-2: #a4a4ac;
  --fg-3: #6d6d76;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.16);
  --red: #f2213b;
  --red-2: #ff4a5f;
  --red-soft: rgba(242, 33, 59, 0.16);

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --max: 1280px;
  --pad: clamp(16px, 4vw, 48px);
  --sec: clamp(96px, 11vw, 160px);
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
main { overflow-x: clip; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ol, ul, figure { margin: 0; padding: 0; }
ol, ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: var(--red); color: #fff; }
[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  padding: 10px 14px; background: var(--fg); color: var(--bg);
  border-radius: 8px; font-weight: 500;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- Type ---------- */

.kicker { font-size: 14px; font-weight: 500; color: var(--red); margin-bottom: 16px; }

.display {
  font-size: clamp(40px, 5.6vw, 76px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.sub {
  margin-top: 20px;
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.5;
  color: var(--fg-2);
  max-width: 46ch;
  text-wrap: pretty;
}

.fine { margin-top: 28px; font-size: 14px; color: var(--fg-3); max-width: 62ch; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 50px; padding: 0 24px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font: 500 15px/1 var(--sans);
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn .arr { transition: transform 0.25s var(--ease); }
.btn:hover .arr { transform: translate(2px, -2px); }
.btn-red { background: var(--red); border-color: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-2); border-color: var(--red-2); }
.btn-ghost:hover { border-color: var(--fg-2); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }

/* ---------- Nav ---------- */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 8, 10, 0.75);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 24px; width: auto; }
.brand-name { font-weight: 600; letter-spacing: -0.03em; font-size: 17px; }

.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--fg-2); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }

.menu-btn { display: none; }

@media (max-width: 860px) {
  .nav-inner { gap: 12px; }
  .nav-cta { margin-left: auto; }
  .menu-btn {
    display: inline-grid; place-content: center; gap: 5px;
    width: 40px; height: 40px; border-radius: 999px;
    border: 1px solid var(--line-2);
  }
  .menu-btn i { display: block; width: 16px; height: 1.5px; background: var(--fg); transition: transform 0.3s var(--ease); }
  .menu-btn[aria-expanded="true"] i:first-of-type { transform: translateY(3.25px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] i:last-of-type { transform: translateY(-3.25px) rotate(-45deg); }
  .nav-links {
    position: fixed; inset: 68px 0 auto 0; margin: 0;
    flex-direction: column; gap: 0; padding: 8px var(--pad) 24px;
    background: rgba(7, 8, 10, 0.97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    font-size: 20px; color: var(--fg);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav.is-open .nav-links { opacity: 1; visibility: visible; transform: none; }
  .nav.is-open { background: rgba(7, 8, 10, 0.97); }
}
@media (max-width: 400px) { .brand-name { display: none; } }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 0 56px;
  overflow: hidden;
  isolation: isolate;
}

.hero-globe {
  position: absolute; z-index: -1;
  top: 50%; right: -4vw;
  width: min(60vw, 940px); aspect-ratio: 1;
  transform: translateY(-50%);
}
.hero-globe canvas { width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.hero-globe canvas.is-dragging { cursor: grabbing; }

.hero-inner { position: relative; pointer-events: none; }
.hero-inner > * { pointer-events: auto; }

.hero-title {
  font-size: clamp(76px, min(12vw, 18vh), 184px);
  font-weight: 500;
  line-height: 0.86;
  letter-spacing: -0.065em;
  margin-left: -0.05em;
}
.hero-title span { color: var(--red); font-weight: 300; letter-spacing: -0.06em; }

.hero-lead {
  margin-top: clamp(28px, 4vh, 40px);
  font-size: clamp(20px, 1.8vw, 24px); letter-spacing: -0.02em; line-height: 1.35;
  max-width: 24ch;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(24px, 3.5vh, 36px); }

.hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px;
  margin-top: clamp(40px, 7vh, 72px);
  font-size: 14px; color: var(--fg-2);
}
.hero-cd { display: inline-flex; align-items: center; gap: 8px; color: var(--fg); }
.hero-cd b { font-weight: 500; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(242, 33, 59, 0.6); animation: live 2s infinite; }
@keyframes live { 70% { box-shadow: 0 0 0 8px rgba(242, 33, 59, 0); } 100% { box-shadow: 0 0 0 0 rgba(242, 33, 59, 0); } }
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

@media (max-width: 1100px) {
  .hero-globe { width: 76vw; right: -20vw; opacity: 0.85; }
}
@media (max-width: 860px) {
  .hero { min-height: 0; display: block; padding: 68px 0 24px; }
  .hero-globe {
    position: relative; top: auto; right: auto; transform: none; opacity: 1;
    width: min(118vw, 620px);
    margin: calc(min(118vw, 620px) * -0.08) 0 calc(min(118vw, 620px) * -0.12) calc(50% - min(59vw, 310px));
  }
  .hero-meta { margin-top: 36px; }
}
@media (max-width: 520px) {
  .hero-title { font-size: clamp(64px, 22vw, 116px); }
}

/* ---------- Sections ---------- */

.section { position: relative; padding: var(--sec) 0 0; }
.section:last-of-type { padding-bottom: var(--sec); }

.sec-intro { margin-bottom: clamp(48px, 6vw, 80px); }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Campuses ---------- */

.cx { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }

.cx-map { position: relative; width: 100%; }
.cx-map canvas { width: 100%; height: 100%; }
.cx-map::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 75% 75% at 50% 50%, transparent 62%, var(--bg) 100%);
}
.map-labels { position: absolute; inset: 0; z-index: 1; }

.ml { position: absolute; white-space: nowrap; }
.ml-city {
  padding: 6px 10px; border-radius: 8px;
  font-size: clamp(13px, 1.4vw, 17px); font-weight: 500; letter-spacing: -0.02em;
  color: var(--fg-2);
  text-shadow: 0 0 6px var(--bg), 0 0 12px var(--bg), 0 0 2px var(--bg);
  transition: color 0.3s var(--ease);
}
.ml-city:hover, .ml-city.is-on { color: var(--fg); }
.ml-dist {
  transform: translate(-50%, -50%);
  font: 500 11px/1 var(--mono); color: var(--fg);
  background: var(--bg); border: 1px solid rgba(242, 33, 59, 0.5); border-radius: 999px; padding: 5px 9px;
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.ml-dist.is-on { opacity: 1; }

.cx-tabs { display: flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--bg-1); border: 1px solid var(--line); width: max-content; max-width: 100%; }
.cx-tab {
  padding: 9px 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--fg-2);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.cx-tab:hover { color: var(--fg); }
.cx-tab[aria-selected="true"] { background: var(--fg); color: var(--bg); }

.cx-panel { margin-top: 20px; }
.js .cx-panel:not(.is-on) { display: none; }
.js .cx-panel.is-on { animation: fade 0.5s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.cx-photo { aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: var(--bg-2); }
.cx-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85) brightness(0.9); }

.cx-body { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-top: 18px; }
.cx-body h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.03em; line-height: 1.2; }
.cx-body p { color: var(--fg-3); font-size: 15px; }
.cx-time { text-align: right; flex-shrink: 0; }
.cx-time time { display: block; font-size: 22px; font-weight: 400; letter-spacing: -0.02em; color: var(--fg); font-variant-numeric: tabular-nums; line-height: 1.2; }
.cx-time span { font-size: 13px; }

@media (max-width: 960px) {
  .cx { grid-template-columns: 1fr; }
  .cx-side { max-width: 560px; }
}
@media (max-width: 560px) {
  .ml-city { padding: 2px 6px; }
  .ml-dist { font-size: 9px; padding: 3px 6px; }
}

/* ---------- Format ---------- */

.flow-stage {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr);
  height: clamp(260px, 30vw, 380px);
}
.flow-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.flow-svg .fl-line { fill: none; stroke: var(--line-2); stroke-width: 1; }
.flow-svg .fl-pulse { fill: var(--red); }

.fl-col { position: relative; display: flex; flex-direction: column; justify-content: space-around; align-items: center; }
.fl-cities { align-items: flex-start; }

.fl-city {
  position: relative; z-index: 1;
  padding: 10px 18px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line-2);
  font-weight: 500; letter-spacing: -0.01em;
}
.fl-champ {
  position: relative; z-index: 1;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 1.5px solid var(--fg);
}
.fl-final { align-items: flex-end; justify-content: center; }
.fl-global {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: clamp(72px, 9vw, 112px); aspect-ratio: 1; border-radius: 50%;
  background: var(--red); color: #fff;
  font-size: clamp(28px, 3.4vw, 44px); font-weight: 500; letter-spacing: -0.04em;
  box-shadow: 0 0 0 10px var(--red-soft), 0 0 80px rgba(242, 33, 59, 0.35);
}

.flow-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.flow-steps li:nth-child(2) { text-align: center; }
.flow-steps li:nth-child(3) { text-align: right; }
.flow-steps h3 { font-size: 19px; font-weight: 500; letter-spacing: -0.02em; }
.flow-steps p { margin-top: 4px; color: var(--fg-2); font-size: 15px; }
.flow-steps li:nth-child(2) p { margin-inline: auto; max-width: 28ch; }
.flow-steps li:nth-child(3) p { margin-left: auto; max-width: 28ch; }

.awards { margin-top: clamp(56px, 7vw, 88px); padding-top: 24px; border-top: 1px solid var(--line); font-size: 15px; color: var(--fg-2); }
.awards span { color: var(--fg); font-weight: 500; margin-right: 12px; }

@media (max-width: 640px) {
  .flow-stage { height: 240px; }
  .fl-city { padding: 7px 12px; font-size: 14px; }
  .flow-steps { grid-template-columns: 1fr; gap: 18px; }
  .flow-steps li:nth-child(n) { text-align: left; }
  .flow-steps li:nth-child(n) p { margin: 4px 0 0; max-width: none; }
  .awards span { display: block; margin-bottom: 4px; }
}

/* ---------- Weekend ---------- */

.wk-readout { min-height: 128px; }
.wk-when { font: 500 14px/1 var(--mono); color: var(--red); font-variant-numeric: tabular-nums; }
.wk-readout h3 { margin-top: 14px; font-size: clamp(26px, 2.6vw, 34px); font-weight: 500; letter-spacing: -0.035em; line-height: 1.1; }
.wk-desc { margin-top: 8px; color: var(--fg-2); max-width: 52ch; }

.wk-chart {
  --pad-x: 10px;
  position: relative;
  margin-top: 32px; padding: 0 var(--pad-x);
  height: 128px;
  cursor: ew-resize; touch-action: pan-y; user-select: none; -webkit-user-select: none;
  border-radius: 12px;
}
.wk-chart:focus-visible { outline-offset: 6px; }

.wk-days { position: absolute; inset: 0 var(--pad-x); }
.wk-days span {
  position: absolute; top: 0; bottom: 0;
  left: calc(var(--a) / 51 * 100%); width: calc((var(--b) - var(--a)) / 51 * 100%);
  padding: 0 0 0 10px; border-left: 1px solid var(--line);
  font-size: 13px; color: var(--fg-3);
}
.wk-days em { font-style: normal; }

.wk-track { position: absolute; left: var(--pad-x); right: var(--pad-x); top: 52px; height: 14px; }
.wk-seg { position: absolute; top: 0; bottom: 0; border-radius: 3px; transition: opacity 0.3s; }
.wk-seg[data-kind="open"] { background: rgba(243, 243, 241, 0.28); }
.wk-seg[data-kind="build"] { background: rgba(243, 243, 241, 0.86); }
.wk-seg[data-kind="night"] { background: rgba(243, 243, 241, 0.3); }
.wk-seg[data-kind="judge"] { background: rgba(243, 243, 241, 0.5); }
.wk-seg[data-kind="final"] { background: var(--red); }
.wk-track.has-active .wk-seg:not(.is-on) { opacity: 0.55; }

.wk-marks { position: absolute; left: var(--pad-x); right: var(--pad-x); top: 78px; }
.wk-mark {
  position: absolute; top: 0; transform: translateX(-50%);
  padding-top: 12px;
  font: 400 12px/1.3 var(--mono); color: var(--fg-2); white-space: nowrap; text-align: center;
}
.wk-mark::before { content: ""; position: absolute; top: 0; left: 50%; height: 6px; border-left: 1px solid var(--fg-3); }
.wk-mark.is-final { color: var(--red); }
.wk-mark.is-end { transform: translateX(-100%); text-align: right; }
.wk-mark.is-end::before { left: auto; right: 0; }

.wk-cursor { position: absolute; top: 30px; bottom: 50px; left: var(--pad-x); width: 0; pointer-events: none; }
.wk-cursor::before { content: ""; position: absolute; top: 0; bottom: 0; left: -0.5px; border-left: 1px solid var(--fg); }
.wk-cursor i {
  position: absolute; top: 22px; left: -9px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--fg); box-shadow: 0 0 0 3px var(--bg), 0 0 0 9px rgba(243, 243, 241, 0.12);
  transition: transform 0.2s var(--ease);
}
.wk-chart.is-dragging .wk-cursor i { transform: scale(1.15); }

.wk-note { margin-top: 24px; font-size: 14px; color: var(--fg-3); }

@media (max-width: 640px) {
  .wk-chart { height: 120px; }
  .wk-days span { padding-left: 6px; }
  .wk-days em { display: none; }
  .wk-mark { font-size: 10px; }
  .wk-mark.is-mid { display: none; }
  .wk-readout { min-height: 150px; }
}

/* ---------- Tracks ---------- */

.tracks {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  column-gap: clamp(40px, 7vw, 120px);
  align-items: start;
}
.tr-btn {
  grid-column: 1;
  display: flex; align-items: baseline; gap: 20px; width: 100%;
  padding: 18px 0; text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: clamp(22px, 2.3vw, 32px); font-weight: 500; letter-spacing: -0.035em; line-height: 1.15;
  color: var(--fg-3);
  transition: color 0.3s var(--ease);
}
.tr-btn:first-of-type { border-top: 1px solid var(--line); }
.tr-btn span { font: 400 13px/1 var(--mono); letter-spacing: 0; color: var(--fg-3); transition: color 0.3s; flex-shrink: 0; }
.tr-btn:hover { color: var(--fg-2); }
.tr-btn[aria-expanded="true"] { color: var(--fg); }
.tr-btn[aria-expanded="true"] span { color: var(--red); }

.tr-panel { grid-column: 2; grid-row: 1 / span 5; align-self: center; }
.js .tr-panel:not(.is-on) { display: none; }
.js .tr-panel.is-on { animation: fade 0.5s var(--ease); }
.tr-panel ul { display: grid; gap: 4px; }
.tr-panel li {
  display: flex; align-items: center; gap: 16px;
  font-size: clamp(18px, 1.6vw, 22px); letter-spacing: -0.02em; color: var(--fg-2);
  padding: 8px 0;
}
.tr-panel li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--red); flex-shrink: 0; }
.tr-panel p { font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.02em; color: var(--fg-2); max-width: 22ch; }

@media (max-width: 860px) {
  .tracks { grid-template-columns: 1fr; }
  .tr-panel { grid-column: 1; grid-row: auto; padding: 4px 0 20px 40px; }
  .tr-panel li { font-size: 17px; padding: 4px 0; }
  .tr-panel p { font-size: 17px; }
  .tr-btn { font-size: 21px; }
}

/* ---------- Judging ---------- */

.rb-bar { display: flex; gap: 2px; height: 72px; }
.rb-bar button {
  flex: var(--w) 1 0; min-width: 0;
  display: flex; align-items: flex-end; padding: 10px 12px;
  border-radius: 4px;
  background: rgba(243, 243, 241, 0.12);
  font: 500 15px/1 var(--sans); color: var(--fg);
  transform-origin: left;
  transition: background 0.3s var(--ease), transform 1s var(--ease);
}
.rb-bar button:first-child { border-radius: 10px 4px 4px 10px; }
.rb-bar button:last-child { border-radius: 4px 10px 10px 4px; }
.rb-bar button:hover { background: rgba(243, 243, 241, 0.2); }
.rb-bar button.is-on { background: var(--red); }

.js .rubric:not(.is-in) .rb-bar button { transform: scaleX(0.001); }
.rubric.is-in .rb-bar button:nth-child(2) { transition-delay: 0s, 0.06s; }
.rubric.is-in .rb-bar button:nth-child(3) { transition-delay: 0s, 0.12s; }
.rubric.is-in .rb-bar button:nth-child(4) { transition-delay: 0s, 0.18s; }
.rubric.is-in .rb-bar button:nth-child(5) { transition-delay: 0s, 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .rb-bar button { transition: background 0.3s var(--ease); }
  .js .rubric:not(.is-in) .rb-bar button { transform: none; }
}

.rb-legend { display: flex; gap: 2px; margin-top: 12px; }
.rb-legend li {
  flex: var(--w) 1 0; min-width: 0; padding: 0 12px;
  font-size: 14px; color: var(--fg-3); cursor: pointer;
  overflow-wrap: anywhere; transition: color 0.3s;
}
.rb-legend li.is-on { color: var(--fg); }

.rb-detail { display: flex; align-items: baseline; gap: 20px; margin-top: 40px; min-height: 64px; }
.rb-detail b { font-size: clamp(44px, 5vw, 64px); font-weight: 500; letter-spacing: -0.05em; line-height: 1; color: var(--red); }
.rb-detail strong { display: block; font-size: 20px; font-weight: 500; letter-spacing: -0.02em; }
.rb-detail span span { color: var(--fg-2); }

.submit { margin-top: clamp(72px, 9vw, 120px); }
.submit-k { font-size: 14px; font-weight: 500; color: var(--fg-2); margin-bottom: 20px; }
.submit-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.submit-list li {
  display: flex; flex-direction: column; gap: 28px;
  padding: 22px; border-radius: 16px; background: var(--bg-1); border: 1px solid var(--line);
  font-weight: 500; letter-spacing: -0.01em;
}
.submit-list svg { width: 32px; height: 32px; fill: none; stroke: var(--fg); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 760px) {
  .rb-bar { height: 56px; }
  .rb-bar button { padding: 8px; font-size: 13px; }
  .rb-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; margin-top: 16px; }
  .rb-legend li { padding: 0; }
  .rb-detail { gap: 16px; }
  .rb-detail strong { font-size: 18px; }
  .submit-list { grid-template-columns: 1fr 1fr; }
}

/* ---------- FAQ ---------- */

.faq-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(40px, 7vw, 120px); }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; gap: 24px; align-items: center;
  padding: 22px 0;
  font-size: clamp(18px, 1.6vw, 21px); font-weight: 500; letter-spacing: -0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-2);
  display: grid; place-items: center;
  font: 400 18px/1 var(--sans); color: var(--fg-2);
  transition: transform 0.3s var(--ease), border-color 0.3s, color 0.3s;
}
.faq summary:hover::after { border-color: var(--fg-2); color: var(--fg); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 48px 24px 0; color: var(--fg-2); max-width: 60ch; }
.faq details a { color: var(--fg); border-bottom: 1px solid var(--red); }

@media (max-width: 960px) { .faq-grid { grid-template-columns: 1fr; gap: 0; } .faq details p { padding-right: 0; } }

/* ---------- Join ---------- */

.join-title { font-size: clamp(56px, 10vw, 152px); letter-spacing: -0.06em; }

.dates {
  position: relative;
  display: grid; grid-template-columns: repeat(5, 1fr);
  margin-top: clamp(56px, 7vw, 96px);
  padding-top: 32px;
}
.dates::before { content: ""; position: absolute; top: 5px; left: 0; right: 0; height: 1px; background: var(--line-2); }
.dates::after { content: ""; position: absolute; top: 5px; left: 0; height: 1px; width: var(--progress, 0%); background: var(--red); }
.dates li { position: relative; padding-right: 16px; }
.dates li::before {
  content: ""; position: absolute; top: -32px; left: 0;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--fg-2);
}
.dates li.is-done::before { background: var(--red); border-color: var(--red); }
.dates li.is-event::before { background: var(--red); border-color: var(--red); box-shadow: 0 0 0 5px var(--red-soft); }
.dates b { display: block; font-weight: 500; font-size: 15px; }
.dates li.is-event b { color: var(--red); }
.dates span { display: block; margin-top: 2px; color: var(--fg-3); font-size: 14px; }
.dates-now {
  position: absolute; top: -22px; transform: translateX(-50%);
  font: 500 11px/1 var(--mono); color: var(--red); white-space: nowrap;
}

.join-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: clamp(56px, 7vw, 88px); }
.join-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 10px;
  min-height: 240px; padding: 32px;
  border-radius: 20px; background: var(--red); color: #fff;
  transition: transform 0.4s var(--ease);
}
.join-card:hover { transform: translateY(-4px); }
.join-k { font-size: 14px; font-weight: 500; opacity: 0.85; }
.join-card h3 { font-size: clamp(28px, 3.2vw, 44px); font-weight: 500; letter-spacing: -0.045em; line-height: 1.05; }
.join-go {
  position: absolute; top: 28px; right: 28px;
  width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.5);
  display: grid; place-items: center; font-size: 20px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.join-card:hover .join-go { background: #fff; color: var(--red); }
.join-card-alt { background: var(--bg-1); color: var(--fg); border: 1px solid var(--line-2); }
.join-card-alt .join-k { color: var(--fg-2); opacity: 1; }
.join-card-alt .join-go { border-color: var(--line-2); }
.join-card-alt:hover .join-go { background: var(--fg); color: var(--bg); border-color: var(--fg); }

@media (max-width: 760px) {
  .dates { grid-template-columns: 1fr; padding-top: 0; padding-left: 28px; gap: 18px; }
  .dates::before { top: 0; bottom: 0; left: 5px; right: auto; width: 1px; height: auto; }
  .dates::after { top: 0; left: 5px; width: 1px; height: var(--progress, 0%); }
  .dates li { display: flex; gap: 12px; align-items: baseline; }
  .dates li::before { top: 5px; left: -28px; }
  .dates span { margin: 0; }
  .dates-now { display: none; }
  .join-grid { grid-template-columns: 1fr; }
  .join-card { min-height: 160px; padding: 24px; }
  .join-go { top: 20px; right: 20px; }
}

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--line); padding: 40px 0; }
.foot-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 14px; }
.foot-links a { color: var(--fg-2); transition: color 0.2s; }
.foot-links a:hover { color: var(--fg); }
.credits { margin-top: 28px; font-size: 12px; color: var(--fg-3); max-width: 120ch; line-height: 1.7; }
.credits a { color: var(--fg-2); }
.credits a:hover { color: var(--fg); }