/* Layout: one centered column; hero echoes the X card (serif "Zura" over outlined italic "Hack"); quiet sections split by hairlines; motion: load sequence, marquee, scroll reveals, timeline fill */
  :root {
    --bg: #0a0a0a;
    --surface: #121212;
    --surface-2: #171717;
    --fg: #f4f4f1;
    --muted: rgba(244,244,241,0.60);
    --faint: rgba(244,244,241,0.34);
    --line: rgba(244,244,241,0.10);
    --line-strong: rgba(244,244,241,0.24);
    --outline: rgba(244,244,241,0.40);
    --glow: rgba(244,244,241,0.07);
    --serif: Georgia, 'Gelasio', 'Times New Roman', serif;
    --sans: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
    --step--1: 0.8125rem;
    --step-0: 1rem;
    --step-1: 1.125rem;
    --step-2: 1.375rem;
    --step-3: clamp(1.8rem, 4vw, 2.5rem);
    --hero: clamp(3.6rem, 11vw, 7.25rem);
    --ease: cubic-bezier(.2,.7,.2,1);
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--sans);
    font-size: var(--step-0);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  body::before {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    height: env(safe-area-inset-top, 0px);
    z-index: 60;
    background: var(--bg);
  }

  a { color: inherit; }
  :focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; border-radius: 6px; }

  .wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding-left: max(24px, env(safe-area-inset-left, 0px));
    padding-right: max(24px, env(safe-area-inset-right, 0px));
  }

  /* ---------- header ---------- */
  .site-header {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 50;
    transition: background .3s, border-color .3s, backdrop-filter .3s;
    border-bottom: 1px solid transparent;
  }
  .site-header.scrolled {
    background: rgba(10,10,10,0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--line);
  }
  .accent {
    height: 3px;
    background: linear-gradient(90deg, rgba(244,244,241,0.15) 0%, var(--fg) 30%, var(--fg) 70%, rgba(244,244,241,0.15) 100%);
    transform-origin: center;
    animation: grow 1.1s var(--ease) both;
  }
  .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-block: 16px;
  }
  .wordmark {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: var(--step--1);
  }
  .nav-links a:not(.btn) {
    position: relative;
    text-decoration: none;
    color: var(--muted);
    transition: color .2s;
  }
  .nav-links a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 1px;
    background: var(--fg);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease);
  }
  .nav-links a:not(.btn):hover { color: var(--fg); }
  .nav-links a:not(.btn):hover::after { transform: scaleX(1); }

  /* ---------- buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 11px 20px;
    border-radius: 999px;
    border: 1px solid var(--fg);
    text-decoration: none;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s, transform .2s var(--ease);
  }
  .btn:hover { transform: translateY(-2px); }
  .btn:active { transform: translateY(0); }
  .btn .arrow { transition: transform .25s var(--ease); }
  .btn:hover .arrow { transform: translateX(4px); }
  .btn-solid { background: var(--fg); color: var(--bg); }
  .btn-solid:hover { background: transparent; color: var(--fg); }
  .btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
  .btn-ghost:hover { border-color: var(--fg); }
  .btn-sm { padding: 7px 15px; font-size: var(--step--1); }
  .nav-links .btn-solid:hover { color: var(--fg); }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding-block: clamp(56px, 10vw, 112px) clamp(48px, 8vw, 88px);
  }
  .spotlight {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 40%), var(--glow), transparent 70%);
    transition: opacity .4s;
  }
  .grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 60% 70% at 50% 40%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 40%, #000 0%, transparent 75%);
    opacity: .5;
  }
  .hero-inner { position: relative; }
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: var(--step--1);
    color: var(--muted);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 6px 14px 6px 10px;
    margin-bottom: 28px;
    animation: rise .8s var(--ease) .1s both;
  }
  .pulse {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--fg);
    position: relative;
  }
  .pulse::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--fg);
    animation: ping 2s ease-out infinite;
  }
  .hero h1 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: var(--hero);
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin: 0 0 26px;
  }
  .hero h1 .zura { display: block; animation: rise 1s var(--ease) .2s both; }
  .hero h1 .hack {
    display: block;
    font-style: italic;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--outline);
    animation: rise 1s var(--ease) .35s both, strokeIn 2.4s var(--ease) .35s both;
  }
  .hero p.sub {
    max-width: 420px;
    margin: 0 auto 30px;
    color: var(--muted);
    font-size: 0.9375rem;
    text-wrap: balance;
    animation: rise .9s var(--ease) .5s both;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    animation: rise .9s var(--ease) .62s both;
  }
  .scroll-cue {
    margin: 44px auto 0;
    width: 22px; height: 34px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    position: relative;
    animation: rise .9s var(--ease) .8s both;
  }
  .scroll-cue::after {
    content: "";
    position: absolute;
    left: 50%; top: 7px;
    width: 3px; height: 7px;
    margin-left: -1.5px;
    border-radius: 2px;
    background: var(--fg);
    animation: wheel 1.8s ease-in-out infinite;
  }

  /* ---------- marquee ---------- */
  .marquee {
    border-block: 1px solid var(--line);
    overflow: hidden;
    padding-block: 18px;
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  }
  .marquee-track {
    display: flex;
    width: max-content;
    gap: 48px;
    animation: slide 38s linear infinite;
  }
  .marquee:hover .marquee-track { animation-play-state: paused; }
  .marquee-track span {
    display: inline-flex;
    align-items: center;
    gap: 48px;
    font-family: var(--serif);
    font-style: italic;
    font-size: var(--step-2);
    color: var(--muted);
    white-space: nowrap;
  }
  .marquee-track span::after {
    content: "";
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--faint);
  }

  /* ---------- sections ---------- */
  section.block {
    border-top: 1px solid var(--line);
    padding-block: clamp(56px, 9vw, 104px);
  }
  section.block.flush { border-top: 0; }
  .eyebrow {
    font-size: var(--step--1);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--faint);
    margin: 0 0 14px;
  }
  h2 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: var(--step-3);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 18px;
    text-wrap: balance;
  }
  .lede {
    max-width: 62ch;
    color: var(--muted);
    font-size: var(--step-1);
    margin: 0;
  }
  .lede + .lede { margin-top: 18px; }
  .head-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: end;
    gap: 16px 40px;
  }
  .head-row .lede { max-width: 44ch; font-size: var(--step-0); }

  .split {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 6vw, 80px);
    align-items: start;
  }
  .split > * { min-width: 0; }
  .sticky-col { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 96px); }

  /* about pillars */
  .pillars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 32px;
  }
  .pillar {
    border-top: 1px solid var(--line-strong);
    padding-top: 14px;
  }
  .pillar b {
    display: block;
    font-family: var(--serif);
    font-size: var(--step-2);
    margin-bottom: 4px;
  }
  .pillar span { color: var(--muted); font-size: 0.9375rem; }

  /* card base */
  .card {
    position: relative;
    background: var(--bg);
    padding: 28px 26px 30px;
    transition: background .3s;
    overflow: hidden;
  }
  .card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(260px circle at var(--cx, 50%) var(--cy, 0%), var(--glow), transparent 70%);
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
  }
  .card:hover::before { opacity: 1; }
  .card > * { position: relative; }
  .card svg {
    width: 26px; height: 26px;
    stroke: var(--fg); fill: none; stroke-width: 1.5;
    stroke-linecap: round; stroke-linejoin: round;
    margin-bottom: 18px;
    transition: transform .4s var(--ease);
  }
  .card:hover svg { transform: translateY(-3px) scale(1.06); }
  .card h3 {
    font-family: var(--serif);
    font-size: var(--step-2);
    font-weight: 700;
    margin: 0 0 8px;
  }
  .card p { margin: 0; color: var(--muted); }
  .card-grid {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    margin-top: 40px;
  }
  .cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footnote {
    margin: 18px 0 0;
    font-size: 0.9375rem;
    color: var(--muted);
  }

  /* tracks */
  .track-tag {
    display: inline-block;
    margin-top: 16px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--faint);
  }

  /* timeline */
  .timeline {
    list-style: none;
    margin: 0;
    padding: 0 0 0 44px;
    position: relative;
  }
  .timeline::before,
  .timeline::after {
    content: "";
    position: absolute;
    left: 13px; top: 6px; bottom: 6px;
    width: 1px;
    background: var(--line-strong);
  }
  .timeline::after {
    background: var(--fg);
    transform-origin: top;
    transform: scaleY(var(--progress, 0));
  }
  .timeline li {
    position: relative;
    padding-bottom: 34px;
  }
  .timeline li:last-child { padding-bottom: 0; }
  .timeline .dot {
    position: absolute;
    left: -44px; top: 0;
    width: 27px; height: 27px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--line-strong);
    display: grid;
    place-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--muted);
    transition: background .4s, color .4s, border-color .4s;
  }
  .timeline li.lit .dot { background: var(--fg); color: var(--bg); border-color: var(--fg); }
  .timeline h3 {
    margin: 0 0 4px;
    font-size: var(--step-1);
    font-weight: 500;
  }
  .timeline p { margin: 0; color: var(--muted); max-width: 52ch; }

  /* expect list */
  .expect {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .expect li {
    display: grid;
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 24px;
    padding-block: 22px;
    border-bottom: 1px solid var(--line);
    transition: padding-left .35s var(--ease);
  }
  .expect li:hover { padding-left: 8px; }
  .expect li:first-child { padding-top: 0; }
  .expect li:last-child { border-bottom: 0; }
  .expect strong { font-weight: 500; font-size: var(--step-1); }
  .expect span { color: var(--muted); }

  /* judging */
  .criteria {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    margin-top: 40px;
  }
  .criteria .card { padding: 24px 22px 26px; }
  .criteria .label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 14px;
  }

  /* details */
  .details {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin: 40px 0 0;
  }
  .detail {
    position: relative;
    padding-top: 16px;
  }
  .detail::before {
    content: "";
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 1px;
    background: var(--fg);
    transform-origin: left;
  }
  .detail dt {
    font-size: var(--step--1);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 6px;
  }
  .detail dd { margin: 0; font-size: var(--step-1); font-weight: 500; }

  /* bring */
  .bring {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
  }
  .chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 0.9375rem;
    color: var(--muted);
    transition: color .2s, border-color .2s, transform .25s var(--ease);
  }
  .chip:hover { color: var(--fg); border-color: var(--fg); transform: translateY(-2px); }
  .chip svg {
    width: 16px; height: 16px;
    stroke: currentColor; fill: none; stroke-width: 1.6;
    stroke-linecap: round; stroke-linejoin: round;
  }

  /* sponsors */
  .tiers {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 40px;
  }
  .tier {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color .3s, transform .35s var(--ease);
    min-width: 0;
  }
  .tier:hover { border-color: var(--line-strong); transform: translateY(-4px); }
  .tier.featured { background: var(--surface-2); border-color: var(--line-strong); }
  .tier .label {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--faint);
  }
  .tier h3 {
    margin: 0;
    font-family: var(--serif);
    font-size: var(--step-2);
  }
  .perks {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 9px;
  }
  .perks li {
    display: flex;
    gap: 12px;
    align-items: baseline;
    color: var(--muted);
    font-size: 0.9375rem;
  }
  .perks li::before {
    content: "";
    flex: none;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--fg);
    transform: translateY(-2px);
  }
  .logo-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
  }
  .logo-slot {
    border: 1px dashed var(--line-strong);
    border-radius: 12px;
    height: 72px;
    display: grid;
    place-items: center;
    font-size: var(--step--1);
    color: var(--faint);
    transition: border-color .3s, color .3s;
  }
  .logo-slot:hover { border-color: var(--fg); color: var(--fg); }

  /* contact cards */
  .cta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .cta {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(28px, 4vw, 40px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
    transition: border-color .3s;
  }
  .cta:hover { border-color: var(--line-strong); }
  .cta h2 { margin: 0; }
  .cta p { margin: 0; color: var(--muted); }
  .email-row {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-top: 6px;
  }
  .email {
    font-weight: 500;
    font-size: var(--step-1);
    user-select: all;
    word-break: break-all;
  }
  .copy {
    font-family: var(--sans);
    font-size: var(--step--1);
    color: var(--muted);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 14px;
    cursor: pointer;
    transition: color .2s, border-color .2s;
  }
  .copy:hover { color: var(--fg); border-color: var(--fg); }

  /* faq */
  .faq details { border-bottom: 1px solid var(--line); }
  .faq details:first-child { border-top: 1px solid var(--line); }
  .faq summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-block: 20px;
    font-size: var(--step-1);
    font-weight: 500;
    transition: color .2s;
  }
  .faq summary:hover { color: var(--fg); }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after {
    content: "+";
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--muted);
    transition: transform .3s var(--ease);
  }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details p {
    margin: 0 0 22px;
    max-width: 62ch;
    color: var(--muted);
  }
  .faq details[open] p { animation: rise .45s var(--ease) both; }

  /* final band */
  .final {
    text-align: center;
    border-top: 1px solid var(--line);
    padding-block: clamp(72px, 12vw, 140px);
    position: relative;
    overflow: hidden;
  }
  .final h2 {
    font-size: clamp(2.4rem, 7vw, 4.5rem);
    line-height: 1;
    margin-bottom: 24px;
  }
  .final h2 em {
    font-style: italic;
    color: transparent;
    -webkit-text-stroke: 1.2px var(--outline);
  }
  .final p { color: var(--muted); margin: 0 auto 30px; max-width: 44ch; }

  /* footer */
  footer {
    border-top: 1px solid var(--line);
    padding-block: 36px 48px;
  }
  .foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px 32px;
    font-size: var(--step--1);
    color: var(--muted);
  }
  .foot .wordmark { color: var(--fg); font-size: 1.1rem; }
  .foot-links { display: flex; flex-wrap: wrap; gap: 24px; }
  .foot-links a { text-decoration: none; transition: color .2s; }
  .foot-links a:hover { color: var(--fg); }

  /* ---------- reveal on scroll (content stays visible until JS opts it in) ---------- */
  .reveal.play { animation: rise .9s var(--ease) both; animation-delay: var(--d, 0s); }
  .detail.play::before { animation: grow 1s var(--ease) both; animation-delay: var(--d, 0s); }

  /* ---------- keyframes ---------- */
  @keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
  @keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  @keyframes ping { 0% { transform: scale(.6); opacity: .8; } 100% { transform: scale(1.8); opacity: 0; } }
  @keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }
  @keyframes slide { to { transform: translateX(-50%); } }
  @keyframes strokeIn { from { -webkit-text-stroke-color: rgba(244,244,241,0.9); } to { -webkit-text-stroke-color: var(--outline); } }

  /* ---------- responsive ---------- */
  @media (max-width: 900px) {
    .split { grid-template-columns: minmax(0, 1fr); }
    .sticky-col { position: static; }
    .details, .criteria { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cta-grid, .tiers { grid-template-columns: minmax(0, 1fr); }
    .cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .logo-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 640px) {
    .nav-links a:not(.btn) { display: none; }
    .cols-3, .criteria, .pillars { grid-template-columns: minmax(0, 1fr); }
    .expect li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
    .hero h1 .hack { -webkit-text-stroke-width: 1px; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation: none !important;
      transition: none !important;
    }
    .timeline::after { transform: scaleY(1); }
  }

/* ================= multi-page additions ================= */

.nav-links a.active:not(.btn) { color: var(--fg); }
.nav-links a.active:not(.btn)::after { transform: scaleX(1); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
  transition: border-color .2s;
}
.text-link:hover { border-color: var(--fg); }
.text-link .arrow { transition: transform .25s var(--ease); }
.text-link:hover .arrow { transform: translateX(4px); }

/* page hero for inner pages */
.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(56px, 9vw, 104px) clamp(40px, 7vw, 72px);
  border-bottom: 1px solid var(--line);
}
.page-hero .wrap { position: relative; }
.crumb {
  font-size: var(--step--1);
  color: var(--faint);
  margin: 0 0 18px;
  animation: rise .8s var(--ease) .05s both;
}
.crumb a { text-decoration: none; color: var(--muted); }
.crumb a:hover { color: var(--fg); }
.page-hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 16ch;
  text-wrap: balance;
  animation: rise 1s var(--ease) .12s both;
}
.page-hero h1 em {
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--outline);
}
.page-hero .lede { animation: rise 1s var(--ease) .25s both; }
.page-hero .hero-actions { justify-content: flex-start; margin-top: 28px; animation: rise 1s var(--ease) .35s both; }

/* generic card grid sizes */
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card ul.perks { margin-top: 16px; }

/* steps row (real sequences) */
.steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
  counter-increment: step;
  min-width: 0;
}
.steps li::before {
  content: counter(step);
  display: block;
  font-family: var(--serif);
  font-size: var(--step-2);
  font-weight: 700;
  margin-bottom: 6px;
}
.steps h3 { margin: 0 0 4px; font-size: var(--step-1); font-weight: 500; }
.steps p { margin: 0; color: var(--muted); font-size: 0.9375rem; }

/* prizes */
.prizes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.prize {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .3s, transform .35s var(--ease);
}
.prize:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.prize .place {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
}
.prize .place em { font-style: italic; color: transparent; -webkit-text-stroke: 1px var(--outline); }
.prize .amount { color: var(--muted); }
.awards { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

/* rules list */
.rules {
  list-style: none;
  margin: 0;
  padding: 0;
}
.rules li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
}
.rules li:first-child { padding-top: 0; }
.rules li:last-child { border-bottom: 0; }
.rules svg {
  width: 20px; height: 20px; margin-top: 3px;
  stroke: var(--fg); fill: none; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.rules strong { display: block; font-weight: 500; font-size: var(--step-1); margin-bottom: 2px; }
.rules span { color: var(--muted); }

/* prose (code of conduct) */
.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); margin-top: 48px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); font-size: var(--step-1); }
.prose ul { padding-left: 20px; margin: 0 0 16px; display: grid; gap: 8px; }
.prose li::marker { color: var(--faint); }
.prose strong { color: var(--fg); font-weight: 500; }
.toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.toc a {
  display: block;
  padding: 8px 0 8px 14px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  transition: color .2s, border-color .2s;
}
.toc a:hover { color: var(--fg); border-color: var(--fg); }

/* form */
.form-shell {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 40px);
}
.form { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field label, .field legend {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 0;
}
.field .opt { color: var(--faint); font-weight: 400; }
fieldset.field { border: 0; margin: 0; padding: 0; }
.input, .select, .textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: var(--step-0);
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.input::placeholder, .textarea::placeholder { color: var(--faint); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--fg);
  box-shadow: 0 0 0 4px var(--glow);
}
.textarea { min-height: 110px; resize: vertical; }
.select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.select option { background: var(--surface); color: var(--fg); }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span {
  display: inline-block;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9375rem;
  color: var(--muted);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.choice input:checked + span { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.choice input:focus-visible + span { outline: 2px solid var(--fg); outline-offset: 3px; }
.check { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 0.9375rem; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--fg); flex: none; }
.form .error { color: #ffb4a8; font-size: var(--step--1); min-height: 1em; margin: 0; }
.form-done {
  display: grid;
  gap: 14px;
  text-align: left;
}
.form-done h2 { margin: 0; }
.form-done p { margin: 0; color: var(--muted); }
.summary {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.9375rem;
  color: var(--muted);
  white-space: pre-wrap;
  user-select: all;
  overflow-wrap: anywhere;
}

/* checklist chips reuse .chip; submission list */
.checklist { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 12px; align-items: baseline; color: var(--muted); }
.checklist li::before { content: ""; flex: none; width: 14px; height: 14px; border: 1px solid var(--line-strong); border-radius: 4px; transform: translateY(2px); }

@media (max-width: 900px) {
  .cols-4, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prizes { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .cols-2, .cols-4, .steps, .field-row { grid-template-columns: minmax(0, 1fr); }
}

html, body { margin: 0; }
[hidden] { display: none !important; }
.tier-note { margin: -6px 0 0; font-size: var(--step--1); color: var(--faint); }
.foot { align-items: flex-start; }
.foot-cols { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.foot-cols a { text-decoration: none; color: var(--muted); transition: color .2s; }
.foot-cols a:hover { color: var(--fg); }
.foot-meta { width: 100%; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 20px; margin-top: 8px; border-top: 1px solid var(--line); color: var(--faint); }