:root {
  --bg: #fff3b0;
  --paper: #fffdf5;
  --ink: #111111;
  --muted: #4a4636;
  --pink: #ff5ca8;
  --blue: #7cd3ff;
  --green: #b4f07a;
  --orange: #ffa94d;
  --purple: #c3b1ff;
  --on-accent: #111111;
  --shadow: 4px 4px 0 var(--ink);
  --shadow-lg: 7px 7px 0 var(--ink);
  --border: 3px solid var(--ink);
  --head: "Unbounded", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161513;
    --paper: #23211d;
    --ink: #fff3b0;
    --muted: #c9c2a5;
    --shadow: 4px 4px 0 var(--pink);
    --shadow-lg: 7px 7px 0 var(--pink);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161513;
  --paper: #23211d;
  --ink: #fff3b0;
  --muted: #c9c2a5;
  --shadow: 4px 4px 0 var(--pink);
  --shadow-lg: 7px 7px 0 var(--pink);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; }
h1, h2, h3 { font-family: var(--head); font-weight: 700; line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(32px, 6vw, 56px); margin-bottom: 28px; }
h3 { font-size: 20px; }
p { margin: 0 0 12px; }
code, .mono { font-family: var(--mono); font-size: 0.9em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
section { padding: 88px 0; position: relative; }
.kicker { font-family: var(--mono); font-size: 14px; margin-bottom: 10px; display: inline-block; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Бутони и стикери */
.btn {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font: 700 16px var(--body);
  padding: 12px 20px;
  background: var(--pink); color: var(--on-accent);
  border: var(--border); border-radius: 0;
  box-shadow: var(--shadow);
  text-decoration: none; cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn.alt { background: var(--paper); color: var(--ink); }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px dashed var(--pink); outline-offset: 3px;
}

.sticker {
  display: inline-block;
  border: var(--border);
  padding: 6px 12px;
  font-weight: 700;
  font-size: 14px;
  color: var(--on-accent);
  box-shadow: 3px 3px 0 var(--ink);
}
.card {
  background: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}
.bg-pink { background: var(--pink); color: var(--on-accent); }
.bg-blue { background: var(--blue); color: var(--on-accent); }
.bg-green { background: var(--green); color: var(--on-accent); }
.bg-orange { background: var(--orange); color: var(--on-accent); }
.bg-purple { background: var(--purple); color: var(--on-accent); }

/* Навигация */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: var(--border);
}
.nav .wrap { display: flex; align-items: center; gap: 16px; height: 68px; }
.logo { font: 800 18px var(--head); text-decoration: none; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo span { background: var(--ink); color: var(--bg); padding: 2px 8px; }
.nav-links { display: flex; gap: 4px; margin-left: auto; list-style: none; padding: 0; margin-top: 0; margin-bottom: 0; }
.nav-links a { white-space: nowrap; text-decoration: none; font-weight: 700; font-size: 15px; padding: 6px 10px; border: 2px solid transparent; }
.nav-links a:hover { border-color: var(--ink); background: var(--paper); }
.icon-btn {
  width: 42px; height: 42px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper); color: var(--ink);
  border: var(--border); cursor: pointer; font-size: 18px;
}
.menu-btn { display: none; }
@media (max-width: 1220px) {
  .menu-btn { display: inline-flex; margin-left: auto; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; background: var(--bg); border-bottom: var(--border); padding: 12px 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 18px; padding: 10px 0; }
  .nav .cta-nav { display: none; }
}

/* Начало */
.hero { padding: 64px 0 96px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(44px, 8.5vw, 108px); letter-spacing: -0.05em; line-height: .88; }
.hero h1 .hl { background: var(--pink); color: var(--on-accent); padding: 0 .08em; display: inline-block; transform: rotate(-2deg); border: var(--border); }
.hero .lead { font-size: 20px; margin: 28px 0 24px; max-width: 34ch; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.float { position: absolute; z-index: 2; pointer-events: none; }
.s1 { transform: rotate(9deg); top: 20px; right: 4%; }
.s2 { transform: rotate(-8deg); bottom: 30px; left: 46%; }
.badge-round {
  width: 110px; height: 110px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  border: var(--border); font: 800 22px/1 var(--head); box-shadow: var(--shadow);
}
.badge-round small { font: 700 11px var(--body); margin-top: 4px; }
.s3 { bottom: -20px; right: 2%; transform: rotate(-14deg); }

.countdown { padding: 24px; }
.countdown .kicker { margin-bottom: 14px; }
.cd-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cd-box { border: var(--border); background: var(--bg); text-align: center; padding: 12px 4px; }
.cd-box b { display: block; font: 800 clamp(28px, 4.5vw, 44px)/1 var(--head); font-variant-numeric: tabular-nums; }
.cd-box span { font-size: 13px; font-weight: 700; }
.train { margin-top: 20px; font-family: var(--mono); font-size: 13px; }
.train-bar { height: 22px; border: var(--border); background: var(--bg); margin: 8px 0; position: relative; overflow: hidden; }
.train-bar i { position: absolute; inset: 0 auto 0 0; background: repeating-linear-gradient(-45deg, var(--green) 0 10px, var(--blue) 10px 20px); border-right: var(--border); }
.loss-svg { width: 100%; height: 70px; display: block; margin-top: 6px; }
.loss-svg path { fill: none; stroke: var(--ink); stroke-width: 3; }
.loss-svg circle { fill: var(--pink); stroke: var(--ink); stroke-width: 2; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .s2, .s3 { display: none; }
}

/* Лента с шеги */
.marquee { border-block: var(--border); background: var(--ink); color: var(--bg); overflow: hidden; white-space: nowrap; padding: 14px 0; }
.marquee .track { display: inline-block; animation: scroll 38s linear infinite; font: 700 18px var(--mono); }
.marquee .track span { margin: 0 22px; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* Карти с факти */
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
.fact { border: var(--border); box-shadow: var(--shadow-lg); padding: 24px; transition: transform .15s; }
.fact:nth-child(odd) { transform: rotate(-1.2deg); }
.fact:nth-child(even) { transform: rotate(1.2deg); }
.fact:hover { transform: rotate(0) scale(1.03); }
.fact b { font: 800 40px/1 var(--head); display: block; margin-bottom: 8px; }

.tracks { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 28px; }
.track-card h3 { margin: 12px 0 8px; }
.track-card .emoji { font-size: 36px; }

/* Програма */
.timeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.day h3 { margin-bottom: 14px; }
.day ol { list-style: none; margin: 0; padding: 0; border: var(--border); background: var(--paper); box-shadow: var(--shadow-lg); }
.day li { display: grid; grid-template-columns: 70px 1fr; gap: 12px; padding: 14px 16px; border-bottom: 2px dashed var(--ink); align-items: baseline; }
.day li:last-child { border-bottom: 0; }
.day time { font: 700 15px var(--mono); }
.day li.past { opacity: .5; }
.day li.now { background: var(--green); color: var(--on-accent); }
.day li.now::after { content: "← сега"; grid-column: 2; font: 700 12px var(--mono); }
.status-line { margin-bottom: 22px; }

/* Награди */
.prizes { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; align-items: end; }
.prize { text-align: center; padding: 28px 20px; border: var(--border); box-shadow: var(--shadow-lg); }
.prize .place { font: 800 64px/1 var(--head); }
.prize.first { padding-block: 44px; }
.special { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 28px; }
.special .card { box-shadow: var(--shadow); padding: 18px 20px; }
.special code { font-weight: 700; }

/* Отбори */
.teams-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; align-items: start; }
@media (max-width: 900px) { .teams-grid { grid-template-columns: 1fr; } }
form label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 4px; }
input[type="text"], input[type="email"], input[type="password"], textarea {
  width: 100%; font: 500 16px var(--body); color: var(--ink);
  background: var(--bg); border: var(--border); border-radius: 0; padding: 10px 12px;
}
textarea { min-height: 90px; resize: vertical; }
.field { margin-bottom: 16px; }
.field small { display: block; font-size: 13px; margin-top: 4px; }
.member { border: 2px dashed var(--ink); padding: 16px; margin-bottom: 14px; position: relative; }
.member legend { font: 700 14px var(--mono); padding: 0 6px; }
.member-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.member-grid .field { margin: 0; }
@media (max-width: 520px) { .member-grid { grid-template-columns: 1fr; } }
.remove-member { position: absolute; top: -14px; right: 10px; background: var(--paper); border: 2px solid var(--ink); color: var(--ink); font: 700 13px var(--body); padding: 2px 8px; cursor: pointer; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500 !important; font-size: 15px !important; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--pink); flex: none; }
.hp { position: absolute; left: -9999px; }
.form-msg { margin-top: 16px; padding: 12px 14px; border: var(--border); font-weight: 700; display: none; }
.form-msg.show { display: block; }
.form-msg.ok { background: var(--green); color: var(--on-accent); }
.form-msg.err { background: var(--pink); color: var(--on-accent); }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 8px; }

.capacity { font: 700 15px var(--mono); margin-bottom: 8px; }
.cap-bar { height: 18px; border: var(--border); background: var(--bg); margin-bottom: 20px; }
.cap-bar i { display: block; height: 100%; background: var(--pink); border-right: var(--border); transition: width .6s; }
.team-chips { display: flex; flex-wrap: wrap; gap: 10px; min-height: 40px; }
.team-chips .sticker { font-size: 15px; }
.team-chips .sticker:nth-child(3n) { transform: rotate(-2deg); }
.team-chips .sticker:nth-child(3n+1) { transform: rotate(1.5deg); }
.empty { font-family: var(--mono); font-size: 14px; }
.lfg { margin-top: 26px; }

/* Партньори */
.tier { margin-bottom: 36px; }
.tier-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.tier-head code { font-size: 15px; }
.logos { display: grid; gap: 18px; }
.tier.gpu .logos { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.tier.tpu .logos { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.tier.cpu .logos { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.logo-slot {
  border: 3px dashed var(--ink); background: var(--paper);
  display: flex; align-items: center; justify-content: center; text-align: center;
  font: 700 15px var(--mono); padding: 16px; text-decoration: none;
}
.tier.gpu .logo-slot { height: 150px; }
.tier.tpu .logo-slot { height: 110px; }
.tier.cpu .logo-slot { height: 80px; font-size: 13px; }
.logo-slot:hover { border-style: solid; background: var(--bg); }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: start; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: 1fr; } }
details { border: var(--border); background: var(--paper); margin-bottom: 12px; box-shadow: var(--shadow); }
summary { cursor: pointer; padding: 16px 18px; font-weight: 800; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 800 22px/1 var(--head); }
details[open] summary::after { content: "−"; }
details[open] summary { border-bottom: 2px dashed var(--ink); }
details > div { padding: 14px 18px 4px; }
.glossary dl { margin: 0; }
.glossary dt { font: 700 15px var(--mono); margin-top: 14px; }
.glossary dt:first-child { margin-top: 0; }
.glossary dd { margin: 2px 0 0; font-size: 15px; }

/* Футър */
footer { border-top: var(--border); padding: 48px 0; }
.foot { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.hint { font: 500 13px var(--mono); }

/* Великденско яйце */
.egg-overlay {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(0, 0, 0, .55);
}
.egg-overlay.show { display: flex; }
.egg-overlay .card { max-width: 440px; text-align: center; }
.egg-overlay .big { font: 800 48px/1 var(--head); margin: 8px 0 12px; }
.confetti { position: fixed; top: -60px; z-index: 101; pointer-events: none; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(var(--r)); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee .track { animation: none; }
  .confetti { display: none; }
  .btn, .fact { transition: none; }
}

/* Организатор */
.org {
  display: inline-flex; flex-direction: column; gap: 2px;
  margin-top: 28px; padding: 12px 16px;
  border: var(--border); background: var(--paper); box-shadow: var(--shadow);
  transform: rotate(-1deg); font-size: 15px;
}
.org .mono { font-size: 12px; }
.org-card { display: flex; flex-direction: column; gap: 4px; font-size: 17px; box-shadow: var(--shadow); }
.org-card b { font: 800 22px/1.2 var(--head); margin-bottom: 4px; }

/* Отворени данни */
.lead-2 { font-size: 19px; max-width: 60ch; margin: -8px 0 28px; }
.sub-h { margin: 48px 0 18px; font-size: 24px; }
.build { display: flex; flex-wrap: wrap; gap: 12px; }
.build .sticker { font-size: 16px; padding: 10px 14px; }
.build .sticker:nth-child(odd) { transform: rotate(-1.5deg); }
.build .sticker:nth-child(even) { transform: rotate(1.5deg); }
.sources { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.source { display: flex; flex-direction: column; gap: 6px; text-decoration: none; box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s; }
.source:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-lg); }
.source b { font: 800 22px var(--head); }
.source span { font-size: 15px; color: var(--muted); flex: 1; }
.source code { font-weight: 700; }
@media (max-width: 600px) {
  .logo { font-size: 15px; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
}

/* Теми */
.themes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.theme { display: flex; flex-direction: column; box-shadow: var(--shadow); }
.theme-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.theme-emoji { font-size: 30px; line-height: 1; }
.theme-q { font-weight: 700; color: var(--muted); }
.theme ul { list-style: none; margin: 4px 0 16px; padding: 0; flex: 1; }
.theme li { padding: 10px 0; border-top: 2px dashed var(--ink); font-size: 15px; }
.theme .tag { display: inline-block; font: 700 11px var(--mono); text-transform: uppercase; background: var(--ink); color: var(--bg); padding: 2px 6px; margin-right: 8px; }
.theme-src { font-size: 12px; font-weight: 700; }
.themes .theme:nth-child(4n+1) .theme-head h3 { box-shadow: inset 0 -10px 0 var(--pink); }
.themes .theme:nth-child(4n+2) .theme-head h3 { box-shadow: inset 0 -10px 0 var(--blue); }
.themes .theme:nth-child(4n+3) .theme-head h3 { box-shadow: inset 0 -10px 0 var(--green); }
.themes .theme:nth-child(4n+4) .theme-head h3 { box-shadow: inset 0 -10px 0 var(--orange); }