@font-face {
  font-family: "TataHand";
  src: url("fonts/TataHand.ttf") format("truetype");
  font-display: swap;
}

:root {
  --ink: #0e1410;
  --ink-2: #17201a;
  --ink-3: #233027;
  --paper: #f6f5f1;
  --surface: #ffffff;
  --text: #15171c;
  --muted: #5d636f;
  --hair: #e4e2dc;
  --accent: #2f8f46;
  --accent-ink: #ffffff;
  --on-ink: #f4f3ee;
  --on-ink-muted: #a2a7b3;
  --radius: 22px;
  --shadow: 0 1px 2px rgba(15, 17, 21, .05), 0 8px 24px -8px rgba(15, 17, 21, .12);
  --shadow-up: 0 2px 4px rgba(15, 17, 21, .06), 0 22px 44px -14px rgba(15, 17, 21, .25);
  --display: "TataHand", "Shantell Sans", system-ui, sans-serif;
  --body: "TataHand", "Shantell Sans", system-ui, sans-serif;
  --mono: "TataHand", "Shantell Sans", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12141a;
    --surface: #1b1e26;
    --text: #eeede8;
    --muted: #a0a6b2;
    --hair: #2a2e38;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -8px rgba(0, 0, 0, .5);
    --shadow-up: 0 2px 4px rgba(0, 0, 0, .3), 0 22px 44px -14px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }
html[lang="cs"] .en, html[lang="en"] .cs { display: none !important; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 400 19px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: .02em; line-height: 1.12; margin: 0; }
/* TataHand lowercase reads like cursive, so the comics letter in capitals – same here */
h1, h2, h3, .btn, .menu a, .jump a, .jump > span, .pill, .dl, .go, .rules li, a.sheet b, .lang button { text-transform: uppercase; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

.label {
  font: 400 14px/1 var(--body);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.mark { background: linear-gradient(transparent 58%, var(--accent) 58%, var(--accent) 92%, transparent 92%); padding: 0 .08em; }

/* ---------- top bar ---------- */
.bar { background: var(--ink); color: var(--on-ink); position: sticky; top: 0; z-index: 20; }
.bar .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 50px; width: auto; display: block; transition: transform .2s; }
.logo:hover img { transform: rotate(-2deg); }
.menu { display: flex; gap: 2px; margin-left: auto; }
.menu a {
  text-decoration: none; font-weight: 600; font-size: 15px; color: var(--on-ink-muted);
  padding: 8px 14px; border-radius: 999px; transition: color .15s, background .15s;
}
.menu a:hover { color: var(--on-ink); background: var(--ink-3); }
.menu a[aria-current="page"] { color: var(--accent-ink); background: var(--accent); }
.lang { display: flex; background: var(--ink-3); border-radius: 999px; padding: 3px; }
.lang button {
  font: 600 12px var(--mono); letter-spacing: .06em; color: var(--on-ink-muted);
  background: none; border: 0; border-radius: 999px; padding: 6px 10px; cursor: pointer;
}
html[lang="cs"] .lang [data-lang="cs"], html[lang="en"] .lang [data-lang="en"] { background: var(--on-ink); color: var(--ink); }

@media (max-width: 760px) {
  .bar .wrap { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; row-gap: 8px; }
  .lang { margin-left: auto; }
  .logo img { height: 38px; }
  .menu { order: 3; width: 100%; margin: 0; overflow-x: auto; scrollbar-width: none; }
  .menu a { padding: 7px 12px; white-space: nowrap; }
}

/* ---------- dark page heads ---------- */
.head { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.head::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent);
}
.head .wrap { position: relative; padding-top: 56px; padding-bottom: 64px; }
.head .label { color: var(--accent); }
.head h1 { font-size: clamp(40px, 7vw, 76px); margin: 14px 0 16px; max-width: 14ch; }
.head p { color: var(--on-ink-muted); font-size: 19px; max-width: 52ch; margin: 0; }

/* home hero */
.hero .wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; padding-top: 64px; padding-bottom: 80px; }
.hero h1 { font-size: clamp(36px, 5.6vw, 76px); max-width: none; white-space: nowrap; }
.hero h1 em { font-style: normal; color: var(--accent); }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-weight: 700; font-size: 16px; padding: 13px 22px; border-radius: 999px;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn::after { content: "→"; font-family: var(--mono); transition: transform .15s; }
.btn:hover::after { transform: translateX(3px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { box-shadow: 0 10px 30px -8px rgba(47, 143, 70, .55); }
.btn.ghost { background: var(--ink-3); color: var(--on-ink); }
.btn.light { background: var(--ink); color: var(--on-ink); }
@media (prefers-color-scheme: dark) { .btn.light { background: var(--on-ink); color: var(--ink); } }
.btn.quiet { background: var(--hair); color: var(--text); }

.stage { position: relative; aspect-ratio: 1 / .9; }
.stage .blob { position: absolute; inset: 8% 6%; border-radius: 42% 58% 54% 46% / 50% 44% 56% 50%; background: var(--ink-2); }
.stage .ring { position: absolute; inset: 14% 12%; border-radius: 50%; border: 1px dashed rgba(255, 255, 255, .14); }
.stage img { position: absolute; filter: drop-shadow(0 14px 18px rgba(0, 0, 0, .45)); animation: float 6s ease-in-out infinite; }
.stage .s1 { width: 31%; left: 6%; top: 22%; }
.stage .s2 { width: 27%; left: 39%; top: 6%; animation-delay: -2s; }
.stage .s3 { width: 33%; right: 2%; top: 30%; animation-delay: -4s; }
.stage .s4 { width: 30%; left: 30%; bottom: 0; animation-delay: -1s; }
@keyframes float { 50% { transform: translateY(-10px); } }

@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 40px; padding-bottom: 48px; }
  .stage { max-width: 420px; width: 100%; margin: 0 auto; }
}

/* ---------- content sections ---------- */
main section { padding: 64px 0; }
main section + section { padding-top: 0; }
.sec-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.sec-head h2 { font-size: clamp(30px, 4.5vw, 46px); margin-top: 10px; }
.sec-head p { color: var(--muted); margin: 8px 0 0; max-width: 56ch; }

.tile {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
a.tile { text-decoration: none; display: block; }
a.tile:hover, a.tile:focus-visible { transform: translateY(-4px); box-shadow: var(--shadow-up); }

/* home: three doors */
.doors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.door { padding: 26px; position: relative; overflow: hidden; min-height: 260px; display: flex; flex-direction: column; }
.door h3 { font-size: 30px; margin: 10px 0 8px; }
.door p { color: var(--muted); margin: 0; max-width: 62%; }
.door img { position: absolute; right: 18px; bottom: 18px; height: 112px; width: auto; transition: transform .3s; }
.door:hover img { transform: rotate(-4deg) scale(1.06); }
.door .go { margin-top: auto; padding-top: 20px; font: 600 13px var(--mono); }
@media (max-width: 860px) { .doors { grid-template-columns: 1fr; } .door { min-height: 200px; } .door img { height: 100px; } }

/* home: feature strip */
.feature { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.feature .txt { padding: 36px; }
.feature .txt h3 { font-size: 34px; margin: 10px 0 12px; }
.feature .txt p { color: var(--muted); margin: 0 0 22px; }
.feature .pic { background: var(--accent); display: grid; place-items: center; padding: 28px; position: relative; }
.feature .pic img { max-height: 260px; width: auto; filter: drop-shadow(0 16px 20px rgba(0, 0, 0, .2)); }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } .feature .pic { order: -1; } .feature .txt { padding: 26px; } }

/* materials */
.jump { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.jump a {
  text-decoration: none; font: 600 13px var(--mono); padding: 8px 14px; border-radius: 999px;
  background: var(--ink-3); color: var(--on-ink);
}
.jump a:hover { background: var(--accent); color: var(--accent-ink); }
.jump > span { font: 600 13px var(--mono); padding: 8px 14px; border-radius: 999px; border: 1px solid var(--ink-3); color: var(--on-ink); }
.lesson { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding: 48px 0; border-top: 1px solid var(--hair); scroll-margin-top: 80px; }
.lesson:first-child { border-top: 0; padding-top: 8px; }
.lesson .big { font: 400 96px/1 var(--display); color: var(--accent); -webkit-text-stroke: 2px var(--text); color: transparent; }
.lesson h2 { font-size: 28px; margin: 12px 0 10px; }
.lesson .about { color: var(--muted); margin: 0; }
.sheets { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 20px; }
a.sheet { padding: 14px 14px 16px; }
.paper { aspect-ratio: 1 / 1.2; background: var(--hair); border-radius: 14px; display: grid; place-items: center; padding: 14px; overflow: hidden; }
.paper img { max-height: 100%; width: auto; background: #fff; box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .3); transition: transform .25s; }
a.sheet:hover .paper img { transform: rotate(-2deg) scale(1.03); }
a.sheet b { display: block; margin-top: 14px; font: 700 17px/1.25 var(--display); }
a.sheet small { display: block; color: var(--muted); margin-top: 4px; font-size: 14px; line-height: 1.45; }
a.sheet .dl { display: flex; align-items: center; gap: 6px; margin-top: 12px; font: 600 12px var(--mono); }
a.sheet .dl::before { content: "↓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); }
@media (max-width: 860px) {
  .lesson { grid-template-columns: 1fr; gap: 20px; padding: 36px 0; }
  .lesson .big { font-size: 64px; }
  .sheets { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  a.sheet { padding: 10px 10px 12px; }
}

/* games */
.games { display: grid; gap: 24px; }
.game { display: grid; grid-template-columns: 340px 1fr; overflow: hidden; }
.game .pic { display: grid; place-items: center; padding: 28px; min-height: 280px; background: var(--g, var(--hair)); position: relative; }
.game .pic img { max-height: 230px; width: auto; filter: drop-shadow(0 14px 18px rgba(0, 0, 0, .25)); transition: transform .3s; }
.game:hover .pic img { transform: translateY(-6px) rotate(-2deg); }
.game .txt { padding: 32px 36px; display: flex; flex-direction: column; align-items: flex-start; }
.game h2 { font-size: 36px; margin: 10px 0 12px; }
.game p { color: var(--muted); margin: 0 0 22px; max-width: 54ch; }
.game .btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; }
.pill { display: inline-flex; align-items: center; gap: 8px; font: 600 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; }
.pill.live { background: #d8f5d0; color: #1d5a12; }
.pill.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2fa31a; box-shadow: 0 0 0 3px rgba(47, 163, 26, .25); }
.pill.soon { background: var(--hair); color: var(--muted); }
.game.soon .pic { min-height: 200px; background: var(--ink); }
.game.soon .q { font: 800 120px/1 var(--display); color: var(--accent); animation: float 6s ease-in-out infinite; }
.game.soon .txt { justify-content: center; }
.game.soon h2 { color: var(--muted); margin-bottom: 0; }
.meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
@media (max-width: 760px) {
  .game { grid-template-columns: 1fr; }
  .game .pic { min-height: 220px; }
  .game .txt { padding: 24px; }
}

/* club */

.rules { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; counter-reset: r; }
.rules li { counter-increment: r; display: flex; gap: 16px; align-items: center; padding: 18px 20px; font: 600 18px/1.35 var(--display); }
.rules li::before {
  content: counter(r); flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font: 700 16px var(--mono);
}
@media (max-width: 760px) { .rules { grid-template-columns: 1fr; } }



footer { background: var(--ink); color: var(--on-ink-muted); margin-top: 40px; }
footer .wrap { padding-top: 36px; padding-bottom: 44px; display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; font-size: 14px; }
footer a { color: var(--on-ink); }

/* entrance */
.rise { animation: rise .6s cubic-bezier(.2, .7, .2, 1) both; }
.rise.d1 { animation-delay: .08s; } .rise.d2 { animation-delay: .16s; } .rise.d3 { animation-delay: .24s; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }