:root {
  --bg: #07070c;
  --text: #f3f1ff;
  --muted: #8d89a6;
  --a: #7c5cff;
  --b: #ff4fd8;
  --c: #2de2e6;
  --card: rgba(255, 255, 255, .04);
  --line: rgba(255, 255, 255, .09);
  --sans: "Unbounded", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; overflow-x: hidden;
  background: var(--bg); color: var(--text);
  font-family: var(--mono); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--b); color: #000; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: var(--c); }

#stars { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }
.glow {
  position: fixed; width: 520px; height: 520px; border-radius: 50%;
  pointer-events: none; z-index: 1; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(124, 92, 255, .22), transparent 65%);
  transition: opacity .4s; left: 50%; top: 40%;
}
main { position: relative; z-index: 2; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* верх */
.top { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: .78rem; color: var(--muted); }
.status { display: inline-flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #39ff88; box-shadow: 0 0 12px #39ff88; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

/* герой */
.hero { min-height: calc(100vh - 80px); display: grid; place-content: center; text-align: center; gap: 28px; padding: 40px 0 80px; }
.tag { justify-self: center; padding: 6px 14px; border: 1px solid var(--line); border-radius: 100px; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); background: var(--card); }
h1 {
  margin: 0; font-family: var(--sans); font-weight: 900;
  font-size: clamp(3rem, 13vw, 9.5rem); line-height: .92; letter-spacing: -.04em;
}
.grad {
  background: linear-gradient(90deg, var(--a), var(--b), var(--c), var(--a));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: flow 8s linear infinite;
}
@keyframes flow { to { background-position: 300% 0; } }
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; opacity: 0;
}
.glitch.on::before { opacity: .8; color: var(--c); transform: translate(-4px, 2px); clip-path: inset(10% 0 55% 0); }
.glitch.on::after { opacity: .8; color: var(--b); transform: translate(4px, -2px); clip-path: inset(60% 0 8% 0); }
.sub { margin: 0 auto; max-width: 560px; color: var(--muted); font-size: clamp(.9rem, 2.4vw, 1.05rem); }
.sub b { color: var(--text); font-weight: 500; }

.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.btn {
  position: relative; padding: 16px 28px; border-radius: 14px; border: 0;
  font-weight: 600; font-size: .9rem; letter-spacing: .02em;
  transition: transform .2s, box-shadow .3s;
}
.btn:active { transform: scale(.96); }
.btn-main { background: linear-gradient(110deg, var(--a), var(--b)); color: #fff; box-shadow: 0 10px 40px -10px var(--b); }
.btn-main:hover { transform: translateY(-3px); box-shadow: 0 16px 50px -10px var(--b); }
.btn-ghost { background: var(--card); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--c); color: var(--c); }

.answer {
  min-height: 3.2em; margin: 0 auto; max-width: 620px;
  font-size: 1rem; color: var(--c);
}
.answer::after { content: "▍"; animation: pulse 1s infinite; margin-left: 2px; }

/* счётчики */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-bottom: 90px; }
.stat {
  padding: 26px 22px; border-radius: 20px; background: var(--card); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform .3s, border-color .3s;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(124, 92, 255, .5); }
.stat .num { font-family: var(--sans); font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .8rem; }

/* секция */
h2 { font-family: var(--sans); font-size: clamp(1.6rem, 5vw, 2.8rem); margin: 0 0 10px; letter-spacing: -.02em; }
.section { padding: 40px 0 90px; }
.section > p { color: var(--muted); margin: 0 0 30px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card {
  padding: 26px; border-radius: 20px; background: var(--card); border: 1px solid var(--line);
  text-align: left; transition: transform .3s, background .3s;
}
.card:hover { transform: translateY(-4px) rotate(-.5deg); background: rgba(255, 255, 255, .07); }
.card .ico { font-size: 2rem; }
.card h3 { font-family: var(--sans); font-size: 1.05rem; margin: 12px 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: .85rem; }
.card .open { margin-top: 14px; font-size: .78rem; color: var(--c); display: none; }
.card.opened .open { display: block; }

/* пустая коробка */
.box-zone { display: grid; place-items: center; gap: 18px; text-align: center; }
.box {
  width: 180px; height: 180px; border-radius: 28px; border: 0;
  background: linear-gradient(145deg, #1a1630, #0e0c1a);
  box-shadow: inset 0 0 0 1px var(--line), 0 30px 60px -20px rgba(124, 92, 255, .5);
  font-size: 4.5rem; display: grid; place-items: center;
  transition: transform .25s;
}
.box:hover { transform: rotate(-4deg) scale(1.04); }
.box.shake { animation: shake .5s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px) rotate(-6deg); } 40%, 80% { transform: translateX(8px) rotate(6deg); } }
.box-msg { color: var(--muted); min-height: 1.6em; }

footer { padding: 30px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.kbd { padding: 2px 7px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); }

.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 20; transform: translate(-50%, 140%);
  padding: 14px 20px; border-radius: 14px; background: #15122a; border: 1px solid var(--a);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, .7); transition: transform .4s cubic-bezier(.2, .9, .3, 1.3);
  max-width: calc(100% - 32px); text-align: center; font-size: .88rem;
}
.toast.show { transform: translate(-50%, 0); }

.party h1 .grad { animation-duration: .8s; }
.party .box { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s, transform .8s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 760px) {
  .stats, .grid { grid-template-columns: 1fr; }
  .glow { display: none; }
  .top .hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}