/* NullLag — сайт. Цвета те же, что в окне программы (ui/src/styles.css). */
:root {
  color-scheme: dark;
  --bg: #07090e;
  --panel: #10151e;
  --border: #212a3a;
  --text: #e9eef7;
  --muted: #8a95ab;
  --faint: #5c677d;
  --accent: #45f0b5;
  --grad: linear-gradient(135deg, #45f0b5 0%, #2bd4ff 100%);
  --on-accent: #04130d;
  --display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --text-font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 520px at 85% -10%, rgba(43, 212, 255, 0.13), transparent 70%),
    radial-gradient(800px 520px at 5% 10%, rgba(69, 240, 181, 0.10), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--text-font);
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

.accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.top {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 700 21px/1 var(--display);
  letter-spacing: 0.01em;
}

.chip {
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
}

main {
  flex: 1;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  text-align: center;
  padding: 56px 0 64px;
}

.hero-logo {
  display: block;
  margin: 0 auto 28px;
  border-radius: 26px;
  box-shadow: 0 18px 60px rgba(43, 212, 255, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

h1 {
  margin: 0;
  font: 800 clamp(34px, 6vw, 58px)/1.08 var(--display);
  letter-spacing: -0.02em;
}

.lead {
  max-width: 640px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 18px;
}

.cta {
  margin-top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 12px;
  background: var(--grad);
  color: var(--on-accent);
  font: 700 16px/1 var(--display);
  opacity: 0.55;
  cursor: default;
}

.soon {
  color: var(--faint);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 20px 18px;
}

.card h2 {
  margin: 0 0 6px;
  font: 700 17px/1.3 var(--display);
}

.card h2::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 14px;
  border-radius: 2px;
  background: var(--grad);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.steps {
  padding: 64px 0 24px;
}

.steps h2 {
  margin: 0 0 22px;
  font: 800 28px/1.2 var(--display);
  text-align: center;
}

.steps ol {
  list-style: none;
  counter-reset: step;
  margin: 0 auto;
  padding: 0;
  max-width: 620px;
  display: grid;
  gap: 10px;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px 1fr;
  column-gap: 14px;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
}

.steps li::before {
  content: counter(step);
  grid-row: span 2;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: var(--on-accent);
  font: 800 18px/1 var(--display);
}

.steps li b { font-family: var(--display); }

.steps li span {
  color: var(--muted);
  font-size: 15px;
}

.foot {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 16px 32px;
  color: var(--faint);
  font-size: 14px;
  text-align: center;
}

.notfound {
  text-align: center;
  padding: 96px 0;
}

.notfound h1 { font-size: clamp(30px, 5vw, 44px); }

.notfound p { color: var(--muted); }

.notfound a {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 22px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
}

@media (max-width: 520px) {
  .hero { padding: 32px 0 44px; }
  .lead { font-size: 16px; }
  .chip { display: none; }
}