/* Charte Sidge (docs/CHARTE.md) : fond nuit, le violet est l'accent, pas le décor. */
:root {
  --bg: #0b0618;
  --surface: #140a28;
  --ink: #0e0620;
  --border: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.64);
  --text-3: rgba(255, 255, 255, 0.4);
  --accent: #8e6af5;
  --lavender: #b9a2ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px 16px;
  text-align: center;
}

.mark {
  width: 120px;
  height: 120px;
  overflow: visible;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(110, 74, 216, 0.35);
  animation: breathe 2.4s ease-in-out infinite alternate;
}

.mark .slits {
  fill: var(--ink);
  animation: slits 2.4s ease-in-out infinite alternate;
}

/* Le cube qui respire : la lumière monte, les fentes s'éclairent faiblement en lavande. */
@keyframes breathe {
  from {
    box-shadow: 0 16px 48px rgba(110, 74, 216, 0.25);
  }
  to {
    box-shadow: 0 16px 64px rgba(142, 106, 245, 0.5);
  }
}

@keyframes slits {
  from {
    fill: #0e0620;
  }
  to {
    fill: rgba(185, 162, 255, 0.6);
  }
}

.logotype {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  font-size: 56px;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.promise {
  margin: 0;
  font-size: 22px;
  line-height: 28px;
  font-weight: 700;
}

.lead {
  margin: 0;
  max-width: 34rem;
  font-size: 16px;
  line-height: 22px;
  color: var(--text-2);
}

.steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px 0 6px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
}

.steps span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.soon {
  margin: 24px 0 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
}

.footer {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 24px 16px;
  font-size: 12px;
  color: var(--text-3);
}

@media (prefers-reduced-motion: reduce) {
  .mark,
  .mark .slits {
    animation: none;
  }
}