:root {
  --ground: #151412;
  --paper: #efe9df;
  --quiet: #85807a;
  --rule: #2b2926;
  --accent: #ff6a3d;
  --sans: "Geist", system-ui, sans-serif;
  --pad: clamp(16px, 4.5vw, 72px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--ground);
  color: var(--paper);
  font: 400 16px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* Header */
.top {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 24px;
  padding: calc(var(--pad) * .6) var(--pad) 0;
}
.logo {
  font-weight: 600; font-size: clamp(36px, 6vw, 60px);
  line-height: 1; letter-spacing: -.045em; text-decoration: none;
}
.logo span { color: var(--quiet); }
.beta {
  font-size: .25em; font-weight: 500; letter-spacing: .02em;
  color: var(--accent);
  margin-left: .5em; vertical-align: 2.4em;
}
.aside { max-width: 22ch; text-align: right; color: var(--quiet); font-size: 14px; padding-top: .4em; }

/* Stage : l'adresse porte toute la page */
.stage { align-self: center; padding: 0 var(--pad); min-width: 0; }
.kicker { color: var(--quiet); font-size: 15px; margin-bottom: .6em; }

.address {
  font-weight: 600;
  font-size: clamp(48px, 10.5vw, 200px);
  line-height: .9; letter-spacing: -.055em;
  white-space: nowrap;
  margin-left: -.05em; /* compense l'approche optique de la première lettre */
}
.who { color: var(--quiet); font-weight: 400; }
.caret {
  display: inline-block; width: .04em; height: .72em;
  margin: 0 .03em; background: var(--accent);
  vertical-align: -.02em;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.below {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 40px; margin-top: clamp(28px, 5vh, 56px);
}
.lede { max-width: 38ch; font-size: clamp(16px, 1.4vw, 19px); }

.act { text-align: right; }
.cta {
  font-size: clamp(18px, 1.6vw, 22px); font-weight: 500;
  text-decoration: underline; text-decoration-thickness: 1.5px;
  text-underline-offset: .28em; text-decoration-color: var(--accent);
  transition: color .15s;
}
.cta:hover { color: var(--accent); }
.cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
.note { color: var(--quiet); font-size: 14px; margin-top: .7em; }

/* Colophon */
.colophon {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  margin: 0 var(--pad); padding: 18px 0 calc(var(--pad) * .5);
  border-top: 1px solid var(--rule);
  color: var(--quiet); font-size: 13px;
}
.colophon i { font-style: normal; padding: 0 .35em; opacity: .5; }

/* Desktop : un écran, pas de scroll */
@media (min-width: 901px) {
  body { height: 100dvh; overflow: hidden; }
}

@media (max-width: 900px) {
  .aside { display: none; }
  .stage { padding-top: 12vh; padding-bottom: 8vh; }
  .address { font-size: 11.5vw; }
  .below { flex-direction: column; align-items: flex-start; gap: 28px; }
  .act { text-align: left; }
  .colophon { flex-direction: column; gap: 12px; }
}

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