/* HorsFlux — horsflux.fr. Mêmes couleurs que l'appli : ciel de crépuscule, sable, nuit. */

@font-face { font-family: "Cormorant"; src: url("fonts/cormorant-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("fonts/cormorant-500-italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("fonts/cormorant-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("fonts/figtree-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --night: #0F1112;
  --ridge: #15171D;
  --sky: #1C2B3B;
  --sand: #E8D9B5;
  --sand-dim: #BFAF8C;
  --glow: #E9A86E;
  --sage: #8FBFA8;
  --text: #ECEAE4;
  --muted: #9AA09E;
  --line: #2C3133;
  --serif: "Cormorant", "Cormorant Garamond", Georgia, serif;
  --sans: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: clamp(16px, 5vw, 48px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sand); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: #fff3d8; }
:focus-visible { outline: 2px solid var(--sand); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0; }
h2 { font-size: clamp(32px, 5vw, 46px); }
h3 { font-size: 24px; }

/* ——— Barre du haut ——— */
.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px var(--gutter);
  position: relative; z-index: 2;
}
.home .top { position: absolute; inset: 0 0 auto 0; }
.mark {
  font-family: var(--serif); font-size: 22px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--sand); text-decoration: none; padding-left: 0.32em;
}
.home .mark { visibility: hidden; } /* le grand titre suffit sur l'accueil */
.lang { font-size: 15px; color: var(--text); opacity: 0.85; }

/* ——— Le paysage ——— */
.hero {
  position: relative;
  min-height: max(560px, 92svh);
  display: grid; place-items: start center;
  overflow: hidden;
}
.land { position: absolute; inset: 0; width: 100%; height: 100%; }
.sun { animation: set 9s cubic-bezier(.2,.6,.3,1) both; }
@keyframes set { from { transform: translateY(-46px); } to { transform: translateY(0); } }
.hero-text {
  position: relative; text-align: center;
  padding: max(17svh, 110px) var(--gutter) 0;
}
.word {
  font-size: clamp(58px, 13vw, 168px);
  letter-spacing: 0.16em; padding-left: 0.16em;
  text-transform: uppercase; font-weight: 500;
  color: #F6EBD3;
  text-shadow: 0 2px 40px rgba(28, 43, 59, 0.55);
}
.tagline {
  margin: 10px 0 0;
  font: italic 500 clamp(24px, 3.4vw, 36px)/1.25 var(--serif);
  color: #F6EBD3;
}

/* ——— Contenu ——— */
.home main { background: linear-gradient(var(--ridge), var(--night) 34rem); }
main > section { padding: clamp(56px, 9vw, 104px) var(--gutter); }
main > section > h2 { max-width: 1040px; margin: 0 auto 36px; }

.intro { text-align: center; padding-top: 24px; }
.lede {
  max-width: 34ch; margin: 0 auto 32px;
  font: 500 clamp(24px, 3vw, 30px)/1.38 var(--serif);
}
.play {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--sand); color: var(--ridge);
  padding: 16px 28px; border-radius: 16px;
  font-weight: 600; text-decoration: none; font-size: 17px;
}
.play svg { width: 18px; height: 18px; }
.play:hover { background: #F6EBD3; color: var(--ridge); }
.note { color: var(--muted); font-size: 15px; margin: 14px 0 0; }

/* Les trois temps : une vraie séquence, donc numérotée. */
.steps {
  list-style: none; margin: 0 auto; padding: 0; max-width: 1040px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
  counter-reset: step;
}
.steps li { counter-increment: step; }
.steps li::before {
  content: counter(step);
  display: block; font: 500 64px/1 var(--serif); font-variant-numeric: lining-nums; color: var(--glow); margin-bottom: 14px;
}
.steps h3 { margin-bottom: 8px; }
.steps p { margin: 0; color: var(--muted); max-width: 32ch; }

/* Les écrans : une bande qui défile. */
.strip {
  display: flex; gap: 28px; overflow-x: auto; scroll-snap-type: x mandatory;
  margin: 0 calc(-1 * var(--gutter)); padding: 4px var(--gutter) 18px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
@media (min-width: 900px) {
  .strip { display: grid; grid-template-columns: repeat(3, minmax(0, 240px)); justify-content: center; gap: 48px 64px; margin: 0; padding: 0; overflow: visible; }
}
.strip figure { margin: 0; flex: 0 0 220px; scroll-snap-align: start; }
.strip img { border-radius: 22px; border: 1px solid var(--line); background: var(--ridge); }
.strip figcaption { margin-top: 14px; font-size: 15px; color: var(--muted); }
.strip figcaption strong { display: block; color: var(--text); font-weight: 600; }

/* Gratuit / HorsFlux+ */
.cols { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.col { padding: 32px 0; }
.col.plus { padding: 32px; border: 1px solid var(--sand-dim); border-radius: 24px; background: rgba(232, 217, 181, 0.04); }
.col h3 { font-size: 30px; margin-bottom: 18px; }
.col.plus h3 { color: var(--sand); }
.col ul { list-style: none; margin: 0; padding: 0; }
.col li { padding: 9px 0 9px 22px; position: relative; border-top: 1px solid var(--line); }
.col li::before { content: ""; position: absolute; left: 2px; top: 20px; width: 7px; height: 7px; border-radius: 50%; background: var(--sage); }
.col.plus li::before { background: var(--sand); }
.col.plus p { color: var(--muted); font-size: 15px; margin: 20px 0 0; }

/* La nuit : la promesse de confidentialité, sous les étoiles. */
.night {
  text-align: center;
  background:
    radial-gradient(1.2px 1.2px at 12% 22%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 27% 68%, #fff7 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 44% 14%, #fffa 50%, transparent 51%),
    radial-gradient(1px 1px at 61% 80%, #fff6 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 73% 30%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 60%, #fff7 50%, transparent 51%),
    radial-gradient(1.1px 1.1px at 94% 12%, #fff8 50%, transparent 51%),
    radial-gradient(1px 1px at 6% 86%, #fff6 50%, transparent 51%),
    linear-gradient(var(--night), #0B1018 50%, var(--night));
}
.night h2 { font-size: clamp(38px, 6.4vw, 72px); margin-bottom: 30px; }
.night ul { list-style: none; padding: 0; margin: 0 auto 28px; max-width: 40ch; }
.night li { padding: 6px 0; font-size: 18px; }

/* Questions */
.faq { max-width: 760px; margin: 0 auto; }
.faq > h2 { margin-bottom: 20px; }
details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 18px 36px 18px 0; position: relative;
  font-weight: 600;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font: 400 28px/1 var(--serif); color: var(--sand); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 20px; color: var(--muted); max-width: 64ch; }

.again { text-align: center; padding-top: 0; }

/* Pied de page */
.foot { padding: 40px var(--gutter) 48px; border-top: 1px solid var(--line); text-align: center; color: var(--muted); font-size: 15px; }
.foot ul { list-style: none; padding: 0; margin: 16px 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 28px; }
.foot a { color: var(--text); }
.foot p { margin: 0; }

/* ——— Pages légales ——— */
.doc { background: linear-gradient(var(--sky), var(--night) 22rem) no-repeat, var(--night); }
.prose { max-width: 70ch; margin: 0 auto; padding: 32px var(--gutter) 72px; }
.prose h1 { font-size: clamp(38px, 6vw, 54px); margin: 12px 0 8px; }
.prose h1 + p { color: var(--muted); margin-top: 0; }
.prose h2 { font-size: 30px; margin: 44px 0 10px; }
.prose h3 { font-size: 22px; margin: 28px 0 6px; }
.prose p, .prose li { color: #D9D7D1; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 6px 0; }
.prose code { font-size: 0.9em; background: var(--ridge); padding: 1px 6px; border-radius: 6px; }
.prose .back { margin-top: 48px; }
mark.todo { background: var(--glow); color: var(--ridge); padding: 1px 6px; border-radius: 5px; font-weight: 600; }
.lost { min-height: 50svh; }

/* ——— Petits écrans ——— */
@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .cols { grid-template-columns: 1fr; gap: 8px; }
  .col.plus { padding: 26px 20px; }
  .strip figure { flex-basis: 64vw; max-width: 260px; }
  .hero { min-height: max(520px, 86svh); }
}

@media (prefers-reduced-motion: reduce) {
  .sun { animation: none; }
  summary::after { transition: none; }
}