/* opeidos.fr — interim site. Tokens from the SYSTEM OPT brand guide v2-1 (§5). */
@font-face {
  font-family: "Inter";
  src: url("inter-latin-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("inter-latin-ext-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --opt-deep-ink: #0b1220;
  --opt-navy: #1e2a44;
  --opt-forest: #0f5a49;
  --opt-graphite: #3b3f46;
  --bg: #ffffff;
  --rule: #dfe3e8;
  --soft: #f4f6f8;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--opt-deep-ink);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--opt-forest); text-underline-offset: 2px; }
a:hover { color: var(--opt-navy); }
:focus-visible { outline: 3px solid var(--opt-forest); outline-offset: 2px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--opt-navy); color: #fff; padding: .5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; color: #fff; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

header.site { border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--opt-navy); font-weight: 700; font-size: 1.2rem; }
.brand img { width: 40px; height: 40px; }
nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; margin: 0; padding: .5rem 0; }
nav a { color: var(--opt-graphite); text-decoration: none; font-size: .975rem; }
nav a:hover, nav a:focus-visible { color: var(--opt-forest); text-decoration: underline; }

.hero { padding: 4rem 0 3rem; border-bottom: 1px solid var(--rule); }
.eyebrow { color: var(--opt-forest); font-weight: 600; font-size: .9rem; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 .75rem; }
h1 { color: var(--opt-navy); font-size: clamp(1.9rem, 4vw, 2.6rem); line-height: 1.2; margin: 0 0 1rem; max-width: 22ch; }
h2 { color: var(--opt-navy); font-size: 1.6rem; line-height: 1.3; margin: 0 0 .75rem; }
h3 { color: var(--opt-navy); font-size: 1.15rem; margin: 0 0 .5rem; }
.lead { color: var(--opt-graphite); font-size: 1.15rem; max-width: 62ch; margin: 0 0 1.75rem; }
.btn { display: inline-block; background: var(--opt-forest); color: #fff; text-decoration: none; font-weight: 600; padding: .75rem 1.4rem; border-radius: 4px; }
.btn:hover { background: var(--opt-navy); color: #fff; }

section.block { padding: 3.25rem 0; border-bottom: 1px solid var(--rule); }
section.block > .wrap > p.intro { color: var(--opt-graphite); max-width: 70ch; margin: 0 0 2rem; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { border: 1px solid var(--rule); border-radius: 6px; padding: 1.4rem; background: #fff; }
.card p { color: var(--opt-graphite); margin: 0; }
.app { display: flex; gap: 1rem; align-items: flex-start; }
.app img { width: 48px; height: 48px; flex: none; }

ul.plain { padding-left: 1.2rem; color: var(--opt-graphite); }
ul.plain li { margin-bottom: .4rem; }

.about { display: grid; gap: 2rem; grid-template-columns: 2fr 1fr; }
.facts { background: var(--soft); border-radius: 6px; padding: 1.25rem 1.4rem; font-size: .975rem; }
.facts dt { font-weight: 600; color: var(--opt-navy); }
.facts dd { margin: 0 0 .75rem; color: var(--opt-graphite); }

footer.site { padding: 2rem 0 3rem; color: var(--opt-graphite); font-size: .925rem; }
footer.site ul { list-style: none; padding: 0; margin: .5rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }

.legal h1 { max-width: none; }
.legal h2 { font-size: 1.25rem; margin-top: 2rem; }
.legal p, .legal li { color: var(--opt-graphite); max-width: 75ch; }
.legal main { padding: 2.5rem 0 3rem; }

@media (max-width: 760px) {
  .about { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 0 2rem; }
  section.block { padding: 2.5rem 0; }
}
@media (forced-colors: active) {
  .btn { border: 2px solid ButtonText; }
  .card { border-color: CanvasText; }
}
@media print {
  header.site nav, .btn, .skip { display: none; }
  section.block { border: 0; }
}