/* Mandato · site vitrine. Mise en page : bandeau, sections pleine largeur alternées, colonne de texte confortable. */
:root {
  color-scheme: light;
  --bg: #f4f6f5; --surface: #ffffff; --surface-2: #e9efeb; --ink: #13201a; --muted: #56645c; --rule: #d6dfda;
  --accent: #17604a; --accent-ink: #ffffff; --accent-soft: #dfeee7; --amber: #8a5a00; --amber-soft: #f5ead2;
  --f-display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Instrument Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", Consolas, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1513; --surface: #161e1b; --surface-2: #1d2824; --ink: #e5ece8; --muted: #9caaa2; --rule: #2b3732;
    --accent: #5cc3a0; --accent-ink: #07130e; --accent-soft: #163229; --amber: #e2b45c; --amber-soft: #33291a; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.6; }
a { color: var(--accent); }
.wrap { max-width: 1140px; margin: 0 auto; padding-inline: 20px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.site-top { background: var(--surface); border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 5; }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.mark { width: 32px; height: 32px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-family: var(--f-display); font-weight: 700; font-size: 18px; }
.brand-name { font-family: var(--f-display); font-weight: 700; font-size: 21px; }
.brand-name.small { font-size: 18px; }
.beta { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 1px 5px; margin-left: 8px; vertical-align: 3px; }
.site-nav { display: flex; align-items: center; gap: 6px 18px; flex-wrap: wrap; font-size: 15px; }
.site-nav a:not(.btn) { color: var(--muted); text-decoration: none; }
.site-nav a:not(.btn):hover { color: var(--ink); }
.btn { display: inline-block; font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; border-radius: 8px; padding: 10px 16px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink); line-height: 1.2; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.big { font-size: 17px; padding: 14px 22px; }
@media (max-width: 720px) { .site-nav a:not(.btn) { display: none; } }

section { padding-block: 64px; }
section.alt { background: var(--surface); border-block: 1px solid var(--rule); }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.1; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 58px); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; letter-spacing: -.01em; margin-bottom: 14px; }
h3 { font-size: 19px; font-weight: 600; margin-bottom: 6px; }
.eyebrow { font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.lead { font-size: 19px; color: var(--muted); max-width: 58ch; margin: 18px 0 26px; }
.prose { max-width: 68ch; }
.prose p { margin: 0 0 14px; }
.muted { color: var(--muted); }

.hero { padding-block: 72px 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cta-note { font-size: 14px; color: var(--muted); }
.figures { display: grid; gap: 12px; }
.figure { background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 18px 20px; }
.figure b { display: block; font-family: var(--f-display); font-weight: 700; font-size: 38px; color: var(--accent); line-height: 1.05; font-variant-numeric: tabular-nums; }
.figure span { color: var(--muted); font-size: 15px; }
.figure small { display: block; color: var(--muted); font-size: 12.5px; margin-top: 6px; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
@media (max-width: 820px) { .grid3 { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 20px; }
section.alt .card { background: var(--bg); }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.rule-n { font-family: var(--f-display); font-weight: 700; font-size: 30px; color: var(--accent); line-height: 1.1; margin-bottom: 6px; }
.step { border-top: 2px solid var(--accent); padding-top: 14px; }
.step small { font-family: var(--f-mono); color: var(--accent); font-size: 12.5px; }

.offer { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; margin-top: 28px; }
@media (max-width: 820px) { .offer { grid-template-columns: minmax(0, 1fr); } }
.offer .card { display: grid; gap: 10px; align-content: start; padding: 26px; }
.offer .card.main { border: 1.5px solid var(--accent); }
.offer .price { font-family: var(--f-display); font-weight: 700; font-size: 26px; color: var(--accent); }
.offer ul { margin: 4px 0 8px; padding-left: 20px; }
.offer li { margin-bottom: 6px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }
.quote { font-family: "Newsreader", Georgia, serif; font-size: 18px; background: var(--surface-2); border-radius: 10px; padding: 18px 20px; line-height: 1.6; color: var(--ink); }

details.faq { border-bottom: 1px solid var(--rule); padding-block: 16px; max-width: 78ch; }
details.faq summary { cursor: pointer; font-family: var(--f-display); font-weight: 600; font-size: 18px; list-style-position: outside; }
details.faq p { margin: 10px 0 0; color: var(--muted); }

.final { text-align: left; }
.final .card { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; padding: 28px; border: 1.5px solid var(--accent); }

.legal h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 8px; }
.legal h2 { font-size: 22px; margin: 34px 0 8px; }
.legal p, .legal li { max-width: 72ch; }
.todo { background: var(--amber-soft); border-radius: 8px; padding: 10px 14px; font-size: 14.5px; max-width: 72ch; }

.site-foot { border-top: 1px solid var(--rule); background: var(--surface); padding-block: 28px; font-size: 14px; color: var(--muted); }
.foot-in { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 12px 32px; }
@media (max-width: 720px) { .foot-in { grid-template-columns: minmax(0, 1fr); } }
.foot-in p { margin: 6px 0 0; max-width: 60ch; }
.foot-in nav { display: flex; flex-direction: column; gap: 4px; }
.foot-in nav a { color: var(--muted); }
.copy { grid-column: 1 / -1; font-size: 13px; }