/* Bold Stack — feuille de style partagée (FR, EN, mentions légales, 404). */

/* Polices auto-hébergées : Geist et Geist Mono, sous-ensemble latin, licence SIL OFL 1.1 (voir fonts/OFL.txt). */
@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/geist-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/geist-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --bg: #f6f5ee;
  --ink: #1b211c;
  --muted: #50594e;
  --line: #c8cbc0;
  --panel: #eeeee4;
  --accent: #355c18;
  --signal: #d8f3ad;
  --signal-ink: #202c14;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --header-h: 4.5rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171917;
    --ink: #f1f1e8;
    --muted: #b5bdb0;
    --line: #444c40;
    --panel: #20241f;
    --accent: #c0e995;
    --signal: #c9eb9e;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body { margin: 0; background: var(--bg); color: var(--ink); font: 1rem/1.6 var(--sans); font-optical-sizing: auto; }
a { color: inherit; text-underline-offset: .23em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { line-height: 1.08; font-weight: 700; text-wrap: balance; }
h1 { letter-spacing: -.04em; }
h2, h3 { letter-spacing: -.03em; }
h2 { font-size: clamp(2.2rem, 5.5vw, 4rem); }
h3 { font-size: clamp(1.35rem, 2.6vw, 1.8rem); }
p { text-wrap: pretty; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.wrap { width: min(72rem, calc(100% - 2 * clamp(1rem, 5vw, 4rem))); margin-inline: auto; }
.skip { position: absolute; top: .5rem; left: 1rem; z-index: 10; padding: .5rem 1rem; background: var(--bg); transform: translateY(-160%); }
.skip:focus { transform: none; }

/* En-tête : collant à partir de la tablette, dans le flux sur mobile. */
.site-header { background: var(--bg); }
@media (min-width: 48rem) {
  .site-header { position: sticky; top: 0; z-index: 5; }
  @supports (backdrop-filter: blur(1px)) {
    .site-header { background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(10px); }
  }
}
.top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .75rem 1.5rem; min-height: var(--header-h); padding-block: .9rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 750; text-decoration: none; letter-spacing: -.03em; }
.mark { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; background: var(--signal); color: var(--signal-ink); }
.mark svg { width: 1.25rem; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem 1.25rem; font-size: .9rem; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { text-decoration: underline; }
.lang { font: 600 .78rem/1 var(--mono); letter-spacing: .06em; border: 1px solid var(--line); padding: .35rem .5rem; }
.lang:hover { border-color: currentColor; }

.eyebrow { font: 600 .78rem/1.45 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.9fr 1fr; align-items: center; gap: clamp(1.6rem, 6vw, 5.5rem); padding-block: clamp(3rem, 8vw, 6.5rem); }
.hero h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); margin-block: 1rem 1.3rem; }
.hero h1 span { display: block; color: var(--accent); }
.intro { color: var(--muted); font-size: clamp(1.04rem, 2vw, 1.22rem); max-width: 36rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem 1.3rem; margin-top: 1.6rem; }
.button { display: inline-flex; align-items: center; gap: .8rem; padding: .68rem 1rem; background: var(--signal); color: var(--signal-ink); font-weight: 700; text-decoration: none; border: 1px solid transparent; }
.button:hover { color: var(--signal-ink); border-color: currentColor; }
.proof { display: flex; flex-wrap: wrap; gap: .35rem 0; list-style: none; margin: 2.2rem 0 0; padding: 0; font: .8rem/1.5 var(--mono); color: var(--muted); }
.proof li { padding-right: .9rem; margin-right: .9rem; border-right: 1px solid var(--line); }
.proof li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.proof strong { color: var(--ink); font-weight: 600; }

/* Illustration : couleurs pilotées par classes CSS (pas de var() dans les attributs SVG). */
.art { width: 100%; height: auto; display: block; background: var(--panel); border: 1px solid var(--line); }
.art .grid-line { fill: none; stroke: var(--line); opacity: .48; }
.art .corners { fill: none; stroke: var(--accent); }
.art .layers { stroke: var(--accent); stroke-width: 1.5; stroke-linejoin: round; }
.art .edge { fill: none; }
.art .layer-low { fill: var(--panel); }
.art .layer-mid { fill: var(--bg); }
.art .layer-top { fill: var(--signal); }
.art .edge-top { fill: none; stroke: var(--signal-ink); }
.art .code { fill: none; stroke: var(--signal-ink); stroke-width: 2; }

/* Sections */
.section { border-top: 1px solid var(--line); padding-block: clamp(2.8rem, 6vw, 5.25rem); scroll-margin-top: var(--header-h); }
.section h2 { margin: .6rem 0 1.65rem; }
.lede { color: var(--muted); max-width: 40rem; margin: -.6rem 0 1.8rem; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: .3rem 0 0; padding: 0; }
.tags li { border: 1px solid var(--line); padding: .14rem .5rem; font: .76rem/1.5 var(--mono); }

/* Expertises */
.skills { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.skill { display: flex; flex-direction: column; gap: .6rem; background: var(--panel); padding: clamp(1.15rem, 3vw, 2rem); }
.skill p:not(.eyebrow) { color: var(--muted); max-width: 65ch; }
.skill .tags { margin-top: auto; padding-top: .5rem; }

/* Missions */
.missions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.mission { display: flex; flex-direction: column; gap: .7rem; background: var(--panel); padding: clamp(1.15rem, 3vw, 2rem); }
.mission p:not(.eyebrow) { color: var(--muted); }
.mission .role { color: var(--ink); font-weight: 600; }
.mission .period { display: block; margin-top: .15rem; color: var(--muted); font-weight: 400; }
.mission .tags { margin-top: auto; padding-top: .5rem; }
.mission--featured { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr); gap: 1.2rem 2.5rem; align-items: start; }
.mission--featured h3 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.mission-head { display: grid; gap: .55rem; }
.mission-copy { display: grid; gap: .8rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: .9rem 1.5rem; margin: .3rem 0; padding-block: 1rem; border-block: 1px solid var(--line); }
.stats div { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: .1rem; }
.stats dt { font-size: .84rem; color: var(--muted); }
.stats dd { margin: 0; font-size: clamp(1.45rem, 2.6vw, 1.9rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.15; color: var(--accent); }

/* Témoignages */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.quote { display: flex; flex-direction: column; justify-content: space-between; gap: 1.2rem; background: var(--panel); padding: clamp(1.15rem, 3vw, 2rem); }
.quote blockquote { font-size: 1.08rem; }
.quote figcaption { font-size: .9rem; color: var(--muted); }
.quote figcaption strong { display: block; color: var(--ink); }

/* Contact */
.contact > p:not(.eyebrow) { color: var(--muted); max-width: 40rem; }
.email-line { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .8rem; margin-top: 1.3rem; font-size: .92rem; color: var(--muted); }
.email-line code { font: .9rem var(--mono); color: var(--ink); }
.copy { font: 600 .74rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink); background: transparent; border: 1px solid var(--line); padding: .4rem .6rem; cursor: pointer; }
.copy:hover { border-color: currentColor; color: var(--accent); }

/* Pages simples (mentions légales, 404) */
.page { padding-block: clamp(2.8rem, 7vw, 5.5rem); }
.page > * { max-width: 46rem; }
.page > p.eyebrow:last-child { margin-top: 2.4rem; }
.page h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin: .8rem 0 1.4rem; }
.page h2 { font-size: clamp(1.35rem, 2.6vw, 1.7rem); margin: 2.4rem 0 .8rem; }
.page p, .page dd { color: var(--muted); }
.page p + p { margin-top: .8rem; }
.other-lang { margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.other-lang h2 { margin-top: .8rem; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: .45rem 1.5rem; margin: 0; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; }

footer { border-top: 1px solid var(--line); }
.foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem 1.4rem; padding-block: 1.15rem; font-size: .85rem; color: var(--muted); }
.foot ul { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; list-style: none; margin: 0; padding: 0; }

@media (max-width: 48rem) {
  .hero { grid-template-columns: 1fr; }
  .art { max-width: 14rem; }
  .missions { grid-template-columns: 1fr; }
  .mission--featured { grid-template-columns: 1fr; }
}
@media (max-width: 34rem) {
  .skills { grid-template-columns: 1fr; }
  .proof { flex-direction: column; gap: .2rem; }
  .proof li { border-right: 0; margin-right: 0; padding-right: 0; }
  .facts { grid-template-columns: 1fr; gap: .1rem; }
  .facts dd { margin-bottom: .6rem; }
}