/* ouahabi-benhenni.com — feuille de style unique, sans dépendance externe */
:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --ink: #16181d;
  --ink-2: #4a4f5a;
  --ink-3: #7a7f8a;
  --line: #dedad0;
  --accent: #1f4fd1;
  --accent-soft: #e6ecfb;
  --ok: #0f7a5a;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --max: 1080px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #161920;
    --ink: #eceef2;
    --ink-2: #b4b9c4;
    --ink-3: #848a96;
    --line: #2a2e38;
    --accent: #7ea2ff;
    --accent-soft: #1b2440;
    --ok: #4fd1a5;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
img, svg { max-width: 100%; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* ---------- Header ---------- */
.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 20px; height: 58px; }
.brand { font-family: var(--mono); font-size: 14px; color: var(--ink); text-decoration: none; letter-spacing: .02em; white-space: nowrap; }
.brand b { color: var(--accent); font-weight: 600; }
.nav { display: none; gap: 22px; margin-left: auto; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--ink); }
.lang { margin-left: auto; font-family: var(--mono); font-size: 13px; color: var(--ink-2); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
@media (min-width: 860px) { .nav { display: flex; } .lang { margin-left: 0; } }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line); }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 18px; }
h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(44px, 8vw, 84px); line-height: 1.02; letter-spacing: -.02em;
  margin: 0 0 18px;
}
.roles { font-size: clamp(18px, 2.4vw, 22px); color: var(--ink-2); margin: 0 0 28px; }
.roles span + span::before { content: " · "; color: var(--ink-3); }
.lede { font-family: var(--serif); font-size: clamp(22px, 3vw, 30px); line-height: 1.35; max-width: 30ch; margin: 0 0 32px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; color: var(--ink-3); margin: 0; padding: 0; list-style: none; }
.meta li { display: flex; align-items: center; gap: 8px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); display: inline-block; }

/* ---------- Sections ---------- */
section { padding: 72px 0; border-bottom: 1px solid var(--line); }
.sec-head { display: grid; gap: 10px; margin-bottom: 40px; max-width: 720px; }
.sec-num { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(30px, 4.4vw, 44px); line-height: 1.1; letter-spacing: -.01em; margin: 0; }
.sec-head p { color: var(--ink-2); margin: 0; font-size: 18px; }
h3 { font-size: 20px; line-height: 1.3; margin: 0 0 8px; letter-spacing: -.005em; }
p { margin: 0 0 14px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 0; }
@media (min-width: 860px) { .stats { grid-template-columns: repeat(5, 1fr); } }
.stats div { background: var(--surface); padding: 22px 18px; }
.stats dt { font-size: 13px; color: var(--ink-3); line-height: 1.4; }
.stats dd { margin: 0 0 6px; font-family: var(--serif); font-size: 34px; line-height: 1.1; order: -1; }
.stats div { display: flex; flex-direction: column; }

/* ---------- Pillars ---------- */
.grid3 { display: grid; gap: 20px; }
@media (min-width: 860px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 26px; }
.card .k { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.card p { color: var(--ink-2); font-size: 16px; }
.card ul { margin: 12px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 15px; }

/* ---------- Case studies ---------- */
.case { padding: 40px 0; border-top: 1px solid var(--line); display: grid; gap: 22px; }
.case:first-of-type { border-top: 0; padding-top: 0; }
@media (min-width: 960px) { .case { grid-template-columns: 280px 1fr; gap: 48px; } }
.case-meta { font-size: 14px; color: var(--ink-3); }
.case-meta .tag { display: inline-block; font-family: var(--mono); font-size: 12px; color: var(--accent); background: var(--accent-soft); border-radius: 4px; padding: 2px 8px; margin-bottom: 12px; }
.case-meta h3 { color: var(--ink); font-size: 22px; font-family: var(--serif); font-weight: 500; }
.case-body > p { color: var(--ink-2); }
.case-body h4 { font-size: 13px; font-family: var(--mono); font-weight: 500; color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; margin: 22px 0 10px; }
.case-body ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 16px; }
.case-body li { margin-bottom: 6px; }
.stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; padding: 0; list-style: none; }
.stack li { font-family: var(--mono); font-size: 12px; color: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; padding: 2px 8px; margin: 0; }

/* Pipeline (diagramme en texte : lisible par les humains, les moteurs et les IA) */
.flow { list-style: none; margin: 18px 0 4px; padding: 0; display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px 0; counter-reset: step; }
.flow li {
  position: relative; display: flex; flex-direction: column; justify-content: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px; font-size: 14px; line-height: 1.35; margin-right: 30px; min-width: 120px; max-width: 220px;
}
.flow li small { display: block; color: var(--ink-3); font-size: 12px; margin-top: 2px; }
.flow li::after {
  content: "→"; position: absolute; right: -24px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-family: var(--mono); font-size: 16px;
}
.flow li:last-child { margin-right: 0; border-color: var(--accent); }
.flow li:last-child::after { content: none; }
.flow li.ai { border-style: dashed; border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); }
.sec-head .legend { font-size: 12px; color: var(--ink-3); font-family: var(--mono); }
@media (max-width: 560px) {
  .flow { flex-direction: column; gap: 22px; }
  .flow li { margin-right: 0; max-width: none; }
  .flow li::after { content: "↓"; right: auto; left: 18px; top: auto; bottom: -21px; transform: none; }
}

/* ---------- Principles ---------- */
.principles { counter-reset: p; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
@media (min-width: 860px) { .principles { grid-template-columns: 1fr 1fr; column-gap: 48px; } }
.principles li { counter-increment: p; padding: 24px 0 22px; border-top: 1px solid var(--line); }
.principles li::before { content: counter(p, decimal-leading-zero); font-family: var(--mono); font-size: 13px; color: var(--accent); display: block; margin-bottom: 8px; }
.principles h3 { font-family: var(--serif); font-weight: 500; font-size: 22px; }
.principles p { color: var(--ink-2); font-size: 16px; margin: 0; }

.method { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 48px 0 0; padding: 0; list-style: none; }
@media (min-width: 860px) { .method { grid-template-columns: repeat(6, 1fr); } }
.method li { background: var(--surface); padding: 18px 16px; font-size: 14px; color: var(--ink-2); }
.method b { display: block; color: var(--ink); font-size: 16px; margin-bottom: 4px; }

blockquote { margin: 48px 0 0; padding: 0 0 0 22px; border-left: 3px solid var(--accent); font-family: var(--serif); font-size: clamp(20px, 2.6vw, 26px); line-height: 1.4; max-width: 46ch; }

/* ---------- Timeline ---------- */
.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; gap: 4px 32px; padding: 22px 0; border-top: 1px solid var(--line); }
@media (min-width: 760px) { .timeline li { grid-template-columns: 170px 1fr; } }
.timeline time, .timeline .when { font-family: var(--mono); font-size: 13px; color: var(--ink-3); padding-top: 4px; }
.timeline h3 { font-size: 18px; margin-bottom: 2px; }
.timeline .org { color: var(--ink-2); font-size: 15px; margin-bottom: 8px; }
.timeline p { color: var(--ink-2); font-size: 16px; margin: 0; }

/* ---------- Two columns / misc ---------- */
.cols { display: grid; gap: 40px; }
@media (min-width: 860px) { .cols { grid-template-columns: 1fr 1fr; gap: 56px; } }
.list { margin: 0; padding: 0; list-style: none; }
.list li { padding: 14px 0; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 16px; }
.list li b { color: var(--ink); font-weight: 600; }
.skills { display: grid; gap: 0; margin: 0; }
.skills div { display: grid; gap: 4px 24px; padding: 14px 0; border-top: 1px solid var(--line); }
@media (min-width: 760px) { .skills div { grid-template-columns: 200px 1fr; } }
.skills dt { font-weight: 600; font-size: 15px; }
.skills dd { margin: 0; color: var(--ink-2); font-size: 15px; }

/* ---------- FAQ ---------- */
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); margin: 12px 0 0; max-width: 70ch; }

/* ---------- Footer ---------- */
.contact { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; padding: 0; list-style: none; }
.contact a { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 10px 18px; text-decoration: none; color: var(--ink); font-size: 15px; }
.contact a:hover { border-color: var(--accent); }
footer { padding: 32px 0 48px; font-size: 13px; color: var(--ink-3); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer a { color: var(--ink-3); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { .top, .lang { display: none; } section { padding: 24px 0; } body { background: #fff; color: #000; } }
section.band { padding: 40px 0; }
section.last { border-bottom: 0; }
.sec-head.tight { margin-bottom: 24px; }
@media (max-width: 859px) { .stats div:last-child { grid-column: 1 / -1; } }
h1, h2, .lede { overflow-wrap: break-word; }

/* ---------- Boutons & appels à l'action ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--bg); border: 1px solid var(--accent); border-radius: 999px; padding: 11px 20px; font-size: 15px; font-weight: 600; text-decoration: none; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); font-weight: 500; }
.btn.ghost:hover { border-color: var(--accent); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 28px; }

/* ---------- Pages internes ---------- */
.page-hero { padding: 40px 0 44px; }
.page-hero h1 { font-size: clamp(36px, 6vw, 60px); }
.page-hero .lede { max-width: 38ch; font-size: clamp(20px, 2.6vw, 26px); }
.byline { font-size: 14px; color: var(--ink-3); margin: 0; }
.crumbs { padding-top: 22px; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--ink-3); font-family: var(--mono); }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line); }
.crumbs a { color: var(--ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.note { color: var(--ink-2); font-size: 15px; margin-top: 18px; }

/* Texte long (articles, problèmes) */
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(24px, 3.2vw, 32px); margin: 44px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; margin: 28px 0 8px; }
.prose p, .prose li { color: var(--ink-2); font-size: 17.5px; line-height: 1.75; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }
.prose b { color: var(--ink); }
article > .prose { padding: 56px 16px 72px; }
@media (min-width: 720px) { article > .prose { padding: 64px 32px 80px; } }

/* Cartes d'expertise */
.grid4 { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid4 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grid4 { grid-template-columns: repeat(4, 1fr); } }
.link-card { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); transition: border-color .15s; }
.link-card:hover { border-color: var(--accent); text-decoration: none; }
.link-card p { flex: 1; }
.link-card .more { font-size: 14px; color: var(--accent); margin-top: 8px; }

/* Formats d'intervention */
.formats { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); counter-reset: f; }
@media (min-width: 860px) { .formats { grid-template-columns: repeat(5, 1fr); } }
.formats li { background: var(--surface); padding: 22px 18px; counter-increment: f; }
.formats li::before { content: counter(f, decimal-leading-zero); display: block; font-family: var(--mono); font-size: 12px; color: var(--accent); margin-bottom: 10px; }
.formats h3 { font-size: 17px; }
.formats p { color: var(--ink-2); font-size: 15px; margin: 0; }

/* Liste d'articles */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-list li { padding: 26px 0; border-top: 1px solid var(--line); max-width: 760px; }
.post-list time { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.post-list h3 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 6px 0 8px; }
.post-list h3 a { color: var(--ink); text-decoration: none; }
.post-list h3 a:hover { color: var(--accent); }
.post-list p { color: var(--ink-2); margin: 0; }

/* Bandeau de contact */
.cta { background: var(--surface); }
.cta h2 { max-width: 22ch; margin-bottom: 14px; }
.cta p { color: var(--ink-2); max-width: 62ch; font-size: 18px; }
.cta-zones { font-size: 14px !important; color: var(--ink-3) !important; margin: 0; }

/* Pied de page */
footer { border-top: 1px solid var(--line); padding-top: 40px; }
footer .wrap.foot-grid { display: grid; gap: 28px; justify-content: stretch; }
@media (min-width: 760px) { footer .wrap.foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.foot-grid b { color: var(--ink); font-size: 14px; }
.foot-grid p { margin: 6px 0 0; }
.foot-grid ul { list-style: none; margin: 8px 0 0; padding: 0; }
.foot-grid li { margin: 4px 0; }
.foot-bottom { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); }
.wrap.prose { max-width: var(--max); }
.wrap.prose > * { max-width: 760px; }