/* Cybeus, site vitrine. CSS unique, aucune dépendance, aucune police externe. */

:root {
  --navy: #14171c;
  --navy-2: #23272e;
  --ink: #17212b;
  --muted: #5b6875;
  --line: #d9e0e7;
  --paper: #f6f8fa;
  --white: #ffffff;
  --teal: #a87c4f;
  --teal-dark: #8a6238;
  --amber: #d4a35a;
  --radius: 6px;
  --maxw: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Arabic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--teal-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; color: var(--navy); font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.45rem, 2.8vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: 20px; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--teal-dark); margin-bottom: .8em;
}
[dir="rtl"] .eyebrow { letter-spacing: 0; }

/* Accessibilité */
.skip {
  position: absolute; inset-inline-start: -999px; top: 8px; background: var(--navy); color: #fff;
  padding: .5em 1em; border-radius: var(--radius); z-index: 100;
}
.skip:focus { inset-inline-start: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* En-tête */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 700; font-size: 1.25rem; }
.brand svg { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--teal-dark); }
.lang { display: flex; gap: 6px; margin-inline-start: 10px; padding-inline-start: 14px; border-inline-start: 1px solid var(--line); }
.lang a { font-size: .8rem; font-weight: 600; padding: 4px 8px; border-radius: 4px; border: 1px solid var(--line); text-decoration: none; }
.lang a[aria-current="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.menu-toggle { display: none; }

/* Boutons */
.btn {
  display: inline-block; padding: .75em 1.4em; border-radius: var(--radius); font-weight: 600;
  text-decoration: none; border: 2px solid transparent; transition: background .15s, color .15s;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-outline { border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(160deg, #0f1114 0%, var(--navy-2) 60%, #3a2c18 100%);
  color: #fff; padding-block: clamp(64px, 10vw, 120px);
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; max-width: 860px; }
.hero h1 { color: #fff; }
.hero p.lead { font-size: 1.2rem; color: rgba(255,255,255,.85); max-width: 640px; }
.hero .eyebrow { color: var(--amber); }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* Sections */
section { padding-block: clamp(56px, 8vw, 96px); }
section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 8px;
}
.card h3 { margin-bottom: .2em; }
.card .num { font-size: .8rem; font-weight: 700; color: var(--teal-dark); letter-spacing: .1em; }
.card ul { margin: 6px 0 0; padding-inline-start: 18px; color: var(--muted); font-size: .95rem; }
.card li { margin-bottom: 4px; }

/* Bandeau chiffres / atouts */
.facts { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 32px; }
.fact { border-inline-start: 3px solid var(--teal); padding-inline-start: 16px; }
.fact strong { display: block; font-size: 1.6rem; color: var(--navy); line-height: 1.1; }
.fact span { color: var(--muted); font-size: .95rem; }

/* Approche (étapes) */
.steps { counter-reset: step; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { position: relative; padding: 22px 20px 20px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 12px;
}
.step h3 { font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Secteurs */
.sectors { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.sector { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.sector strong { display: block; color: var(--navy); margin-bottom: 4px; }
.sector span { color: var(--muted); font-size: .93rem; }

/* Références */
.refs { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.ref { padding: 18px 20px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); font-size: .95rem; }
.ref strong { display: block; color: var(--navy); }
.ref span { color: var(--muted); }

/* À propos */
.about { display: grid; gap: 40px; grid-template-columns: 1.2fr .8fr; align-items: start; }
.about aside { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.about aside h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; color: var(--teal-dark); }
[dir="rtl"] .about aside h3 { letter-spacing: 0; }
.about aside ul { margin: 0; padding-inline-start: 18px; }
.about aside li { margin-bottom: 6px; }

/* Contact */
.contact { background: var(--navy); color: #fff; }
.contact h2, .contact h3 { color: #fff; }
.contact .grid { grid-template-columns: 1.1fr .9fr; }
.contact p { color: rgba(255,255,255,.85); }
.contact a { color: #fff; }
.contact-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); padding: 26px; }
.contact-card dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 10px 18px; }
.contact-card dt { color: rgba(255,255,255,.6); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
[dir="rtl"] .contact-card dt { letter-spacing: 0; }
.contact-card dd { margin: 0; }
.contact .btn-primary { margin-top: 18px; }

/* Pied de page */
.site-footer { padding-block: 28px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

/* Pages intérieures (mentions légales) */
.page { padding-block: 56px; }
.page .wrap { max-width: 800px; }
.page h2 { font-size: 1.3rem; margin-top: 2em; }
.placeholder { background: #fff4d6; border: 1px dashed var(--amber); padding: 0 .3em; border-radius: 3px; font-weight: 600; }

/* Responsive */
@media (max-width: 860px) {
  .about, .contact .grid { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-block; }
  .menu-toggle { background: none; border: 1px solid var(--line); border-radius: 4px; padding: 6px 10px; font: inherit; cursor: pointer; }
  .nav { display: none; width: 100%; padding-bottom: 14px; }
  .nav-check:checked ~ .nav { display: flex; }
  .site-header .wrap { flex-wrap: wrap; }
  .lang { margin-inline-start: 0; padding-inline-start: 0; border: 0; }
}
.nav-check { position: absolute; opacity: 0; pointer-events: none; }
@media (min-width: 861px) { .menu-toggle { display: none; } }

@media print {
  .site-header, .hero .actions, .contact .btn, .skip { display: none; }
  .hero { background: #fff; color: #000; }
  .hero h1 { color: #000; }
}

/* Retouches après captures (2026-09-13) */
.section-head.spaced { margin-top: 72px; }
.contact .placeholder { color: var(--navy); }

/* Logo image dans l'en-tête et le pied de page */
.brand img { width: 44px; height: auto; }
.brand span { letter-spacing: .06em; }
.site-footer img { height: 22px; width: auto; opacity: .8; }
.site-footer .wrap { align-items: center; }

/* Page Fondateur */
.profile { background: var(--paper); border-bottom: 1px solid var(--line); padding-block: clamp(48px, 7vw, 80px); }
.profile .wrap { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: center; }
.profile img { width: 220px; height: 220px; border-radius: 50%; object-fit: cover; border: 4px solid var(--white); box-shadow: 0 6px 24px rgba(0,0,0,.12); }
.profile h1 { margin-bottom: .2em; }
.profile .role { font-size: 1.15rem; color: var(--teal-dark); font-weight: 600; margin-bottom: .8em; }
.profile .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.timeline { list-style: none; margin: 0; padding: 0; border-inline-start: 2px solid var(--line); }
.timeline li { position: relative; padding-inline-start: 28px; padding-bottom: 32px; }
.timeline li::before { content: ""; position: absolute; inset-inline-start: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); border: 2px solid var(--white); }
.timeline .when { display: block; font-size: .85rem; font-weight: 700; color: var(--teal-dark); letter-spacing: .06em; text-transform: uppercase; }
[dir="rtl"] .timeline .when { letter-spacing: 0; }
.timeline h3 { margin: .2em 0 .1em; }
.timeline .where { color: var(--muted); margin-bottom: .5em; }
.timeline ul { margin: 0; padding-inline-start: 18px; color: var(--ink); font-size: .97rem; }
.timeline li li { padding: 0; margin-bottom: 4px; }
.timeline li li::before { content: none; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tags li { background: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: .92rem; }
.certs { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cert { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.cert strong { display: block; color: var(--navy); }
.cert span { color: var(--muted); font-size: .92rem; }
@media (max-width: 720px) { .profile .wrap { grid-template-columns: 1fr; text-align: center; } .profile img { margin: 0 auto; } .profile .actions { justify-content: center; } }