/* ── Fils de Projet — base : tokens, layout, nav, hero, sections, footer ── */
:root {
  --accent: #00c853;
  --accent-hover: #00e060;
  --accent-dim: rgba(0, 200, 83, .08);
  --accent-border: rgba(0, 200, 83, .22);
  --bg: #0a0a0a;
  --surface: #111;
  --surface-2: #161616;
  --surface-3: #1c1c1c;
  --border: rgba(255, 255, 255, .07);
  --border-strong: rgba(255, 255, 255, .13);
  --text: #e8e8e8;
  --text-muted: #8a8a8a;
  --text-dim: #5a5a5a;
  --white: #fff;
  --radius: 10px;
  --radius-sm: 6px;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "DM Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--text); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: background .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-border); background: var(--accent-dim); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(10, 10, 10, .9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; color: var(--white); letter-spacing: -.01em; }
.logo-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: #111; border: 1px solid var(--border-strong); color: var(--accent); font: 700 13px var(--mono); }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a { display: block; padding: 8px 12px; border-radius: var(--radius-sm); font-size: 14px; color: var(--text-muted); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--white); background: var(--surface-2); }
.nav-links .btn { margin-left: 8px; padding: 9px 16px; color: #000; }
.nav-links .btn:hover { color: #000; background: var(--accent-hover); }
.nav-toggle { display: none; }
.nav-toggle summary { list-style: none; cursor: pointer; padding: 8px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font: 500 13px var(--mono); }
.nav-toggle summary::-webkit-details-marker { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; position: relative; }
  .nav-toggle[open] .nav-links { display: flex; flex-direction: column; align-items: stretch; position: absolute; right: 0; top: 48px; width: min(280px, calc(100vw - 32px)); background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 8px; }
  .nav-toggle[open] .nav-links .btn { margin: 6px 0 0; justify-content: center; }
}

/* Breadcrumb */
.crumbs { padding-top: 28px; font-size: 13px; color: var(--text-dim); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.crumbs li + li::before { content: "/"; margin-right: 6px; }
.crumbs a { color: var(--text-muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 72px 0 64px; background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0, 200, 83, .07), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero-grid.solo { grid-template-columns: minmax(0, 860px); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px; padding: 5px 12px; border-radius: 100px; font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); background: var(--accent-dim); border: 1px solid var(--accent-border); }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.1; letter-spacing: -.035em; font-weight: 650; color: var(--white); margin-bottom: 22px; text-wrap: balance; }
h1 em, h2 em { font-style: normal; color: var(--accent); }
.lead { font-size: clamp(17px, 1.6vw, 19px); color: var(--text-muted); max-width: 640px; margin-bottom: 32px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 56px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--bg); padding: 20px; }
.stat strong { display: block; font: 600 26px var(--font); color: var(--white); letter-spacing: -.02em; }
.stat span { font-size: 13px; color: var(--text-muted); }

@media (max-width: 900px) {
  .hero { padding: 48px 0; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Sections */
.section { padding: 88px 0; border-top: 1px solid var(--border); }
.section-alt { background: var(--surface); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.label { display: block; margin-bottom: 12px; font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h2 { font-size: clamp(26px, 3.4vw, 40px); line-height: 1.15; letter-spacing: -.03em; font-weight: 650; color: var(--white); margin-bottom: 14px; text-wrap: balance; }
h3 { font-size: 17px; line-height: 1.35; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.section-head p { color: var(--text-muted); font-size: 17px; }
.prose p + p { margin-top: 14px; }
.prose a, .link { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-border); }
@media (max-width: 700px) { .section { padding: 64px 0; } }

/* CTA */
.cta { padding: 104px 0; text-align: center; border-top: 1px solid var(--border); background: radial-gradient(ellipse 60% 60% at 50% 100%, rgba(0, 200, 83, .08), transparent 70%); }
.cta h2 { max-width: 760px; margin: 0 auto 18px; }
.cta p { color: var(--text-muted); max-width: 560px; margin: 0 auto 32px; }
.cta .btn-row { justify-content: center; }
.cta small { display: block; margin-top: 20px; font: 12px var(--mono); color: var(--text-dim); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 64px 0 32px; font-size: 14px; color: var(--text-muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-title { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text); margin-bottom: 14px; }
.footer ul { list-style: none; display: grid; gap: 8px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer-cities { display: flex; flex-wrap: wrap; gap: 6px 14px; padding-top: 28px; border-top: 1px solid var(--border); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 32px; font-size: 13px; color: var(--text-dim); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }