/* Olivier Pire — landing. Static, no frameworks, system fonts. */
/* Light theme — fond blanc, accents charte V3 (rouge/jade/or). */
:root {
  --bg: #FDFCF9;          /* fond principal blanc cassé doux */
  --bg-soft: #F5F2EB;     /* fond alternatif blanc cassé */
  --card: #FFFFFF;        /* cartes blanches */
  --ink: #1A2438;         /* texte principal navy foncé */
  --muted: #5E6B82;       /* texte secondaire slate */
  --accent: #DE2910;      /* rouge Cité — action */
  --accent-dark: #B01F0A; /* rouge foncé hover */
  --jade: #1FA97C;        /* jade — croissance/culture */
  --gold: #C9A227;        /* or — accent rare */
  --line: #E4E0D6;        /* bordure claire */
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: rgba(253,252,249,.92); backdrop-filter: blur(6px); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: .3px; color: var(--ink); text-decoration: none; }
.brand span { color: var(--gold); }
.nav { display: flex; align-items: center; gap: 14px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--ink); }

/* Buttons */
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 15px; text-decoration: none; transition: transform .12s ease, background .12s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border: 1px solid var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { color: var(--muted); }
.btn-ghost:hover { color: var(--ink); }
.btn-block { width: 100%; text-align: center; }

/* Hero */
.hero { padding: 88px 0 64px; background: radial-gradient(1000px 420px at 20% -10%, rgba(222,41,16,.06), transparent 60%), radial-gradient(800px 380px at 90% 0%, rgba(201,162,39,.07), transparent 55%); }
.hero-inner { display: grid; grid-template-columns: 1.4fr .6fr; gap: 48px; align-items: center; }
.hero-main { min-width: 0; }
.hero-editorial { border-left: 3px solid var(--gold); padding-left: 22px; }
.hero-editorial p { font-size: 17px; line-height: 1.5; color: var(--muted); font-style: italic; max-width: 30ch; }
.eyebrow { text-transform: uppercase; letter-spacing: 2px; font-size: 12.5px; color: var(--jade); font-weight: 700; margin-bottom: 14px; }
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.08; font-weight: 800; letter-spacing: -1px; max-width: 15ch; color: var(--ink); }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero .lead { margin: 20px 0 30px; font-size: 18px; color: var(--muted); max-width: 56ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Cards */
.cards { padding: 56px 0; }
.cards-title { font-size: 30px; margin-bottom: 26px; color: var(--ink); letter-spacing: -.5px; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-decoration: none; display: block; transition: transform .12s ease, border-color .12s ease; }
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card h3 { font-size: 17px; margin-bottom: 8px; color: var(--ink); }
.card p { color: var(--muted); font-size: 14.5px; }
.card-more { display: inline-block; margin-top: 14px; font-size: 13.5px; font-weight: 700; color: var(--accent); }

/* Magnet */
.magnet { padding: 72px 0; background: var(--bg-soft); border-block: 1px solid var(--line); }
.magnet-inner { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
.magnet h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.15; letter-spacing: -.5px; margin-bottom: 14px; color: var(--ink); }
.magnet-text p { color: var(--muted); margin-bottom: 16px; }
.checklist { list-style: none; margin-top: 8px; }
.checklist li { padding: 7px 0 7px 28px; position: relative; color: var(--ink); font-size: 15px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--jade); font-weight: 800; }
.magnet-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.magnet-form h3 { margin-bottom: 16px; color: var(--ink); }
.magnet-form label { display: block; font-size: 13.5px; color: var(--muted); margin: 12px 0 6px; }
.magnet-form .opt { font-style: italic; opacity: .75; }
.magnet-form input { width: 100%; background: #FFFFFF; border: 1px solid var(--line); color: var(--ink); border-radius: 10px; padding: 12px 14px; font-size: 15px; }
.magnet-form input:focus { outline: none; border-color: var(--jade); }
.magnet-form .btn { margin-top: 18px; }
.fineprint { font-size: 12px; color: var(--muted); margin-top: 12px; }

/* About */
.about { padding: 72px 0; }
.about-inner { display: grid; grid-template-columns: auto 1fr; gap: 44px; align-items: center; }
.about-photo img { display: block; width: 360px; height: 360px; border-radius: 50%; }
.about-text { min-width: 0; }
.about h2 { font-size: 28px; margin-bottom: 14px; color: var(--ink); }
.about .mission { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 16px; max-width: 40ch; line-height: 1.4; }
.about p { color: var(--muted); max-width: 56ch; }
.about-links { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; margin-top: 20px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 6px; }
.footer-inner p { font-size: 13px; color: var(--muted); }
.footer-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.footer-link:hover { text-decoration: underline; }
.disclaimer { opacity: .7; }

/* Responsive */
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .magnet-inner, .about-inner { grid-template-columns: 1fr; }
  .about-photo img { width: 220px; height: 220px; }
  .hero { padding: 64px 0 48px; }
}