*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #F7F6F2; --bg-card: #FFFFFF; --border: #E5E3DC; --border-2: #C8C5BB;
  --text: #1A1917; --text-2: #6B6860; --text-3: #A8A49B;
  --accent: #3C3489; --pink: #72243E; --pink-bg: #FBEAF0; --pink-bd: #F4C0D1;
  --r: 9px; --r-sm: 5px; --r-lg: 14px; --max: 900px;
}
html { font-size: 15px; scroll-behavior: smooth; }
body { font-family: system-ui,-apple-system,'Segoe UI',sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

/* ── HEADER ── */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg-card); padding: 0 24px; height: 52px; display: flex; align-items: center; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: var(--max); margin: 0 auto; }
.brand-link { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); font-weight: 700; font-size: .92rem; letter-spacing: -.02em; }
.logo-mark { width: 15px; height: 15px; border-radius: 50%; border: 2.5px solid var(--accent); flex-shrink: 0; }
.header-nav { display: flex; align-items: center; gap: 4px; }
.nav-link { font-size: .82rem; color: var(--text-2); text-decoration: none; padding: 5px 10px; border-radius: var(--r-sm); transition: all .1s; }
.nav-link:hover { color: var(--text); background: var(--bg); }
.nav-link--support { color: var(--pink); background: var(--pink-bg); border: 1px solid var(--pink-bd); }
.nav-link--support:hover { background: var(--pink-bd); }

/* ── HERO ── */
.hero { padding: 72px 24px 60px; text-align: center; background: var(--bg-card); border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 640px; margin: 0 auto; }
.hero-label { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); background: #EEEDFE; border: 1px solid #CECBF6; border-radius: 20px; padding: 4px 14px; margin-bottom: 22px; }
h1 { font-size: 2.2rem; font-weight: 800; line-height: 1.15; letter-spacing: -.04em; color: var(--text); margin-bottom: 20px; }
.hero-sub { font-size: .96rem; color: var(--text-2); line-height: 1.75; }

/* ── SECTIONS ── */
.section { padding: 64px 24px; }
.section--alt { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-inner--narrow { max-width: 720px; }
.section-title { font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 32px; color: var(--text); }
h2 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; color: var(--text); margin-bottom: 18px; }

/* ── TWO COL ── */
.two-col { display: grid; grid-template-columns: 1fr 220px; gap: 48px; align-items: start; }
.col-text p { font-size: .92rem; color: var(--text-2); line-height: 1.75; margin-bottom: 14px; }
.col-text p:last-child { margin-bottom: 0; }
.col-aside { display: flex; flex-direction: column; gap: 10px; }
.aside-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 18px 20px; }
.aside-card--accent { background: #EEEDFE; border-color: #CECBF6; }
.aside-num { font-size: 2rem; font-weight: 800; letter-spacing: -.04em; color: var(--text); line-height: 1; margin-bottom: 4px; }
.aside-label { font-size: .78rem; color: var(--text-2); }

/* ── STEPS ── */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 20px; }
.step-num { font-size: .7rem; font-weight: 700; letter-spacing: .1em; color: var(--text-3); margin-bottom: 12px; }
.step h3 { font-size: .92rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.step p { font-size: .82rem; color: var(--text-2); line-height: 1.65; }

/* ── ENGAGEMENTS ── */
.engage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.engage-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 20px; }
.engage-icon { width: 38px; height: 38px; border-radius: var(--r-sm); background: var(--bg); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 14px; }
.engage-item h3 { font-size: .9rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.engage-item p { font-size: .82rem; color: var(--text-2); line-height: 1.65; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 20px; display: flex; flex-direction: column; gap: 10px; }
.contact-item h3 { font-size: .9rem; font-weight: 600; color: var(--text); }
.contact-item p { font-size: .82rem; color: var(--text-2); line-height: 1.6; flex: 1; }
.btn-contact { display: inline-flex; align-items: center; border: 1px solid var(--border-2); border-radius: var(--r-sm); padding: 7px 13px; font-size: .8rem; font-weight: 500; color: var(--text-2); text-decoration: none; transition: all .1s; }
.btn-contact:hover { border-color: var(--accent); color: var(--accent); }

/* ── CLOSING ── */
.closing { padding: 72px 24px; text-align: center; }
.closing-inner { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.closing-text { font-size: 1.05rem; color: var(--text-2); font-style: italic; line-height: 1.75; max-width: 520px; }
.closing-links { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; }
.btn-primary { background: var(--text); color: #fff; border: none; border-radius: var(--r-sm); padding: 10px 20px; font-size: .88rem; font-weight: 500; text-decoration: none; transition: opacity .15s; }
.btn-primary:hover { opacity: .82; }
.btn-secondary { background: none; border: 1px solid var(--border-2); border-radius: var(--r-sm); padding: 10px 20px; font-size: .88rem; font-weight: 500; color: var(--text-2); text-decoration: none; transition: all .1s; }
.btn-secondary:hover { border-color: var(--text); color: var(--text); }

/* ── FOOTER ── */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-card); padding: 18px 24px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; max-width: var(--max); margin: 0 auto; }
.footer-brand { font-size: .85rem; font-weight: 700; letter-spacing: -.02em; color: var(--text); }
.footer-nav { display: flex; gap: 2px; }
.footer-nav a { font-size: .78rem; color: var(--text-3); text-decoration: none; padding: 4px 8px; border-radius: var(--r-sm); transition: color .1s; }
.footer-nav a:hover { color: var(--text); }
.footer-note { font-size: .74rem; color: var(--text-3); }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  h1 { font-size: 1.6rem; }
  .two-col { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .engage-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .header-nav .nav-link:not(.nav-link--support) { display: none; }
}
@media (max-width: 500px) {
  .steps-grid, .engage-grid { grid-template-columns: 1fr; }
}

/* ── FOOTER URGENCE ── */
.site-footer { border-top: 1px solid var(--border); }
.footer-urgence { display: flex; align-items: center; gap: 7px; padding: 10px 20px; background: #FFF8F0; border-bottom: 1px solid #FFE4C4; font-size: .78rem; color: #7A4500; flex-wrap: wrap; }
.footer-urgence svg { flex-shrink: 0; stroke: #C47A00; }
.footer-urgence a { color: #7A4500; }
.footer-urgence a:hover { text-decoration: underline; }