/* =====================================================
   EDGE — Design System partagé
   ===================================================== */

:root {
  /* ---- Couleurs Atlantias officielles ---- */
  --atlantias-gold: #B88E3F;
  --atlantias-gold-light: #D6B571;
  --atlantias-gold-dark: #8E6A27;
  --atlantias-ivory: #F4F1EA;
  --atlantias-stone: #B9AF97;

  --bg: #f5f1ea;
  --bg-alt: #ffffff;
  --bg-dark: #0e1a2b;
  --bg-darker: #08111d;
  --ink: #0e1a2b;
  --ink-soft: #4a5568;
  --ink-mute: #8b95a7;
  --accent: var(--atlantias-gold);
  --accent-dark: var(--atlantias-gold-dark);
  --accent-light: var(--atlantias-gold-light);
  --line: rgba(14, 26, 43, 0.12);
  --line-soft: rgba(14, 26, 43, 0.06);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max: 1240px;
  --radius: 2px;
}

/* ---------- VARIANTES PAR ESPACE ---------- */
/* L'or Atlantias est la signature commune ; B2B et B2C se distinguent par la nuance et le contenu, pas par la couleur. */
.theme-b2b { --accent: var(--atlantias-gold); --accent-dark: var(--atlantias-gold-dark); --accent-light: var(--atlantias-gold-light); }
.theme-b2c { --accent: var(--atlantias-gold-light); --accent-dark: var(--atlantias-gold); --accent-light: #E5C994; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: white; }
a { color: inherit; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 234, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.logo {
  font-family: var(--serif); font-size: 26px; font-weight: 600;
  letter-spacing: 0.08em; color: var(--ink); text-decoration: none;
  display: flex; align-items: center; gap: 10px;
  line-height: 1;
}
.logo-emblem {
  width: 38px; height: 38px; flex-shrink: 0;
  display: block;
}
.logo-text {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
}
.logo-edge {
  font-family: var(--serif); font-size: 24px; font-weight: 600;
  letter-spacing: 0.1em; line-height: 1; color: var(--ink);
}
.logo-by {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--ink-mute); font-weight: 500;
}
.logo-by strong {
  color: var(--accent-dark); font-weight: 600;
}
.logo span.dot { color: var(--accent); }
.logo span.tag {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-dark); font-weight: 600;
  border-left: 1px solid var(--line); padding-left: 12px; margin-left: 6px;
  align-self: center;
}
.nav-links {
  display: flex; gap: 28px; list-style: none; flex: 1; justify-content: center;
}
.nav-links a {
  color: var(--ink-soft); text-decoration: none;
  font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase;
  font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-switch { display: flex; gap: 4px; align-items: center; }
.nav-switch a {
  padding: 8px 16px; text-decoration: none; font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  color: var(--ink-soft); border: 1px solid var(--line);
}
.nav-switch a.current {
  background: var(--ink); color: white; border-color: var(--ink);
}
.nav-cta {
  background: var(--ink); color: white;
  padding: 10px 22px; text-decoration: none;
  font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase;
  font-weight: 500; border-radius: var(--radius);
  transition: background 0.2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--accent); }

/* ---------- LAYOUT GENERAL ---------- */
section { padding: 100px 0; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

.section-eyebrow {
  font-size: 12px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section-eyebrow::before {
  content: ''; width: 32px; height: 1px; background: var(--accent);
}
.section-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.15; margin-bottom: 24px;
  max-width: 800px; letter-spacing: -0.01em;
}
.section-title em { font-style: italic; color: var(--accent); }
.section-intro {
  font-size: 18px; color: var(--ink-soft);
  max-width: 720px; line-height: 1.6; margin-bottom: 64px;
}

/* ---------- HERO ---------- */
.hero {
  max-width: var(--max); margin: 0 auto; padding: 120px 32px 100px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; align-items: center;
}
.hero-eyebrow {
  font-size: 12px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 32px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 1.05; letter-spacing: -0.01em; margin-bottom: 32px;
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero p.lead {
  font-size: 19px; color: var(--ink-soft); max-width: 540px;
  margin-bottom: 40px; line-height: 1.55;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 32px;
  text-decoration: none; font-size: 14px; font-weight: 500;
  letter-spacing: 0.04em; transition: all 0.2s;
  border-radius: var(--radius); cursor: pointer; border: 0;
}
.btn-primary { background: var(--ink); color: white; }
.btn-primary:hover { background: var(--accent); }
.btn-secondary { color: var(--ink); border: 1px solid var(--ink); background: transparent; }
.btn-secondary:hover { background: var(--ink); color: white; }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--accent-dark); }

.hero-visual {
  position: relative; aspect-ratio: 4/5;
  background: var(--bg-dark);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; align-items: flex-end; padding: 40px;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(176, 128, 71, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(176, 128, 71, 0.15) 0%, transparent 60%),
    linear-gradient(135deg, #0e1a2b 0%, #1a2b42 100%);
}
.hero-visual::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-visual-text {
  position: relative; color: white; font-family: var(--serif);
  font-size: 22px; line-height: 1.4; font-style: italic;
  border-left: 2px solid var(--accent); padding-left: 24px;
}
.hero-visual-text small {
  display: block; font-family: var(--sans); font-style: normal;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-top: 16px; font-weight: 500;
}

/* ---------- MANIFESTE / VISION ---------- */
.manifeste { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.manifeste-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.manifeste-quote {
  font-family: var(--serif); font-size: 32px; line-height: 1.35;
  font-weight: 400; font-style: italic; color: var(--ink);
}
.manifeste-quote::before {
  content: '«'; font-size: 64px; color: var(--accent);
  line-height: 0.5; margin-right: 8px; vertical-align: -8px;
}
.manifeste-quote::after { content: '.»'; color: var(--accent); }
.manifeste-body p { margin-bottom: 20px; color: var(--ink-soft); font-size: 16px; }
.manifeste-body p:first-child { color: var(--ink); font-weight: 500; font-size: 17px; }

/* ---------- GRILLE 6 PILIERS ---------- */
.piliers-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.pilier {
  background: var(--bg-alt); padding: 40px 32px; transition: background 0.25s;
}
.pilier:hover { background: var(--bg); }
.pilier-num {
  font-family: var(--serif); font-size: 14px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.15em;
  display: block; margin-bottom: 16px;
}
.pilier h4 {
  font-family: var(--serif); font-size: 24px; font-weight: 500;
  line-height: 1.25; margin-bottom: 16px;
}
.pilier p {
  color: var(--ink-soft); font-size: 14px; margin-bottom: 16px;
  line-height: 1.55;
}
.pilier ul { list-style: none; }
.pilier ul li {
  padding: 8px 0; font-size: 13px; color: var(--ink);
  border-top: 1px solid var(--line-soft);
  display: flex; gap: 10px; align-items: flex-start;
}
.pilier ul li::before { content: '—'; color: var(--accent); font-weight: 600; }

/* ---------- 6 PRINCIPES (dark) ---------- */
.principes { background: var(--bg-dark); color: var(--bg); }
.principes .section-eyebrow { color: var(--accent); }
.principes .section-eyebrow::before { background: var(--accent); }
.principes .section-title { color: white; }
.principes .section-intro { color: rgba(255,255,255,0.7); }
.principes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.principe { padding: 28px 0; border-top: 1px solid rgba(255,255,255,0.15); }
.principe-num {
  font-family: var(--serif); font-size: 48px; font-weight: 400;
  color: var(--accent); line-height: 1; margin-bottom: 16px; font-style: italic;
}
.principe h4 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin-bottom: 12px; color: white; }
.principe p { color: rgba(255,255,255,0.65); font-size: 14px; line-height: 1.6; }

/* ---------- 3 AXES TRANSVERSES ---------- */
.axes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.axe { background: var(--bg-alt); padding: 48px 36px; }
.axe.featured { background: var(--bg-dark); color: white; }
.axe.featured h4 { color: white; }
.axe.featured p { color: rgba(255,255,255,0.75); }
.axe.featured .axe-letter { color: var(--accent); }
.axe.featured .axe-tag { color: var(--accent); border-color: var(--accent); }
.axe-letter {
  font-family: var(--serif); font-size: 72px; font-weight: 400;
  line-height: 1; color: var(--accent); font-style: italic;
  margin-bottom: 24px; display: block;
}
.axe h4 { font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.2; margin-bottom: 16px; }
.axe p { color: var(--ink-soft); font-size: 15px; line-height: 1.65; }
.axe-tag {
  display: inline-block; font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--accent); padding: 4px 10px;
  margin-top: 20px; font-weight: 600;
}

/* ---------- THÈSE IA (dark) ---------- */
.these {
  background: linear-gradient(135deg, #0e1a2b 0%, #1a2b42 100%);
  color: white; position: relative; overflow: hidden;
}
.these::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.these .container { position: relative; }
.these-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.these h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(34px, 4vw, 52px); line-height: 1.15; color: white; margin-bottom: 24px; }
.these h2 em { color: var(--accent); font-style: italic; }
.these-eyebrow { color: var(--accent); }
.these-eyebrow::before { background: var(--accent); }
.these-lead { font-size: 18px; color: rgba(255,255,255,0.8); line-height: 1.6; margin-bottom: 24px; }
.these-points { list-style: none; }
.these-points li {
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.1);
  display: grid; grid-template-columns: 32px 1fr; gap: 20px;
  font-size: 15px; color: rgba(255,255,255,0.85); line-height: 1.6;
}
.these-points li:last-child { border-bottom: 1px solid rgba(255,255,255,0.1); }
.these-points li > strong:first-child {
  color: var(--accent); font-family: var(--serif); font-size: 22px;
  font-weight: 500; font-style: italic;
}
.these-points li .point-label {
  display: block; color: white; font-family: var(--sans); font-size: 13px;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; font-weight: 600;
}

/* ---------- ROADMAP ---------- */
.roadmap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.phase {
  padding: 32px 24px; border-top: 2px solid var(--accent);
  background: var(--bg-alt); border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line); border-left: 1px solid var(--line);
}
.phase-meta {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 8px;
}
.phase h4 { font-family: var(--serif); font-size: 22px; font-weight: 500; line-height: 1.2; margin-bottom: 16px; }
.phase p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }

/* ---------- CONTACT ---------- */
.contact { background: var(--bg-dark); color: white; padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center; }
.contact h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(36px, 4.5vw, 56px); line-height: 1.1; color: white; margin-bottom: 24px; }
.contact h2 em { font-style: italic; color: var(--accent); }
.contact p { color: rgba(255,255,255,0.75); font-size: 17px; line-height: 1.6; }
.contact-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  padding: 40px;
}
.contact-card h3 { font-family: var(--serif); font-size: 24px; color: white; margin-bottom: 24px; font-weight: 500; }
.contact-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 14px; gap: 16px;
}
.contact-row:first-of-type { border-top: 0; }
.contact-row span:first-child { color: rgba(255,255,255,0.55); letter-spacing: 0.05em; text-transform: uppercase; font-size: 11px; font-weight: 600; }
.contact-row span:last-child { color: white; }
.contact-cta {
  display: inline-block; background: var(--accent); color: white;
  padding: 16px 32px; text-decoration: none; font-size: 14px;
  letter-spacing: 0.04em; font-weight: 500; margin-top: 24px;
  width: 100%; text-align: center; transition: background 0.2s;
  border-radius: var(--radius);
}
.contact-cta:hover { background: var(--accent-dark); }

/* ---------- BLOC ATLANTIAS (maison-mère) ---------- */
.atlantias {
  background: var(--bg-dark); color: white; position: relative; overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.atlantias::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(184, 142, 63, 0.08) 0%, transparent 60%);
}
.atlantias .container { position: relative; }
.atlantias-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: center;
}
.atlantias-emblem {
  width: 100%; max-width: 320px; aspect-ratio: 1;
  margin: 0 auto;
}
.atlantias-emblem svg, .atlantias-emblem img { width: 100%; height: 100%; }
.atlantias h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(34px, 4vw, 52px); line-height: 1.15;
  color: white; margin-bottom: 24px;
}
.atlantias h2 em { color: var(--accent-light); font-style: italic; }
.atlantias .section-eyebrow { color: var(--accent-light); }
.atlantias .section-eyebrow::before { background: var(--accent-light); }
.atlantias p { color: rgba(255,255,255,0.78); font-size: 17px; line-height: 1.65; margin-bottom: 20px; }
.atlantias-tag {
  display: inline-block; font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent-light);
  border: 1px solid var(--accent-light); padding: 6px 14px;
  margin-top: 16px; font-weight: 600;
}
@media (max-width: 960px) {
  .atlantias-grid { grid-template-columns: 1fr; gap: 48px; }
  .atlantias-emblem { max-width: 220px; }
}

/* ---------- FOOTER ---------- */
footer { background: var(--bg-darker); color: rgba(255,255,255,0.6); padding: 56px 0 32px; font-size: 13px; }
.footer-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
}
.footer-top {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap; gap: 24px;
}
.footer-brand {
  display: flex; align-items: center; gap: 14px; color: white; text-decoration: none;
}
.footer-brand img { width: 44px; height: 44px; }
.footer-brand-text { display: flex; flex-direction: column; gap: 2px; line-height: 1.2; }
.footer-brand-edge {
  font-family: var(--serif); font-size: 22px; font-weight: 600; color: white;
  letter-spacing: 0.08em;
}
.footer-brand-by {
  font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent-light); font-weight: 500;
}
.footer-url {
  font-family: var(--serif); font-style: italic;
  color: rgba(255,255,255,0.85); font-size: 15px;
}
.footer-bottom {
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px; font-size: 12px;
}
.footer-bottom div:first-child { max-width: 600px; line-height: 1.6; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; margin-left: 24px; }
.footer-links a:hover { color: var(--accent-light); }
@media (max-width: 640px) {
  .footer-links a { margin-left: 0; margin-right: 18px; display: inline-block; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .nav-inner { flex-wrap: wrap; gap: 16px; padding: 14px 24px; }
  .nav-links { order: 3; flex-basis: 100%; justify-content: flex-start; gap: 20px; padding-top: 8px; border-top: 1px solid var(--line-soft); }
  .hero { grid-template-columns: 1fr; gap: 60px; padding: 80px 24px 60px; }
  .hero-visual { aspect-ratio: 16/10; }
  .manifeste-grid, .these-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .piliers-grid, .principes-grid, .axes-grid, .roadmap-grid { grid-template-columns: 1fr; }
  .container { padding: 0 24px; }
  section { padding: 72px 0; }
}
@media (max-width: 640px) {
  .nav-inner { padding: 12px 18px; }
  .logo-emblem { width: 32px; height: 32px; }
  .logo-edge { font-size: 20px; }
  .logo-by { font-size: 8px; letter-spacing: 0.2em; }
  .logo span.tag { font-size: 10px; padding-left: 8px; margin-left: 4px; }
  .hero { padding: 60px 20px 40px; }
  .hero h1 { font-size: 40px; }
  .container { padding: 0 20px; }
  .manifeste-quote { font-size: 24px; }
  .pilier, .axe { padding: 32px 24px; }
}

/* ---------- COMPOSANT : DEUX PORTES ---------- */
.portes { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.portes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.porte {
  position: relative; overflow: hidden;
  background: var(--bg-dark); color: white;
  padding: 56px 48px 48px;
  text-decoration: none; display: block;
  transition: transform 0.3s; min-height: 480px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.porte:hover { transform: translateY(-4px); }
.porte::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}
.porte::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--accent);
}
.porte.b2c::after { background: #c45a3a; }
.porte > * { position: relative; }
.porte-tag {
  font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 24px;
}
.porte.b2c .porte-tag { color: #e08163; }
.porte h3 {
  font-family: var(--serif); font-size: 38px; font-weight: 500;
  margin-bottom: 20px; line-height: 1.15;
}
.porte p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 32px; line-height: 1.55; }
.porte-list { list-style: none; margin-bottom: 32px; }
.porte-list li {
  padding: 10px 0; font-size: 14px; color: rgba(255,255,255,0.85);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; gap: 10px;
}
.porte-list li::before { content: '→'; color: var(--accent); }
.porte.b2c .porte-list li::before { color: #e08163; }
.porte-cta {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14px; letter-spacing: 0.05em; text-transform: uppercase;
  font-weight: 600; color: white; border-bottom: 1px solid var(--accent);
  padding-bottom: 4px; align-self: flex-start;
}
.porte.b2c .porte-cta { border-color: #e08163; }

/* ---------- PROCESS B2B (5 étapes) ---------- */
.process-list { list-style: none; counter-reset: step; }
.process-list li {
  display: grid; grid-template-columns: 80px 1fr; gap: 24px;
  padding: 28px 0; border-top: 1px solid var(--line); align-items: start;
}
.process-list li:last-child { border-bottom: 1px solid var(--line); }
.process-list li::before {
  counter-increment: step; content: '0' counter(step);
  font-family: var(--serif); font-size: 36px; color: var(--accent);
  font-style: italic; line-height: 1;
}
.process-list h5 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin-bottom: 8px; }
.process-list p { color: var(--ink-soft); font-size: 15px; line-height: 1.6; }

/* ---------- PARCOURS B2C (niveaux) ---------- */
.niveaux { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.niveau { background: var(--bg-alt); padding: 32px 24px; }
.niveau-num {
  font-family: var(--serif); font-size: 14px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.2em;
  display: block; margin-bottom: 12px;
}
.niveau h5 { font-family: var(--serif); font-size: 20px; font-weight: 500; line-height: 1.2; margin-bottom: 12px; }
.niveau p { font-size: 13px; color: var(--ink-soft); line-height: 1.55; }
@media (max-width: 960px) { .niveaux { grid-template-columns: 1fr; } }

/* ---------- NEWSLETTER ---------- */
.newsletter-form {
  display: flex; gap: 8px; max-width: 480px; margin-top: 24px;
}
.newsletter-form input {
  flex: 1; padding: 16px 20px; border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05); color: white; font-family: var(--sans);
  font-size: 14px; border-radius: var(--radius);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form button {
  padding: 16px 24px; background: var(--accent); color: white;
  border: 0; font-family: var(--sans); font-size: 13px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; cursor: pointer;
  border-radius: var(--radius); transition: background 0.2s;
}
.newsletter-form button:hover { background: var(--accent-dark); }