/* ============================================================
   ONE ACE BRIDGE — Design System v1.0
   Préfixe : oab-
   Référence : PLAYBOOK §2 (palette, typo, animations)
   ============================================================ */

/* ---- 1. Variables ---- */
:root {
  --oab-bg: #fafaf7;
  --oab-ink: #0a0a0a;
  --oab-mute: #8a857e;
  --oab-accent: #b68d62;
  --oab-accent-soft: rgba(182, 141, 98, 0.12);
  --oab-blue: #7b89a1;
  --oab-blue-soft: rgba(123, 137, 161, 0.10);
  --oab-blue-text: #5a6779;
  --oab-line: rgba(10, 10, 10, 0.08);
  --oab-line-strong: rgba(10, 10, 10, 0.16);
  --oab-dark: #0a0a0a;
  --oab-dark-text: #fafaf7;
  --oab-dark-mute: #aaa49a;
  --oab-dark-line: rgba(250, 250, 247, 0.12);
  --oab-overlay-light: rgba(250, 250, 247, 0.72);
  --oab-overlay-dark: rgba(10, 10, 10, 0.42);
  --oab-max: 1320px;
  --oab-pad-x: 32px;
  --oab-pad-x-mobile: 22px;
  --oab-track: 0.16em;
  --oab-track-loose: 0.22em;
  --oab-easing: cubic-bezier(0.22, 0.61, 0.36, 1);
  --oab-easing-soft: cubic-bezier(0.32, 0.72, 0.4, 1);
}

/* ---- 2. Reset minimal ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--oab-bg);
  color: var(--oab-ink);
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }

/* ---- 3. Typographie utilitaires ---- */
.oab-italic {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  color: var(--oab-accent);
}
.oab-caps {
  text-transform: uppercase;
  letter-spacing: var(--oab-track);
  font-weight: 500;
}
.oab-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
  margin-bottom: 20px;
}
.oab-eyebrow.oab-blue { color: var(--oab-blue-text); }
.oab-mute { color: var(--oab-mute); }

/* ---- 4. Layout ---- */
.oab-container {
  max-width: var(--oab-max);
  margin: 0 auto;
  padding: 0 var(--oab-pad-x);
}
@media (max-width: 768px) {
  .oab-container { padding: 0 var(--oab-pad-x-mobile); }
}
.oab-section {
  padding: 140px 0;
  position: relative;
}
.oab-section.oab-section-dark {
  background: var(--oab-dark);
  color: var(--oab-dark-text);
}
.oab-section-header { margin-bottom: 80px; max-width: 760px; }
.oab-section-title {
  font-size: clamp(32px, 4.5vw, 54px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.oab-section-lede {
  margin-top: 24px;
  font-size: clamp(17px, 1.4vw, 19px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--oab-mute);
  max-width: 620px;
}
.oab-section-dark .oab-section-lede { color: var(--oab-dark-mute); }

@media (max-width: 768px) {
  .oab-section { padding: 90px 0; }
  .oab-section-header { margin-bottom: 56px; }
}

/* ---- 5. Navigation ---- */
.oab-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  transition: background 0.45s var(--oab-easing-soft),
              backdrop-filter 0.45s var(--oab-easing-soft),
              padding 0.45s var(--oab-easing-soft);
}
.oab-nav.is-scrolled {
  background: var(--oab-overlay-light);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  padding: 10px 0;
  border-bottom: 1px solid var(--oab-line);
}
/* Grille tripartite : la marque à gauche, le logo au centre, le menu à droite.
   Gap modéré pour compacter le bloc droit sans coller au logo central. */
.oab-nav-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto minmax(0,1fr);
  align-items: center;
  gap: 32px;
}
.oab-nav-brand {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-dark-text);
  transition: color 0.45s var(--oab-easing-soft);
  white-space: nowrap;
}
.oab-nav.is-scrolled .oab-nav-brand { color: var(--oab-ink); }

/* Logo : 12px de haut (réduction ~50% vs 24px précédent) → ratio 4.55:1 → ~55px de large.
   Par défaut blanc (filter:invert sur source noir) ; passe en noir au scroll, sur toutes les pages. */
.oab-nav-logo {
  justify-self: center;
  display: block;
  height: 12px;
  width: auto;
  opacity: 0.95;
  transition: height 0.45s var(--oab-easing-soft), opacity 0.45s var(--oab-easing-soft);
}
.oab-nav.is-scrolled .oab-nav-logo { height: 11px; opacity: 1; }
.oab-nav-logo img {
  display: block;
  height: 100%;
  width: auto;
  filter: invert(1);
  transition: filter 0.45s var(--oab-easing-soft);
}
.oab-nav.is-scrolled .oab-nav-logo img { filter: none; }

/* Sur pages éditoriales claires (sans .oab-on-dark) : le hero non-scrolled est clair,
   donc logo doit rester noir même en haut de page. On annule l'invert par défaut. */
body:not(.oab-on-dark) .oab-nav .oab-nav-logo img { filter: none; }

.oab-nav-links {
  justify-self: end;
  display: flex;
  gap: 20px;
  align-items: center;
}
.oab-nav-links a {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--oab-dark-text);
  transition: color 0.3s var(--oab-easing), opacity 0.3s var(--oab-easing);
  opacity: 0.85;
  white-space: nowrap;
}
.oab-nav.is-scrolled .oab-nav-links a { color: var(--oab-ink); opacity: 1; }
.oab-nav-links a:hover { opacity: 1; color: var(--oab-accent); }
.oab-nav-cta {
  padding: 7px 14px;
  border: 1px solid currentColor;
  border-radius: 999px;
  transition: background 0.3s var(--oab-easing), color 0.3s var(--oab-easing), border-color 0.3s var(--oab-easing);
}
.oab-nav-cta:hover { background: var(--oab-accent); border-color: var(--oab-accent); color: var(--oab-dark-text) !important; opacity: 1; }

.oab-nav-toggle { display: none; }
@media (max-width: 900px) {
  .oab-nav-links { display: none; }
  .oab-nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    justify-self: end;
  }
  .oab-nav-toggle span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--oab-dark-text);
    transition: background 0.45s var(--oab-easing-soft), transform 0.3s var(--oab-easing), opacity 0.3s var(--oab-easing);
  }
  .oab-nav.is-scrolled .oab-nav-toggle span { background: var(--oab-ink); }
  .oab-nav.is-open .oab-nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .oab-nav.is-open .oab-nav-toggle span:nth-child(2) { opacity: 0; }
  .oab-nav.is-open .oab-nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}
.oab-nav-mobile {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--oab-bg);
  z-index: 99;
  padding: 120px var(--oab-pad-x-mobile) 60px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--oab-easing-soft);
}
.oab-nav.is-open + .oab-nav-mobile { opacity: 1; pointer-events: auto; }
.oab-nav-mobile ul { display: flex; flex-direction: column; gap: 28px; }
.oab-nav-mobile a {
  font-size: 28px;
  font-weight: 300;
  color: var(--oab-ink);
}
.oab-nav-mobile a:hover { color: var(--oab-accent); }

/* ---- 6. Hero ---- */
.oab-hero {
  position: relative;
  min-height: 100vh;
  padding: 180px 0 120px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--oab-dark);
  color: var(--oab-dark-text);
}
.oab-hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.6) saturate(0.85);
  z-index: 1;
}
.oab-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.45) 0%, rgba(10,10,10,0.25) 45%, rgba(10,10,10,0.7) 100%);
  z-index: 2;
}
.oab-hero-grain {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(182,141,98,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(123,137,161,0.14) 0%, transparent 55%);
  z-index: 2;
  pointer-events: none;
}
.oab-hero-content {
  position: relative;
  z-index: 3;
  max-width: 920px;
}
.oab-hero h1 {
  font-size: clamp(40px, 6.2vw, 76px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.oab-hero-lede {
  margin-top: 32px;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--oab-dark-mute);
  max-width: 640px;
}
.oab-hero-ctas {
  margin-top: 56px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.oab-hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-size: 10px;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-dark-mute);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.oab-hero-scroll::after {
  content: '';
  display: block;
  width: 1px; height: 36px;
  background: var(--oab-dark-line);
  animation: oab-scroll-pulse 2.4s var(--oab-easing-soft) infinite;
}
@keyframes oab-scroll-pulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Hero éditorial : sombre avec vidéo, mais plus court que le hero home (60vh au lieu de 100vh) */
.oab-hero-editorial {
  background: var(--oab-dark);
  color: var(--oab-dark-text);
  min-height: 62vh;
  padding: 160px 0 90px;
}
.oab-hero-editorial .oab-hero-lede { color: var(--oab-dark-mute); }
.oab-hero-editorial h1 { letter-spacing: -0.01em; }
.oab-hero-editorial .oab-hero-scroll { display: none; }

/* ---- 7. Boutons ---- */
.oab-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.35s var(--oab-easing);
}
.oab-btn-primary {
  background: var(--oab-accent);
  color: var(--oab-bg);
}
.oab-btn-primary:hover {
  background: #a07b53;
  transform: translateY(-1px);
}
.oab-btn-primary:hover .oab-btn-arrow { transform: translateX(4px); }
.oab-btn-ghost {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
  opacity: 0.85;
}
.oab-btn-ghost:hover { opacity: 1; border-color: var(--oab-accent); color: var(--oab-accent); }
.oab-btn-ghost:hover .oab-btn-arrow { transform: translateX(4px); color: var(--oab-accent); }
.oab-btn-arrow {
  width: 14px; height: 14px;
  transition: transform 0.35s var(--oab-easing);
}

/* ---- 8. Legitimacy bar ---- */
.oab-legitimacy {
  padding: 70px 0;
  border-bottom: 1px solid var(--oab-line);
  background: var(--oab-bg);
}
.oab-legitimacy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}
.oab-legitimacy-item {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  line-height: 1.5;
}
.oab-legitimacy-item strong {
  display: block;
  color: var(--oab-ink);
  margin-bottom: 6px;
}
@media (max-width: 900px) {
  .oab-legitimacy-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ---- 9. Manifesto (2 col) ---- */
.oab-manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.oab-manifesto-eyebrow { color: var(--oab-blue-text); }
.oab-manifesto-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 300;
  line-height: 1.2;
}
.oab-manifesto-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--oab-ink);
  margin-bottom: 22px;
}
.oab-manifesto-body p:last-child { margin-bottom: 0; }
@media (max-width: 900px) {
  .oab-manifesto-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ---- 10. Approach cards (paliers) ---- */
.oab-tiers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  position: relative;
}
.oab-tiers::before {
  content: '';
  position: absolute;
  inset: -10% -5%;
  background: radial-gradient(ellipse at 50% 50%, var(--oab-blue-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}
.oab-tier {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid var(--oab-line);
  padding: 56px 48px;
  border-radius: 4px;
  transition: border-color 0.45s var(--oab-easing-soft), transform 0.45s var(--oab-easing-soft);
}
.oab-tier:hover {
  border-color: var(--oab-accent);
  transform: translateY(-2px);
}
.oab-tier-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
}
.oab-tier-title {
  margin-top: 18px;
  font-size: 30px;
  font-weight: 400;
  line-height: 1.2;
}
.oab-tier-desc {
  margin-top: 22px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--oab-mute);
}
.oab-tier-meta {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--oab-line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.oab-tier-meta-item dt {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  margin-bottom: 6px;
}
.oab-tier-meta-item dd {
  margin: 0;
  font-size: 14px;
  color: var(--oab-ink);
}
.oab-tier-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  text-transform: uppercase;
  color: var(--oab-accent);
  transition: gap 0.3s var(--oab-easing);
}
.oab-tier-link:hover { gap: 16px; }
@media (max-width: 900px) {
  .oab-tiers { grid-template-columns: 1fr; }
  .oab-tier { padding: 40px 28px; }
}

/* ---- 11. Field (section sombre, stats) ---- */
.oab-field {
  position: relative;
  overflow: hidden;
}
.oab-field::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(182,141,98,0.10) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(123,137,161,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.oab-field-content { position: relative; }
.oab-field-stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.oab-field-stat {
  padding: 40px 32px;
  background: rgba(250, 250, 247, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--oab-dark-line);
  border-radius: 4px;
}
.oab-field-stat-num {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 300;
  color: var(--oab-accent);
  line-height: 1;
}
.oab-field-stat-label {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  text-transform: uppercase;
  color: var(--oab-dark-mute);
}
.oab-field-stat-desc {
  margin-top: 12px;
  font-size: 14px;
  color: var(--oab-dark-mute);
  line-height: 1.5;
}
@media (max-width: 900px) {
  .oab-field-stats { grid-template-columns: 1fr; }
}

/* ---- 12. Perspectives cards ---- */
.oab-perspectives-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.oab-pers-card {
  display: block;
  border-top: 1px solid var(--oab-line-strong);
  padding-top: 28px;
  transition: border-color 0.35s var(--oab-easing);
}
.oab-pers-card:hover { border-top-color: var(--oab-accent); }
.oab-pers-meta {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}
.oab-pers-meta .oab-pers-cat { color: var(--oab-accent); }
.oab-pers-title {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--oab-ink);
  transition: color 0.35s var(--oab-easing);
}
.oab-pers-card:hover .oab-pers-title { color: var(--oab-accent); }
.oab-pers-excerpt {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--oab-mute);
}
@media (max-width: 900px) {
  .oab-perspectives-grid { grid-template-columns: 1fr; }
}

/* ---- 13. CTA section ---- */
.oab-cta {
  padding: 140px 0;
  background: var(--oab-bg);
  text-align: center;
  border-top: 1px solid var(--oab-line);
}
.oab-cta-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 300;
  line-height: 1.15;
  max-width: 720px;
  margin: 24px auto 0;
}
.oab-cta-lede {
  margin: 28px auto 0;
  max-width: 560px;
  color: var(--oab-mute);
  font-size: 17px;
  line-height: 1.6;
}
.oab-cta-btn { margin-top: 48px; }

/* ---- 14. FAQ ---- */
.oab-faq-list {
  margin-top: 60px;
  border-top: 1px solid var(--oab-line);
}
.oab-faq-item {
  border-bottom: 1px solid var(--oab-line);
}
.oab-faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 32px 64px 32px 0;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 400;
  color: var(--oab-ink);
  position: relative;
  transition: color 0.3s var(--oab-easing);
}
.oab-faq-item > summary::-webkit-details-marker { display: none; }
.oab-faq-item > summary::after {
  content: '+';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  font-weight: 300;
  color: var(--oab-accent);
  transition: transform 0.4s var(--oab-easing);
}
.oab-faq-item[open] > summary::after { transform: translateY(-50%) rotate(45deg); }
.oab-faq-item[open] > summary { color: var(--oab-accent); }
.oab-faq-answer {
  padding: 0 64px 36px 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--oab-mute);
}
.oab-faq-answer p { margin-bottom: 16px; }
.oab-faq-answer p:last-child { margin-bottom: 0; }

/* ---- 15. Article / page pilier ---- */
.oab-prose {
  max-width: 760px;
  margin: 0 auto;
}
.oab-prose h2 {
  margin-top: 80px;
  margin-bottom: 28px;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 300;
  line-height: 1.2;
  scroll-margin-top: 100px;
}
.oab-prose h2:first-child { margin-top: 0; }
.oab-prose h3 {
  margin-top: 48px;
  margin-bottom: 18px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
}
.oab-prose p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 22px;
  color: var(--oab-ink);
}
.oab-prose p.oab-lede {
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--oab-mute);
  margin-bottom: 40px;
}
.oab-prose strong { font-weight: 500; color: var(--oab-ink); }
.oab-prose a {
  color: var(--oab-accent);
  border-bottom: 1px solid var(--oab-accent-soft);
  transition: border-color 0.3s var(--oab-easing);
}
.oab-prose a:hover { border-bottom-color: var(--oab-accent); }
.oab-prose ul.oab-list {
  margin: 20px 0 28px;
  padding-left: 0;
}
.oab-prose ul.oab-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-size: 17px;
  line-height: 1.6;
}
.oab-prose ul.oab-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 10px; height: 1px;
  background: var(--oab-accent);
}

.oab-toc {
  border: 1px solid var(--oab-line);
  padding: 32px 36px;
  margin-bottom: 60px;
  background: rgba(255,255,255,0.4);
  border-radius: 4px;
}
.oab-toc-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  margin-bottom: 18px;
}
.oab-toc ol {
  list-style: decimal;
  padding-left: 24px;
}
.oab-toc li { margin-bottom: 10px; font-size: 15px; }
.oab-toc a {
  color: var(--oab-ink);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--oab-easing), color 0.3s var(--oab-easing);
}
.oab-toc a:hover { color: var(--oab-accent); border-bottom-color: var(--oab-accent); }

/* ---- 16. Specs strip ---- */
.oab-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--oab-line);
  border-bottom: 1px solid var(--oab-line);
  margin: 60px 0;
}
.oab-spec {
  padding: 32px 28px;
  border-right: 1px solid var(--oab-line);
}
.oab-spec:last-child { border-right: 0; }
.oab-spec-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  margin-bottom: 10px;
}
.oab-spec-value {
  font-size: 22px;
  font-weight: 300;
  color: var(--oab-ink);
  line-height: 1.2;
}
@media (max-width: 900px) {
  .oab-specs { grid-template-columns: repeat(2, 1fr); }
  .oab-spec:nth-child(2) { border-right: 0; }
  .oab-spec:nth-child(1), .oab-spec:nth-child(2) { border-bottom: 1px solid var(--oab-line); }
}

/* ---- 17. Phases (3-step visualization) ---- */
.oab-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: phase;
}
.oab-phase {
  padding: 40px 32px;
  border: 1px solid var(--oab-line);
  border-radius: 4px;
  background: rgba(255,255,255,0.5);
  position: relative;
}
.oab-phase::before {
  counter-increment: phase;
  content: counter(phase, decimal-leading-zero);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  color: var(--oab-accent);
  display: block;
  margin-bottom: 18px;
}
.oab-phase-title {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 16px;
}
.oab-phase-meta {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  margin-bottom: 20px;
}
.oab-phase-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--oab-mute);
}
@media (max-width: 900px) {
  .oab-phases { grid-template-columns: 1fr; }
}

/* ---- 18. Table comparative ---- */
.oab-table-wrap {
  margin: 40px 0;
  overflow-x: auto;
  border: 1px solid var(--oab-line);
  border-radius: 4px;
}
table.oab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.oab-table th, .oab-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--oab-line);
  vertical-align: top;
}
.oab-table thead th {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  background: rgba(0,0,0,0.02);
}
.oab-table tbody tr:last-child td { border-bottom: 0; }
.oab-table td:first-child { font-weight: 500; }

/* ---- 19. Footer ---- */
.oab-footer {
  background: var(--oab-dark);
  color: var(--oab-dark-text);
  padding: 100px 0 40px;
}
.oab-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--oab-dark-line);
}
.oab-footer-brand-logo {
  display: block;
  height: 16px;
  width: auto;
  margin-bottom: 22px;
  filter: invert(1);
}
.oab-footer-brand-name {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.oab-footer-slogan {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
  margin-bottom: 28px;
}
.oab-footer-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--oab-dark-mute);
  max-width: 320px;
}
.oab-footer-col h4 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-dark-mute);
  margin-bottom: 22px;
}
.oab-footer-col ul li { margin-bottom: 12px; }
.oab-footer-col a {
  font-size: 14px;
  color: var(--oab-dark-text);
  opacity: 0.85;
  transition: color 0.3s var(--oab-easing), opacity 0.3s var(--oab-easing);
}
.oab-footer-col a:hover { color: var(--oab-accent); opacity: 1; }
.oab-footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-dark-mute);
}
@media (max-width: 900px) {
  .oab-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .oab-footer-grid { grid-template-columns: 1fr; }
}

/* ---- 20. Reveal on scroll ---- */
.oab-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--oab-easing-soft),
              transform 0.9s var(--oab-easing-soft);
  will-change: opacity, transform;
}
.oab-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.oab-reveal-d1 { transition-delay: 0.08s; }
.oab-reveal-d2 { transition-delay: 0.16s; }
.oab-reveal-d3 { transition-delay: 0.24s; }
.oab-reveal-d4 { transition-delay: 0.32s; }
.oab-reveal-d5 { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  .oab-reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .oab-hero-video { display: none; }
  .oab-hero-scroll::after { animation: none; }
}

/* ---- 21bis. Profil header avec photo discrète ---- */
.oab-profil-header {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 80px;
}
.oab-profil-photo {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  filter: grayscale(0.05);
}
.oab-profil-photo img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.6s var(--oab-easing-soft);
}
.oab-profil-photo:hover img { transform: scale(1.02); }
.oab-profil-caption {
  margin-top: 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
}
@media (max-width: 768px) {
  .oab-profil-header { grid-template-columns: 1fr; gap: 32px; }
  .oab-profil-photo { max-width: 320px; }
}

/* ---- 22. Pillar stat strip (Malaisie, top of pillar) ---- */
.oab-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--oab-line);
  border-bottom: 1px solid var(--oab-line);
  margin: 60px 0 80px;
}
.oab-stat-strip-item {
  padding: 32px 28px;
  border-right: 1px solid var(--oab-line);
}
.oab-stat-strip-item:last-child { border-right: 0; }
.oab-stat-strip-num {
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 300;
  color: var(--oab-accent);
  line-height: 1;
  letter-spacing: -0.01em;
}
.oab-stat-strip-label {
  margin-top: 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  line-height: 1.4;
}
@media (max-width: 900px) {
  .oab-stat-strip { grid-template-columns: repeat(2, 1fr); }
  .oab-stat-strip-item:nth-child(2) { border-right: 0; }
  .oab-stat-strip-item:nth-child(1),
  .oab-stat-strip-item:nth-child(2) { border-bottom: 1px solid var(--oab-line); }
}

/* ---- 23. Agencies grid (cartographie institutionnelle) ---- */
.oab-agencies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0 60px;
}
.oab-agency {
  padding: 32px 28px;
  border: 1px solid var(--oab-line);
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border-radius: 4px;
}
.oab-agency-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-blue-text);
}
.oab-agency-name {
  margin-top: 8px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
}
.oab-agency-name em {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  color: var(--oab-accent);
}
.oab-agency-desc {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--oab-mute);
}
@media (max-width: 900px) { .oab-agencies { grid-template-columns: 1fr; } }

/* ---- 24. Statuts juridiques (3-col cards) ---- */
.oab-status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0 60px;
}
.oab-status {
  padding: 36px 30px;
  border: 1px solid var(--oab-line);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}
.oab-status.is-recommended {
  border-color: var(--oab-accent);
  background: var(--oab-accent-soft);
}
.oab-status-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
}
.oab-status-name {
  margin-top: 12px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
}
.oab-status-sub {
  margin-top: 8px;
  font-size: 13px;
  color: var(--oab-mute);
  font-style: italic;
}
.oab-status-desc {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--oab-ink);
}
.oab-status-bullets {
  margin-top: 18px;
  padding-left: 0;
  list-style: none;
  flex-grow: 1;
}
.oab-status-bullets li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--oab-mute);
}
.oab-status-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 1px;
  background: var(--oab-accent);
}
.oab-status-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--oab-line);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
}
.oab-status.is-recommended .oab-status-footer { color: var(--oab-accent); }
@media (max-width: 900px) { .oab-status-grid { grid-template-columns: 1fr; } }

/* ---- 25. Pull quote (entre sections, accent typo) ---- */
.oab-pullquote {
  margin: 80px 0;
  padding: 0;
  border-left: 2px solid var(--oab-accent);
  padding-left: 32px;
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.35;
  color: var(--oab-ink);
  max-width: 100%;
}
.oab-pullquote::before {
  content: '';
  display: block;
  width: 40px; height: 1px;
  background: var(--oab-accent);
  margin-bottom: 18px;
  margin-left: -32px;
  padding-left: 0;
}

/* ---- 26. Section secteurs (4 cards à puce sectorielle) ---- */
.oab-sectors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 40px 0 60px;
}
.oab-sector {
  padding: 32px 28px;
  border-top: 2px solid var(--oab-accent);
  background: rgba(255,255,255,0.45);
}
.oab-sector-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-blue-text);
}
.oab-sector-name {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.25;
}
.oab-sector-desc {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--oab-mute);
}
@media (max-width: 700px) { .oab-sectors { grid-template-columns: 1fr; } }

/* ---- 27bis. Executive summary (résumé exécutif en haut de page pilier) ---- */
.oab-exec-summary {
  margin: 0 0 80px;
  padding: 56px 64px;
  background: var(--oab-dark);
  color: var(--oab-dark-text);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.oab-exec-summary::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(182,141,98,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(123,137,161,0.12) 0%, transparent 55%);
  pointer-events: none;
}
.oab-exec-summary > * { position: relative; }
.oab-exec-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
  margin-bottom: 24px;
  display: block;
}
.oab-exec-title {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: 32px;
}
.oab-exec-list {
  list-style: none;
  padding-left: 0;
  counter-reset: exec;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 48px;
}
.oab-exec-list li {
  counter-increment: exec;
  position: relative;
  padding-left: 36px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--oab-dark-text);
}
.oab-exec-list li::before {
  content: counter(exec, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  color: var(--oab-accent);
}
@media (max-width: 768px) {
  .oab-exec-summary { padding: 40px 28px; }
  .oab-exec-list { grid-template-columns: 1fr; gap: 18px; }
}

/* ---- 27ter. Image break (illustration pleine largeur entre sections) ---- */
.oab-image-break {
  margin: 80px 0;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}
.oab-image-break img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
}
.oab-image-break-caption {
  margin-top: 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  text-align: right;
}

/* ---- 27quater. Timeline verticale (étapes pratiques) ---- */
.oab-timeline {
  margin: 40px 0 60px;
  position: relative;
  padding-left: 32px;
}
.oab-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--oab-line-strong);
}
.oab-timeline-step {
  position: relative;
  padding-bottom: 36px;
}
.oab-timeline-step::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--oab-accent);
  border: 2px solid var(--oab-bg);
}
.oab-timeline-step:last-child { padding-bottom: 0; }
.oab-timeline-meta {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
}
.oab-timeline-title {
  margin-top: 6px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
}
.oab-timeline-desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--oab-mute);
}

/* ---- 27quinquies. Hero stats inline (callouts numériques inline dans le corps) ---- */
.oab-inline-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 40px 0 50px;
  padding: 32px 0;
  border-top: 1px solid var(--oab-line);
  border-bottom: 1px solid var(--oab-line);
}
.oab-inline-stat-num {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 300;
  color: var(--oab-accent);
  line-height: 1;
  letter-spacing: -0.01em;
}
.oab-inline-stat-label {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--oab-track);
  text-transform: uppercase;
  color: var(--oab-mute);
}
.oab-inline-stat-desc {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--oab-mute);
}
@media (max-width: 768px) {
  .oab-inline-stats { grid-template-columns: 1fr; gap: 24px; }
}

/* ---- 27sexies. Two-col split (texte + chiffres / texte + carte) ---- */
.oab-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin: 40px 0;
  align-items: start;
}
.oab-split-card {
  padding: 36px 32px;
  background: var(--oab-dark);
  color: var(--oab-dark-text);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.oab-split-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(182,141,98,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.oab-split-card > * { position: relative; }
.oab-split-card-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-accent);
  margin-bottom: 14px;
  display: block;
}
.oab-split-card-num {
  font-size: clamp(40px, 4.5vw, 56px);
  font-weight: 300;
  line-height: 1;
  color: var(--oab-dark-text);
  margin-bottom: 16px;
}
.oab-split-card-label {
  font-size: 14px;
  line-height: 1.55;
  color: var(--oab-dark-mute);
}
@media (max-width: 900px) { .oab-split { grid-template-columns: 1fr; gap: 32px; } }

/* ---- 27. Callout box (encadré attention / key takeaway) ---- */
.oab-callout {
  padding: 28px 32px;
  margin: 40px 0;
  background: var(--oab-blue-soft);
  border-left: 2px solid var(--oab-blue);
  border-radius: 4px;
}
.oab-callout-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-blue-text);
  margin-bottom: 12px;
}
.oab-callout p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--oab-ink);
  margin: 0;
}

/* ---- 21. Form (contact) ---- */
.oab-form { max-width: 640px; }
.oab-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.oab-field-single { margin-bottom: 24px; }
.oab-form label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--oab-track-loose);
  text-transform: uppercase;
  color: var(--oab-mute);
  margin-bottom: 10px;
}
.oab-form input,
.oab-form textarea,
.oab-form select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--oab-line);
  background: rgba(255,255,255,0.6);
  font-family: inherit;
  font-size: 15px;
  color: var(--oab-ink);
  border-radius: 4px;
  transition: border-color 0.3s var(--oab-easing);
}
.oab-form input:focus,
.oab-form textarea:focus,
.oab-form select:focus {
  outline: none;
  border-color: var(--oab-accent);
}
.oab-form textarea { min-height: 160px; resize: vertical; }
.oab-form-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 13px;
  color: var(--oab-mute);
  line-height: 1.5;
}
.oab-form-consent input { width: auto; margin-top: 2px; }
@media (max-width: 600px) {
  .oab-field-row { grid-template-columns: 1fr; }
}