/* ============================================================
   OPTIMETIER — Tokens & composants partagés
   À inclure dans toutes les pages : <link rel="stylesheet" href="_brand.css">
   ============================================================ */

:root {
  --navy: #0E1E3F;
  --navy-deep: #08132A;
  --navy-soft: #1A2B52;
  --gold: #C9A24A;
  --gold-soft: #D9B868;
  --gold-deep: #A88534;
  --white: #FFFFFF;
  --cream: #FBF9F2;
  --cream-warm: #F5F0E1;
  --anthracite: #2E3744;
  --mist: rgba(46, 55, 68, 0.08);
  --mist-strong: rgba(46, 55, 68, 0.18);
  --gold-mist: rgba(201, 162, 74, 0.18);

  --font-sans: "Avenir Next", "Avenir", "Montserrat", system-ui, sans-serif;
  --font-display: "Cormorant Garamond", "Avenir Next", serif;

  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px; --s-11: 160px;

  --container: 1280px;
  --container-narrow: 880px;

  --tr-logo:  0.22em;
  --tr-caps:  0.24em;
  --tr-mega:  0.05em;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snappy: cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--anthracite);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
::selection { background: var(--gold); color: var(--navy); }

/* CONTAINERS */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--s-5); }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 var(--s-5); }
.container-mid { max-width: 1080px; margin: 0 auto; padding: 0 var(--s-5); }

/* WORDMARK + E-MARK */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.02em;
  font-weight: 300;
  letter-spacing: var(--tr-logo);
  color: var(--navy);
  user-select: none;
  line-height: 1;
}
.wordmark--gold { color: var(--gold); }
.wordmark--white { color: var(--white); }
.e-mark {
  display: inline-block;
  position: relative;
  width: 0.5em;
  height: 0.72em;
  margin: 0 0.06em;
  border-top:    0.07em solid var(--gold);
  border-bottom: 0.07em solid var(--gold);
}
.e-mark::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0.12em;
  top: 50%;
  transform: translateY(-50%);
  height: 0.07em;
  background: var(--gold);
}
.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
}
.logo-lockup img { width: 36px; height: auto; flex-shrink: 0; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 16px 28px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: all 0.4s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn--primary:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn--gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn--gold:hover { background: var(--gold-deep); border-color: var(--gold-deep); }
.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--ghost {
  background: transparent;
  color: var(--anthracite);
  padding: 14px 0;
}
.btn--ghost:hover { color: var(--navy); }
.btn__arrow {
  font-size: 16px;
  line-height: 1;
  transition: transform 0.4s var(--ease);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* HEADER */
.header {
  background: rgba(251, 249, 242, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--mist);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--s-5) var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
}
.header__logo .wordmark { font-size: 18px; }
.header__nav {
  display: none;
  gap: var(--s-7);
}
@media (min-width: 1024px) { .header__nav { display: flex; } }
.header__nav a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--anthracite);
  transition: color 0.25s var(--ease);
  position: relative;
  padding: var(--s-2) 0;
}
.header__nav a::before {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease);
}
.header__nav a:hover { color: var(--navy); }
.header__nav a:hover::before { transform: scaleX(1); transform-origin: left center; }
.header__nav a.is-active { color: var(--navy); }
.header__nav a.is-active::before { transform: scaleX(1); }
.header__cta .btn { padding: 12px 22px; font-size: 11px; }

/* TYPOGRAPHY */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: var(--tr-caps);
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: var(--s-5);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.page-hero {
  padding: var(--s-10) 0 var(--s-9);
  background: var(--cream);
  position: relative;
  overflow: hidden;
}
.page-hero__inner { max-width: 880px; margin: 0 auto; padding: 0 var(--s-5); }
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 var(--s-5);
}
.page-hero__title em { font-style: italic; color: var(--gold); font-weight: 400; }
.page-hero__lead {
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.7;
  color: var(--anthracite);
  max-width: 640px;
}

.section { padding: var(--s-9) 0; }
.section--white { background: var(--white); }
.section--cream { background: var(--cream); }
.section--cream-warm { background: var(--cream-warm); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--white); }

.prose {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--anthracite);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 400;
  color: var(--navy);
  margin: var(--s-8) 0 var(--s-4);
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.prose h2 em { font-style: italic; color: var(--gold); }
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
  margin: var(--s-6) 0 var(--s-3);
}
.prose p { margin: 0 0 var(--s-4); }
.prose strong { color: var(--navy); font-weight: 600; }
.prose a { color: var(--navy); border-bottom: 1px solid var(--gold); transition: color 0.2s var(--ease); }
.prose a:hover { color: var(--gold); }
.prose ul, .prose ol { margin: 0 0 var(--s-4) var(--s-5); padding: 0; }
.prose li { margin-bottom: var(--s-2); padding-left: var(--s-2); }
.prose li::marker { color: var(--gold); }

.prose-table {
  width: 100%;
  margin: var(--s-5) 0;
  border-collapse: collapse;
  font-size: 14px;
}
.prose-table th {
  text-align: left;
  padding: var(--s-3) var(--s-4);
  background: var(--cream);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--mist-strong);
}
.prose-table td {
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--mist);
}
.prose-table td:first-child { font-weight: 500; color: var(--navy); }

/* FOOTER */
.footer { background: var(--navy-deep); color: var(--white); }
.footer__top {
  padding: var(--s-9) 0 var(--s-8);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
@media (min-width: 720px) {
  .footer__top { grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--s-7); }
}
.footer__brand .wordmark { font-size: 22px; color: var(--white); }
.footer__brand-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  margin: var(--s-5) 0 0;
  max-width: 280px;
  line-height: 1.5;
}
.footer__title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tr-caps);
  color: var(--gold);
  text-transform: uppercase;
  margin: 0 0 var(--s-5);
}
.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.footer__list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.3s var(--ease);
}
.footer__list a:hover { color: var(--gold); }

.footer__signature {
  background: var(--navy);
  padding: var(--s-7) 0;
  position: relative;
}
.footer__signature::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    rgba(201, 162, 74, 0.4) 30%,
    var(--gold) 50%,
    rgba(201, 162, 74, 0.4) 70%,
    transparent 100%);
}
.footer__signature::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(120px, 22%, 220px);
  height: 8px;
  background: var(--gold);
  clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%);
}
.footer__axes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--s-5);
  font-size: clamp(11px, 1.2vw, 14px);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--white);
  text-transform: uppercase;
}
.footer__axes span { color: var(--gold); font-size: 1.4em; line-height: 0; }

.footer__legal {
  padding: var(--s-5) 0 var(--s-6);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-4);
}
.footer__legal a:hover { color: var(--gold); }

/* ---- Filigrane M en fond (partagé toutes pages) ---- */
.pp-has-wm { position: relative; overflow: hidden; }
.pp-has-wm > * { position: relative; z-index: 1; }
.pp-has-wm > .pp-wm { z-index: 0; }
.pp-wm { position: absolute; pointer-events: none; user-select: none; height: auto; }
.pp-wm--br { bottom: -8%; right: -7%; width: clamp(220px, 30vw, 460px); opacity: .06; }
.pp-wm--tl { top: -10%; left: -8%; width: clamp(200px, 26vw, 420px); opacity: .06; transform: scaleX(-1); }
.section--navy .pp-wm, .cta-block .pp-wm { opacity: .09; }