/* =========================================================
   Valier — Design system (v claude-code)
   ========================================================= */

/* Police Inter auto-hébergée (RGPD — aucun appel externe) */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-400.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-500.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/inter-600.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/inter-700.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/inter-800.woff2") format("woff2");
}

:root {
  /* Palette — charte VALIER : navy #002B7F, accent cyan #00AEEF */
  --valier-900: #001A4D;
  --valier-800: #002B7F;
  --valier-700: #0B3C99;
  --valier-600: #1D52B3;
  --valier-500: #3A6CC4;
  --valier-400: #6E93D3;
  --valier-300: #A3BAE3;
  --valier-200: #CBD8EF;
  --valier-100: #E6ECF7;
  --valier-050: #F5F7FA;

  --accent-600: #0090C8;
  --accent-500: #00AEEF;
  --accent-100: #E0F5FD;

  --ink-900: #1A1A1A;
  --ink-700: #334155;
  --ink-500: #5A6472;
  --ink-300: #cbd5e1;
  --ink-100: #f1f5f9;

  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border: #D9DEE6;
  --border-strong: #cbd5e1;

  --success-bg: #ecfdf5;
  --success-fg: #065f46;
  --success-border: #a7f3d0;
  --danger-bg: #fef2f2;
  --danger-fg: #991b1b;
  --danger-border: #fecaca;

  /* Typographie */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Échelle typographique fluide */
  --step--1: clamp(0.82rem, 0.78rem + 0.2vw, 0.9rem);
  --step-0: clamp(0.95rem, 0.92rem + 0.15vw, 1rem);
  --step-1: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --step-2: clamp(1.3rem, 1.15rem + 0.7vw, 1.55rem);
  --step-3: clamp(1.6rem, 1.35rem + 1.1vw, 2.05rem);
  --step-4: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
  --step-5: clamp(2.4rem, 1.85rem + 2.4vw, 3.6rem);

  /* Espace */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Radius / Ombres */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 18px rgba(0, 43, 127, 0.08);
  --shadow-lg: 0 24px 48px rgba(0, 43, 127, 0.12);

  /* Animations */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 150ms;
  --dur-med: 260ms;

  --container: 1200px;
  --container-narrow: 880px;
  --header-h: 72px;
}

/* =========================================================
   Reset moderne
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink-900);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { padding: 0; margin: 0; }
a { color: var(--valier-600); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--valier-800); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--valier-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Titres */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--valier-900);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--sp-4);
}
h1 { font-size: var(--step-5); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p { margin: 0 0 var(--sp-4); }

/* =========================================================
   Layout
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--sp-16); }
.section--tight { padding-block: var(--sp-10); }
.section--alt { background: var(--surface-alt); }
.section--dark {
  background: linear-gradient(180deg, var(--valier-900), var(--valier-800));
  color: #D9DEE6;
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark a { color: var(--valier-200); }
.section--dark a:hover { color: #fff; }

.section-head { margin-bottom: var(--sp-10); max-width: 720px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--valier-600);
  margin-bottom: var(--sp-3);
}
.section--dark .section-head .eyebrow { color: var(--valier-300); }
.section-head .lead { font-size: var(--step-1); color: var(--ink-700); }
.section--dark .section-head .lead { color: var(--valier-200); }

/* Accessibilité */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--sp-4); top: -100px;
  background: var(--valier-900); color: #fff;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  z-index: 100;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--sp-4); color: #fff; }

/* =========================================================
   En-tête & navigation
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-6);
  height: var(--header-h);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--sp-3);
  color: var(--valier-800); font-weight: 800;
  font-size: 1.3rem; letter-spacing: -0.02em;
}
.brand__logo {
  font-weight: 800; letter-spacing: 0.04em;
  font-size: 1.35rem; line-height: 1;
}
.brand__dot { color: inherit; }
.brand:hover { color: var(--valier-700); }

.primary-nav { display: flex; align-items: center; gap: var(--sp-2); }
.primary-nav a, .primary-nav .menu-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem; font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-md);
  background: transparent; border: none; cursor: pointer;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.primary-nav a:hover, .primary-nav .menu-btn:hover {
  color: var(--valier-800); background: var(--valier-050);
}
.primary-nav a[aria-current="page"] {
  color: var(--valier-800); background: var(--valier-100);
}

.has-submenu { position: relative; }
.submenu {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 280px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-2);
  opacity: 0; transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.has-submenu[aria-expanded="true"] .submenu,
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
  opacity: 1; transform: translateY(0) scale(1); pointer-events: auto;
}
.submenu a {
  display: block;
  padding: 0.55rem 0.75rem;
  font-size: 0.92rem;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
}
.submenu a:hover { background: var(--valier-050); color: var(--valier-800); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-md);
  cursor: pointer;
}
.nav-toggle__bar {
  position: relative; width: 20px; height: 2px; background: var(--ink-900); border-radius: 2px;
  transition: background var(--dur-fast) var(--ease);
}
.nav-toggle__bar::before, .nav-toggle__bar::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink-900); border-radius: 2px;
  transition: transform var(--dur-med) var(--ease), top var(--dur-med) var(--ease);
}
.nav-toggle__bar::before { top: -6px; }
.nav-toggle__bar::after { top: 6px; }
[data-nav-open="true"] .nav-toggle__bar { background: transparent; }
[data-nav-open="true"] .nav-toggle__bar::before { top: 0; transform: rotate(45deg); }
[data-nav-open="true"] .nav-toggle__bar::after { top: 0; transform: rotate(-45deg); }

/* =========================================================
   Boutons
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0.8rem 1.3rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--valier-700); color: #fff;
  box-shadow: 0 10px 24px -12px rgba(0, 43, 127, 0.6);
}
.btn--primary:hover { background: var(--valier-800); color: #fff; }
.btn--accent {
  background: var(--accent-500); color: var(--valier-800);
  box-shadow: 0 10px 24px -12px rgba(0, 174, 239, 0.6);
}
.btn--accent:hover { background: #33BEF2; color: var(--valier-800); }
.btn--ghost {
  background: transparent; color: var(--valier-800);
  border-color: var(--valier-200);
}
.btn--ghost:hover { background: var(--valier-050); border-color: var(--valier-300); }
.btn--on-dark {
  background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.3);
}
.btn--on-dark:hover { background: rgba(255,255,255,0.18); color: #fff; }
.btn--lg { padding: 1rem 1.5rem; font-size: 1.02rem; }

/* =========================================================
   Hero — accueil
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--valier-900) 0%, var(--valier-700) 95%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("../img/mont-valier.jpg");
  background-size: cover; background-position: center 35%;
  opacity: 0.22;
  filter: saturate(1.05);
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 140px;
  background: linear-gradient(180deg, transparent, var(--surface));
  z-index: 1;
}
.hero__inner {
  position: relative; z-index: 2;
  padding-block: clamp(var(--sp-20), 12vw, 9rem);
  max-width: 820px;
}
.hero h1 {
  color: #fff;
  font-size: var(--step-5);
}
.hero h1 .hl {
  color: var(--valier-200);
  background: linear-gradient(180deg, transparent 62%, rgba(0, 174, 239,0.45) 62%);
  padding: 0 4px;
}
.hero p.lead {
  font-size: var(--step-1);
  color: #D9DEE6;
  max-width: 640px;
  margin-bottom: var(--sp-8);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

/* Page hero — plus court, pour pages intérieures */
.page-hero {
  background: linear-gradient(180deg, var(--valier-050) 0%, var(--surface) 100%);
  padding-block: var(--sp-16) var(--sp-12);
  border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: var(--step--1); font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--valier-600);
  margin-bottom: var(--sp-3);
}
.page-hero h1 { max-width: 820px; }
.page-hero p.lead {
  font-size: var(--step-1);
  color: var(--ink-700);
  max-width: 720px;
}

/* =========================================================
   Trust bar
   ========================================================= */
.trustbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-6);
  padding: var(--sp-6);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-top: calc(var(--sp-16) * -1);
  position: relative; z-index: 3;
}
.trustbar__item { text-align: left; }
.trustbar__k {
  display: block;
  font-size: var(--step-3);
  font-weight: 800;
  color: var(--valier-700);
  line-height: 1;
  letter-spacing: -0.02em;
}
.trustbar__v {
  display: block;
  font-size: var(--step--1);
  color: var(--ink-500);
  margin-top: 4px;
}

/* =========================================================
   Grille cartes
   ========================================================= */
.cards {
  display: grid; gap: var(--sp-6);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--valier-200);
}
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--valier-050);
  color: var(--valier-700);
  margin-bottom: var(--sp-4);
}
.card__icon svg, .card__icon img { width: 28px; height: 28px; }
.card h3 { font-size: var(--step-1); margin-bottom: var(--sp-2); }
.card p { color: var(--ink-700); flex: 1; }
.card__link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: var(--sp-3);
  font-weight: 600;
  color: var(--valier-700);
}
.card__link:hover { color: var(--valier-900); gap: 8px; }
.card__link::after { content: "→"; transition: transform var(--dur-fast) var(--ease); }
.card--highlight {
  border-color: var(--valier-200);
  background: linear-gradient(180deg, var(--valier-050), #fff 70%);
}

/* Grid rail pour "Approche" */
.steps { display: grid; gap: var(--sp-6); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.step {
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  position: relative;
}
.step__num {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  background: var(--valier-700); color: #fff;
  border-radius: var(--radius-full);
  font-weight: 700;
  margin-bottom: var(--sp-4);
}

/* =========================================================
   Pages produit : bloc risque
   ========================================================= */
.product-grid {
  display: grid; gap: var(--sp-10);
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}
@media (max-width: 920px) { .product-grid { grid-template-columns: 1fr; } }
.product-features { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sp-4); }
.product-features li {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--valier-500);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
}
.product-features strong { display: block; color: var(--valier-800); margin-bottom: 4px; }
.product-features span { color: var(--ink-700); font-size: 0.96rem; }

.product-aside {
  background: linear-gradient(180deg, var(--valier-050), #fff);
  border: 1px solid var(--valier-100);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: sticky; top: calc(var(--header-h) + var(--sp-4));
}
.product-aside h3 { margin-bottom: var(--sp-3); }
.product-aside ul { list-style: none; display: grid; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.product-aside li { display: flex; gap: 8px; align-items: flex-start; color: var(--ink-700); }
.product-aside li::before {
  content: "✓"; color: var(--valier-600); font-weight: 700; flex-shrink: 0;
}

/* =========================================================
   Actualités
   ========================================================= */
.article-list { display: grid; gap: var(--sp-6); grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.article-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--valier-700), var(--valier-500));
  position: relative; overflow: hidden;
}
.article-card__media img { width: 100%; height: 100%; object-fit: cover; }
.article-card__body { padding: var(--sp-5); display: flex; flex-direction: column; flex: 1; }
.article-card__meta {
  font-size: var(--step--1); color: var(--ink-500);
  margin-bottom: var(--sp-2);
}
.article-card h3 {
  font-size: var(--step-1); margin-bottom: var(--sp-3);
}
/* Seul le résumé s'étire : la date est aussi un <p>, l'étirer décalait les titres */
.article-card p:not(.article-card__meta) { color: var(--ink-700); flex: 1; }
.article-card__link { margin-top: var(--sp-3); font-weight: 600; color: var(--valier-700); }

/* Article détaillé */
.article-body {
  max-width: 760px; margin-inline: auto;
}
.article-body h2 { margin-top: var(--sp-10); font-size: var(--step-2); }
.article-body h3 { margin-top: var(--sp-8); font-size: var(--step-1); }
.article-body ul { list-style: disc; padding-left: 1.3rem; margin-block: var(--sp-3) var(--sp-5); }
.article-body ul li { margin-bottom: var(--sp-2); }
.article-body .resume {
  background: var(--valier-050);
  border-left: 4px solid var(--valier-500);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-8);
}
.article-body img { border-radius: var(--radius-lg); margin-block: var(--sp-5); }
.article-meta { color: var(--ink-500); font-size: var(--step--1); margin-bottom: var(--sp-3); }

/* =========================================================
   Équipe
   ========================================================= */
.team-grid { display: grid; gap: var(--sp-6); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  text-align: center;
}
.team-card img {
  width: 110px; height: 110px;
  border-radius: 50%; object-fit: cover;
  margin: 0 auto var(--sp-4);
  border: 3px solid var(--valier-100);
}
.team-card h3 { margin-bottom: var(--sp-2); }
.team-card p { color: var(--ink-700); font-size: 0.95rem; }

/* =========================================================
   FAQ
   ========================================================= */
.faq { display: grid; gap: var(--sp-3); max-width: 820px; margin-inline: auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease);
}
.faq details[open] { box-shadow: var(--shadow-md); border-color: var(--valier-200); }
.faq summary {
  padding: var(--sp-4) var(--sp-5);
  font-weight: 600; font-size: 1rem;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4);
  list-style: none;
  color: var(--valier-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.3rem; color: var(--valier-600);
  transition: transform var(--dur-med) var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__body {
  padding: 0 var(--sp-5) var(--sp-5);
  color: var(--ink-700);
}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band {
  background: linear-gradient(135deg, var(--valier-800), var(--valier-600));
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-8);
  position: relative;
  overflow: hidden;
  display: grid; gap: var(--sp-6);
  grid-template-columns: 1.5fr auto;
  align-items: center;
}
.cta-band::before {
  content: "";
  position: absolute; right: -80px; top: -60px; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0, 174, 239,0.25), transparent 65%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; margin-bottom: var(--sp-2); }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
@media (max-width: 720px) { .cta-band { grid-template-columns: 1fr; } }

/* =========================================================
   Formulaires
   ========================================================= */
.form-grid {
  display: grid; gap: var(--sp-8);
  grid-template-columns: 1.2fr 0.8fr;
}
@media (max-width: 920px) { .form-grid { grid-template-columns: 1fr; } }

.form {
  display: grid; gap: var(--sp-5);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-sm);
}
.form-field { display: grid; gap: 6px; }
.form-field label {
  font-weight: 600; font-size: 0.95rem; color: var(--valier-900);
}
.form-field .hint { font-size: var(--step--1); color: var(--ink-500); }
.form-field input, .form-field select, .form-field textarea {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: #fff;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--valier-500);
  box-shadow: 0 0 0 4px rgba(37, 99, 179, 0.15);
  outline: none;
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-info {
  background: var(--surface-alt);
  border-left: 3px solid var(--valier-300);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  font-size: 0.92rem;
  color: var(--ink-700);
}
.form-info a { color: var(--valier-700); text-decoration: underline; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--ink-700); }
.checkbox input { margin-top: 4px; }

.alert {
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--sp-6);
}
.alert--success { background: var(--success-bg); color: var(--success-fg); border-color: var(--success-border); }
.alert--error { background: var(--danger-bg); color: var(--danger-fg); border-color: var(--danger-border); }

.contact-card {
  background: linear-gradient(180deg, var(--valier-050), #fff);
  border: 1px solid var(--valier-100);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}
.contact-card h2 { font-size: var(--step-1); margin-bottom: var(--sp-4); }
.contact-card address {
  font-style: normal; line-height: 1.8; color: var(--ink-700);
}

/* =========================================================
   Contenu rich-text (mentions, RGPD…)
   ========================================================= */
.rich-content {
  max-width: 820px; margin-inline: auto;
}
.rich-content h2 {
  margin-top: var(--sp-10);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--valier-100);
  font-size: var(--step-2);
}
.rich-content h3 { margin-top: var(--sp-6); font-size: var(--step-1); }
.rich-content ul, .rich-content ol { padding-left: 1.3rem; margin-block: var(--sp-3) var(--sp-5); }
.rich-content ul { list-style: disc; }
.rich-content li { margin-bottom: var(--sp-2); }
.rich-content .info-block {
  background: var(--valier-050);
  border-left: 4px solid var(--valier-500);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  margin-block: var(--sp-5);
}
.rich-content .info-block--warn {
  background: var(--accent-100);
  border-left-color: var(--accent-600);
  color: #78350f;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: linear-gradient(180deg, var(--valier-900), #051428);
  color: #cbd5e1;
  padding-block: var(--sp-16) var(--sp-8);
  margin-top: var(--sp-16);
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: var(--sp-4); }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid; gap: var(--sp-8);
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  margin-bottom: var(--sp-10);
}
@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}
.site-footer ul { list-style: none; display: grid; gap: var(--sp-2); }
.site-footer ul a { font-size: 0.94rem; }
.site-footer__brand p { color: #94a3b8; font-size: 0.94rem; max-width: 320px; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--sp-6);
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--sp-4); flex-wrap: wrap;
  font-size: var(--step--1); color: #94a3b8;
}
.site-footer__social {
  display: inline-flex; gap: var(--sp-2); align-items: center;
}
.site-footer__social a {
  display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
}
.site-footer__social a:hover { background: rgba(255,255,255,0.14); }

/* =========================================================
   Responsive / menu mobile
   ========================================================= */
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    flex-direction: column; align-items: stretch;
    background: #fff;
    padding: var(--sp-6);
    gap: var(--sp-2);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease);
    border-top: 1px solid var(--border);
  }
  [data-nav-open="true"] .primary-nav { transform: translateX(0); }
  .primary-nav a, .primary-nav .menu-btn {
    padding: 0.9rem 1rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    justify-content: space-between;
  }
  .submenu {
    position: static;
    opacity: 1; transform: none; pointer-events: auto;
    border: none; box-shadow: none;
    background: var(--valier-050);
    border-radius: var(--radius-md);
    padding: var(--sp-2);
    margin-top: var(--sp-2);
    display: none;
  }
  .has-submenu[aria-expanded="true"] .submenu { display: block; }
}

/* =========================================================
   Utilitaires
   ========================================================= */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.prose-narrow { max-width: 640px; }
.surface {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
}

/* Préférence reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Print
   ========================================================= */
@media print {
  .site-header, .site-footer, .cta-band, .nav-toggle, .primary-nav { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .section { padding-block: var(--sp-6); }
}