:root {
  --ink: #1C2B39;
  --ink-soft: #3C4E5E;
  --paper: #F1F3EE;
  --paper-raised: #FFFFFF;
  --amber: #B8763D;
  --amber-deep: #8F5A2B;
  --sage: #4B7B72;
  --line: #D8D3C4;
  --shadow: rgba(28, 43, 57, 0.10);
}
:root:not([data-theme="light"]) {
  @media (prefers-color-scheme: dark) {
    --ink: #ECEAE2;
    --ink-soft: #B9C2C9;
    --paper: #14201C;
    --paper-raised: #1B2A26;
    --amber: #D69A5D;
    --amber-deep: #E7B584;
    --sage: #7FAFA4;
    --line: #2C3B35;
    --shadow: rgba(0, 0, 0, 0.35);
  }
}
:root[data-theme="dark"] {
  --ink: #ECEAE2;
  --ink-soft: #B9C2C9;
  --paper: #14201C;
  --paper-raised: #1B2A26;
  --amber: #D69A5D;
  --amber-deep: #E7B584;
  --sage: #7FAFA4;
  --line: #2C3B35;
  --shadow: rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Public Sans", system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 600; margin: 0; color: var(--ink); }
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}
.wordmark {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.wordmark span { color: var(--amber); }
nav { display: flex; gap: 28px; }
nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
nav a:hover { color: var(--ink); border-color: var(--amber); }
.call-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--amber);
  color: #fff;
  padding: 9px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.15s ease;
}
.call-pill:hover { background: var(--amber-deep); transform: translateY(-1px); }

/* Hero */
.hero {
  padding: 76px 0 68px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.eyebrow-line {
  color: var(--sage);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.3rem);
  line-height: 1.12;
  max-width: 15ch;
}
.hero p.lede {
  margin-top: 22px;
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.big-call {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 16px 26px;
  border-radius: 14px;
  box-shadow: 0 8px 24px var(--shadow);
}
.big-call .label { font-size: 0.85rem; color: var(--ink-soft); }
.big-call .number {
  font-family: "Fraunces", serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--amber-deep);
}
.secondary-link {
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero-art { position: relative; }
.route-card {
  background: var(--ink);
  border-radius: 20px;
  padding: 32px;
  color: var(--paper);
  box-shadow: 0 20px 50px var(--shadow);
}
.route-card .kicker { font-size: 0.85rem; color: var(--sage); margin-bottom: 20px; }
.route-svg { width: 100%; height: auto; }

/* Trust strip */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.trust-row {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.trust-row strong { color: var(--ink); font-weight: 600; }

/* Section shell */
section { padding: 72px 0; }
.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); }
.section-head p { margin-top: 14px; color: var(--ink-soft); font-size: 1.05rem; }

/* Services */
.services-list { display: flex; flex-direction: column; }
.service-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.services-list .service-row:last-child { border-bottom: 1px solid var(--line); }
.service-row h3 { font-size: 1.25rem; }
.service-row p { color: var(--ink-soft); margin-top: 10px; max-width: 54ch; }

/* Zones hub */
.dept-hub {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.dept-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.dept-card:hover { border-color: var(--amber); transform: translateY(-2px); }
.dept-card .dept-code {
  font-family: "Fraunces", serif;
  font-size: 1.6rem;
  color: var(--amber-deep);
}
.dept-card h3 { font-size: 1.1rem; }
.dept-card .dept-link {
  margin-top: auto;
  font-size: 0.88rem;
  color: var(--sage);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Zone page (dedicated department page) */
.zone-page-hero {
  padding: 52px 0 40px;
  border-bottom: 1px solid var(--line);
}
.zone-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-decoration: none;
  margin-bottom: 22px;
}
.zone-back:hover { color: var(--amber-deep); }
.zone-page-hero .dept-code {
  font-family: "Fraunces", serif;
  font-size: 1.1rem;
  color: var(--amber-deep);
  display: block;
  margin-bottom: 10px;
}
.zone-page-hero h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.zone-page-hero p { margin-top: 16px; color: var(--ink-soft); max-width: 56ch; font-size: 1.05rem; }
.commune-grid {
  padding: 44px 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.commune-item {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 0.98rem;
}
.other-zones {
  padding: 20px 0 72px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.other-zones p { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 14px; }
.other-zones-links { display: flex; gap: 18px; flex-wrap: wrap; }
.other-zones-links a {
  font-size: 0.92rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--ink-soft);
}
.other-zones-links a:hover { color: var(--amber-deep); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { padding: 26px 0 0; border-top: 2px solid var(--amber); }
.step .num { font-family: "Fraunces", serif; font-size: 2.1rem; color: var(--amber-deep); }
.step h3 { margin-top: 10px; font-size: 1.1rem; }
.step p { margin-top: 8px; color: var(--ink-soft); font-size: 0.98rem; }

/* Conventionnement */
.convention {
  background: var(--ink);
  color: var(--paper);
  border-radius: 24px;
  padding: 52px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}
.convention h2 { color: var(--paper); }
.convention .lede { color: #C8D0CC; margin-top: 16px; font-size: 1.02rem; }
.convention-points { display: flex; flex-direction: column; gap: 18px; }
.convention-points .point { display: flex; gap: 14px; align-items: flex-start; }
.convention-points .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--sage); margin-top: 8px; flex-shrink: 0;
}
.convention-points p { color: #DCE3DF; font-size: 0.98rem; }
.convention-note { margin-top: 22px; font-size: 0.85rem; color: #93A19B; }

/* CTA band */
.cta-band { text-align: center; padding: 90px 0; }
.cta-band h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); max-width: 20ch; margin: 0 auto; }
.cta-band .big-call { margin-top: 30px; display: inline-flex; }
.cta-band .secondary-link { display: block; margin-top: 16px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 44px 0 36px; }
.footer-row {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px;
  font-size: 0.92rem; color: var(--ink-soft);
}
.footer-row a { text-decoration: none; color: var(--ink-soft); }
.footer-row a:hover { color: var(--amber-deep); }

@media (max-width: 860px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .hero-art { order: -1; }
  .route-card { padding: 22px; }
  .service-row { grid-template-columns: 1fr; gap: 10px; }
  .dept-hub { grid-template-columns: 1fr 1fr; }
  .commune-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .convention { grid-template-columns: 1fr; padding: 32px; border-radius: 18px; }
  section { padding: 52px 0; }
}
@media (max-width: 560px) {
  .dept-hub { grid-template-columns: 1fr; }
  .commune-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

a:focus-visible, .call-pill:focus-visible {
  outline: 2px solid var(--amber-deep);
  outline-offset: 3px;
}