/* ============================================================
   SCENARII & STRATÉGIE — feuille de style unique
   Sobriété numérique : pas de framework, pas de police externe,
   pas de JS requis, poids minimal, HTML sémantique.
   ============================================================ */

:root {
  --ink: #1c211d;
  --paper: #faf8f3;
  --paper-alt: #f1ede2;
  --green: #2f4a3c;
  --green-dark: #1e3129;
  --clay: #b5502f;
  --line: #ddd6c4;
  --muted: #5c6259;
  --max: 74rem;
  --radius: 2px;
  font-size: 100%;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  line-height: 1.6;
  font-size: 1.0625rem;
}

h1, h2, h3, h4 {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-top: 2.2em; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.1em; }

a { color: var(--green); text-decoration-thickness: 1px; }
a:hover { color: var(--clay); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 2px;
}

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.4rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--green-dark);
  color: #fff;
  padding: 0.6em 1em;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  flex-wrap: wrap;
}
.logo {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--green-dark);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.logo span { color: var(--clay); }

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}
.main-nav a {
  text-decoration: none;
  color: var(--ink);
}
.main-nav a[aria-current="page"] {
  color: var(--clay);
  font-weight: 600;
}

.btn {
  display: inline-block;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65em 1.3em;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green-dark);
  color: #fff;
}
.btn-primary:hover { background: var(--clay); color: #fff; }
.btn-outline {
  border-color: var(--green-dark);
  color: var(--green-dark);
  background: transparent;
}
.btn-outline:hover { border-color: var(--clay); color: var(--clay); }

/* Hero */
.hero {
  padding: 3.5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}
.hero .kicker {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--clay);
  font-weight: 700;
  margin-bottom: 0.9em;
}
.hero .lede {
  font-size: 1.15rem;
  max-width: 42rem;
  color: var(--muted);
}
.hero .cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

/* Sections */
.section {
  padding: 3rem 0;
}
.section-alt {
  background: var(--paper-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-narrow { max-width: 46rem; margin: 0 auto; }

.grid-3 {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 2rem;
}
.card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.6rem;
  border-radius: var(--radius);
}
.card h3 { margin-top: 0; }
.card .card-cta { display: inline-block; margin-top: 0.8em; font-weight: 600; }

blockquote {
  border-left: 3px solid var(--clay);
  margin: 0;
  padding: 0.2rem 0 0.2rem 1.2rem;
  font-style: italic;
  color: var(--green-dark);
}
blockquote footer {
  margin-top: 0.6em;
  font-style: normal;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--green-dark);
}
.faq summary::marker { color: var(--clay); }
.faq p { margin-top: 0.8em; }

.breadcrumb {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 1rem 0 0;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb ol { list-style: none; display: flex; gap: 0.4rem; margin: 0; padding: 0; flex-wrap: wrap; }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 0.4rem; }

.credentials {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}
.credentials li::before { content: "— "; color: var(--clay); }

.timeline {
  list-style: none;
  margin: 1.6rem 0;
  padding: 0;
  border-left: 2px solid var(--line);
}
.timeline li {
  padding: 0 0 1.4rem 1.4rem;
  position: relative;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clay);
}
.timeline .year {
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 700;
  color: var(--green-dark);
  display: block;
}

table.contact-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4rem 0;
}
table.contact-table th, table.contact-table td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer .footer-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}
.site-footer ul {
  list-style: none;
  margin: 0.6em 0 0;
  padding: 0;
}
.site-footer li { margin-bottom: 0.4em; }
.site-footer a { color: var(--muted); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
}
.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Formulaire de contact */
.form-row {
  margin-bottom: 1.1rem;
}
.form-row label {
  display: block;
  font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 0.35em;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.6em 0.7em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--green-dark);
  outline-offset: 1px;
}
.form-hint {
  font-size: 0.85rem;
  color: var(--muted);
}
.form-notice {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1.4rem;
}
.form-notice.success { border-color: var(--green-dark); background: var(--paper-alt); }
.form-notice.error { border-color: var(--clay); background: var(--paper-alt); }

/* Champ piège anti-spam : invisible pour un humain, souvent rempli par un robot */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 40rem) {
  .site-header .container { flex-direction: column; align-items: flex-start; }
}