/* ==========================================================================
   Erik Pain — Géomètre-expert — style.css
   Pure CSS, responsive, dark-mode ready. Full-viewport shell:
   fixed header, scrolling content, fixed footer.
   ========================================================================== */

/* --- Custom properties ---------------------------------------------------- */
:root {
  --navy:        #14384f;
  --navy-deep:   #0d2637;
  --brass:       #c08a2e;
  --brass-soft:  #e0b464;
  --sage:        #5c7c63;

  --bg:          #ffffff;
  --bg-alt:      #f4f6f8;
  --bg-card:     #ffffff;
  --text:        #1d2a33;
  --text-muted:  #5a6b78;
  --text-heading:#0d2637;
  --border:      #dde3e8;
  --shadow:      rgba(13, 38, 55, 0.07);
  --shadow-hover:rgba(13, 38, 55, 0.16);

  --header-bg:   var(--navy-deep);
  --footer-bg:   var(--navy-deep);
  --on-dark:     rgba(255, 255, 255, 0.82);
  --on-dark-dim: rgba(255, 255, 255, 0.55);

  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: Georgia, 'Iowan Old Style', 'Times New Roman', serif;

  --max-w:     1060px;
  --radius:    10px;
  --transition:0.25s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #101c25;
    --bg-alt:      #16262f;
    --bg-card:     #16262f;
    --text:        #dfe6eb;
    --text-muted:  #9aacb8;
    --text-heading:#f1f5f8;
    --border:      #27404e;
    --shadow:      rgba(0, 0, 0, 0.35);
    --shadow-hover:rgba(0, 0, 0, 0.55);

    --header-bg:   #0a1a25;
    --footer-bg:   #0a1a25;
    --brass:       var(--brass-soft);
  }
}

/* --- Reset & base --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;

  /* Full-viewport shell: only .site-main scrolls. */
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

a { color: var(--brass); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--navy); }

@media (prefers-color-scheme: dark) {
  a:hover { color: #fff; }
}

img, svg { max-width: 100%; height: auto; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { width: 90%; max-width: var(--max-w); margin: 0 auto; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* --- Header (stays at the top of the screen) ------------------------------ */
.site-header {
  flex: none;
  background: var(--header-bg);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 82px;
  padding: 0.85rem 0;
}

/* Placeholder for the official "Ordre des géomètres-experts" emblem.
   Drop the supplied file in images/ and swap the <svg> for an <img>. */
.ordre-logo {
  flex: none;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  color: var(--on-dark-dim);
  font-size: 0.6rem;
  line-height: 1.2;
  text-align: center;
  padding: 4px;
}

.brand { min-width: 0; }

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, 1.9rem);
  font-weight: 400;
  line-height: 1.15;
  color: #fff;
  letter-spacing: 0.01em;
}

.brand-title {
  font-size: clamp(0.85rem, 2.2vw, 1rem);
  color: var(--brass-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.brand a { color: inherit; }
.brand a:hover { color: #fff; }

/* --- Main (the only scrolling area — "curseur pour faire défiler") -------- */
.site-main {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: auto;
  scrollbar-color: var(--brass) var(--bg-alt);
}

.site-main::-webkit-scrollbar { width: 12px; }
.site-main::-webkit-scrollbar-track { background: var(--bg-alt); }
.site-main::-webkit-scrollbar-thumb {
  background: var(--brass);
  border-radius: 6px;
  border: 3px solid var(--bg-alt);
}
.site-main::-webkit-scrollbar-thumb:hover { background: var(--navy); }

.page { padding: 2.5rem 0 3.5rem; }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 400;
  color: var(--text-heading);
  margin-bottom: 0.4rem;
}

.page-intro {
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 62ch;
}

.page-intro p { margin: 0; }
.page-intro:empty { margin-bottom: 0; }

/* --- Prestations grid ----------------------------------------------------- */
.prestations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start; /* sinon une carte ouverte étire sa voisine fermée */
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brass);
  border-radius: var(--radius);
  box-shadow: 0 1px 4px var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px var(--shadow-hover);
}

.card[open] {
  box-shadow: 0 6px 22px var(--shadow-hover);
}

.card > summary {
  cursor: pointer;
  list-style: none;
  padding: 1.35rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.35;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card > summary::-webkit-details-marker { display: none; }

/* Chevron */
.card > summary::after {
  content: '';
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--brass);
  border-bottom: 2px solid var(--brass);
  transform: rotate(45deg);
  transition: transform var(--transition);
}

.card[open] > summary::after { transform: rotate(-135deg); }

.card-body {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Asciidoctor enveloppe chaque paragraphe dans <div class="paragraph">. */
.card-body .paragraph + .paragraph { margin-top: 0.75rem; }
.card-body p { margin: 0; }

.card-note {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card-note strong { color: var(--text-heading); }

/* --- Footer (stays at the bottom of the screen) --------------------------- */
.site-footer {
  flex: none;
  background: var(--footer-bg);
  color: var(--on-dark-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.87rem;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 0.9rem 0;
}

.footer-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 600;
}

.footer-cta::after {
  content: '→';
  color: var(--brass-soft);
  transition: transform var(--transition);
  display: inline-block;
}

.footer-cta:hover { color: var(--brass-soft); }
.footer-cta:hover::after { transform: translateX(3px); }

.footer-legal { color: var(--on-dark-dim); }
.footer-legal:hover { color: #fff; }

/* --- Forms ---------------------------------------------------------------- */
.form {
  max-width: 680px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 1px 4px var(--shadow);
}

.fieldset {
  border: none;
  margin-bottom: 1.75rem;
}

.fieldset > legend {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-heading);
  margin-bottom: 0.9rem;
  padding: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { margin-bottom: 1rem; }

.form-group > label,
.field-label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(192, 138, 46, 0.18);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.hint {
  font-size: 0.79rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.93rem;
}

.choice input { accent-color: var(--brass); }

/* Cadastral reference: 1–2 letters + number */
.cadastre {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
}

.cadastre input[name="cadastre_section"] { text-transform: uppercase; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--navy);
  color: #fff;
}

.btn--primary:hover {
  background: var(--brass);
  color: #fff;
  transform: translateY(-1px);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.93rem;
  display: none;
}

/* --- Legal page ----------------------------------------------------------- */
.legal { max-width: 70ch; }

.legal h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.2rem;
  color: var(--text-heading);
  margin: 2rem 0 0.6rem;
}

.legal .sect1:first-child h2 { margin-top: 0; }

.legal p, .legal ul { color: var(--text-muted); font-size: 0.95rem; }
.legal ul { margin-left: 1.2rem; }
.legal li { margin-bottom: 0.3rem; }

/* Balisage Asciidoctor : sections, paragraphes et listes enveloppés. */
.legal .paragraph + .paragraph,
.legal .paragraph + .ulist,
.legal .ulist + .paragraph { margin-top: 0.75rem; }
.legal li > p { margin: 0; }
.legal .sectionbody > :first-child { margin-top: 0; }

/* Marks content still awaiting the real figures. */
.todo {
  background: rgba(192, 138, 46, 0.12);
  border-left: 3px solid var(--brass);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  font-style: italic;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 760px) {
  .prestations { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form { padding: 1.35rem; }
  .site-header .container { min-height: 70px; gap: 0.9rem; }
  .ordre-logo { width: 46px; height: 46px; font-size: 0.52rem; }
  .site-footer .container { justify-content: center; text-align: center; }
}

/* Very short screens: let the whole page scroll rather than trapping content
   in a sliver of viewport between the fixed header and footer. */
@media (max-height: 420px) {
  body { height: auto; min-height: 100dvh; overflow: visible; }
  .site-main { overflow: visible; }
}