/* ============================================================
   VITI-Gest — feuille de style partagée
   Identité : carnet de vigne / plan cadastral, pas "vitrine œnotourisme".
   Palette pierre calcaire + vert-vigne + bleu-ardoise (Léman), sobre.
   ============================================================ */

:root {
  /* Couleurs */
  --color-bg: #EEF0E7;
  --color-bg-alt: #E4E7DA;
  --color-paper: #FBFAF6;
  --color-ink: #202822;
  --color-ink-soft: #4B564C;
  --color-vine: #3F5B3A;
  --color-vine-dark: #2E4429;
  --color-lake: #4C6472;
  --color-line: #C9CDBE;

  /* Typo */
  --font-head: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Rythme */
  --wrap: 1080px;
  --radius: 3px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.8rem); }
h3 { font-size: 1.1rem; }

p { margin: 0 0 1em; color: var(--color-ink-soft); max-width: 62ch; }

a { color: var(--color-vine-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-lake);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 0.7em 1.4em;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--color-vine); color: var(--color-paper); }
.btn-primary:hover { background: var(--color-vine-dark); }
.btn-outline { border-color: var(--color-ink); color: var(--color-ink); background: transparent; }
.btn-outline:hover { background: var(--color-ink); color: var(--color-paper); }
.btn-ghost { color: var(--color-ink); text-decoration: none; font-weight: 600; }
.btn-ghost:hover { color: var(--color-vine-dark); }

/* En-tête */
.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.wordmark {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.wordmark-accent { color: var(--color-vine); }

/* Pied de page */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 28px 0 40px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}
.footer-inner nav a { margin-left: 20px; color: var(--color-ink-soft); text-decoration: none; }
.footer-inner nav a:first-child { margin-left: 0; }
.footer-inner nav a:hover { color: var(--color-vine-dark); }

/* ---------- Page d'accueil ---------- */

.hero { padding: 64px 0 56px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.lede { font-size: 1.1rem; max-width: 48ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 1.6em; }
.hero-figure svg { width: 100%; height: auto; }

.modules { padding: 48px 0 56px; background: var(--color-bg-alt); }
.ledger { list-style: none; margin: 28px 0 0; padding: 0; }
.ledger-item {
  border-top: 1px solid var(--color-line);
  padding: 22px 0;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
}
.ledger-item:last-child { border-bottom: 1px solid var(--color-line); }
.ledger-item h3 { margin: 0; }
.ledger-item p { margin: 0; max-width: 56ch; }

.demo-banner { padding: 48px 0; }
.demo-banner-inner {
  border: 1px solid var(--color-line);
  background: var(--color-paper);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}
.demo-banner-inner h2 { margin-bottom: 0.3em; }
.demo-banner-inner p { margin: 0; }

.access { padding: 8px 0 64px; }
.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.access-form { display: flex; flex-direction: column; gap: 6px; }
.access-form label { font-size: 0.85rem; font-weight: 600; margin-top: 12px; }
.access-form input, .access-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6em 0.7em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-paper);
  color: var(--color-ink);
}
.access-form button { margin-top: 20px; align-self: flex-start; }
.form-note { font-size: 0.85rem; margin-top: 14px; color: var(--color-ink-soft); }

@media (max-width: 760px) {
  .hero-inner, .access-inner { grid-template-columns: 1fr; }
  .hero-figure { order: -1; max-width: 320px; margin: 0 auto; }
  .ledger-item { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Page démo ---------- */

.demo-flag {
  background: var(--color-ink);
  color: var(--color-paper);
  text-align: center;
  font-size: 0.9rem;
  padding: 10px 16px;
}
.demo-flag a { color: var(--color-paper); text-decoration: underline; margin-left: 10px; }

.demo-header { border-bottom: 1px solid var(--color-line); padding: 22px 0 0; }
.demo-header .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 20px; }
.demo-title { margin: 0; }
.demo-subtitle { margin: 0 0 18px; color: var(--color-ink-soft); font-size: 0.95rem; }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-line);
  margin-top: 18px;
  overflow-x: auto;
}
.tab-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  background: none;
  border: none;
  padding: 12px 18px;
  color: var(--color-ink-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--color-ink); }
.tab-btn[aria-selected="true"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-vine);
}

.tab-panel { display: none; padding: 32px 0 64px; }
.tab-panel.active { display: block; }

table { width: 100%; border-collapse: collapse; background: var(--color-paper); }
caption { text-align: left; margin-bottom: 12px; color: var(--color-ink-soft); font-size: 0.9rem; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-line); font-size: 0.95rem; }
th { font-family: var(--font-head); font-weight: 600; color: var(--color-ink); border-bottom: 2px solid var(--color-ink); }
tbody tr:hover { background: var(--color-bg-alt); }

/* ---------- Page mentions légales ---------- */

.legal { padding: 56px 0 72px; max-width: 68ch; margin: 0 auto; }
.legal h2 { margin-top: 1.6em; }