/* ============================================================
   SINAXIA — feuille de style complémentaire à Tailwind Play CDN
   Palette, composants, animations sobres, accessibilité.
   ============================================================ */

:root {
  --ink-900: #0a2028;
  --ink-800: #0e2a32;
  --ink-700: #143740;
  --ink-600: #1d484f;
  --ink-400: #5c888d;
  --ink-200: #c4d8da;
  --ink-100: #e1eded;
  --ink-50: #f2f7f7;
  --eau-500: #12a79e;
  --eau-600: #0c8b84;
  --eau-700: #0c7f79;
  --eau-100: #d3f3ef;
  --eau-50: #ecfaf8;
  --sable-100: #f7f3ec;
  --sable-300: #e8dfd1;
  --ambre-500: #c97a2b;
  --blanc: #fcfdfd;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--blanc);
  color: var(--ink-900);
  font-feature-settings: "ss01" 1;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: var(--eau-100);
  color: var(--ink-900);
}

/* ---------- Focus visible (accessibilité) ---------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--eau-600);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  font-family: "Instrument Sans", system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease,
    transform 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--eau-500);
  color: var(--ink-900);
}

.btn-primary:hover {
  background-color: var(--eau-600);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--ink-200);
  color: var(--ink-900);
}

.btn-outline:hover {
  border-color: var(--ink-900);
  background-color: var(--ink-50);
}

.btn-dark {
  background-color: var(--ink-900);
  color: #ffffff;
}

.btn-dark:hover {
  background-color: var(--ink-700);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Header au scroll ---------- */
#site-header.is-scrolled {
  box-shadow: 0 10px 30px -24px rgba(10, 32, 40, 0.65);
}

/* ---------- Navigation ---------- */
.nav-link {
  position: relative;
  padding-bottom: 4px;
  transition: color 160ms ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background-color: var(--eau-500);
  transition: width 220ms ease;
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--ink-900);
}

.dropdown-panel {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.dropdown-trigger:hover .dropdown-panel,
.dropdown-trigger:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (hover: none) {
  .dropdown-trigger:hover .dropdown-panel {
    opacity: 0;
    visibility: hidden;
  }
}

/* ---------- Révélation au scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn:hover {
    transform: none;
  }
}

/* ---------- Cartes ---------- */
.card {
  background-color: #ffffff;
  border: 1px solid var(--ink-200);
  border-radius: 2px;
  transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease;
}

@media (hover: hover) and (min-width: 768px) {
  .card-hover:hover {
    box-shadow: 0 18px 34px -24px rgba(10, 32, 40, 0.55);
    transform: translateY(-2px);
    border-color: var(--ink-400);
  }
}

/* ---------- Contenu rédactionnel ---------- */
.prose-sinaxia > * + * {
  margin-top: 1.15rem;
}

.prose-sinaxia h2 {
  margin-top: 2.6rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.75rem;
  line-height: 1.25;
  font-weight: 600;
  color: var(--ink-900);
}

.prose-sinaxia h3 {
  margin-top: 2rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.3rem;
  line-height: 1.3;
  font-weight: 600;
  color: var(--ink-700);
}

.prose-sinaxia p,
.prose-sinaxia li {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-600);
}

.prose-sinaxia ul {
  list-style: none;
  padding-left: 0;
}

.prose-sinaxia ul > li {
  position: relative;
  padding-left: 1.5rem;
  margin-top: 0.55rem;
}

.prose-sinaxia ul > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--eau-500);
}

.prose-sinaxia a {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--eau-500);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.prose-sinaxia a:hover {
  background-color: var(--eau-50);
}

.prose-sinaxia strong {
  color: var(--ink-900);
  font-weight: 600;
}

.prose-sinaxia blockquote {
  border-left: 3px solid var(--eau-500);
  padding: 0.25rem 0 0.25rem 1.25rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--ink-700);
}

/* ---------- Tableaux ---------- */
.table-sinaxia {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table-sinaxia caption {
  text-align: left;
  font-size: 0.8125rem;
  color: var(--ink-400);
  padding-bottom: 0.75rem;
}

.table-sinaxia th,
.table-sinaxia td {
  border-bottom: 1px solid var(--ink-200);
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
}

.table-sinaxia thead th {
  background-color: var(--ink-50);
  font-family: "Instrument Sans", system-ui, sans-serif;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-600);
}

.table-sinaxia tbody tr:hover {
  background-color: var(--ink-50);
}

/* ---------- FAQ (details/summary) ---------- */
.faq-item {
  border-bottom: 1px solid var(--ink-200);
}

.faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  padding: 1.15rem 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.075rem;
  font-weight: 600;
  color: var(--ink-900);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: none;
  font-family: "Instrument Sans", system-ui, sans-serif;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--eau-600);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding-bottom: 1.25rem;
  max-width: 62ch;
  color: var(--ink-600);
  line-height: 1.7;
}

/* ---------- Formulaires ---------- */
.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 0.4rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background-color: #ffffff;
  border: 1px solid var(--ink-200);
  border-radius: 2px;
  font-size: 1rem;
  color: var(--ink-900);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--eau-500);
  box-shadow: 0 0 0 3px var(--eau-50);
  outline: none;
}

.field-hint {
  font-size: 0.8125rem;
  color: var(--ink-400);
}

/* ---------- Divers ---------- */
.kicker {
  font-family: "Instrument Sans", system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--eau-700);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--ink-900);
}

.arrow-link svg {
  transition: transform 180ms ease;
}

.arrow-link:hover svg {
  transform: translateX(3px);
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(10, 32, 40, 0.82) 0%, rgba(10, 32, 40, 0.6) 45%, rgba(10, 32, 40, 0.92) 100%);
}

.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--ink-200);
}

@media (min-width: 768px) {
  .timeline::before {
    left: 23px;
  }
}

.timeline-dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  background-color: var(--eau-500);
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  color: var(--ink-900);
}

@media (min-width: 768px) {
  .timeline-dot {
    width: 48px;
    height: 48px;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink-900);
  color: #ffffff;
  padding: 0.75rem 1rem;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}