:root {
  --eau-fond: #EAF1EF;
  --eau-claire: #DCE9E6;
  --lagune: #0E5C58;
  --lagune-sombre: #0A413E;
  --encre: #11302F;
  --sable: #D9C49A;
  --pinasse: #BE4226;
  --uv: #C97B06;
  --blanc: #FDFDFB;
  --rayon: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--eau-fond);
  color: var(--encre);
  font-family: "Atkinson Hyperlegible", sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

/* ---------- Masthead ---------- */

.masthead {
  background: linear-gradient(180deg, var(--eau-claire) 0%, var(--eau-fond) 100%);
  padding: 28px 20px 0;
  text-align: center;
  overflow: hidden;
}

.eyebrow {
  margin: 0;
  font-family: "Spline Sans Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lagune);
}

.masthead h1 {
  font-family: "Fraunces", serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 8vw, 3.2rem);
  margin: 6px 0 2px;
  color: var(--encre);
}

.masthead h1 em {
  font-style: italic;
  color: var(--lagune);
}

.date {
  margin: 0;
  font-family: "Spline Sans Mono", monospace;
  font-size: 14px;
  color: var(--lagune-sombre);
}

.date::first-letter { text-transform: uppercase; }

.horizon { margin: 10px -20px 0; }
.horizon svg { display: block; width: 100%; height: auto; }

.maree-eau { animation: maree 9s ease-in-out infinite alternate; }
@keyframes maree {
  from { transform: translateY(0); }
  to   { transform: translateY(-7px); }
}
@media (prefers-reduced-motion: reduce) {
  .maree-eau { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Cartes ---------- */

main {
  max-width: 660px;
  margin: 0 auto;
  padding: 18px 14px 30px;
  display: grid;
  gap: 16px;
}

.carte {
  background: var(--blanc);
  border-radius: var(--rayon);
  padding: 20px 18px;
  border: 1px solid rgba(14, 92, 88, 0.14);
}

.carte h2 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.35rem;
  margin: 0 0 12px;
  color: var(--lagune-sombre);
}

.carte h3 {
  font-size: 1rem;
  margin: 18px 0 8px;
}

.sous-titre {
  font-family: "Spline Sans Mono", monospace;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--lagune);
  white-space: nowrap;
}

/* ---------- Météo ---------- */

.meteo-grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.meteo-bloc {
  background: var(--eau-claire);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}

.meteo-bloc .valeur {
  font-family: "Spline Sans Mono", monospace;
  font-weight: 600;
  font-size: 1.5rem;
  display: block;
  color: var(--lagune-sombre);
}

.meteo-bloc .label {
  font-size: 0.8rem;
  color: var(--encre);
  opacity: 0.75;
}

.meteo-bloc.uv-eleve .valeur { color: var(--uv); }
.meteo-bloc.uv-extreme .valeur { color: var(--pinasse); }

.conseil-uv {
  margin: 12px 0 0;
  padding: 10px 12px;
  background: rgba(201, 123, 6, 0.1);
  border-left: 3px solid var(--uv);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
}

.chargement, .erreur-meteo {
  font-size: 0.95rem;
  opacity: 0.8;
  grid-column: 1 / -1;
}

.maj-meteo {
  grid-column: 1 / -1;
  font-family: "Spline Sans Mono", monospace;
  font-size: 0.72rem;
  color: var(--lagune);
  margin: 2px 0 0;
}

/* ---------- Marées ---------- */

.cadre-shom {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--eau-claire);
  background: var(--blanc);
  position: relative;
}

.cadre-shom iframe {
  display: block;
  border: 0;
}

.repli {
  font-size: 0.88rem;
  margin: 10px 0 0;
}

.attribution {
  font-size: 0.74rem;
  color: var(--encre);
  opacity: 0.65;
  margin: 10px 0 0;
}

.attribution a { color: inherit; }

.note-securite {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(190, 66, 44, 0.07);
  border-left: 3px solid var(--pinasse);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
}

/* ---------- Baignade ---------- */

.drapeaux {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}

.drapeaux li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.drapeau {
  width: 22px;
  height: 16px;
  border-radius: 2px;
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,0.18);
}

.drapeau::after {
  content: "";
  position: absolute;
  left: -3px;
  top: -3px;
  width: 2px;
  height: 24px;
  background: var(--encre);
  border-radius: 1px;
}

.drapeau.vert { background: #1C8A4E; }
.drapeau.jaune { background: #E8A912; }
.drapeau.rouge { background: var(--pinasse); }
.drapeau.violet { background: #6B3FA0; }

.rappel {
  font-size: 0.88rem;
  margin: 14px 0 0;
  opacity: 0.85;
}

/* ---------- Boutons ---------- */

.bouton {
  display: inline-block;
  background: var(--lagune);
  color: var(--blanc);
  text-decoration: none;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 10px;
  margin: 6px 0 4px;
  transition: background 0.15s ease;
}

.bouton:hover, .bouton:focus-visible { background: var(--lagune-sombre); }

a:focus-visible, summary:focus-visible, .bouton:focus-visible {
  outline: 3px solid var(--uv);
  outline-offset: 2px;
}

/* ---------- Détails sécurité ---------- */

details {
  border: 1px solid var(--eau-claire);
  border-radius: 10px;
  margin-bottom: 8px;
  background: var(--blanc);
}

summary {
  cursor: pointer;
  padding: 13px 14px;
  font-weight: 700;
  list-style: none;
  position: relative;
  padding-right: 36px;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Spline Sans Mono", monospace;
  font-size: 1.2rem;
  color: var(--lagune);
}

details[open] summary::after { content: "−"; }
details[open] summary { border-bottom: 1px solid var(--eau-claire); }

.contenu-detail { padding: 4px 14px 14px; font-size: 0.95rem; }

.avertissement-medical {
  font-size: 0.82rem;
  margin: 14px 0 0;
  opacity: 0.75;
  font-style: italic;
}

/* ---------- Urgences ---------- */

.carte-urgences { background: var(--lagune-sombre); border-color: var(--lagune-sombre); }
.carte-urgences h2 { color: var(--blanc); }
.carte-urgences .hopital { color: var(--eau-claire); font-size: 0.88rem; margin: 12px 0 0; }

.urgences {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}

.urgences a {
  display: flex;
  flex-direction: column;
  background: rgba(253, 253, 251, 0.08);
  border: 1px solid rgba(253, 253, 251, 0.2);
  border-radius: 10px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--blanc);
  transition: background 0.15s ease;
}

.urgences a:hover, .urgences a:focus-visible { background: rgba(253, 253, 251, 0.16); }

.urgences .num {
  font-family: "Spline Sans Mono", monospace;
  font-weight: 600;
  font-size: 1.3rem;
}

.urgences .lib { font-size: 0.78rem; opacity: 0.85; }

/* ---------- Passerelle soins ---------- */

.carte-soins { border-left: 4px solid var(--lagune); }
.bouton-soins { font-size: 0.95rem; }

/* ---------- Footer ---------- */

footer {
  text-align: center;
  padding: 22px 18px 34px;
  font-size: 0.8rem;
  color: var(--lagune-sombre);
}

footer a { color: var(--lagune-sombre); }
footer p { margin: 4px 0; }

/* ---------- Navigation ---------- */

.nav-bassin {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 12px 14px 4px;
  max-width: 660px;
  margin: 0 auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-bassin::-webkit-scrollbar { display: none; }

.nav-bassin a {
  flex-shrink: 0;
  text-decoration: none;
  color: var(--lagune-sombre);
  background: var(--blanc);
  border: 1px solid rgba(14, 92, 88, 0.2);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background 0.15s ease;
}

.nav-bassin a:hover { background: var(--eau-claire); }

.nav-bassin a.actif {
  background: var(--lagune);
  color: var(--blanc);
  border-color: var(--lagune);
}

.masthead-page { padding-bottom: 16px; }

.intro-page {
  font-size: 0.9rem;
  opacity: 0.85;
  margin: 0;
  padding: 0 4px;
}

/* ---------- Listes de bonnes adresses et infos pratiques ---------- */

.adresses {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.adresses li {
  border-left: 3px solid var(--sable);
  padding-left: 12px;
}

.adresses strong { display: block; font-size: 1.02rem; }

.adresse-detail {
  font-size: 0.88rem;
  opacity: 0.8;
}

.conseil-adresse {
  font-size: 0.88rem;
  margin: 14px 0 0;
  opacity: 0.85;
  font-style: italic;
}

.infos-pratiques {
  padding-left: 18px;
  margin: 0;
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
}

/* ---------- Photos ---------- */

.photo {
  margin: 0 0 16px;
}

.photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.photo figcaption {
  font-size: 0.7rem;
  color: var(--encre);
  opacity: 0.55;
  margin-top: 5px;
  text-align: right;
}