:root {
  --stone: #EAE4D6;
  --stone-dim: #DCD4C2;
  --pine: #47563A;
  --pine-deep: #333F29;
  --ochre: #C17A3D;
  --ochre-deep: #A6602A;
  --sky: #5B85A6;
  --sun: #D9A441;
  --ink: #2E2B22;
  --ink-soft: #55503F;
  --paper: #F5F1E7;

  --font-display: 'Bitter', Georgia, serif;
  --font-body: 'Work Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --rayon: 10px;
  --ombre: 0 10px 26px rgba(46, 43, 34, 0.16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

a { color: var(--ochre-deep); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: min(78vh, 620px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--pine-deep);
}

.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(30, 33, 20, 0.55) 0%, rgba(30, 33, 20, 0.18) 38%, rgba(30, 33, 20, 0.72) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem 4.5rem;
  color: var(--paper);
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sun);
  margin: 0 0 0.9rem;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.98;
  margin: 0 0 0.7rem;
  letter-spacing: -0.01em;
  text-shadow: 0 4px 18px rgba(0,0,0,0.35);
}

.hero__tagline {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 40ch;
  margin: 0;
  color: #EFE9DA;
}

.hero__ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 60px;
  z-index: 2;
  fill: var(--stone);
}

/* ---------- Intro ---------- */

.intro {
  max-width: 720px;
  margin: 3.2rem auto 1rem;
  padding: 0 1.5rem;
  text-align: center;
}

.intro p {
  color: var(--ink-soft);
  font-size: 1.08rem;
}

/* ---------- Liste des randonnées ---------- */

.liste {
  max-width: 1080px;
  margin: 2rem auto 5rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.8rem;
}

.liste__chargement,
.liste__vide,
.liste__erreur {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 2rem 0;
}

.carte {
  background: var(--paper);
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: var(--ombre);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(46,43,34,0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.carte:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(46, 43, 34, 0.22);
}

.carte__vignette-lien { display: block; line-height: 0; }

.carte__vignette {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border-bottom: 3px solid var(--ochre);
}

.carte__corps {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.carte__titre {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  margin: 0;
  color: var(--pine-deep);
  line-height: 1.2;
}

.carte__meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0 0 0.4rem;
  letter-spacing: 0.01em;
}

.carte__liens {
  margin-top: auto;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.bouton {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.bouton--visite {
  background: var(--pine);
  color: var(--paper);
}
.bouton--visite:hover { background: var(--pine-deep); }

.bouton--fichier {
  background: transparent;
  color: var(--ochre-deep);
  border: 1.5px solid var(--ochre);
}
.bouton--fichier:hover { background: var(--ochre); color: var(--paper); }

/* ---------- Pied de page ---------- */

.pied {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 2rem 1.5rem 3rem;
}

.pied a { color: var(--ink-soft); }

/* ---------- Accessibilité / mobile ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .carte { transition: none; }
}

@media (max-width: 560px) {
  .hero { min-height: 60vh; }
  .hero__content { padding-bottom: 3.2rem; }
  .liste { grid-template-columns: 1fr; }
}