:root {
    --vert: #6aa591;
    --vert-clair: #a3c9bb;
    --vert-pale: #eaf2ee;
    --anthracite: #2b3d41;
    --anthra-soft: #3d545a;
    --sable: #f6f4ef;
    --blanc: #ffffff;
    --accent: #d9a441;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "Helvetica Neue", Arial, system-ui, sans-serif;
    background: var(--sable);
    color: var(--anthracite);
    line-height: 1.6;
  }
  h1, h2, h3 { letter-spacing: -0.02em; }

  /* NAV */
  nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(43,61,65,0.92); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 5vw;
  }
  nav .logo { color: #fff; font-weight: 800; font-size: 16px; letter-spacing: 0.02em; display: flex; align-items: center; gap: 10px; }
  nav .logo span { color: var(--vert); }
  .logo-svg { display: inline-block; flex: none; }
  nav ul { display: flex; gap: 26px; list-style: none; flex-wrap: wrap; }
  nav a { color: #cfdad6; text-decoration: none; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; transition: color .2s; }
  nav a:hover { color: var(--vert-clair); }
  nav .cta {
    background: var(--vert); color: #fff; padding: 9px 18px; border-radius: 999px;
    font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  }
  nav .cta:hover { background: var(--vert-clair); color: var(--anthracite); }

  /* HERO */
  header.hero {
    background: linear-gradient(160deg, var(--anthracite) 0%, var(--anthra-soft) 100%);
    color: #fff; padding: 90px 5vw 80px; position: relative; overflow: hidden;
  }
  header.hero svg.trail { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
  .hero-inner { position: relative; max-width: 1100px; margin: 0 auto; }
  .kicker {
    font-size: 12px; letter-spacing: 0.35em; text-transform: uppercase;
    color: var(--vert-clair); font-weight: 700; margin-bottom: 16px;
  }
  .hero h1 { font-size: clamp(38px, 6vw, 64px); font-weight: 800; line-height: 1.05; }
  .hero h1 span { color: var(--vert); }
  .hero .sub { color: #c4cfd0; max-width: 560px; margin-top: 18px; font-size: 16px; }
  .dict {
    margin-top: 30px; max-width: 520px; background: rgba(255,255,255,0.06);
    border: 1px solid rgba(163,201,187,0.25); border-radius: 12px; padding: 18px 22px;
    font-size: 13.5px; color: #c4cfd0;
  }
  .dict .word { font-family: Georgia, serif; font-style: italic; font-size: 17px; color: #fff; font-weight: 700; }
  .dict .nature { font-style: italic; color: #9fb0ae; margin-left: 8px; }
  .dict .pron { color: #9fb0ae; margin-left: 4px; }
  .dict .def { display: block; margin-top: 8px; line-height: 1.6; }
  .dict .def b { color: #a3c9bb; }
  .dict .etym { display: block; margin-top: 6px; font-size: 12px; color: #8aa0a6; }
  .dict .etym i { font-family: Georgia, serif; }
  .hero .btns { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
  .btn {
    display: inline-block; text-decoration: none; border-radius: 999px;
    padding: 12px 26px; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  }
  .btn-primary { background: var(--vert); color: #fff; }
  .btn-primary:hover { background: var(--vert-clair); color: var(--anthracite); }
  .btn-ghost { border: 2px solid rgba(255,255,255,0.35); color: #fff; }
  .btn-ghost:hover { border-color: var(--vert); color: var(--vert-clair); }
  .hero .stats {
    display: flex; gap: 40px; margin-top: 52px; flex-wrap: wrap;
  }
  .hero .stat b { display: block; font-size: 30px; font-weight: 800; color: var(--vert-clair); }
  .hero .stat span { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: #9fb0ae; }

  /* SECTIONS */
  section { padding: 72px 5vw; }
  section > .wrap { max-width: 1100px; margin: 0 auto; }
  h2.section-title {
    font-size: 13px; letter-spacing: 0.3em; text-transform: uppercase;
    color: var(--anthra-soft); border-bottom: 1px solid #dcd8cf;
    padding-bottom: 10px; margin-bottom: 36px; font-weight: 700;
  }
  h2.section-title b { color: var(--vert); margin-right: 10px; }

  /* ABOUT */
  .about { background: var(--blanc); }
  .about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 44px; align-items: start; }
  .about h3 { font-size: 32px; font-weight: 800; line-height: 1.15; }
  .about h3 em { font-family: Georgia, serif; font-style: italic; font-weight: 400; color: var(--vert); font-size: 26px; }
  .about p { color: var(--anthra-soft); margin-top: 18px; font-size: 15px; }
  .about .quote {
    background: var(--vert-pale); border-radius: 14px; padding: 28px;
    font-family: Georgia, serif; font-style: italic; font-size: 19px; line-height: 1.5;
  }
  .about .quote small {
    display: block; font-family: "Helvetica Neue", Arial, sans-serif; font-style: normal;
    font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--vert);
    font-weight: 700; margin-top: 14px;
  }

  /* SORTIES cards */
  .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .card {
    background: #fff; border-radius: 14px; padding: 28px;
    box-shadow: 0 4px 14px rgba(43,61,65,.08);
  }
  .card .tag { font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--vert); font-weight: 700; margin-bottom: 12px; }
  .card h3 { font-size: 22px; font-weight: 800; }
  .card p { font-size: 13.5px; color: var(--anthra-soft); margin-top: 10px; }
  .card .meta { margin-top: 18px; padding-top: 14px; border-top: 1px solid #eceae4; font-size: 12px; color: var(--anthra-soft); display: flex; justify-content: space-between; }
  .card .meta b { color: var(--anthracite); }
  .card.dark { background: var(--anthracite); color: #fff; }
  .card.dark h3 { color: #fff; }
  .card.dark p { color: #b7c6c4; }
  .card.dark .meta { border-top-color: #3d545a; color: #9fb0ae; }
  .card.dark .meta b { color: #fff; }
  .card.sage { background: var(--vert); color: #fff; }
  .card.sage h3 { color: #fff; }
  .card.sage p { color: #e6f1ec; }
  .card.sage .meta { border-top-color: rgba(255,255,255,.25); color: #d8e7e0; }
  .card.sage .meta b { color: #fff; }
  .card .pill {
    display: inline-block; margin-top: 16px; background: var(--vert-pale); color: var(--vert);
    border-radius: 999px; padding: 6px 14px; font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  }
  .card.dark .pill { background: var(--vert); color: #fff; }

  /* AGENDA */
  .agenda { background: var(--blanc); }
  .agenda-list { display: grid; gap: 12px; }
  .event {
    display: grid; grid-template-columns: 90px 1fr auto; gap: 20px; align-items: center;
    background: var(--sable); border-radius: 12px; padding: 18px 22px;
  }
  .event .date b { display: block; font-size: 26px; font-weight: 800; color: var(--vert); }
  .event .date span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--anthra-soft); }
  .event .info h3 { font-size: 16px; font-weight: 800; }
  .event .info p { font-size: 13px; color: var(--anthra-soft); }
  .event .lvl {
    font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 700;
    padding: 6px 14px; border-radius: 999px; border: 1.5px solid var(--vert); color: var(--vert); white-space: nowrap;
  }

  /* JOIN CTA */
  .join {
    background: linear-gradient(160deg, var(--vert) 0%, #4f8a76 100%);
    color: #fff; text-align: center;
  }
  .join h3 { font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; letter-spacing: -0.02em; }
  .join p { max-width: 540px; margin: 16px auto 28px; color: #e6f1ec; font-size: 15px; }
  .join .btn { background: #fff; color: var(--anthracite); }
  .join .btn:hover { background: var(--vert-pale); }

  /* FOOTER */
  footer { background: var(--anthracite); color: #9fb0ae; padding: 40px 5vw; }
  footer .wrap { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
  footer .logo { color: #fff; font-weight: 800; }
  footer .logo span { color: var(--vert); }
  footer a { color: #9fb0ae; text-decoration: none; margin-left: 18px; font-size: 13px; }
  footer a:hover { color: var(--vert-clair); }
  footer .insta { color: var(--vert); font-weight: 700; }

  @media (max-width: 900px) {
    nav ul { display: none; }
    .about-grid, .cards, .routes { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .event { grid-template-columns: 70px 1fr; }
    .event .lvl { display: none; }
  }