/* Tortue — site public. Feuille de style unique, sans dépendance. */
:root {
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --teal-light: #5eead4;
  --teal-bg: #f0fdfa;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --radius: 18px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.08rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.kicker { display: block; font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); margin-bottom: .6em; }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 1.15rem; }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.nav { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.nav a { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--teal); }
.nav .btn { color: #fff; }
@media (max-width: 760px) { .nav a.hide-sm { display: none; } .nav { gap: 14px; } }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 14px; font-weight: 700; text-decoration: none; border: 0; cursor: pointer; font-size: 1rem; transition: transform .15s ease, background .15s ease; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 8px 24px -8px rgba(13,148,136,.6); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-dark { background: #000; color: #fff; }
.btn-dark small { display: block; font-size: .65rem; font-weight: 500; opacity: .75; line-height: 1; }
.btn-dark span { text-align: left; line-height: 1.15; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: .9rem; border-radius: 12px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Accroche */
.hero { background: linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #134e4a 100%); color: #fff; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--teal-light); }
.hero p.lead { font-size: 1.15rem; color: #cbd5e1; max-width: 560px; }
.pill { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.1); color: #99f6e4; font-size: .8rem; font-weight: 600; margin-bottom: 18px; }
.hero .note { margin-top: 16px; font-size: .85rem; color: #94a3b8; }
.phone { width: 290px; max-width: 80%; margin: 0 auto; border-radius: 36px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); outline: 1px solid rgba(255,255,255,.1); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; text-align: center; padding-top: 48px; padding-bottom: 56px; } .hero p.lead { margin-left: auto; margin-right: auto; } .hero .btn-row { justify-content: center; } }

/* Sections */
.section { padding: 80px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
@media (max-width: 640px) { .section { padding: 56px 0; } }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.step-num { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 800; align-items: center; justify-content: center; margin-bottom: 12px; }
.feature { display: flex; gap: 14px; }
.feature .ico { flex: 0 0 44px; height: 44px; border-radius: 12px; background: var(--teal-bg); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }

/* Feu du jour */
.light { border-radius: var(--radius); padding: 22px; border: 1px solid; }
.light h3 { display: flex; align-items: center; gap: 10px; }
.light h3::before { content: ""; width: 16px; height: 16px; border-radius: 50%; background: currentColor; }
.light p { margin: 0; color: var(--text); font-size: .95rem; }
.light.green { background: #f0fdfa; border-color: #99f6e4; } .light.green h3::before { background: #14b8a6; }
.light.orange { background: #fffbeb; border-color: #fde68a; } .light.orange h3::before { background: var(--amber); }
.light.red { background: #fff1f2; border-color: #fecdd3; } .light.red h3::before { background: var(--rose); }
.science { margin-top: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; font-size: .95rem; }

/* Aperçus */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.shots img { border-radius: 26px; box-shadow: 0 16px 32px -16px rgba(15,23,42,.35); outline: 1px solid var(--line); }
@media (max-width: 860px) { .shots { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; margin: 0 -20px; padding-left: 20px; padding-right: 20px; } .shots img { width: 220px; flex: 0 0 auto; scroll-snap-align: center; } }

/* Équipe */
.team-runners { display: grid; grid-template-columns: repeat(2, minmax(0, 300px)); gap: 18px; justify-content: center; }
.team-others { display: grid; grid-template-columns: repeat(3, minmax(0, 200px)); gap: 14px; justify-content: center; margin-top: 18px; }
.member { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 16px; text-align: center; }
.member.runner { border: 2px solid #99f6e4; }
.member img.photo { border-radius: 50%; margin: 0 auto 12px; object-fit: cover; }
.member strong { display: block; color: var(--ink); }
.member span { display: block; font-size: .85rem; color: var(--muted); margin-top: 4px; }
.member .badge { height: 18px; width: auto; margin: 10px auto 0; }
.label { text-align: center; font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
@media (max-width: 640px) { .team-runners { grid-template-columns: 1fr 1fr; } .team-others { grid-template-columns: 1fr 1fr 1fr; gap: 8px; } .member { padding: 14px 8px; } .member span { font-size: .75rem; } }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.faq details { border-top: 1px solid var(--line); padding: 18px 22px; }
.faq details:first-child { border-top: 0; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--text); }

/* Appel final + pied de page */
.cta-band { background: linear-gradient(135deg, #0f172a, #134e4a); color: #fff; text-align: center; padding: 72px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #cbd5e1; }
.cta-band .btn-row { justify-content: center; margin-top: 24px; }
.site-footer { background: #0b1220; color: #94a3b8; font-size: .875rem; padding: 36px 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
.site-footer a { color: #cbd5e1; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.disclaimer { font-size: .8rem; color: #94a3b8; max-width: 640px; margin: 28px auto 0; }

/* Article / page de contenu */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 56px 0 40px; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 720px; }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--muted); }
.prose { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; font-size: 1.05rem; }
.prose h2 { font-size: 1.6rem; margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: .35em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: .95rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.prose th { background: var(--bg-soft); color: var(--ink); }
.prose blockquote { margin: 1.2em 0; padding: 12px 18px; border-left: 4px solid var(--teal); background: var(--teal-bg); border-radius: 0 12px 12px 0; }
.prose .callout { background: var(--teal-bg); border: 1px solid #99f6e4; border-radius: var(--radius); padding: 20px 22px; margin: 2em 0; }
.prose .callout p:last-child { margin-bottom: 0; }
.article-meta { font-size: .9rem; color: var(--muted); }
.post-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.post { display: block; text-decoration: none; color: inherit; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: border-color .15s ease, transform .15s ease; }
.post:hover { border-color: #99f6e4; transform: translateY(-2px); }
.post h3 { margin-bottom: .4em; }
.post p { color: var(--muted); font-size: .95rem; margin: 0; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--teal-dark); background: var(--teal-bg); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px; }