/* Anne Lieutaud – feuille de style du site statique */
:root{
  --ink:#23303a; --muted:#5d6a73; --bg:#fbf9f6; --surface:#ffffff; --alt:#f2eee8;
  --accent:#1f6390; --accent-dark:#164a6c; --accent-soft:#e7f0f6; --line:#e4ded6;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius:10px; --shadow:0 1px 2px rgba(35,48,58,.06),0 6px 18px rgba(35,48,58,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:normal;line-height:1.25;color:var(--ink);margin:1.6em 0 .5em}
h1{font-size:clamp(1.9rem,4vw,2.6rem);margin-top:0}
h2{font-size:clamp(1.4rem,3vw,1.75rem)}
h3{font-size:1.25rem}
h4{font-size:1.12rem} h5{font-size:1rem}
p{margin:0 0 1em}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:100}

/* header */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--serif);font-size:1.55rem}
.brand-tag{font-size:.82rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.nav-toggle{display:none;font:inherit;font-size:.95rem;background:none;border:1px solid var(--line);border-radius:6px;padding:6px 14px;color:var(--ink);cursor:pointer}
.menu,.sub{list-style:none;margin:0;padding:0}
.menu{display:flex;gap:4px}
.menu>li{position:relative}
.menu a{display:block;text-decoration:none;color:var(--ink);font-size:.95rem;padding:10px 12px;border-radius:6px}
.menu>li>a.is-active{color:var(--accent)}
.menu a:hover,.menu a[aria-current=page]{color:var(--accent)}
.has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;margin-left:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.sub{position:absolute;left:0;top:100%;min-width:270px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub a{padding:8px 12px}
.sub a:hover{background:var(--accent-soft)}
.menu>li:last-child .sub{left:auto;right:0}

@media (max-width:900px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);max-height:calc(100vh - 76px);overflow:auto}
  .site-nav.open{display:block}
  .menu{flex-direction:column;padding:8px 20px 18px}
  .sub{position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;padding:0 0 6px 14px;min-width:0}
  .has-sub>a::after{display:none}
}

/* buttons & links */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-size:.98rem;border:1px solid var(--accent)}
.btn:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);color:var(--accent-dark)}
.link-arrow{font-weight:600;text-decoration:none;color:var(--accent)}
.link-arrow::after{content:" →"}
.kicker{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;color:var(--muted);margin:0 0 .6em}
.kicker a{color:var(--muted);text-decoration:none}
.kicker a:hover{color:var(--accent)}
.lead{font-size:1.15rem;color:var(--muted)}
.center{text-align:center}
.lead.center{max-width:720px;margin:0 auto 2em}

/* home */
.hero{background:linear-gradient(180deg,var(--accent-soft),var(--bg));padding:64px 0 56px}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.1rem,5vw,3.2rem)}
.hero .lead{font-size:1.1rem}
.hero .h1-sub{display:block;margin-top:.35em;font-style:italic;font-family:var(--serif);font-size:1.3rem;font-weight:400;line-height:1.4;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-img{margin:0}
.hero-img img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.section{padding:64px 0}
.section.alt{background:var(--alt)}
.section-title{text-align:center;margin:0 0 1.4em}
.band{background:var(--accent);color:#fff;padding:56px 0}
.band h2{color:#fff;margin-top:0}
.band a{color:#fff}
.band .link-arrow{color:#fff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{padding-left:26px;position:relative;margin:.25em 0}
.ticks li::before{content:"";position:absolute;left:4px;top:.72em;width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.75)}
.mods{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.mod{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.mod img{aspect-ratio:3/2;object-fit:cover;width:100%}
.mod span{display:block;padding:12px 14px;font-family:var(--serif);font-size:1.05rem;line-height:1.3}
a.mod:hover span{color:var(--accent)}
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.offers.two{grid-template-columns:1fr 1fr}
.offer{display:block;background:var(--surface);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);text-decoration:none;color:var(--ink)}
.offer h3{margin-top:0;color:var(--accent)}
.offer p{color:var(--muted)}
.offer.place{padding:0;overflow:hidden}
.offer.place img{width:100%;aspect-ratio:4/3;object-fit:cover}
.offer.place p{padding:16px 20px 4px;color:var(--ink)}
a.offer:hover h3{text-decoration:underline}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
.feature h2{margin-top:0}
.research{background:var(--surface)}
.cta{margin-top:36px;background:var(--accent-soft);border-radius:var(--radius);padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta p{margin:0;font-family:var(--serif);font-size:1.15rem}

/* cards */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin-bottom:28px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:var(--ink)}
.post-card-img img,.card-ph{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.card-ph{background:linear-gradient(135deg,var(--accent-soft),var(--alt))}
.post-card-body{padding:20px 22px 24px}
.post-card h3{margin:0 0 .5em;font-size:1.2rem}
.post-card p{color:var(--muted);font-size:.95rem}
.post-card:hover h3{color:var(--accent)}

/* articles */
.article{padding:48px 20px 64px}
.list-page{padding:48px 20px 64px}
.list-page .article-head{max-width:760px}
.article-head{margin-bottom:28px}
.article-hero{margin:0 0 32px}
.article-hero img{width:100%;border-radius:var(--radius);max-height:440px;object-fit:cover}
.prose img{border-radius:6px;margin:1.2em auto}
.prose figure{margin:1.5em 0}
.prose figcaption{font-size:.85rem;color:var(--muted);text-align:center}
.prose blockquote{margin:1.5em 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent);font-family:var(--serif);font-style:italic;font-size:1.1rem;color:#3c4a54}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin:.3em 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.video{position:relative;aspect-ratio:16/9;margin:1.4em 0;border-radius:8px;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.contact-box{margin-top:48px;padding:26px 28px;background:var(--accent-soft);border-radius:var(--radius)}
.contact-box h2{margin-top:0;font-size:1.35rem}
.contact-lines{display:flex;flex-wrap:wrap;gap:8px 28px;font-weight:600;margin:0}
.contact-lines a{text-decoration:none}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:24px}
.card{background:var(--surface);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h2{font-size:1.1rem;margin:0 0 .6em;color:var(--muted)}
.big{font-size:1.2rem;font-weight:600;text-decoration:none}
.small{font-size:.85rem;color:var(--muted)}

/* footer */
.site-footer{background:#1e2a33;color:#cfd8de;padding:56px 0 0;font-size:.95rem}
.site-footer h2{color:#fff;font-size:1.2rem;margin:0 0 1em}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:48px}
.plain{list-style:none;padding:0;margin:0}
.plain li{margin:0 0 .7em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;padding-bottom:22px;font-size:.85rem;color:#9fb0bb}
.site-footer .link-arrow{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px}
.footer-legal{display:flex;flex-wrap:wrap;gap:6px 20px}
.footer-legal a{color:#cfd8de}
.footer-legal a:hover{color:#fff}
mark.todo{background:#fff3c4;color:#6b4e00;padding:1px 4px;border-radius:3px}

@media (max-width:900px){
  .hero-inner,.split,.feature,.footer-grid,.offers,.offers.two{grid-template-columns:1fr}
  .hero{padding:40px 0}
  .hero-img{max-width:420px}
  .mods{grid-template-columns:repeat(2,1fr)}
  .cta{flex-direction:column;align-items:flex-start}
  .section{padding:48px 0}
}
@media (max-width:480px){
  body{font-size:16px}
  .mods{grid-template-columns:1fr 1fr;gap:12px}
  .mod span{font-size:.95rem}
}