/* u-strabg.fr · repères — feuille de style (générée dans sites/u-strabg.fr/style.css par tools/build_ustrabg.py) */
@font-face{font-family:"Sora";src:url(/assets/fonts/sora.woff2) format("woff2");font-weight:500 800;font-style:normal;font-display:swap}
@font-face{font-family:"Open Sans";src:url(/assets/fonts/open-sans.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"Open Sans";src:url(/assets/fonts/open-sans-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/jetbrains-mono.woff2) format("woff2");font-weight:400 600;font-style:normal;font-display:swap}
:root{
  --bg:#f6f8f8;--paper:#fff;--ink:#10232b;--muted:#4e636a;--line:#d6e1e1;--tint:#e6f0f0;
  --teal:#0b5d66;--teal-d:#073c43;--teal-l:#9fd3d6;--amber:#f0a23b;--amber-d:#a8620c;--note:#eef4f3;
  --display:"Sora",ui-sans-serif,system-ui,sans-serif;--body:"Open Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:14px;--shadow:0 1px 2px rgba(16,35,43,.06),0 8px 24px rgba(16,35,43,.08)
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d171b;--paper:#132127;--ink:#e6eef0;--muted:#a5b7bc;--line:#24363d;--tint:#16282e;
  --teal:#7cc9cf;--teal-d:#0a3a40;--teal-l:#2b6f75;--amber:#f3b25c;--amber-d:#f3b25c;--note:#15262c;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17.5px/1.7 var(--body);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--amber-d)}
code{font:500 .86em/1.4 var(--mono);background:var(--tint);padding:.1em .35em;border-radius:5px;overflow-wrap:anywhere}
h1,h2,h3{font-family:var(--display);line-height:1.18;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,3rem);font-weight:750;margin:.4rem 0 1rem}
h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.75rem);font-weight:700;margin:2.6rem 0 .8rem}
h3{font-size:1.15rem;font-weight:650;margin:0 0 .4rem}
small{color:var(--muted);font-size:.86em}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:#1b1205;padding:.5rem 1rem;z-index:20}
.skip:focus{left:1rem}

/* bandeau d'indépendance */
.notice{margin:0;background:var(--teal-d);color:#d6eeef;font:400 14px/1.5 var(--body);padding:.55rem 1rem;text-align:center}
.notice::before{content:"";display:inline-block;width:.5rem;height:.5rem;border-radius:50%;background:var(--amber);margin-right:.55rem;vertical-align:.1em}

/* en-tête */
.site{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.bar{max-width:76rem;margin:0 auto;padding:.8rem 1.25rem;display:flex;align-items:center;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none;font:700 1.08rem/1.2 var(--display);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--ink)}
.mark{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:9px;background:var(--teal);color:#fff;font:800 .95rem/1 var(--display);position:relative}
.mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:.7rem;height:.7rem;border-radius:50%;background:var(--amber);border:2px solid var(--paper)}
.menu{display:flex;gap:1.4rem;margin-left:auto;font:500 15px/1.2 var(--display)}
.menu a{color:var(--ink);text-decoration:none;padding:.35rem 0;border-bottom:2px solid transparent;white-space:nowrap}
.menu a:hover,.menu a[aria-current]{border-color:var(--amber);color:var(--ink)}
.nav-toggle,.burger{display:none}
@media (max-width:900px){
  .burger{display:grid;place-items:center;margin-left:auto;width:2.75rem;height:2.75rem;border:1px solid var(--line);border-radius:10px;cursor:pointer}
  .burger span,.burger span::before,.burger span::after{display:block;width:1.2rem;height:2px;background:var(--ink);position:relative;border-radius:2px;transition:.2s}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0}
  .burger span::before{top:-6px}.burger span::after{top:6px}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:.5rem 1.25rem 1rem;margin:0}
  .menu a{padding:.85rem 0;border-bottom:1px solid var(--line);font-size:16px}
  .menu a:last-child{border-bottom:0}
  .nav-toggle:checked~.menu{display:flex}
  .nav-toggle:checked+.burger span{background:transparent}
  .nav-toggle:checked+.burger span::before{top:0;transform:rotate(45deg)}
  .nav-toggle:checked+.burger span::after{top:0;transform:rotate(-45deg)}
  .nav-toggle:focus-visible+.burger{outline:2px solid var(--amber)}
}

/* héros de la page d'accueil */
.hero{position:relative;color:#fff;background:#0a2f35;overflow:hidden}
.hero picture,.hero picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,34,39,.94) 0%,rgba(6,34,39,.82) 45%,rgba(6,34,39,.35) 100%)}
.hero-in{position:relative;z-index:1;max-width:76rem;margin:0 auto;padding:clamp(3rem,7vw,6rem) 1.25rem clamp(3rem,6vw,5rem);display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:3rem;align-items:center}
.hero h1{color:#fff;font-size:clamp(2rem,1.2rem + 3vw,3.4rem);margin:.5rem 0 1.1rem}
.hero .lead{font-size:1.1rem;color:#d7ecee;max-width:38rem;margin:0 0 1.6rem}
.kicker{font:600 .8rem/1.3 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin:0}
.btns{display:flex;flex-wrap:wrap;gap:.75rem}
.btn{display:inline-block;padding:.75rem 1.2rem;border-radius:999px;font:600 15px/1.2 var(--display);text-decoration:none;background:var(--amber);color:#1d1305}
.btn:hover{background:#ffbf66;color:#1d1305}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.btn.ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.typo{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.4rem 1.5rem;backdrop-filter:blur(6px);font:500 1.05rem/1.4 var(--mono)}
.typo p{margin:0;display:flex;justify-content:space-between;gap:1rem;align-items:baseline;padding:.7rem 0;border-bottom:1px dashed rgba(255,255,255,.2);flex-wrap:wrap}
.typo p:last-child{border-bottom:0}
.typo span{font:600 .8rem/1.2 var(--display);letter-spacing:.1em;text-transform:uppercase;color:#a9cfd2}
.typo .bad{text-decoration:line-through;text-decoration-color:var(--amber);color:#cfe3e5}
.typo code{background:transparent;padding:0;color:inherit;font:inherit}
.typo b{color:var(--amber);font-weight:700}
.typo .now{color:#fff;font-weight:600}
.credit{font:400 12.5px/1.4 var(--body);color:var(--muted);margin:.5rem 0 0}
.credit a{color:inherit}
.hero .credit{position:absolute;right:1.25rem;bottom:.6rem;z-index:1;color:#9fc0c4;margin:0}

/* héros des pages intérieures */
.pagehero{background:var(--paper);border-bottom:1px solid var(--line)}
.pagehero-in{max-width:76rem;margin:0 auto;padding:clamp(2rem,5vw,3.5rem) 1.25rem;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.pagehero.plain .pagehero-in{grid-template-columns:minmax(0,1fr);max-width:50rem}
.pagehero h1{margin:.5rem 0 .8rem}
.pagehero .kicker{color:var(--amber-d)}
.pagehero .meta{color:var(--muted);font-size:.95rem;margin:0}
.addr{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 0;padding:0;list-style:none}
.addr li{font:500 .85rem/1.3 var(--mono);padding:.4rem .7rem;border-radius:8px;background:var(--tint);color:var(--ink);overflow-wrap:anywhere}
.addr li.was{text-decoration:line-through;text-decoration-color:var(--amber);color:var(--muted)}
.addr li.ok{background:var(--teal);color:#fff}
.photo{margin:0}
.photo img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}

/* contenu */
main{padding:0 1.25rem 1rem}
main>*{max-width:44rem;margin-left:auto;margin-right:auto}
main>.wide{max-width:76rem}
main>p:first-child,main>section:first-child{margin-top:2.2rem}
main ul{padding-left:1.25rem}
main li{margin:.35rem 0}
blockquote{margin:1.4rem auto;padding:1.1rem 1.3rem;border-left:4px solid var(--amber);background:var(--paper);border-radius:0 var(--radius) var(--radius) 0;font-style:italic;box-shadow:var(--shadow)}
.sources{font-size:.94rem;color:var(--muted)}
.lead-p{font-size:1.12rem}
main>ul.links,main ul.links{list-style:none;padding:0;display:grid;gap:.7rem}
ul.links li{margin:0}
ul.links a{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.1rem;background:var(--paper);border:1px solid var(--line);border-radius:12px;text-decoration:none;font-weight:600;color:var(--ink)}
ul.links a::after{content:"↗";color:var(--teal);font-weight:700}
ul.links a:hover{border-color:var(--teal);color:var(--teal)}
.back{margin-top:2.4rem}
.back a{font:600 15px/1.3 var(--display);text-decoration:none}

/* chiffres */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:2rem auto 0;padding:0;list-style:none}
.facts li{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem}
.facts b{display:block;font:750 2rem/1 var(--display);color:var(--teal);margin-bottom:.35rem}
.facts span{font-size:.92rem;color:var(--muted);line-height:1.4;display:block}

/* familles d'adresses */
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap;margin:3.2rem 0 1.2rem}
.sec-head h2{margin:0}
.sec-head p{margin:0;color:var(--muted);max-width:34rem}
.groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.group{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.group picture img{aspect-ratio:16/7;object-fit:cover;width:100%}
.group-in{padding:1.2rem 1.3rem 1.3rem}
.group-in>p{margin:.1rem 0 .8rem;color:var(--muted);font-size:.95rem;line-height:1.55}
ul.hosts{list-style:none;padding:0;margin:0;columns:auto}
ul.hosts li{margin:0;padding:.55rem 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:.75rem;align-items:baseline;flex-wrap:wrap}
ul.hosts a{font-weight:600;text-decoration:none;color:var(--ink)}
ul.hosts a:hover{color:var(--teal);text-decoration:underline}
ul.hosts small{font:500 .8rem/1.3 var(--mono);color:var(--muted)}

/* étapes */
#retrouver{max-width:60rem}
ul.steps{list-style:none;padding:0;counter-reset:s;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
ul.steps li{counter-increment:s;margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem 1.1rem 3.6rem;position:relative;font-size:.98rem;line-height:1.6}
ul.steps li::before{content:counter(s);position:absolute;left:1.1rem;top:1.05rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--amber);color:#1d1305;display:grid;place-items:center;font:700 .9rem/1 var(--display)}

/* guide mis en avant */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);background:var(--teal-d);color:#e3f2f3;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature picture{display:block}
.feature picture img{height:100%;width:100%;object-fit:cover;min-height:15rem}
.feature-in{padding:clamp(1.4rem,3vw,2.2rem)}
.feature .kicker{color:var(--amber)}
.feature ul{list-style:none;padding:0;margin:.6rem 0}
.feature li{margin:0}
.feature li a{color:#fff;font:700 clamp(1.2rem,1rem + .8vw,1.55rem)/1.25 var(--display);letter-spacing:-.01em;text-decoration:none}
.feature li a:hover{text-decoration:underline;color:#fff}
.feature small{color:#a9cfd2;display:block;margin-top:.5rem}
.feature p{color:#cfe5e7;margin:.8rem 0 0;font-size:.98rem}

/* familles voisines (pages intérieures) */
.related{background:var(--tint);border-radius:var(--radius);padding:1.2rem 1.4rem;margin-top:2.6rem}
.related h2{margin:0 0 .4rem;font-size:1.15rem}
.related ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.1rem 1.4rem}
.related li{margin:0;padding:.35rem 0}
.related a{font-weight:600;text-decoration:none}
.related a:hover{text-decoration:underline}

/* crédits */
.creditlist{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.creditlist li{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.9rem;line-height:1.45}
.creditlist img{aspect-ratio:16/9;object-fit:cover;width:100%}
.creditlist div{padding:.7rem .9rem}

/* pied de page */
.foot{margin-top:4rem;background:var(--teal-d);color:#c4dfe1;font-size:.95rem}
.foot-in{max-width:76rem;margin:0 auto;padding:2.6rem 1.25rem 1.2rem;display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:2rem}
.foot .brand{color:#fff;margin-bottom:.8rem}
.foot .mark::after{border-color:var(--teal-d)}
.foot h2{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .7rem}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:.3rem 0}
.foot a{color:#e9f6f7}
.foot a:hover{color:var(--amber)}
.foot p{margin:0 0 .6rem}
.foot code{background:rgba(255,255,255,.1);color:#fff;white-space:nowrap}
.nw{white-space:nowrap}
.foot-legal{max-width:76rem;margin:0 auto;padding:1rem 1.25rem 2rem;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem;color:#9cc3c6}
.foot-legal a{color:#cfe8ea}

@media (max-width:900px){
  .hero-in,.pagehero-in{grid-template-columns:minmax(0,1fr)}
  .groups,.feature{grid-template-columns:minmax(0,1fr)}
  .foot-in{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .foot-in>div:first-child{grid-column:1/-1}
  .photo img{aspect-ratio:16/9}
  .feature picture img{height:auto;min-height:0;aspect-ratio:16/9}
}
@media (max-width:620px){
  body{font-size:17px}
  .facts{grid-template-columns:minmax(0,1fr)}
  .facts li{display:flex;align-items:baseline;gap:.8rem}
  .facts b{font-size:1.6rem;margin:0;flex:none;min-width:3.2rem}
  ul.steps,.related ul,.creditlist{grid-template-columns:minmax(0,1fr)}
  .typo{font-size:.95rem;padding:1rem 1.1rem}
  .hero .credit{position:relative;right:auto;bottom:auto;padding:0 1.25rem .8rem;text-align:right}
  .bar{padding:.7rem 1rem}
  main{padding:0 1rem 1rem}
  .notice{font-size:13.5px;text-align:left}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}