/* Carnet de recherche : une colonne alignée à gauche, des listes en registre (date et type en marge, titre et résumé à droite). */
:root{
  --bg:#F5F6F3; --surface:#FFFFFF; --ink:#15191B; --muted:#58646A; --line:#D9DFDB;
  --accent:#1D6871; --accent-soft:#E2EEEE; --accent-ink:#FFFFFF; --mark:#B8452E;
  --f-ui:"Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-read:"Literata", Georgia, "Times New Roman", serif;
  --f-mono:"Spline Sans Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --wrap:1060px; --measure:42rem;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101315; --surface:#161B1E; --ink:#E6EAE8; --muted:#9BA6AB; --line:#283035;
    --accent:#67B9C2; --accent-soft:#16292C; --accent-ink:#0B1416; --mark:#EE8467; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#101315; --surface:#161B1E; --ink:#E6EAE8; --muted:#9BA6AB; --line:#283035;
  --accent:#67B9C2; --accent-soft:#16292C; --accent-ink:#0B1416; --mark:#EE8467; color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--f-ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,iframe,video{max-width:100%}
a{color:inherit;text-decoration-line:underline;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,var(--accent) 50%,transparent);text-underline-offset:3px}
a:hover{color:var(--accent);text-decoration-color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:8px 12px;z-index:5}
.skip:focus{left:16px}

/* En-tête */
header.site{border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 28px;padding-block:20px 16px}
.brand{font-weight:700;font-size:1.05rem;letter-spacing:-.012em;text-decoration:none;margin-right:auto;white-space:nowrap}
.brand:hover{color:var(--ink)}
nav.main{display:flex;flex-wrap:wrap;gap:4px 22px;font-size:.96rem}
nav.main a{text-decoration:none;color:var(--muted);padding-bottom:3px;border-bottom:1.5px solid transparent}
nav.main a:hover{color:var(--ink)}
nav.main a[aria-current]{color:var(--ink);border-bottom-color:var(--accent)}
.lang{font:500 .75rem/1 var(--f-mono);letter-spacing:.04em;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted)}
.lang:hover{border-color:var(--accent)}
@media (max-width:640px){
  header.site .wrap{gap:12px 14px}
  .brand{flex:1 1 auto}
  nav.main{order:3;flex:1 1 100%;gap:4px 18px;font-size:.93rem}
}

main{padding-block:52px 80px}

/* Accueil */
.hero{max-width:52rem}
.hero h1{font-size:clamp(2.7rem,8vw,5rem);line-height:.95;letter-spacing:-.045em;font-weight:700;margin:0 0 26px;text-wrap:balance}
.lede{font-family:var(--f-read);font-size:clamp(1.18rem,2.4vw,1.45rem);line-height:1.5;margin:0;max-width:36em;text-wrap:pretty}
.coords{font:400 .8rem/1.6 var(--f-mono);color:var(--muted);margin:22px 0 0;display:flex;flex-wrap:wrap;gap:2px 22px}

.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 20px;margin:64px 0 0;padding-bottom:12px}
.sec-head h2,.eyebrow{margin:0;font-size:.74rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.sec-head .more{margin:0;font-size:.88rem;color:var(--muted)}

/* Registre */
.ledger{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.ledger > li{display:grid;grid-template-columns:10.5rem minmax(0,1fr);gap:4px 28px;padding-block:20px;border-bottom:1px solid var(--line)}
.ledger .meta{font:400 .78rem/1.7 var(--f-mono);color:var(--muted);display:flex;flex-direction:column;font-variant-numeric:tabular-nums}
.ledger .kind{color:var(--accent);text-transform:uppercase;letter-spacing:.07em;font-size:.7rem;font-weight:500}
.ledger .item{min-width:0}
.ledger h3{margin:0;font-size:1.2rem;font-weight:600;letter-spacing:-.012em;line-height:1.3;text-wrap:balance}
.ledger h3 a{text-decoration:none}
.ledger h3 a:hover{text-decoration:underline}
.ledger .ext{color:var(--muted);font-weight:400;margin-left:.3em;font-size:.9em}
.ledger p{margin:6px 0 0;color:var(--muted);max-width:40rem}
.ledger .cite{font-size:.9rem}
@media (max-width:640px){
  .ledger > li{grid-template-columns:minmax(0,1fr)}
  .ledger .meta{flex-direction:row;gap:12px;align-items:baseline}
}

/* Index des sections */
.index{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;border-top:1px solid var(--line)}
.index li{padding-block:18px;border-bottom:1px solid var(--line);min-width:0}
.index a{display:flex;align-items:baseline;justify-content:space-between;gap:12px;text-decoration:none}
.index .lab{font-size:1.25rem;font-weight:600;letter-spacing:-.015em}
.index .n{font:400 .76rem var(--f-mono);color:var(--muted);white-space:nowrap}
.index a:hover .lab{color:var(--accent)}
.index p{margin:6px 0 0;color:var(--muted);font-size:.95rem}
@media (max-width:640px){.index{grid-template-columns:minmax(0,1fr)}}

/* Pages de section */
.page-head{max-width:46rem;margin-bottom:8px}
.page-head h1{font-size:clamp(2.2rem,6vw,3.4rem);line-height:1;letter-spacing:-.035em;font-weight:700;margin:0 0 16px;text-wrap:balance}
.page-head p{font-family:var(--f-read);font-size:1.15rem;line-height:1.55;color:var(--muted);margin:0;text-wrap:pretty}
.page-head + .ledger,.page-head + .empty{margin-top:40px}
.empty{font-family:var(--f-read);font-style:italic;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin:0}

/* Recherche */
.thesis-title{font-family:var(--f-read);font-weight:600;font-size:clamp(1.3rem,2.6vw,1.6rem);line-height:1.35;margin:4px 0 6px;max-width:38rem;letter-spacing:-.005em}
.thesis-where{font:400 .8rem var(--f-mono);color:var(--muted);margin:0 0 18px}
.cites{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.cites li{display:grid;grid-template-columns:4.5rem minmax(0,1fr);gap:4px 20px;padding-block:18px;border-bottom:1px solid var(--line)}
.cites .y{font:500 .82rem var(--f-mono);color:var(--accent);padding-top:3px;font-variant-numeric:tabular-nums}
.cites p{margin:0;grid-column:2;font-family:var(--f-read);line-height:1.6;padding-left:2em;text-indent:-2em;max-width:44rem;overflow-wrap:anywhere}
.cites p.abs{text-indent:0;padding-left:0;margin-top:8px;font-family:var(--f-ui);color:var(--muted);font-size:.93rem}
.cites p a{font-family:var(--f-ui);font-size:.88rem;white-space:nowrap}
@media (max-width:640px){.cites li{grid-template-columns:minmax(0,1fr)}.cites p{grid-column:1}}

/* Texte courant */
.prose{font-family:var(--f-read);font-size:1.1rem;line-height:1.72;max-width:var(--measure);text-wrap:pretty}
.prose > :first-child{margin-top:0}
.prose p{margin:0 0 1.05em}
.prose h2{font-family:var(--f-ui);font-size:1.45rem;line-height:1.25;letter-spacing:-.018em;margin:2.1em 0 .6em}
.prose h3{font-family:var(--f-ui);font-size:1.15rem;margin:1.8em 0 .5em}
.prose blockquote{margin:1.6em 0;padding-left:1.2em;border-left:2px solid var(--accent);color:var(--muted);font-style:italic}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.1em}
.prose li{margin:.3em 0}
.prose code{font:.88em var(--f-mono);background:var(--accent-soft);padding:.1em .35em;border-radius:4px}
.prose pre{overflow-x:auto;background:var(--surface);border:1px solid var(--line);padding:14px 16px;border-radius:8px}
.prose pre code{background:none;padding:0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose img{height:auto;border-radius:6px}
.prose table{border-collapse:collapse;display:block;overflow-x:auto;font-family:var(--f-ui);font-size:.95rem}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:8px 12px;text-align:left}

/* Article */
.article{max-width:var(--measure)}
.crumb{margin:0 0 18px;font-size:.88rem}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a::before{content:"← "}
.crumb a:hover{color:var(--accent)}
.article h1{font-size:clamp(2rem,5.2vw,3.1rem);line-height:1.05;letter-spacing:-.035em;margin:0 0 14px;text-wrap:balance}
.byline{font:400 .8rem var(--f-mono);color:var(--muted);margin:0 0 26px;display:flex;flex-wrap:wrap;gap:4px 20px}
.standfirst{font-family:var(--f-read);font-size:1.25rem;line-height:1.55;margin:0 0 30px;text-wrap:pretty}
.notice{font-size:.9rem;background:var(--accent-soft);border-radius:6px;padding:10px 14px;margin:0 0 24px}
.article .cite{font-family:var(--f-read);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:0 0 28px}
.video{position:relative;aspect-ratio:16/9;max-width:100%;margin:0 0 30px;background:var(--surface);border-radius:8px;overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* À propos */
.about{display:grid;grid-template-columns:minmax(0,1fr) 18rem;gap:40px 56px;margin-top:36px;align-items:start}
.contacts{list-style:none;margin:12px 0 0;padding:0;border-top:1px solid var(--line)}
.contacts li{padding-block:11px;border-bottom:1px solid var(--line);display:grid;gap:2px;min-width:0}
.contacts .lab{font:400 .74rem var(--f-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.contacts a{overflow-wrap:anywhere}
@media (max-width:820px){.about{grid-template-columns:minmax(0,1fr)}}

/* Boutons */
.go{margin:14px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;font-size:.95rem;padding:9px 16px;border-radius:7px}
.btn::after{content:"→"}
.btn:hover{color:var(--accent-ink);filter:brightness(1.08)}
.ledger .go .btn{font-size:.9rem}

/* Pied de page */
footer.site{border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px 24px;padding-block:22px 28px;font-size:.9rem;color:var(--muted)}
.sig{margin:0;font-weight:600;color:var(--ink)}
.sig span{font-weight:400;color:var(--muted);margin-left:12px}
footer.site nav{display:flex;flex-wrap:wrap;gap:4px 18px}
footer.site nav a{text-decoration:none;color:var(--muted)}
footer.site nav a:hover{color:var(--accent)}

@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto!important}}

/* Newsletter */
.nl{max-width:34rem;margin:0;position:relative}
.nl label{display:block;font-weight:600;margin:0 0 8px}
.nl-row{display:flex;flex-wrap:wrap;gap:8px}
.nl input[type=email]{flex:1 1 15rem;min-width:0;font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:9px 12px}
.nl input[type=email]:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.nl button.btn,.nl-action button.btn{border:0;cursor:pointer;font-family:inherit}
.nl-note{font-size:.85rem;color:var(--muted);margin:8px 0 0}
.nl-hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.nl-accueil .sec-head{border-bottom:1px solid var(--line);margin-bottom:18px}
.nl-intro{color:var(--muted);margin:0 0 16px;max-width:40rem}
.nl-page{margin-top:32px}
.nl-box{border-top:1px solid var(--line);margin-top:56px;padding-top:24px;font-family:var(--f-ui)}
.nl-box h2{font-size:1.2rem;letter-spacing:-.012em;margin:0 0 6px}
.nl-box .intro{color:var(--muted);margin:0 0 16px;font-size:.98rem}
.message{background:var(--accent-soft);border-radius:8px;padding:14px 16px;margin:24px 0 0;max-width:40rem}
.message.erreur{background:color-mix(in srgb,var(--mark) 15%,transparent)}
.lede-court{font-family:var(--f-read);font-size:1.15rem;margin:8px 0 18px;max-width:38rem}
.prose .btn{font-family:var(--f-ui);font-size:.95rem;line-height:1.3;margin:0 6px 8px 0}
.prose .go{margin:0 0 1.4em}

/* Portrait et captures */
.hero.avec-portrait{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 56px;align-items:center;max-width:none}
.hero .hero-txt{max-width:52rem;min-width:0}
.portrait{display:block;width:clamp(170px,22vw,260px);height:auto;aspect-ratio:1;object-fit:cover;border-radius:14px;border:1px solid var(--line);background:var(--surface)}
.portrait-apropos{display:block;width:100%;max-width:18rem;height:auto;aspect-ratio:1;object-fit:cover;border-radius:14px;border:1px solid var(--line);margin:0 0 22px}
@media (max-width:640px){
  .hero.avec-portrait{grid-template-columns:minmax(0,1fr)}
  .portrait{order:-1;width:120px}
}
.ledger > li.avec-image{grid-template-columns:10.5rem minmax(0,1fr) clamp(12rem,24vw,17rem)}
.vignette{display:block;align-self:start;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:var(--surface);line-height:0}
.vignette img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top left;transition:transform .25s ease}
.vignette:hover img{transform:scale(1.02)}
@media (max-width:820px){
  .ledger > li.avec-image{grid-template-columns:10.5rem minmax(0,1fr)}
  .ledger > li.avec-image .vignette{grid-column:2;max-width:30rem;margin-top:10px}
}
@media (max-width:640px){
  .ledger > li.avec-image{grid-template-columns:minmax(0,1fr)}
  .ledger > li.avec-image .vignette{grid-column:auto;order:-1;margin:0 0 8px}
}
@media (prefers-reduced-motion: reduce){.vignette img{transition:none}}
.vignette-capsule img{aspect-ratio:16/9;object-position:center}
.chaine{margin:18px 0 0;font-size:.95rem;color:var(--muted)}
.chaine a{color:var(--ink);font-weight:500}