@import url("/assets/fonts/fonts.css");

/* ============================================================
   Histoire des colonies françaises — édition numérique
   Système graphique
   ============================================================ */

:root{
  --paper:#f7f2e8;
  --paper-2:#efe8da;
  --paper-3:#e6dcc9;
  --ink:#191512;
  --ink-2:#3d352d;
  --ink-3:#6b6054;
  --rule:#d5c9b1;
  --rule-2:#c2b294;
  --accent:#8c2f24;
  --accent-2:#a8503f;
  --gold:#9a7b28;
  --sea:#2c4a5e;
  --link:#7a2a20;
  --sel:#e8d9b8;
  --shadow:0 1px 2px rgba(25,21,18,.06),0 8px 28px -12px rgba(25,21,18,.22);
  --serif:"EB Garamond",Iowan Old Style,Palatino,Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --maxw:74rem;
  --measure:38rem;
  --r:3px;
  color-scheme:light;
}
:root[data-theme="dark"],
html:not([data-theme="light"]) :root{}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#14120f;--paper-2:#1c1916;--paper-3:#242019;
    --ink:#ece4d6;--ink-2:#cfc5b4;--ink-3:#9c9184;
    --rule:#3a342b;--rule-2:#4c4437;
    --accent:#d9705e;--accent-2:#e08a78;--gold:#c9a44a;--sea:#7fa8c0;
    --link:#e0917f;--sel:#3d3322;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px -14px rgba(0,0,0,.7);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#14120f;--paper-2:#1c1916;--paper-3:#242019;
  --ink:#ece4d6;--ink-2:#cfc5b4;--ink-3:#9c9184;
  --rule:#3a342b;--rule-2:#4c4437;
  --accent:#d9705e;--accent-2:#e08a78;--gold:#c9a44a;--sea:#7fa8c0;
  --link:#e0917f;--sel:#3d3322;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px -14px rgba(0,0,0,.7);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:1.0625rem;line-height:1.62;
  font-synthesis-weight:none;text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(ellipse 120% 80% at 50% -10%,color-mix(in oklab,var(--gold) 7%,transparent),transparent 60%);
  background-attachment:fixed;
}
::selection{background:var(--sel);color:var(--ink)}
img{max-width:100%;height:auto}
a{color:var(--link);text-decoration-thickness:.06em;text-underline-offset:.18em;
  text-decoration-color:color-mix(in oklab,var(--link) 42%,transparent);transition:color .18s,text-decoration-color .18s}
a:hover{color:var(--accent-2);text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---------- mise en page ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.narrow{max-width:46rem;margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:100;background:var(--paper);padding:.6rem 1rem;border:1px solid var(--rule)}

/* ---------- en-tête ---------- */
.masthead{position:sticky;top:0;z-index:50;background:color-mix(in oklab,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--rule)}
.masthead-in{display:flex;align-items:center;gap:1.25rem;min-height:3.5rem}
.brand{font-family:var(--sans);font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  font-size:.72rem;color:var(--ink);text-decoration:none;white-space:nowrap;display:flex;align-items:center;gap:.5rem}
.brand b{font-weight:800}
.brand .mark{width:1.35rem;height:1.35rem;flex:0 0 auto}
nav.main{margin-left:auto;display:flex;gap:.15rem;align-items:center;font-family:var(--sans);font-size:.78rem}
nav.main a{color:var(--ink-2);text-decoration:none;padding:.42rem .6rem;border-radius:var(--r);white-space:nowrap}
nav.main a:hover,nav.main a[aria-current]{background:var(--paper-3);color:var(--ink)}
.iconbtn{background:none;border:1px solid var(--rule);color:var(--ink-2);width:2rem;height:2rem;
  border-radius:var(--r);cursor:pointer;display:grid;place-items:center;padding:0}
.iconbtn:hover{background:var(--paper-3);color:var(--ink)}
.burger{display:none}
@media (max-width:900px){
  nav.main{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--rule);flex-direction:column;align-items:stretch;padding:.5rem;gap:0}
  nav.main.open{display:flex}
  nav.main a{padding:.7rem .8rem;font-size:.9rem}
  .burger{display:grid;margin-left:auto}
}

/* ---------- titres ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.16;margin:0 0 .5em;
  letter-spacing:-.008em;text-wrap:balance}
h1{font-size:clamp(2rem,1.2rem + 3.2vw,3.4rem);font-weight:500}
h2{font-size:clamp(1.4rem,1.1rem + 1.2vw,2rem);margin-top:2.2em}
h3{font-size:1.2rem;margin-top:1.8em}
.eyebrow{font-family:var(--sans);font-size:.7rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .9rem}
.lede{font-size:1.2rem;line-height:1.55;color:var(--ink-2)}
.rule{height:1px;background:var(--rule);border:0;margin:2.5rem 0}
.orn{display:block;text-align:center;color:var(--rule-2);margin:2.5rem 0;font-size:1.1rem;letter-spacing:.6em}

/* ---------- pied ---------- */
footer.site{margin-top:5rem;border-top:1px solid var(--rule);background:var(--paper-2);
  font-family:var(--sans);font-size:.82rem;color:var(--ink-3)}
footer.site .wrap{padding-block:2.5rem 3rem}
footer.site .cols{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
footer.site h4{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:.7rem}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
footer.site a{color:var(--ink-3);text-decoration:none}
footer.site a:hover{color:var(--ink)}
.colophon{margin-top:2rem;padding-top:1.4rem;border-top:1px solid var(--rule);line-height:1.6}

/* ---------- cartes / grilles ---------- */
.grid{display:grid;gap:1.25rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,11rem),1fr))}
.card{display:block;background:var(--paper-2);border:1px solid var(--rule);border-radius:var(--r);
  padding:1.15rem 1.25rem;text-decoration:none;color:inherit;position:relative;
  transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--rule-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.card h3{margin:.1rem 0 .35rem;font-size:1.1rem}
.card p{margin:0;font-size:.9rem;color:var(--ink-3);line-height:1.5}
.card .meta{font-family:var(--sans);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}

/* ---------- utilitaires ---------- */
.tag{display:inline-block;font-family:var(--sans);font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;padding:.2rem .5rem;border:1px solid var(--rule-2);border-radius:99px;
  color:var(--ink-3);text-decoration:none}
a.tag:hover{border-color:var(--accent);color:var(--accent)}
.muted{color:var(--ink-3)}
.sans{font-family:var(--sans)}
.center{text-align:center}
.nowrap{white-space:nowrap}