/* =========================================================
   MONDES PRÉHISTORIQUES — Feuille de style globale
   Charte : sombre, or / cuivre / crème
   Titres : Cinzel (≈ Trajan Pro) — Corps : Lato
   ========================================================= */

:root{
  /* Palette charte */
  --brun:    #3A2A1A;
  --cuivre:  #C47D3A;
  --creme:   #E3D6BB;
  --gris:    #54524B;
  --or:      #B89A5A;

  /* Déclinaisons fond sombre */
  --bg:      #15100B;
  --bg-2:    #1d160f;
  --bg-3:    #251c13;
  --line:    #3a2c1d;

  /* Texte */
  --txt:       #E3D6BB;
  --txt-soft:  #b9ad93;
  --txt-mute:  #8a8073;

  --maxw: 1180px;
  --r: 4px;

  --serif: "Cinzel", "Trajan Pro", Georgia, serif;
  --sans:  "Lato", "Source Sans Pro", system-ui, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cuivre);text-decoration:none}
a:hover{color:var(--or)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Typographie ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--creme);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);letter-spacing:.06em}
h2{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:.05em}
h3{font-size:1.25rem;letter-spacing:.04em}
.serif{font-family:var(--serif)}
.eyebrow{
  font-family:var(--sans);font-weight:700;text-transform:uppercase;
  letter-spacing:.28em;font-size:.72rem;color:var(--cuivre);margin:0 0 .9rem
}
.lede{font-size:1.18rem;color:var(--txt-soft);line-height:1.7}
.muted{color:var(--txt-mute)}

/* ornament séparateur (point + traits, repris du logo) */
.ornament{display:flex;align-items:center;justify-content:center;gap:14px;color:var(--or);margin:1.6rem 0}
.ornament::before,.ornament::after{content:"";height:1px;width:64px;background:linear-gradient(90deg,transparent,var(--or))}
.ornament::after{background:linear-gradient(90deg,var(--or),transparent)}
.ornament span{width:6px;height:6px;border-radius:50%;background:var(--or)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(21,16,11,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:14px}
.brand svg{width:46px;height:46px;flex:none}
.brand .bt{display:flex;flex-direction:column;line-height:1}
.brand .bt b{font-family:var(--serif);font-size:1.02rem;letter-spacing:.18em;color:var(--creme);font-weight:600}
.brand .bt small{font-size:.58rem;letter-spacing:.12em;color:var(--cuivre);margin-top:5px;display:block;max-width:240px;line-height:1.3;white-space:normal}
.menu{display:flex;gap:18px;list-style:none;margin:0;padding:0;white-space:nowrap}
.menu a{
  font-family:var(--sans);font-weight:700;text-transform:uppercase;
  letter-spacing:.10em;font-size:.72rem;color:var(--txt-soft);padding:6px 0;position:relative
}
.menu a:hover,.menu a.active{color:var(--creme)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--cuivre)}
.burger{display:none;background:none;border:0;color:var(--creme);font-size:1.6rem;cursor:pointer}

/* ---------- Boutons ---------- */
.btn{
  display:inline-block;font-family:var(--sans);font-weight:700;text-transform:uppercase;
  letter-spacing:.16em;font-size:.74rem;padding:13px 26px;border:1px solid var(--cuivre);
  color:var(--creme);border-radius:var(--r);transition:.25s;background:transparent;cursor:pointer
}
.btn:hover{background:var(--cuivre);color:#1a120a}
.btn-solid{background:var(--cuivre);color:#1a120a}
.btn-solid:hover{background:var(--or);color:#1a120a}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:74vh;display:flex;align-items:flex-end;
  background:linear-gradient(180deg,rgba(21,16,11,.35),rgba(21,16,11,.95)),
             radial-gradient(120% 120% at 70% 0%,#3a2c1d 0%,#15100b 60%);
  overflow:hidden;border-bottom:1px solid var(--line)}
.hero .container{padding-top:90px;padding-bottom:72px;position:relative;z-index:2}
.hero h1{max-width:14ch}
.hero .lede{max-width:54ch;margin:1.3rem 0 2rem}
.hero-art{position:absolute;inset:0;opacity:.5;background-size:cover;background-position:center;z-index:0;
  filter:grayscale(.2) sepia(.25) brightness(.7)}

/* ---------- Grilles ---------- */
.section{padding:84px 0}
.section-head{margin-bottom:46px;max-width:62ch}
.grid{display:grid;gap:30px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* ---------- Cartes ---------- */
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;transition:.28s}
.card:hover{transform:translateY(-4px);border-color:var(--cuivre)}
.card .thumb{aspect-ratio:16/10;background:var(--bg-3) center/cover;position:relative}
.card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(21,16,11,.82);
  color:var(--cuivre);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;
  font-weight:700;padding:6px 11px;border-radius:2px}
.card .body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.card .meta{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:10px}
.card h3{margin-bottom:.5em}
.card h3 a{color:var(--creme)}
.card h3 a:hover{color:var(--cuivre)}
.card p{color:var(--txt-soft);font-size:.95rem;margin:0 0 18px}
.card .more{margin-top:auto;font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.72rem}

/* carte vedette */
.feature{display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.feature .thumb{min-height:340px;background:var(--bg-3) center/cover}
.feature .body{padding:46px}
.feature h2{margin-top:.2em}
@media(max-width:820px){.feature{grid-template-columns:1fr}}

/* ---------- Liste article (index actus) ---------- */
.list-row{display:grid;grid-template-columns:200px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--line)}
.list-row .thumb{aspect-ratio:16/10;border-radius:var(--r);background:var(--bg-3) center/cover}
.list-row h3{margin:.1em 0 .4em}
.list-row h3 a{color:var(--creme)}
.list-row h3 a:hover{color:var(--cuivre)}
.list-row .meta{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:6px}
.list-row p{color:var(--txt-soft);font-size:.95rem;margin:0}
@media(max-width:620px){.list-row{grid-template-columns:1fr}}

/* ---------- Article ---------- */
.article{max-width:760px;margin:0 auto;padding:60px 28px 90px}
.article .meta{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cuivre);margin-bottom:16px}
.article h1{margin-bottom:.4em}
.article .lede{margin:0 0 1.4em}
.article .cover{aspect-ratio:16/9;border-radius:var(--r);background:var(--bg-3) center/cover;margin:30px 0 14px;border:1px solid var(--line)}
.article .caption{font-size:.78rem;color:var(--txt-mute);margin-bottom:36px;font-style:italic}
.article p{margin:0 0 1.35em}
.article h2{margin:1.8em 0 .5em}
.article h3{margin:1.5em 0 .4em;color:var(--cuivre)}
.article blockquote{margin:1.8em 0;padding:8px 0 8px 26px;border-left:3px solid var(--cuivre);
  font-family:var(--serif);font-size:1.3rem;color:var(--creme);line-height:1.5}
.article figure{margin:2em 0}
.article ul{padding-left:1.2em}
.article li{margin:.4em 0}
.sources{margin-top:48px;padding:24px 26px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);font-size:.86rem}
.sources b{font-family:var(--serif);letter-spacing:.08em;color:var(--creme);display:block;margin-bottom:8px}
.sources a{word-break:break-word}
.backlink{display:inline-block;margin-bottom:30px;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}

/* ---------- Page bandeau titre ---------- */
.pagehead{padding:44px 0 32px;border-bottom:1px solid var(--line);
  background:radial-gradient(120% 140% at 80% 0%,#2c2114 0%,#15100b 60%)}
.pagehead--compact{padding:18px 0 14px}
.pagehead--split{display:flex;align-items:center;justify-content:space-between;gap:24px}
.pagehead--side-lede{margin:0;font-size:.92rem;opacity:.78;text-align:right}
@media(max-width:680px){.pagehead--split{flex-direction:column;align-items:flex-start;gap:6px}.pagehead--side-lede{text-align:left}}

/* ---------- Chronologie / frise ---------- */
.timeline{position:relative;max-width:920px;margin:0 auto;padding:20px 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,var(--or),var(--cuivre),var(--or),transparent);transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:22px 42px;margin-bottom:6px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%}
.tl-item::after{content:"";position:absolute;top:30px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cuivre)}
.tl-item:nth-child(odd)::after{right:-7px}
.tl-item:nth-child(even)::after{left:-7px}
.tl-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;transition:.25s}
.tl-card:hover{border-color:var(--cuivre);transform:translateY(-3px)}
.tl-date{font-family:var(--serif);color:var(--cuivre);font-size:1.15rem;letter-spacing:.04em;margin-bottom:6px;white-space:nowrap}
.tl-era{font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--or);font-weight:700;margin-bottom:8px}
.tl-card p{margin:0;color:var(--txt-soft);font-size:.92rem}
@media(max-width:720px){
  .timeline::before{left:18px}
  .tl-item{width:100%;left:0!important;text-align:left!important;padding:18px 8px 18px 48px}
  .tl-item::after{left:11px!important;right:auto!important}
}

/* ---------- Bandes / pôles ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pillar{text-align:center;padding:14px}
.pillar .ic{width:52px;height:52px;margin:0 auto 16px;color:var(--cuivre)}
.pillar h4{font-size:.92rem;letter-spacing:.1em;margin-bottom:.4em}
.pillar p{font-size:.86rem;color:var(--txt-mute);margin:0}

/* ---------- Glossary banner ---------- */
.gloss-footer{border-top:1px solid var(--line);padding:20px 0;background:var(--bg-2)}
.gloss-banner{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);
  padding:14px 20px;margin:8px 0 24px;font-size:.9rem;line-height:1.5}
.gloss-banner-label{font-family:var(--serif);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cuivre);white-space:nowrap}
.gloss-banner-term{font-family:var(--serif);font-size:1.08rem;color:var(--creme);font-weight:700}
.gloss-banner-sep{color:var(--txt-mute)}
.gloss-banner-def{color:var(--txt-soft);flex:1;min-width:200px}
.gloss-banner-link{margin-left:auto;white-space:nowrap;font-size:.82rem;
  color:var(--cuivre);text-decoration:none;border-bottom:1px solid transparent}
.gloss-banner-link:hover{border-bottom-color:var(--cuivre)}
@media(max-width:640px){.gloss-banner{flex-direction:column;gap:6px}
  .gloss-banner-link{margin-left:0}}

/* ---------- Newsletter ---------- */
.cta-band{background:linear-gradient(120deg,var(--bg-3),var(--bg-2));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.subscribe{display:flex;gap:12px;max-width:480px;margin-top:22px}
.subscribe input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  color:var(--creme);padding:13px 16px;font-family:var(--sans);font-size:.92rem}
.subscribe input:focus{outline:none;border-color:var(--cuivre)}
@media(max-width:520px){.subscribe{flex-direction:column}}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-footer h5{font-family:var(--serif);font-size:.82rem;letter-spacing:.16em;color:var(--creme);text-transform:uppercase;margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:9px 0}
.site-footer a{color:var(--txt-soft);font-size:.9rem}
.site-footer a:hover{color:var(--cuivre)}
.foot-brand p{color:var(--txt-mute);font-size:.9rem;max-width:34ch;margin:16px 0 0}
.foot-social{display:flex;align-items:center;gap:20px;padding:24px 0 0;border-top:1px solid var(--line);margin-top:40px;flex-wrap:wrap}
.foot-social-link{display:flex;align-items:center;gap:7px;color:var(--txt-mute);text-decoration:none;font-size:.78rem;letter-spacing:.04em;transition:color .2s}
.foot-social-link:hover{color:var(--cuivre)}
.foot-social-link svg{flex:none;opacity:.7;transition:opacity .2s}
.foot-social-link:hover svg{opacity:1}
.foot-ver{opacity:.45;font-size:.72rem}.foot-bottom{display:flex;justify-content:space-between;align-items:center;
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.78rem;color:var(--txt-mute);flex-wrap:wrap;gap:10px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .pillars{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .menu{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 0}
  .menu.open{display:flex}
  .menu a{padding:14px 28px;letter-spacing:.14em}
  .menu a.active::after{display:none}
  .burger{display:block}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:56px 0}
}
@media(max-width:480px){
  .container{padding:0 16px}
}

.fade{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.fade.in{opacity:1;transform:none}

/* ── Actualités — flux mixte ────────────────────────── */
.actu-flow .actu-block{margin-bottom:44px}
.actu-flow .grid-2 .card .thumb{aspect-ratio:16/9}

/* Carte vedette plein-largeur */
.actu-wide{
  display:grid;grid-template-columns:42% 1fr;gap:0;
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;
  text-decoration:none;color:inherit;transition:.28s
}
.actu-wide:hover{transform:translateY(-4px);border-color:var(--cuivre)}
.actu-wide-img{
  min-height:270px;background:var(--bg-3) center/cover;position:relative
}
.actu-wide-img .tag{position:absolute;top:14px;left:14px}
.actu-wide-body{
  padding:36px 42px;display:flex;flex-direction:column;justify-content:center
}
.actu-wide-body h2{font-size:1.42rem;line-height:1.25;margin:.2em 0 .65em;color:var(--creme)}
.actu-wide-body>p{color:var(--txt-soft);font-size:.95rem;margin:0 0 1.3em;flex:1}
.actu-wide-body .more{color:var(--cuivre);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
@media(max-width:680px){
  .actu-wide{grid-template-columns:1fr}
  .actu-wide-img{min-height:200px}
}

/* Pagination */
.actu-pagination{
  display:flex;align-items:center;justify-content:center;
  gap:24px;padding-top:36px;border-top:1px solid var(--line)
}
.pagi-info{color:var(--txt-mute);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase}
.btn-pagi{
  display:inline-block;font-family:var(--sans);font-weight:700;text-transform:uppercase;
  letter-spacing:.14em;font-size:.72rem;padding:10px 24px;border:1px solid var(--cuivre);
  color:var(--creme);border-radius:var(--r);transition:.25s;background:transparent;
  cursor:pointer;text-decoration:none
}
.btn-pagi:hover{background:var(--cuivre);color:var(--bg)}
.btn-pagi--off{opacity:.3;cursor:default;pointer-events:none}
.btn-pagi--current{background:var(--cuivre);color:var(--bg);cursor:default;pointer-events:none}
.pagi-pages{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.pagi-ellipsis{color:var(--txt-mute);font-size:.82rem;padding:0 4px;user-select:none}