/* ============================================================
   TIMECOOL - BLOG (timecool.fr/blog/)
   Un seul fichier pour la page Blog et chaque article. Memes
   variables, memes polices systeme, meme en-tete et meme pied
   de page que index.html. Aucune dependance externe, aucun cookie.
   ============================================================ */

:root{
  --blue:#1a73e8;
  --red:#ea4335;
  --yellow:#fbbc04;
  --green:#34a853;
  --ink:#111529;
  --ink-soft:#4a4f68;
  --paper:#ffffff;
  --mist:#f5f7fb;
  --line:#e6e9f2;
  --radius:20px;
  --nav-h:64px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3{
  margin:0 0 .4em;
  font-weight:600;
  letter-spacing:-0.005em;
  line-height:1.12;
}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:inherit;}
img,svg{max-width:100%;display:block;}
section,.article-tete{padding:clamp(64px,10vw,120px) clamp(20px,5vw,40px);}
.wrap{max-width:var(--maxw);margin:0 auto;}
button{font-family:inherit;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--red);
}

h2{font-size:clamp(1.7rem,4vw,2.6rem);}
.lead{font-size:clamp(1rem,1.6vw,1.15rem);max-width:640px;}

/* ---------- 4-dot signature ---------- */
.dots-row{display:inline-flex;gap:6px;vertical-align:middle;}
.dots-row span{width:8px;height:8px;border-radius:50%;display:inline-block;}
.dots-row .b{background:var(--blue);}
.dots-row .r{background:var(--red);}
.dots-row .y{background:var(--yellow);}
.dots-row .g{background:var(--green);}

/* ---------- NAV ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  padding:0 clamp(16px,4vw,32px);
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;width:100%;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;text-decoration:none;}
.logo .time{color:var(--red);}
.logo .cool{color:var(--yellow);-webkit-text-stroke:.4px rgba(0,0,0,.08);}
.logo-block{display:flex;flex-direction:column;line-height:1.1;}
.logo-sub{font-size:.66rem;font-weight:600;letter-spacing:.01em;color:#b0b5c4;margin-top:1px;white-space:nowrap;}
nav.links{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:none;cursor:pointer;
  font-weight:700;font-size:.95rem;text-decoration:none;
  min-height:44px;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s;
}
.btn:active{transform:scale(.97);}
.btn-primary{
  background:var(--blue);color:#fff;
  box-shadow:0 8px 24px -8px rgba(26,115,232,.55);
}
.btn-primary:hover{box-shadow:0 12px 28px -8px rgba(26,115,232,.65);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);}

/* Les trois tirets et le menu replie, comme sur l'accueil */
.burger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:none;border:none;cursor:pointer;
}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .25s;}
.mobile-panel{
  position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:99;
  background:var(--paper);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease), transform .25s var(--ease);
  padding:20px clamp(20px,6vw,40px);
  display:flex;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.mobile-panel.open{opacity:1;transform:translateY(0);pointer-events:auto;}
@media (min-width:900px){
  .mobile-panel{
    left:auto; right:clamp(20px,5vw,40px); bottom:auto;
    width:340px; max-width:calc(100vw - 40px);
    max-height:calc(100vh - var(--nav-h) - 24px);
    border:1px solid var(--line); border-radius:16px;
    box-shadow:0 18px 44px -20px rgba(17,21,41,.4);
    padding:10px 8px;
  }
  .mobile-panel a{padding:12px 14px; border-radius:10px;}
  .mobile-panel a:last-of-type{border-bottom:none;}
}
.mobile-panel a{
  padding:16px 4px;font-size:1.1rem;font-weight:700;text-decoration:none;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.actif{color:var(--blue);}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- FIL D'ARIANE ---------- */
.fil{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  list-style:none;margin:0 0 18px;padding:0;
  font-size:.85rem;color:var(--ink-soft);
}
.fil a{text-decoration:none;color:var(--ink-soft);}
.fil a:hover{color:var(--ink);text-decoration:underline;}
.fil li+li::before{content:"›";margin-right:6px;color:#b0b5c4;}
.fil [aria-current]{color:var(--ink);font-weight:600;}

/* ---------- PAGE BLOG ---------- */
.blog-hero{
  padding-top:calc(var(--nav-h) + clamp(40px,8vw,80px));
  padding-bottom:clamp(24px,4vw,40px);
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(26,115,232,.10), transparent 60%),
    radial-gradient(500px 380px at 10% 30%, rgba(234,67,53,.07), transparent 60%);
}
.blog-hero h1{font-size:clamp(2rem,5vw,3rem);}
.blog-liste{padding-top:0;}
.cartes{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:700px){.cartes{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cartes{grid-template-columns:repeat(3,1fr);}}
.carte{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.carte:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(17,21,41,.35);}
.carte img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;background:var(--mist);}
.carte-corps{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.carte h2{font-size:1.25rem;margin:0;line-height:1.3;}
.carte h2 a{text-decoration:none;color:var(--ink);}
.carte h2 a::after{content:"";position:absolute;inset:0;}
.carte{position:relative;}
.carte p{margin:0;font-size:.95rem;}
.meta{
  display:flex;flex-wrap:wrap;gap:6px 14px;
  font-size:.8rem;font-weight:600;color:var(--ink-soft);letter-spacing:.02em;
}
.meta time{color:var(--blue);}
.carte .lire{margin-top:auto;padding-top:6px;font-size:.9rem;font-weight:700;color:var(--blue);}

.pagination{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);font-size:.92rem;color:var(--ink-soft);}
.pagination a{color:var(--blue);font-weight:700;text-decoration:none;}
.pagination a:hover{text-decoration:underline;}

/* ---------- ARTICLE ---------- */
.article-tete{
  padding-top:calc(var(--nav-h) + clamp(32px,6vw,64px));
  padding-bottom:clamp(20px,3vw,32px);
}
.article-tete .wrap,.article-corps .wrap,.article-fin .wrap{max-width:760px;}
.article-tete h1{font-size:clamp(1.9rem,4.6vw,2.9rem);margin-bottom:.5em;}
.article-tete .chapo{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--ink-soft);max-width:none;}
.article-tete .meta{margin-top:10px;}
.article-image{margin:28px 0 0;}
.article-image img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--mist);}
.article-corps{padding-top:clamp(24px,4vw,40px);padding-bottom:clamp(32px,5vw,56px);}
.article-corps h2{font-size:clamp(1.35rem,3vw,1.8rem);margin:1.6em 0 .5em;}
.article-corps h2:first-child{margin-top:0;}
.article-corps h3{font-size:1.15rem;margin:1.4em 0 .4em;}
.article-corps p,.article-corps li{font-size:clamp(1rem,1.6vw,1.12rem);line-height:1.7;}
.article-corps ul{padding-left:0;list-style:none;margin:0 0 1.2em;display:grid;gap:12px;}
.article-corps ul li{
  padding:16px 18px;border:1.5px solid var(--line);border-radius:16px;color:var(--ink-soft);
}
.article-corps li b{color:var(--ink);font-weight:600;}
.article-corps ol{padding-left:1.4em;margin:0 0 1.2em;display:grid;gap:10px;}
.article-corps ol li{color:var(--ink-soft);}
.article-corps .boutons{margin:4px 0 22px;}
.article-corps blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--red);
  background:var(--mist);border-radius:0 16px 16px 0;
}
.article-corps blockquote p{margin:0;font-style:italic;color:var(--ink);}
.article-corps strong{color:var(--ink);font-weight:600;}
.article-fin{padding-top:0;}
.cta{
  border:1.5px solid var(--line);border-radius:var(--radius);background:var(--mist);
  padding:clamp(22px,4vw,32px);text-align:center;
}
.cta h2{font-size:clamp(1.3rem,3vw,1.7rem);margin-bottom:.4em;}
.cta p{max-width:520px;margin:0 auto 18px;}
.cta .btn{margin:4px 0 14px;}
.cta .lien{font-size:.92rem;}
.cta .lien a{color:var(--blue);}
.auteur{
  display:flex;align-items:center;gap:14px;margin-top:32px;
  padding-top:24px;border-top:1px solid var(--line);
}
.auteur .avatar{
  flex:none;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--yellow));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.auteur p{margin:0;font-size:.92rem;}
.auteur b{color:var(--ink);}
.retour-blog{margin-top:28px;font-size:.92rem;}
.retour-blog a{color:var(--blue);text-decoration:none;}
.retour-blog a:hover{text-decoration:underline;}

/* ---------- FOOTER ---------- */
footer{padding:60px clamp(20px,5vw,40px) calc(40px + env(safe-area-inset-bottom));border-top:1px solid var(--line);}
.footer-grid{display:flex;flex-direction:column;gap:32px;}
@media (min-width:760px){.footer-grid{flex-direction:row;justify-content:space-between;align-items:flex-start;}}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-nav a{font-size:.88rem;text-decoration:none;color:var(--ink-soft);}
.footer-nav a:hover{color:var(--ink);}
.footer-bottom{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;font-size:.8rem;color:var(--ink-soft);
}
@media (min-width:760px){.footer-bottom{flex-direction:row;justify-content:space-between;}}