:root{
  --bg:#ffffff; --surface:#ffffff; --surface-2:#f6f7f5; --ink:#17231b; --ink-2:#4a5a4f; --ink-3:#6c7a70;
  --line:rgba(23,35,27,.10); --accent:#2f5a3c; --accent-ink:#f4f6f2; --accent-soft:#eef3e8;
  --shadow:0 30px 60px -30px rgba(22,40,29,.35);
  --r:18px; --r-sm:12px; --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Outfit,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1040px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:600;letter-spacing:-.025em;line-height:1.08}
p{color:var(--ink-2)}
.lead{font-size:1.15rem;max-width:56ch}
.eyebrow{font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:18px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;border-radius:999px;padding:15px 26px;font-weight:500;font-size:1rem;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 30px -12px rgba(47,90,60,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -14px rgba(47,90,60,.7)}
.btn i{font-size:1.1rem}

/* Nav (identique à la landing) */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:500;letter-spacing:-.02em}
.logo img{width:30px;height:30px}
.nav ul{display:flex;gap:32px;list-style:none;font-size:.95rem;color:var(--ink-2)}
.nav ul a:hover,.nav ul a[aria-current]{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:20px;font-size:.95rem}
.nav-cta .btn{padding:11px 20px;font-size:.95rem}

/* Index */
.blog-hero{padding:96px 0 56px}
.blog-hero h1{font-size:clamp(2.3rem,5vw,3.8rem);letter-spacing:-.035em;max-width:17ch;margin-bottom:20px}
.blog-list{padding:0 0 120px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:.85rem;color:var(--ink-3)}
.meta .cat{color:var(--accent);font-weight:500}
.post-card{display:flex;flex-direction:column;gap:20px}
.post-card-img{display:block;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--surface-2);aspect-ratio:16/10}
.post-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.post-card:hover .post-card-img img{transform:scale(1.03)}
.post-card-body{display:flex;flex-direction:column;gap:10px}
.post-card h3{font-size:1.3rem;letter-spacing:-.015em;line-height:1.25}
.post-card h2{font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.03em;line-height:1.12}
.post-card h2 a:hover,.post-card h3 a:hover{color:var(--accent)}
.post-card-body>p:last-child{font-size:.98rem}
.post-card.featured{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;padding-bottom:64px;margin-bottom:64px;border-bottom:1px solid var(--line)}
.post-card.featured .post-card-body>p:last-child{font-size:1.05rem}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 32px}
.empty{font-size:1.1rem}
.archive{margin-top:96px;padding-top:56px;border-top:1px solid var(--line)}
.archive h2{font-size:1.6rem;margin-bottom:20px}
.archive ul{list-style:none}
.archive li{display:flex;justify-content:space-between;gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}
.archive a:hover{color:var(--accent)}
.archive time{color:var(--ink-3);font-size:.9rem;white-space:nowrap}

/* Article */
.post{padding:56px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.88rem;color:var(--ink-3);margin-bottom:28px}
.crumbs a:hover{color:var(--ink)}
.crumbs span{color:var(--accent);font-weight:500}
.crumbs i{font-size:.8rem}
.post-head h1{font-size:clamp(2.1rem,4.6vw,3.3rem);letter-spacing:-.035em;line-height:1.1;margin-bottom:20px}
.post-head .lead{margin-bottom:24px}
.post-cover{margin-top:48px;margin-bottom:56px}
.post-cover img{width:100%;border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow)}
.toc{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:22px 26px;margin-bottom:48px}
.toc p{font-size:.78rem;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-3);margin-bottom:12px}
.toc ol{list-style:none;display:grid;gap:6px;font-size:.98rem;color:var(--ink-2)}
.toc a:hover{color:var(--accent)}

.prose{font-size:1.1rem;line-height:1.75}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:clamp(1.6rem,3vw,2rem);letter-spacing:-.025em;line-height:1.2;margin-top:2.2em;scroll-margin-top:96px}
.prose h3{font-size:1.3rem;letter-spacing:-.015em;line-height:1.3;margin-top:1.8em}
.prose ul,.prose ol{padding-left:1.3rem;color:var(--ink-2)}
.prose li+li{margin-top:.5em}
.prose li::marker{color:var(--accent)}
.prose strong{color:var(--ink);font-weight:600}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 22px;font-size:1.15rem;color:var(--ink)}
.prose blockquote p{color:inherit}
.prose figure img{border-radius:var(--r-sm);border:1px solid var(--line)}
.prose figcaption{font-size:.88rem;color:var(--ink-3);margin-top:10px}
.prose .callout{background:var(--accent-soft);border:1px solid rgba(47,90,60,.2);border-radius:var(--r-sm);padding:20px 22px;font-size:1rem}
.prose .callout strong{display:block;margin-bottom:4px}
.prose table{width:100%;border-collapse:collapse;font-size:.98rem}
.prose th,.prose td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{color:var(--ink);font-weight:600}
.prose td{color:var(--ink-2)}

.post-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:32px;margin:64px 0}
.post-cta strong{display:block;font-size:1.2rem;font-weight:600;margin-bottom:6px}
.post-cta p{font-size:.98rem;max-width:42ch}

.post-faq{margin-bottom:64px}
.post-faq h2{font-size:clamp(1.6rem,3vw,2rem);letter-spacing:-.025em;margin-bottom:8px;scroll-margin-top:96px}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:22px 0;font-size:1.08rem;font-weight:500;display:flex;justify-content:space-between;gap:24px;align-items:center}
summary::-webkit-details-marker{display:none}
summary i{font-size:1.2rem;color:var(--accent);transition:transform .3s var(--ease);flex-shrink:0}
details[open] summary i{transform:rotate(45deg)}
details p{padding:0 40px 22px 0;font-size:.98rem}
details a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:96px}
.pager a{display:flex;flex-direction:column;gap:6px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-sm);font-weight:500;line-height:1.35;transition:border-color .2s}
.pager a:hover{border-color:var(--accent)}
.pager a span{font-size:.8rem;font-weight:400;color:var(--ink-3);text-transform:uppercase;letter-spacing:.1em}
.pager .next{text-align:right}

.related{padding:96px 0 120px;border-top:1px solid var(--line)}
.related h2{font-size:clamp(1.8rem,3.4vw,2.4rem);margin-bottom:40px}

/* Sections éditoriales du blog */
.sections{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.sections a{padding:9px 18px;border:1px solid var(--line);border-radius:999px;font-size:.92rem;color:var(--ink-2);transition:border-color .2s,color .2s}
.sections a:hover{border-color:var(--accent);color:var(--ink)}
.sections a.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
a.cat{text-decoration:none}
a.cat:hover{text-decoration:underline}
.blog-sections{padding:0 0 72px}
.section-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.section-card{display:flex;flex-direction:column;gap:10px;padding:28px 26px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface-2);transition:border-color .2s,transform .3s var(--ease)}
.section-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.section-card strong{font-size:1.2rem;letter-spacing:-.015em;color:var(--ink);font-weight:600}
.section-card span{font-size:.95rem;color:var(--ink-2)}
.section-card em{font-size:.8rem;color:var(--accent);font-style:normal;text-transform:uppercase;letter-spacing:.1em}

/* Bloc final + footer (identiques à la landing) */
.final{padding:0 0 120px}
.related+.final,.blog-list+.final{padding-top:0}
.final-inner{background:var(--surface-2);border:1px solid var(--line);border-radius:28px;padding:88px 56px;display:grid;grid-template-columns:1.3fr auto;gap:48px;align-items:center}
.final h2{font-size:clamp(2rem,4vw,3.1rem);max-width:18ch}
.final p{margin-top:16px;max-width:48ch}
footer{border-top:1px solid var(--line);padding:40px 0;font-size:.92rem;color:var(--ink-3)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer nav{display:flex;gap:24px;flex-wrap:wrap}
footer a:hover{color:var(--ink)}

@media (max-width:1024px){
  .nav ul{display:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .section-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .post-card.featured{grid-template-columns:1fr;gap:24px}
  .final-inner{grid-template-columns:1fr;padding:48px 28px;border-radius:20px}
}
@media (max-width:768px){
  .nav-cta a:not(.btn){display:none}
  .nav-cta .btn{padding:9px 16px;font-size:.88rem}
  .blog-hero{padding:64px 0 40px}
  .post-grid{grid-template-columns:1fr}
  .post-cta{flex-direction:column;align-items:flex-start;padding:26px}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .archive li{flex-direction:column;gap:4px}
  .prose{font-size:1.05rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Language switcher: discreet segmented pill */
.lang{display:inline-flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;font-size:.74rem;font-weight:500;letter-spacing:.08em;line-height:1}
.nav-cta .lang a.lang-opt{display:inline-block;padding:5px 9px;border-radius:999px;color:var(--ink-3);transition:color .2s,background .2s}
.lang a.lang-opt:hover{color:var(--ink)}
.lang a.lang-opt[aria-current]{background:var(--accent-soft);color:var(--accent)}
.lang a.lang-opt:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:768px){.nav-cta{gap:10px}.nav-cta .lang a.lang-opt{padding:5px 7px}}
@media (max-width:420px){.nav-cta .lang a.lang-opt[aria-current]{display:none}.nav-cta .btn{padding:9px 14px}}