/* Blog Resonance — thème clair, aligné sur la landing. Généré par scripts/build-blog.mjs */
:root{
  --ink:#eef3f1;--halo:#ffffff;--veil:#dde7e3;--line:rgba(18,46,43,.09);--line-strong:rgba(18,46,43,.16);
  --haze:#7a8d89;--mist:#4c625f;--pearl:#12302e;--glow:#0e9081;--glow-deep:#0a7568;--ember:#b9791f;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Helvetica,Arial,sans-serif;
  --maxw:72rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--pearl);background:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--glow-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.5rem}
.eyebrow{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--glow);font-weight:600;margin:0}

/* header / footer */
.site-head{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);background:linear-gradient(to bottom,rgba(238,243,241,.9),rgba(238,243,241,.6));border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:4rem}
.wordmark{font-size:.9rem;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--glow);display:inline-flex;align-items:center;gap:.55rem}
.wordmark img{display:block}
.site-nav{display:flex;align-items:center;gap:1.4rem;font-size:.85rem;font-weight:600}
.site-nav>a{color:var(--mist)}
.site-nav>a:hover{color:var(--pearl);text-decoration:none}
.site-nav>a.site-cta{display:inline-flex;align-items:center;gap:.5rem;color:#fff;letter-spacing:.01em;background:linear-gradient(135deg,#17b3a2 0%,var(--glow) 46%,var(--glow-deep) 100%);padding:.48rem 1.05rem;border-radius:999px;box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 1px 2px rgba(6,78,70,.35),0 12px 26px -12px rgba(14,144,129,.85);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.site-nav>a.site-cta svg{width:.88rem;height:.88rem;stroke:currentColor;stroke-width:2.1;fill:none;opacity:.95}
.site-nav>a.site-cta:hover{color:#fff;transform:translateY(-1.5px);filter:brightness(1.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.34),0 2px 4px rgba(6,78,70,.4),0 18px 34px -12px rgba(14,144,129,.95)}
.site-nav>a.site-cta:active{transform:translateY(0);filter:brightness(.98)}
.lang{display:inline-flex;gap:.15rem;border:1px solid var(--line-strong);border-radius:999px;overflow:hidden}
.lang a{padding:.28rem .6rem;color:var(--mist);font-size:.72rem;letter-spacing:.06em}
.lang a:hover{text-decoration:none}
.lang a[aria-current="true"]{background:var(--glow);color:#fff}
.site-foot{border-top:1px solid var(--line);padding:2.4rem 0 3rem;margin-top:4rem;background:var(--veil)}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
.foot .links{display:flex;flex-wrap:wrap;gap:1.3rem;font-size:.9rem}
.foot .links a{color:var(--mist)}
.foot-right{display:flex;align-items:center;gap:1rem}
.foot .copy{color:var(--haze);font-size:.85rem}

/* article layout */
.article-wrap{padding:2.5rem 0 1rem}
.article{max-width:44rem;margin-inline:auto}
.crumbs{font-size:.8rem;color:var(--haze);margin-bottom:1.4rem;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.crumbs a{color:var(--mist)}
.crumbs span[aria-current]{color:var(--haze)}
.article h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,4.5vw,3rem);line-height:1.12;letter-spacing:-.01em;margin:.6rem 0 0}
.standfirst{font-size:1.2rem;color:var(--mist);margin:1.1rem 0 0;line-height:1.5}
.byline{font-size:.82rem;color:var(--haze);margin:1.2rem 0 0;padding-bottom:1.4rem;border-bottom:1px solid var(--line)}

/* toc */
.toc{background:var(--halo);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.3rem;margin:1.8rem 0}
.toc-title{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--haze);font-weight:600;margin:0 0 .6rem}
.toc ul{margin:0;padding:0;list-style:none;display:grid;gap:.4rem}
.toc a{color:var(--mist);font-size:.95rem}

/* prose */
.prose{font-size:1.075rem}
.prose>h2{font-family:var(--serif);font-weight:500;font-size:1.7rem;line-height:1.2;margin:2.6rem 0 .9rem;scroll-margin-top:5rem;position:relative}
.prose>h3{font-weight:700;font-size:1.22rem;margin:2rem 0 .7rem;scroll-margin-top:5rem}
.prose p{margin:0 0 1.1rem}
.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.3rem}
.prose li{margin:.4rem 0}
.prose strong{color:var(--pearl)}
.prose a{text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(14,144,129,.35)}
.prose blockquote{margin:1.6rem 0;padding:.4rem 0 .4rem 1.3rem;border-left:3px solid var(--glow);font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--mist)}
.prose blockquote cite{display:block;font-style:normal;font-size:.85rem;color:var(--haze);margin-top:.5rem}
.prose code{background:var(--veil);padding:.12em .4em;border-radius:5px;font-size:.9em}
.prose h2 .anchor,.prose h3 .anchor{position:absolute;left:-1.2rem;color:var(--line-strong);opacity:0;font-weight:400;text-decoration:none}
.prose h2:hover .anchor,.prose h3:hover .anchor{opacity:1}
.prose table{width:100%;border-collapse:collapse;margin:1.6rem 0;font-size:.96rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line-strong);padding:.6rem .8rem;text-align:left}
.prose th{background:var(--veil);font-weight:600}
.prose img{border-radius:14px;margin:1.6rem 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4rem 0}

/* callout inline app cta */
.app-inline{display:flex;gap:.9rem;align-items:flex-start;background:linear-gradient(120deg,rgba(14,144,129,.08),rgba(14,144,129,.02));border:1px solid rgba(14,144,129,.2);border-radius:14px;padding:1rem 1.2rem;margin:1.8rem 0}
.app-inline p{margin:0;font-size:.98rem;color:var(--mist)}
.app-inline a{font-weight:600;white-space:nowrap}
.app-inline-orb{flex:none;width:1.5rem;height:1.5rem;border-radius:50%;margin-top:.15rem;background:radial-gradient(circle at 38% 32%,#fff 0%,#8fe4d5 30%,var(--glow) 66%,var(--glow-deep) 100%);box-shadow:0 4px 14px -4px rgba(14,144,129,.5)}

/* app banner */
.app-cta{position:relative;overflow:hidden;margin:3rem 0 1rem;border:1px solid var(--line);border-radius:22px;padding:2.2rem;background:radial-gradient(130% 120% at 12% 0%,rgba(14,144,129,.12),transparent 55%),var(--halo);box-shadow:0 24px 50px -34px rgba(18,46,43,.4)}
.app-cta-orb{position:absolute;right:-3rem;top:-3rem;width:12rem;height:12rem;border-radius:50%;background:radial-gradient(circle at 38% 32%,#fff 0%,#8fe4d5 26%,var(--glow) 62%,var(--glow-deep) 100%);opacity:.16}
.app-cta-body{position:relative}
.app-cta-kicker{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--glow);font-weight:600;margin:0}
.app-cta-title{font-family:var(--serif);font-weight:500;font-size:1.6rem;margin:.5rem 0 0}
.app-cta-text{color:var(--mist);margin:.7rem 0 1.4rem;max-width:34rem}
.app-cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.badge-store{display:inline-flex;align-items:center;gap:.6rem;border:1px solid var(--line);border-radius:13px;padding:.55rem 1rem;background:var(--halo)}
.badge-store svg{width:1.4rem;height:1.4rem;fill:var(--pearl);flex:none}
.badge-store .bt{display:flex;flex-direction:column;line-height:1.12}
.badge-store .bt small{font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:var(--haze)}
.badge-store .bt strong{font-size:.92rem}
.btn-primary{background:var(--glow);color:#fff;font-weight:600;font-size:.95rem;padding:.7rem 1.3rem;border-radius:12px}
.btn-primary:hover{background:var(--glow-deep);text-decoration:none}

/* faq */
.faq{margin:3rem 0 0}
.faq>h2{font-family:var(--serif);font-weight:500;font-size:1.6rem;margin:0 0 1rem}
.faq-item{border:1px solid var(--line);border-radius:12px;padding:.2rem 1.1rem;margin:.6rem 0;background:var(--halo)}
.faq-item summary{cursor:pointer;font-weight:600;padding:.9rem 0;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;color:var(--glow);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 0 1rem;color:var(--mist)}

/* related */
.related{margin:3rem 0 0}
.related>h2{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin:0 0 1.1rem}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.rel-card{display:flex;flex-direction:column;gap:.35rem;border:1px solid var(--line);border-radius:14px;padding:1.2rem;background:var(--halo)}
.rel-card:hover{border-color:var(--glow);text-decoration:none}
.rel-kicker{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--glow);font-weight:600}
.rel-title{font-weight:600;color:var(--pearl);font-size:1.02rem}
.rel-desc{font-size:.88rem;color:var(--mist)}

/* index pages */
.idx-wrap{padding:3rem 0}
.idx-h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,4.5vw,2.8rem);margin:.6rem 0 0}
.idx-lead{color:var(--mist);font-size:1.12rem;max-width:40rem;margin:1rem 0 2.4rem}
.idx-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.idx-card{display:flex;flex-direction:column;gap:.45rem;border:1px solid var(--line);border-radius:16px;padding:1.5rem;background:var(--halo);box-shadow:0 20px 40px -34px rgba(18,46,43,.4)}
.idx-card:hover{border-color:var(--glow);text-decoration:none}
.idx-card.pillar{grid-column:1/-1;background:radial-gradient(120% 120% at 0% 0%,rgba(14,144,129,.08),transparent 55%),var(--halo)}
.idx-kicker{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--glow);font-weight:600}
.idx-title{font-family:var(--serif);font-weight:500;font-size:1.35rem;color:var(--pearl)}
.idx-desc{color:var(--mist);font-size:.95rem}

@media (max-width:760px){
  .rel-grid,.idx-grid{grid-template-columns:1fr}
  .article-wrap{padding:1.6rem 0 0}
  .nav{height:3.4rem}
  .wordmark{letter-spacing:.14em;font-size:.8rem;gap:.4rem}
  .wordmark img{width:20px;height:20px}
  .site-nav{gap:.75rem;font-size:.82rem}
  .lang a{padding:.24rem .5rem}
}
@media (max-width:430px){
  .wordmark span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .site-nav{gap:.6rem}
}