/* ============================================================
   Limnovo — feuille de style partagée (pages SEO & blog)
   Reprend la charte de index.php (couleurs, polices, composants).
   ============================================================ */
:root{
  --navy-950:#0a1420; --navy-900:#0e1b2b; --navy-850:#102234; --navy-800:#14283d; --navy-700:#1c3450;
  --cyan:#13b3c6; --cyan-bright:#2ad4e8; --cyan-deep:#0e8d9d;
  --ink:#0b1622; --paper:#f6f9fb; --mist:#e7eef3; --line:#dbe6ee;
  --slate:#566677; --slate-light:#8aa0b2; --white:#fff;
  --radius:16px; --radius-sm:11px;
  --shadow-soft:0 18px 50px -22px rgba(10,20,32,.30);
  --shadow-card:0 1px 2px rgba(10,20,32,.05),0 14px 32px -20px rgba(10,20,32,.22);
  --maxw:1180px;
  --font-d:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-b:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:"Space Grotesk",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-b);color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.14;margin:0;letter-spacing:-.02em;font-weight:800}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-mono);font-weight:500;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-deep)}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-d);font-weight:700;font-size:.98rem;padding:14px 24px;border-radius:12px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn:focus-visible{outline:3px solid var(--cyan-bright);outline-offset:3px}
.btn-primary{background:var(--cyan);color:#04222a;box-shadow:0 10px 28px -10px rgba(19,179,198,.7)}
.btn-primary:hover{background:var(--cyan-bright);transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(42,212,232,.65)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#16263a;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#0e2233;border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-deep);transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:1.04rem}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,20,32,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-family:var(--font-d);font-weight:800;font-size:1.32rem;letter-spacing:-.03em}
.brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(150deg,#0e8d9d,#2ad4e8);display:grid;place-items:center;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 8px 20px -8px rgba(42,212,232,.7)}
.brand .mark svg{width:20px;height:20px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:#c4d4e0;font-weight:600;font-size:.96rem;transition:color .15s}
.nav-links a:hover{color:#fff}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .login{color:#c4d4e0;font-weight:600;font-size:.96rem}
.nav-cta .login:hover{color:#fff}

/* Fil d'Ariane */
.breadcrumb{font-size:.82rem;color:var(--slate);padding:18px 0 0}
.breadcrumb a{color:var(--slate)}
.breadcrumb a:hover{color:var(--cyan-deep)}
.breadcrumb span{color:var(--slate-light)}

/* Hero de page */
.page-hero{padding:64px 0 30px;background:radial-gradient(900px 420px at 80% -20%,rgba(19,179,198,.10),transparent 60%)}
.page-hero .eyebrow{margin-bottom:16px;display:block}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.05rem);max-width:18ch}
.page-hero h1 .hl{color:var(--cyan-deep)}
.lead{font-size:1.16rem;color:var(--slate);max-width:62ch;margin:20px 0 0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* Sections & prose */
.section{padding:64px 0}
.section.tight{padding:44px 0}
.section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.s-head{max-width:64ch;margin-bottom:34px}
.s-head h2{font-size:clamp(1.6rem,3vw,2.15rem)}
.s-head p{color:var(--slate);font-size:1.06rem;margin:14px 0 0}
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:42px 0 14px}
.prose h3{font-size:1.22rem;margin:30px 0 10px}
.prose p{margin:0 0 16px;color:#27323d}
.prose ul{margin:0 0 18px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding:6px 0 6px 30px;color:#27323d}
.prose ul li::before{content:"";position:absolute;left:2px;top:13px;width:16px;height:9px;border-left:2.4px solid var(--cyan);border-bottom:2.4px solid var(--cyan);transform:rotate(-45deg)}
.prose strong{color:var(--ink)}
.prose a{color:var(--cyan-deep);text-decoration:underline;text-underline-offset:2px}

/* Grille de cartes */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card)}
.card .ic{width:42px;height:42px;border-radius:11px;background:linear-gradient(150deg,rgba(19,179,198,.16),rgba(42,212,232,.16));display:grid;place-items:center;margin-bottom:14px;color:var(--cyan-deep)}
.card .ic svg{width:22px;height:22px}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{color:var(--slate);font-size:.96rem;margin:0}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item h3{font-size:1.06rem;margin-bottom:8px}
.faq-item p{margin:0;color:var(--slate)}

/* Bandeau CTA */
.cta-band{background:linear-gradient(135deg,var(--navy-900),var(--navy-800));color:#fff;border-radius:var(--radius);padding:48px 40px;text-align:center;box-shadow:var(--shadow-soft)}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.1rem);color:#fff}
.cta-band p{color:#b7cad7;max-width:54ch;margin:14px auto 0;font-size:1.06rem}
.cta-band .hero-actions{justify-content:center}

/* Liste d'articles (blog) */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-card);transition:transform .15s,box-shadow .2s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
.post-card .tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-deep)}
.post-card h3{font-size:1.16rem;margin:10px 0 8px}
.post-card p{color:var(--slate);font-size:.95rem;margin:0}
.post-meta{color:var(--slate-light);font-size:.85rem;margin-top:8px}

/* Footer */
.footer{background:var(--navy-950);color:#9fb2c0;padding:64px 0 30px;border-top:1px solid rgba(255,255,255,.06)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:.92rem;max-width:32ch;color:#7e93a3}
.foot-col h4{color:#fff;font-size:.86rem;font-family:var(--font-mono);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:15px}
.foot-col a{display:block;color:#9fb2c0;font-size:.93rem;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--cyan-bright)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#7e93a3}

/* Responsive */
@media(max-width:900px){
  .card-grid,.card-grid.two,.post-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:680px){
  .nav-links,.nav-cta .login{display:none}
  .section{padding:48px 0}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 22px}
}