/* =====================================================================
   INTELEO — Marketing site styles (public pages)
   ===================================================================== */

/* ---- Header / Nav -------------------------------------------------- */
.site-header { position:sticky; top:0; z-index:60; background:rgba(10,17,25,0.72);
  backdrop-filter:saturate(150%) blur(14px); border-bottom:1px solid var(--border-subtle); }
.nav { display:flex; align-items:center; gap:32px; height:68px; }
.nav .brand { display:flex; align-items:center; gap:10px; flex:none; }
.nav .brand .wm { font-family:var(--font-display); font-weight:600; font-size:21px; color:var(--text-strong); letter-spacing:-.02em; }
.nav .links { display:flex; gap:4px; margin-left:8px; }
.nav .links a { padding:8px 13px; border-radius:var(--r-sm); font-size:var(--fs-sm); color:var(--text-muted); font-weight:450; }
.nav .links a:hover { color:var(--text-strong); background:var(--surface-2); }
.nav .actions { margin-left:auto; display:flex; align-items:center; gap:10px; }
.nav-toggle { display:none; background:none; border:1px solid var(--border); border-radius:var(--r-sm); padding:8px; color:var(--text); cursor:pointer; }
.nav-toggle svg{ width:20px; height:20px; }

/* ---- Hero ---------------------------------------------------------- */
.hero { position:relative; overflow:hidden;
  background:
    radial-gradient(900px 460px at 78% -8%, rgba(59,130,246,.16), transparent 64%),
    radial-gradient(680px 380px at 6% 4%, rgba(34,211,238,.08), transparent 62%); }
.hero-grid { display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center; padding-block:84px 96px; }
.hero h1 { font-size:clamp(2.6rem,5vw,3.7rem); line-height:1.04; letter-spacing:-.025em; }
.hero .lede { font-size:var(--fs-lg); color:var(--text-muted); line-height:var(--lh-normal); margin-top:22px; max-width:46ch; }
.hero .cta-row { display:flex; gap:12px; flex-wrap:wrap; margin-top:30px; }
.hero .trust { display:flex; align-items:center; gap:9px; margin-top:22px; font-size:var(--fs-sm); color:var(--text-subtle); }

/* faint grid texture */
.grid-bg::before { content:""; position:absolute; inset:0; pointer-events:none;
  background-image:linear-gradient(var(--border-subtle) 1px,transparent 1px),linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px);
  background-size:48px 48px; mask-image:radial-gradient(circle at 50% 0%, #000, transparent 72%); opacity:.6; }

/* ---- Section scaffolding ------------------------------------------ */
.sec { padding-block:var(--sp-24); }
.sec-head { max-width:62ch; margin-bottom:48px; }
.sec-head.center { margin-inline:auto; text-align:center; }
.sec-head h2 { font-size:clamp(2rem,3.4vw,2.6rem); letter-spacing:-.02em; margin:14px 0 0; }
.sec-head p { color:var(--text-muted); font-size:var(--fs-lg); line-height:var(--lh-normal); margin-top:14px; }

.feature-grid { display:grid; gap:18px; }
.cols-2 { grid-template-columns:repeat(2,1fr); }
.cols-3 { grid-template-columns:repeat(3,1fr); }
.cols-4 { grid-template-columns:repeat(4,1fr); }

/* feature / use-case card */
.fcard { background:var(--surface-1); border:1px solid var(--border); border-radius:var(--r-lg); padding:26px;
  transition:border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
.fcard:hover { border-color:var(--border-strong); transform:translateY(-2px); box-shadow:var(--sh-lg); }
.fcard .ic { width:42px; height:42px; border-radius:var(--r-md); background:rgba(59,130,246,.13);
  display:flex; align-items:center; justify-content:center; color:var(--brand-400); margin-bottom:18px; }
.fcard .ic svg{ width:21px; height:21px; }
.fcard h3 { font-size:var(--fs-h4); margin-bottom:8px; }
.fcard p { color:var(--text-muted); font-size:var(--fs-sm); line-height:var(--lh-normal); }

/* step (how it works) */
.step { display:flex; gap:18px; padding:22px 0; }
.step .num { flex:none; width:38px; height:38px; border-radius:var(--r-md); background:var(--surface-2); border:1px solid var(--border-strong);
  font-family:var(--font-mono); color:var(--accent-cyan); display:flex; align-items:center; justify-content:center; font-size:var(--fs-sm); }
.step h3 { font-size:var(--fs-h4); margin-bottom:5px; }
.step p { color:var(--text-muted); font-size:var(--fs-sm); }

/* pricing */
.price-card { background:var(--surface-1); border:1px solid var(--border); border-radius:var(--r-xl); padding:30px; display:flex; flex-direction:column; }
.price-card.featured { border-color:rgba(59,130,246,.5); box-shadow:var(--glow-brand); background:linear-gradient(180deg,rgba(59,130,246,.06),transparent 40%),var(--surface-1); }
.price-card .pt { font-size:var(--fs-lg); font-weight:600; color:var(--text-strong); font-family:var(--font-display); }
.price-card .pp { font-size:2rem; font-family:var(--font-display); color:var(--text-strong); margin:14px 0 4px; letter-spacing:-.02em; }
.price-card ul { list-style:none; padding:0; margin:22px 0; display:flex; flex-direction:column; gap:11px; }
.price-card li { display:flex; gap:10px; font-size:var(--fs-sm); color:var(--text-muted); align-items:flex-start; }
.price-card li svg { width:16px; height:16px; color:var(--success); flex:none; margin-top:2px; }

/* CTA band */
.cta-band { border-radius:var(--r-2xl); border:1px solid var(--border-strong); padding:56px;
  background:radial-gradient(700px 320px at 80% 10%, rgba(59,130,246,.18), transparent 65%), var(--surface-1); text-align:center; }

/* ---- Footer -------------------------------------------------------- */
.site-footer { border-top:1px solid var(--border); background:var(--bg-base); padding-block:56px 32px; margin-top:0; }
.footer-grid { display:grid; grid-template-columns:1.6fr repeat(4,1fr); gap:36px; }
.footer-grid h5 { font-family:var(--font-sans); font-size:var(--fs-xs); text-transform:uppercase; letter-spacing:.08em; color:var(--text-subtle); margin-bottom:14px; font-weight:600; }
.footer-grid a { display:block; padding:5px 0; font-size:var(--fs-sm); color:var(--text-muted); }
.footer-grid a:hover{ color:var(--text-strong); }
.footer-bot { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
  margin-top:44px; padding-top:24px; border-top:1px solid var(--border-subtle); }
.footer-bot .lang { display:inline-flex; border:1px solid var(--border); border-radius:var(--r-sm); overflow:hidden; }
.footer-bot .lang button { padding:6px 12px; background:none; border:none; color:var(--text-subtle); font-size:var(--fs-xs); cursor:pointer; font-family:var(--font-mono); }
.footer-bot .lang button.on { background:var(--surface-3); color:var(--text-strong); }

/* ---- Auth pages ---------------------------------------------------- */
.auth { display:grid; grid-template-columns:1fr 1fr; min-height:100vh; }
.auth-form-col { display:flex; flex-direction:column; padding:32px 40px; overflow-y:auto; }
.auth-form-wrap { width:100%; max-width:420px; margin:auto; padding-block:32px; }
.auth-form-wrap .a-brand { display:inline-flex; align-items:center; gap:10px; margin-bottom:36px; }
.auth-form-wrap .a-brand .wm { font-family:var(--font-display); font-weight:600; font-size:20px; color:var(--text-strong); letter-spacing:-.02em; }
.auth-aside { position:relative; overflow:hidden; border-left:1px solid var(--border);
  background:radial-gradient(700px 420px at 70% 10%, rgba(59,130,246,.18), transparent 62%),
             radial-gradient(540px 360px at 10% 90%, rgba(34,211,238,.10), transparent 60%), var(--bg-base);
  display:flex; flex-direction:column; justify-content:center; padding:56px; }
.auth-aside .quote { font-family:var(--font-display); font-size:1.7rem; line-height:1.3; letter-spacing:-.02em; color:var(--text-strong); max-width:18ch; }
@media (max-width: 920px){
  .auth { grid-template-columns:1fr; }
  .auth-aside { display:none; }
}

/* ---- Blog ---------------------------------------------------------- */
.post-card { background:var(--surface-1); border:1px solid var(--border); border-radius:var(--r-lg); overflow:hidden;
  display:flex; flex-direction:column; transition:border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
.post-card:hover { border-color:var(--border-strong); transform:translateY(-2px); box-shadow:var(--sh-lg); }
.post-thumb { height:172px; position:relative; overflow:hidden; }
.post-thumb svg { position:absolute; inset:0; width:100%; height:100%; }
.post-card .pc-body { padding:20px; display:flex; flex-direction:column; gap:10px; flex:1; }
.post-card .pc-meta { display:flex; align-items:center; gap:10px; font-size:var(--fs-xs); color:var(--text-subtle); margin-top:auto; }
.post-card h3 { font-size:var(--fs-h4); line-height:var(--lh-snug); }
.post-card p { font-size:var(--fs-sm); color:var(--text-muted); line-height:var(--lh-normal); }

.filter-chips { display:flex; gap:8px; flex-wrap:wrap; }
.chip-btn { padding:8px 14px; border-radius:var(--r-pill); border:1px solid var(--border); background:var(--surface-1);
  color:var(--text-muted); font-size:var(--fs-sm); cursor:pointer; transition:all var(--transition); white-space:nowrap; }
.chip-btn:hover { border-color:var(--border-strong); color:var(--text-strong); }
.chip-btn.on { background:var(--brand-600); border-color:var(--brand-600); color:#fff; }

/* article body */
.article { max-width:720px; margin-inline:auto; }
.article .a-body { font-size:1.0625rem; line-height:var(--lh-relaxed); color:var(--text); }
.article .a-body h2 { font-size:1.6rem; margin:40px 0 14px; scroll-margin-top:90px; }
.article .a-body h3 { font-size:1.25rem; margin:28px 0 10px; }
.article .a-body p { margin-bottom:18px; }
.article .a-body ul { margin:0 0 18px; padding-left:22px; color:var(--text-muted); }
.article .a-body li { margin-bottom:8px; }
.article .a-body a { text-decoration:underline; text-underline-offset:2px; }
.pullquote { border-left:3px solid var(--brand-500); padding:6px 0 6px 22px; margin:28px 0; font-family:var(--font-display);
  font-size:1.4rem; line-height:1.35; letter-spacing:-.01em; color:var(--text-strong); }
.callout { display:flex; gap:13px; padding:18px 20px; border-radius:var(--r-md); background:var(--surface-1); border:1px solid var(--border);
  border-left:3px solid var(--accent-cyan); margin:24px 0; }
.callout .c-ic { width:20px; height:20px; color:var(--accent-cyan); flex:none; margin-top:2px; }
.callout .c-ti { font-weight:600; color:var(--text-strong); font-size:var(--fs-sm); margin-bottom:4px; }
.callout p { font-size:var(--fs-sm); color:var(--text-muted); margin:0 !important; }
.toc { position:sticky; top:90px; }
.toc h5 { font-size:var(--fs-2xs); text-transform:uppercase; letter-spacing:.1em; color:var(--text-faint); margin-bottom:12px; font-weight:600; }
.toc a { display:block; padding:6px 0 6px 12px; font-size:var(--fs-sm); color:var(--text-muted); border-left:2px solid var(--border); }
.toc a:hover { color:var(--text-strong); border-left-color:var(--brand-500); }
.share-btn { width:38px; height:38px; border-radius:var(--r-md); border:1px solid var(--border); background:var(--surface-1);
  color:var(--text-muted); display:flex; align-items:center; justify-content:center; transition:all var(--transition); }
.share-btn:hover { border-color:var(--border-strong); color:var(--text-strong); }

.newsletter { border-radius:var(--r-xl); border:1px solid var(--border-strong); padding:40px;
  background:radial-gradient(600px 280px at 80% 10%, rgba(34,211,238,.10), transparent 65%), var(--surface-1); }

@media (max-width: 820px){
  .toc-grid { grid-template-columns:1fr !important; }
  .toc { position:static; }
}

/* mobile nav panel */
.mobile-nav { display:none; }

/* ---- Responsive ---------------------------------------------------- */
@media (max-width: 900px){
  .nav .links { display:none; }
  .nav-toggle { display:inline-flex; }
  .nav .actions .btn-secondary { display:none; }
  .hero-grid { grid-template-columns:1fr; gap:40px; padding-block:56px 64px; }
  .cols-3,.cols-4 { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .cta-band { padding:36px 24px; }
  .mobile-nav.open { display:block; border-bottom:1px solid var(--border); background:var(--bg-base); padding:12px 0; }
  .mobile-nav a { display:block; padding:12px 24px; color:var(--text); font-size:var(--fs-base); }
}
@media (max-width: 560px){
  .cols-2,.cols-3,.cols-4 { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .sec { padding-block:var(--sp-16); }
}