/* IBDEX site shared styles */
:root{
  --bg:#f7f9fb; --surface:#ffffff; --surface-2:#f4f7fa; --ink:#111827; --muted:#667085; --soft:#98a2b3;
  --line:#e5e7eb; --line-2:#d7dde5; --brand:#0f766e; --brand-dark:#0d5f58; --brand-2:#2563eb;
  --shadow:0 20px 50px rgba(15,23,42,.08); --shadow-sm:0 10px 24px rgba(15,23,42,.06);
  --radius:16px; --radius-sm:12px;
  --font:"Inter","IBM Plex Sans","Segoe UI",Arial,sans-serif;
  --maxw:1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);background:var(--bg);color:var(--ink);letter-spacing:-.01em;
  line-height:1.55;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand-2)}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---- Nav ---- */
.site-header{
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:50;
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:19px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--brand)}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{
  color:var(--ink);text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px;
}
.nav-links a:hover{background:var(--surface-2)}
.nav-links a.active{color:var(--brand);background:#effaf8}
.nav-links a.cta{background:var(--brand);color:#fff;font-weight:600}
.nav-links a.cta:hover{background:var(--brand-dark)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle svg{display:block}

body.nav-open{overflow:hidden}

@media (max-width:760px){
  .nav-toggle{display:block}
  /* backdrop-filter on .site-header creates a new containing block for any
     position:fixed descendant, so the fixed mobile menu below was being
     positioned relative to the 60px-tall header instead of the viewport.
     Drop the blur on mobile so .nav-links fixes to the viewport correctly. */
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav-links{
    position:fixed;inset:60px 0 0 0;background:var(--surface);flex-direction:column;align-items:stretch;
    padding:14px;gap:2px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:.16s ease;
    border-top:1px solid var(--line);overflow-y:auto;z-index:60;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-links a.cta{margin-top:8px;text-align:center;border-bottom:none}
}

/* ---- Page content ---- */
main{padding:48px 0 80px}
.hero{padding:20px 0 12px}
h1{font-size:clamp(30px,5.4vw,44px);line-height:1.08;margin:0 0 10px;color:var(--ink)}
h1 .accent{color:var(--brand)}
h2{font-size:clamp(22px,3.4vw,28px);margin:0 0 12px}
h3{font-size:18px;margin:0 0 8px}
p{font-size:16px;color:var(--ink)}
.lede{font-size:18px;color:var(--muted);max-width:640px}
.pill{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);background:#effaf8;border:1px solid #cfeee9;padding:4px 10px;border-radius:999px;margin-bottom:14px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px}
.stat .n{font-size:24px;font-weight:700;color:var(--brand)}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:2px}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:10px;font-weight:600;
  font-size:15.5px;text-decoration:none;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--line-2)}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.card + .card{margin-top:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:760px){.grid-2,.grid-3{grid-template-columns:1fr}}

.disclaimer{margin-top:26px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fafbfc;font-size:13.5px;color:var(--muted)}
.disclaimer strong{color:var(--ink)}

.step{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step .num{
  flex:0 0 30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:13.5px;
  display:flex;align-items:center;justify-content:center;
}
.step .body h3{margin-bottom:4px}
.step .body p{margin:0;color:var(--muted);font-size:15px}

.kv{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.kv span{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--muted)}

.plot-card{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:start}
.plot-card .swatch{width:180px;height:120px;border-radius:12px;border:1px solid var(--line)}
@media (max-width:640px){.plot-card{grid-template-columns:1fr}.plot-card .swatch{width:100%}}

.site-footer{border-top:1px solid var(--line);padding:32px 0;margin-top:20px}
.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}
.site-footer a{color:var(--muted)}

code{background:var(--surface-2);padding:2px 6px;border-radius:5px;font-size:13.5px}
ul.plain{padding-left:20px;margin:10px 0}
ul.plain li{margin:6px 0;color:var(--ink)}