/* bambulabspool.com — premium AMS-focused tech aesthetic */
:root {
  --bg: #0b1220;
  --bg-elev: #121a2b;
  --surface: #18233a;
  --text: #e8eef9;
  --muted: #9aabc7;
  --accent: #3d8bfd;
  --accent-2: #6ee7b7;
  --border: rgba(255,255,255,.08);
  --radius: 14px;
  --max: 1100px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Segoe UI", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; display: block; }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: .5rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11,18,32,.85);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.logo {
  font-weight: 700; letter-spacing: -.02em; color: var(--text);
  font-size: 1.05rem; text-decoration: none;
}
.logo span { color: var(--accent-2); }
.nav-links {
  display: flex; flex-wrap: wrap; gap: .35rem .9rem;
  list-style: none; margin: 0; padding: 0; font-size: .92rem;
}
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; padding: .75rem 1.25rem; border-radius: 999px;
  font-weight: 600; border: 0; cursor: pointer; text-decoration: none;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #fff; box-shadow: 0 8px 24px rgba(61,139,253,.35);
}
.btn-primary:hover { box-shadow: 0 10px 28px rgba(61,139,253,.45); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); }

.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 70% -10%, rgba(61,139,253,.25), transparent),
    radial-gradient(ellipse 50% 40% at 10% 40%, rgba(110,231,183,.12), transparent);
}
.hero-grid {
  display: grid; gap: 2.5rem; align-items: center;
}
@media (min-width: 800px) {
  .hero-grid { grid-template-columns: 1.15fr .85fr; }
}
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: .75rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.15; letter-spacing: -.03em; margin: 0 0 1rem;
}
.lead { font-size: 1.1rem; color: var(--muted); max-width: 38ch; margin: 0 0 1.5rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.price-pill {
  font-size: .95rem; color: var(--muted);
}
.price-pill strong { color: var(--text); font-size: 1.15rem; }

.spool-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.spool-visual {
  aspect-ratio: 1; border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 50%, #1e3a5f 0%, transparent 55%),
    conic-gradient(from 0deg, #243552, #3d8bfd22, #243552, #6ee7b733, #243552);
  display: grid; place-items: center; margin-bottom: 1rem;
  position: relative; overflow: hidden;
}
.spool-visual svg { width: 70%; opacity: .95; }
.spool-meta { display: flex; justify-content: space-between; gap: 1rem; font-size: .9rem; color: var(--muted); }

.section { padding: 3.5rem 0; }
.section-alt { background: var(--bg-elev); border-block: 1px solid var(--border); }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -.02em; margin: 0 0 .75rem;
}
.section .intro { color: var(--muted); max-width: 60ch; margin: 0 0 2rem; }

.grid-3 {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center; margin-bottom: .85rem;
  background: rgba(61,139,253,.15); color: var(--accent);
}

.split {
  display: grid; gap: 2rem; align-items: start;
}
@media (min-width: 800px) {
  .split { grid-template-columns: 1fr 1fr; }
}
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  position: relative; padding: .55rem 0 .55rem 1.75rem;
  color: var(--muted); border-bottom: 1px solid var(--border);
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .9rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-2); box-shadow: 0 0 0 3px rgba(110,231,183,.2);
}

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--surface); color: var(--text); font-weight: 600; }
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: .75rem;
}
.faq summary {
  cursor: pointer; font-weight: 600; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; float: right; color: var(--accent); font-weight: 400;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: .75rem 0 0; }

.cta-banner {
  background: linear-gradient(135deg, #13203a, #1a2f52);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  align-items: center; justify-content: space-between;
}
.cta-banner h2 { margin: 0 0 .35rem; font-size: 1.4rem; }
.cta-banner p { margin: 0; color: var(--muted); }

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 2rem;
  background: #080e18;
}
.footer-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer h3 { margin: 0 0 .75rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer a { color: var(--text); text-decoration: none; font-size: .95rem; }
.site-footer a:hover { color: var(--accent); }
.footer-note { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }

.note {
  font-size: .9rem; color: var(--muted);
  padding: 1rem 1.15rem; border-left: 3px solid var(--accent);
  background: rgba(61,139,253,.08); border-radius: 0 var(--radius) var(--radius) 0;
}