/* Product landing pages */
.product-landing { padding-top: 64px; }
.product-hero {
  padding: calc(var(--section-y) + 16px) 0 var(--section-y);
  position: relative;
  overflow: hidden;
}
.product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 50% 0%, var(--g-blue-soft), transparent 65%);
  pointer-events: none;
}
.product-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.product-hero .lead { margin-left: auto; margin-right: auto; }
.product-hero-actions { justify-content: center; }
.product-hero .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--g-blue-soft);
  border-radius: var(--radius-pill);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--g-blue-ink);
  margin-bottom: 16px;
}
[data-theme="dark"] .product-hero .tag { color: var(--g-blue); }
.product-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.product-hero h1 span { color: var(--g-blue); }
.product-hero .lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 560px;
}
.product-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.product-section { padding: var(--section-y) 0; }
.product-section--alt {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.product-sh { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.product-sh h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; margin-bottom: 10px; }
.product-sh p { color: var(--text-secondary); line-height: 1.65; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}
.product-card h3 { font-size: 16px; font-weight: 800; margin-bottom: 8px; }
.product-card p { font-size: 14px; line-height: 1.6; color: var(--text-secondary); }
.product-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-step {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.product-step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--g-blue-soft);
  color: var(--g-blue);
  font-weight: 800;
  font-size: 14px;
  display: grid;
  place-items: center;
  margin: 0 auto 12px;
}
.product-step h4 { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.product-step p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.product-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.product-spec {
  display: flex;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
}
.product-spec strong { font-weight: 700; }
.product-cta {
  text-align: center;
  padding: 48px 24px;
  background: var(--g-blue-soft);
  border-radius: var(--radius-lg);
  margin-top: 16px;
}
.product-cta h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.product-cta p { color: var(--text-secondary); margin-bottom: 20px; }
@media (max-width: 900px) {
  .product-grid, .product-steps { grid-template-columns: 1fr 1fr; }
  .product-specs { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .product-grid, .product-steps { grid-template-columns: 1fr; }
}

/* Lab-only pages (authenticated) */
.lab-page { padding: 24px var(--gutter) 40px; max-width: var(--container-max); margin: 0 auto; }
.lab-page .workspace { min-height: calc(100vh - var(--topbar-h, 64px) - 80px); }