/* ── Features — dark carousel ── */
.features.dark {
  padding: var(--space-20) 0 var(--space-16);
}

.feat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-8);
}

.feat-heading {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--weight-black);
  color: var(--color-dark-text);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.feat-sub {
  font-size: var(--text-sm);
  color: var(--color-dark-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.feat-controls { display: flex; gap: var(--space-3); }

.feat-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-dark-rule);
  background: transparent;
  color: var(--color-dark-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--duration-base), color var(--duration-base);
  flex-shrink: 0;
}
.feat-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.feat-track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: var(--space-4);
}
.feat-track::-webkit-scrollbar { display: none; }

.feat-slide {
  flex: 0 0 clamp(280px, 28vw, 360px);
  scroll-snap-align: start;
  background: var(--color-dark-alt);
  border: 1px solid var(--color-dark-border);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--duration-slow);
}
.feat-slide:hover { border-color: rgba(200, 131, 42, 0.45); }

.feat-icon-wrap {
  height: 72px;
  display: flex;
  align-items: flex-end;
  color: var(--color-accent);
}

.feat-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-dark-text);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.feat-desc {
  font-size: var(--text-sm);
  color: var(--color-dark-muted);
  line-height: var(--leading-normal);
  flex: 1;
}

/* ── Databases — engine card grid ── */
.db-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
@media (min-width: 640px)  { .db-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .db-grid { grid-template-columns: repeat(4, 1fr); } }

.db-card {
  background: var(--color-white);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: background var(--duration-base);
}
.db-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--duration-base);
}
.db-card:hover { background: var(--color-accent-faint); }
.db-card:hover::after { opacity: 1; }

.db-card-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
}

.db-logo {
  display: block;
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  object-position: left center;
}

.db-logo-lg {
  height: 60px;
  max-width: 220px;
}

.db-logo-invert {
  filter: invert(1);
}


.db-logo-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.db-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  background: var(--color-accent);
  color: var(--color-white);
  border: 1px solid var(--color-accent);
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.db-card-link {
  align-self: flex-end;
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #3b82f6;
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  transition: opacity var(--duration-fast);
  padding-top: var(--space-2);
}
.db-card-link:hover { opacity: 0.7; text-decoration: underline; }

.db-card-featured {
  background: var(--color-accent-faint);
}
.db-card-featured::after {
  opacity: 1;
}
.db-card-featured .db-card-type {
  font-weight: var(--weight-semibold);
}

.db-card-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-500);
  line-height: var(--leading-snug);
}

/* ── Support section ── */

.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (min-width: 900px) {
  .support-grid { grid-template-columns: 1fr 1.3fr; }
}

.support-overline {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.support-heading {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: var(--weight-black);
  color: var(--color-ink-900);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.support-desc {
  font-size: var(--text-base);
  color: var(--color-ink-500);
  line-height: var(--leading-normal);
  max-width: 42ch;
  margin-bottom: var(--space-8);
}

.support-cta {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--duration-fast);
}
.support-cta:hover { opacity: 0.7; }

.support-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.support-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}
.support-item:first-child { border-top: 1px solid var(--color-border); }

.support-item-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.support-item-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-ink-900);
  margin-bottom: var(--space-1);
}

.support-item-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-500);
  line-height: var(--leading-normal);
}

/* ── Trust ── */
.trust { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.trust-items {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: var(--space-6); margin-bottom: var(--space-4);
}
.trust-item { display: flex; align-items: center; gap: var(--space-3); }
.trust-icon { color: var(--color-accent); flex-shrink: 0; }
.trust-title { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--color-ink-900); }
.trust-sub { font-size: var(--text-xs); color: var(--color-ink-500); font-family: var(--font-mono); }
.trust-divider { width: 1px; height: 36px; background: var(--color-rule); flex-shrink: 0; }
@media (max-width: 767px) { .trust-divider { display: none; } }
.trust-note { text-align: center; font-size: var(--text-xs); color: var(--color-ink-300); font-family: var(--font-mono); }

/* ── FAQ ── */
.faq-header { margin-bottom: var(--space-12); }
.faq-list {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--space-16);
}
@media (min-width: 768px) {
  .faq-list { grid-template-columns: 1fr 1fr; }
}
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-4); padding: var(--space-4) 0; cursor: pointer;
  font-size: var(--text-base); font-weight: var(--weight-semibold);
  color: var(--color-ink-900); list-style: none;
  transition: color var(--duration-fast);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question:hover { color: var(--color-accent); }
.faq-chevron { flex-shrink: 0; transition: transform var(--duration-base) var(--ease-out); }
details[open] .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding-bottom: var(--space-4); padding-right: var(--space-8); }
.faq-answer p { color: var(--color-ink-500); line-height: var(--leading-normal); font-size: var(--text-sm); }

/* ── CTA Final — dark split layout ── */
.cta-final { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 768px) {
  .cta-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.cta-heading {
  font-size: clamp(3.5rem, 9vw, 9rem);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-dark-text);
}
.cta-heading-accent { color: var(--color-accent); }

.cta-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.cta-sub {
  font-size: var(--text-lg);
  color: var(--color-dark-muted);
  line-height: var(--leading-normal);
}

.cta-action {
  display: inline-block;
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--duration-fast);
}
.cta-action:hover { opacity: 0.75; }

.cta-compat {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-dark-muted);
  letter-spacing: var(--tracking-wide);
}

/* ── OPS Explainer ── */
.ops-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
@media (min-width: 900px) {
  .ops-top { grid-template-columns: 1fr 1.4fr; align-items: start; gap: var(--space-16); }
}

.ops-heading {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: var(--weight-black);
  color: var(--color-ink-900);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  margin-top: var(--space-3);
}

.ops-intro {
  font-size: var(--text-base);
  color: var(--color-ink-500);
  line-height: var(--leading-normal);
  padding-top: var(--space-1);
}
@media (min-width: 900px) { .ops-intro { padding-top: var(--space-8); } }

.ops-unit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-12);
}
@media (min-width: 768px) { .ops-unit-grid { grid-template-columns: repeat(4, 1fr); } }

.ops-resource-card {
  background: var(--color-cream-50);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ops-resource-name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-ink-400);
}

.ops-resource-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink-900);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.ops-resource-unit {
  font-size: var(--text-sm);
  font-weight: var(--weight-regular);
  color: var(--color-ink-400);
}

.ops-bar-wrap {
  height: 3px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}
.ops-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
}

.ops-resource-note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-ink-300);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.ops-resource-card-cpu { justify-content: space-between; }
.ops-resource-value-sm {
  font-size: var(--text-lg);
  line-height: 1.3;
}

.ops-plans-table {
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: var(--space-12);
}

.ops-plans-header,
.ops-plans-row {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  border-bottom: 1px solid var(--color-border);
}
.ops-plans-row:last-child { border-bottom: 0; }

.ops-plans-header { background: var(--color-cream-100); }

.ops-plans-col {
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink-400);
  border-right: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ops-plans-col:last-child { border-right: 0; }

.ops-plans-label {
  font-weight: var(--weight-semibold);
  color: var(--color-ink-700);
}

.ops-plans-val {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-ink-900);
  text-transform: none;
  letter-spacing: 0;
}

.ops-plans-row-featured { background: var(--color-accent-faint); }

.ops-plan-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  background: var(--color-cream-200);
  color: var(--color-ink-500);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}
.ops-plan-tag-accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.ops-burst-block {
  background: var(--color-dark);
  margin-bottom: var(--space-8);
}

.ops-burst-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  padding: var(--space-16) var(--space-12);
}
@media (min-width: 768px) {
  .ops-burst-inner {
    grid-template-columns: 1fr 1.6fr;
    align-items: center;
    gap: var(--space-16);
  }
}

.ops-burst-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: var(--weight-black);
  color: var(--color-dark-text);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.ops-burst-desc {
  font-size: var(--text-sm);
  color: var(--color-dark-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-8);
}

.obs-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.obs-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.obs-val {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: var(--weight-black);
  color: var(--color-accent);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.obs-lbl {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: rgba(255,255,255,0.35);
}

.obs-sep {
  width: 1px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.ops-burst-chart-wrap {
  height: 220px;
  position: relative;
}

.ops-footnote {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-400);
  line-height: var(--leading-normal);
  max-width: 72ch;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}