/* ---- Section heads ----------------------------------------------------- */
.section-head { max-width: 42rem; margin-bottom: var(--space-12); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head__title { margin-top: var(--space-4); }
.section-head__sub {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--text-secondary);
  margin-top: var(--space-4);
  max-width: 52ch;
}
.section-head--center .section-head__sub { margin-inline: auto; }

/* ---- Breadcrumbs ------------------------------------------------------- */
.breadcrumbs { padding-top: var(--space-8); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.breadcrumbs li { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-xs); color: var(--text-tertiary); }
.breadcrumbs li::after { content: '/'; color: var(--border-strong); }
.breadcrumbs li:last-child::after { content: ''; }
.breadcrumbs a { color: var(--text-tertiary); }
.breadcrumbs a:hover { color: var(--brand-fg); }

/* ---- Aurora backdrop ---------------------------------------------------
   One decorative layer, pinned behind the hero. Pure CSS, no images. */
.aurora {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora::before,
.aurora::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}
.aurora::before {
  width: 52vw; height: 52vw; max-width: 760px; max-height: 760px;
  top: -18%; left: 4%;
  background: radial-gradient(circle, var(--aurora-1), transparent 70%);
  animation: aurora-drift 24s var(--ease) infinite;
}
.aurora::after {
  width: 44vw; height: 44vw; max-width: 640px; max-height: 640px;
  top: 4%; right: 2%;
  background: radial-gradient(circle, var(--aurora-2), transparent 70%);
  animation: aurora-drift 30s var(--ease) infinite reverse;
}

/* ---- Hero -------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 7vw, 7rem) clamp(3rem, 6vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}
.hero > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
.hero-content { max-width: 36rem; }
.hero h1 { margin-top: var(--space-5); max-width: 17ch; }
.hero-lede { margin-top: var(--space-6); }
.hero-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.hero-trust {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--fs-sm);
  color: var(--text-tertiary);
  max-width: 44ch;
}
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }

/* Centred hero variant, used on interior pages. */
.hero--centered { text-align: center; }
.hero--centered .hero-content { max-width: 46rem; margin-inline: auto; }
.hero--centered h1 { margin-inline: auto; max-width: 18ch; }
.hero--centered .lede { margin-inline: auto; }
.hero--centered .hero-actions { justify-content: center; }

/* ---- Stat strip -------------------------------------------------------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-10);
  border-block: 1px solid var(--border-subtle);
}
.stat-strip .stat { padding-inline-end: var(--space-6); border-right: 1px solid var(--border-subtle); }
.stat-strip .stat:last-child { border-right: none; padding-inline-end: 0; }

@media (max-width: 760px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: var(--space-8) var(--space-4); }
  .stat-strip .stat:nth-child(2n) { border-right: none; }
}

/* ---- Sticky sub-nav ---------------------------------------------------- */
.subnav {
  position: sticky;
  top: var(--header-h, 72px);
  z-index: 50;
  background: var(--surface-glass);
  backdrop-filter: blur(14px) saturate(1.6);
  -webkit-backdrop-filter: blur(14px) saturate(1.6);
  border-block: 1px solid var(--border-subtle);
  overflow-x: auto;
  scrollbar-width: none;
}
.subnav::-webkit-scrollbar { display: none; }
.subnav__list { display: flex; gap: var(--space-2); padding-block: var(--space-3); white-space: nowrap; }
.subnav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
.subnav__link:hover { background: var(--surface-2); color: var(--text-primary); }
.subnav__link.is-active { background: var(--brand-tint); color: var(--brand-fg); font-weight: 600; }

/* ---- CTA band ---------------------------------------------------------- */
.cta-band {
  position: relative;
  background: linear-gradient(150deg, var(--brand-800), var(--brand-950) 70%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(70% 90% at 50% 0%, hsl(230 80% 62% / .45), transparent 62%),
    radial-gradient(40% 60% at 85% 100%, hsl(38 85% 58% / .2), transparent 70%);
}
.cta-band h2 { color: #fff; margin-inline: auto; }
.cta-band p {
  color: hsl(228 40% 92%);
  opacity: .9;
  max-width: 48ch;
  margin-inline: auto;
  margin-top: var(--space-4);
}
.cta-band .hero-actions { justify-content: center; margin-top: var(--space-8); }

/* ---- Logo marquee ------------------------------------------------------ */
.logo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
@media (max-width: 760px) { .logo-strip { grid-template-columns: repeat(2, 1fr); } }

.marquee {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: var(--space-4);
  width: max-content;
  animation: marquee-scroll 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee .client-logo { width: 210px; flex-shrink: 0; }
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .marquee { mask-image: none; -webkit-mask-image: none; overflow-x: auto; }
}

/* ---- FAQ / accordion --------------------------------------------------- */
.faq { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  background: var(--surface-raised);
  padding: var(--space-5) var(--space-6);
  transition: border-color var(--dur-base) var(--ease);
}
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary {
  font-weight: 600;
  font-size: var(--fs-base);
  letter-spacing: -.01em;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { color: var(--text-tertiary); transition: transform var(--dur-base) var(--ease); }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-item .faq-answer {
  margin-top: var(--space-4);
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.65;
  max-width: 62ch;
}

/* ---- Pricing ----------------------------------------------------------- */
.pricing-panel { padding: var(--space-8); }
.pricing-panel .price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.pricing-panel .price-row:last-of-type { border-bottom: none; }
.pricing-panel .price-value {
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.pricing-panel .price-note {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  line-height: 1.6;
}

/* ---- Callout ----------------------------------------------------------- */
.callout {
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--brand-tint), transparent 80%);
  border: 1px solid color-mix(in oklab, var(--brand-500) 18%, transparent);
  border-radius: var(--radius-card);
}
.callout strong { color: var(--brand-fg); }
.callout--accent {
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent-500) 10%, transparent), transparent 80%);
  border-color: color-mix(in oklab, var(--accent-500) 28%, transparent);
}
.callout--accent strong { color: var(--accent-fg); }

/* ---- Detail grid ------------------------------------------------------- */
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; gap: var(--space-10); } }

/* ---- Back to top ------------------------------------------------------- */
.back-to-top {
  position: fixed; right: var(--space-6); bottom: var(--space-6); z-index: 90;
  width: 44px; height: 44px; border-radius: var(--radius-pill);
  background: var(--surface-raised);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), visibility var(--dur-base), color var(--dur-base) var(--ease);
}
.back-to-top:hover { color: var(--brand-fg); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

/* ---- Hero layout: stack on narrow ------------------------------------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-content { max-width: none; }
  .hero-visual { order: 2; }
}