/* ============================================================
   HeroSection (.c-hero-section)
   States driven by /js/behaviors/hero-section.js:
     .is-closed   on __highlights → carousel collapsed
     .is-scrolled on __highlights → strip faded out
     .is-active   on __card       → visible carousel card
   ============================================================ */

.c-hero-section {
  position: relative;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-black);
  /* Source inline gradient. Token mapping:
     rgba(229,240,255,.92) = blue-100 · rgba(0,84,255,.95) ≈ blue-500 ·
     #001a4d / #002e8a ≈ blue-600 mixed 30% / 60% into black. */
  background-image:
    radial-gradient(ellipse 85% 55% at 50% 110%, color-mix(in srgb, var(--color-blue-100) 92%, transparent) 0%, transparent 45%),
    radial-gradient(ellipse 90% 70% at 50% 100%, color-mix(in srgb, var(--color-blue-500) 95%, transparent) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-black) 0%, color-mix(in srgb, var(--color-blue-500) 30%, var(--color-black)) 60%, color-mix(in srgb, var(--color-blue-500) 60%, var(--color-black)) 100%);
}

.c-hero-section__scrim {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
}

/* ---------- Highlights strip ---------- */
.c-hero-section__highlights {
  position: relative;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding-top: 64px;
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  transition: opacity 0.3s;
}
@media (min-width: 768px) { .c-hero-section__highlights { padding-top: 80px; } }
.c-hero-section__highlights.is-scrolled { opacity: 0; pointer-events: none; }

.c-hero-section__highlights-inner {
  position: relative;
  margin-inline: auto;
  max-width: var(--container-large);
  padding-inline: 20px;
}
@media (min-width: 1024px) { .c-hero-section__highlights-inner { padding-inline: 32px; } }

.c-hero-section__bar {
  display: flex;
  height: 60px;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 768px) { .c-hero-section__bar { height: 64px; } }

.c-hero-section__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.70);
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}
.c-hero-section__toggle:hover {
  border-color: rgba(255, 255, 255, 0.30);
  background: rgba(255, 255, 255, 0.10);
  color: var(--color-white);
}
.c-hero-section__toggle svg {
  transform: rotate(180deg);
  transition: transform 0.2s;
}
.c-hero-section__highlights.is-closed .c-hero-section__toggle svg { transform: rotate(0deg); }

.c-hero-section__controls { display: flex; align-items: center; gap: 12px; }
.c-hero-section__highlights.is-closed .c-hero-section__controls { display: none; }

.c-hero-section__count { font-size: var(--fs-xs); color: rgba(255, 255, 255, 0.55); }

.c-hero-section__arrows { display: flex; align-items: center; gap: 6px; }
.c-hero-section__arrow {
  display: inline-flex;
  height: 32px;
  width: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.70);
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}
.c-hero-section__arrow:hover {
  border-color: rgba(255, 255, 255, 0.30);
  background: rgba(255, 255, 255, 0.10);
  color: var(--color-white);
}

/* Collapsible carousel — motion height:auto ⇄ 0 → grid-rows transition */
.c-hero-section__carousel {
  display: grid;
  grid-template-rows: 1fr;
  opacity: 1;
  transition: grid-template-rows 0.6s var(--ease-out-expo), opacity 0.3s ease-out;
}
.c-hero-section__highlights.is-closed .c-hero-section__carousel {
  grid-template-rows: 0fr;
  opacity: 0;
}
.c-hero-section__cards { min-height: 0; overflow: hidden; }
.c-hero-section__cards-grid {
  display: grid;
  padding-top: 4px;
  padding-bottom: 32px;
}
@media (min-width: 768px) { .c-hero-section__cards-grid { padding-bottom: 40px; } }

.c-hero-section__card {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.2s, border-color 0.2s;
}
@media (min-width: 768px) { .c-hero-section__card { padding: 24px; } }
.c-hero-section__card.is-active { opacity: 1; pointer-events: auto; }
.c-hero-section__card.is-active:hover {
  border-color: rgba(255, 255, 255, 0.30);
  background: rgba(255, 255, 255, 0.10);
}

.c-hero-section__card-eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-blue-200) 30%, transparent);
  background: color-mix(in srgb, var(--color-blue-200) 15%, transparent);
  padding: 2px 10px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-blue-200);
}
.c-hero-section__card-title {
  margin-top: 12px;
  font-size: 24px;
  line-height: 1.25;
  color: var(--color-white);
}
@media (min-width: 768px) { .c-hero-section__card-title { font-size: 26px; } }
.c-hero-section__card-body {
  margin-top: 6px;
  font-size: var(--fs-sm);
  line-height: var(--leading-body);
  color: var(--color-grey-on-black);
}
.c-hero-section__card-cta {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-blue-200);
}
.c-hero-section__card-cta svg { transition: transform 0.2s; }
.c-hero-section__card.is-active:hover .c-hero-section__card-cta svg {
  transform: translate(2px, -2px);
}

/* ---------- Main hero ---------- */
.c-hero-section__main {
  position: relative;
  display: flex;
  flex: 1 1 0%;
  align-items: flex-end;
}
.c-hero-section__main-inner {
  margin-inline: auto;
  width: 100%;
  max-width: var(--container-large);
  padding: 40px 20px 32px;
}
@media (min-width: 640px) { .c-hero-section__main-inner { padding-top: 48px; padding-bottom: 40px; } }
@media (min-width: 768px) { .c-hero-section__main-inner { padding-top: 64px; padding-bottom: 56px; } }
@media (min-width: 1024px) { .c-hero-section__main-inner { padding-inline: 32px; } }

.c-hero-section__grid {
  margin-top: -2px;
  display: grid;
  gap: 32px;
}
@media (min-width: 640px) { .c-hero-section__grid { gap: 40px; } }
@media (min-width: 1024px) { .c-hero-section__grid { grid-template-columns: 1.5fr 1fr; gap: 64px; } }

.c-hero-section__kicker { font-size: var(--fs-xs); line-height: 20px; font-weight: 500; color: var(--color-white); }
@media (min-width: 640px) { .c-hero-section__kicker { font-size: var(--fs-body); line-height: 24px; } }
@media (min-width: 768px) { .c-hero-section__kicker { font-size: var(--fs-xl); line-height: 28px; } }

.c-hero-section__title {
  margin-top: 16px;
  font-size: 40px;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--color-white);
}
@media (min-width: 640px) { .c-hero-section__title { margin-top: 20px; font-size: 48px; } }
@media (min-width: 768px) { .c-hero-section__title { font-size: 60px; } }
@media (min-width: 1024px) { .c-hero-section__title { font-size: 72px; } }

@media (min-width: 1024px) { .c-hero-section__aside { padding-top: 12px; } }

.c-hero-section__lede { font-size: var(--fs-body); line-height: var(--leading-body); color: var(--color-white); }
@media (min-width: 640px) { .c-hero-section__lede { font-size: var(--fs-body); } }
@media (min-width: 768px) { .c-hero-section__lede { font-size: var(--fs-xl); } }

.c-hero-section__cta { margin-top: 24px; }
@media (min-width: 640px) { .c-hero-section__cta { margin-top: 32px; } }