:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17191d;
  background: #f6f7f8;
  font-synthesis: none;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #f6f7f8; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(20px, 3vw, 44px);
  color: #fff;
  background: rgba(18, 20, 23, 0.94);
  border-bottom: 1px solid rgba(255,255,255,0.14);
}

.brand, .footer-brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 18px; }
.brand img { width: 31px; height: 31px; object-fit: contain; }
nav { display: flex; align-items: center; gap: clamp(15px, 1.8vw, 28px); font-size: 13px; color: #d9dcdf; }
nav a:hover, nav a:focus-visible, .footer-links a:hover { color: #fff; }
.header-action { justify-self: end; padding: 11px 16px; background: #fff; color: #15171a; font-size: 14px; font-weight: 750; border-radius: 6px; }
.menu-button { display: none; }
.status-strip { position: fixed; inset: 72px 0 auto; z-index: 19; min-height: 34px; display: flex; align-items: center; justify-content: center; gap: 18px; padding: 7px 20px; color: #17382d; background: #cce9dc; border-bottom: 1px solid #aad4c1; font-size: 12px; font-weight: 750; }
.status-strip a { text-decoration: underline; text-underline-offset: 3px; }

main { min-height: 100svh; }
.hero {
  position: relative;
  min-height: min(840px, 91svh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
  background: #191b1e url('/assets/ava-reference.png') center 22% / cover no-repeat;
}
.hero::before { content: ""; position: absolute; inset: 0 38% 0 0; background: rgba(10,21,17,0.9); }
.hero-content { position: relative; z-index: 1; width: min(690px, 58vw); margin: 0 0 8vh 7vw; padding-top: 118px; }
.eyebrow { margin: 0 0 18px; color: #a9d8c1; font-size: 13px; font-weight: 800; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(52px, 8vw, 108px); line-height: 0.94; font-weight: 850; letter-spacing: 0; }
.hero-copy { max-width: 540px; margin: 24px 0 30px; color: #e6e8e9; font-size: clamp(18px, 2vw, 24px); line-height: 1.45; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid #fff; border-radius: 6px; font-weight: 750; }
.button.primary { background: #fff; color: #15171a; }
.button.secondary { background: transparent; color: #fff; }

.band { padding: 80px max(6vw, 24px); }
.band.light { background: #f6f7f8; }
.band.white { background: #fff; }
.band.dark { background: #17191d; color: #fff; }
.band-grid { width: min(1180px, 100%); margin: 0 auto; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 8vw; }
.section-label { color: #287854; font-size: 13px; font-weight: 800; text-transform: uppercase; }
h2 { margin: 10px 0 0; font-size: clamp(34px, 5vw, 64px); line-height: 1.05; }
.lead { margin: 0; font-size: clamp(20px, 2.5vw, 31px); line-height: 1.45; color: #363a3f; }
.dark .lead { color: #d8dcdf; }
.detail-grid { width: min(1180px, 100%); margin: 50px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #d8dcdf; border: 1px solid #d8dcdf; }
.detail { min-height: 220px; padding: 28px; background: #fff; }
.detail h3 { margin: 0 0 14px; font-size: 21px; }
.detail p { margin: 0; color: #5b6066; line-height: 1.65; }

.route-hero { padding: 188px max(6vw, 24px) 72px; background: #13231e; color: #fff; }
.route-hero-inner, .route-content { width: min(1040px, 100%); margin: 0 auto; }
.route-hero h1 { font-size: clamp(44px, 7vw, 84px); }
.route-hero p { max-width: 760px; margin: 22px 0 0; color: #d8dcdf; font-size: 21px; line-height: 1.55; }
.route-content { padding: 70px 24px 100px; }
.route-content h2 { font-size: 34px; margin-top: 56px; }
.route-content p, .route-content li { color: #4d5359; font-size: 18px; line-height: 1.7; }
.route-content ul { padding-left: 22px; }
.status-line { margin-top: 34px; padding: 18px 0; border-top: 1px solid #d8dcdf; border-bottom: 1px solid #d8dcdf; font-weight: 750; color: #287854; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 42px max(6vw, 24px); color: #d8dcdf; background: #101214; }
.footer-links { display: flex; gap: 24px; }
footer p { grid-column: 1 / -1; margin: 16px 0 0; color: #8e949a; font-size: 13px; }

@media (max-width: 820px) {
  .site-header { height: 64px; grid-template-columns: 1fr auto; padding: 0 18px; }
  nav, .header-action { display: none; }
  .status-strip { inset-block-start: 64px; justify-content: space-between; gap: 12px; font-size: 11px; }
  .menu-button { display: block; padding: 9px 12px; border: 1px solid #5b6066; border-radius: 6px; color: #fff; background: transparent; }
  .site-header.open { height: auto; min-height: 64px; grid-template-rows: 64px auto; align-items: center; }
  .site-header.open nav { grid-column: 1 / -1; display: grid; gap: 0; padding-bottom: 14px; }
  .site-header.open nav a { padding: 13px 0; border-top: 1px solid #34383d; }
  .hero { min-height: 88svh; background-position: 59% 18%; }
  .hero::before { inset: 0; background: rgba(14,16,18,0.68); }
  .hero-content { width: auto; margin: 0 22px 50px; padding-top: 130px; }
  .hero-copy { font-size: 18px; }
  .band { padding-top: 58px; padding-bottom: 58px; }
  .band-grid, .detail-grid { grid-template-columns: 1fr; gap: 26px; }
  .detail-grid { gap: 1px; }
  .detail { min-height: 0; }
  footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
}
