:root {
  --ink: #171b20;
  --muted: #61707b;
  --line: #dbe4e8;
  --wash: #f4f7f6;
  --nav: #101820;
  --teal: #08766e;
  --teal-dark: #075a55;
  --coral: #c8553d;
  --gold: #af7b16;
  --green: #3f7b56;
  --blue: #426fb3;
  --soft-teal: #e5f4f1;
  --shadow: 0 24px 60px rgba(18, 29, 39, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 8%, rgba(8, 118, 110, 0.18), transparent 28%),
    linear-gradient(135deg, #fbfcfb 0%, var(--wash) 48%, #f6f1ea 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 28px;
  border-bottom: 1px solid rgba(219, 228, 232, 0.8);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 950;
}

.brand-link span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: white;
  background: var(--coral);
}

.site-nav nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.nav-cta,
.primary-link,
.secondary-link,
.form-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 900;
}

.nav-cta,
.primary-link {
  padding: 0 18px;
  color: white;
  background: var(--teal);
  box-shadow: 0 14px 28px rgba(8, 118, 110, 0.2);
}

.secondary-link {
  padding: 0 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 44px;
  min-height: calc(100vh - 76px);
  padding: 52px 28px 64px;
  max-width: 1240px;
  margin: 0 auto;
}

.hero-media {
  min-height: 520px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background:
    linear-gradient(160deg, rgba(16, 24, 32, 0.82), rgba(8, 118, 110, 0.18)),
    linear-gradient(135deg, #19232b, #2a3740);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.flight-board {
  width: min(86%, 520px);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: white;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.board-top,
.board-alert {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.board-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

.board-top span,
.board-grid span,
.board-alert span {
  color: #b9c8ce;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.board-alert {
  padding: 18px;
  margin-bottom: 12px;
  border-left: 4px solid #f2c36b;
}

.board-alert strong {
  display: block;
  margin: 7px 0;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1;
}

.board-alert p {
  margin: 0;
  color: #d8e1e4;
  line-height: 1.45;
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.board-grid article {
  display: grid;
  gap: 6px;
  padding: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.3rem, 7.2vw, 6.6rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-text {
  margin-bottom: 26px;
  color: #45535f;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.proof-strip,
.section,
.final-cta {
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 28px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 0;
}

.proof-strip article,
.steps article,
.signal-grid article,
.comparison-grid article,
.receipt-card {
  border: 1px solid rgba(219, 228, 232, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.proof-strip article {
  display: grid;
  gap: 6px;
  padding: 18px;
}

.proof-strip span,
.section-heading p,
.steps p,
.signal-grid p,
.comparison-grid p,
.receipt-card p {
  color: var(--muted);
  line-height: 1.5;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 34px;
  align-items: start;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.steps {
  display: grid;
  gap: 14px;
}

.steps article {
  padding: 20px;
}

.steps span {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--coral);
  font-size: 0.8rem;
  font-weight: 950;
}

.steps h3,
.signal-grid h3,
.comparison-grid h3 {
  margin-bottom: 8px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.signal-grid,
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.signal-grid article,
.comparison-grid article {
  padding: 20px;
}

.dot {
  display: block;
  width: 13px;
  height: 13px;
  margin-bottom: 22px;
  border-radius: 50%;
}

.dot.teal {
  background: var(--teal);
}

.dot.gold {
  background: var(--gold);
}

.dot.green {
  background: var(--green);
}

.dot.blue {
  background: var(--blue);
}

.receipts-section {
  padding-top: 34px;
}

.receipt-card,
.ai-control-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(229, 244, 241, 0.86), rgba(255, 255, 255, 0.92));
}

.ai-control-section {
  padding-top: 34px;
}

.ai-control-card {
  padding: 28px;
  border: 1px solid rgba(219, 228, 232, 0.9);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(229, 244, 241, 0.7));
  box-shadow: var(--shadow);
}

.provider-stack {
  display: grid;
  gap: 12px;
}

.provider-stack article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.provider-stack span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
}

.provider-stack strong {
  display: block;
  margin-bottom: 5px;
}

.provider-stack p {
  margin: 0;
  color: var(--muted);
}

.receipt-card ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.receipt-card li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.receipt-card li span {
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
}

.receipt-card li em {
  color: var(--muted);
  font-style: normal;
  font-weight: 850;
}

.comparison-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.comparison-grid .is-highlighted {
  color: white;
  background: #162129;
}

.comparison-grid .is-highlighted p {
  color: #c4d0d6;
}

.final-cta {
  display: grid;
  justify-items: center;
  text-align: center;
  padding-bottom: 96px;
}

.final-cta h2 {
  max-width: 760px;
}

.waitlist-section {
  padding-top: 34px;
}

.waitlist-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: center;
  padding: 30px;
  border: 1px solid rgba(219, 228, 232, 0.9);
  border-radius: 8px;
  color: white;
  background:
    linear-gradient(135deg, rgba(8, 118, 110, 0.42), rgba(200, 85, 61, 0.16)),
    #142028;
  box-shadow: var(--shadow);
}

.waitlist-card .eyebrow {
  color: #9ee3da;
}

.waitlist-card p {
  color: #c7d4d9;
  line-height: 1.5;
}

.waitlist-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.waitlist-form label {
  display: grid;
  gap: 7px;
  color: #dbe7e9;
  font-size: 0.82rem;
  font-weight: 900;
}

.waitlist-form input,
.waitlist-form select {
  min-height: 44px;
  width: 100%;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: var(--ink);
  background: white;
  font: inherit;
}

.form-button {
  border: 0;
  width: 100%;
}

.form-note {
  margin: 0;
  color: #bfd0d5;
  font-size: 0.88rem;
}

.waitlist-form.is-submitted {
  border-color: rgba(158, 227, 218, 0.45);
  background: rgba(8, 118, 110, 0.18);
}

@media (max-width: 920px) {
  .site-nav nav {
    display: none;
  }

  .hero,
  .two-column,
  .receipt-card,
  .ai-control-card,
  .waitlist-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    order: 2;
    min-height: 420px;
  }

  .proof-strip,
  .signal-grid,
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-nav {
    padding: 14px 18px;
  }

  .nav-cta {
    display: none;
  }

  .hero,
  .proof-strip,
  .section,
  .final-cta {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: clamp(2.9rem, 17vw, 4.5rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .receipt-card li {
    grid-template-columns: 1fr;
  }
}
