:root {
  color-scheme: light;
  --ink: #172026;
  --muted: #52606b;
  --paper: #fbfcfd;
  --band: #ffffff;
  --soft: #eef6f3;
  --line: #d7e1e5;
  --brand: #126c65;
  --accent: #b45f2a;
  --accent-soft: #fff0e5;
  --shadow: 0 18px 45px rgba(23, 32, 38, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 252, 253, 0.94);
  position: sticky;
  top: 0;
  z-index: 2;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: #ffffff;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.header-note,
.eyebrow,
.trust-note,
figcaption {
  color: var(--muted);
}

.header-note {
  margin: 0;
  font-size: 0.95rem;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 7vw, 88px) clamp(20px, 4vw, 56px);
}

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

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3rem, 4.8rem, 5.6rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 3rem, 3.6rem);
  letter-spacing: 0;
}

h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
}

.lede {
  margin: 22px 0 0;
  color: #28343b;
  font-size: 1.25rem;
  max-width: 58ch;
}

.trust-note {
  margin: 22px 0 0;
  max-width: 56ch;
}

.routing-figure {
  margin: 0;
}

.routing-figure img {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.routing-figure figcaption {
  margin-top: 12px;
  font-size: 0.92rem;
}

.content-band {
  padding: clamp(48px, 7vw, 80px) clamp(20px, 4vw, 56px);
  background: var(--band);
  border-top: 1px solid var(--line);
}

.muted-band {
  background: var(--soft);
}

.final-band {
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.step-grid,
.trust-grid,
.split-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
}

.split-content {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.step-grid li,
.trust-grid article,
.split-content div {
  min-width: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 22px;
}

.step-number {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.step-grid p,
.trust-grid p,
.split-content p,
.final-band p {
  margin: 12px 0 0;
  color: var(--muted);
}

.final-band p {
  max-width: 76ch;
  font-size: 1.08rem;
}

.callback-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--soft);
}

.callback-shell {
  width: min(100%, 680px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: clamp(28px, 6vw, 48px);
  box-shadow: var(--shadow);
}

.callback-shell h1 {
  font-size: clamp(2.4rem, 4rem, 4.8rem);
}

.callback-status {
  margin: 20px 0 0;
  color: var(--brand);
  font-size: 1.08rem;
  font-weight: 700;
}

.callback-status[data-state="needs-retry"] {
  color: var(--accent);
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    font-size: 3.2rem;
  }

  .step-grid,
  .trust-grid,
  .split-content {
    grid-template-columns: 1fr;
  }
}