:root {
  color-scheme: light;
  --ink: #14213d;
  --muted: #617089;
  --line: #dce6ed;
  --paper: #f5f8fa;
  --surface: #ffffff;
  --green: #0c7c59;
  --green-dark: #075c42;
  --green-soft: #e3f4ed;
  --blue: #2d6cdf;
  --blue-soft: #eaf1ff;
  --sky: #d7eef7;
}

* {
  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;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  font-size: 20px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: var(--surface);
}

nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-weight: 800;
}

nav a {
  text-decoration: none;
}

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  align-items: center;
  gap: clamp(32px, 6vw, 88px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 900;
}

.primary {
  background: var(--green);
  color: var(--surface);
}

.secondary {
  background: var(--blue-soft);
  color: var(--ink);
  border: 1px solid #c9daff;
}

.phone-panel {
  width: min(100%, 390px);
  margin-inline: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 32px 90px rgba(20, 33, 61, 0.18);
}

.phone-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.phone-top span {
  width: 56px;
  height: 8px;
  border-radius: 99px;
  background: var(--line);
}

.app-card {
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.app-card p {
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 800;
}

.app-card strong {
  display: block;
  font-size: 22px;
}

.app-card small {
  color: var(--sky);
  font-weight: 800;
}

.app-card.dark {
  background: var(--ink);
  color: var(--surface);
}

.app-card.dark p {
  color: var(--sky);
}

.app-button {
  display: grid;
  min-height: 52px;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: var(--surface);
  font-weight: 900;
}

.section {
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 16px;
}

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

article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

article p,
.compliance p,
footer p {
  color: var(--muted);
  line-height: 1.55;
}

.step {
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-weight: 900;
}

.band {
  background: var(--surface);
}

.band article {
  background: var(--paper);
}

.compliance {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  background: var(--ink);
  color: var(--surface);
}

.compliance p {
  color: #c8d4e3;
  font-size: 18px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 72px);
  background: var(--surface);
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .three,
  .compliance {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 48px;
  }
}