:root {
  --ink: #1d2630;
  --muted: #516274;
  --paper: #fff9f2;
  --cream: #fffdf8;
  --coral: #e95f4f;
  --coral-dark: #c9493b;
  --sea: #167c91;
  --sky: #c8e8f4;
  --mint: #d5eee4;
  --line: rgba(29, 38, 48, 0.14);
  --shadow: 0 18px 60px rgba(29, 38, 48, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family:
    ui-rounded,
    "Avenir Next",
    "Nunito Sans",
    system-ui,
    sans-serif;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 20px 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand,
.site-header nav,
.site-footer nav,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.site-header nav a,
.site-footer nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 52px;
  align-items: center;
  max-width: 1180px;
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 56px 24px 72px;
}

.hero-copy {
  max-width: 560px;
}

.app-icon {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 28px 0 12px;
  color: var(--sea);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.5rem, 10vw, 7.8rem);
  line-height: 0.92;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

p,
li {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.lede {
  max-width: 520px;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.5;
}

.hero-note {
  margin-top: 12px;
  font-size: 0.94rem;
}

.button {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 18px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  background: var(--coral);
  border-color: var(--coral-dark);
  color: white;
}

.button.secondary {
  background: white;
  color: var(--ink);
}

.phone-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
}

.phone-row img,
.wide-image {
  width: 100%;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.phone-row img:nth-child(2) {
  transform: translateY(34px);
}

.band {
  background: linear-gradient(180deg, var(--sky), var(--mint));
  padding: 86px 24px;
}

.section-heading,
.feature-grid,
.split {
  max-width: 1180px;
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  min-height: 220px;
  border: 1px solid rgba(29, 38, 48, 0.12);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.78);
  padding: 24px;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 90px 24px;
}

.wide-image {
  max-width: 360px;
  justify-self: center;
}

.document-page {
  background:
    radial-gradient(circle at top left, rgba(200, 232, 244, 0.84), transparent 38%),
    var(--paper);
  padding: 56px 24px 90px;
}

.document {
  max-width: 820px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.92);
  padding: clamp(28px, 6vw, 64px);
  box-shadow: var(--shadow);
}

.document h1 {
  font-size: clamp(2.8rem, 8vw, 5.8rem);
}

.document h2 {
  margin-top: 32px;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.document a {
  color: var(--sea);
  font-weight: 800;
}

.document ul {
  padding-left: 24px;
}

.document-back {
  margin-top: 34px;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 38px;
  }

  .phone-row {
    max-width: 640px;
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav,
  .site-footer nav,
  .hero-actions {
    flex-wrap: wrap;
  }

  .phone-row {
    grid-template-columns: repeat(3, minmax(92px, 1fr));
    gap: 8px;
  }

  .phone-row img {
    border-radius: 16px;
  }

  .phone-row img:nth-child(2) {
    transform: translateY(16px);
  }

  .band,
  .split,
  .document-page {
    padding-top: 54px;
    padding-bottom: 58px;
  }
}