:root {
  --ink: #061225;
  --muted: #66748a;
  --line: #e5eaf1;
  --surface: #f5f7fb;
  --white: #ffffff;
  --green: #63db43;
  --blue: #2457a6;
  --coral: #d94841;
  --shadow: 0 18px 55px rgba(6, 18, 37, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(99, 219, 67, 0.12), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 55%, #eef3f8 100%);
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-header {
  padding: 24px 0 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(6, 18, 37, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-weight: 750;
}

.nav-links a,
.site-footer a {
  text-decoration: none;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--ink);
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 90px);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(300px, 0.7fr);
  gap: 48px;
  align-items: center;
  padding: 36px 0 70px;
}

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

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.7rem);
  line-height: 0.95;
  font-weight: 950;
  max-width: 820px;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  line-height: 1;
  font-weight: 950;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  line-height: 1.15;
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  line-height: 1.45;
  font-weight: 650;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 900;
}

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

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.phone-card {
  width: min(360px, 100%);
  justify-self: center;
  padding: 18px;
  border-radius: 36px;
  background: var(--ink);
  box-shadow: var(--shadow);
}

.phone-top {
  width: 92px;
  height: 20px;
  border-radius: 999px;
  background: #000916;
  margin: 0 auto 20px;
}

.app-preview {
  min-height: 510px;
  padding: 28px;
  border-radius: 24px;
  background: var(--white);
}

.preview-icon {
  width: 84px;
  height: 84px;
  border-radius: 18px;
  margin-bottom: 28px;
}

.preview-label {
  margin: 0 0 4px;
  color: var(--muted);
  font-weight: 850;
}

.preview-number {
  margin: 0;
  font-size: 4rem;
  line-height: 0.95;
  font-weight: 950;
}

.preview-caption {
  margin: 10px 0 28px;
  color: var(--muted);
  font-weight: 850;
}

.macro-grid {
  display: grid;
  gap: 10px;
}

.macro-grid span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 800;
}

.macro-grid strong {
  color: var(--ink);
}

.section {
  padding: 84px 0;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature,
.notice {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 28px rgba(6, 18, 37, 0.05);
}

.feature-icon {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
  font-weight: 950;
}

.feature p,
.notice p,
.legal p,
.legal li {
  color: var(--muted);
  line-height: 1.65;
  font-weight: 600;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.75fr);
  gap: 36px;
  align-items: start;
}

.check-list {
  display: grid;
  gap: 10px;
}

.check-list p {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  font-weight: 900;
}

.notice {
  margin-bottom: 90px;
  background: #fff7f6;
  border-color: rgba(217, 72, 65, 0.22);
}

.notice h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.support {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 0 90px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(6, 18, 37, 0.05);
}

.support h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.site-footer {
  padding: 26px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 780;
}

.site-footer p {
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 16px;
}

.legal {
  max-width: 840px;
  padding: 58px 0 90px;
}

.legal h1 {
  font-size: clamp(2.9rem, 7vw, 5rem);
  margin-bottom: 24px;
}

.legal h2 {
  margin-top: 38px;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.legal ul {
  padding-left: 22px;
}

.legal li + li {
  margin-top: 8px;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  main {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

  .phone-card {
    justify-self: start;
  }

  .feature-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .support {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    padding: 58px 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .app-preview {
    min-height: 440px;
    padding: 22px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}