:root {
  color-scheme: light;
  --text: #192124;
  --muted: #62706e;
  --line: #dbe4df;
  --surface: #ffffff;
  --soft: #eef5f0;
  --mint: #1f8f71;
  --mint-dark: #10644e;
  --coral: #e0644f;
  --gold: #f2b84b;
  --ink: #10201d;
  --shadow: 0 20px 50px rgba(20, 50, 43, 0.14);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fbfcfa;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(251, 252, 250, 0.92);
  border-bottom: 1px solid rgba(219, 228, 223, 0.8);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #ffffff;
  background: var(--mint-dark);
  border-radius: 8px;
  font-size: 15px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 2.4vw, 30px);
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--mint-dark);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
  gap: clamp(34px, 7vw, 90px);
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px) clamp(38px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(31, 143, 113, 0.12), transparent 42%),
    linear-gradient(315deg, rgba(242, 184, 75, 0.16), transparent 46%),
    #fbfcfa;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(52px, 9vw, 108px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-text {
  max-width: 660px;
  margin-bottom: 28px;
  color: #32413d;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.button.primary {
  color: #ffffff;
  border-color: var(--mint-dark);
  background: var(--mint-dark);
}

.button.secondary {
  color: var(--mint-dark);
  background: #ffffff;
}

.button.large {
  min-height: 56px;
  padding: 0 30px;
  font-size: 17px;
}

.release-note {
  color: var(--muted);
  font-size: 14px;
}

.phone-stage {
  position: relative;
  justify-self: center;
  width: min(100%, 380px);
  padding: 14px;
  background: #111c19;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.phone-stage::before {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 84px;
  height: 7px;
  content: "";
  background: #263a35;
  border-radius: 99px;
  transform: translateX(-50%);
}

.phone-stage img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top;
  border: 1px solid #293b36;
  border-radius: 24px;
}

.section-band,
.features,
.screenshots,
.download {
  padding: clamp(54px, 7vw, 92px) clamp(20px, 5vw, 72px);
}

.section-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1.1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
  background: var(--soft);
}

.section-band p:last-child,
.download p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 236px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(25, 33, 36, 0.05);
}

.icon {
  display: inline-grid;
  width: 46px;
  height: 34px;
  place-items: center;
  margin-bottom: 24px;
  color: var(--mint-dark);
  background: #e2f2ec;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
}

.feature-card h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 21px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.scenario-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.scenario-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  color: #18322d;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
}

.screenshot-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

figure {
  margin: 0;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(25, 33, 36, 0.06);
}

figure img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #eef4f1;
}

figcaption {
  padding: 14px 16px 16px;
  color: var(--ink);
  font-weight: 800;
}

.download {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  align-items: center;
  gap: 30px;
  color: #ffffff;
  background:
    linear-gradient(110deg, rgba(224, 100, 79, 0.18), transparent 48%),
    var(--mint-dark);
}

.download h2,
.download .section-kicker,
.download p {
  color: #ffffff;
}

.download-copy {
  max-width: 740px;
}

.support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.support-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  color: var(--mint-dark);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #ffffff;
}

@media (max-width: 980px) {
  .hero,
  .section-band,
  .download {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .phone-stage {
    width: min(82vw, 360px);
  }

  .feature-grid,
  .screenshot-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
  }

  .hero,
  .section-band,
  .features,
  .screenshots,
  .download {
    padding-right: 18px;
    padding-left: 18px;
  }

  h1 {
    font-size: 54px;
  }

  .hero-text {
    font-size: 18px;
  }

  .actions,
  .button,
  .button.large {
    width: 100%;
  }

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

  .feature-card {
    min-height: 0;
  }

  .download {
    text-align: left;
  }
}