:root {
  color-scheme: light;
  --primary: #63d1c6;
  --secondary: #1e2f4a;
  --secondary-light: #2a4362;
  --background: #f4fbfa;
  --surface: #ffffff;
  --surface-soft: #f7fbfb;
  --surface-tint: #f1f7f7;
  --surface-border: #e7eff1;
  --field-stroke: #d6e5e8;
  --text: #14243b;
  --muted: #617288;
  --success: #149a7d;
  --gold: #f2c66d;
  --shadow: 0 10px 18px rgba(30, 47, 74, 0.08);
  --font-sans: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--background);
}

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

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.hero-card {
  width: min(100%, 420px);
  padding: 14px 14px 18px;
  text-align: center;
  border: 1px solid var(--surface-border);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.logo-panel {
  margin-bottom: 18px;
  padding: 18px 16px;
  border-radius: 26px;
  background: var(--surface-soft);
  border: 1px solid var(--surface-border);
}

.logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  margin: 0 auto;
  padding: 10px;
  border-radius: 30px;
  background: #ffffff;
  border: 1px solid #e4ebef;
  box-shadow: 0 10px 18px rgba(30, 47, 74, 0.06);
}

.app-logo {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 8vw, 2.6rem);
  line-height: 1.04;
  color: var(--secondary);
}

.tagline {
  margin: 12px auto 22px;
  max-width: 20ch;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0 0 18px;
}

.badge {
  padding: 8px 12px;
  border: 1px solid var(--field-stroke);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--secondary);
  font-size: 0.82rem;
  font-weight: 700;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 58px;
  padding: 16px 20px;
  border-radius: 18px;
  background: var(--primary);
  color: var(--secondary);
  font-size: 1.04rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.01em;
  box-shadow: none;
  transition:
    transform 160ms ease,
    background-color 160ms ease;
}

.download-button:hover,
.download-button:focus-visible {
  transform: translateY(-1px);
  background: #59c6bb;
}

.download-button:focus-visible {
  outline: 3px solid rgba(99, 209, 198, 0.35);
  outline-offset: 3px;
}

.cta-caption {
  margin: 12px 0 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--muted);
}

.device-note {
  margin: 12px 0 18px;
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--muted);
}

.trust-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--field-stroke);
  color: var(--secondary);
  font-size: 0.9rem;
  font-weight: 700;
}

.trust-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(242, 198, 109, 0.18);
}

@media (min-width: 640px) {
  .page-shell {
    padding: 32px 20px;
  }

  .hero-card {
    padding: 16px 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .download-button {
    transition: none;
  }
}