:root {
  --brand: #011936;
  --accent: #2f6690;
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --text: #1a1a1a;
  --text-muted: #55606b;
  --border: #e1e5e9;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--accent);
}

header.site-header {
  background: var(--brand);
  color: #fff;
}

header.site-header .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

header.site-header .brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

header.site-header nav a {
  color: #cfe0f0;
  text-decoration: none;
  margin-left: 20px;
  font-size: 15px;
}

header.site-header nav a:hover {
  color: #fff;
  text-decoration: underline;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.app-hero {
  padding: 56px 24px 40px;
}

.app-hero__wrap {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
}

.app-hero__icon img {
  width: 180px;
  height: 180px;
  border-radius: 22%;
  display: block;
  box-shadow: 0 4px 18px rgba(1, 25, 54, 0.18);
}

.app-hero__text h1 {
  font-size: 32px;
  margin: 0 0 14px;
}

.app-hero__text p {
  color: var(--text-muted);
  font-size: 16px;
  margin: 0 0 14px;
}

@media (max-width: 640px) {
  .app-hero__wrap {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
}

section.screenshots {
  background: var(--bg-alt);
  padding: 40px 0;
}

.screenshots__scroll {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 0 24px 8px;
}

.screenshots__scroll img {
  height: 400px;
  width: auto;
  border-radius: 14px;
  flex: 0 0 auto;
  box-shadow: 0 4px 18px rgba(1, 25, 54, 0.15);
}

section.download {
  background: var(--brand);
  padding: 40px 24px;
}

.download__wrap {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.download__wrap .badge {
  height: 54px;
  width: auto;
}

h1, h2 {
  color: var(--brand);
}

h2 {
  font-size: 22px;
  margin-top: 40px;
}

.updated {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.contact-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin: 24px 0;
}

.contact-box a {
  font-weight: 600;
}

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 12px;
}

details summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--brand);
}

details[open] summary {
  margin-bottom: 8px;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

footer.site-footer a {
  color: var(--text-muted);
}