:root {
  --primary: #0061A4;
  --on-primary: #FFFFFF;
  --primary-container: #D0E4FF;
  --on-primary-container: #001D36;

  --background: #FDFCFF;
  --on-background: #1A1C1E;
  --surface: #FFFFFF;

  --muted: #6e6e73;
  --radius: 16px;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--background);
  color: var(--on-background);
  line-height: 1.7;
  font-size: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 768px;
  margin: auto;
  padding: 24px;
}

header {
  background-color: var(--primary);
  color: var(--on-primary);
  padding: 56px 24px 40px;
  text-align: center;
}

header h1 {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  margin-bottom: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.header-icon {
  width: 56px;
  height: auto;
  border-radius: 12px;
}

header p {
  font-size: 1.1rem;
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 28px;
  background-color: var(--on-primary);
  color: var(--primary);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.cta-button:hover {
  background-color: var(--primary-container);
  transform: translateY(-1px);
}

.cta-button:focus {
  outline: 2px solid var(--on-primary);
  outline-offset: 4px;
}

main {
  background-color: var(--surface);
  margin-top: -20px;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  padding: 40px 24px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

ul,
ol {
  padding-left: 20px;
  margin-bottom: 24px;
}

.note {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 4px 0 12px;
}

.screenshots {
  display: flex;
  overflow-x: auto;
  gap: 1rem;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
}

.screenshots img {
  width: 250px;
  flex-shrink: 0;
  border-radius: 12px;
  scroll-snap-align: start;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
}

.screenshots img:hover {
  transform: scale(1.03);
}

.screenshots::-webkit-scrollbar {
  display: none;
}
.screenshots {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

footer {
  background-color: #f0f1f4;
  text-align: center;
  padding: 20px 24px;
  font-size: 0.9rem;
  color: var(--muted);
}

footer a {
  color: var(--primary);
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}