:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --text: #1f2937;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --border: #e2e8f0;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, #eef4ff 100%);
  color: var(--text);
  line-height: 1.6;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.hero {
  margin-bottom: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 2.2rem, 2.6rem);
  line-height: 1.2;
}

.lead {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
  max-width: 700px;
}

.apps,
.notes {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.apps {
  margin-bottom: 24px;
}

.apps h2,
.notes h2 {
  margin: 0 0 16px;
  font-size: 1.15rem;
}

.app-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.app-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.app-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.tag {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.app-card__description {
  margin: 0 0 16px;
  color: var(--text);
}

.app-card__meta {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.app-card__meta li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.meta-label {
  color: var(--muted);
}

.button {
  display: inline-block;
  width: fit-content;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  transition: background 0.2s ease, transform 0.2s ease;
}

.button:hover,
.button:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.notes ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

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

@media (max-width: 640px) {
  .page {
    padding: 28px 14px 48px;
  }

  .apps,
  .notes {
    padding: 18px;
  }

  .app-card {
    padding: 16px;
  }

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

  .button {
    width: 100%;
    text-align: center;
  }
}