/* MosQuit – shared styles */

:root {
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5a5a5a;
  --color-accent: #2d6a4f;
  --color-accent-light: #e8f5ee;
  --color-border: #dde8e3;
  --font-base: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --max-width: 680px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  padding: var(--space-sm);
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  opacity: 0.75;
}

/* ── Layout ── */

.site-header {
  max-width: var(--max-width);
  margin: var(--space-lg) auto var(--space-md);
}

.site-header .app-name {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.site-header .tagline {
  font-size: 1.15rem;
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

section {
  margin-bottom: var(--space-md);
}

.site-footer {
  max-width: var(--max-width);
  margin: var(--space-lg) auto var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: space-between;
  align-items: center;
}

/* ── Typography ── */

h1, h2, h3 {
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}

h2 {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
  color: var(--color-accent);
}

h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: 1.4rem;
  margin-bottom: var(--space-sm);
}

li {
  margin-bottom: 0.3rem;
}

/* ── Components ── */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.highlight-box {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 8px 8px 0;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
}

.highlight-box p {
  color: #1a3d2e;
  margin-bottom: 0;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.faq-item {
  margin-bottom: var(--space-sm);
}

.faq-item dt {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}

.faq-item dd {
  margin-left: 0;
  color: var(--color-muted);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
  margin-top: var(--space-xs);
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-accent);
}

.nav-links a:hover {
  text-decoration: underline;
  opacity: 1;
}

/* ── Responsive ── */

@media (max-width: 480px) {
  .site-header .app-name {
    font-size: 1.6rem;
  }

  h1 {
    font-size: 1.35rem;
  }

  .card {
    padding: var(--space-sm);
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Screenshot gallery ── */

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.screenshot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: var(--space-sm);
}

.screenshot-card h3 {
  margin-bottom: var(--space-xs);
}

.screenshot-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.screenshot-image {
  width: 100%;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #f0f0f0;
  margin-bottom: var(--space-sm);
}

.screenshot-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.caption-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  margin-bottom: var(--space-xs);
}

@media (max-width: 640px) {
  .screenshot-grid,
  .screenshot-pair {
    grid-template-columns: 1fr;
  }
}