:root {
  --color-bg: #fff;
  --color-text: #1c1917;
  --color-text-secondary: #78716c;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-border: #d6d3d1;
  --color-surface: #f5f5f4;
  --color-hero-bg: linear-gradient(135deg, #1e3a5f 0%, #2f4858 50%, #3b5a6e 100%);
  --color-hero-text: #fff;
  --color-hero-sub: rgba(255, 255, 255, 0.8);
  --color-feature-icon: #2563eb;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0c0a09;
    --color-text: #e7e5e4;
    --color-text-secondary: #a8a29e;
    --color-accent: #60a5fa;
    --color-accent-hover: #93c5fd;
    --color-border: #292524;
    --color-surface: #1c1917;
    --color-hero-bg: linear-gradient(135deg, #0f1d2e 0%, #1a2e3d 50%, #1e3548 100%);
    --color-hero-text: #f5f5f4;
    --color-hero-sub: rgba(245, 245, 244, 0.7);
    --color-feature-icon: #60a5fa;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 48px;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--color-accent-hover); }

h1 { font-size: 1.75rem; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}

p { margin: 0.75rem 0; }

.hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  margin: 0 -20px;
  padding: 48px 32px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero img {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}
.hero h1 { color: var(--color-hero-text); }
.hero .subtitle {
  color: var(--color-hero-sub);
  margin: 4px 0 0;
  font-size: 1.05rem;
  font-weight: 400;
}

.pitch {
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 2rem 0;
  color: var(--color-text);
}

.features {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
  display: grid;
  gap: 12px;
}
.features li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s;
}
.features li:hover { box-shadow: var(--shadow-md); }
.features li strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.95rem;
}
.features li span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.badge-link { display: inline-block; }
.badge-link img {
  height: 44px;
  transition: opacity 0.15s;
}
.badge-link:hover img { opacity: 0.85; }

.note {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 2rem 0;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}
.note strong { display: block; margin-bottom: 4px; }

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
footer a { color: var(--color-text-secondary); }
footer a:hover { color: var(--color-accent); }
footer nav { margin-bottom: 0.5rem; }
footer nav a + a::before {
  content: "\00b7";
  margin: 0 8px;
  color: var(--color-border);
}

/* --- Support & Privacy pages --- */

.page-header {
  margin: 48px 0 8px;
}
.page-header h1 {
  font-size: 1.5rem;
}
.page-header .back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.page-header .back-link:hover { color: var(--color-accent); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}
ol li {
  margin: 0.5rem 0;
  padding-left: 4px;
}
ol li::marker { color: var(--color-accent); font-weight: 600; }

dl { margin: 0; }
dt {
  font-weight: 600;
  margin-top: 1.25rem;
  font-size: 0.95rem;
}
dt:first-child { margin-top: 0; }
dd {
  margin: 0.3rem 0 0 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-block {
  text-align: center;
  margin: 2rem 0;
}
.contact-block a {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s;
}
.contact-block a:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.last-updated {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-top: 2rem;
}