/* dlhvnonline.com — shared styles. Dark, mint-on-near-black, matching the
   EyeRest app's design tokens (Theme/Tokens.swift). */

:root {
  --bg: #060809;
  --surface: #15181D;
  --stroke: #262B33;
  --text: #F2F4F7;
  --text-secondary: #9AA3AE;
  --text-tertiary: #5C6570;
  --accent: #34D9A6;
  --accent-end: #1FB6C4;
  --radius: 16px;
  --maxw: 720px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 96px;
}

/* Header */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-end));
  flex: none;
}

header.page {
  border-bottom: 1px solid var(--stroke);
  padding-bottom: 28px;
  margin-bottom: 40px;
}

h1 {
  font-size: clamp(28px, 6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 28px 0 8px;
}

h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
  color: var(--text);
}

h3 {
  font-size: 16px;
  margin: 24px 0 8px;
  color: var(--text);
}

p, li { color: var(--text-secondary); }

p { margin: 0 0 16px; }

ul { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 8px; }

strong { color: var(--text); font-weight: 600; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.updated {
  color: var(--text-tertiary);
  font-size: 14px;
  margin: 0;
}

/* Callout card */

.card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
}

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

.lede {
  font-size: 19px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Contact */

.email {
  display: inline-block;
  font-size: clamp(20px, 4.5vw, 26px);
  font-weight: 600;
  color: var(--accent);
  word-break: break-word;
  margin: 4px 0 8px;
}

/* Footer */

footer {
  border-top: 1px solid var(--stroke);
  margin-top: 64px;
  padding-top: 24px;
  font-size: 14px;
  color: var(--text-tertiary);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}

footer a { color: var(--text-secondary); }

footer .spacer { margin-left: auto; }

@media (max-width: 520px) {
  .wrap { padding: 40px 20px 72px; }
  body { font-size: 16px; }
}