:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-muted: #5a6478;
  --color-accent: #1a2332;
  --color-border: #e3e6ec;
  --color-link-hover: #3a4a66;
  --max-width: 640px;
  --radius: 6px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-header,
.site-main,
.site-footer {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.site-header {
  padding-top: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.site-title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.site-tagline {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.site-main {
  flex: 1;
  padding-top: var(--space-4);
  padding-bottom: var(--space-5);
}

.contact h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.contact-list {
  margin: 0;
  padding: 0;
  font-style: normal;
  display: grid;
  gap: var(--space-2);
}

.contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  font-weight: 500;
}

.contact-value {
  font-size: 1.05rem;
  color: var(--color-text);
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-link-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.site-footer {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.875rem;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  align-items: center;
}

.site-footer a {
  color: var(--color-muted);
}

.legal h2 {
  font-size: 1.05rem;
  margin-top: var(--space-3);
  color: var(--color-accent);
}

.legal h1 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-2);
  color: var(--color-accent);
}

.legal p {
  margin: 0 0 var(--space-2);
}

.legal .todo {
  color: #b45309;
  font-style: italic;
}

.back-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }

  .site-header {
    padding-top: var(--space-5);
  }

  .site-title {
    font-size: 2.25rem;
  }

  .contact-item {
    grid-template-columns: 9rem 1fr;
    gap: var(--space-2);
    align-items: baseline;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  .site-header,
  .site-main,
  .site-footer {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  .site-footer {
    border-top: 1px solid #999;
    margin-top: 2rem;
  }
}