:root {
  --background: #24402c;
  --text: #f4f1e6;
  --card: #f4f1e6;
  --card-text: #1f3324;
}

* {
  box-sizing: border-box;
}

/* Contour lines of Mt Tamalpais. They live on the root background, not a
   fixed layer, because that's the only thing Safari on iOS paints behind its
   floating address bar. The map fades out at its own edges (see the SVG). */
html {
  min-height: 100%;
  background: var(--background) url(../images/topo.svg) center / cover no-repeat;
}

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* The page runs edge to edge (viewport-fit=cover) so the map can sit behind
   the browser's controls; keep the content itself out of the safe areas. */
main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(64px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(64px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

header {
  text-align: center;
  margin-bottom: 32px;
}

.avatar {
  display: block;
  width: 112px;
  height: 112px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  object-fit: cover;
}

h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

header p {
  margin: 4px 0 0;
  opacity: 0.85;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.socials a {
  display: block;
  padding: 8px;
  color: inherit;
  border-radius: 50%;
  transition: transform 0.15s ease;
}

.socials svg {
  display: block;
}

.links li + li {
  margin-top: 14px;
}

.links a {
  position: relative;
  display: block;
  padding: 20px 64px;
  background: var(--card);
  color: var(--card-text);
  border-radius: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.15s ease;
}

.links svg {
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
}

footer {
  margin-top: 48px;
  font-size: 14px;
  text-align: center;
  opacity: 0.7;
}

footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

a:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 3px;
}

@media (hover: hover) {
  .socials a:hover {
    transform: scale(1.1);
  }

  .links a:hover {
    transform: scale(1.02);
  }

  footer a:hover {
    border-bottom-color: currentColor;
  }
}