:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-synthesis: none;
  --canvas: #ffffff;
  --surface: #ffffff;
  --text: #1a1a1a;
  --secondary: #666666;
  --accent: #010101;
  --border: rgba(0, 0, 0, 0.06);
  --body-size: 19px;
  --card-padding: 56px;
  --card-radius: 64px;
  --card-width: 640px;
  --heading-size: 42px;
  --section-gap: 40px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 10%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 32rem),
    var(--canvas);
}

.site-shell {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2rem);
}

.profile-card {
  width: min(100%, var(--card-width));
  padding: var(--card-padding);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 18px 50px rgba(0, 0, 0, 0.08);
}

h1 {
  margin: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: var(--heading-size);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.introduction {
  max-width: 35rem;
  margin-top: var(--section-gap);
  font-size: var(--body-size);
  line-height: 1.6;
}

.introduction p {
  margin: 0;
}

.availability {
  margin-top: 1.25rem !important;
  color: var(--secondary);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--section-gap);
}

.contact-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: transform 140ms ease, background-color 140ms ease;
}

.contact-primary {
  color: #ffffff;
  background: linear-gradient(#2a2a2a, #0a0a0a);
}

.contact-secondary {
  color: var(--text);
  background: #eeeeee;
}

.contact-links a:hover {
  transform: translateY(-1px);
}

.contact-links a:active {
  transform: translateY(0);
}

.contact-links a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

footer {
  margin-top: clamp(2.5rem, 8vw, 4.5rem);
  color: #8a8a8a;
  font-size: 0.75rem;
}

@media (max-width: 31rem) {
  .site-shell {
    place-items: stretch;
    padding: 0.75rem;
  }

  .profile-card {
    min-height: calc(100svh - 1.5rem);
    display: flex;
    flex-direction: column;
  }

  .contact-links {
    align-items: stretch;
    flex-direction: column;
  }

  footer {
    margin-top: auto;
    padding-top: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-links a {
    transition: none;
  }
}