:root {
  --bg-start: #14121f;
  --bg-end: #28203f;
  --card-bg: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.16);
  --text: #f5f2ff;
  --muted: #c7bddf;
  --button-bg: rgba(255, 255, 255, 0.12);
  --button-hover: rgba(255, 255, 255, 0.22);
  --button-border: rgba(255, 255, 255, 0.2);
  --accent: #bba7ff;
  --shadow: rgba(0, 0, 0, 0.35);
}

body.light {
  --bg-start: #f7f3ff;
  --bg-end: #e9ddff;
  --card-bg: rgba(255, 255, 255, 0.72);
  --card-border: rgba(40, 32, 63, 0.12);
  --text: #1f1833;
  --muted: #5f5577;
  --button-bg: rgba(255, 255, 255, 0.88);
  --button-hover: rgba(255, 255, 255, 1);
  --button-border: rgba(31, 24, 51, 0.14);
  --accent: #6842d9;
  --shadow: rgba(88, 66, 140, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(187, 167, 255, 0.35), transparent 32rem),
    linear-gradient(145deg, var(--bg-start), var(--bg-end));
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.profile-card {
  width: min(100%, 28rem);
  padding: 2rem;
  border: 1px solid var(--card-border);
  border-radius: 2rem;
  background: var(--card-bg);
  box-shadow: 0 1.5rem 4rem var(--shadow);
  backdrop-filter: blur(18px);
  text-align: center;
}

.avatar {
  width: 7rem;
  height: 7rem;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--accent);
  box-shadow: 0 0 2rem rgba(187, 167, 255, 0.35);
}

h1 {
  margin: 1rem 0 0.35rem;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.tagline {
  margin: 0 auto 1.5rem;
  max-width: 22rem;
  color: var(--muted);
  line-height: 1.5;
}

.links {
  display: grid;
  gap: 0.85rem;
}

.link-button {
  display: block;
  width: 100%;
  padding: 1rem 1.15rem;
  border: 1px solid var(--button-border);
  border-radius: 1rem;
  background: var(--button-bg);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.link-button:hover,
.link-button:focus-visible {
  transform: translateY(-2px);
  background: var(--button-hover);
  border-color: var(--accent);
  outline: none;
}

footer {
  margin-top: 1.5rem;
}

#theme-toggle {
  cursor: pointer;
  border: 1px solid var(--button-border);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  color: var(--text);
  background: transparent;
  font: inherit;
}

#theme-toggle:hover {
  border-color: var(--accent);
}

.fine-print {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 420px) {
  .profile-card {
    padding: 1.5rem;
    border-radius: 1.5rem;
  }

  .avatar {
    width: 6rem;
    height: 6rem;
  }
}