* {
  box-sizing: border-box;
}

:root {
  --bg: #f7f5f1;
  --card: rgba(255, 255, 255, 0.78);
  --text: #171717;
  --muted: #77736d;
  --line: rgba(23, 23, 23, 0.11);
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.06);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(255,255,255,.9), transparent 34%),
    var(--bg);
  color: var(--text);
}

.page-shell {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 38px 18px 28px;
}

.bio-card {
  width: 100%;
  max-width: 460px;
  text-align: center;
  padding: 18px 8px 8px;
}

.avatar-wrap {
  width: 116px;
  height: 116px;
  margin: 0 auto 18px;
  padding: 4px;
  border-radius: 50%;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

h1 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.handle {
  margin: 5px 0 18px;
  color: var(--muted);
  font-size: .96rem;
}

.bio {
  margin: 0 auto 28px;
  max-width: 320px;
  line-height: 1.5;
  font-size: 1rem;
}

.links {
  display: grid;
  gap: 12px;
}

.link-btn {
  min-height: 58px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-decoration: none;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  font-weight: 600;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 22px rgba(0,0,0,.035);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.link-btn:hover {
  transform: translateY(-2px);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0,0,0,.07);
}

.link-btn:active {
  transform: scale(.985);
}

.arrow {
  font-size: 1.1rem;
  font-weight: 500;
  opacity: .55;
}

.note {
  margin: 22px 0 24px;
  font-size: .82rem;
  color: var(--muted);
}

footer {
  padding: 8px 0 4px;
  font-size: .76rem;
  color: #9b968e;
}

@media (max-width: 420px) {
  .page-shell {
    padding-top: 26px;
  }

  .bio-card {
    max-width: 100%;
  }

  h1 {
    font-size: 1.8rem;
  }

  .link-btn {
    border-radius: 16px;
  }
}