:root {
  --bg: #0b1220;
  --card: #151f33;
  --accent: #4dd0e1;
  --accent-2: #f6ae2d;
  --text-primary: #f2f7ff;
  --text-muted: #a7b3cc;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Space Grotesk", "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1a2742 0%, #0b1220 55%);
  color: var(--text-primary);
  font-family: var(--sans);
  line-height: 1.7;
  padding: 3rem 1.5rem 5rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
}

header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: rgba(21, 31, 51, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(2, 6, 23, 0.65);
}

@media (min-width: 720px) {
  header {
    flex-direction: row;
    align-items: center;
  }
}

.profile-art {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(77, 208, 225, 0.25), rgba(246, 174, 45, 0.25));
  padding: 0.5rem;
  flex-shrink: 0;
}

.profile-art img {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin: 0 0 0.5rem;
}

.hero-text p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.1rem;
}

section {
  margin-top: 2.5rem;
  background: rgba(11, 18, 32, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.55);
}

section h2 {
  font-size: 1.6rem;
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  background: rgba(21, 31, 51, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  padding: 1.5rem;
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(77, 208, 225, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  font-family: var(--mono);
}

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

ul.checklist li {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  color: var(--text-muted);
}

ul.checklist li::before {
  content: "▹";
  color: var(--accent-2);
  font-weight: bold;
  transform: translateY(-1px);
}

footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}