:root {
  --font: Inter, ui-sans-serif, system-ui, sans-serif;
  --bg: #0b1220;
  --bg-accent: #13253f;
  --surface: rgba(19, 32, 58, 0.95);
  --surface-soft: rgba(255, 255, 255, 0.05);
  --text: #eef2ff;
  --muted: #94a3b8;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.16);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  --button-bg: rgba(255, 255, 255, 0.04);
  --button-hover: rgba(124, 58, 237, 0.14);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at top, #183262 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2.2rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.84);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.hero-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.5fr 1fr;
  align-items: start;
}

.profile-panel {
  display: grid;
  gap: 1.25rem;
}

.panel-card {
  padding: 1.5rem;
  border-radius: 20px;
  background: rgba(7, 15, 29, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.12);
}

.panel-card h2 {
  margin-bottom: 0.9rem;
}

.panel-card p,
.panel-card ul {
  color: var(--muted);
}

.panel-card ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.panel-card ul li {
  margin-bottom: 0.55rem;
}

.panel-link {
  display: inline-block;
  margin-right: 0.7rem;
  margin-top: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.quick-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quick-stats div {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.09);
  text-align: center;
}

.quick-stats strong {
  display: block;
  font-size: 1.5rem;
}

.quick-stats span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.section-block {
  display: grid;
  gap: 1.5rem;
  padding-top: 1.5rem;
}

.section-header {
  display: grid;
  gap: 0.75rem;
}

.section-block.split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-block.split .card {
  min-height: 230px;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 4.2rem);
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 44rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: 1.5rem;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.card h2 {
  margin-bottom: 0.9rem;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  font-size: 0.97rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 0.95rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--button-bg);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.link-button:hover {
  transform: translateY(-2px);
  background: var(--button-hover);
}

.section-title {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

@media (max-width: 940px) {
  .hero-grid,
  .section-block.split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 2rem 1rem 3rem;
  }

  .hero-grid {
    gap: 1.25rem;
  }

  .quick-stats {
    grid-template-columns: 1fr;
  }
}

/* Theme variants - swap body class to try different looks */
body.theme-space {
  --bg: #0b1220;
  --bg-accent: #13253f;
  --surface: rgba(19, 32, 58, 0.95);
  --surface-soft: rgba(255, 255, 255, 0.05);
  --text: #eef2ff;
  --muted: #94a3b8;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.16);
  --button-bg: rgba(255, 255, 255, 0.04);
  --button-hover: rgba(124, 58, 237, 0.14);
}

body.theme-glow {
  --bg: #09090f;
  --bg-accent: #1a1b2f;
  --surface: rgba(10, 10, 18, 0.96);
  --surface-soft: rgba(56, 189, 248, 0.12);
  --text: #eef2ff;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.18);
  --button-bg: rgba(56, 189, 248, 0.12);
  --button-hover: rgba(56, 189, 248, 0.24);
}

body.theme-minimal {
  --bg: #f7f7f7;
  --bg-accent: #ffffff;
  --surface: rgba(255, 255, 255, 0.95);
  --surface-soft: rgba(15, 23, 42, 0.04);
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --button-bg: rgba(37, 99, 235, 0.08);
  --button-hover: rgba(37, 99, 235, 0.18);
}

body.theme-retro {
  --bg: #1b1c26;
  --bg-accent: #2e273c;
  --surface: rgba(34, 33, 51, 0.95);
  --surface-soft: rgba(248, 113, 113, 0.10);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #fb7185;
  --accent-soft: rgba(251, 113, 133, 0.20);
  --button-bg: rgba(248, 113, 113, 0.12);
  --button-hover: rgba(248, 113, 113, 0.22);
}