*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0f1117;
  --text:    #f5f0e8;
  --accent:  #4a9eff;
  --muted:   #8892a4;
  --border:  rgba(136, 146, 164, 0.18);
  --serif:   'DM Serif Display', Georgia, serif;
  --mono:    'DM Mono', 'Fira Code', monospace;
  --sans:    'DM Sans', system-ui, -apple-system, sans-serif;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Layout ── */
main {
  flex: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1;
}

.logo-rule {
  display: inline-block;
  width: 1px;
  height: 1.4em;
  background: rgba(74, 158, 255, 0.4);
  align-self: center;
}

.logo-name {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.02em;
}

/* ── Hero ── */
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero .sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.75;
}

/* ── Features ── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
}

.feature {
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1.5rem;
}

.feature h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.feature p {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.65;
}

/* ── CTA ── */
.cta {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.status {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6em 1.4em;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.btn.primary {
  background: var(--accent);
  color: #0f1117;
}

.btn.primary:hover { background: #6aaeff; }

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }

.linkedin {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.linkedin:hover { color: var(--accent); }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

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

footer a:hover { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 480px) {
  main { padding: 2.5rem 1.25rem 2rem; gap: 2.5rem; }
  .features { grid-template-columns: 1fr; }
}