/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 8vw;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
}
.brand span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-actions { display: flex; gap: 0.8rem; align-items: center; }
.btn-primary {
  padding: 0.9rem 2.2rem;
  background: var(--accent);
  color: #0d0f14;
  border: none;
  border-radius: 3px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-soft); }
.btn-secondary {
  padding: 0.9rem 2.2rem;
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: 3px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ── UTILITIES ── */
.tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 2px;
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* page offset for fixed navbar */
main, section.hero { padding-top: 80px; }