/* ══════════════════════════════════════════════════════════════
   🎨 baseLINE Home — PCMedicalist Design System
   Uses tokens from /styles/tokens.css (Void Black, Diagnostic Blue
   → Cyber Purple, glass morphism, Space Grotesk / Inter / JetBrains).
   ══════════════════════════════════════════════════════════════ */

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

body {
  background: var(--color-bg-darkest, #05070B);
  color: var(--color-text-primary, #E6EDF7);
  font-family: var(--font-body, 'Inter', system-ui, sans-serif);
  line-height: var(--leading-normal, 1.6);
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--color-dark-border, #2A3A4A);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 7, 11, 0.82);
  backdrop-filter: blur(12px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text-primary, #E6EDF7);
}
.brand-mark {
  color: var(--color-brand-primary, #00CFFF);
  font-size: 1.3rem;
  filter: drop-shadow(0 0 8px rgba(0, 207, 255, 0.5));
}
.brand-name {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.site-nav { display: flex; align-items: center; gap: clamp(0.75rem, 2vw, 1.6rem); }
.site-nav a {
  color: var(--color-text-secondary, #AABAC3);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 150ms ease;
}
.site-nav a:hover { color: var(--color-text-primary, #E6EDF7); }
.nav-cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-brand-primary, #00CFFF);
  border-radius: var(--radius-md, 4px);
  color: var(--color-brand-primary, #00CFFF) !important;
}

/* ── Hero ── */
.hero {
  display: flex;
  justify-content: center;
  padding: clamp(3rem, 10vw, 7rem) clamp(1rem, 4vw, 3rem) clamp(2rem, 6vw, 4rem);
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(0, 207, 255, 0.10) 0%, transparent 70%),
    radial-gradient(40% 40% at 80% 20%, rgba(122, 92, 255, 0.10) 0%, transparent 70%);
}
.hero-inner { max-width: 760px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-brand-tertiary, #12B5FF);
  margin-bottom: 1rem;
}
.hero-title {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-weight: 700;
  font-size: var(--text-display, clamp(2.25rem, 5vw, 3.5rem));
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.grad {
  background: var(--gradient-brand, linear-gradient(135deg, #00CFFF, #7A5CFF));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  margin: 1.25rem auto 2rem;
  max-width: 560px;
  color: var(--color-text-secondary, #AABAC3);
  font-size: 1.05rem;
}
.hero-actions { display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md, 4px);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--gradient-brand, linear-gradient(135deg, #00CFFF, #7A5CFF));
  color: #05070B;
  box-shadow: 0 6px 24px -6px rgba(0, 207, 255, 0.5);
}
.btn-ghost {
  border: 1px solid var(--color-dark-border, #2A3A4A);
  color: var(--color-text-primary, #E6EDF7);
}

/* ── Features ── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem) 4rem;
}
.card {
  background: var(--glass-bg, rgba(10, 15, 23, 0.72));
  border: 1px solid var(--glass-border, rgba(160, 186, 195, 0.12));
  border-radius: var(--radius-lg, 8px);
  padding: 1.5rem;
  backdrop-filter: blur(16px) saturate(120%);
  transition: border-color 150ms ease, transform 150ms ease;
}
.card:hover {
  border-color: var(--color-brand-primary, #00CFFF);
  transform: translateY(-2px);
}
.card h3 {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary, #E6EDF7);
}
.card p { color: var(--color-text-secondary, #AABAC3); font-size: 0.92rem; }

/* ── Footer ── */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--color-dark-border, #2A3A4A);
  font-size: 0.85rem;
  color: var(--color-text-tertiary, #7D8A99);
}
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { color: var(--color-text-tertiary, #7D8A99); text-decoration: none; }
.footer-links a:hover { color: var(--color-brand-primary, #00CFFF); }

@media (max-width: 640px) {
  .site-nav a:not(.nav-cta) { display: none; }
}