/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 0 100px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    rgba(37, 99, 235, 0.18) 0%,
    rgba(34, 211, 238, 0.08) 40%,
    transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-sub);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--blue), #1D4ED8);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(59,130,246,0.3), 0 4px 16px rgba(37,99,235,0.35);
  transition: opacity 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 0 0 1px rgba(59,130,246,0.5), 0 4px 24px rgba(37,99,235,0.5);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(59,130,246,0.3);
  background: rgba(255,255,255,0.03);
}