/* ══════════════════════════════════════
   SCREEN: LANDING
   ══════════════════════════════════════ */
#landing.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  padding-top: 0;
  position: relative;
}
#landing::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.dark #landing::before { opacity: 0.3; }
#landing > * { position: relative; z-index: 1; }

.landing-logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-500);
  margin-bottom: 32px;
}
.landing-h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.landing-h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.landing-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 440px;
  margin: 0 auto 40px;
  line-height: 1.5;
}