/* Minimal landing — reuses theme vars from style.css */

.landing-body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 90% 60% at 10% 0%, rgba(37, 99, 235, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 100%, rgba(14, 165, 233, 0.1), transparent 50%),
    var(--bg-page);
  color: var(--text-primary);
}

.landing-top {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1.25rem 0;
}

.landing-top-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.landing-main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
}

.landing-hero {
  box-sizing: border-box;
  max-width: none;
  margin: 0;
  padding: 12vh 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.landing-brand {
  margin: 0 0 0.85rem;
  font-family: "Noto Serif TC", "Source Han Serif TC", "Songti TC", "Times New Roman", serif;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--text-primary);
}

.landing-tagline {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-label);
}

.landing-lead {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.landing-cta-row {
  margin: 0 0 1.5rem;
}

.landing-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 0.55rem;
  background: var(--accent-strong);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: background 0.15s ease, transform 0.15s ease;
}

.landing-cta:hover {
  background: var(--accent);
}

.landing-cta:focus-visible {
  outline: 2px solid var(--outline-active);
  outline-offset: 3px;
}

.landing-disclaimer {
  margin: 0;
  max-width: 34rem;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.landing-parent-note {
  margin: 0.65rem 0 0;
  max-width: 34rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.landing-highlights {
  margin-top: 0.25rem;
  padding: 1.25rem 0 1.5rem;
  border-top: 1px solid var(--border-default);
}

.landing-highlights-title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.landing-highlights-list {
  margin: 0;
  padding-left: 1.2rem;
  max-width: 34rem;
}

.landing-highlights-list li {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.landing-highlights-list li:last-child {
  margin-bottom: 0;
}

.landing-faq {
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-default);
}

.landing-faq-title {
  margin: 0 0 0.85rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.landing-faq-item {
  margin: 0 0 0.55rem;
  padding: 0.65rem 0.75rem;
  border-radius: 0.45rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-default);
}

.landing-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-label);
}

.landing-faq-item p {
  margin: 0.55rem 0 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.landing-footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-muted);
  text-align: center;
}

.landing-footer a {
  color: var(--accent-strong);
  text-decoration: none;
}

.landing-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 520px) {
  .landing-hero {
    padding-top: 8vh;
  }

  .landing-cta {
    width: 100%;
  }
}