/* yangfanyunjc.mom - Twilight Celestial Airship (Dark Mode) */
:root {
  --bg: #150B24;
  --surface: #231238;
  --surface-glow: #2E1848;
  --neon-violet: #E879F9;
  --neon-cyan: #22D3EE;
  --amber-glow: #F59E0B;
  --text: #F5EEF8;
  --muted: #A78BFA;
  --border: #4C1D95;
  --card-border: #581C87;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
}
a { color: var(--neon-cyan); text-decoration: none; transition: all 0.2s; }
a:visited { color: var(--neon-cyan); }
a:hover { color: var(--neon-violet); text-shadow: 0 0 8px rgba(232, 121, 249, 0.6); }

/* Floating Dark Frosted Pill Header */
.site-header {
  background: rgba(35, 18, 56, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.45rem;
  font-weight: 900;
  color: #FFF;
  text-shadow: 0 0 12px rgba(232, 121, 249, 0.4);
}
.logo-orb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  transition: all 0.2s;
}
.nav-links a:hover {
  background: rgba(232, 121, 249, 0.15);
  color: var(--neon-violet);
}
.nav-links .nav-hub-link {
  color: var(--amber-glow);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--neon-violet) 0%, #C026D3 100%);
  color: #FFF !important;
  box-shadow: 0 0 20px rgba(232, 121, 249, 0.4);
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(232, 121, 249, 0.7);
  transform: translateY(-2px);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text) !important;
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan) !important;
}

/* Reverse Split Hero (Left: Celestial Airship Canvas, Right: Futuristic Fantasy Copy) */
.hero-celestial {
  max-width: 1200px;
  margin: 4rem auto 5rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}
.hero-canvas-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 12px;
  box-shadow: 0 0 40px rgba(109, 40, 217, 0.25);
}
.hero-illus { width: 100%; height: auto; display: block; border-radius: 16px; }

@keyframes schoonerFloat {
  0%, 100% { transform: translateY(0) rotate(0.8deg); }
  50% { transform: translateY(-9px) rotate(-1deg); }
}
.sky-schooner-float3 { animation: schoonerFloat 5.5s ease-in-out infinite; transform-origin: center bottom; }

.hero-copy-block .sky-badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  border-radius: 9999px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}
.hero-copy-block h1 {
  font-size: 2.9rem;
  line-height: 1.25;
  font-weight: 900;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #FFF 0%, var(--neon-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-copy-block p {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.hero-cta-wrap { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Dark Sections */
.celestial-section {
  max-width: 1200px;
  margin: 6rem auto;
  padding: 0 2rem;
}
.celestial-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}
.celestial-tag {
  color: var(--neon-violet);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: block;
}
.celestial-header h2 {
  font-size: 2.3rem;
  font-weight: 900;
  color: #FFF;
  margin-bottom: 0.75rem;
}
.celestial-header p { color: var(--muted); font-size: 1.05rem; }

/* Asymmetric Glowing Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.bento-card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all 0.25s ease;
}
.bento-card:hover {
  border-color: var(--neon-violet);
  box-shadow: 0 0 25px rgba(232, 121, 249, 0.25);
  transform: translateY(-3px);
}
.bento-card.wide { grid-column: span 2; }
.bento-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(232, 121, 249, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-violet);
  margin-bottom: 1.5rem;
}
.bento-card h3 { font-size: 1.35rem; color: #FFF; margin-bottom: 0.6rem; }
.bento-card p { color: var(--muted); font-size: 0.95rem; }

/* 4 Cockpit Matrix Cards */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.matrix-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.matrix-card h3 { font-size: 1.2rem; color: #FFF; margin-bottom: 0.6rem; }
.matrix-card p { color: var(--muted); font-size: 0.9rem; }

/* Pricing: Cyber-Fantasy Energy Pods */
.energy-pod-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}
.energy-pod {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
}
.energy-pod.featured {
  border-color: var(--neon-violet);
  box-shadow: 0 0 35px rgba(232, 121, 249, 0.25);
}
.pod-title { font-size: 1.4rem; color: #FFF; font-weight: 800; margin-bottom: 0.4rem; }
.pod-price { font-size: 2.6rem; font-weight: 900; color: var(--neon-violet); margin: 1rem 0; }
.pod-features { list-style: none; margin: 1.5rem 0 2.5rem 0; flex-grow: 1; }
.pod-features li { padding: 0.6rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); color: var(--muted); font-size: 0.95rem; }

/* Dark Mode Collapsible Panels */
.star-faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.star-faq-card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.8rem 2rem;
}
.star-faq-card h3 { font-size: 1.15rem; color: #FFF; margin-bottom: 0.5rem; }
.star-faq-card p { color: var(--muted); font-size: 0.95rem; }

/* Testimonials: Comm Records */
.comm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}
.comm-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.comm-card p { color: var(--text); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.25rem; }
.comm-user { display: flex; align-items: center; gap: 0.75rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.comm-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--border); display: flex; align-items: center; justify-content: center; color: var(--neon-cyan); font-weight: 700; }
.comm-meta h4 { font-size: 0.9rem; color: #FFF; }
.comm-meta span { font-size: 0.75rem; color: var(--muted); }

/* Page Container (Hub & Articles) */
.page-container {
  max-width: 880px;
  margin: 3.5rem auto;
  padding: 0 2rem;
}
.article-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
}
.article-header h1 {
  font-size: 2.4rem;
  font-weight: 900;
  color: #FFF;
  line-height: 1.35;
  margin-bottom: 1rem;
}
.article-meta {
  color: var(--muted);
  font-size: 0.95rem;
  display: flex;
  gap: 1.5rem;
}
.article-body { font-size: 1.05rem; line-height: 1.9; color: var(--text); }
.article-body h2 {
  font-size: 1.65rem;
  font-weight: 900;
  color: #FFF;
  margin: 2.5rem 0 1rem 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}
.article-body h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--neon-cyan);
  margin: 1.75rem 0 0.75rem 0;
}
.article-body p { margin-bottom: 1.4rem; }

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 3.5rem 2rem;
  margin-top: 6rem;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.footer-links { display: flex; gap: 2.5rem; }
.footer-links a {
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
}
.footer-links a:hover { color: var(--neon-cyan); }
.copyright { color: var(--muted); font-size: 0.85rem; }

@media (max-width: 768px) {
  .nav-container { flex-wrap: wrap; justify-content: center; padding: 1rem; }
  .nav-links { order: 3; width: 100%; justify-content: center; gap: 0.75rem; margin-top: 0.5rem; }
  .hero-celestial { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-copy-block h1 { font-size: 2.2rem; }
  .bento-grid, .matrix-grid, .energy-pod-grid, .comm-grid { grid-template-columns: 1fr; }
  .bento-card.wide { grid-column: span 1; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1.25rem; }
}