/* ============================================
   珍妮 CLAW - Landing Page (Premium Redesign)
   ============================================ */

/* Fonts */
body {
  font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---- Navigation ---- */
.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  max-width: 1280px;
  margin: 0 auto;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  transition: all 0.3s ease;
}

.landing-nav.scrolled {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  padding: 10px 40px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-brand-text {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-nav .nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.landing-nav .nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.landing-nav .nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  background: var(--primary) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-full) !important;
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 300;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-mobile-toggle.active span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Hero ---- */
.hero {
  position: relative;
  text-align: center;
  padding: 160px 20px 100px;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.08) 40%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

/* Hero Logo Wrap */
.hero-logo-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 24px;
}

.hero-logo {
  width: 252px;
  height: 252px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(99, 102, 241, 0.35);
  box-shadow:
    0 0 40px rgba(99, 102, 241, 0.25),
    0 0 100px rgba(236, 72, 153, 0.15),
    0 0 160px rgba(99, 102, 241, 0.1);
  animation: logoFloat 4s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

/* 閃電亮紋 — 掃光效果 */
.hero-logo-shine {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 200deg,
    transparent 0deg,
    rgba(255,255,255,0.55) 20deg,
    rgba(255,255,255,0.15) 40deg,
    transparent 60deg,
    transparent 360deg
  );
  animation: logoShine 3s linear infinite;
  z-index: 2;
  pointer-events: none;
}

/* 閃電 bolt 圖示 */
.hero-logo-bolt {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 2rem;
  filter: drop-shadow(0 0 8px #facc15) drop-shadow(0 0 18px #f59e0b);
  animation: boltPulse 1.8s ease-in-out infinite;
  z-index: 3;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes logoShine {
  0%   { transform: rotate(0deg); opacity: 0.7; }
  50%  { opacity: 1; }
  100% { transform: rotate(360deg); opacity: 0.7; }
}

@keyframes boltPulse {
  0%, 100% { transform: scale(1);    opacity: 0.8; }
  50%       { transform: scale(1.25); opacity: 1; }
}

/* 系統正式名稱 */
.hero-system-name {
  font-size: 5.376rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #e0e7ff 0%, var(--primary-light) 40%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #e0e7ff 0%, var(--primary-light) 30%, #ec4899 70%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-btn-primary {
  padding: 14px 32px !important;
  font-size: 1.05rem !important;
  border-radius: var(--radius-full) !important;
  background: linear-gradient(135deg, var(--primary), #7c3aed) !important;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  transition: all 0.3s !important;
}

.hero-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
}

.hero-btn-secondary {
  padding: 14px 32px !important;
  font-size: 1.05rem !important;
  border-radius: var(--radius-full) !important;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* ---- Section Headers ---- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Features ---- */
.features {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.35s ease;
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.12);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon {
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---- Testimonials ---- */
.testimonials {
  padding: 80px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.35s ease;
  opacity: 0;
  transform: translateY(20px);
}

.testimonial-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:hover {
  border-color: rgba(236, 72, 153, 0.4);
  box-shadow: 0 8px 30px rgba(236, 72, 153, 0.08);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.author-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Pricing ---- */
.pricing {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.35s ease;
  opacity: 0;
  transform: translateY(20px);
}

.pricing-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
  border-color: var(--primary);
  position: relative;
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.06) 0%, var(--surface) 100%);
}

.pricing-card.featured::before {
  content: '最受歡迎';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: white;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.pricing-card .tier-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.pricing-card .price span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-card .feed-quota {
  color: var(--success);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-card li {
  padding: 7px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-card li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
  font-size: 0.9rem;
}

/* ---- FAQ ---- */
.faq {
  padding: 80px 20px;
  max-width: 760px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(12px);
}

.faq-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-weight: 600;
  font-size: 0.95rem;
}

.faq-toggle {
  font-size: 1.25rem;
  color: var(--primary-light);
  transition: transform 0.3s;
  font-weight: 300;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---- Disclaimer ---- */
.disclaimer-section {
  padding: 40px 20px;
  max-width: 760px;
  margin: 0 auto;
}

.disclaimer-card {
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 12px;
  padding: 28px;
}

.disclaimer-card h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #f59e0b;
}

.disclaimer-card ul {
  padding-left: 20px;
}

.disclaimer-card li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 5px 0;
  line-height: 1.6;
}

/* ---- About ---- */
.about-section {
  padding: 80px 20px;
}

.about-inner {
  max-width: 860px;
  margin: 0 auto;
}

.about-brand-highlight {
  background: linear-gradient(135deg, var(--primary-light), #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  margin-top: 8px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.3s;
}

.about-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.about-card:hover {
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.1);
}

.about-card-avatar {
  flex-shrink: 0;
}

.about-card-avatar img {
  width: 100px;
  height: 100px;
  border-radius: 16px;
  object-fit: contain;
  background: #fff;
  padding: 8px;
  border: 2px solid rgba(99, 102, 241, 0.25);
}

.about-card-body {
  flex: 1;
}

.about-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.about-card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
}

@media (max-width: 560px) {
  .about-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px;
  }
  .about-badges {
    justify-content: center;
  }
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 60px 20px 0;
  margin-top: 40px;
}

.footer-main {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
}

.footer-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-inspired a {
  color: var(--text-muted);
  text-decoration: underline;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---- Modal body ---- */
.modal-body h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--primary-light);
}

.modal-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- Legal Modal ---- */
.modal-legal {
  max-width: 680px !important;
}

.modal-legal .modal-body {
  max-height: 65vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.modal-legal .modal-body::-webkit-scrollbar {
  width: 5px;
}
.modal-legal .modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-legal .modal-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.legal-preamble {
  background: rgba(99, 102, 241, 0.06);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.legal-section {
  margin-bottom: 24px;
}

.legal-section h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.legal-section h4 .legal-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-light);
  flex-shrink: 0;
}

.legal-section p {
  font-size: 0.855rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 8px;
}

.legal-section ul {
  padding-left: 0;
  list-style: none;
  margin-top: 8px;
}

.legal-section ul li {
  font-size: 0.855rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 4px 0 4px 20px;
  position: relative;
}

.legal-section ul li::before {
  content: '›';
  position: absolute;
  left: 6px;
  color: var(--primary-light);
  font-weight: 700;
}

.legal-highlight {
  background: rgba(245, 158, 11, 0.07);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 10px;
}

.legal-highlight p {
  color: #d97706 !important;
  font-size: 0.82rem !important;
}

.legal-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.legal-footer span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legal-contact {
  font-size: 0.82rem;
  color: var(--primary-light);
  text-decoration: none;
}
.legal-contact:hover { text-decoration: underline; }

/* Disclaimer section on page */
.disclaimer-card ul li::marker { color: #f59e0b; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .landing-nav { padding: 12px 20px; }
  .landing-nav.scrolled { padding: 8px 20px; }

  .nav-mobile-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 250;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a { font-size: 1.1rem; }

  .hero { padding: 120px 20px 60px; }
  .hero h1 { font-size: 1.5rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-logo { width: 154px; height: 154px; }
  .hero-system-name { font-size: 1.52rem; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.3rem; }
  .hero-cta { flex-direction: column; align-items: center; }

  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  .section-header h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.2rem; }
  .hero-logo { width: 112px; height: 112px; }
  .hero-logo-bolt { font-size: 1.4rem; bottom: 6px; right: 6px; }
  .footer-links { grid-template-columns: 1fr; }
}