/* ==================== LANDING PAGE ==================== */

/* ---- Navbar ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 4px 20px rgba(0, 0, 0, 0.4);
  padding: 10px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-brand img {
  height: 32px;
}

.nav-brand span {
  font-size: 18px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.nav-mobile-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Mobile nav */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
}

.nav-mobile-overlay.active { display: block; }

.nav-mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 1001;
  padding: 24px;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile-drawer.active { right: 0; }

.nav-mobile-drawer a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 10px;
  transition: var(--transition);
}

.nav-mobile-drawer a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-mobile-close {
  align-self: flex-end;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  margin-bottom: 12px;
}
/* ---- Promo Banner ---- */
.promo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(90deg, rgba(108, 92, 231, 0.15), rgba(0, 206, 201, 0.1));
  border-bottom: 1px solid rgba(108, 92, 231, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.promo-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 13px;
}

.promo-banner-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.promo-banner-text {
  color: var(--text-secondary);
}

.promo-banner-text strong {
  color: var(--text-primary);
}

.promo-banner-btn {
  padding: 3px 14px;
  border-radius: 100px;
  background: var(--accent-gradient);
  color: white;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}

.promo-banner-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.promo-banner-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.promo-banner-close:hover {
  color: var(--text-primary);
}

/* Push nav down when banner is showing */
.nav {
  top: 37px;
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 20px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.hero-stat-value {
  font-size: 28px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero code block */
.hero-code {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero-code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
}

.hero-code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-code-body {
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
}

.hero-code-body .c-keyword { color: #c678dd; }
.hero-code-body .c-string { color: #98c379; }
.hero-code-body .c-property { color: #e5c07b; }
.hero-code-body .c-method { color: #61afef; }
.hero-code-body .c-comment { color: #5c6370; font-style: italic; }
.hero-code-body .c-number { color: #d19a66; }

/* ---- Models Band ---- */
.models-band {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.01);
}

.models-band-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}

.models-band p {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 24px;
}

.models-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.models-logos span {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.5;
  transition: var(--transition);
  cursor: default;
}

.models-logos span:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* ---- Section Common ---- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.15);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---- Features ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(108, 92, 231, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-secondary);
}

.feature-card:nth-child(2) .feature-icon { background: rgba(0, 206, 201, 0.1); color: var(--success); }
.feature-card:nth-child(3) .feature-icon { background: rgba(253, 203, 110, 0.1); color: var(--warning); }
.feature-card:nth-child(4) .feature-icon { background: rgba(116, 185, 255, 0.1); color: #74b9ff; }
.feature-card:nth-child(5) .feature-icon { background: rgba(255, 107, 107, 0.1); color: var(--danger); }
.feature-card:nth-child(6) .feature-icon { background: rgba(85, 239, 196, 0.1); color: #55efc4; }

.feature-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- Pricing ---- */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.pricing-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.pricing-tab:hover { border-color: var(--border-hover); color: var(--text-primary); }
.pricing-tab.active { background: var(--accent-gradient); color: white; border-color: transparent; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: rgba(108, 92, 231, 0.3);
  box-shadow: 0 0 40px rgba(108, 92, 231, 0.1);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 100px;
  background: var(--accent-gradient);
  font-size: 11px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.pricing-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 36px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pricing-price .currency { font-size: 18px; font-weight: 600; color: var(--text-muted); }
.pricing-price .period { font-size: 14px; font-weight: 500; color: var(--text-muted); }
.pricing-original { font-size: 14px; color: var(--text-muted); text-decoration: line-through; margin-bottom: 4px; }

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.pricing-features li:last-child { border-bottom: none; }
.pricing-features .check { color: var(--success); flex-shrink: 0; }

/* ---- How it Works ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--success), var(--warning));
  opacity: 0.3;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition);
}

.step-card:hover .step-number {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.step-number span {
  font-size: 24px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 260px;
  margin: 0 auto;
}

/* ---- Docs ---- */
.docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.docs-code-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.docs-code-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.docs-code-tab {
  padding: 10px 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.docs-code-tab:hover { color: var(--text-primary); }
.docs-code-tab.active { color: var(--accent-secondary); border-bottom-color: var(--accent-primary); }

.docs-code-body {
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
  min-height: 200px;
}

.docs-endpoints {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.docs-endpoint-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.docs-endpoint-card:hover {
  border-color: var(--border-hover);
}

.docs-method {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.docs-method.get { background: rgba(0, 206, 201, 0.12); color: var(--success); }
.docs-method.post { background: rgba(108, 92, 231, 0.12); color: var(--accent-secondary); }

.docs-path {
  font-family: 'SF Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.docs-endpoint-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { border-color: var(--border-hover); }
.faq-item.open { border-color: rgba(108, 92, 231, 0.2); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover { color: var(--accent-secondary); }

.faq-chevron {
  transition: transform 0.3s ease;
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--accent-primary); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- CTA ---- */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 206, 201, 0.04));
  border: 1px solid rgba(108, 92, 231, 0.15);
  border-radius: 24px;
  padding: 60px 40px;
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.cta-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
  background: rgba(255, 255, 255, 0.01);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 5px 0;
  transition: var(--transition);
}

.footer-col a:hover { color: var(--accent-secondary); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-stats { gap: 20px; }
  .hero-stat-value { font-size: 22px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta-box { padding: 40px 24px; }
  .cta-title { font-size: 24px; }
  .nav-actions .btn-ghost { display: none; }
  .promo-banner-inner { font-size: 11px; padding: 6px 16px; gap: 8px; }
  .promo-banner-btn { font-size: 10px; padding: 2px 10px; }
}