/**
 * EyeRadar / GrailScope - Landing Page Stylesheet (Bento Grid & Ambient Dark)
 */

/* -----------------------------------------------------------------------------
 * 1. НАВИГАЦИЯ (HEADER)
 * -------------------------------------------------------------------------- */
.landing-nav {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(9, 10, 12, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* -----------------------------------------------------------------------------
 * 2. HERO SECTION
 * -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 100px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, rgba(59, 130, 246, 0.08) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

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

.badge-version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #ffffff;
}

.hero-title-gradient {
  background: linear-gradient(180deg, #ffffff 40%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

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

.stats-ticker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

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

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--font-mono);
}

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

/* -----------------------------------------------------------------------------
 * 3. ПАРТНЕРСКИЕ МАРКЕТПЛЕЙСЫ (CHIPS)
 * -------------------------------------------------------------------------- */
.marketplaces-strip {
  padding: 40px 0;
  text-align: center;
}

.strip-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.mp-chips-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.mp-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mp-chip:hover {
  border-color: var(--color-border-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

/* -----------------------------------------------------------------------------
 * 4. BENTO GRID SECTION (ФИЧИ)
 * -------------------------------------------------------------------------- */
.features-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.bento-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.bento-col-8 { grid-column: span 8; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }
.bento-col-12 { grid-column: span 12; }

.bento-card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.bento-card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Превью Live-ленты внутри Bento-карточки */
.mockup-feed {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.mockup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  transition: background-color var(--transition-fast);
}

.mockup-item:hover {
  background-color: var(--color-surface-hover);
}

.mockup-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mockup-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background-color: #222630;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.mockup-title {
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

.mockup-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 2px;
}

.mockup-price-box {
  text-align: right;
}

.mockup-price {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--font-mono);
}

.mockup-saving {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-success);
}

/* Превью Бренд-Радара внутри Bento */
.mockup-radar {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  min-height: 200px;
  justify-content: center;
}

.radar-center-node {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 13px;
  color: #ffffff;
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.5);
  z-index: 2;
}

.radar-satellites {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.radar-satellite-node {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-hover);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.radar-score {
  color: var(--color-accent-purple);
  font-weight: 700;
}

/* -----------------------------------------------------------------------------
 * 5. ТАРИФНЫЕ ПЛАНЫ (PRICING)
 * -------------------------------------------------------------------------- */
.pricing-section {
  padding: 80px 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

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

.pricing-card.popular {
  border-color: var(--color-accent-purple);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, var(--color-surface) 100%);
  box-shadow: 0 0 32px rgba(139, 92, 246, 0.15);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent-purple);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

.plan-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
}

.plan-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  min-height: 38px;
  margin-bottom: 24px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.plan-price {
  font-size: 38px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
}

.plan-period {
  font-size: 13px;
  color: var(--color-text-muted);
}

.plan-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-feature-item {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.4;
}

.plan-check {
  color: var(--color-success);
  flex-shrink: 0;
}

.plan-disabled {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* -----------------------------------------------------------------------------
 * 6. FAQ АККОРДЕОН
 * -------------------------------------------------------------------------- */
.faq-section {
  padding: 80px 0;
}

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

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-icon {
  font-size: 18px;
  color: var(--color-text-secondary);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 300ms ease;
  padding: 0 24px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

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

/* -----------------------------------------------------------------------------
 * 7. ФИНАЛЬНЫЙ CTA И FOOTER
 * -------------------------------------------------------------------------- */
.cta-banner {
  margin: 40px 0 80px;
  background: linear-gradient(135deg, #13151a 0%, #1a1528 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
  color: #ffffff;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 32px;
}

.footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

/* -----------------------------------------------------------------------------
 * 8. МОБИЛЬНАЯ АДАПТИВНОСТЬ
 * -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-col-8 { grid-column: span 12; }
  .bento-col-4 { grid-column: span 12; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .bento-col-6 { grid-column: span 12; }
  .stats-ticker {
    gap: 20px;
  }
  .hero-section {
    padding: 60px 0 40px;
  }
}