/* ============================================================
   QubTrading — Reusable Component Styles
   Dark glassmorphism design system
   Requires CSS variables from style.css
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   1. Glass Cards
   ──────────────────────────────────────────────────────────── */

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease,
              box-shadow 0.3s ease,
              transform 0.3s ease;
}

.glass-card:hover {
  background: var(--glass-hover);
  box-shadow: var(--shadow-glow), 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-4px);
}

.glass-card--accent {
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.1),
    rgba(59, 130, 246, 0.05)
  );
}

.glass-card--elevated {
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.glass-card--elevated:hover {
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}


/* ────────────────────────────────────────────────────────────
   2. Feature Cards
   ──────────────────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease,
              box-shadow 0.3s ease,
              transform 0.3s ease;
}

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

.feature-card--left {
  text-align: left;
}

.feature-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.15),
    rgba(59, 130, 246, 0.15)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--accent-light);
  margin-left: auto;
  margin-right: auto;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.feature-card--left .feature-card-icon {
  margin-left: 0;
  margin-right: 0;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.feature-card:hover .feature-card-icon {
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}


/* ────────────────────────────────────────────────────────────
   3. Stat Counters
   ──────────────────────────────────────────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* ────────────────────────────────────────────────────────────
   4. Pricing Cards
   ──────────────────────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease,
              box-shadow 0.3s ease,
              transform 0.3s ease;
}

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

.pricing-card--popular {
  border-color: rgba(124, 58, 237, 0.4);
  transform: scale(1.05);
  z-index: 2;
  box-shadow: var(--shadow-glow);
}

.pricing-card--popular:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-cta);
  color: #fff;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.pricing-card-subtitle {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
}

.pricing-card-price {
  margin-bottom: 1.5rem;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.price-currency {
  font-size: 1.25rem;
  vertical-align: super;
  color: var(--text-secondary);
}

.price-period {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.pricing-card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  flex: 1;
}

.pricing-card-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  align-items: center;
}

.pricing-card-features li::before {
  content: "\2713";
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card-features li.excluded {
  color: var(--text-muted);
  text-decoration: line-through;
}

.pricing-card-features li.excluded::before {
  content: "\2717";
  color: rgba(239, 68, 68, 0.4);
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* Billing period toggle visibility */
.price-monthly {
  display: block;
}

.price-yearly {
  display: none;
}

.billing-yearly .price-monthly {
  display: none;
}

.billing-yearly .price-yearly {
  display: block;
}


/* ────────────────────────────────────────────────────────────
   5. Billing Toggle
   ──────────────────────────────────────────────────────────── */

.billing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 3rem;
}

.billing-toggle-wrap span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.billing-toggle {
  position: relative;
  width: 52px;
  height: 28px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  flex-shrink: 0;
}

.billing-toggle input {
  display: none;
}

.billing-toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.3s ease;
  pointer-events: none;
}

.billing-toggle input:checked + .billing-toggle-slider {
  transform: translateX(24px);
}

.billing-toggle-save {
  display: inline-flex;
  align-items: center;
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}


/* ────────────────────────────────────────────────────────────
   6. Testimonial Cards
   ──────────────────────────────────────────────────────────── */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease,
              box-shadow 0.3s ease,
              transform 0.3s ease;
}

.testimonial-card:hover {
  background: var(--glass-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.testimonial-card::before {
  content: "\201C";
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 4rem;
  color: rgba(167, 139, 250, 0.2);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}

.testimonial-stars {
  color: var(--amber);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.5rem;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.testimonial-role {
  color: var(--text-muted);
  font-size: 0.78rem;
}


/* ────────────────────────────────────────────────────────────
   7. Accordion / FAQ
   ──────────────────────────────────────────────────────────── */

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: border-color 0.3s ease;
}

.accordion-item.active {
  border-color: rgba(124, 58, 237, 0.3);
}

.accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  gap: 1rem;
  font-family: var(--font-body);
}

.accordion-btn:hover {
  color: var(--accent-light);
}

.accordion-btn::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.active .accordion-btn::after {
  transform: rotate(45deg);
  color: var(--accent);
}

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

.accordion-item.active .accordion-answer {
  max-height: 300px;
}

.accordion-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}


/* ────────────────────────────────────────────────────────────
   8. Badges
   ──────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge--green {
  background: rgba(34, 197, 94, 0.12);
  color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge--purple {
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.badge--amber {
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}


/* ────────────────────────────────────────────────────────────
   9. Comparison Table
   ──────────────────────────────────────────────────────────── */

.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  padding: 1rem;
  text-align: center;
  background: var(--bg-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

.comparison-table th:first-child {
  text-align: left;
}

.comparison-table td {
  padding: 0.85rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-primary);
}

.comparison-table .check {
  color: var(--green);
  font-size: 1.1rem;
}

.comparison-table .cross {
  color: rgba(148, 163, 184, 0.4);
  font-size: 1.1rem;
}

.comparison-table tbody tr {
  transition: background 0.2s ease;
}

.comparison-table tbody tr:hover {
  background: var(--glass-hover);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}


/* ────────────────────────────────────────────────────────────
   10. CTA Banner
   ──────────────────────────────────────────────────────────── */

.cta-banner {
  background: var(--gradient-hero);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 0 1.5rem;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.25) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-family: var(--font-display);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto 2rem;
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}


/* ────────────────────────────────────────────────────────────
   11. Steps
   ──────────────────────────────────────────────────────────── */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-cta);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-display);
  margin: 0 auto 1.25rem;
  position: relative;
  z-index: 1;
}

.step-connector {
  position: absolute;
  top: 28px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent) 30%,
    transparent
  );
  z-index: 0;
  pointer-events: none;
}

.step:last-child .step-connector {
  display: none;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}


/* ────────────────────────────────────────────────────────────
   Responsive
   ──────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  /* Steps */
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-connector {
    display: none;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card--popular {
    transform: scale(1);
  }

  .pricing-card--popular:hover {
    transform: translateY(-4px);
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* CTA Banner */
  .cta-banner {
    padding: 3.5rem 1.5rem;
    margin: 0 1rem;
  }

  /* Stat Grid stays 2 columns — already set as default */
}

@media (max-width: 480px) {
  /* Steps to single column */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Tighter card padding on small screens */
  .glass-card,
  .feature-card,
  .pricing-card,
  .testimonial-card {
    padding: 1.5rem;
  }

  .pricing-card {
    padding: 2rem 1.5rem;
  }

  /* CTA */
  .cta-banner {
    padding: 3rem 1rem;
    margin: 0 0.5rem;
  }

  /* Accordion */
  .accordion-btn {
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
  }

  .accordion-answer p {
    padding: 0 1.25rem 1rem;
    font-size: 0.85rem;
  }
}