/* Buy Page — Fullscreen Slide Carousel */

/* Lock body scroll when carousel is active */
body.carousel-active {
  overflow: hidden;
}

/* Hide footer on carousel page */
body.carousel-active .footer {
  display: none;
}

/* Carousel container */
.buy-carousel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* Progress Bar */
.carousel-progress {
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 0.75rem 1.5rem;
  background: var(--background);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.carousel-progress.visible {
  opacity: 1;
  pointer-events: auto;
}

.progress-track {
  position: absolute;
  top: 50%;
  left: 2.5rem;
  right: 2.5rem;
  height: 2px;
  background: var(--border);
  transform: translateY(-50%);
  border-radius: 1px;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 1px;
  width: 0%;
  transition: width 0.4s ease;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.progress-step {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--background);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  color: var(--muted-foreground);
}

.progress-step svg {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

.progress-step:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.progress-step.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
  transform: scale(1.15);
}

.progress-step.completed {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

/* Slides */
.slides {
  width: 100%;
  height: 100vh;
  position: relative;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: translateY(1.5rem);
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.slide-inner {
  max-width: 42rem;
  width: 100%;
  text-align: center;
}

/* Intro Slide */
.slide--intro .buy-header-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: rgba(16, 185, 129, 0.08);
  padding: 0.3rem 0.875rem;
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.slide-hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.slide-hero-subtitle {
  font-size: 1.0625rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  max-width: 36rem;
  margin: 0 auto 2rem;
}

/* Step Slides */
.slide-icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  margin: 0 auto 1.25rem;
}

.slide-icon svg {
  width: 2rem;
  height: 2rem;
}

.slide-icon--final {
  background: var(--primary);
  color: white;
}

.slide-step-num {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.slide-duration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: var(--muted);
  border: 1px solid var(--border);
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  margin-top: 1.25rem;
}

.slide-duration svg {
  width: 0.75rem;
  height: 0.75rem;
  flex-shrink: 0;
}

.slide-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.slide-text {
  font-size: 1rem;
  color: var(--muted-foreground);
  line-height: 1.7;
  max-width: 36rem;
  margin: 0 auto;
}

.slide-text a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.slide-text a:hover {
  color: var(--primary-hover);
}

/* Tip Box (reused) */
.step-tip {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  background: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.5;
  text-align: left;
}

.step-tip--success {
  background: rgba(16, 185, 129, 0.06);
  border-color: rgba(16, 185, 129, 0.2);
  color: #047857;
}

.tip-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
  color: var(--primary);
}

/* Step Details (cost breakdown) */
.step-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1.25rem;
  text-align: left;
}

.step-detail-item {
  padding: 0.625rem 0.75rem;
  background: var(--muted);
  border-radius: calc(var(--radius) / 1.5);
  border: 1px solid var(--border);
}

.detail-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.125rem;
}

.detail-desc {
  display: block;
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  line-height: 1.4;
}

/* Timeline (shipping durations) */
.step-timeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1.25rem;
  text-align: left;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--muted);
  border-radius: calc(var(--radius) / 1.5);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
}

.timeline-flag {
  font-size: 1rem;
  line-height: 1;
}

.timeline-label {
  color: var(--muted-foreground);
}

.timeline-value {
  margin-left: auto;
  font-weight: 600;
  color: var(--foreground);
  white-space: nowrap;
}

/* CTA Slide */
.slide-cta-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
}

.slide-cta-text {
  font-size: 1rem;
  color: var(--muted-foreground);
  margin-bottom: 1.75rem;
}

.slide-cta-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Navigation Arrows */
.carousel-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  padding: 0;
}

.carousel-arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

.carousel-arrow:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(16, 185, 129, 0.05);
}

.carousel-arrow--prev {
  left: 1.25rem;
}

.carousel-arrow--next {
  right: 1.25rem;
}

.carousel-arrow.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Responsive */
@media (min-width: 768px) {
  .slide-hero-title {
    font-size: 3.5rem;
  }

  .slide-title {
    font-size: 2rem;
  }

  .carousel-arrow--prev {
    left: 2rem;
  }

  .carousel-arrow--next {
    right: 2rem;
  }
}

@media (max-width: 768px) {
  .carousel-arrow {
    width: 2.5rem;
    height: 2.5rem;
  }

  .carousel-arrow svg {
    width: 1rem;
    height: 1rem;
  }

  .carousel-arrow--prev {
    left: 0.75rem;
  }

  .carousel-arrow--next {
    right: 0.75rem;
  }

  .carousel-progress {
    padding: 0.625rem 1rem;
  }

  .progress-track {
    left: 1.5rem;
    right: 1.5rem;
  }

  .progress-step {
    width: 1.625rem;
    height: 1.625rem;
  }

  .progress-step svg {
    width: 0.7rem;
    height: 0.7rem;
  }
}

@media (max-width: 480px) {
  .slide-hero-title {
    font-size: 2rem;
  }

  .slide-hero-subtitle {
    font-size: 0.9375rem;
  }

  .slide-title {
    font-size: 1.375rem;
  }

  .slide-text {
    font-size: 0.9375rem;
  }

  .slide-icon {
    width: 3.5rem;
    height: 3.5rem;
  }

  .slide-icon svg {
    width: 1.5rem;
    height: 1.5rem;
  }

  .slide {
    align-items: flex-start;
    padding: 7.5rem 1rem 5rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .slide--intro {
    align-items: center;
    overflow-y: hidden;
    padding-top: 2rem;
  }

  .step-details {
    grid-template-columns: 1fr 1fr;
  }

  .step-details .detail-desc {
    display: none;
  }

  .step-timeline {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-item {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    gap: 0.375rem;
  }

  .timeline-flag {
    font-size: 0.875rem;
  }

  .slide-cta-buttons {
    flex-direction: column;
  }

  .slide-cta-buttons .btn {
    width: 100%;
  }

  /* Progress dots on small screens */
  .progress-step {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 1.5px;
  }

  .progress-step svg {
    width: 0.55rem;
    height: 0.55rem;
  }

  .progress-step.active {
    transform: scale(1.2);
  }

  .progress-track {
    left: 0.75rem;
    right: 0.75rem;
  }

  .carousel-progress {
    padding: 0.5rem 0.75rem;
  }

  .carousel-arrow {
    top: auto;
    bottom: 1.5rem;
    transform: none;
  }

  .carousel-arrow--prev {
    left: 1.25rem;
  }

  .carousel-arrow--next {
    right: 1.25rem;
  }
}