/* ================================================================
   photo life partners Software — Product Page Styles
   ================================================================ */

/* ================================================================
   Product Hero
   ================================================================ */
.product-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-lg);
  overflow: hidden;
}

.product-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.product-hero-bg-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #0d0f14 0%, #111722 100%);
}

.product-hero-glow {
  position: absolute;
  top: 30%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200, 169, 110, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

.product-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.product-hero-breadcrumb a:hover {
  color: var(--color-accent-gold);
}

.product-hero-breadcrumb span {
  color: var(--color-border-light);
}

.product-hero-content {
  display: flex;
  align-items: flex-end;
  gap: var(--space-lg);
}

.product-hero-icon {
  width: 96px;
  height: 96px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  flex-shrink: 0;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.product-hero-info {
  flex: 1;
}

.product-hero-platform {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-silver);
  margin-bottom: 0.4rem;
}

.product-hero-name {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 0.8rem;
}

.product-hero-name span {
  color: var(--color-accent-gold);
}

.product-hero-tagline {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

/* ================================================================
   Product Overview
   ================================================================ */
.product-overview {
  padding: var(--space-lg) 0;
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.product-overview-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.overview-label {
  margin-bottom: var(--space-xs);
}

.overview-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: var(--space-sm);
}

.overview-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 2;
}

.overview-visual {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.overview-visual-placeholder {
  text-align: center;
  padding: var(--space-md);
}

.overview-visual-icon {
  font-size: 4rem;
  margin-bottom: var(--space-sm);
  opacity: 0.3;
}

.overview-visual-text {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.5;
}

/* Screenshot image */
.overview-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ================================================================
   Features Section
   ================================================================ */
.features {
  padding: var(--space-xl) 0;
}

.features-header {
  margin-bottom: var(--space-lg);
}

.features-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-top: var(--space-xs);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.feature-item:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.feature-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(200, 169, 110, 0.1);
  border: 1px solid rgba(200, 169, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent-gold);
  font-size: 0.75rem;
  margin-top: 0.1rem;
}

.feature-content {
  flex: 1;
}

.feature-name {
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ================================================================
   Screenshots Section
   ================================================================ */
.screenshots {
  padding: var(--space-lg) 0;
  background: var(--color-bg-surface);
}

.screenshots-header {
  margin-bottom: var(--space-md);
}

.screenshots-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-top: var(--space-xs);
}

.screenshots-platform-note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-sm);
}

.screenshot-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.screenshot-item:hover {
  border-color: var(--color-accent-gold-dim);
  transform: scale(1.02);
}

.screenshot-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.screenshot-placeholder {
  aspect-ratio: 16/10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  background: linear-gradient(135deg, var(--color-bg-surface) 0%, var(--color-bg-card) 100%);
}

.screenshot-placeholder-icon {
  font-size: 2.5rem;
  opacity: 0.2;
}

.screenshot-placeholder-text {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.4;
}

/* ================================================================
   Download Section
   ================================================================ */
.download {
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
}

.download::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
}

.download-label {
  margin-bottom: var(--space-xs);
}

/* ================================================================
   Backup Type Cards (hyper Backup)
   ================================================================ */
.backup-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.backup-type-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.backup-type-card:hover {
  border-color: var(--color-accent-gold-dim);
  transform: translateY(-2px);
}

.backup-type-label {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 0.4rem;
}

.backup-type-name {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.backup-type-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.backup-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ================================================================
   Download Section
   ================================================================ */
.download-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

.download-note {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.download-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-width: 200px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.download-btn:hover {
  border-color: var(--color-accent-gold-dim);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.download-btn-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.download-btn-text {
  text-align: left;
}

.download-btn-sub {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.1rem;
}

.download-btn-name {
  font-family: var(--font-label);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
  display: block;
}

.download-version {
  font-family: var(--font-label);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* Download agree checkbox */
.download-agree {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin: var(--space-md) auto 0;
  cursor: pointer;
  width: fit-content;
}

.download-agree-input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border-light);
  border-radius: 3px;
  background: var(--color-bg-card);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.download-agree-input:checked {
  background: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

.download-agree-input:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: 2px solid var(--color-bg);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.download-agree-input:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 2px;
}

.download-agree-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  user-select: none;
  line-height: 1.5;
}

.download-agree-label a {
  color: var(--color-accent-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Locked state for download buttons */
.download-btn[aria-disabled="true"] {
  opacity: 0.35;
  pointer-events: none;
  cursor: not-allowed;
  filter: grayscale(0.4);
  user-select: none;
}

/* ================================================================
   Disclaimer / Terms Section
   ================================================================ */
.disclaimer {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.disclaimer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--space-md);
  background: var(--color-bg-card);
  cursor: pointer;
  user-select: none;
  border: none;
  width: 100%;
  color: var(--color-text-secondary);
  text-align: left;
  transition: background-color var(--transition-base);
}

.disclaimer-header:hover {
  background: var(--color-bg-card-hover);
}

.disclaimer-header-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.disclaimer-header-icon {
  font-size: 0.9rem;
  opacity: 0.7;
}

.disclaimer-header-text {
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.disclaimer-toggle-icon {
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.disclaimer-header.open .disclaimer-toggle-icon {
  transform: rotate(45deg);
}

.disclaimer-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
  background: var(--color-bg-surface);
}

.disclaimer-body.open {
  max-height: 1200px;
}

.disclaimer-content {
  padding: var(--space-md) var(--space-md) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.disclaimer-block {
  margin-bottom: var(--space-md);
}

.disclaimer-block:last-child {
  margin-bottom: 0;
}

.disclaimer-block-title {
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.disclaimer-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.disclaimer-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.disclaimer-list li::before {
  content: '—';
  color: var(--color-border-light);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.disclaimer-list li.prohibited::before {
  content: '✕';
  color: #a05050;
  font-size: 0.7rem;
  margin-top: 0.15rem;
}

.disclaimer-list li.allowed::before {
  content: '✓';
  color: var(--color-accent-gold-dim);
  font-size: 0.75rem;
  margin-top: 0.1rem;
}

.disclaimer-note {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  opacity: 0.75;
}

/* ================================================================
   Story / Episode Section
   ================================================================ */
.product-story {
  padding: var(--space-xl) 0;
  background: var(--color-bg-surface);
  position: relative;
}

.product-story::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}

.product-story-inner {
  max-width: 720px;
  margin: 0 auto;
}

.product-story-quote {
  position: relative;
  padding: var(--space-lg) var(--space-lg);
}

.product-story-mark {
  font-family: var(--font-heading);
  font-size: 8rem;
  color: var(--color-accent-gold);
  opacity: 0.12;
  position: absolute;
  top: -1rem;
  left: 0;
  line-height: 1;
  user-select: none;
}

.product-story-text {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* ================================================================
   Specs / Format Section (hyper Backup)
   ================================================================ */
.specs {
  padding: var(--space-xl) 0;
}

.specs-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: var(--space-md);
  margin-top: var(--space-xs);
}

.format-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.format-badge {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.8rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.format-badge.highlight {
  background: rgba(200, 169, 110, 0.08);
  border-color: rgba(200, 169, 110, 0.25);
  color: var(--color-accent-gold);
}

/* ================================================================
   Accordion (Lightroom instructions)
   ================================================================ */
.accordion {
  margin-top: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card);
  cursor: pointer;
  transition: background-color var(--transition-base);
  user-select: none;
  border: none;
  width: 100%;
  color: var(--color-text-primary);
  text-align: left;
}

.accordion-header:hover {
  background: var(--color-bg-card-hover);
}

.accordion-title {
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.accordion-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  color: var(--color-accent-gold);
  flex-shrink: 0;
}

.accordion-header.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--color-bg-surface);
}

.accordion-body.open {
  max-height: 600px;
}

.accordion-content {
  padding: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.install-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.install-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.install-step::before {
  counter-increment: step;
  content: counter(step);
  width: 28px;
  height: 28px;
  background: rgba(200, 169, 110, 0.1);
  border: 1px solid rgba(200, 169, 110, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-label);
  font-size: 0.7rem;
  color: var(--color-accent-gold);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.install-step p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.install-step code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  background: var(--color-bg-card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--color-accent-gold);
}

/* ================================================================
   Product Navigation (prev/next)
   ================================================================ */
.product-nav {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.product-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.product-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-decoration: none;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-width: 160px;
}

.product-nav-link:hover {
  border-color: var(--color-accent-gold-dim);
  background: var(--color-bg-card);
}

.product-nav-dir {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.product-nav-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

.product-nav-link.next {
  text-align: right;
}

.product-nav-all {
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.product-nav-all:hover {
  opacity: 0.7;
}

/* ================================================================
   Responsive — Product Pages
   ================================================================ */
@media (max-width: 768px) {
  .product-hero-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .product-hero-icon {
    width: 72px;
    height: 72px;
    font-size: 2rem;
  }

  .product-overview-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .product-story-quote {
    padding: var(--space-md) var(--space-sm);
  }

  .product-nav-inner {
    flex-direction: column;
  }

  .product-nav-link {
    width: 100%;
  }

  .product-nav-link.next {
    text-align: left;
  }
}