/* ========== PRODUCT PAGE STYLES ========== */

.product-hero {
  padding: 160px 0 80px;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--success), var(--success-light));
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text);
}

.product-hero-title span {
  color: var(--primary);
}

.product-hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 540px;
}

.product-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin-bottom: 32px;
}

.product-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.platform-chip .iconify {
  font-size: 1rem;
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #f59e0b;
  font-weight: 600;
  font-size: 0.95rem;
}

.product-rating .iconify {
  font-size: 1rem;
}

.product-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.product-showcase {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
}

.showcase-window {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.showcase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.showcase-dots {
  display: flex;
  gap: 6px;
}

.showcase-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.showcase-dots span:nth-child(1) { background: #ef4444; }
.showcase-dots span:nth-child(2) { background: #f59e0b; }
.showcase-dots span:nth-child(3) { background: #10b981; }

.showcase-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  flex: 1;
  text-align: center;
}

.showcase-content {
  padding: 24px;
}

.ai-chat-demo {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  display: flex;
  flex-direction: column;
}

.tube-player-demo {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  display: flex;
  flex-direction: column;
}

.downloader-demo {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message.ai {
  align-self: flex-start;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message.user .message-avatar {
  background: var(--primary);
  color: #fff;
}

.message.ai .message-avatar {
  background: var(--accent);
  color: #fff;
}

.message-content {
  background: var(--bg-elevated);
  border-radius: 16px;
  padding: 14px 18px;
  max-width: 100%;
}

.message.user .message-content {
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message.ai .message-content {
  border-bottom-left-radius: 4px;
}

.message-content p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.message-content pre {
  margin: 8px 0 0;
  background: #1a1a2e;
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
}

.message-content code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #a5f3fc;
}

.chat-input {
  display: flex;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.chat-input input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.chat-input input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-input button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.chat-input button:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.os-desktop-demo {
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
}

.desktop-wallpaper {
  position: relative;
  height: 340px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
}

.desktop-icons {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  flex: 1;
}

.desktop-icons .icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.desktop-icons .icon:hover {
  background: rgba(255,255,255,0.15);
}

.desktop-icons .icon .iconify {
  font-size: 2.5rem;
}

.desktop-icons .icon span {
  font-size: 0.75rem;
  font-weight: 500;
}

.desktop-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  background: rgba(20, 20, 30, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 0 16px;
}

.panel-left, .panel-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.panel-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.panel-btn:hover {
  background: rgba(255,255,255,0.1);
}

.start-btn .iconify {
  font-size: 1.5rem;
}

.task-buttons {
  display: flex;
  gap: 4px;
}

.task-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.task-btn.active {
  background: rgba(255,255,255,0.2);
}

.clock {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.notification-btn {
  position: relative;
}

.os-showcase {
  background: var(--bg);
  border-radius: var(--radius-lg);
  min-height: 340px;
  padding: 24px;
}

.os-showcase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.downloader-demo {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
}

.office-demo {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  display: flex;
  flex-direction: column;
}

.office-ribbon {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  flex-shrink: 0;
}

.ribbon-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.ribbon-tabs .tab {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.ribbon-tabs .tab.active {
  background: var(--primary);
  color: #fff;
}

.ribbon-groups {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ribbon-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ribbon-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

.ribbon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.ribbon-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.ribbon-btn.large {
  padding: 6px 10px;
}

.ribbon-btn .iconify {
  font-size: 1.1rem;
}

.office-ruler {
  height: 16px;
  background: linear-gradient(90deg, var(--bg-elevated) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.office-ruler::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--border), var(--border) 8px, transparent 8px, transparent 16px);
}

.office-document {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #fff;
  color: #1a1a2e;
}

.office-document h1 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: #1a1a2e;
}

.office-document p {
  margin-bottom: 12px;
  line-height: 1.6;
  color: #374151;
}

.office-document h2 {
  font-size: 1.1rem;
  margin: 16px 0 8px;
  color: #1a1a2e;
}

.office-document ul {
  margin-left: 20px;
  margin-bottom: 12px;
}

.office-document li {
  margin-bottom: 6px;
  line-height: 1.5;
  color: #374155;
}

.office-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.office-statusbar .zoom {
  display: flex;
  align-items: center;
  gap: 8px;
}

.office-statusbar .iconify {
  font-size: 1rem;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tb-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.tb-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.tb-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 8px;
}

.tb-spacer {
  flex: 1;
}

.tb-status {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.downloads-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-row {
  display: grid;
  grid-template-columns: 280px 1fr 200px 120px 48px;
  gap: 16px;
  align-items: center;
  padding: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.download-row:hover {
  border-color: var(--primary);
}

.download-row.completed {
  opacity: 0.7;
}

.dl-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.dl-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dl-icon .iconify {
  font-size: 1.4rem;
}

.dl-info div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.dl-name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dl-url {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dl-progress {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-bar.complete .progress-fill {
  background: var(--success);
}

.dl-percent {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  min-width: 45px;
  text-align: right;
}

.download-row.completed .dl-percent {
  color: var(--success);
}

.dl-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: right;
}

.dl-speed {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--text);
}

.dl-eta {
  color: var(--text-muted);
}

.dl-size {
  color: var(--text-muted);
}

.dl-actions {
  display: flex;
  justify-content: flex-end;
}

.dl-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.dl-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: var(--transition);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon .iconify {
  font-size: 1.5rem;
  color: #fff;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Screenshots */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

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

.screenshot-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.screenshot-item.main {
  grid-column: span 2;
  grid-row: span 2;
}

.screenshot-item img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

.screenshot-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.screenshot-item:hover .screenshot-overlay {
  opacity: 1;
}

.screenshot-overlay .iconify {
  font-size: 3rem;
  color: #fff;
}

/* Use Cases */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.use-case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.use-case-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.use-case-icon .iconify {
  font-size: 1.8rem;
  color: #fff;
}

.use-case-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text);
}

.use-case-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.protocol-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.protocol-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.protocol-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.protocol-icon .iconify {
  font-size: 1.5rem;
  color: #fff;
}

.protocol-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text);
}

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

/* Compatibility */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.compat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.compat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.compat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.compat-icon .iconify {
  font-size: 1.5rem;
  color: #fff;
}

.compat-card h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.compat-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.compat-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.compat-badge.full {
  background: linear-gradient(135deg, var(--success), var(--success-light));
  color: #fff;
}

.compat-badge.partial {
  background: linear-gradient(135deg, var(--warning), var(--warning-light));
  color: #fff;
}

.compat-badge.native {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.compat-badge.export {
  background: linear-gradient(135deg, var(--info), var(--info-light));
  color: #fff;
}

/* Tech Details */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.tech-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.tech-card h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.tech-card ul {
  list-style: none;
}

.tech-card li {
  padding: 8px 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 20px;
}

.tech-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* Download Section */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
}

.download-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.download-card.windows::before {
  background: linear-gradient(90deg, #0078d4, #00bcf2);
}

.download-card.linux::before {
  background: linear-gradient(90deg, #fcc624, #e95420);
}

.download-card.iso::before {
  background: linear-gradient(90deg, var(--primary), var(--purple));
}

.download-card.vm::before {
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

.download-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.download-icon .iconify {
  font-size: 2rem;
  color: #fff;
}

.download-card.windows .download-icon {
  background: linear-gradient(135deg, #0078d4, #00bcf2);
}

.download-card.linux .download-icon {
  background: linear-gradient(135deg, #fcc624, #e95420);
}

.download-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text);
}

.download-version {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  font-weight: 500;
}

.download-info {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.download-info li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.download-info li .iconify {
  color: var(--success);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.download-btn {
  padding: 16px 32px !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
}

.download-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.download-footer p {
  color: var(--text-secondary: var(--text-secondary);
  margin-bottom: 20px;
}

.os-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.os-links .btn {
  padding: 10px 20px;
}

.vm-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

.linux-alts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

/* Highlights */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.highlight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.highlight-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.highlight-icon .iconify {
  font-size: 1.8rem;
  color: #fff;
}

.highlight-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text);
}

.highlight-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Apps Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.app-icon .iconify {
  font-size: 1.8rem;
  color: #fff;
}

.app-icon.ai { background: linear-gradient(135deg, #5c6bc0, #7986cb); }
.app-icon.browser { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
.app-icon.downloader { background: linear-gradient(135deg, #10b981, #34d399); }
.app-icon.office { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.app-icon.tube { background: linear-gradient(135deg, #ef4444, #f87171); }
.app-icon.store { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

.app-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text);
}

.app-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
}

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

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-item summary:hover {
  background: var(--bg-elevated);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '';
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item summary::marker {
  display: none;
}

.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  margin: 0;
}

.faq-item code {
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  color: var(--primary);
}

/* Responsive */
@media (max-width: 991px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .product-hero-meta {
    justify-content: center;
  }

  .product-hero-actions {
    justify-content: center;
  }

  .screenshot-item.main {
    grid-column: auto;
    grid-row: auto;
  }

  .desktop-icons {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tube-player-demo {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.video-frame {
  flex: 1;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.video-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
}

.video-controls {
  padding: 16px;
  background: rgba(0,0,0,0.8);
  border-top: 1px solid #334155;
}

.progress-bar {
  height: 4px;
  background: #334155;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
  cursor: pointer;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #ef4444, #ec4899);
  border-radius: 2px;
  transition: width 0.1s linear;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e2e8f0;
  font-size: 0.85rem;
}

.ctrl-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: #e2e8f0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.ctrl-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: #94a3b8;
}

.spacer {
  flex: 1;
}

.sidebar-tabs {
  display: flex;
  gap: 8px;
  padding: 0 8px;
}

.tab-btn {
  padding: 8px 16px;
  border-radius: 20px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.up-next-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
  padding-right: 8px;
}

.up-next-item {
  display: flex;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
}

.up-next-item:hover {
  background: var(--bg-elevated);
}

.up-next-thumb {
  width: 160px;
  height: 90px;
  border-radius: var(--radius-md);
  background: #1e293b;
  flex-shrink: 0;
}

.up-next-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.up-next-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.up-next-channel {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 767px) {
  .product-hero {
    padding: 140px 0 60px;
  }

  .product-hero-title {
    font-size: 2.2rem;
  }

  .features-grid,
  .screenshots-grid,
  .use-cases-grid,
  .protocols-grid,
  .compat-grid,
  .tech-grid,
  .highlights-grid,
  .apps-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .download-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .dl-details {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }

  .dl-progress {
    order: -1;
    width: 100%;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .desktop-panel {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 12px;
  }

  .panel-center {
    position: static;
    transform: none;
    order: 3;
    width: 100%;
    text-align: center;
  }
}

/* Hero Image Styles */
.hero-image {
  width: 100%;
  max-width: 580px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border: 1px solid var(--border);
  background: var(--card);
  display: block;
  margin: 0 auto;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual .hero-image {
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}