/* PortPilot Landing Page - TokyoNight Theme */

:root {
  --bg-primary: #1a1b26;
  --bg-secondary: #24283b;
  --bg-tertiary: #414868;
  --text-primary: #c0caf5;
  --text-secondary: #a9b1d6;
  --text-muted: #565f89;
  --accent-primary: #7aa2f7;
  --accent-secondary: #bb9af7;
  --accent-green: #9ece6a;
  --accent-cyan: #7dcfff;
  --accent-orange: #ff9e64;
  --border-color: #414868;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1024px) {
  .hero .container {
    max-width: 1400px;
    padding: 0 40px;
  }
}

/* Header Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26, 27, 38, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: opacity 0.2s ease;
  cursor: pointer;
}

.nav-brand:hover {
  opacity: 0.8;
}

.nav-brand .icon {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.ai-icon {
  filter: grayscale(1);
  opacity: 0.7;
}

.nav-link:hover .ai-icon {
  opacity: 0.9;
}

.nav-link.active .ai-icon {
  opacity: 1;
}

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

.nav-link.active {
  color: var(--accent-cyan);
  background: var(--bg-tertiary);
}

.nav-link-download {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.nav-link-download:hover {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 130px 0 150px;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-color);
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0 60px;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1200px) {
  .hero-content {
    gap: 60px;
  }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero h1 .icon {
  margin-right: 12px;
}

.tagline {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 20px;
  font-weight: 500;
}

.description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(122, 162, 247, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
  transform: translateY(-2px);
}

.btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.version-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

/* Features Section */
.features {
  padding: 48px 0;
  background: var(--bg-secondary);
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.feature-card {
  background: var(--bg-primary);
  padding: 16px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: border-color 0.2s ease;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-card:hover {
  border-color: var(--accent-primary);
}

.feature-icon {
  font-size: 1.25rem;
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-text h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--accent-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Screenshots Section */
.screenshots {
  padding: 80px 0;
  background: var(--bg-primary);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.screenshot-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: transform 0.2s ease;
}

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

.screenshot-card img {
  width: 100%;
  display: block;
}

.screenshot-card h4 {
  padding: 16px 20px 8px;
  color: var(--accent-primary);
  font-size: 1.1rem;
}

.screenshot-card p {
  padding: 0 20px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Badges Section */
.badges-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.badge-item {
  background: var(--bg-primary);
  padding: 20px 24px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.badge-icon {
  font-size: 1.5rem;
  margin-right: 8px;
}

/* Getting Started Section */
.getting-started {
  padding: 80px 0;
  background: var(--bg-primary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.step {
  text-align: center;
  padding: 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

/* Shortcuts Section */
.shortcuts-section {
  padding: 60px 0;
  background: var(--bg-secondary);
}

.shortcuts-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-primary);
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

kbd {
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

.shortcut span {
  color: var(--text-secondary);
}

/* Download Section */
.download-section {
  padding: 48px 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1e2030 100%);
}

.download-section h2 {
  margin-bottom: 8px;
}

.version-badge {
  display: inline-block;
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  margin-left: 12px;
  vertical-align: middle;
}

.download-section .section-subtitle {
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.download-section h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.download-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
  margin-bottom: 24px;
}

.download-card {
  background: var(--bg-secondary);
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 14px;
}

.download-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--accent-primary);
}

.download-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.download-card h3 {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin: 0;
  min-width: 140px;
  flex-shrink: 0;
}

.download-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.3;
  margin: 0;
  flex: 1;
}

.download-size {
  display: inline-block;
  background: var(--bg-tertiary);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  white-space: nowrap;
  flex-shrink: 0;
}

/* MCP Section */
.mcp-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.mcp-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

.mcp-commands h3,
.mcp-info h3 {
  font-size: 1.1rem;
  color: var(--accent-primary);
  margin-bottom: 20px;
  text-align: left;
}

.command-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.command-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px 20px;
  transition: border-color 0.2s ease;
}

.command-item:hover {
  border-color: var(--accent-green);
}

.command-quote {
  color: var(--accent-green);
  font-style: italic;
  font-size: 1rem;
}

.mcp-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.mcp-tool {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.mcp-note {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-align: left;
}

@media (max-width: 768px) {
  .mcp-content {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer {
  padding: 48px 0 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.footer-brand p {
  color: var(--text-secondary);
}

.footer-brand a {
  color: var(--accent-primary);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.copyright {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 16px;
  }

  .nav-links {
    gap: 4px;
  }

  .nav-link {
    padding: 6px 12px;
    font-size: 0.85rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .description {
    max-width: 100%;
  }

  .cta-buttons {
    justify-content: center;
  }

  .hero-image {
    order: -1;
    max-width: 600px;
    margin: 0 auto;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 12px;
  }

  .nav-brand {
    width: 100%;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 1.1rem;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 0.75rem;
    border-radius: 4px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero h1 .icon {
    margin-right: 8px;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .description {
    font-size: 1rem;
    margin-bottom: 24px;
  }

  .cta-buttons {
    gap: 12px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 0.9rem;
    padding: 0 16px;
  }

  .features-grid,
  .screenshot-grid,
  .download-options,
  .badges-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-card {
    padding: 14px 16px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .step {
    padding: 20px;
  }

  .container {
    padding: 0 16px;
  }

  .features,
  .knowledge-section,
  .badges-section,
  .getting-started,
  .mcp-section {
    padding: 48px 0;
  }

  .download-section,
  .shortcuts-section {
    padding: 40px 0;
  }

  .footer {
    padding: 36px 0 20px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .shortcuts-grid {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .shortcut {
    justify-content: center;
  }

  .carousel-btn {
    padding: 12px 16px;
    font-size: 1.2rem;
  }

  .carousel-prev {
    left: 5px;
  }

  .carousel-next {
    right: 5px;
  }

  .carousel-dots {
    bottom: 10px;
    padding: 8px 0;
  }

  .carousel-dots .dot {
    width: 8px;
    height: 8px;
    margin: 0 4px;
  }
}


/* Screenshot Carousel Styles */
.hero-mockup {
  max-width: 100%;
  width: 100%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screenshot-carousel {
  position: relative;
  width: 140%;
  max-width: none;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-secondary);
}

@media (max-width: 1200px) {
  .screenshot-carousel {
    width: 130%;
  }
}

@media (max-width: 1024px) {
  .screenshot-carousel {
    width: 120%;
    border-radius: 10px;
  }
}

@media (max-width: 768px) {
  .screenshot-carousel {
    width: 100%;
    border-radius: 8px;
  }
}

@media (max-width: 480px) {
  .screenshot-carousel {
    border-radius: 6px;
  }
}

.carousel-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-slide {
  display: none;
  width: 100%;
  animation: fadeIn 0.5s ease;
}

.carousel-slide.active {
  display: block;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  padding: 16px 20px;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  transition: background 0.3s ease;
  border-radius: 4px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.carousel-btn:active {
  background: rgba(0, 0, 0, 0.9);
  transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
  left: 10px;
}

.carousel-next {
  right: 10px;
}

.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
  padding: 12px 0;
  background: rgba(0, 0, 0, 0.3);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  z-index: 5;
}

.carousel-dots .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  margin: 0 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.carousel-dots .dot:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.2);
  border-color: rgba(255, 255, 255, 0.6);
}

.carousel-dots .dot.active {
  background: rgba(255, 255, 255, 0.9);
  transform: scale(1.3);
  border-color: rgba(255, 255, 255, 0.8);
}

/* Knowledge Section Styles */
.knowledge-section {
  padding: 80px 0;
  background: var(--bg-primary);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.knowledge-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s ease;
}

.knowledge-card:hover {
  border-color: var(--accent-primary);
}

.knowledge-card h3 {
  color: var(--accent-primary);
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.knowledge-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.knowledge-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.knowledge-list li {
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
}

.knowledge-list li::before {
  content: "•";
  color: var(--accent-primary);
  position: absolute;
  left: 0;
}

.knowledge-list.numbered {
  counter-reset: step;
}

.knowledge-list.numbered li {
  counter-increment: step;
}

.knowledge-list.numbered li::before {
  content: counter(step) ".";
}

.sub-list {
  list-style: none;
  padding-left: 20px;
  margin-top: 6px;
}

.sub-list li::before {
  content: "–";
}

.port-reference {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.port-item {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.port-num {
  font-family: monospace;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--accent-cyan);
  font-weight: 600;
}

.badge-reference {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.badge-ref-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.badge-ref-item span:first-child {
  font-size: 1rem;
}

.faq-item {
  margin-bottom: 8px;
}

.faq-item summary {
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 500;
  padding: 8px 0;
}

.faq-item p {
  padding-left: 16px;
  font-size: 0.85rem;
}

.note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

@media (max-width: 768px) {
  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .port-reference {
    grid-template-columns: 1fr;
  }

  .mockup-actions {
    display: none;
  }

  .mockup-tabs {
    font-size: 0.8rem;
  }

  .mockup-tab {
    padding: 10px 12px;
  }

  .knowledge-card {
    padding: 20px;
  }

  .knowledge-card h3 {
    font-size: 1rem;
  }

  .mcp-content {
    gap: 32px;
  }

  .download-card {
    padding: 16px;
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .download-card h3 {
    min-width: unset;
  }

  .download-icon {
    font-size: 2.5rem;
  }
}

/* Extra small devices (iPhone SE, etc.) */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .description {
    font-size: 0.95rem;
  }

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

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .nav-link {
    padding: 6px 8px;
    font-size: 0.7rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .feature-card,
  .knowledge-card {
    padding: 16px;
  }

  .carousel-btn {
    padding: 10px 12px;
    font-size: 1rem;
  }
}