:root {
  --color-bg: #0b1320;
  --color-surface: #142032;
  --color-surface-elevated: #1b2c45;
  --color-border: #243b5c;
  --color-text-main: #f0f6fc;
  --color-text-muted: #94a3b8;
  --color-primary: #0284c7;
  --color-primary-light: #38bdf8;
  --color-accent: #10b981;
  --color-accent-amber: #f59e0b;
  --color-focus: #38bdf8;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --max-width: 1040px;
  --transition: 0.2s ease-in-out;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover {
  color: #7dd3fc;
}

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.site-header {
  background-color: rgba(11, 19, 32, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text-main);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-text-main);
  background-color: var(--color-surface);
}

.main-content {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.badge-beta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--color-accent-amber);
  color: var(--color-accent-amber);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero-text h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-primary);
  padding-left: 1rem;
}

.hero-preview-container {
  display: flex;
  justify-content: center;
}

.hero-screenshot {
  max-width: 280px;
  width: 100%;
  border-radius: var(--radius-lg);
  border: 4px solid var(--color-surface-elevated);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  object-fit: cover;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform var(--transition), border-color var(--transition);
}

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

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary-light);
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.gallery-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
}

.gallery-card img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: top;
  display: block;
}

.gallery-card figcaption {
  padding: 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.page-header {
  margin-bottom: 2.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.content-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2rem;
}

.content-card h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--color-primary-light);
}

.content-card h3 {
  font-size: 1.15rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.content-card p, .content-card li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.content-card ul, .content-card ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  font-size: 1.1rem;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-text-main);
}

@media (max-width: 768px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-meta {
    border-left: none;
    padding-left: 0;
    align-items: center;
  }
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .feature-card:hover {
    transform: none;
  }
}