:root {
  --bg-primary: #e8f0fe;
  --bg-secondary: #dce6f4;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-solid: #ffffff;
  --text-primary: #1a2332;
  --text-secondary: #4a5568;
  --text-muted: #6b7c93;
  --accent-orange: #f0883e;
  --accent-orange-dark: #db6d28;
  --accent-cyan: #2ba89e;
  --accent-cyan-light: #39d2c0;
  --accent-blue: #4a90d9;
  --accent-blue-light: #5fa8f0;
  --border-color: rgba(255, 255, 255, 0.6);
  --border-glass: rgba(255, 255, 255, 0.8);
  --sidebar-width: 260px;
  --gradient-warm: linear-gradient(180deg, #f8a85e 0%, #f0883e 50%, #db6d28 100%);
  --gradient-cool: linear-gradient(180deg, #4fd4c6 0%, #2ba89e 50%, #1f8a7f 100%);
  --gradient-ocean: linear-gradient(180deg, #6bb3f0 0%, #4a90d9 50%, #3570b3 100%);
  --gradient-sunset: linear-gradient(180deg, #f7a072 0%, #e85d5a 100%);
  --gradient-aurora: linear-gradient(135deg, #f0883e 0%, #2ba89e 100%);
  --gradient-dusk: linear-gradient(180deg, #b088f9 0%, #7c5cbf 100%);
  --gradient-bg: linear-gradient(180deg, #d4e4fc 0%, #e8f0fe 40%, #f0f4f8 100%);
  --gradient-sky: linear-gradient(135deg, #c3d9f5 0%, #e8f4e8 50%, #dce6f4 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-glow-orange: 0 4px 20px rgba(240, 136, 62, 0.25);
  --shadow-glow-cyan: 0 4px 20px rgba(43, 168, 158, 0.2);
  --glass-blur: blur(12px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--gradient-bg);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(240, 136, 62, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(43, 168, 158, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(74, 144, 217, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

/* Sidebar Navigation */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border-color);
  padding: 2rem 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.05);
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(240, 136, 62, 0.3), rgba(43, 168, 158, 0.3), transparent);
}

.sidebar-brand {
  padding: 0 1.5rem;
  margin-bottom: 2rem;
}

.sidebar-brand h1 {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: linear-gradient(180deg, #7cc5f6 0%, #2596be 50%, #2596be 100%);
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 
    var(--shadow-sm),
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 -1px 0 rgba(0, 0, 0, 0.1) inset;
  position: relative;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.sidebar-brand h1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, transparent 100%);
  border-radius: 8px 8px 0 0;
  pointer-events: none;
}



.sidebar-brand p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}


.sidebar-nav {
  flex: 1;
  padding: 0 1rem;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(240, 136, 62, 0.1);
  color: var(--accent-orange);
  box-shadow: var(--shadow-sm);
}

.sidebar-nav a i {
  width: 18px;
  text-align: center;
  font-size: 0.95rem;
}

.sidebar-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem;
  background: var(--gradient-warm);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-glow-orange);
  position: relative;
  overflow: hidden;
}

.sidebar-footer a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
  border-radius: 10px 10px 0 0;
}

.sidebar-footer a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(240, 136, 62, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.6rem;
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.2s;
}

.menu-toggle:hover {
  background: white;
  box-shadow: var(--shadow-lg);
}

.menu-toggle i {
  font-size: 1.2rem;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 3rem;
  position: relative;
}

.hero-logo {
  max-width: 400px;
  width: 100%;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-screenshot {
  max-width: 900px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(74, 144, 217, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-screenshot.screenshot-click,
.screenshot-card img {
  cursor: pointer;
}

.hero-screenshot:hover {
  transform: scale(1.01);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(74, 144, 217, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.hero-badges img {
  height: 26px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--gradient-warm);
  color: white;
  padding: 0.9rem 2rem;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-glow-orange);
  border: 1px solid rgba(255, 255, 255, 0.25);
  overflow: hidden;
}

.download-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, transparent 100%);
  border-radius: 12px 12px 0 0;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(240, 136, 62, 0.35);
}

.download-btn i {
  position: relative;
  z-index: 1;
}

/* Section Styles */
.section {
  padding: 4.5rem 3rem;
}

.section-content {
  max-width: 1050px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section-title .glass-pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 
    var(--shadow-md),
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 0 15px rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.section-title .glass-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, transparent 100%);
  border-radius: 50px 50px 0 0;
  pointer-events: none;
}

.section-title .glass-pill:hover {
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 
    var(--shadow-lg),
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 0 20px rgba(255, 255, 255, 0.4);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  max-width: 500px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.feature-card:nth-child(1)::after { background: var(--gradient-warm); }
.feature-card:nth-child(2)::after { background: var(--gradient-cool); }
.feature-card:nth-child(3)::after { background: var(--gradient-ocean); }
.feature-card:nth-child(4)::after { background: var(--gradient-sunset); }
.feature-card:nth-child(5)::after { background: var(--gradient-aurora); }
.feature-card:nth-child(6)::after { background: var(--gradient-dusk); }
.feature-card:nth-child(7)::after { background: var(--gradient-warm); }
.feature-card:nth-child(8)::after { background: var(--gradient-cool); }

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(240, 136, 62, 0.4);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-sm);
}

.feature-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
  border-radius: 10px 10px 0 0;
}

.feature-icon i {
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.feature-card:nth-child(1) .feature-icon { background: var(--gradient-warm); color: white; }
.feature-card:nth-child(2) .feature-icon { background: var(--gradient-cool); color: white; }
.feature-card:nth-child(3) .feature-icon { background: var(--gradient-ocean); color: white; }
.feature-card:nth-child(4) .feature-icon { background: var(--gradient-sunset); color: white; }
.feature-card:nth-child(5) .feature-icon { background: var(--gradient-aurora); color: white; }
.feature-card:nth-child(6) .feature-icon { background: var(--gradient-dusk); color: white; }
.feature-card:nth-child(7) .feature-icon { background: var(--gradient-warm); color: white; }
.feature-card:nth-child(8) .feature-icon { background: var(--gradient-cool); color: white; }

.feature-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Screenshots Grid */
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.screenshot-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.screenshot-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
  border-radius: 12px 12px 0 0;
  pointer-events: none;
  z-index: 1;
}

.screenshot-card:hover {
  transform: scale(1.02);
  border-color: rgba(43, 168, 158, 0.5);
  box-shadow: var(--shadow-glow-cyan);
}

.screenshot-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.screenshot-card:hover img {
  transform: scale(1.01);
}

.screenshot-caption {
  padding: 0.85rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
  border-top: 1px solid var(--border-color);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 35, 50, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  cursor: default;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

/* Installation Section */
.install-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.install-step {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.install-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.install-step:hover {
  border-color: rgba(43, 168, 158, 0.5);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--gradient-cool);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.step-number::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
  border-radius: 50%;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.code-block {
  background: rgba(240, 244, 248, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  line-height: 1.6;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* How to Use Timeline */
.timeline {
  position: relative;
  padding-left: 48px;
  max-width: 600px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 19px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-orange) 0%, var(--accent-cyan) 100%);
  border-radius: 1px;
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  top: 0;
  left: -48px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-orange);
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.5);
}

.timeline-item:nth-child(2) .timeline-marker { border-color: #f5a623; color: #f5a623; }
.timeline-item:nth-child(3) .timeline-marker { border-color: #f0c040; color: #f0c040; }
.timeline-item:nth-child(4) .timeline-marker { border-color: #e8d85a; color: #e8d85a; }
.timeline-item:nth-child(5) .timeline-marker { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.timeline-item:nth-child(6) .timeline-marker { border-color: #2ba89e; color: #2ba89e; }
.timeline-item:nth-child(7) .timeline-marker { border-color: #4fe7da; color: #2ba89e; }

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, transparent 100%);
  border-radius: 12px 12px 0 0;
  pointer-events: none;
}

.timeline-content::after {
  content: '';
  position: absolute;
  top: 14px;
  left: -6px;
  width: 12px;
  height: 12px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-glass);
  border-left: 1px solid var(--border-glass);
  transform: rotate(-45deg);
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
  position: relative;
}

.timeline-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  position: relative;
}

/* GPU Acceleration Subsection */
.gpu-subsection {
  margin-top: 3rem;
}

.gpu-subsection-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.gpu-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.gpu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.gpu-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.25rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.gpu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  border-radius: 12px 12px 0 0;
  pointer-events: none;
}

.gpu-card:hover {
  border-color: rgba(43, 168, 158, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

.gpu-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.gpu-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: rgba(74, 144, 217, 0.12);
  color: var(--accent-blue);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
  margin-bottom: 0.6rem;
  border: 1px solid rgba(74, 144, 217, 0.2);
}

.gpu-card:nth-child(1) .gpu-badge { background: rgba(116, 185, 57, 0.12); color: #74b939; border-color: rgba(116, 185, 57, 0.2); }
.gpu-card:nth-child(2) .gpu-badge { background: rgba(116, 185, 57, 0.12); color: #74b939; border-color: rgba(116, 185, 57, 0.2); }
.gpu-card:nth-child(3) .gpu-badge { background: rgba(232, 93, 90, 0.12); color: #e85d5a; border-color: rgba(232, 93, 90, 0.2); }
.gpu-card:nth-child(4) .gpu-badge { background: rgba(88, 166, 255, 0.12); color: #58a6ff; border-color: rgba(88, 166, 255, 0.2); }
.gpu-card:nth-child(5) .gpu-badge { background: rgba(163, 113, 247, 0.12); color: #a371f7; border-color: rgba(163, 113, 247, 0.2); }
.gpu-card:nth-child(6) .gpu-badge { background: rgba(255, 255, 255, 0.12); color: var(--text-secondary); border-color: var(--border-color); }
.gpu-card:nth-child(7) .gpu-badge { background: rgba(139, 148, 158, 0.12); color: var(--text-secondary); border-color: var(--border-color); }

.gpu-description {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Help Section */
.help-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  max-width: 600px;
  position: relative;
}

.help-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.help-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-ocean);
}

.help-content {
  padding: 2rem;
  text-align: center;
}

.help-icon {
  font-size: 2rem;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.help-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.help-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  background: var(--accent-orange-light);
  border: 1px solid rgba(240, 136, 62, 0.2);
  transition: all 0.2s;
}

.help-link:hover {
  background: rgba(240, 136, 62, 0.2);
  border-color: rgba(240, 136, 62, 0.4);
  transform: translateY(-1px);
}

/* Author Info */
.author-info {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.author-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, transparent 100%);
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.author-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
  font-size: 0.9rem;
  position: relative;
}

.author-info a {
  color: var(--accent-orange);
  text-decoration: none;
  transition: color 0.2s;
}

.author-info a:hover {
  color: var(--accent-cyan);
}

.author-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  position: relative;
}

.author-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--border-color);
}

.author-link:hover {
  color: var(--accent-orange);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
}

.author-link i {
  font-size: 1rem;
}

/* Footer */
.footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
  max-width: 1050px;
}

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

.footer a:hover {
  text-decoration: underline;
  color: var(--accent-orange);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .menu-toggle {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .hero {
    padding: 5rem 1.5rem 3rem;
  }

  .hero-logo {
    max-width: 200px;
  }

  .hero-screenshot {
    max-width: 100%;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .section {
    padding: 3rem 1.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .install-steps {
    grid-template-columns: 1fr;
  }

  .usage-steps,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 40px;
  }

  .timeline-marker {
    left: -40px;
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }

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

  .footer {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-badges {
    flex-direction: column;
    align-items: center;
  }

  .download-btn {
    font-size: 0.95rem;
    padding: 0.8rem 1.5rem;
  }

  .author-links {
    flex-direction: column;
  }
}