:root {
  --bg-primary: #0a1a24;
  --bg-secondary: #0d2030;
  --bg-tertiary: #102838;
  --bg-card: #0c2230;
  --bg-card-hover: #143040;
  --text-primary: #e8f4f8;
  --text-secondary: #8ab4c4;
  --text-muted: #5a8898;
  --accent-primary: #00ffff;
  --accent-secondary: #00e5e5;
  --accent-tertiary: #00cccc;
  --accent-glow: rgba(0, 255, 255, 0.4);
  --accent-gradient: linear-gradient(135deg, #00ffff 0%, #00e5e5 50%, #00cccc 100%);
  --border-color: rgba(0, 255, 255, 0.15);
  --border-hover: rgba(0, 255, 255, 0.3);
  --success: #00ffff;
  --warning: #f5a623;
  --error: #ff6b6b;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

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

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.logo-img {
  width: 32px;
  height: 32px;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: 48px;
}

.nav-cta {
  margin-left: auto;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  background: var(--accent-gradient);
  color: #0a1a24;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-primary);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-secondary);
  bottom: -100px;
  left: 10%;
  animation-delay: -7s;
}

.glow-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-tertiary);
  top: 40%;
  left: 30%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
  max-width: 600px;
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.title-line {
  display: block;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0a1a24;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.btn-download {
  background: var(--accent-gradient);
  color: #0a1a24;
  font-weight: 700;
  width: 100%;
  padding: 16px 24px;
  font-size: 1rem;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-disabled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: not-allowed;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

.hero-visual {
  flex-shrink: 0;
}

.demo-window {
  width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: windowFloat 6s ease-in-out infinite;
}

@keyframes windowFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.demo-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-close { background: #ff5f57; }
.dot-minimize { background: #ffbd2e; }
.dot-maximize { background: #28c840; }

.demo-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.demo-content {
  padding: 40px 24px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.demo-keys {
  display: flex;
  gap: 8px;
}

.key {
  padding: 12px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.key-active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #0a1a24;
  font-weight: 600;
  box-shadow: 0 0 20px var(--accent-glow);
  animation: keyPress 1.5s ease-in-out infinite;
}

@keyframes keyPress {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(0.95); }
}

.demo-mouse {
  position: relative;
  width: 80px;
  height: 80px;
}

.mouse-pointer {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--accent-secondary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--accent-glow);
}

.mouse-trail {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent-secondary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.3;
  animation: trailPulse 2s ease-out infinite;
}

@keyframes trailPulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

.mouse-click {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: clickRipple 1s ease-out infinite;
}

.click-left {
  top: 30%;
  left: 30%;
  background: var(--success);
  animation-delay: 0s;
}

.click-right {
  top: 30%;
  right: 30%;
  background: var(--warning);
  animation-delay: 0.5s;
}

@keyframes clickRipple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(3); opacity: 0; }
}

.demo-toolbar {
  display: flex;
  gap: 8px;
  padding: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.tb-btn {
  padding: 8px 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tb-btn.active {
  background: var(--accent-primary);
  color: #0a1a24;
  font-weight: 600;
}

.features {
  padding: 120px 24px;
  background: var(--bg-secondary);
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.title-logo {
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-primary);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.showcase {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.showcase-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.showcase-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  background: var(--bg-tertiary);
}

.tab-btn {
  padding: 16px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--text-primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.showcase-panels {
  padding: 48px;
}

.panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.panel.active {
  display: grid;
}

.panel-preview {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-desktop {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.mock-keys {
  display: flex;
  gap: 8px;
}

.mock-key {
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mock-key.pressed {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #0a1a24;
  font-weight: 600;
  box-shadow: 0 0 15px var(--accent-glow);
}

.mock-mouse-area {
  width: 60px;
  height: 60px;
  position: relative;
}

.mock-cursor {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background: var(--accent-secondary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.mock-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  border: 2px solid var(--accent-secondary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: rippleExpand 1.5s ease-out infinite;
}

@keyframes rippleExpand {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(2.5); opacity: 0; }
}

.drawing-mode {
  background: transparent;
}

.mock-drawing {
  width: 100%;
  height: 100%;
}

.mock-screenshot {
  width: 100%;
  height: 200px;
  position: relative;
}

.ss-selection {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 60px;
  bottom: 60px;
  border: 2px dashed var(--accent-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 8px;
}

.ss-dimension {
  background: var(--accent-primary);
  color: #0a1a24;
  font-weight: 600;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.ss-toolbar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.ss-tool {
  padding: 6px 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.ss-tool.save {
  background: var(--accent-primary);
  color: #0a1a24;
  font-weight: 600;
}

.mock-record {
  width: 100%;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.rec-area {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
}

.rec-indicator {
  width: 12px;
  height: 12px;
  background: var(--error);
  border-radius: 50%;
  animation: recBlink 1s ease-in-out infinite;
}

@keyframes recBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.rec-time {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--error);
}

.rec-controls {
  display: flex;
  gap: 12px;
}

.rec-btn {
  padding: 8px 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.mock-reference {
  width: 100%;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.ref-image {
  width: 160px;
  height: 120px;
  background: var(--bg-tertiary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ref-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.ref-placeholder svg {
  width: 40px;
  height: 40px;
  opacity: 0.5;
}

.ref-placeholder span {
  font-size: 0.75rem;
}

.ref-controls {
  display: flex;
  gap: 12px;
}

.ref-btn {
  padding: 8px 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.panel-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.panel-info p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.panel-info ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel-info li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 24px;
  position: relative;
}

.panel-info li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 600;
}

.download {
  padding: 120px 24px;
  background: var(--bg-secondary);
  position: relative;
}

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

.download-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.download-info .section-tag {
  margin-bottom: 16px;
}

.download-info .section-title {
  text-align: left;
  justify-content: flex-start;
  margin-bottom: 16px;
}

.download-info .section-desc {
  text-align: left;
  margin-bottom: 32px;
}

.download-requirements {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.download-requirements h4 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.download-requirements ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.download-requirements li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.download-requirements li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 600px;
  margin-left: auto;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: all var(--transition-normal);
}

.download-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.download-card.primary {
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(0, 229, 229, 0.05) 100%);
  border-color: rgba(0, 255, 255, 0.3);
}

.download-card.coming-soon {
  opacity: 0.7;
}

.download-card.coming-soon .card-icon svg {
  fill: var(--text-muted);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg {
  width: 40px;
  height: 40px;
  fill: var(--accent-primary);
}

.download-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.download-card .version {
  font-size: 0.9rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.download-card .size {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.download-card .btn {
  margin-bottom: 12px;
}

.download-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.docs {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
}

.doc-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.doc-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.doc-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.doc-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
}

.footer-left {
  flex-shrink: 0;
}

.footer-logo-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 32px;
}

.footer-logo-img {
  width: 115px;
  height: 115px;
  flex-shrink: 0;
  margin-bottom: -60px;
}

.footer-text-group {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 80px;
}

.footer-slogan {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1;
  padding-top: 42px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1;
  margin-bottom: -42px;
}

.footer-right {
  display: flex;
  gap: 280px;
  align-items: flex-start;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.contact {
  padding: 120px 24px;
  background: var(--bg-secondary);
  position: relative;
}

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

.contact-qrcodes {
  display: flex;
  justify-content: center;
  gap: 120px;
  margin-top: 48px;
}

.contact-qrcode-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact-qrcode-item img {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  background: white;
  padding: 12px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.contact-qrcode-item img:hover {
  transform: scale(1.05);
}

.contact-qrcode-item span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.footer-qrcodes {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.qrcode-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.qrcode-item img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  background: white;
  padding: 6px;
}

.qrcode-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .contact-qrcodes {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
}

@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
  
  .hero-wrapper {
    justify-content: center;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .panel {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .download-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .download-info .section-title,
  .download-info .section-desc {
    text-align: center;
  }
  
  .docs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    flex-direction: column;
    gap: 48px;
    align-items: center;
  }
  
  .footer-right {
    gap: 60px;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    padding: 100px 20px 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .showcase-tabs {
    overflow-x: auto;
    padding: 0 16px;
  }
  
  .tab-btn {
    padding: 12px 16px;
    font-size: 0.8rem;
    white-space: nowrap;
  }
  
  .showcase-panels {
    padding: 24px;
  }
  
  .download-cards {
    grid-template-columns: 1fr;
  }
  
  .docs-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .btn {
    width: 100%;
  }
}