:root {
  --bg-base: #0f1025;
  --bg-surface: #13142a;
  --bg-elevated: #191a34;
  --bg-deep: #0b0c1f;
  --bg-card: #16172f;

  --text-primary: #e8eaff;
  --text-secondary: #9498c8;
  --text-muted: #5a5e8a;
  --text-inverse: #0f1025;

  --accent: #7c6fff;
  --accent-glow: #a89cff;
  --accent-deep: #5a4fd1;
  --accent-subtle: rgba(124,111,255,0.1);
  --accent-gradient: linear-gradient(135deg, #7c6fff 0%, #5a4fd1 50%, #8b7dff 100%);

  --success: #9ece6a;
  --success-glow: rgba(158,230,106,0.12);
  --warning: #e0af68;
  --warning-glow: rgba(224,175,104,0.12);
  --danger: #f7768e;
  --danger-glow: rgba(247,118,142,0.12);
  --info: #7dcfff;
  --info-glow: rgba(125,207,255,0.12);

  --border: rgba(255,255,255,0.04);
  --border-hover: rgba(124,111,255,0.2);
  --border-accent: rgba(124,111,255,0.15);

  --shadow-xxl: 25px 25px 60px rgba(0,0,0,0.6), -15px -15px 40px rgba(255,255,255,0.015);
  --shadow-xl: 15px 15px 35px rgba(0,0,0,0.5), -10px -10px 25px rgba(255,255,255,0.012);
  --shadow-lg: 10px 10px 20px rgba(0,0,0,0.4), -8px -8px 18px rgba(255,255,255,0.01);
  --shadow-md: 6px 6px 12px rgba(0,0,0,0.35), -5px -5px 10px rgba(255,255,255,0.01);
  --shadow-sm: 4px 4px 8px rgba(0,0,0,0.3), -3px -3px 6px rgba(255,255,255,0.008);

  --shadow-inner-lg: inset 6px 6px 14px rgba(0,0,0,0.5), inset -6px -6px 14px rgba(255,255,255,0.015);
  --shadow-inner-md: inset 4px 4px 10px rgba(0,0,0,0.4), inset -4px -4px 10px rgba(255,255,255,0.012);
  --shadow-inner-sm: inset 3px 3px 6px rgba(0,0,0,0.35), inset -3px -3px 6px rgba(255,255,255,0.01);

  --shadow-glow-accent: 0 0 30px rgba(124,111,255,0.15), 0 0 60px rgba(124,111,255,0.05);
  --shadow-glow-success: 0 0 30px rgba(158,230,106,0.1);
  --shadow-glow-danger: 0 0 30px rgba(247,118,142,0.1);

  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --radius-full: 9999px;

  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --max-width: 1200px;
  --max-width-narrow: 800px;
  --nav-height: 80px;

  --z-nav: 1000;
  --z-modal: 2000;
  --z-dropdown: 1500;
  --z-progress: 9999;
  --z-orb: -1;
  --z-particle: 0;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-deep);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-glow); }

::selection { background: rgba(124,111,255,0.3); color: var(--text-primary); }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* -- Scroll Progress Bar -- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--accent-gradient);
  z-index: var(--z-progress);
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 20px rgba(124,111,255,0.4);
}

/* -- Background Orbs & Particles -- */
.orb-container { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: var(--z-orb); }
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orbFloat 20s ease-in-out infinite;
}
.bg-orb-1 { width: 600px; height: 600px; background: var(--accent); top: -10%; right: -10%; animation-delay: 0s; }
.bg-orb-2 { width: 500px; height: 500px; background: var(--info); bottom: -10%; left: -10%; animation-delay: -7s; opacity: 0.08; }
.bg-orb-3 { width: 400px; height: 400px; background: var(--success); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -14s; opacity: 0.05; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.particles { position: fixed; inset: 0; pointer-events: none; z-index: var(--z-particle); }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--accent-glow);
  border-radius: 50%;
  opacity: 0.3;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* -- Neumorphism Primitives -- */
.neu-raised {
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.neu-raised:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--border-hover);
}
.neu-pressed {
  background: var(--bg-base);
  box-shadow: var(--shadow-inner-md);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.glass-card {
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* -- Buttons -- */
.neu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}
.neu-btn:active {
  transform: scale(0.97);
}
.neu-btn-primary {
  background: var(--bg-base);
  color: var(--accent-glow);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(124,111,255,0.2);
}
.neu-btn-primary:hover {
  box-shadow: var(--shadow-lg), 0 0 20px rgba(124,111,255,0.2);
  transform: translateY(-2px);
  color: var(--accent-glow);
}
.neu-btn-accent {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-md), 0 4px 24px rgba(124,111,255,0.35);
}
.neu-btn-accent::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.neu-btn-accent:hover::after { opacity: 1; }
.neu-btn-accent:hover {
  box-shadow: var(--shadow-lg), 0 6px 30px rgba(124,111,255,0.5);
  transform: translateY(-2px);
}
.neu-btn-secondary {
  background: var(--bg-base);
  color: var(--text-secondary);
  box-shadow: var(--shadow-md);
}
.neu-btn-secondary:hover {
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.neu-btn-outline {
  background: transparent;
  color: var(--accent-glow);
  box-shadow: none;
  border: 1px solid var(--border-accent);
}
.neu-btn-outline:hover {
  background: var(--accent-subtle);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(124,111,255,0.15);
  transform: translateY(-2px);
}
.neu-btn-glow {
  animation: btnPulse 2s ease-in-out infinite;
}
.neu-btn-glow:hover {
  animation: none;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: var(--shadow-md), 0 4px 24px rgba(124,111,255,0.35); }
  50% { box-shadow: var(--shadow-lg), 0 8px 40px rgba(124,111,255,0.5); }
}
.neu-btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}
.neu-btn-lg {
  padding: 18px 40px;
  font-size: 16px;
}
.neu-btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

/* -- Layout -- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}
.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}
section {
  padding: 120px 0;
  position: relative;
}
section.section-sm {
  padding: 80px 0;
}

/* -- Typography -- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
h1 { font-size: clamp(36px, 5vw, 72px); font-weight: 800; letter-spacing: -2px; }
h2 { font-size: clamp(28px, 4vw, 56px); font-weight: 800; letter-spacing: -1.5px; }
h3 { font-size: clamp(20px, 2.5vw, 32px); font-weight: 700; letter-spacing: -0.5px; }
h4 { font-size: clamp(17px, 1.5vw, 20px); font-weight: 600; letter-spacing: -0.3px; }
p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.75;
}

/* -- Navigation -- */
.nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-nav);
  width: calc(100% - 64px);
  max-width: var(--max-width);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15,16,37,0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(15,16,37,0.96);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-xl);
}
.nav-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  transition: width 0.1s linear;
  width: 0%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-decoration: none;
  transition: var(--transition);
}
.nav-logo:hover {
  transform: translateY(-1px);
}
.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: var(--shadow-md), 0 0 16px rgba(124,111,255,0.2);
  transition: var(--transition);
}
.nav-logo:hover .logo-icon {
  box-shadow: var(--shadow-lg), 0 0 24px rgba(124,111,255,0.3);
}
.nav-logo .logo-text span {
  background: linear-gradient(135deg, var(--accent-glow) 0%, #b8a9ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: var(--shadow-md), 0 4px 16px rgba(124,111,255,0.25);
  transition: var(--transition);
}
.nav-cta:hover {
  box-shadow: var(--shadow-lg), 0 6px 24px rgba(124,111,255,0.35);
  transform: translateY(-2px);
  color: #fff;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  min-width: 40px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-links.nav-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  right: 0;
  background: rgba(15,16,37,0.98);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  gap: 4px;
  box-shadow: var(--shadow-xl);
  z-index: 999;
}
.nav-links.nav-open a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links.nav-open a:hover,
.nav-links.nav-open a.active {
  background: rgba(124,111,255,0.1);
  color: var(--accent-glow);
}

/* -- Hero -- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(124,111,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(38px, 5.5vw, 80px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -2.5px;
  margin-bottom: 24px;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent) 50%, #b8a9ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-description {
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-platforms {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.platform-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}
.platform-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: default;
}
.platform-badge:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--accent-subtle);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-accent);
}
.platform-badge i {
  font-size: 16px;
  color: var(--accent-glow);
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
}
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-indicator i {
  font-size: 20px;
  color: var(--accent-glow);
}

/* -- Code Window -- */
.code-window {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}
.code-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,111,255,0.3), transparent);
}
.code-window-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 22px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.window-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f57; box-shadow: 0 0 8px rgba(255,95,87,0.3); }
.dot-yellow { background: #febc2e; box-shadow: 0 0 8px rgba(254,188,46,0.3); }
.dot-green { background: #28c840; box-shadow: 0 0 8px rgba(40,200,64,0.3); }
.code-window-title {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 14px;
  font-family: var(--font-mono);
  font-weight: 500;
}
.code-window-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: clamp(11px, 1vw, 13px);
  line-height: 2;
  overflow-x: auto;
  transition: box-shadow var(--transition);
}
.code-window-body .line {
  display: block;
  white-space: pre;
}
.code-window:hover .code-window-body { box-shadow: inset 0 0 60px rgba(124,111,255,0.03); }
.c-comment { color: var(--text-muted); font-style: italic; }
.c-keyword { color: var(--accent-glow); font-weight: 500; }
.c-string { color: var(--success); }
.c-number { color: var(--warning); }
.c-func { color: #7dcfff; }
.c-type { color: var(--info); }
.c-const { color: var(--warning); }
.c-highlight {
  background: rgba(124,111,255,0.2);
  color: var(--accent-glow);
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: 600;
}
.c-fix { color: var(--success); }

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}
.typing-line {
  overflow: hidden;
  white-space: nowrap;
  animation: typing 0.8s steps(40, end) forwards;
  width: 0;
  display: inline-block;
}
.typing-line-1 { animation-delay: 0.3s; animation-duration: 0.6s; }
.typing-line-2 { animation-delay: 1s; animation-duration: 0.8s; }
.typing-line-3 { animation-delay: 1.9s; animation-duration: 0.7s; }
.typing-line-4 { animation-delay: 2.7s; animation-duration: 0.9s; }
.typing-line-5 { animation-delay: 3.7s; animation-duration: 0.5s; }
.code-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent-glow);
  margin-left: 2px;
  animation: cursorBlink 0.8s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* -- Stats Section -- */
.stats-section {
  padding: 60px 0 100px;
  position: relative;
}
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-item {
  text-align: center;
  padding: 32px 20px;
  position: relative;
  overflow: hidden;
}
.stat-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0.3;
  transition: opacity var(--transition);
}
.stat-item:hover::before { opacity: 0.8; }
.stat-icon {
  font-size: 28px;
  color: var(--accent-glow);
  margin-bottom: 12px;
}
.stat-value {
  font-size: clamp(36px, 3.5vw, 48px);
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}
.stat-suffix {
  font-size: 0.6em;
  background: none;
  -webkit-text-fill-color: var(--accent-glow);
}

/* -- Section Headers -- */
.section-header {
  text-align: center;
  margin-bottom: 80px;
}
.section-title {
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.08;
  margin-bottom: 20px;
}
.section-title .gradient-text-accent {
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 44px;
  line-height: 1.7;
}
.gradient-text-accent {
  background: linear-gradient(135deg, var(--accent-glow) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* -- Section Dividers -- */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
  margin: 0;
  border: none;
  opacity: 0.5;
}

/* -- Cards -- */
.card-icon {
  width: clamp(44px, 4vw, 52px);
  height: clamp(44px, 4vw, 52px);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: clamp(22px, 2vw, 26px);
  transition: var(--transition);
}
.neu-raised:hover .card-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow-accent);
}
.icon-accent {
  background: var(--bg-base);
  color: var(--accent-glow);
  box-shadow: var(--shadow-inner-sm);
}
.icon-success {
  background: var(--bg-base);
  color: var(--success);
  box-shadow: var(--shadow-inner-sm);
}
.icon-warning {
  background: var(--bg-base);
  color: var(--warning);
  box-shadow: var(--shadow-inner-sm);
}
.icon-danger {
  background: var(--bg-base);
  color: var(--danger);
  box-shadow: var(--shadow-inner-sm);
}

/* -- Feature Cards Grid -- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: clamp(28px, 3vw, 40px) clamp(22px, 3vw, 32px);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(124,111,255,0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.feature-card:hover::after {
  opacity: 1;
}
.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-xl), var(--shadow-glow-accent);
}
.feature-card h3 {
  font-size: clamp(17px, 1.3vw, 19px);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.feature-card p {
  font-size: clamp(13.5px, 1vw, 14.5px);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* -- Agents Grid -- */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.agent-card {
  padding: clamp(16px, 1.5vw, 20px) clamp(18px, 1.5vw, 22px);
  display: flex;
  align-items: center;
  gap: 14px;
}
.agent-icon {
  width: clamp(36px, 3vw, 40px);
  height: clamp(36px, 3vw, 40px);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(18px, 1.5vw, 20px);
  flex-shrink: 0;
  transition: var(--transition);
}
.agent-card:hover .agent-icon {
  transform: scale(1.15) rotate(5deg);
}
.agent-info strong {
  display: block;
  font-weight: 600;
  font-size: clamp(13.5px, 1vw, 14.5px);
  letter-spacing: -0.2px;
}
.agent-info span {
  font-size: clamp(11.5px, 0.9vw, 12.5px);
  color: var(--text-muted);
  line-height: 1.4;
}

/* -- Install Section -- */
.install-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.install-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Featured card (full width) ── */
.install-card-featured {
  position: relative;
  overflow: visible;
}
.install-card-featured::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 50%, var(--info) 100%);
  z-index: -1;
  opacity: 0.5;
  animation: cardBorderGlow 3s ease-in-out infinite alternate;
}
@keyframes cardBorderGlow {
  0% { opacity: 0.3; }
  100% { opacity: 0.7; }
}

.install-badge {
  position: absolute;
  top: -1px;
  right: 28px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 18px;
  border-radius: 0 0 12px 12px;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(124,111,255,0.35);
}

/* ── Card body (shared) ── */
.install-card {
  padding: clamp(20px, 2.5vw, 28px) clamp(22px, 3vw, 32px);
  transition: var(--transition);
}
.install-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-xl);
}
.install-card-body {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.install-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: var(--bg-base);
  color: var(--accent-glow);
  box-shadow: var(--shadow-inner-sm);
  transition: var(--transition);
}
.install-card:hover .install-card-icon {
  transform: scale(1.1);
}
.install-card-icon.icon-macos { color: var(--text-primary); }
.install-card-icon.icon-win { color: var(--info); }
.install-card-icon i + i { margin-left: -4px; }

.install-card-content {
  flex: 1;
  min-width: 0;
}
.install-card-title {
  font-size: clamp(16px, 1.3vw, 18px);
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}
.install-card-desc {
  font-size: clamp(13px, 1vw, 14px);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.install-card-desc strong {
  color: var(--accent-glow);
}

/* ── Code block inside cards ── */
.install-code-block {
  position: relative;
  background: var(--bg-deep);
  border-radius: var(--radius-sm);
  padding: 14px clamp(14px, 2vw, 20px);
  padding-left: 32px;
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.85vw, 13px);
  line-height: 1.7;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  word-break: break-all;
  white-space: pre-wrap;
}
.install-code-prompt {
  position: absolute;
  left: 12px;
  top: 14px;
  color: var(--success);
  font-weight: 600;
  user-select: none;
}

/* ── Card meta ── */
.install-card-meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.install-card-meta code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-glow);
  background: var(--accent-subtle);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── Secondary cards (side by side) ── */
.install-subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ── Copy button ── */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-base);
  color: var(--text-muted);
  box-shadow: var(--shadow-inner-sm);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  border: none;
  white-space: nowrap;
}
.copy-btn:hover {
  color: var(--accent-glow);
  background: var(--accent-subtle);
}
.copy-btn.copied {
  color: var(--success);
  background: var(--success-glow);
}
.copy-btn .copy-text {
  font-size: 11px;
}

.install-features {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 36px);
  margin-top: 28px;
  flex-wrap: wrap;
}
.install-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.install-feature i {
  color: var(--success);
  font-size: 18px;
}
.install-footnote {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

/* -- CTA Section -- */
.cta-section {
  text-align: center;
  padding: clamp(100px, 12vw, 160px) 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,111,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}
.cta-section h2 {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -2.5px;
  margin-bottom: 24px;
  line-height: 1.05;
}
.cta-section p {
  font-size: clamp(16px, 1.2vw, 18px);
  color: var(--text-secondary);
  margin-bottom: 44px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* -- Footer -- */
.footer {
  text-align: center;
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}
.footer-brand {
  font-weight: 700;
  font-size: clamp(17px, 1.3vw, 18px);
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.footer-brand .accent {
  color: var(--accent-glow);
}
.footer-text {
  font-size: clamp(13px, 1vw, 14px);
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2vw, 28px);
  margin-top: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: clamp(13px, 1vw, 14px);
  font-weight: 500;
  padding: 8px 4px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent-glow);
  transform: translateY(-2px);
}
.footer-links i {
  font-size: clamp(16px, 1.3vw, 18px);
}
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: clamp(12px, 0.9vw, 13px);
  color: var(--text-muted);
}

/* -- Page Hero (inner pages) -- */
.page-hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
  text-align: center;
  position: relative;
}
.page-hero h1 {
  font-size: clamp(30px, 4.5vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 20px;
}
.page-hero p {
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* -- Content Sections -- */
.content-section {
  padding: clamp(48px, 6vw, 80px) 0;
}
.content-narrow {
  max-width: 720px;
  margin: 0 auto;
}
.content-narrow p {
  font-size: clamp(14.5px, 1vw, 16px);
  line-height: 1.8;
  margin-bottom: 20px;
}
.content-narrow h2 {
  font-size: clamp(24px, 2vw, 28px);
  margin-bottom: 16px;
  margin-top: 48px;
}
.content-narrow h3 {
  font-size: clamp(20px, 1.5vw, 22px);
  margin-bottom: 12px;
  margin-top: 32px;
}
.content-narrow ul, .content-narrow ol {
  margin: 20px 0 20px 24px;
  color: var(--text-secondary);
}
.content-narrow li {
  margin-bottom: 10px;
  line-height: 1.7;
}
.content-narrow a {
  color: var(--accent-glow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.content-narrow a:hover {
  border-bottom-color: var(--accent-glow);
}

/* -- Animations -- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-90deg) scale(0.5); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}

.anim-fade-up {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
}
.anim-fade {
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}
.anim-slide-left {
  opacity: 0;
  animation: slideInLeft 0.8s ease-out forwards;
}
.anim-slide-right {
  opacity: 0;
  animation: slideInRight 0.8s ease-out forwards;
}
.anim-scale-in {
  opacity: 0;
  animation: scaleIn 0.5s ease-out forwards;
}
.anim-rotate-in {
  opacity: 0;
  animation: rotateIn 0.6s ease-out forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-1-5 { animation-delay: 0.15s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }
.delay-9 { animation-delay: 0.9s; }

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* -- Accessibility -- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
}
.skip-link:focus {
  top: 16px;
}

/* -- RESPONSIVE -- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .agents-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .container-narrow { padding: 0 20px; }
  section { padding: 64px 0; }
  .hero { min-height: auto; padding-top: calc(var(--nav-height) + 32px); padding-bottom: 40px; }
  .hero h1 { letter-spacing: -1.5px; margin-bottom: 20px; }
  .hero-description { margin-bottom: 32px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .neu-btn { width: 100%; justify-content: center; }
  .neu-btn { width: 100%; justify-content: center; }
  .neu-btn-lg { padding: 16px 32px; font-size: 15px; }
  .nav { position: relative; top: auto; left: auto; transform: none; width: 100%; max-width: none; border-radius: var(--radius); margin-bottom: 0; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.nav-open { display: flex; }
  .hero-platforms { flex-direction: column; align-items: flex-start; }
  .platform-badges { width: 100%; }
  .hero-visual { max-width: 100%; }
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .agents-grid { grid-template-columns: 1fr; gap: 12px; }
  .install-subgrid { grid-template-columns: 1fr; gap: 16px; }
  .install-card { padding: 24px 20px; }
  .install-wrapper { max-width: 100%; }
  .install-badge { right: 16px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 60px; padding-top: 32px; }
  .stat-value { font-size: 36px; }
  .stat-item { padding: 16px 12px; }
  .cta-section { padding: 80px 0; }
  .section-header { margin-bottom: 40px; }
  .install-code-block { font-size: 11px; padding: 12px 14px; padding-left: 28px; }
  .install-code-prompt { left: 10px; top: 12px; }
  .copy-btn { top: 8px; right: 8px; padding: 4px 10px; font-size: 11px; }
  .footer-links { gap: 12px; }
  .footer-links a { padding: 6px 4px; }
  .page-hero { padding-top: calc(var(--nav-height) + 40px); padding-bottom: 48px; }
  .scroll-indicator { display: none; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .container-narrow { padding: 0 16px; }
  section { padding: 48px 0; }
  .hero h1 { font-size: 34px; letter-spacing: -1px; }
  .hero-description { font-size: 15px; }
  .section-title { font-size: 28px; letter-spacing: -1px; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 4px; }
  .stat-value { font-size: 28px; }
  .stat-item { padding: 12px 8px; }
  .feature-card, .card { padding: 24px 18px; }
  .code-window-body { font-size: 10px; padding: 12px; }
  .code-window-header { padding: 12px 16px; }
  .code-block { font-size: 10px; padding: 10px 12px; padding-top: 36px; }
  .code-label { top: 8px; left: 12px; font-size: 8px; }
  .copy-btn { top: 6px; right: 6px; padding: 3px 8px; font-size: 10px; }
  .page-hero { padding-top: 32px; padding-bottom: 32px; }
  .footer-links { gap: 8px; }
  .footer-links a { font-size: 12px; padding: 4px; }
  .content-section { padding: 32px 0; }
  .platform-badges { flex-direction: column; }
  .platform-badge { width: 100%; justify-content: center; }
}