:root {
  --bg: #070a13;
  --panel: rgba(13, 20, 35, 0.65);
  --panel-hover: rgba(18, 28, 48, 0.8);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #06b6d4;        /* Cyan Glow */
  --accent-purple: #a855f7; /* Purple Glow */
  --accent-coral: #fb7185;  /* Coral Accent */
  --line: rgba(255, 255, 255, 0.08);
  --line-active: rgba(6, 182, 212, 0.25);
  --shadow: rgba(0, 0, 0, 0.45);
  --cursor-x: 50vw;
  --cursor-y: 50vh;
  --drift-x: 0;
  --drift-y: 0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle 600px at var(--cursor-x) var(--cursor-y), rgba(168, 85, 247, 0.12), transparent 80%),
    radial-gradient(circle 500px at calc(100vw - var(--cursor-x)) calc(100vh - var(--cursor-y)), rgba(6, 182, 212, 0.10), transparent 80%),
    linear-gradient(135deg, #090e1a 0%, #04060b 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  position: relative;
}

/* Typography styles matching Outfit & Inter */
h1, h2, h3 {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

/* Background Stars Parallax Layers */
.stars-layer-1, .stars-layer-2 {
  position: fixed;
  inset: -100px;
  pointer-events: none;
  z-index: 0;
}

.stars-layer-1 {
  background-image:
    radial-gradient(circle at 12% 18%, #ffffff 1px, transparent 1.5px),
    radial-gradient(circle at 82% 14%, rgba(6, 182, 212, 0.7) 1.2px, transparent 2px),
    radial-gradient(circle at 45% 72%, rgba(168, 85, 247, 0.7) 1px, transparent 1.5px),
    radial-gradient(circle at 74% 78%, #ffffff 1.2px, transparent 2px),
    radial-gradient(circle at 22% 43%, rgba(251, 113, 133, 0.7) 1px, transparent 1.5px),
    radial-gradient(circle at 91% 48%, #ffffff 1px, transparent 1.5px),
    radial-gradient(circle at 14% 82%, rgba(6, 182, 212, 0.7) 1px, transparent 1.5px);
  opacity: 0.65;
  transform: translate(calc(var(--drift-x) * 15px), calc(var(--drift-y) * 15px));
  transition: transform 0.1s ease-out;
}

.stars-layer-2 {
  background-image:
    radial-gradient(circle at 32% 28%, rgba(6, 182, 212, 0.6) 1px, transparent 1.5px),
    radial-gradient(circle at 68% 22%, #ffffff 1px, transparent 1.5px),
    radial-gradient(circle at 28% 58%, rgba(251, 113, 133, 0.6) 1.2px, transparent 2px),
    radial-gradient(circle at 87% 82%, rgba(168, 85, 247, 0.6) 1px, transparent 1.5px),
    radial-gradient(circle at 52% 48%, #ffffff 1.2px, transparent 2px);
  opacity: 0.5;
  transform: translate(calc(var(--drift-x) * -25px), calc(var(--drift-y) * -25px));
  transition: transform 0.1s ease-out;
}

.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.04) 0%, rgba(168, 85, 247, 0.02) 50%, transparent 100%);
  border-radius: 50%;
  top: 0;
  left: 0;
  transform: translate(calc(var(--cursor-x) - 300px), calc(var(--cursor-y) - 300px));
  pointer-events: none;
  z-index: 0;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(7, 10, 19, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  transition: border-color 0.3s;
}

.navbar:hover {
  border-color: var(--line-active);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.logo-orb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--accent), var(--accent-purple));
  box-shadow: 0 0 10px var(--accent);
  animation: logo-pulsate 3s ease-in-out infinite alternate;
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: #ffffff;
  letter-spacing: -0.5px;
}

/* Hero Section */
.hero-section {
  position: relative;
  z-index: 1;
  padding: 80px 24px 60px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.2);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: float-badge 4s ease-in-out infinite;
}

h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.1;
  font-weight: 800;
  color: #ffffff;
  max-width: 16ch;
}

.glow-text {
  background: linear-gradient(135deg, var(--accent) 30%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(6, 182, 212, 0.3));
}

.subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.6;
}

/* Action Buttons */
.cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 10px;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 30px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0891b2 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(6, 182, 212, 0.45);
  background: linear-gradient(135deg, #0891b2 0%, var(--accent) 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.chrome-icon {
  animation: spin-icon 12s linear infinite;
}

/* Interactive Preview Mockup */
.interactive-preview {
  width: 100%;
  max-width: 800px;
  margin-top: 30px;
}

.mockup-window {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 26, 0.85);
  box-shadow: 
    0 30px 100px var(--shadow),
    0 0 40px rgba(168, 85, 247, 0.08);
  overflow: hidden;
  transition: border-color 0.4s;
}

.mockup-window:hover {
  border-color: rgba(6, 182, 212, 0.3);
}

.mockup-header {
  background: rgba(4, 6, 11, 0.9);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.mockup-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-header .dot.red { background-color: #ef4444; }
.mockup-header .dot.yellow { background-color: #f59e0b; }
.mockup-header .dot.green { background-color: #10b981; }

.address-bar {
  flex: 1;
  max-width: 500px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 4px 16px;
  font-family: monospace;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  user-select: none;
}

.mockup-content {
  padding: 48px 24px;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.blocked-screen-preview {
  text-align: center;
  max-width: 480px;
  z-index: 10;
}

.preview-badge {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.08);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.15);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blocked-screen-preview h2 {
  font-size: clamp(22px, 4vw, 32px);
  color: #ffffff;
  margin: 16px 0 8px;
}

.preview-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Cosmic breathing element replicates the extension block screen */
.cosmic-container {
  position: relative;
  width: 230px;
  height: 230px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cosmic-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.outer-orbit {
  width: 220px;
  height: 220px;
  transform: translate(-50%, -50%);
  animation: rotate-clockwise 20s linear infinite;
}

.inner-orbit {
  width: 170px;
  height: 170px;
  transform: translate(-50%, -50%);
  animation: rotate-counter-clockwise 15s linear infinite;
}

.comet {
  position: absolute;
  border-radius: 50%;
}

.comet-cyan {
  top: 0;
  left: 50%;
  width: 7px;
  height: 7px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px var(--accent), 0 0 16px var(--accent);
}

.comet-purple {
  bottom: 0;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--accent-purple);
  transform: translate(-50%, 50%);
  box-shadow: 0 0 6px var(--accent-purple), 0 0 12px var(--accent-purple);
}

.cosmic-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

.ripple-1 {
  animation: ripple 6s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

.ripple-2 {
  animation: ripple 6s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  animation-delay: 2s;
}

.ripple-3 {
  animation: ripple 6s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  animation-delay: 4s;
}

.cosmic-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: breathe-orb 8s ease-in-out infinite;
  z-index: 2;
}

.countdown {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.countdown span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.countdown strong {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
  font-size: 20px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.breathing-guide {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  height: 18px;
  width: 180px;
  text-align: center;
}

.breath-in, .breath-out {
  position: absolute;
  left: 0;
  right: 0;
  text-align: center;
}

.breath-in {
  color: var(--accent);
  animation: fade-in-out 8s ease-in-out infinite;
}

.breath-out {
  color: var(--accent-purple);
  animation: fade-out-in 8s ease-in-out infinite;
}

/* Features Grid Section */
.features-section {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  border-top: 1px solid var(--line);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.features-section h2 {
  font-size: clamp(28px, 4vw, 44px);
  color: #ffffff;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 48px;
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 12px;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 32px 24px;
  border-radius: 14px;
  text-align: left;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--panel-hover);
  border-color: rgba(6, 182, 212, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, transparent);
  transition: background 0.3s;
}

.feature-card:hover::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-purple));
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 18px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.feature-icon.cyan { background: rgba(6, 182, 212, 0.1); color: var(--accent); }
.feature-icon.purple { background: rgba(168, 85, 247, 0.1); color: var(--accent-purple); }
.feature-icon.coral { background: rgba(251, 113, 133, 0.1); color: var(--accent-coral); }
.feature-icon.green { background: rgba(16, 185, 129, 0.1); color: #10b981; }

.feature-card h3 {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* Footer Section */
.footer {
  position: relative;
  z-index: 1;
  padding: 40px 24px;
  border-top: 1px solid var(--line);
  text-align: center;
}

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

.footer p {
  font-size: 13px;
  color: var(--muted);
}

/* Animation Keyframes */
@keyframes logo-pulsate {
  from {
    transform: scale(0.95);
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
  }
  to {
    transform: scale(1.1);
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.8);
  }
}

@keyframes float-badge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@keyframes rotate-clockwise {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotate-counter-clockwise {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes breathe-orb {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.94);
    box-shadow: 
      inset 0 0 15px rgba(255, 255, 255, 0.05),
      0 0 20px rgba(6, 182, 212, 0.2),
      0 0 45px rgba(6, 182, 212, 0.08);
    background: radial-gradient(circle at center, rgba(6, 182, 212, 0.15) 0%, rgba(168, 85, 247, 0.08) 100%);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.06);
    box-shadow: 
      inset 0 0 22px rgba(255, 255, 255, 0.08),
      0 0 35px rgba(168, 85, 247, 0.3),
      0 0 70px rgba(168, 85, 247, 0.15);
    background: radial-gradient(circle at center, rgba(168, 85, 247, 0.15) 0%, rgba(6, 182, 212, 0.08) 100%);
  }
}

@keyframes fade-in-out {
  0%, 40%, 100% { opacity: 1; transform: scale(1.03); }
  50%, 90% { opacity: 0; transform: scale(0.97); }
}

@keyframes fade-out-in {
  0%, 40%, 100% { opacity: 0; transform: scale(0.97); }
  50%, 90% { opacity: 1; transform: scale(1.03); }
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
    border-color: var(--accent);
  }
  15% { opacity: 0.35; }
  100% {
    transform: translate(-50%, -50%) scale(2.0);
    opacity: 0;
    box-shadow: 0 0 25px rgba(168, 85, 247, 0);
    border-color: var(--accent-purple);
  }
}

@keyframes spin-icon {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-section {
    padding: 60px 16px 40px;
  }
  .navbar .btn-secondary {
    display: none;
  }
  .mockup-content {
    min-height: 420px;
    padding: 30px 12px;
  }
  .features-section {
    padding: 60px 16px;
  }
}