:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --text-primary: #f5f5f7;
  --text-secondary: #8a8a9a;
  --text-muted: #5a5a6a;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --accent-secondary: #4ecdc4;
  --border: rgba(255, 255, 255, 0.06);
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

/* CTA Button */
.cta-btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: opacity 0.15s, transform 0.15s;
}
.cta-btn:hover { opacity: 0.88; transform: translateY(-1px); }

.hero-cta { margin-bottom: 32px; }

/* Hero Section */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 580px;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  width: fit-content;
}

.hero-headline {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 480px;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.task-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.task-status.active {
  background: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}

.task-status.done {
  background: var(--accent-secondary);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-decoration {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: 20%;
  right: 10%;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(78, 205, 196, 0.1) 0%, transparent 70%);
  bottom: 30%;
  right: 30%;
}

/* Features Section */
.features {
  padding: 100px 60px;
  background: var(--bg-secondary);
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.features h2 {
  font-size: clamp(32px, 4vw, 48px);
  max-width: 600px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 107, 53, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 12px;
  margin-bottom: 24px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Differentiator Section */
.differentiator {
  padding: 100px 60px;
}

.diff-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.differentiator h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  margin-bottom: 24px;
}

.diff-text {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.diff-comparison {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.compare-item {
  padding: 24px;
  border-radius: 12px;
  text-align: left;
}

.compare-item.old {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.compare-item.new {
  background: var(--accent-glow);
  border: 1px solid var(--accent);
}

.compare-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.compare-item.new .compare-label {
  color: var(--accent);
}

.compare-desc {
  font-size: 15px;
  font-style: italic;
  color: var(--text-secondary);
}

.compare-item.new .compare-desc {
  color: var(--text-primary);
}

/* Closing Section */
.closing {
  padding: 120px 60px;
  background: var(--bg-secondary);
  text-align: center;
}

.closing-content {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  margin-bottom: 24px;
}

.closing p {
  font-size: 18px;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  padding: 40px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
}

.brand-tagline {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px;
  }
  
  .hero-decoration {
    display: none;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .features, .differentiator, .closing {
    padding: 60px 24px;
  }
  
  .footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding: 40px 24px;
  }
}