/* CozyPane Landing Page */
:root {
  --bg: #1a1b2e;
  --bg-card: #232438;
  --bg-hover: #2a2b42;
  --accent: #7c6ef0;
  --accent-hover: #9488f5;
  --text: #e4e4f0;
  --text-dim: #9394a5;
  --text-muted: #6b6c7e;
  --border: #333456;
  --success: #5ce0a8;
  --radius: 12px;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'JetBrains Mono', 'Fira Code', Menlo, monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

.nav-logo img {
  border-radius: 6px;
}

.nav-cta {
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s;
}

.nav-cta:hover {
  background: var(--accent-hover);
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 24px 60px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid var(--border);
  transition: background 0.15s;
}

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

.hero-screenshot {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.hero-screenshot img {
  width: 100%;
  display: block;
}

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

.features h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.15s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* Download */
.download {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}

.download h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-sub {
  color: var(--text-dim);
  margin-bottom: 8px;
  font-size: 16px;
}

.download-version {
  color: var(--text-muted);
  font-size: 14px;
  font-family: var(--font-mono);
  margin-bottom: 32px;
}

.download-grid {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--text);
  min-width: 220px;
  transition: border-color 0.2s, transform 0.15s;
}

.download-card:hover:not(.disabled) {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.download-card.disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.download-card.highlighted {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(124, 110, 240, 0.2);
}

.download-icon {
  font-size: 28px;
}

.download-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.download-info strong {
  font-size: 14px;
}

.download-info span {
  font-size: 12px;
  color: var(--text-muted);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 16px;
  }

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

  .download-grid {
    flex-direction: column;
    align-items: center;
  }

  .download-card {
    width: 100%;
    max-width: 320px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}