/**
 * Landing Page Styles
 * Task: thrum-235d.4
 */

/* ============================================================================
   HEADER
   ========================================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-glyph {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
  text-transform: lowercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-link:hover {
  color: var(--primary);
  text-decoration: none;
}

.nav-link-external::after {
  content: ' \2197';
  font-size: 10px;
}

/* ============================================================================
   HERO
   ========================================================================= */

.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 20px;
  padding: 6px 16px;
  margin-bottom: var(--space-xl);
  animation: fadeIn 0.6s ease;
}

.hero-title {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: 8px;
  text-transform: lowercase;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideUp 0.6s ease;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  animation: slideUp 0.6s ease 0.1s both;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  animation: slideUp 0.6s ease 0.2s both;
}

.hero-install {
  animation: slideUp 0.6s ease 0.3s both;
}

.hero-install code {
  font-size: 13px;
  padding: 8px 20px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  user-select: all;
}

/* ============================================================================
   SECTIONS
   ========================================================================= */

.section {
  padding: 80px 0;
}

.section-alt {
  background: rgba(15, 23, 42, 0.4);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  margin-bottom: var(--space-xl);
}

.section-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* ============================================================================
   FEATURES
   ========================================================================= */

.features-grid {
  margin-top: var(--space-2xl);
}

.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-card p {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 0;
}

a.feature-card-link {
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

a.feature-card-link:hover {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
}

.feature-icon {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-md);
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================================
   CODE BLOCKS
   ========================================================================= */

.code-grid {
  margin-top: var(--space-2xl);
}

.code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-base);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border);
}

.code-header-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-subtle);
  opacity: 0.4;
}

.code-header-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-left: 8px;
}

.code-block pre {
  margin: 0;
  border: none;
  border-radius: 0;
  padding: var(--space-lg);
  background: transparent;
  box-shadow: none;
}

.code-block pre code {
  font-size: 12px;
  line-height: 1.7;
}

/* Inline syntax colors */
.c-comment { color: var(--text-subtle); }
.c-prompt { color: var(--primary); font-weight: 600; }
.c-output { color: var(--success); }
.c-string { color: #fbbf24; }

/* ============================================================================
   ARCHITECTURE DIAGRAM
   ========================================================================= */

.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.arch-row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.arch-box {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
  min-width: 140px;
}

.arch-agent {
  background: rgba(56, 189, 248, 0.08);
  color: var(--primary);
  border-color: rgba(56, 189, 248, 0.3);
}

.arch-daemon {
  background: rgba(16, 185, 129, 0.08);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
  min-width: 300px;
  font-size: 14px;
  font-weight: 600;
  padding: 16px 24px;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

.arch-storage {
  background: rgba(251, 191, 36, 0.06);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.2);
}

.arch-arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ============================================================================
   CTA
   ========================================================================= */

.section-cta {
  padding: 100px 0;
}

.section-cta .section-title {
  font-size: 36px;
}

/* ============================================================================
   FOOTER
   ========================================================================= */

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.footer-brand .logo-glyph {
  font-size: 14px;
}

.footer-brand .logo-text {
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

/* ============================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 768px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 48px;
    letter-spacing: 4px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 60px 0;
  }

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

  .arch-daemon {
    min-width: auto;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .nav-links {
    gap: var(--space-md);
  }
}