/* Duor Marketing Landing Page Styles */
:root {
  --primary: #0073ea;
  --primary-hover: #0060c4;
  --bg-main: #ffffff;
  --bg-soft: #f8f9fc;
  --text-main: #1d2129;
  --text-muted: #5b6472;
  --border-light: #e5e8ef;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  font-family: "Figtree", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background: var(--bg-main);
}

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

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: 68px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand strong {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border: 1px solid transparent;
}

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

.btn-secondary {
  background: var(--bg-soft);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: #edf1f7;
}

.btn-large {
  padding: 14px 26px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.arrow-icon {
  width: 18px;
  height: 18px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 76px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, #eef6ff 0%, #ffffff 70%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #eef5fc;
  border: 1px solid #d4e5f7;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.hero-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 28px;
  color: #111827;
}

.hero-subtitle {
  max-width: 680px;
  margin: 0 auto 32px;
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 0;
}

.hero-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

/* Preview Mockup Card */
.preview-card {
  max-width: 980px;
  margin: 0 auto 56px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  text-align: left;
}

.preview-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--border-light);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d8dde6;
}

.preview-address {
  font-family: monospace;
  font-size: 12px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 4px 16px;
  border-radius: 6px;
  color: var(--text-muted);
}

.preview-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #00c875;
  font-weight: 600;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00c875;
}

.preview-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 300px;
}

.mockup-sidebar {
  background: #fcfdfe;
  border-right: 1px solid var(--border-light);
  padding: 18px 14px;
}

.mockup-brand {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.mockup-nav-item {
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.mockup-nav-item.active {
  background: #eef5fc;
  color: var(--primary);
  font-weight: 600;
}

.mockup-content {
  padding: 18px;
  background: #ffffff;
}

.mockup-lanes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mockup-lane {
  background: #f8fafc;
  border-radius: 8px;
  padding: 10px;
  min-height: 240px;
}

.lane-title {
  font-size: 12px;
  font-weight: 700;
  padding-left: 8px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
}

.mockup-ticket {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.mockup-ticket small {
  display: block;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 4px;
}

/* Features */
.features-section {
  padding: 90px 0;
  background: var(--bg-soft);
  scroll-margin-top: 68px;
}

.section-head {
  max-width: 660px;
  margin: 0 auto 56px;
}

.text-center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* AI Collaboration Workflow Diagram */
.flow-card {
  background: linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
  border: 1px solid #dce8fa;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  margin-bottom: 56px;
  box-shadow: var(--shadow-sm);
}

.flow-card-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
}

.flow-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: #eef5fc;
  border: 1px solid #d4e5f7;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.flow-card-head h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

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

.flow-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.flow-node {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-node:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.flow-node.highlight {
  border-color: #bee0fc;
  background: #fbfdff;
}

.flow-node.team-highlight {
  border-color: #a7f3d0;
  background: #fcfdfd;
}

.flow-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.flow-tag.ai-tag {
  background: #eef2ff;
  color: #4f46e5;
  border: 1px solid #c7d2fe;
}

.flow-tag.team-tag {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.flow-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--primary);
  background: #eef6ff;
}

.flow-node.team-highlight .flow-icon {
  color: #059669;
  background: #ecfdf5;
}

.flow-node h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.flow-detail {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.flow-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
}

.connector-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.connector-arrow {
  font-size: 16px;
  color: var(--primary);
  line-height: 1;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-light);
  padding: 32px 0;
  background: #ffffff;
}

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

.copyright {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.footer-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

@media (max-width: 960px) {
  .hero-title { font-size: 32px; }
  .preview-body { grid-template-columns: 1fr; }
  .mockup-sidebar { display: none; }
  .mockup-lanes { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .flow-diagram {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .flow-connector {
    padding: 4px 0;
  }
  .connector-arrow {
    transform: rotate(90deg);
    display: inline-block;
  }
  .flow-node {
    min-height: auto;
  }
}