:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #11141d;
  --bg-card: rgba(18, 22, 33, 0.7);
  --bg-card-hover: rgba(26, 32, 48, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.35);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Ambient Glows */
.ambient-glow-1 {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 550px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(168, 85, 247, 0.08) 50%, transparent 80%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  top: 1500px;
  right: 5%;
  width: 600px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-3 {
  position: absolute;
  top: 3200px;
  left: 5%;
  width: 700px;
  height: 600px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, transparent 70%);
  filter: blur(110px);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: rgba(10, 11, 16, 0.75);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.suite-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.5px;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: 12px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 56px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

/* Simulator Section */
.simulator-section {
  padding: 60px 0 100px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 650px;
  margin: 0 auto;
}

.sim-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 24px;
  background: rgba(18, 22, 33, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.sim-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sim-tab-group {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.sim-tab-btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.sim-tab-btn.active {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.sim-presets h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.preset-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preset-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.preset-item:hover, .preset-item.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--accent-blue);
}

.preset-icon {
  font-size: 20px;
}

.preset-info {
  flex: 1;
}

.preset-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.preset-meta {
  font-size: 11px;
  color: var(--text-muted);
}

/* Simulator Canvas */
.sim-canvas {
  background: #0d0f17;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 480px;
}

.sim-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
}

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

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.sim-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.sim-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

/* Dropzone in simulator */
.sim-dropzone {
  flex: 1;
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px;
  text-align: center;
  transition: all 0.2s;
}

.sim-dropzone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
}

.dropzone-icon {
  font-size: 48px;
  color: var(--accent-blue);
}

/* Tree Table in simulator */
.sim-tree-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.sim-tree-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 11px;
  border-bottom: 1px solid var(--border-color);
}

.sim-tree-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.tree-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.tree-indent {
  display: inline-block;
  width: 20px;
}

.sim-status-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
}

/* Features Grid */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

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

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

/* Formats Showcase */
.formats-section {
  padding: 80px 0;
}

.format-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto 40px;
}

.format-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.format-tag span.badge-pro {
  font-size: 9px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  padding: 2px 5px;
  border-radius: 4px;
}

/* Comparison Table */
.comparison-section {
  padding: 80px 0;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--bg-card);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comp-table th, .comp-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

.comp-table th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  color: var(--text-secondary);
}

.comp-table .highlight-col {
  background: rgba(59, 130, 246, 0.08);
  font-weight: 600;
  color: #fff;
}

.check {
  color: var(--accent-green);
  font-weight: bold;
}

.cross {
  color: var(--text-muted);
}

/* Pricing Section */
.pricing-section {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  padding: 36px 32px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--accent-blue);
  background: linear-gradient(180deg, rgba(30, 42, 69, 0.8) 0%, rgba(18, 22, 33, 0.9) 100%);
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.25);
  transform: scale(1.03);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 40px;
}

.plan-price {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.plan-period {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.plan-features li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li span {
  color: var(--accent-green);
  font-weight: bold;
}

/* FAQ Accordion */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-chevron {
  transition: transform 0.2s;
  font-size: 14px;
  color: var(--text-muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
  background: #07080b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 320px;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-title { font-size: 40px; }
  .sim-container { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}