/* AstroGuru Graphite Design System Canonical Tokens */
:root {
  --bg-page: #FFFFFF;
  --bg-subtle: #F7F7F8;
  --bg-section: #F3F3F5;
  --bg-card: #FFFFFF;
  --border-card: #E8E8EA;
  --border-subtle: #ECECED;

  --text-primary: #18181B;
  --text-secondary: #45444A;
  --text-muted: #68676E;
  --text-faint: #94939B;

  --accent-dark: #1C1C1E;
  --accent-dark-hover: #2C2C2E;
  --accent-cta: #D2451D;
  --accent-cta-hover: #BA3D19;
  --accent-pill-bg: #FBE9E2;

  --node-violet: #7C4DFF;
  --node-sky: #0EA5E9;
  --node-green: #16A34A;
  --node-amber: #EAB308;
  --node-orange: #F97316;
  --node-red: #E11D48;
  --node-love: #E0457B;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --radius-card: 24px;
  --radius-sm: 16px;
  --radius-input: 12px;
  --radius-pill: 999px;

  --shadow-card: 0 8px 30px rgba(24, 24, 27, 0.04);
  --shadow-subtle: 0 2px 8px rgba(24, 24, 27, 0.03);
}

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

body {
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
}

/* Header & Navigation */
.site-header {
  height: 72px;
  border-bottom: 1px solid var(--border-card);
  background: var(--bg-page);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  max-width: 1320px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.site-brand svg {
  display: block;
}

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

.site-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text-primary);
}

.nav-cta-btn {
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: var(--accent-dark);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
  border: none;
  cursor: pointer;
}

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

/* Layout Containers */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero-section {
  padding: 56px 0 36px;
  background: var(--bg-page);
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: inline-block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.15;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.answer-unit-box {
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 32px;
}

.answer-unit-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.answer-unit-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Grid & Cards */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

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

.grid-5col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.card-header {
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.25;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Inner elements inside cards must NOT have borders to prevent nested border depth violations */
.inner-box {
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.inner-box-sm {
  background: var(--bg-subtle);
  border-radius: var(--radius-input);
  padding: 12px 16px;
}

/* Form Controls */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input,
.form-select {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-subtle);
  border: none;
  border-radius: var(--radius-input);
  outline: none;
  transition: background 0.15s ease;
}

.form-input:focus,
.form-select:focus {
  background: #EFEFF1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

/* Checkbox & Two-Tier Toggle */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  user-select: none;
  margin-top: 8px;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-dark);
  cursor: pointer;
}

/* Segmented Control / Tabs */
.segmented-control {
  display: flex;
  padding: 4px;
  border-radius: var(--radius-pill);
  background: var(--bg-section);
  margin-bottom: 20px;
}

.segmented-btn {
  flex: 1;
  height: 36px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.segmented-btn.active {
  background: #FFFFFF;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(24, 24, 27, 0.08);
}

/* Buttons */
.btn-primary {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-pill);
  background: var(--accent-dark);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-dark-hover);
}

.btn-cta-main {
  width: 100%;
  height: 52px;
  border-radius: var(--radius-pill);
  background: var(--accent-cta);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease;
  text-decoration: none;
}

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

.btn-outline {
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-card);
  background: #FFFFFF;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

/* Badges & Pills */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.pill-badge-accent {
  background: var(--accent-pill-bg);
  color: var(--accent-cta);
}

.pill-badge-green {
  background: #EAF7EE;
  color: #15803D;
}

/* Section styling */
.page-section {
  padding: 64px 0;
}

.page-section-alt {
  padding: 64px 0;
  background: var(--bg-section);
}

.section-head {
  margin-bottom: 36px;
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 10px auto 0;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: var(--radius-sm);
  background: var(--bg-page);
}

.astro-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.astro-table th {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-card);
  background: var(--bg-subtle);
}

.astro-table td {
  padding: 14px 16px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.astro-table tr:last-child td {
  border-bottom: none;
}

.astro-table td strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Accordion / FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: color 0.15s ease;
}

.faq-question:hover {
  color: var(--accent-cta);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

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

/* Hub Cards Grid */
.hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hub-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(24, 24, 27, 0.08);
}

.hub-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-dark);
}

.hub-card-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.hub-card-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
}

.hub-card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-card);
  padding: 48px 0 32px;
  background: var(--bg-page);
}

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

.footer-brand {
  max-width: 340px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.15s ease;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* Visualizer Chart Containers */
.chart-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.chart-svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent-dark);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  display: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.toast-notice.show {
  display: block;
  opacity: 1;
}

/* The 24° Astronomical Shift Insight & Veda Co-Pilot */
.shift-insight-box {
  background: var(--bg-subtle);
  border-radius: 20px;
  padding: 18px 20px;
  margin-top: 20px;
}

.shift-insight-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.shift-insight-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cta);
  background: var(--accent-pill-bg);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.shift-comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
  margin: 10px 0 14px 0;
}

.shift-comparison-table td {
  padding: 8px 12px;
  font-size: 13px;
  background: #FFFFFF;
}

.shift-comparison-table tr td:first-child {
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
  font-weight: 600;
  color: var(--text-primary);
  width: 25%;
}

.shift-comparison-table tr td:nth-child(2) {
  color: var(--text-secondary);
  width: 37.5%;
}

.shift-comparison-table tr td:last-child {
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  color: var(--text-primary);
  font-weight: 600;
  width: 37.5%;
}

.shift-insight-quote {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: #FFFFFF;
  padding: 14px 16px;
  border-radius: 14px;
  margin-top: 10px;
}

.shift-insight-quote strong {
  color: var(--text-primary);
}

/* Veda AI Co-Pilot Container */
.copilot-container {
  background: var(--bg-subtle);
  border-radius: 20px;
  padding: 20px;
  margin-top: 20px;
}

.copilot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.copilot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.copilot-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  background: var(--accent-dark);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.copilot-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.copilot-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.copilot-chip {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.copilot-chip:hover {
  background: #F3F3F5;
  border-color: #D6D6D8;
}

.copilot-chip.active {
  background: var(--accent-dark);
  color: #FFFFFF;
  border-color: var(--accent-dark);
}

.copilot-preview {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.copilot-preview-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.blurred-preview {
  filter: blur(4px);
  user-select: none;
  background: #ECECED;
  color: var(--text-primary);
  padding: 1px 6px;
  border-radius: 4px;
  display: inline-block;
  font-weight: 600;
}

.copilot-cta-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Call-to-Tool Anchors */
.tool-anchor {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.tool-anchor:hover {
  color: var(--accent-cta);
}

.tool-anchor-block {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  text-decoration: none;
  background: var(--bg-subtle);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: all 0.15s ease;
}

.tool-anchor-block:hover {
  background: #E8E8EA;
  color: var(--accent-cta);
}

.input-focus-pulse {
  animation: pulseHighlight 1.5s ease;
}

@keyframes pulseHighlight {
  0% { box-shadow: 0 0 0 0 rgba(28, 28, 30, 0.4); }
  50% { box-shadow: 0 0 0 5px rgba(28, 28, 30, 0.2); }
  100% { box-shadow: 0 0 0 0 rgba(28, 28, 30, 0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-2col {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .hero-title {
    font-size: 32px;
  }
  .section-title {
    font-size: 26px;
  }
  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }
  .grid-3col {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}