:root {
  --bg-canvas: #f3f0fa;
  --bg-surface: #ffffff;
  --bg-surface-soft: #eae4f5;
  --bg-surface-hover: #f9f7fd;
  --text-primary: #23163a;
  --text-muted: #53456b;
  --accent-primary: #7c2d96;
  --accent-secondary: #c026d3;
  --accent-warm: #d97706;
  --border-subtle: #d8cde9;
  --border-strong: #23163a;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 10px 24px -4px rgba(35, 22, 58, 0.08);
  --shadow-node: 0 4px 12px rgba(124, 45, 150, 0.15);
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-w: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  background-color: var(--bg-canvas);
  overflow-wrap: anywhere;
  hyphens: auto;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 3.5vw, 3rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin-bottom: 0.85rem; }
h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1.15rem; color: var(--text-muted); font-size: 1.05rem; }
p strong, li strong { color: var(--text-primary); }

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease-kinetic);
}
a:hover {
  color: var(--accent-secondary);
}

.site-header {
  position: relative;
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  width: 100%;
}

.header-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-anchor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  text-align: left;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--text-primary);
  color: #f3f0fa;
  font-family: var(--font-serif);
  font-weight: bold;
  font-size: 1.2rem;
  border-radius: 0;
  border: 1px solid var(--text-primary);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.desktop-nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.desktop-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  border-bottom: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
}

.mobile-nav-panel {
  display: none;
  flex-direction: column;
  background: var(--bg-surface);
  border-bottom: 2px solid var(--border-subtle);
  padding: 1rem 1.5rem;
  gap: 0.85rem;
}

.mobile-nav-panel.open {
  display: flex;
}

.mobile-nav-panel a {
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.4rem 0;
}

main {
  flex: 1;
  width: 100%;
}

.page-wrapper {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.hero-pathway {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 3.5rem;
}

.hero-thesis {
  max-width: 65ch;
}

.kicker {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.btn-path {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-strong);
  background: var(--text-primary);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-elevation);
  transition: transform 0.2s var(--ease-kinetic), background 0.2s var(--ease-kinetic);
}

.btn-path:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-strong);
  background: transparent;
  color: var(--text-primary);
  padding: 0.8rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-kinetic);
}

.btn-secondary:hover {
  background: var(--bg-surface-soft);
  color: var(--text-primary);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero-triptych {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  position: relative;
}

.triptych-plate {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: var(--shadow-elevation);
}

.triptych-plate img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-kinetic);
}

.triptych-plate:hover img {
  transform: scale(1.05);
}

.triptych-caption {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-primary);
  text-align: center;
}

.section-head {
  margin-bottom: 2rem;
  position: relative;
}

.section-head.centered {
  text-align: center;
  max-width: 70ch;
  margin-left: auto;
  margin-right: auto;
}

.pathway-stream {
  position: relative;
  margin: 2.5rem 0 4rem;
  padding-left: 2.5rem;
}

.pathway-stream::before {
  content: "";
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 17px;
  width: 2px;
  background: var(--border-subtle);
}

.pathway-step {
  position: relative;
  margin-bottom: 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-elevation);
  transition: transform 0.25s var(--ease-kinetic);
}

.pathway-step:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
}

.step-node {
  position: absolute;
  left: -2.5rem;
  top: 1.5rem;
  width: 36px;
  height: 36px;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-node);
  border: 3px solid var(--bg-canvas);
}

.step-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.step-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
  display: block;
}

.data-row-container {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
  margin: 2.5rem 0;
}

.data-row {
  display: grid;
  grid-template-columns: 80px 1.5fr 2.5fr 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.25rem 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.2s ease;
}

.data-row:hover {
  background: var(--bg-surface-hover);
}

.data-glyph {
  font-size: 1.4rem;
  color: var(--accent-primary);
  font-family: var(--font-serif);
  font-weight: bold;
}

.data-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.data-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.data-link {
  text-align: right;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.content-article {
  max-width: 72ch;
  margin: 0 auto;
}

.article-hero-plate {
  margin: 2rem 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: var(--shadow-elevation);
}

.article-hero-plate img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.article-caption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-style: italic;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.deep-dive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.deep-dive-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  box-shadow: var(--shadow-elevation);
}

.deep-dive-card h3 {
  border-bottom: 2px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.spec-table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-table th {
  background: var(--bg-surface-soft);
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.spec-table tr:hover td {
  background: var(--bg-surface-hover);
}

.lab-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  margin: 3rem 0;
  box-shadow: var(--shadow-elevation);
}

.lab-form-group {
  margin-bottom: 1.25rem;
}

.lab-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.lab-input,
.lab-select,
.lab-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  border-radius: 0;
}

.lab-input:focus,
.lab-select:focus,
.lab-textarea:focus {
  outline: 2px solid var(--accent-primary);
  background: #ffffff;
}

.lab-textarea {
  min-height: 120px;
  resize: vertical;
}

.notice-box {
  padding: 1rem 1.25rem;
  background: var(--bg-surface-soft);
  border-left: 4px solid var(--accent-primary);
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-elevation);
}

.faq-item h3 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.site-footer {
  background: #1c142b;
  color: #d1c8e3;
  padding: 3.5rem 1.5rem 2.5rem;
  border-top: 2px solid var(--accent-primary);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  color: #d1c8e3;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #36294d;
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: #ffffff;
}

@media (max-width: 900px) {
  .hero-pathway {
    grid-template-columns: 1fr;
  }
  .hero-triptych {
    grid-template-columns: repeat(3, 1fr);
  }
  .step-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .data-row {
    grid-template-columns: 50px 1.2fr 2fr;
  }
  .data-link {
    grid-column: span 3;
    text-align: left;
    margin-top: 0.5rem;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-triptych {
    grid-template-columns: 1fr;
  }
  .pathway-stream {
    padding-left: 1.5rem;
  }
  .pathway-stream::before {
    left: 8px;
  }
  .step-node {
    left: -1.5rem;
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }
  .data-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .data-link {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}