:root {
  --bg-canvas: #160f2e;
  --bg-surface: #25183f;
  --bg-surface-hover: #332056;
  --text-primary: #ffffff;
  --text-muted: #cbbdd9;
  --accent-primary: #e0409b;
  --accent-secondary: #e6bb55;
  --border-subtle: rgba(230, 187, 85, 0.28);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
  --glow-accent: 0 0 24px -4px rgba(224, 64, 155, 0.55);
  --glass-backdrop: blur(16px) saturate(180%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
  padding: 28px;
}
.page-frame {
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 80% 10%, rgba(224,64,155,0.08), transparent 45%), var(--bg-canvas);
  min-height: calc(100vh - 56px);
  position: relative;
}
h1, h2, h3, h4, .nav-link, .badge, .eyebrow {
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  line-height: 1.2;
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.8rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); margin-bottom: 1.25rem; color: var(--text-primary); }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--accent-secondary); }
p { margin-bottom: 1.35rem; color: var(--text-primary); }
a { color: var(--accent-secondary); text-decoration: underline; text-underline-offset: 4px; transition: color 0.2s ease; }
a:hover { color: var(--accent-primary); }

/* Header - Strictly Static/Relative, Left Brand, Two Nav Groups */
.site-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: "Arial Narrow", "Helvetica Neue", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-right: auto;
}
.brand-mark {
  width: 14px;
  height: 14px;
  background: var(--accent-primary);
  border: 2px solid var(--accent-secondary);
  display: inline-block;
}
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}
.nav-group {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}
.nav-group + .nav-group {
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-subtle);
}
.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link[aria-current="page"] {
  color: var(--accent-primary);
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

/* Full Viewport Hero */
.hero-viewport {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  background-color: #110926;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.48;
  filter: contrast(1.18) brightness(0.85);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22, 15, 46, 0.65) 0%, rgba(22, 15, 46, 0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}
.eyebrow {
  display: inline-block;
  color: var(--accent-secondary);
  font-size: 0.82rem;
  margin-bottom: 1rem;
  letter-spacing: 0.2em;
}
.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 64ch;
  margin: 0 auto 2rem;
}

/* Pill Buttons */
.btn-pill {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-family: "Arial Narrow", "Helvetica Neue", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.9rem 2rem;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-kinetic), box-shadow 0.3s var(--ease-kinetic);
}
.btn-pill:hover {
  color: #ffffff;
  transform: translateY(-4px) scale(1.015);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
}
.btn-pill-secondary {
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--accent-secondary);
  color: var(--accent-secondary);
}

/* Layout & Narrow Essay Columns */
.section-block {
  padding: 4.5rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.essay-column {
  max-width: 68ch;
  margin: 0 auto;
}
.wide-container {
  max-width: 1160px;
  margin: 0 auto;
}

/* Breakout Photographs & Diagrams */
.breakout-figure {
  max-width: 1080px;
  margin: 3rem auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}
.breakout-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.figure-caption {
  padding: 1rem 1.35rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.diagram-tag {
  color: var(--accent-secondary);
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Pull Quotes with Round Contributor Avatars */
.pull-quote {
  margin: 2.75rem -2rem;
  padding: 2rem;
  background: var(--bg-surface);
  border-left: 4px solid var(--accent-primary);
  box-shadow: var(--shadow-elevation);
}
.pull-quote blockquote {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.quote-attribution {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.avatar-round {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-secondary);
}

/* Field-Note Cards with Overlapping Round Badges */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}
.field-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease-kinetic), box-shadow 0.35s var(--ease-kinetic);
}
.field-card:hover {
  transform: translateY(-5px) scale(1.015);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
  background: var(--bg-surface-hover);
}
.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.badge {
  position: absolute;
  bottom: -14px;
  left: 1.25rem;
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 2;
}
.badge-magenta {
  background: var(--accent-primary);
  color: #ffffff;
}
.badge-gold {
  background: var(--accent-secondary);
  color: #160f2e;
}
.card-body {
  padding: 1.85rem 1.35rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  flex: 1;
}
.card-link {
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--accent-secondary);
  text-decoration: none;
  font-weight: 700;
}

/* Tables & Data */
.table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--border-subtle);
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
  font-size: 0.92rem;
}
th, td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}
th {
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-secondary);
  background: rgba(0, 0, 0, 0.25);
}

/* SVG Current & Depth Diagrams */
.svg-diagram {
  width: 100%;
  height: auto;
  background: #120b26;
  padding: 1.5rem;
  display: block;
}

/* Forms & Interactive Tools */
.field-form {
  background: var(--bg-surface);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  margin-top: 2rem;
}
.form-row {
  margin-bottom: 1.25rem;
}
.form-row label {
  display: block;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
  color: var(--accent-secondary);
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}
.status-box {
  margin-top: 1rem;
  padding: 0.85rem;
  background: rgba(224, 64, 155, 0.15);
  border: 1px solid var(--accent-primary);
  font-size: 0.9rem;
  display: none;
}

/* FAQ Accordion */
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
  padding: 1.35rem 1.5rem;
}
.faq-item summary {
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 1.05rem;
  color: var(--accent-secondary);
  cursor: pointer;
  font-weight: 700;
}
.faq-item div {
  margin-top: 1rem;
  color: var(--text-muted);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease-kinetic), transform 0.65s var(--ease-kinetic);
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  background: var(--bg-surface);
  padding: 3.5rem 2rem 2.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-bottom {
  max-width: 1160px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .nav-wrapper { gap: 1.25rem; }
  .nav-group { gap: 0.9rem; }
}
@media (max-width: 768px) {
  body { padding: 10px; }
  .page-frame { min-height: calc(100vh - 20px); }
  .menu-toggle { display: block; }
  .nav-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 2rem;
    z-index: 50;
  }
  .nav-wrapper.is-open { display: flex; }
  .nav-group { flex-direction: column; align-items: flex-start; width: 100%; }
  .nav-group + .nav-group {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
    padding-left: 0;
    padding-top: 1rem;
  }
  .pull-quote { margin: 2rem 0; }
}
@media (max-width: 480px) {
  body { padding: 6px; }
  .site-header { padding: 1rem; }
  .section-block { padding: 3rem 1rem; }
}

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