:root {
  --bg-canvas: #13261d;
  --bg-surface: #20372a;
  --bg-surface-hover: #294636;
  --bg-deep: #0d1b14;
  --text-primary: #efe6d2;
  --text-muted: #c6bca6;
  --accent-primary: #b8923a;
  --accent-secondary: #d4ae56;
  --border-subtle: rgba(184, 146, 58, 0.28);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 14px 34px -6px rgba(6, 14, 10, 0.55);
  --glow-accent: 0 0 36px -6px rgba(184, 146, 58, 0.42);
  --glass-backdrop: blur(12px) saturate(140%);
}

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

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1, h2, h3, h4 {
  font-family: Georgia, "Times New Roman", Times, serif;
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
  margin-top: 0;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1 {
  font-size: clamp(2.35rem, 5vw, 4.35rem);
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  margin-bottom: 0.65rem;
}

p {
  margin-top: 0;
  margin-bottom: 1.25rem;
  max-width: 70ch;
}

a {
  color: var(--accent-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s var(--ease-kinetic);
}

a:hover, a:focus-visible {
  color: var(--text-primary);
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.prose-measure {
  max-width: 70ch;
  margin: 0 auto;
}

/* Header: Slim, Simple Bar in Normal Document Flow (Scrolls Up Naturally) */
.site-header-wrap {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--bg-deep);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 50;
}

.site-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 1200px;
  min-height: 46px;
  margin: 0 auto;
  padding: 0.4rem 1.5rem;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-right: auto;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  background-color: var(--accent-primary);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-desktop a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  color: var(--accent-secondary);
  background-color: rgba(184, 146, 58, 0.1);
}

.menu-dots-btn {
  display: none;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.menu-dots-btn:hover,
.menu-dots-btn[aria-expanded="true"] {
  background-color: var(--accent-primary);
  color: var(--bg-deep);
  border-color: var(--accent-primary);
}

.mobile-menu-panel {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 1rem;
  width: min(230px, calc(100vw - 2rem));
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  margin-top: 0;
  padding: 0.35rem 0;
  box-shadow: var(--shadow-elevation);
  z-index: 100;
}

.mobile-menu-panel.is-open {
  display: block;
}

.mobile-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.mobile-menu-list a {
  display: block;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  line-height: 1.35;
  padding: 0.48rem 0.95rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.mobile-menu-list a:hover,
.mobile-menu-list a[aria-current="page"] {
  background-color: var(--bg-surface-hover);
  color: var(--accent-secondary);
}

/* Monumental Image-Free Hero */
.hero-monumental {
  position: relative;
  padding: 4.5rem 0 6rem;
  background:
    radial-gradient(circle at 22% 35%, rgba(184, 146, 58, 0.20) 0%, rgba(184, 146, 58, 0.04) 38%, transparent 68%),
    radial-gradient(circle at 80% 70%, rgba(212, 174, 86, 0.12) 0%, transparent 52%),
    var(--bg-canvas);
  clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
}

.hero-kicker {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-secondary);
  margin-bottom: 1.1rem;
  font-weight: 600;
}

.hero-lead {
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  color: var(--text-muted);
  max-width: 64ch;
  margin-bottom: 2.2rem;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

/* Compact, Small-Text Pill Buttons */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-primary);
  color: var(--bg-canvas);
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic), background-color 0.2s ease;
}

.btn-pill:hover,
.btn-pill:focus-visible {
  background-color: var(--accent-secondary);
  color: var(--bg-canvas);
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevation);
}

.btn-secondary-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.52rem 1.05rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-kinetic), background-color 0.2s ease, color 0.2s ease;
}

.btn-secondary-pill:hover {
  background-color: var(--bg-surface-hover);
  color: var(--accent-secondary);
  transform: translateY(-2px);
}

/* Alternating Sections with Diagonal / Curved Clip Transitions */
.section-band {
  padding: 5.2rem 0;
  position: relative;
}

.section-surface {
  background-color: var(--bg-surface);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  padding: 6.2rem 0;
}

.section-deep {
  background-color: var(--bg-deep);
  clip-path: ellipse(140% 96% at 50% 50%);
  padding: 6rem 0;
}

.section-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-secondary);
  margin-bottom: 0.65rem;
  font-weight: 600;
}

/* Alternating Split Grid */
.split-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.75rem;
  align-items: center;
}

.split-text {
  grid-column: span 7;
}

.split-media {
  grid-column: span 5;
}

.split-reverse .split-media {
  grid-column: 1 / span 5;
  grid-row: 1;
}

.split-reverse .split-text {
  grid-column: 6 / span 7;
  grid-row: 1;
}

/* Square Images & Figures */
.workshop-figure {
  margin: 0;
  background-color: var(--bg-deep);
  box-shadow: var(--shadow-elevation);
  border-radius: 0;
}

.workshop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 0;
}

.workshop-figure.wide img {
  aspect-ratio: 16 / 9;
}

.workshop-figure figcaption {
  padding: 0.9rem 1.15rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  background-color: var(--bg-deep);
}

/* Borderless Square Project Panels */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.project-panel {
  background-color: var(--bg-surface);
  border: none;
  border-radius: 0;
  padding: 1.85rem;
  box-shadow: var(--shadow-elevation);
  transition: transform 0.35s var(--ease-kinetic), box-shadow 0.35s var(--ease-kinetic), background-color 0.25s ease;
}

.section-surface .project-panel {
  background-color: var(--bg-canvas);
}

.project-panel:hover {
  transform: translateY(-5px) scale(1.01);
  background-color: var(--bg-surface-hover);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
}

.panel-tag {
  display: inline-block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-secondary);
  margin-bottom: 0.6rem;
  font-weight: 700;
}

/* Hypothesis & Observation Pairs */
.ho-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.ho-box {
  background-color: var(--bg-deep);
  padding: 1.6rem;
  border-radius: 0;
  box-shadow: var(--shadow-elevation);
}

.ho-title {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
  display: block;
}

/* Annotated Sketch Box */
.sketch-panel {
  background-color: var(--bg-deep);
  padding: 1.75rem;
  margin: 2.2rem 0;
  border-radius: 0;
  box-shadow: var(--shadow-elevation);
}

.sketch-svg {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 1rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  box-shadow: var(--shadow-elevation);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-deep);
  font-size: 0.95rem;
  border-radius: 0;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.95rem 1.15rem;
}

.data-table th {
  background-color: var(--bg-surface);
  color: var(--accent-secondary);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.data-table tr:nth-child(even) td {
  background-color: rgba(32, 55, 42, 0.45);
}

/* Inspection Checklists */
.checklist-panel {
  background-color: var(--bg-surface);
  padding: 1.85rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-elevation);
  border-radius: 0;
}

.section-surface .checklist-panel {
  background-color: var(--bg-canvas);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.checklist li {
  position: relative;
  padding-left: 1.85rem;
}

.checklist li::before {
  content: "■";
  position: absolute;
  left: 0;
  top: 0.05rem;
  color: var(--accent-primary);
  font-size: 0.95rem;
}

/* Forms & Square Inputs */
.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 0.45rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  border: 1px solid rgba(184, 146, 58, 0.35);
  border-radius: 0;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
}

.draft-preview {
  background-color: var(--bg-deep);
  padding: 1.4rem;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 150px;
  border-radius: 0;
  box-shadow: var(--shadow-elevation);
}

/* FAQ Accordion / Cards */
.faq-list {
  display: grid;
  gap: 1.25rem;
}

.faq-item {
  background-color: var(--bg-surface);
  padding: 1.65rem 1.85rem;
  box-shadow: var(--shadow-elevation);
  border-radius: 0;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ease-kinetic), transform 0.65s var(--ease-kinetic);
}

.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Footer */
.site-footer {
  background-color: var(--bg-deep);
  padding: 4rem 0 2.75rem;
  margin-top: 3rem;
  font-size: 0.94rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2.2rem;
  margin-bottom: 2.5rem;
}

.footer-heading {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--accent-secondary);
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-secondary);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(184, 146, 58, 0.2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.86rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .split-text,
  .split-media,
  .split-reverse .split-text,
  .split-reverse .split-media {
    grid-column: span 12;
    grid-row: auto;
  }
}

@media (min-width: 901px) {
  .mobile-menu-panel,
  .mobile-menu-panel.is-open {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 0.35rem 1rem;
    min-height: 44px;
  }
  .nav-desktop {
    display: none;
  }
  .menu-dots-btn {
    display: inline-flex;
  }
  .hero-monumental {
    padding: 3.5rem 0 4.8rem;
  }
  .section-surface {
    clip-path: polygon(0 1.5%, 100% 0, 100% 98.5%, 0 100%);
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 0.35rem 0.85rem;
  }
  .mobile-menu-panel {
    right: 0.85rem;
  }
  .project-panel,
  .checklist-panel {
    padding: 1.35rem;
  }
}