:root {
  --bg-canvas: #0f1b2d;
  --bg-surface: #192a42;
  --bg-surface-hover: #223755;
  --text-primary: #f4f1ea;
  --text-muted: #b8c4d6;
  --accent-primary: #d4a84b;
  --accent-secondary: #ebd39b;
  --navy-dark: #09121f;
  --border-subtle: #253b59;
  --radius: 4px;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--accent-primary);
  color: var(--navy-dark);
  padding: 0.5rem 1rem;
  z-index: 9999;
  font-weight: 700;
  border-radius: var(--radius);
}
.skip-link:focus {
  top: 1rem;
}

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
a:hover {
  color: var(--accent-secondary);
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

/* Header & Navigation */
.site-header {
  position: relative;
  width: 100%;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 1.5rem;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--accent-primary);
  color: var(--navy-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: var(--radius);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after {
  width: 100%;
}
.site-nav a[aria-current="page"] {
  color: var(--accent-primary);
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

/* Layout Wrappers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
}
.prose {
  max-width: 72ch;
  margin: 0 auto;
}

/* Hero Section */
.hero-band {
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--bg-canvas) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: clamp(2.5rem, 5vw, 4.5rem) 1.5rem;
}
.hero-band .container {
  padding-top: 0;
  padding-bottom: 0;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.8rem;
}
h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.hero-lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  max-width: 68ch;
  line-height: 1.6;
  margin-bottom: 1.8rem;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--accent-primary);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background-color: var(--accent-secondary);
  color: var(--navy-dark);
  transform: translateY(-2px);
}
.link-expand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}
.link-expand::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent-primary);
  transition: transform 0.2s ease;
}
.link-expand:hover::after {
  transform: scaleX(1.15);
}

/* Sections & Alternating Gold Accent Band */
.section {
  padding: clamp(3rem, 6vw, 5rem) 1.5rem;
}
.section-gold {
  background-color: var(--accent-primary);
  color: var(--navy-dark);
}
.section-gold h2, .section-gold h3, .section-gold strong {
  color: var(--navy-dark);
}
.section-gold p, .section-gold li {
  color: #1a2636;
}
.section-gold .badge-mono {
  background-color: var(--navy-dark);
  color: var(--accent-primary);
}
.section-gold a {
  color: var(--navy-dark);
  font-weight: 700;
  text-decoration: underline;
}

/* Typography elements */
h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
h3 {
  font-size: 1.3rem;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}
p {
  margin-bottom: 1.25rem;
}
.badge-mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  background-color: rgba(212, 168, 75, 0.15);
  color: var(--accent-primary);
  border-radius: var(--radius);
  margin-bottom: 0.7rem;
}

/* Alternating Grid (Text & Illustration) */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-top: 2rem;
}
.split-grid.reversed {
  direction: rtl;
}
.split-grid.reversed > * {
  direction: ltr;
}
.media-frame {
  background-color: var(--bg-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
}
.media-frame img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

/* Flat Cards & Bento Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.card {
  background-color: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1.8rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  background-color: var(--bg-surface-hover);
}
.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1.2rem;
}
.card-content {
  flex-grow: 1;
}

/* Numbered Steps Sequence */
.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  list-style: none;
}
.step-item {
  background-color: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

/* Data Table Wrapper */
.table-scroll {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius);
  background-color: var(--bg-surface);
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  min-width: 580px;
}
th, td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}
th {
  background-color: var(--navy-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-primary);
  text-transform: uppercase;
}
tr:last-child td {
  border-bottom: none;
}

/* Accordion FAQ */
.faq-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}
details.faq-item {
  background-color: var(--bg-surface);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
details.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
details.faq-item summary::-webkit-details-marker {
  display: none;
}
details.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent-primary);
}
details[open] summary::after {
  content: "−";
}
details.faq-item p {
  margin-top: 1rem;
  margin-bottom: 0;
  color: var(--text-muted);
}

/* Draft Form / Interactive Tool */
.tool-box {
  background-color: var(--bg-surface);
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--accent-secondary);
}
.form-control {
  width: 100%;
  background-color: var(--navy-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
}
.form-control:focus {
  outline: 2px solid var(--accent-primary);
}
.tool-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 0.75rem 1.4rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
}
.btn-secondary:hover {
  background-color: rgba(212, 168, 75, 0.1);
}
.draft-preview {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background-color: var(--navy-dark);
  border-radius: var(--radius);
  border: 1px dashed var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: pre-wrap;
  display: none;
}

/* Footer */
.site-footer {
  background-color: var(--navy-dark);
  border-top: 1px solid var(--border-subtle);
  padding: clamp(3rem, 5vw, 4.5rem) 1.5rem 2rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-col h4 {
  color: var(--text-primary);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--accent-primary);
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Breakpoints */
@media (max-width: 860px) {
  .split-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .split-grid.reversed {
    direction: ltr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    right: 1.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    z-index: 100;
  }
  .site-nav.is-open {
    display: flex;
  }
}

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