:root {
  color-scheme: light;
  --font-sans: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Fraunces", "Palatino", "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --color-bg: #ffffff;
  --color-bg-soft: #f8f9fa;
  --color-bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --color-surface: #ffffff;
  --color-surface-solid: #ffffff;
  --color-surface-alt: #f8f9fa;
  --color-surface-glass: rgba(255, 255, 255, 0.8);
  --color-border: #dee2e6;
  --color-border-strong: #adb5bd;
  --color-border-soft: #e9ecef;
  --color-text: #212529;
  --color-muted: #6c757d;
  --color-muted-soft: #868e96;
  --color-inverse: #ffffff;
  --color-accent: #007bff;
  --color-accent-strong: #0056b3;
  --color-accent-soft: #cce7ff;
  --color-warning: #ffc107;
  --color-primary: #0d7f3f; /* Maine green */
  --color-primary-dark: #0a5d2f;
  --color-primary-light: #e8f5ea;
  --color-secondary: #1a365d; /* Professional blue */
  --color-secondary-light: #e2e8f0;
  --color-tertiary: #7c3aed; /* Modern purple accent */
  --color-tertiary-light: #f3e8ff;
  --color-success: #059669;
  --color-info: #0891b2;
  --color-error: #dc2626;
  --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-med: 0 4px 8px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 0 0 rgba(13, 127, 63, 0.25);
  --shadow-glow-secondary: 0 0 0 0 rgba(26, 54, 93, 0.25);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --container-max: 1200px;
  --container-narrow: 800px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-fast: 150ms ease;
  --header-height: 64px;
}

/* ----- Base reset ----- */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-strong);
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

p,
ul,
ol,
figure {
  margin: 0 0 1.25rem;
}

ul,
ol {
  padding-left: 1.4em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.75em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.4rem, 3.4vw + 1rem, 3.4rem);
  line-height: 1.12;
}

h2 {
  font-size: clamp(2rem, 2.8vw + 0.5rem, 2.65rem);
  line-height: 1.18;
}

h3 {
  font-size: clamp(1.45rem, 2.4vw + 0.3rem, 2rem);
  line-height: 1.22;
}

h4 {
  font-size: 1.25rem;
  line-height: 1.28;
}

/* Heading anchor link token */
.anchor-link {
  margin-left: 0.35rem;
  font-size: 0.85em;
  opacity: 0;
  color: var(--color-muted);
  text-decoration: none;
  transition: opacity var(--transition), color var(--transition);
}

h2:hover .anchor-link,
h3:hover .anchor-link,
h4:hover .anchor-link {
  opacity: 0.85;
}

.anchor-link:hover,
.anchor-link:focus-visible {
  color: var(--color-accent-strong);
  opacity: 1;
}

main {
  display: block;
  width: min(var(--container-max), 100%);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) var(--gutter) 4rem;
}

main > section,
main > header,
main > footer {
  margin: clamp(3rem, 5vw, 4.5rem) 0;
}

main > section:first-of-type {
  margin-top: 0;
}

.site-shell {
  display: flex;
  justify-content: center;
  padding-inline: var(--gutter);
}

.site-shell.single-column main {
  padding-inline: 0;
  max-width: 1100px;
}

.container-narrow {
  width: min(var(--container-narrow), 100%);
  margin-inline: auto;
}

/* ----- Accessibility utilities ----- */
.skip-link {
  position: absolute;
  top: -200px;
  left: 1rem;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-inverse);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: transform var(--transition);
}

.skip-link:focus {
  top: 1rem;
  transform: translateY(0);
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.upper {
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.text-small {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.muted {
  color: var(--color-muted);
}

strong {
  font-weight: 650;
}

code,
pre,
kbd {
  font-family: var(--font-mono);
}

pre {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-soft);
  background: rgba(15, 33, 27, 0.65);
  overflow-x: auto;
}

blockquote {
  margin: 2rem 0;
  padding: 1.2rem 1.4rem;
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-soft);
  margin: 3rem 0;
}

/* ----- Global navigation (simplified) ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1.25rem;
  width: min(var(--container-max), 100%);
  margin: 0 auto;
  padding: 0.6rem clamp(1rem, 4vw, 2rem);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  color: inherit;
  text-decoration: none;
}

.brand__wordmark { font-weight: 700; font-size: clamp(1.1rem, 1.2vw + 0.9rem, 1.5rem); }
.brand__tagline { font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-muted); }

.nav {
  display: flex;
  justify-content: flex-end;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.4rem, 1vw, 1.1rem);
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-menu a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--color-text);
  background: var(--color-bg-soft);
}

@media (max-width: 900px) {
  .site-header__inner {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0.75rem;
  }
  .nav {
    width: 100%;
    justify-content: flex-start;
  }
  .nav-menu {
    justify-content: flex-start;
    gap: 0.35rem 0.6rem;
  }
}

@media (max-width: 600px) {
  .nav-menu {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }
  .nav-menu a {
    white-space: nowrap;
  }
}

@media print { .site-header { display: none !important; } }


/* ----- Buttons & badges ----- */
.btn,
.btn-secondary,
.btn-ghost,
.btn--inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn--primary {
  background: linear-gradient(130deg, var(--color-accent), var(--color-accent-strong));
  color: var(--color-inverse);
  box-shadow: var(--shadow-med);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn--ghost,
.btn-ghost {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--ghost:hover,
.btn--ghost:focus-visible,
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--color-bg-soft);
  border-color: var(--color-border-strong);
}

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

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

.btn--inline {
  padding: 0.55rem 1.1rem;
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-accent);
}

.btn--inline:hover,
.btn--inline:focus-visible {
  color: var(--color-accent-strong);
  background: var(--color-accent-soft);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: 1.2rem;
}

.eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-muted-soft);
  margin-bottom: 1rem;
}

/* ----- Hero layout ----- */
.hero {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
  padding: clamp(2rem, 6vw, 3.5rem);
  border-radius: var(--radius-lg);
  background: var(--color-bg-gradient);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(13, 127, 63, 0.05) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(248, 249, 250, 0.05) 100%);
  pointer-events: none;
}

.hero--portal {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, rgba(255, 255, 255, 0.9) 30%, var(--color-bg-soft) 70%, rgba(255, 255, 255, 0.95) 100%);
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--color-border-soft);
}

.hero--portal::before {
  background: linear-gradient(135deg, rgba(13, 127, 63, 0.08) 0%, rgba(255, 255, 255, 0.15) 50%, rgba(248, 249, 250, 0.08) 100%);
}

.hero--tools {
  background: var(--color-surface);
}

.hero__content {
  display: grid;
  gap: 1.25rem;
}

.hero__lead {
  font-size: clamp(1.1rem, 1.2vw + 0.8rem, 1.3rem);
  color: var(--color-muted);
  max-width: 44ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero__metrics {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin: 1.5rem 0 0;
}

.hero__metrics dt {
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted-soft);
  margin-bottom: 0.4rem;
}

.hero__metrics dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.hero__aside {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 3vw, 1.9rem);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.hero-panel + .hero-panel {
  margin-top: 1rem;
}

.hero-panel__intro {
  margin: 0;
  color: var(--color-muted);
}

.hero-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.hero-checklist li {
  margin: 0;
}

.hero-checklist__item {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}

.hero-checklist__title {
  font-weight: 600;
  color: var(--color-text);
}

.hero-checklist__item p {
  margin: 0;
  color: var(--color-muted);
}

.hero-panel--links {
  background: var(--color-bg-soft);
}

.hero-linklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.hero-linklist__item {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.hero-linklist__item:hover,
.hero-linklist__item:focus-visible {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
  outline: none;
}

.hero-linklist__label {
  font-weight: 600;
}

.hero-linklist__meta {
  font-size: 0.9rem;
  color: var(--color-muted);
}


@media (min-width: 1024px) {
  .hero {
    grid-template-columns: 1.35fr 1fr;
  }
}

@media (max-width: 1023px) {
  .hero {
    padding: clamp(1.5rem, 5vw, 2.4rem);
  }

  .hero__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__aside {
    order: -1;
  }

  .hero__metrics {
    grid-template-columns: 1fr;
  }
}

  /* ----- Sections & cards ----- */
  .section-intro {
    display: grid;
    gap: 0.55rem;
    max-width: 60ch;
    margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
  }

  .section-intro p {
    color: var(--color-muted);
  }

  /* ----- Breadcrumbs ----- */
  .breadcrumbs {
    margin: 0 0 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
  }

  .breadcrumbs ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.6rem;
    align-items: center;
  }

  .breadcrumbs li {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
  }

  .breadcrumbs li+li::before {
    content: "›";
    color: var(--color-muted-soft);
  }

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

  .breadcrumbs a:hover,
  .breadcrumbs a:focus-visible {
    color: var(--color-text);
    text-decoration: underline;
  }

  .section-stack {
    display: grid;
    gap: clamp(1.75rem, 4vw, 2.5rem);
    margin-block: clamp(3rem, 7vw, 4.8rem);
  }

  .section-stack > .tile-grid,
  .section-stack > .download-grid,
  .section-stack > .doc-archive {
    margin-top: -0.5rem;
  }

  .tile-grid {
    display: grid;
    gap: clamp(1.2rem, 2.5vw, 1.8rem);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .tile-grid--three {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .tile-grid--wrap {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .tile {
    position: relative;
    display: grid;
    gap: 0.65rem;
    padding: clamp(1.35rem, 3vw, 1.85rem);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    min-height: 220px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .tile:hover,
  .tile:focus-within {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg-gradient);
  }

  .tile__link:focus-visible,
  .download-card__link:focus-visible {
    outline: none;
  }

  .tile h3 {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(1.2rem, 1.8vw + 0.6rem, 1.6rem);
  }

  .tile p {
    margin: 0;
  }

  .tile__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--color-muted-soft);
  }

  .tile__link,
  .download-card__link {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    z-index: 1;
  }

  .tile--glow {
    background: var(--color-surface);
    box-shadow: var(--shadow-med);
  }

  .tile--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-lg);
    border: none;
  }

  .tile--primary h3,
  .tile--primary p,
  .tile--primary .tile__label {
    color: white;
  }

  .tile--primary:hover,
  .tile--primary:focus-within {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
  }

  .tile--outline {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
  }

  .tile--outline:hover,
  .tile--outline:focus-within {
    border-color: var(--color-border-strong);
  }

  .module {
    margin-block: clamp(3rem, 6vw, 4.5rem);
  }

  .module__surface {
    position: relative;
    display: grid;
    gap: clamp(1.4rem, 3vw, 2rem);
    padding: clamp(1.8rem, 5vw, 2.6rem);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface-glass);
    box-shadow: var(--shadow-med);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .module__header {
    display: grid;
    gap: 0.6rem;
    max-width: 60ch;
  }

  .module__header p {
    margin: 0;
    color: var(--color-muted);
  }

  .search-field {
    position: relative;
  }

  .search-input {
    width: 100%;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    box-shadow: var(--shadow-soft);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  }

  .search-input.large {
    padding-block: 1.2rem;
    font-size: 1.05rem;
  }

  .search-input::placeholder {
    color: var(--color-muted);
  }

  .search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
    background: var(--color-surface);
  }

  .search-suggestions {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    right: 0;
    display: grid;
    gap: 0.2rem;
    padding: 0.6rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-med);
    z-index: 20;
  }

  .suggestion-item {
    display: block;
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text);
    text-align: left;
    border: none;
    font-size: 0.95rem;
    transition: background var(--transition), color var(--transition);
  }

  .suggestion-item:hover,
  .suggestion-item:focus {
    background: var(--color-bg-soft);
    color: var(--color-text);
    outline: none;
  }

  .search-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
  }

  .search-meta strong {
    font-size: 1.1rem;
    color: var(--color-text);
  }

  .facet-bar {
    display: grid;
    gap: clamp(1rem, 3vw, 1.5rem);
    padding: 1.2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .facet-group {
    display: grid;
    gap: 0.55rem;
  }

  .facet-label {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-muted-soft);
  }

  .facet-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .facet-chip {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.82rem;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
  }

  .facet-chip:hover,
  .facet-chip:focus-visible {
    border-color: var(--color-accent);
    color: var(--color-accent-strong);
  }

  .facet-chip.is-active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    color: var(--color-accent-strong);
  }

  .direct-answer,
  .empty-results {
    padding: clamp(1rem, 3vw, 1.4rem);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
  }

  .direct-answer h3 {
    margin-top: 0;
    margin-bottom: 0.6rem;
  }

  .direct-answer a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.6rem;
    font-weight: 600;
    color: var(--color-accent);
  }

  .download-grid {
    display: grid;
    gap: clamp(1.2rem, 3vw, 1.8rem);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .download-card {
    position: relative;
    display: grid;
    gap: 0.65rem;
    padding: clamp(1.35rem, 3vw, 1.8rem);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    min-height: 200px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  }

  .download-card:hover,
  .download-card:focus-within {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-med);
  }

  .download-card__label {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted-soft);
  }

  .callout {
    position: relative;
    display: grid;
    gap: 1rem;
    padding: clamp(1.6rem, 4vw, 2.2rem);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
    margin-block: clamp(3rem, 6vw, 4.2rem);
  }

  .callout[data-label]::before {
    content: attr(data-label);
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted-soft);
  }

  .callout ul {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--color-muted);
  }

  .callout--external {
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    box-shadow: var(--shadow-med);
  }

  .footer {
    margin-top: clamp(2.5rem, 5vw, 3.5rem);
    padding: 2rem 0 1rem;
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-align: center;
    border-top: 1px solid var(--color-border);
  }

  @media (max-width: 720px) {
    .facet-bar {
      padding: 1rem;
    }

    .tile,
    .download-card {
      min-height: unset;
    }
  }

  /* ----- Tools & calculator ----- */
  .module--tool {
    display: grid;
    gap: clamp(1.8rem, 4vw, 2.6rem);
  }

  .module--tool .module__header {
    max-width: 52ch;
  }

  .tool-card {
    display: grid;
    gap: clamp(1.4rem, 3vw, 2rem);
    padding: clamp(1.8rem, 5vw, 2.6rem);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
  }

  .tool-card-header {
    display: grid;
    gap: 0.6rem;
  }

  .link-meta {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-muted-soft);
  }

  .calc-form {
    display: grid;
    gap: 1rem;
  }

  .calc-rows {
    display: grid;
    gap: 0.75rem;
  }

  .calc-row {
    display: grid;
    gap: 0.65rem;
    grid-template-columns: minmax(200px, 1fr) minmax(220px, 1.1fr) auto;
    align-items: center;
    padding: 0.9rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .calc-row select,
  .calc-row input[type="number"] {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  }

  .calc-row select:focus,
  .calc-row input[type="number"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-soft);
    background: var(--color-surface);
  }

  .calc-inputs {
    display: grid;
    grid-template-columns: minmax(100px, 1fr) minmax(90px, auto);
    gap: 0.6rem;
  }

  .calc-remove {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-error);
    background: var(--color-surface);
    color: var(--color-error);
    font-size: 1.2rem;
    line-height: 1;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
  }

  .calc-remove:hover,
  .calc-remove:focus-visible {
    transform: scale(1.05);
    border-color: var(--color-error);
    background: var(--color-bg-soft);
  }

  .calc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .calc-summary {
    display: grid;
    gap: 0.8rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .calc-metric {
    display: grid;
    gap: 0.2rem;
    color: var(--color-muted);
  }

  .calc-metric strong {
    font-size: 1.15rem;
    color: var(--color-text);
  }

  .calc-status {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text);
  }

  .calc-status.is-ok {
    background: var(--color-accent-soft);
  }

  .calc-status.is-warn {
    background: var(--color-warning);
    color: #000;
  }

  .calc-status.is-alert {
    background: var(--color-error);
    color: var(--color-inverse);
  }

  .calc-footnote {
    margin: 0;
    color: var(--color-muted);
  }

  @media (max-width: 820px) {
    .calc-row {
      grid-template-columns: 1fr;
      align-items: stretch;
    }

    .calc-inputs {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calc-remove {
      justify-self: end;
    }
  }

  /* ----- Document archive ----- */
  .library-header {
    display: grid;
    gap: 0.75rem;
    margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
  }

  .doc-archive {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.2rem;
  }

  .doc-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  }

  .doc-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem 1.3rem;
    color: inherit;
  }

  .doc-title {
    font-weight: 600;
    color: var(--color-text);
  }

  .doc-meta {
    font-size: 0.85rem;
    color: var(--color-muted);
  }

  .doc-item:hover,
  .doc-item:focus-within {
    transform: translateY(-2px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-med);
  }