:root {
  --c-bg: #fdfdfc;
  --c-surface: #f4f4f0;
  --c-text: #111111;
  --c-text-light: #444444;
  --c-border: #222222;
  --c-accent: #0f172a;
  --c-accent-hover: #1e293b;
  --c-error: #b91c1c;

  --f-serif: "Georgia", "Times New Roman", serif;
  --f-sans: "Helvetica Neue", "Arial", sans-serif;

  --s-4: 4px;
  --s-8: 8px;
  --s-16: 16px;
  --s-24: 24px;
  --s-40: 40px;
  --s-64: 64px;

  --z-header: 100;
  --z-nav: 90;
  --z-cookie: 200;
}

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

body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--f-sans);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--c-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--c-accent);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6, .brand-name, .nav-link {
  font-family: var(--f-serif);
  font-weight: 400;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--s-24);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--s-24);
  padding-bottom: var(--s-8);
  border-bottom: 2px solid var(--c-border);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--s-16);
}

p, ul, ol, dl {
  margin-bottom: var(--s-16);
}

ul, ol {
  padding-left: var(--s-24);
}

li {
  margin-bottom: var(--s-8);
}

[hidden] {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--s-24);
}

/* Header */
.site-header {
  height: 64px;
  border-bottom: 1px solid var(--c-border);
  background-color: var(--c-bg);
  position: relative;
  z-index: var(--z-header);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-8);
  text-decoration: none;
}

.brand-icon {
  width: 24px;
  height: 24px;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-desktop {
  display: flex;
  gap: var(--s-24);
  align-items: center;
}

.nav-link {
  text-decoration: none;
  font-size: 1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--s-16);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-8) var(--s-16);
  background-color: var(--c-text);
  color: var(--c-bg);
  text-decoration: none;
  font-family: var(--f-sans);
  font-weight: 600;
  border: 1px solid var(--c-text);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background-color: var(--c-bg);
  color: var(--c-text);
}

.btn-outline {
  background-color: transparent;
  color: var(--c-text);
}

.btn-outline:hover {
  background-color: var(--c-text);
  color: var(--c-bg);
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--c-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Mobile Nav Overlay */
.nav-mobile-overlay {
  display: none;
}

/* Editorial Layout / Sections */
.section {
  padding: var(--s-64) 0;
  border-bottom: 1px solid var(--c-border);
}

.section-hero {
  padding: var(--s-64) 0;
  background-color: var(--c-surface);
  border-bottom: 2px solid var(--c-border);
}

.hero-content {
  max-width: 800px;
}

.hero-lead {
  font-size: 1.25rem;
  font-family: var(--f-serif);
  color: var(--c-text-light);
  margin-bottom: var(--s-40);
}

.grid-guides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-40);
  margin-top: var(--s-40);
}

.grid-guides > * {
  min-width: 0;
}

/* Framed Canvas Card */
.card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.card-frame {
  position: absolute;
  top: var(--s-16);
  left: var(--s-16);
  width: 100%;
  height: 100%;
  border: 1px solid var(--c-border);
  background-color: var(--c-surface);
  z-index: 1;
}

.card-content {
  position: relative;
  z-index: 2;
  background-color: var(--c-bg);
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.25s ease;
}

.card:hover .card-content {
  transform: translate(-8px, -8px);
}

.card-media {
  border-bottom: 1px solid var(--c-border);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: var(--s-24);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-family: var(--f-serif);
  font-size: 1.25rem;
  margin-bottom: var(--s-8);
}

.card-desc {
  color: var(--c-text-light);
  margin-bottom: var(--s-24);
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  border-top: 1px solid var(--c-border);
  padding-top: var(--s-16);
  margin-top: auto;
}

.meta-label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 12px;
}

/* Article Page Layout */
.article-header {
  padding: var(--s-64) 0 var(--s-40);
  border-bottom: 2px solid var(--c-border);
  background-color: var(--c-surface);
}

.article-meta {
  display: flex;
  gap: var(--s-24);
  font-family: var(--f-sans);
  color: var(--c-text-light);
  margin-bottom: var(--s-24);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--s-64) 0;
}

.article-body h2 {
  margin-top: var(--s-64);
}

.article-body h3 {
  margin-top: var(--s-40);
}

.article-body img {
  border: 1px solid var(--c-border);
  margin: var(--s-40) 0;
}

/* Two column layout for article specs */
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-24);
  margin: var(--s-40) 0;
  padding: var(--s-24);
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
}

.spec-grid > * {
  min-width: 0;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-title {
  font-family: var(--f-serif);
  font-weight: bold;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: var(--s-8);
  margin-bottom: var(--s-8);
}

/* Forms */
.form-group {
  margin-bottom: var(--s-24);
}

.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: var(--s-8);
  font-family: var(--f-serif);
}

.form-control {
  width: 100%;
  padding: var(--s-16);
  border: 1px solid var(--c-border);
  background-color: var(--c-bg);
  font-family: var(--f-sans);
  font-size: 1rem;
  color: var(--c-text);
  border-radius: 0;
}

.form-control.is-invalid {
  border-color: var(--c-error);
}

.error-message {
  display: none;
  color: var(--c-error);
  font-size: 0.875rem;
  margin-top: var(--s-8);
}

.is-invalid + .error-message {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-24);
}

/* Static Map Block */
.map-block {
  width: 100%;
  height: 300px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-40);
  background-image: radial-gradient(var(--c-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: var(--s-40) 0;
  border: 1px solid var(--c-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

th, td {
  padding: var(--s-16);
  border: 1px solid var(--c-border);
  text-align: left;
}

th {
  background-color: var(--c-surface);
  font-family: var(--f-serif);
}

/* Footer */
.site-footer {
  background-color: var(--c-surface);
  border-top: 2px solid var(--c-border);
  padding: var(--s-64) 0 var(--s-40);
  margin-top: var(--s-64);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--s-40);
  margin-bottom: var(--s-64);
}

.footer-col h4 {
  margin-bottom: var(--s-16);
  font-family: var(--f-serif);
}

.footer-link {
  display: block;
  margin-bottom: var(--s-8);
  text-decoration: none;
  color: var(--c-text-light);
}

.footer-link:hover {
  color: var(--c-text);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: var(--s-24);
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-16);
  color: var(--c-text-light);
  font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--c-bg);
  border-top: 2px solid var(--c-border);
  padding: var(--s-24);
  z-index: var(--z-cookie);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.1);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--s-16);
}

.cookie-text {
  font-size: 0.875rem;
}

.cookie-actions {
  display: flex;
  gap: var(--s-16);
  flex-wrap: wrap;
}

/* Responsive Breakpoints */
@media (max-width: 767px) {
  .site-header {
    height: 52px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }

  .nav-mobile-overlay.is-visible {
    display: block;
    position: absolute;
    top: 52px;
    left: 0;
    width: 100%;
    background-color: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    padding: var(--s-24);
    z-index: var(--z-nav);
  }

  .nav-mobile-overlay .nav-link {
    display: block;
    padding: var(--s-16) 0;
    border-bottom: 1px solid var(--c-surface);
    font-size: 1.25rem;
  }
  
  .header-cta {
    display: none;
  }

  .card-frame {
    top: 0;
    left: 0;
  }

  .card:hover .card-content {
    transform: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .cookie-inner {
    flex-direction: column;
  }
}

@media (max-width: 399px) {
  :root {
    --s-64: 48px;
    --s-40: 32px;
  }
  
  .container {
    padding: 0 var(--s-16);
  }

  .article-meta {
    flex-direction: column;
    gap: var(--s-8);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}