/* ============================================
   Designeuses — La base.
   CSS principal — v1.0
   ============================================ */

/* --- Import Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playwrite+NZ:wght@100..400&family=Source+Serif+4:ital,opsz,wght@0,8..60,300..700;1,8..60,300..700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* --- Variables --- */
:root {
  --color-accent: #284400;
  --color-accent-light: #3a6600;
  --color-accent-bg: #f4f7ef;
  --color-accent-bg-hover: #eaf0df;
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-text-light: #777;
  --color-bg: #fafaf8;
  --color-white: #ffffff;
  --color-border: #e0e0d8;
  --color-border-light: #eeeeea;
  --color-highlight: #fffde6;

  --font-display: 'Playwrite NZ', cursive;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-width: 720px;
  --max-width-wide: 1080px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);

  --transition: 0.2s ease;
}

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

/* --- Base --- */
html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.72;
  min-height: 100vh;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 1.35rem;
  font-weight: 300;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border-light);
}

h3 {
  font-size: 1.1rem;
  font-weight: 300;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

p {
  margin-bottom: var(--spacing-sm);
  max-width: 65ch;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

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

strong {
  font-weight: 600;
}

small {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- ASCII separator --- */
.separator {
  text-align: center;
  color: var(--color-text-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  margin: var(--spacing-lg) 0;
  user-select: none;
}

/* --- Layout --- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-sm);
  background: var(--color-white);
}

.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-text);
  text-decoration: none;
}

.site-title:hover {
  color: var(--color-accent);
}

.site-title span {
  color: var(--color-accent);
}

/* --- Navigation --- */
.main-nav {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text);
  cursor: pointer;
}

/* --- Main Content --- */
.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-sm);
}

.site-main--wide {
  max-width: var(--max-width-wide);
}

/* --- Article --- */
.article-header {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: none;
}

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

.breadcrumb .sep {
  margin: 0 0.4em;
  opacity: 0.5;
}

.subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--spacing-xs);
  max-width: 55ch;
}

.reading-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-content {
  margin-bottom: var(--spacing-xl);
}

.article-content p {
  margin-bottom: 1.1rem;
}

.article-content ul,
.article-content ol {
  margin: var(--spacing-sm) 0;
  padding-left: 1.3rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  max-width: 60ch;
}

/* --- Callout boxes --- */
.callout {
  background: var(--color-accent-bg);
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.callout-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* --- Interactive checklist --- */
.checklist {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.checklist-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.checklist-title .toggle-icon {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.checklist-title.open .toggle-icon {
  transform: rotate(180deg);
}

.checklist-items {
  list-style: none;
  padding: 0;
}

.checklist-items.collapsed {
  display: none;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity var(--transition);
}

.checklist-item:last-child {
  border-bottom: none;
}

.checklist-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  top: 2px;
  transition: all var(--transition);
}

.checklist-item input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checklist-item input[type="checkbox"]:checked::after {
  content: '✓';
  color: white;
  font-size: 12px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.checklist-item.checked label {
  text-decoration: line-through;
  opacity: 0.5;
}

.checklist-progress {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  text-align: right;
}

/* --- Toggle / Details --- */
.toggle-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: var(--spacing-md) 0;
  overflow: hidden;
}

.toggle-block summary {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  background: var(--color-white);
  color: var(--color-accent);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background var(--transition);
}

.toggle-block summary:hover {
  background: var(--color-accent-bg);
}

.toggle-block summary::before {
  content: '▸';
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.toggle-block[open] summary::before {
  transform: rotate(90deg);
}

.toggle-block .toggle-content {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.95rem;
}

/* --- Summary box --- */
.summary-box {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.summary-box-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.summary-box ul {
  list-style: none;
  padding: 0;
}

.summary-box li {
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.summary-box li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* --- Video placeholder --- */
.video-zone {
  background: var(--color-accent-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  text-align: center;
  color: var(--color-text-light);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* --- Internal links --- */
.related-links {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.related-links-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.related-links ul {
  list-style: none;
  padding: 0;
}

.related-links li {
  margin-bottom: 0.6rem;
}

.related-links a {
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.related-links a::before {
  content: '→';
  color: var(--color-accent);
  font-size: 0.8rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.6rem 1.2rem;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--filled {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--filled:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: var(--color-white);
}

/* --- Homepage specifics --- */
.hero {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: var(--spacing-sm);
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 50ch;
  line-height: 1.65;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
}

.category-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.category-card-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
}

.category-card h2 {
  font-size: 1.1rem;
  margin: 0 0 var(--spacing-xs) 0;
  padding: 0;
  border: none;
  color: var(--color-accent);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Quick access */
.quick-access {
  margin: var(--spacing-xl) 0;
}

.quick-access-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.quick-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: all var(--transition);
}

.quick-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* --- Category hub page --- */
.category-hub-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.category-hub-list li {
  border-bottom: 1px solid var(--color-border-light);
}

.category-hub-list a {
  display: block;
  padding: var(--spacing-sm) 0;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition);
}

.category-hub-list a:hover {
  color: var(--color-accent);
}

.category-hub-list .page-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.2rem;
}

/* --- Example block --- */
.example-block {
  background: var(--color-highlight);
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-size: 0.95rem;
}

.example-block-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

/* --- Table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
  font-weight: 500;
}

.data-table tbody tr:hover {
  background: var(--color-accent-bg);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-sm);
  margin-top: var(--spacing-xl);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.site-footer a {
  color: var(--color-text-light);
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  h1 {
    font-size: 1.7rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding-top: var(--spacing-sm);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-toggle {
    display: block;
  }

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

  .data-table {
    font-size: 0.82rem;
  }

  .data-table th,
  .data-table td {
    padding: 0.4rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .quick-links {
    flex-direction: column;
  }

  .quick-links a {
    text-align: center;
  }
}

/* --- Print --- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .video-zone,
  .btn {
    display: none;
  }

  body {
    font-size: 12pt;
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}