/* ===================================================
   Roy Chadwick — Avro's Great Designer
   A biography by Margaret Dove (2006)
   =================================================== */

:root {
  --color-bg: #FAFAF7;
  --color-text: #1A1A1A;
  --color-text-muted: #555;
  --color-accent: #003366;
  --color-accent-light: #004d99;
  --color-gold: #B8860B;
  --color-border: #ddd;
  --color-caption: #444;
  --color-footer-bg: #f0efe9;
  --font-body: 'Lora', Georgia, 'Times New Roman', serif;
  --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --max-width: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a1a;
    --color-text: #e0ddd5;
    --color-text-muted: #aaa;
    --color-accent: #6fa8dc;
    --color-accent-light: #8fc0ef;
    --color-gold: #d4a840;
    --color-border: #333;
    --color-caption: #bbb;
    --color-footer-bg: #222;
  }
}

/* === Base === */

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}

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

/* === Skip link === */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  z-index: 100;
  font-family: var(--font-heading);
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

/* === Header === */

.site-header {
  text-align: center;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  background: linear-gradient(180deg, #d6e8f5 0%, var(--color-bg) 100%);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: linear-gradient(180deg, #1e2a3a 0%, var(--color-bg) 100%);
  }
}

.site-header img {
  margin: 0 auto var(--space-md);
}

.site-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--color-text);
}

.site-header .subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  margin: var(--space-xs) 0 0;
  color: var(--color-text-muted);
}

.site-header .dates {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  margin: var(--space-xs) 0 0;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.header-portrait {
  margin: var(--space-md) auto 0;
  max-width: 370px;
}

.header-portrait img {
  border-radius: 4px;
}

/* === Main content === */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* === Pull-quote === */

.pull-quote {
  margin: 0 0 var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--color-gold);
  background: var(--color-footer-bg);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.7;
}

.pull-quote p {
  margin: 0 0 var(--space-xs);
}

.pull-quote cite {
  display: block;
  font-size: 0.9rem;
  font-style: normal;
  color: var(--color-text-muted);
}

/* === Intro === */

.intro {
  margin-bottom: var(--space-lg);
}

.intro p:first-child {
  font-size: 1.15rem;
}

.intro ul {
  padding-left: 1.5em;
}

.intro li {
  margin-bottom: var(--space-xs);
}

/* === Table of contents === */

.toc {
  margin-bottom: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-footer-bg);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.toc summary {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  color: var(--color-text);
}

.toc ol {
  margin: var(--space-sm) 0 0;
  padding-left: 1.5em;
  columns: 2;
  column-gap: var(--space-lg);
}

@media (max-width: 500px) {
  .toc ol { columns: 1; }
}

.toc li {
  font-size: 0.95rem;
  padding: 2px 0;
  break-inside: avoid;
}

/* === Biography sections === */

.bio-section {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.bio-section:last-child {
  border-bottom: none;
}

.bio-section h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-gold);
}

.bio-section p {
  margin: 0 0 var(--space-md);
}

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

/* === Figures === */

figure {
  margin: 0 0 var(--space-md);
}

figure img {
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: dark) {
  figure img {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }
}

figcaption {
  margin-top: var(--space-xs);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-caption);
  line-height: 1.5;
}

/* On wider screens, float smaller figures beside text */
@media (min-width: 768px) {
  .bio-section figure {
    float: left;
    margin: 0 var(--space-md) var(--space-sm) 0;
    max-width: 280px;
  }

  .bio-section figure.inline-figure {
    max-width: 200px;
  }

  /* Clear floats */
  .bio-section::after {
    content: '';
    display: table;
    clear: both;
  }
}

/* === Broadcast article === */

.broadcast {
  margin-bottom: var(--space-xl);
}

.broadcast p {
  margin: 0 0 var(--space-md);
}

.broadcast p:last-child {
  margin-bottom: 0;
  font-style: italic;
}

/* === Back link === */

.back-link {
  margin-bottom: var(--space-xl);
  font-family: var(--font-heading);
  font-size: 1rem;
}

/* === Useful links === */

.useful-links {
  max-width: var(--max-width);
  margin: 0 auto var(--space-lg);
  padding: var(--space-md);
  background: var(--color-footer-bg);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.useful-links h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
}

.useful-links ul {
  margin: 0;
  padding-left: 1.5em;
}

.useful-links li {
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
}

/* === Footer === */

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  border-top: 2px solid var(--color-gold);
}

.memorial {
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: var(--color-footer-bg);
  border-radius: 6px;
  border-left: 3px solid var(--color-gold);
}

.memorial p {
  margin: 0;
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.attribution {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.attribution p {
  margin: var(--space-xs) 0;
}

.old-url {
  font-family: monospace;
  font-size: 0.85rem;
}

/* === Lightbox === */

.lightbox {
  border: none;
  border-radius: 8px;
  padding: 0;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--color-bg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  background: var(--color-bg);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  z-index: 1;
}

.lightbox-close:hover {
  background: var(--color-border);
}

.lightbox-img {
  display: block;
  max-width: 85vw;
  max-height: 75vh;
  border-radius: 4px 4px 0 0;
}

.lightbox-caption {
  padding: var(--space-sm) var(--space-md);
  margin: 0;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-caption);
  text-align: center;
}

/* === Scroll animations === */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* === Print styles === */

@media print {
  .skip-link,
  .toc,
  .back-link {
    display: none;
  }

  body {
    font-size: 11pt;
    line-height: 1.6;
    color: #000;
    background: #fff;
  }

  .site-header {
    background: none;
    padding: 1cm 0;
    page-break-after: avoid;
  }

  .bio-section {
    page-break-inside: avoid;
  }

  .bio-section figure {
    float: none;
    max-width: 100%;
    margin: 0.5cm 0;
  }

  figure img {
    box-shadow: none;
    border: 1px solid #ccc;
    max-height: 8cm;
    width: auto;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  .site-footer a[href]::after,
  .intro a[href]::after {
    content: '';
  }

  .memorial {
    border-left-color: #999;
    background: #f5f5f5;
  }
}