/* ==========================================================================
   Anchored Development — Grand Budapest Hotel Design System
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  /* Palette */
  --warm-cream:       #FAF3EB;
  --medium-aubergine: #5C3A5C;
  --dark-aubergine:   #4A2E4A;
  --dusty-rose:       #D4909A;
  --lavender:         #B8B0D2;
  --sage-green:       #8BB5A2;
  --pale-mauve:       #E8D0D9;
  --mendl-pink:       #F6C4D2;
  --regal-purple:     #75638B;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Libre Baskerville', Georgia, serif;
  --font-ui:      'Jost', 'Futura', sans-serif;

  /* Layout */
  --content-width: 720px;
  --content-padding: 2rem;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--warm-cream);
  color: var(--dark-aubergine);
  line-height: 1.8;
  text-align: left;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--medium-aubergine);
  line-height: 1.3;
  text-align: center;
}

h1 {
  font-size: 2.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 2.5rem 0 1rem;
}

h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 4.5rem 0 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--pale-mauve);
}

/* Ornamental divider above h2 — chapter break */
.spec-content h2::before,
.page-content h2::before {
  content: '◆';
  display: block;
  text-align: center;
  font-size: 0.5rem;
  letter-spacing: 0.8em;
  color: var(--pale-mauve);
  margin-bottom: 0.75rem;
  background:
    linear-gradient(var(--pale-mauve), var(--pale-mauve)) left center / calc(50% - 2em) 1px no-repeat,
    linear-gradient(var(--pale-mauve), var(--pale-mauve)) right center / calc(50% - 2em) 1px no-repeat;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  font-style: italic;
  margin: 2rem 0 0.75rem;
  color: var(--regal-purple);
}

h4, h5, h6 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
}

p {
  margin: 0 0 1.4em;
  max-width: 65ch;
}

strong {
  font-weight: 700;
}

em {
  font-style: italic;
}

/* --- Links --- */
a {
  color: var(--sage-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

a:visited {
  color: var(--regal-purple);
}

/* --- Heading Anchor Links --- */
.header-anchor {
  color: inherit;
  text-decoration: none;
}

/* --- Site Header & Navigation --- */
.site-header {
  padding: 1.2rem var(--content-padding);
  border-bottom: 1px solid var(--pale-mauve);
  background-color: var(--warm-cream);
}

.site-nav {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--dark-aubergine);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-link:visited {
  color: var(--dark-aubergine);
}

.nav-link:hover {
  color: var(--sage-green);
  border-bottom-color: var(--sage-green);
  text-decoration: none;
}

.nav-link--active {
  border-bottom-color: var(--dusty-rose);
}

/* --- Hero Section --- */
.hero {
  padding: 5rem var(--content-padding) 4rem;
  text-align: center;
  background: linear-gradient(
    160deg,
    var(--lavender) 0%,
    var(--mendl-pink) 100%
  );
}

.hero-frame {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding: 2.5rem 3rem;
  border: 2px solid var(--dark-aubergine);
}

/* Inner ornamental border */
.hero-frame::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid var(--dark-aubergine);
  pointer-events: none;
}

.hero-icon {
  display: block;
  margin: 0 auto 1.5rem;
  border-radius: 8px;
}

.hero-title {
  font-size: 2.2rem;
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--medium-aubergine);
  max-width: 480px;
  margin: 0 auto;
}

/* --- Content Containers --- */
.spec-content,
.page-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 3rem var(--content-padding) 4rem;
}

/* Remove the duplicate h1 that comes from the spec markdown */
.spec-content > h1:first-child {
  display: none;
}

.page-header {
  text-align: center;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pale-mauve);
}

.page-title {
  margin: 1rem 0 0;
}

/* --- Blockquotes --- */
blockquote {
  border-left: 3px solid var(--dusty-rose);
  margin: 1.5em 0;
  padding: 0.75em 1.5em;
  font-style: italic;
  color: var(--regal-purple);
  background-color: rgba(232, 208, 217, 0.15);
}

blockquote p {
  margin-bottom: 0.5em;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
}

thead th {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: left;
  padding: 0.75em 1em;
  border-bottom: 2px solid var(--dark-aubergine);
  background-color: var(--lavender);
  color: var(--dark-aubergine);
}

td {
  padding: 0.6em 1em;
  border-bottom: 1px solid var(--pale-mauve);
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background-color: rgba(232, 208, 217, 0.15);
}

/* --- Code --- */
code {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
  font-size: 0.88em;
}

/* Inline code */
p code,
li code,
td code,
h3 code,
h4 code {
  background-color: var(--pale-mauve);
  color: var(--dark-aubergine);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* Code blocks */
pre {
  background-color: var(--dark-aubergine);
  color: var(--warm-cream);
  padding: 1.5em;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1.5em 0;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.85rem;
}

/* --- Syntax Highlighting (Prism-compatible, GBH palette) --- */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--lavender);
  font-style: italic;
}

.token.punctuation {
  color: var(--pale-mauve);
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol {
  color: var(--dusty-rose);
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin {
  color: var(--sage-green);
}

.token.operator,
.token.entity,
.token.url {
  color: var(--mendl-pink);
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: var(--dusty-rose);
  font-weight: 700;
}

.token.function,
.token.class-name {
  color: #E8C87A;
}

.token.regex,
.token.important,
.token.variable {
  color: var(--dusty-rose);
}

/* --- Lists --- */
ul, ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.4em;
}

li::marker {
  color: var(--dusty-rose);
}

ul ul, ol ol, ul ol, ol ul {
  margin-top: 0.3em;
  margin-bottom: 0.3em;
}

/* --- Horizontal Rules --- */
hr {
  border: none;
  height: 1px;
  background-color: var(--pale-mauve);
  max-width: 200px;
  margin: 3rem auto;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--pale-mauve);
  padding: 2rem var(--content-padding);
  margin-top: 3rem;
}

.footer-content {
  max-width: var(--content-width);
  margin: 0 auto;
  text-align: center;
}

.footer-content p {
  max-width: none;
}

.site-footer p {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--regal-purple);
  margin-bottom: 0.5em;
}

.site-footer a {
  color: var(--sage-green);
}

.site-footer a:visited {
  color: var(--sage-green);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --content-padding: 1.25rem;
  }

  h1, .hero-title {
    font-size: 1.6rem;
    letter-spacing: 0.06em;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .hero {
    padding: 3rem var(--content-padding) 2.5rem;
  }

  .hero-frame {
    padding: 1.5rem;
  }

  .hero-icon {
    width: 80px;
    height: 80px;
  }

  .hero-tagline {
    font-size: 0.9rem;
  }

  .site-nav {
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
  }

  table {
    font-size: 0.8rem;
  }

  thead th,
  td {
    padding: 0.5em 0.6em;
  }

  pre {
    padding: 1em;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .site-nav {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }
}