/* ============================================
   RAFAEL NEPÔ — DESIGN SYSTEM
   Monocle-inspired + #FFDC1E accent
   Playfair Display headlines
   Material Symbols Rounded icons
   ============================================ */

:root {
  --font-serif: 'Cormorant Garamond', 'M PLUS Rounded 1c', 'Georgia', serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --font-sans: 'Cormorant Garamond', 'M PLUS Rounded 1c', 'Georgia', serif;

  --text-base: 22px;
  --text-small: 14px;
  --text-xs: 12px;

  --line-height-tight: 1.3;
  --line-height-normal: 1.75;
  --line-height-loose: 1.9;

  --color-text: #1a1a1a;
  --color-text-light: #666;
  --color-bg: #ffffff;
  --color-bg-subtle: #f8f8f6;
  --color-border: #e0e0e0;
  --color-accent: #FFDC1E;
  --color-accent-dark: #f0c814;
  --color-accent-subtle: rgba(255, 220, 30, 0.15);

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;

  --width-article: 620px;
  --transition: 0.2s ease-in-out;
}

/* ============================================
   DARK MODE
   ============================================ */

:root[data-theme="dark"] {
  --color-text: #e8e4dc;
  --color-text-light: #888;
  --color-bg: #111110;
  --color-bg-subtle: #1a1a18;
  --color-border: #2a2a28;
}

[data-theme="dark"] code { background-color: #1e1e1c !important; }
[data-theme="dark"] pre  { background-color: #1e1e1c !important; border-color: #2a2a28 !important; }


/* ============================================
   TEXT SELECTION
   ============================================ */

::selection {
  background-color: var(--color-accent);
  color: #1a1a1a;
}

/* ============================================
   RESET
   ============================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: var(--text-base); scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "liga" 1, "kern" 1;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   HEADER — Monocle style
   ============================================ */

.site-header {
  padding-top: var(--space-lg);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.site-nameplate {
  padding: var(--space-md) 0;
  border-top: 2px solid var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.site-nameplate a {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition);
}

.site-nameplate a:hover {
  background-color: var(--color-accent);
  color: #1a1a1a;
  padding: 2px 6px;
  margin: -2px -6px;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 2px solid var(--color-text);
  gap: 0;
}

.main-nav a {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-light);
  padding: 0 var(--space-md);
  border-right: 1px solid var(--color-border);
  transition: color var(--transition);
  white-space: nowrap;
}

.main-nav a:last-of-type { border-right: none; }

.main-nav a:hover {
  color: var(--color-text);
  background: none;
  padding: 0 var(--space-md);
  margin: 0;
}

.main-nav a.active { color: var(--color-text); }

/* ============================================
   LANDING PAGE
   ============================================ */

.landing-page {
  max-width: var(--width-article);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.landing-intro {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.landing-intro p {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: var(--line-height-loose);
  font-style: italic;
  color: var(--color-text-light);
  margin: 0;
}

.landing-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.section-card {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}

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

.section-card:hover {
  background: none;
  padding: var(--space-md) 0;
  margin: 0;
}

.section-card:hover .section-card-label {
  color: var(--color-text);
}

.section-card:hover .section-card-arrow {
  transform: translateX(4px);
  color: var(--color-text);
}

.section-card-label {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  min-width: 120px;
  color: var(--color-text);
  transition: color var(--transition);
}

.section-card-desc {
  font-size: var(--text-small);
  color: var(--color-text-light);
  flex: 1;
}

.section-card-arrow {
  font-size: 18px !important;
  color: var(--color-accent);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
  font-feature-settings: "liga" 1, "kern" 1, "dlig" 1;
}

h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4, h5, h6 { font-size: 1.1rem; }

p { margin-bottom: var(--space-md); line-height: var(--line-height-normal); }

.article-body > p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 600;
  line-height: 0.8;
  float: left;
  margin-right: 8px;
  margin-top: 6px;
}

strong, b { font-weight: 600; }
em, i { font-style: italic; }

mark {
  background-color: var(--color-accent);
  color: #1a1a1a;
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: 500;
}

/* ============================================
   LINKS
   ============================================ */

a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: all var(--transition);
}

a:hover {
  background-color: var(--color-accent);
  color: #1a1a1a;
  padding: 1px 3px;
  margin: -1px -3px;
  text-decoration-color: transparent;
}

a:visited { opacity: 0.75; }

/* ============================================
   LISTS
   ============================================ */

ul, ol { margin-left: var(--space-lg); margin-bottom: var(--space-md); }
li { margin-bottom: var(--space-sm); line-height: var(--line-height-normal); }

/* ============================================
   BLOCKQUOTE
   ============================================ */

blockquote {
  margin: var(--space-xl) 0;
  padding: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: var(--line-height-loose);
  overflow: hidden;
}

blockquote::before {
  content: '\201C';
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-accent);
  line-height: 0.85;
  float: left;
  margin-right: var(--space-md);
  font-style: normal;
}

blockquote p { margin-bottom: 0; }

blockquote p:last-child {
  text-align: right;
  font-style: normal;
  font-size: var(--text-small);
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}

/* ============================================
   CODE
   ============================================ */

code {
  font-family: var(--font-mono);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.88rem;
}

pre {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
}

pre code { background: transparent; border: none; padding: 0; }

/* ============================================
   HR
   ============================================ */

hr {
  border: none;
  margin: var(--space-2xl) auto;
  text-align: center;
}

hr::after {
  content: '—';
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  letter-spacing: 0.5em;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.article-container {
  width: 100%;
  max-width: var(--width-article);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   ARTICLE META
   ============================================ */

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--text-small);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.article-date,
.article-author {
  display: inline-flex;
  align-items: center;
}

.article-tags {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-block;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  padding: 3px 10px;
  border-radius: 2px;
  font-size: var(--text-xs);
  font-weight: 500;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}

.tag:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #1a1a1a;
  opacity: 1;
  padding: 3px 10px;
  margin: 0;
}

/* ============================================
   ARTICLE BODY
   ============================================ */

article { margin-bottom: var(--space-2xl); }

.article-title {
  margin-top: 0;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: var(--space-xl) 0;
  border-radius: 2px;
}

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

figcaption {
  font-size: var(--text-small);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
  font-style: italic;
}

.author-bio {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
  font-size: var(--text-small);
  color: var(--color-text-light);
}

/* ============================================
   BLOG LISTING
   ============================================ */

.latest-article {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 2px solid var(--color-accent);
}

.latest-article .article-title { font-size: 2.2rem; }

.latest-label {
  display: inline-block;
  background-color: var(--color-accent);
  color: #1a1a1a;
  padding: 3px var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  border-radius: 2px;
}

.article-excerpt {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: var(--line-height-loose);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.article-list { list-style: none; }

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

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

.article-list-item-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  margin-top: 0;
}

.article-list-item-title a {
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 1px;
}

.article-list-item-title a:hover {
  background-color: var(--color-accent);
  color: #1a1a1a;
  border-color: transparent;
  padding: 1px 4px 1px;
  margin: 0 -4px;
}

.article-list-meta {
  font-size: var(--text-small);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

/* ============================================
   ICONS
   ============================================ */

.icon {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  font-size: 16px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  vertical-align: -3px;
  font-feature-settings: 'liga';
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
  color: var(--color-text);
  margin-right: 4px;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  margin-top: var(--space-2xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  font-size: var(--text-small);
  color: var(--color-text-light);
  text-align: center;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  :root {
    --text-base: 17px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .main-nav a { padding: 0 var(--space-sm); font-size: 11px; }

  .section-card { flex-wrap: wrap; gap: var(--space-xs); }
  .section-card-desc { min-width: 100%; }

  .article-body > p:first-of-type::first-letter { font-size: 3rem; }
}

@media (max-width: 480px) {
  :root { --text-base: 16px; }

  h1 { font-size: 1.7rem; }

  .main-nav { flex-wrap: wrap; gap: var(--space-xs); }
  .main-nav a { border-right: none; }
}

/* ============================================
   PRINT
   ============================================ */

@media print {
  .site-header, footer { display: none; }
  body { font-size: 12pt; color: #000; }
  a { text-decoration: none; color: #000; }
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 0 0 var(--space-md);
  margin-left: var(--space-sm);
  border-left: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  transition: opacity var(--transition);
}

.theme-toggle:hover { opacity: 0.6; }

.theme-toggle .icon {
  font-size: 18px;
  color: var(--color-text-light);
  margin-right: 0;
  vertical-align: -4px;
  transition: color var(--transition);
}

.theme-toggle:hover .icon { color: var(--color-text); }

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-meta-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-small);
}

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

.about-meta-label {
  min-width: 100px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--text-xs);
  font-weight: 500;
  flex-shrink: 0;
}