/* The Discipline of Care: Code beyond Correctness — Article Styles
   (slug: code-as-creative-expression — retained for SEO continuity)
   Extracted from inline <style> for CSP compliance */

:root {
  --bg-primary: #0a0a0c;
  --bg-secondary: #101014;
  --bg-accent: #16161c;
  --text-primary: #d8d4cc;
  --text-secondary: #9a9590;
  --text-muted: #5e5a55;
  --accent-gold: #b8965a;
  --accent-gold-dim: rgba(184, 150, 90, 0.15);
  --accent-gold-glow: rgba(184, 150, 90, 0.06);
  --rule-color: rgba(184, 150, 90, 0.2);
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'EB Garamond', 'Georgia', serif;
  --font-accent: 'Cormorant Garamond', 'Georgia', serif;
  --measure: 68ch;
  --space-unit: 1.618rem;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.82;
  letter-spacing: 0.01em;
  min-height: 100vh;
}

/* --- Noise texture overlay --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 100;
}

/* ── Site-wide Navigation Header ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 1000;
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
  transition: background-color 0.5s cubic-bezier(0.16,1,0.3,1);
}

.site-nav-logo { display: flex; align-items: center; text-decoration: none; }
.site-nav-logo-img { height: 55px; width: auto; filter: brightness(1.6) saturate(1.6); transition: opacity 0.2s; }
.site-nav-logo:hover .site-nav-logo-img { opacity: 0.7; }
.site-nav-menu { display: flex; gap: 2rem; list-style: none; margin: 0; }
.site-nav-menu a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem; letter-spacing: 0.15em; text-transform: uppercase; color: #d2d2d7; text-decoration: none; transition: color 0.35s, opacity 0.2s; position: relative;
}
.site-nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background-color: #fff; transition: width 0.4s cubic-bezier(0.16,1,0.3,1);
}
.site-nav-menu a:hover { color: #fff; opacity: 1; }
.site-nav-menu a:hover::after { width: 100%; }
.site-nav-toggle { display: none; flex-direction: column; gap: 6px; width: 24px; height: 20px; justify-content: center; background: none; border: none; cursor: pointer; padding: 0; }
.site-nav-toggle span { display: block; width: 100%; height: 1px; background-color: #fff; transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94); }
.site-nav-toggle.active span:first-child { transform: rotate(45deg) translate(5px, 5px); }
.site-nav-toggle.active span:last-child { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 1024px) {
  .site-nav-menu {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background-color: rgba(10,10,12,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity 0.4s cubic-bezier(0.16,1,0.3,1), visibility 0.4s cubic-bezier(0.16,1,0.3,1), transform 0.4s cubic-bezier(0.16,1,0.3,1);
  }
  .site-nav-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav-menu a { font-size: 0.85rem; }
  .site-nav-menu a::after { display: none; }
  .site-nav-toggle { display: flex; }
}
/* ── End Site-wide Navigation Header ── */

/* --- Scroll progress bar --- */
.progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 1001;
  background: transparent;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-gold-dim), var(--accent-gold));
  transition: width 60ms ease-out;
}

/* --- Header / Hero --- */
.hero {
  padding: calc(var(--space-unit) * 6) calc(var(--space-unit) * 2) calc(var(--space-unit) * 4);
  padding-top: calc(64px + var(--space-unit) * 4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.hero-label {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: calc(var(--space-unit) * 1.5);
  opacity: 0;
  animation: fadeUp 1s 0.2s ease forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.18;
  color: var(--text-primary);
  max-width: 16ch;
  margin: 0 auto;
  opacity: 0;
  animation: fadeUp 1s 0.45s ease forwards;
}

.hero-subtitle {
  font-family: var(--font-accent);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-secondary);
  margin-top: calc(var(--space-unit) * 1.2);
  letter-spacing: 0.02em;
  opacity: 0;
  animation: fadeUp 1s 0.7s ease forwards;
}

.hero-meta {
  font-family: var(--font-accent);
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: calc(var(--space-unit) * 2);
  opacity: 0;
  animation: fadeUp 1s 0.95s ease forwards;
}

/* --- Article body --- */
.article {
  max-width: var(--measure);
  margin: 0 auto;
  padding: calc(var(--space-unit) * 3) calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 5);
}

.article p {
  margin-bottom: var(--space-unit);
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Section headings */
.section-heading {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: calc(var(--space-unit) * 3.5);
  margin-bottom: calc(var(--space-unit) * 1.6);
  position: relative;
  padding-bottom: calc(var(--space-unit) * 0.6);
}

.section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--accent-gold);
}

/* Section dividers */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: calc(var(--space-unit) * 3) 0;
  gap: 1.2rem;
}
.divider span {
  display: block;
  width: 4px;
  height: 4px;
  background: var(--accent-gold);
  border-radius: 50%;
  opacity: 0.5;
}
.divider span:nth-child(2) {
  opacity: 0.8;
  width: 5px;
  height: 5px;
}

/* Drop cap on first paragraph */
.drop-cap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 4.2rem;
  font-weight: 500;
  line-height: 0.78;
  padding-right: 0.12em;
  margin-top: 0.08em;
  color: var(--accent-gold);
}

/* Emphasis and italics */
em {
  font-style: italic;
  color: var(--text-primary);
}

/* Pull quote */
.pull-quote {
  margin: calc(var(--space-unit) * 2.5) 0;
  padding: calc(var(--space-unit) * 1.2) 0;
  padding-left: calc(var(--space-unit) * 1.5);
  border-left: 2px solid var(--accent-gold);
  font-family: var(--font-accent);
  font-size: 1.25rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* --- Footer / Sign-off --- */
.sign-off {
  text-align: center;
  padding: calc(var(--space-unit) * 4) 0 calc(var(--space-unit) * 3);
  position: relative;
}

.sign-off::before {
  content: '';
  display: block;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  margin: 0 auto calc(var(--space-unit) * 2.5);
}

.sign-off-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.sign-off-brand {
  font-family: var(--font-accent);
  font-size: 0.88rem;
  font-weight: 300;
  font-style: italic;
  color: var(--accent-gold);
  margin-top: 0.4rem;
  letter-spacing: 0.08em;
}

/* --- Back to top --- */
.back-to-top {
  display: block;
  text-align: center;
  margin-top: calc(var(--space-unit) * 2);
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}
.back-to-top:hover { color: var(--accent-gold); opacity: 1; }

/* --- Copyright footer --- */
.article-footer {
  border-top: 1px solid rgba(184, 150, 90, 0.08);
  padding: 3rem 2rem;
  text-align: center;
}
.article-footer-brand {
  font-family: var(--font-accent);
  font-size: 0.525rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  opacity: 0.5;
}
.article-footer-copy {
  font-family: var(--font-accent);
  font-size: 0.525rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 680px) {
  html { font-size: 16px; }
  .hero { padding: calc(var(--space-unit) * 4) 1.2rem calc(var(--space-unit) * 3); padding-top: calc(64px + var(--space-unit) * 2.5); }
  .article { padding-left: 1.2rem; padding-right: 1.2rem; }
  .article p { text-align: left; hyphens: none; }
  .drop-cap::first-letter { font-size: 3.4rem; }
  .pull-quote { padding-left: calc(var(--space-unit) * 1); font-size: 1.1rem; }
}

/* --- Selection --- */
::selection {
  background: var(--accent-gold-dim);
  color: var(--text-primary);
}