/* ============================================================
   POST TEMPLATE — shared stylesheet for blog/<slug>.html and
   tool/<slug>.html. Mirrors the research report aesthetic so the
   reading experience stays consistent across all long-form pages.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,600;1,6..72,300;1,6..72,400&family=Spectral:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&family=JetBrains+Mono:wght@300;400&family=Silkscreen:wght@400;700&display=swap');

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

:root {
  --font-headline: 'Newsreader', serif;
  --font-body: 'Spectral', serif;
  --font-ui: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --bg: #FAF8F4;
  --bg-card: #FEFDFB;
  --bg-tinted: #F5F2EC;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --text-dim: #999999;
  --border: #e5e0d8;
  --accent: #002FA7;
  --hero-size: clamp(2.4rem, 5vw, 3.6rem);
  --body-size: 1.05rem;
  --content-width: 720px;
}

html { font-size: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--body-size);
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* NAV — same style as the report pages, with track-aware back link */
nav.post-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  background: rgba(250,248,244,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
nav.post-nav .nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.02em;
}
nav.post-nav .nav-right {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
nav.post-nav .nav-right a {
  color: var(--text-muted);
  padding: 0.3rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
nav.post-nav .nav-right a:hover {
  color: var(--text);
  border-color: var(--border);
  text-decoration: none;
}

/* ARTICLE */
article {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 130px clamp(1.5rem, 4vw, 2rem) 0;
}
.post-hero-img {
  display: block;
  width: 100%;
  max-width: 980px;
  margin: 0 auto 2.5rem;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: 2px;
}
.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.post-track {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.post-header h1 {
  font-family: var(--font-headline);
  font-weight: 300;
  font-size: var(--hero-size);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.8rem;
}
.post-subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 300;
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.post-meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}
.post-meta .dot {
  width: 3px; height: 3px;
  background: var(--text-dim);
  border-radius: 50%;
}

/* BODY */
.post-body p {
  margin-bottom: 1.4rem;
}
.post-body h2 {
  font-family: var(--font-headline);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  line-height: 1.25;
  color: var(--text);
  margin: 3rem 0 1.2rem;
  letter-spacing: -0.005em;
}
.post-body h3 {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--text);
  margin: 2rem 0 0.8rem;
}
.post-body ul,
.post-body ol {
  margin: 0 0 1.4rem 1.4rem;
}
.post-body li {
  margin-bottom: 0.6rem;
}
.post-body blockquote {
  font-family: var(--font-headline);
  font-style: italic;
  font-weight: 300;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.4rem;
  margin: 2rem 0;
}
.post-body strong { font-weight: 600; color: var(--text); }
.post-body em { font-style: italic; }
.post-body code,
.post-body pre {
  font-family: var(--font-mono);
  font-size: 0.92rem;
}
.post-body pre {
  background: var(--bg-tinted);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem;
  margin: 1.4rem 0;
  overflow-x: auto;
}

/* FOOTER */
.post-end {
  max-width: var(--content-width);
  margin: 4rem auto 0;
  padding: 2rem clamp(1.5rem, 4vw, 2rem) 5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.post-end a {
  color: var(--accent);
  transition: opacity 0.2s ease;
}
.post-end a:hover { opacity: 0.7; }

/* Track-specific accent overrides via body class */
body.track-art     { --accent: #a06a32; }   /* cliff ochre, art & design */
body.track-personal{ --accent: #002FA7; }   /* Klein blue, personal */

/* ============================================================
   AI TRACK — dark canvas + Silkscreen LED nav.
   Keeps the same reading-page layout as personal/art posts but
   swaps the entire palette + nav style to match ai.html.
   ============================================================ */
body.track-ai {
  --bg:         #000;
  --bg-card:    #0a0a0a;
  --bg-tinted:  #111;
  --text:       #fff;
  --text-muted: rgba(255,255,255,0.62);
  --text-dim:   rgba(255,255,255,0.40);
  --border:     rgba(255,255,255,0.14);
  --accent:     #9bbc0f;    /* Gameboy/LCD green — matches ai.html LED */
}
body.track-ai a { color: var(--accent); }

body.track-ai nav.post-nav {
  background: #000;
  border-bottom: 1px solid rgba(255,255,255,0.14);
  -webkit-backdrop-filter: none;
          backdrop-filter: none;
}
body.track-ai nav.post-nav .nav-logo {
  font-family: 'Silkscreen', ui-monospace, monospace;
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
/* Animated green LED dot before the logo — same as ai.html */
body.track-ai nav.post-nav .nav-logo::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #9bbc0f;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(155,188,15,0.7);
  animation: ledBlink 2.6s ease-in-out infinite;
}
@keyframes ledBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
body.track-ai nav.post-nav .nav-right {
  font-family: 'Silkscreen', ui-monospace, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}
body.track-ai nav.post-nav .nav-right a {
  font-family: 'Silkscreen', ui-monospace, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
}
body.track-ai nav.post-nav .nav-right a:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  text-decoration: none;
}

/* Body palette tweaks for legibility on dark */
body.track-ai .post-header { border-bottom-color: rgba(255,255,255,0.14); }
body.track-ai .post-header h1 { color: #fff; }
body.track-ai .post-subtitle  { color: rgba(255,255,255,0.7); }
body.track-ai .post-track     { color: var(--accent); }
body.track-ai .post-body h2,
body.track-ai .post-body h3   { color: #fff; }
body.track-ai .post-body strong { color: #fff; }
body.track-ai .post-body blockquote {
  color: var(--accent);
  border-left-color: var(--accent);
}
body.track-ai .post-body pre {
  background: #0a0a0a;
  border-color: rgba(255,255,255,0.14);
}
body.track-ai .post-end {
  border-top-color: rgba(255,255,255,0.14);
}
body.track-ai .post-end a { color: var(--accent); }

/* Studio sub-elements on dark */
body.track-ai .post-body .gallery {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.14);
}
body.track-ai .post-body .gallery-item { background: #0a0a0a; }
body.track-ai .post-body .gallery-item .caption { color: rgba(255,255,255,0.62); }
body.track-ai .post-body .gallery-item .caption strong { color: #fff; }
body.track-ai .post-body .tag {
  color: rgba(255,255,255,0.72);
  background: #0a0a0a;
  border-color: rgba(255,255,255,0.18);
}
body.track-ai .post-body .info-card {
  background: #0a0a0a;
  border-color: rgba(255,255,255,0.14);
}
body.track-ai .post-body .info-label { color: rgba(255,255,255,0.45); }
body.track-ai .post-body .info-value { color: #fff; }
body.track-ai .post-body .deliverable {
  background: #0a0a0a;
  border-color: rgba(255,255,255,0.14);
  color: #fff;
}
body.track-ai .post-body .wide-image,
body.track-ai .post-body .wide-image .caption {
  border-color: rgba(255,255,255,0.14);
  background: #0a0a0a;
}
body.track-ai .post-body .wide-image .caption {
  border-top-color: rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.62);
}
body.track-ai .post-body .section-label,
body.track-ai .post-body .tool-card-summary {
  color: var(--accent);
}
body.track-ai .post-body .project-link {
  color: var(--accent);
}