/* ==========================================================================
   DEAD DROP — visual identity for a personal security-research site
   Declassified-dossier aesthetic: warm paper on near-black, rust redaction
   accents, slab-serif headlines, monospace terminal/code.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  /* ---- color tokens (dark / default) ---- */
  --bg: #0a0908;
  --bg-elevated: #14120f;
  --bg-terminal: #0f0d0b;
  --paper: #ede6d6;
  --paper-dim: #b9af98;
  --paper-faint: #7d7566;
  --line: #332e26;
  --line-strong: #4a4136;
  --accent: #8b3a3a;
  --accent-bright: #c1615f;
  --accent-text: #d97c6b;
  --accent-glow: rgba(193, 97, 95, 0.35);
  --ok: #7a9b6e;
  --warn: #c99a4a;

  /* ---- type ---- */
  --font-display: 'Zilla Slab', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* ---- layout ---- */
  --container: 1180px;
  --radius: 2px;
  --scanline-opacity: 0.05;

  color-scheme: dark;
}

:root[data-theme='light'] {
  --bg: #f2ede0;
  --bg-elevated: #e9e1cd;
  --bg-terminal: #1c1a17;
  --paper: #1a1815;
  --paper-dim: #4a453c;
  --paper-faint: #746c5c;
  --line: #d8cfb8;
  --line-strong: #c3b89c;
  --accent: #8b3a3a;
  --accent-bright: #a3423f;
  --accent-text: #7a2f2c;
  --accent-glow: rgba(139, 58, 58, 0.18);
  --scanline-opacity: 0.03;
  color-scheme: light;
}

/* ---- accent intensity (theme custom setting) ---- */
body.accent-low { --accent-glow: rgba(193, 97, 95, 0.15); }
body.accent-high { --accent-glow: rgba(193, 97, 95, 0.55); }
:root[data-theme='light'] body.accent-low { --accent-glow: rgba(139, 58, 58, 0.08); }
:root[data-theme='light'] body.accent-high { --accent-glow: rgba(139, 58, 58, 0.3); }

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.01em; }
p { margin: 0 0 1.2em; }
code, pre, kbd, samp { font-family: var(--font-mono); }
::selection { background: var(--accent); color: var(--paper); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   CRT / scanline overlay — subtle, sits above everything, never blocks input
   ========================================================================== */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, var(--scanline-opacity)) 0px,
    rgba(0, 0, 0, var(--scanline-opacity)) 1px,
    transparent 2px,
    transparent 3px
  );
  mix-blend-mode: multiply;
  opacity: 0.6;
}
.crt-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, transparent 55%, rgba(0,0,0,0.35) 100%);
}
.crt-flicker { animation: crtFlicker 7s infinite; }
@keyframes crtFlicker {
  0%, 96%, 100% { opacity: 0.6; }
  97% { opacity: 0.45; }
  98% { opacity: 0.7; }
}

/* ==========================================================================
   Header / navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(10, 9, 8, 0.86);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
:root[data-theme='light'] .site-header { background: rgba(242, 237, 224, 0.9); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 24px;
  max-width: 1400px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav li { margin: 0; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--paper-dim);
  padding: 8px 8px;
  border-radius: var(--radius);
  text-decoration: none;
  position: relative;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--paper); background: var(--bg-elevated); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 9px;
  border-radius: var(--radius);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--paper); border-color: var(--accent); }
.btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  color: var(--paper);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { background: var(--accent); text-decoration: none; box-shadow: 0 0 18px var(--accent-glow); }
.btn--ghost { border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--bg-elevated); box-shadow: none; border-color: var(--paper-dim); }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px; }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav a { display: block; }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 480px) {
  .site-header__inner { padding: 12px 16px; flex-wrap: wrap; row-gap: 10px; }
  .brand { font-size: 0.92rem; }
  .header-actions { gap: 6px; }
  .header-actions .btn--ghost:not(.theme-toggle) { display: none; }
  .theme-toggle, .header-actions .btn { padding: 6px 10px; font-size: 0.72rem; }
}

/* ==========================================================================
   Hero + Terminal (signature element)
   ========================================================================== */
.hero {
  position: relative;
  padding: 72px 0 96px;
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute;
  z-index: -1;
  inset: -20% -10%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.25;
  transform: perspective(600px) rotateX(55deg) translateY(0);
  transform-origin: top center;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 14px;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: var(--paper);
  margin-bottom: 18px;
}
.hero-line {
  color: var(--paper-faint);
  transition: color 0.3s ease;
}
.hero-line.is-decrypted { color: var(--paper); }
.hero-line--accent.is-decrypted { color: var(--accent-text); }
.hero__lede { color: var(--paper-dim); font-size: 1.08rem; max-width: 46ch; margin-bottom: 28px; }
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* Terminal window */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 30px 60px -20px rgba(0,0,0,0.6), 0 0 40px var(--accent-glow);
  overflow: hidden;
}
.terminal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--paper-faint);
}
.terminal__bar-tag {
  border: 1px solid var(--accent);
  color: var(--accent-text);
  padding: 1px 6px;
  letter-spacing: 0.08em;
}
.terminal__dots { display: flex; gap: 6px; }
.terminal__dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); display: inline-block; }
.terminal__body {
  padding: 18px 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  min-height: 340px;
  color: var(--paper-dim);
  white-space: pre-wrap;
  word-break: break-word;
}
.terminal__body .ln { display: block; }
.terminal__prompt { color: var(--accent-text); }
.terminal__ok { color: var(--ok); }
.terminal__warn { color: var(--warn); }
.terminal__dim { color: var(--paper-faint); }
.terminal__bright { color: var(--paper); }
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--accent-text);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.glitch-burst { animation: glitchBurst 0.35s steps(2, end); }
@keyframes glitchBurst {
  0% { transform: translate(0,0); filter: none; }
  20% { transform: translate(-2px, 1px); filter: drop-shadow(2px 0 var(--accent)) drop-shadow(-2px 0 #4a6b8a); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, 0); filter: drop-shadow(-2px 0 var(--accent)) drop-shadow(2px 0 #4a6b8a); }
  100% { transform: translate(0,0); filter: none; }
}

/* ==========================================================================
   Section scaffolding
   ========================================================================== */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section--tight { padding: 64px 0; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section__kicker { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 8px; display: block; }
.section__title { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--paper); }
.section__desc { color: var(--paper-dim); max-width: 60ch; }
.section__intro { color: var(--paper-dim); max-width: 65ch; margin: -16px 0 32px; }
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity 0.7s ease, transform 0.7s ease; }

/* ==========================================================================
   Who am I
   ========================================================================== */
.bio { display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: start; }
@media (max-width: 720px) { .bio { grid-template-columns: 1fr; } }
.bio__photo {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  color: var(--paper-faint);
  font-size: 0.75rem;
  text-align: center;
  padding: 12px;
  position: relative;
}
.bio__photo::before { content: 'CLASSIFIED'; position: absolute; color: var(--accent-text); font-size: 0.62rem; letter-spacing: 0.15em; top: 10px; }
.bio__text p { color: var(--paper-dim); }
.bio__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border: 1px solid var(--line-strong);
  color: var(--paper-dim);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ==========================================================================
   Timeline (My Journey)
   ========================================================================== */
.timeline { position: relative; padding-left: 28px; border-left: 1px solid var(--line-strong); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
}
.timeline-item__date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent-text); letter-spacing: 0.06em; margin-bottom: 4px; }
.timeline-item__title { font-size: 1.15rem; color: var(--paper); margin-bottom: 6px; }
.timeline-item__desc { color: var(--paper-dim); margin: 0; }

/* ==========================================================================
   Learning path / roadmap
   ========================================================================== */
.roadmap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.roadmap-node { background: var(--bg); padding: 22px; position: relative; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.roadmap-node__stage { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-text); letter-spacing: 0.1em; margin-bottom: 10px; }
.roadmap-node__title { color: var(--paper); font-size: 1.05rem; margin-bottom: 8px; }
.roadmap-node__desc { color: var(--paper-dim); font-size: 0.92rem; margin: 0; }
.roadmap-node--done { border-top: 2px solid var(--ok); }
.roadmap-node--active { border-top: 2px solid var(--accent); }
.roadmap-node--todo { border-top: 2px solid var(--line-strong); opacity: 0.75; }

/* ==========================================================================
   Cards (Insights / Challenges / Projects)
   ========================================================================== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card__media { aspect-ratio: 16/9; background: var(--bg); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--paper-faint); display: flex; gap: 10px; }
.card__title { font-size: 1.15rem; color: var(--paper); margin: 0; }
.card__title a { color: inherit; }
.card__title a:hover { color: var(--accent-text); text-decoration: none; }
.card__excerpt { color: var(--paper-dim); font-size: 0.92rem; margin: 0; }
.card__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; padding-top: 8px; }

/* filter bar */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-bar a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--paper-dim);
}
.filter-bar a:hover, .filter-bar a.is-active { color: var(--bg); background: var(--accent-text); border-color: var(--accent-text); text-decoration: none; }

/* ==========================================================================
   Methodologies
   ========================================================================== */
.method-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.method-row { background: var(--bg); padding: 20px 24px; display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: baseline; }
@media (max-width: 640px) { .method-row { grid-template-columns: 1fr; gap: 6px; } }
.method-row__id { font-family: var(--font-mono); color: var(--accent-text); font-size: 0.85rem; }
.method-row__name { color: var(--paper); font-size: 1.05rem; margin-bottom: 4px; }
.method-row__desc { color: var(--paper-dim); margin: 0; font-size: 0.92rem; }

/* ==========================================================================
   Newsletter
   ========================================================================== */
.newsletter {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 44px 48px;
  text-align: center;
  position: relative;
}
.newsletter__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 16px;
}
.newsletter__title { color: var(--paper); margin-bottom: 10px; }
.newsletter__desc { color: var(--paper-dim); margin-bottom: 26px; }
.newsletter__form { display: flex; gap: 10px; max-width: 420px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.newsletter__input {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 12px 14px;
  border-radius: var(--radius);
}
.newsletter__input:focus { outline: none; border-color: var(--accent); }
.newsletter__note { font-family: var(--font-mono); font-size: 0.72rem; color: var(--paper-faint); margin-top: 14px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 32px; }
.site-footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.site-footer__brand { font-family: var(--font-mono); color: var(--paper-dim); font-size: 0.85rem; }
.site-footer__links { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer__links a { font-family: var(--font-mono); font-size: 0.8rem; color: var(--paper-dim); }
.site-footer__pgp { font-family: var(--font-mono); font-size: 0.72rem; color: var(--paper-faint); margin-top: 18px; }

/* ==========================================================================
   Post / article
   ========================================================================== */
.post-header { padding: 64px 0 32px; border-bottom: 1px solid var(--line); text-align: center; }
.post-header__meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-text); display: flex; justify-content: center; gap: 14px; margin-bottom: 14px; }
.post-header__title { font-size: clamp(1.9rem, 4vw, 2.8rem); color: var(--paper); }
.post-header__excerpt { color: var(--paper-dim); font-size: 1.1rem; max-width: 65ch; margin: 0 auto; }

.post-feature {
  aspect-ratio: 21 / 9;
  max-height: 480px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin: 32px 0 0;
  background: var(--bg-elevated);
}
.post-feature img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-feature--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--paper-faint);
}
.post-content { max-width: 74ch; margin: 0 auto; padding: 48px 0; }
.post-content h2, .post-content h3 { color: var(--paper); margin-top: 1.6em; }
.post-content p, .post-content li { color: var(--paper-dim); }
.post-content a { border-bottom: 1px solid var(--accent-text); }
.post-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  color: var(--paper);
  font-style: italic;
}
.post-content pre {
  background: var(--bg-terminal);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
}
.post-content :not(pre) > code {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--accent-text);
}
.post-content img { border: 1px solid var(--line); border-radius: 4px; margin: 1.6em 0; }
.post-content hr { border: none; border-top: 1px dashed var(--line-strong); margin: 2.4em 0; }
.post-content figcaption { text-align: center; font-family: var(--font-mono); font-size: 0.85rem; color: var(--paper-faint); margin-top: 8px; }

/* ==========================================================================
   Koenig content cards (Ghost editor)
   ========================================================================== */
.post-content .kg-width-wide { width: 100%; max-width: calc(74ch + 220px); margin-left: 50%; transform: translateX(-50%); }
.post-content .kg-width-full { width: 100vw; max-width: 100vw; margin-left: 50%; transform: translateX(-50%); }
.post-content .kg-width-wide img, .post-content .kg-width-full img { width: 100%; }

.post-content .kg-gallery-container { display: flex; flex-direction: column; gap: 8px; margin: 1.6em 0; }
.post-content .kg-gallery-row { display: flex; gap: 8px; }
.post-content .kg-gallery-image img { border: 1px solid var(--line); border-radius: 4px; width: 100%; display: block; margin: 0; }

.post-content .kg-bookmark-card { margin: 1.6em 0; }
.post-content .kg-bookmark-container { display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; text-decoration: none; background: var(--bg-elevated); }
.post-content .kg-bookmark-content { padding: 18px 20px; flex: 1; min-width: 0; }
.post-content .kg-bookmark-title { color: var(--paper); font-weight: 600; margin-bottom: 6px; }
.post-content .kg-bookmark-description { color: var(--paper-dim); font-size: 0.9rem; margin-bottom: 12px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.post-content .kg-bookmark-metadata { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--paper-faint); }
.post-content .kg-bookmark-icon { width: 18px; height: 18px; }
.post-content .kg-bookmark-thumbnail { flex: 0 0 220px; }
.post-content .kg-bookmark-thumbnail img { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; border: none; border-radius: 0; }

.post-content .kg-embed-card { margin: 1.6em 0; }
.post-content .kg-embed-card iframe { width: 100%; border-radius: 4px; border: 1px solid var(--line); }

.post-content .kg-blockquote-alt { border: none; border-left: 3px solid var(--accent); padding-left: 20px; margin: 1.6em 0; font-family: var(--font-display); font-size: 1.3rem; font-style: italic; color: var(--paper); }

.post-content .kg-callout-card { display: flex; align-items: flex-start; gap: 12px; padding: 16px 20px; border-radius: 4px; margin: 1.6em 0; background: var(--bg-elevated); border: 1px solid var(--line); border-left: 3px solid var(--line-strong); }
.post-content .kg-callout-emoji { font-size: 1.2rem; line-height: 1.4; }
.post-content .kg-callout-text { color: var(--paper-dim); margin: 0; }
.post-content .kg-callout-card-accent { border-left-color: var(--accent); }
.post-content .kg-callout-card-blue { border-left-color: #4a6b8a; }

.post-content .kg-button-card { text-align: center; margin: 1.6em 0; }
.post-content .kg-btn { display: inline-block; font-family: var(--font-mono); font-size: 0.85rem; padding: 10px 22px; border: 1px solid var(--accent); border-radius: var(--radius); color: var(--paper); text-decoration: none; }
.post-content .kg-btn:hover { background: var(--accent); text-decoration: none; }
.post-content .kg-btn-accent { background: var(--accent); }

.post-content .kg-toggle-card { border: 1px solid var(--line); border-radius: 4px; padding: 16px 20px; margin: 1.6em 0; }
.post-content .kg-toggle-heading { display: flex; justify-content: space-between; align-items: center; cursor: pointer; color: var(--paper); font-weight: 600; }
.post-content .kg-toggle-content { color: var(--paper-dim); margin-top: 10px; }

.post-content .kg-file-card { margin: 1.6em 0; }
.post-content .kg-file-card-container { display: flex; align-items: center; gap: 14px; border: 1px solid var(--line); border-radius: 4px; padding: 16px 18px; background: var(--bg-elevated); text-decoration: none; }
.post-content .kg-file-card-title { color: var(--paper); font-weight: 600; }
.post-content .kg-file-card-caption { color: var(--paper-dim); font-size: 0.85rem; }
.post-content .kg-file-card-metadata { display: flex; gap: 10px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--paper-faint); }

.post-content .kg-signup-card { text-align: center; padding: 40px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--bg-elevated); margin: 2em 0; }
.post-content .kg-header-card { text-align: center; padding: 40px 20px; margin: 1.6em 0; }
.post-content .kg-header-card h2 { margin-top: 0; }

/* generic page */
.page-content { max-width: 74ch; margin: 0 auto; padding: 64px 0; }
.page-content p, .page-content li { color: var(--paper-dim); }

/* ==========================================================================
   Error page
   ========================================================================== */
.error-page { text-align: center; padding: 140px 0; }
.error-page__code { font-family: var(--font-mono); font-size: clamp(3.5rem, 12vw, 7rem); color: var(--paper); margin-bottom: 8px; line-height: 1; }
.error-page__message { color: var(--paper-dim); max-width: 50ch; margin: 0 auto 32px; }

/* Copy button on code blocks */
.post-content pre { position: relative; }
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--paper-faint);
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 4px 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.post-content pre:hover .copy-btn,
.copy-btn:focus-visible {
  opacity: 1;
}
.copy-btn:hover { color: var(--paper); border-color: var(--accent); }
.copy-btn.is-copied { color: var(--ok); border-color: var(--ok); opacity: 1; }

/* utility */
.text-center { text-align: center; }
.mt-lg { margin-top: 48px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }