/* ═══════════════════════════════════════════════════════════════════════════
   Liolios Handbook — Main Stylesheet
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-canvas:        #070D18;
  --bg-header:        rgba(7, 13, 24, 0.92);
  --bg-surface:       #0F1929;
  --bg-surface-hover: #142030;
  --bg-elevated:      #192538;
  --bg-input:         #0C1624;
  --bg-mobile-menu:   #0A1220;

  /* Borders */
  --border:        #192840;
  --border-subtle: #101E30;

  /* Text */
  --text-primary:   #D8E6F5;
  --text-secondary: #6B82A0;
  --text-muted:     #3E5570;

  /* Accent (indigo) */
  --accent:       #6366F1;
  --accent-light: #818CF8;
  --accent-hover: #4F46E5;
  --accent-glow:  rgba(99, 102, 241, 0.15);
  --accent-glow2: rgba(99, 102, 241, 0.08);

  /* Semantic */
  --success:      #10B981;
  --warning:      #F59E0B;
  --error:        #EF4444;
  --info:         #3B82F6;
  --success-text: #34D399;
  --warning-text: #FCD34D;
  --error-text:   #FCA5A5;
  --info-text:    #93C5FD;

  /* Layout */
  --header-h:    60px;
  --content-max: 780px;

  /* Typography */
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* Radius */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-card:       0 1px 3px rgba(0,0,0,.5), 0 4px 16px rgba(0,0,0,.2);
  --shadow-card-hover: 0 0 0 1px var(--accent), 0 8px 32px var(--accent-glow);
  --shadow-elevated:   0 8px 48px rgba(0,0,0,.6);
  --shadow-focus:      0 0 0 3px var(--accent-glow);
  --shadow-header:     0 1px 0 var(--border-subtle);

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.55, 0, 1, 0.45);
  --dur-fast:  140ms;
  --dur-base:  220ms;
  --dur-slow:  320ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  background: var(--bg-canvas);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
[hidden] { display: none !important; }

/* ── Skip Link ──────────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: .5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  z-index: 9999;
  font-size: .875rem;
  font-weight: 500;
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* ── Layout Shell ───────────────────────────────────────────────────────────── */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Site Header ────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 1.5rem;
}

/* ── Logo ───────────────────────────────────────────────────────────────────── */
.site-logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--accent) 0%, #8B5CF6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-heading);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: -.5px;
  flex-shrink: 0;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

/* ── Main Nav (Desktop) ─────────────────────────────────────────────────────── */
.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
}

.nav-tabs {
  position: relative;
  display: flex;
  align-items: center;
  gap: .125rem;
}

/* Animated sliding pill */
.nav-pill {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 34px;
  background: var(--accent-glow2);
  border: 1px solid rgba(99, 102, 241, .22);
  border-radius: var(--r-full);
  pointer-events: none;
  opacity: 0;
  transition:
    left   var(--dur-base) var(--ease-out),
    width  var(--dur-base) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
  will-change: left, width;
}
.nav-pill.is-visible { opacity: 1; }

/* Nav tab items */
.nav-tab {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .375rem;
  padding: .4375rem .875rem;
  border-radius: var(--r-full);
  font-size: .875rem;
  font-weight: 450;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-fast);
  cursor: pointer;
}
.nav-tab svg { flex-shrink: 0; opacity: .6; transition: opacity var(--dur-fast); }
.nav-tab:hover { color: var(--text-primary); }
.nav-tab:hover svg { opacity: 1; }
.nav-tab.is-active { color: var(--accent-light); font-weight: 500; }
.nav-tab.is-active svg { opacity: 1; }
.nav-tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-radius: var(--r-full); }

/* ── Header Right ───────────────────────────────────────────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  flex-shrink: 0;
}

.header-search-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .375rem .75rem .375rem .625rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: .8125rem;
  transition:
    border-color var(--dur-fast),
    color var(--dur-fast),
    background var(--dur-fast);
}
.header-search-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--bg-surface);
}
.header-search-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.header-search-label { white-space: nowrap; }

.header-shortcut {
  font-size: .625rem;
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: .15em .45em;
  border-radius: 4px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  color: var(--text-primary);
  transition: background var(--dur-fast);
}
.mobile-menu-btn:hover { background: var(--bg-surface); }
.mobile-menu-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.hamburger { display: flex; flex-direction: column; gap: 5px; width: 20px; }
.hamburger span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast);
  transform-origin: center;
}
.mobile-menu-btn[aria-expanded="true"] .hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn[aria-expanded="true"] .hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-menu-btn[aria-expanded="true"] .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile Menu ────────────────────────────────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--bg-mobile-menu);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 190;
  transform: translateY(-4px);
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}
.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-inner {
  padding: 1rem 1.25rem 1.25rem;
  max-height: calc(100dvh - var(--header-h) - 2rem);
  overflow-y: auto;
}

.mobile-nav-list { display: flex; flex-direction: column; }
.mobile-nav-list a {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .6875rem .5rem;
  border-radius: var(--r-sm);
  font-size: .9375rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.mobile-nav-list li:last-child a { border-bottom: none; }
.mobile-nav-list a:hover { color: var(--text-primary); background: var(--bg-surface); }
.mobile-nav-list a svg { flex-shrink: 0; opacity: .6; }

.mobile-menu-section { margin-top: 1rem; }
.mobile-menu-section-title {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .375rem;
  padding: 0 .5rem;
}

.mobile-count {
  margin-left: auto;
  font-size: .6875rem;
  background: var(--bg-elevated);
  padding: .125rem .375rem;
  border-radius: var(--r-full);
  color: var(--text-muted);
}

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  z-index: 180;
  opacity: 0;
  transition: opacity var(--dur-base);
}
.mobile-overlay.is-active { opacity: 1; }

/* ── Search Overlay ─────────────────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.search-overlay.is-open { opacity: 1; pointer-events: auto; }

.search-overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 13, 24, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.search-overlay-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 1.5rem;
}

.search-overlay-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,.7), 0 0 0 1px rgba(99,102,241,.1);
  transform: translateY(-8px);
  transition: transform var(--dur-base) var(--ease-out);
}
.search-overlay.is-open .search-overlay-box { transform: translateY(0); }

.search-overlay-input-row {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: 1.125rem 1.375rem;
}

.search-overlay-icon { color: var(--text-muted); flex-shrink: 0; }

.search-overlay-input {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  color: var(--text-primary);
  caret-color: var(--accent);
}
.search-overlay-input::placeholder { color: var(--text-muted); }

.search-overlay-esc {
  font-size: .6875rem;
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: .1875em .5em;
  border-radius: 4px;
  color: var(--text-muted);
  flex-shrink: 0;
  cursor: pointer;
}

.search-overlay-hint {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  justify-content: center;
  margin-top: .875rem;
  font-size: .6875rem;
  color: var(--text-muted);
}
.search-overlay-hint kbd {
  font-family: var(--font-mono);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  padding: .15em .45em;
  border-radius: 4px;
  font-size: .6875rem;
  color: var(--text-secondary);
  margin-right: .25em;
}

/* ── Main Content ───────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  min-width: 0;
}

/* ── Page Content ───────────────────────────────────────────────────────────── */
.page-content {
  max-width: calc(var(--content-max) + 4rem);
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.page-content--projects { max-width: 1100px; }
.page-content--project-single { max-width: 960px; }
.page-content--home { max-width: 1100px; }

/* ── Page Header ────────────────────────────────────────────────────────────── */
.page-header { margin-bottom: 2.5rem; }

.page-eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: .75rem;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--text-primary);
}

.page-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 56ch;
  margin-top: .875rem;
}

/* ── Filter Tabs ────────────────────────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.filter-tab {
  padding: .375rem .875rem;
  border-radius: var(--r-full);
  font-size: .8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.filter-tab:hover { background: var(--bg-surface); color: var(--text-primary); }
.filter-tab.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Projects Bento Grid ────────────────────────────────────────────────────── */
.projects-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.125rem;
}

/* ── Project Card ───────────────────────────────────────────────────────────── */
.project-card {
  position: relative;
  border-radius: var(--r-lg);
  background: transparent;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}
.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--bg-surface);
}

.project-card--large { grid-column: span 2; }
.project-card--large .project-card-image { aspect-ratio: 16/7; }
.project-card--large .project-card-title { font-size: 1.25rem; }

.project-card-link { display: flex; flex-direction: column; height: 100%; color: inherit; }

.project-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-elevated);
  flex-shrink: 0;
}
.project-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.project-card:hover .project-card-image img { transform: scale(1.04); }

.project-card-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  color: var(--text-muted);
}

.project-card-badges { position: absolute; top: .75rem; left: .75rem; display: flex; gap: .375rem; }

.project-card-content {
  flex: 1;
  padding: 1.125rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.project-card-type {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-light);
}

.project-card-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--text-primary);
  transition: color var(--dur-fast);
}
.project-card:hover .project-card-title { color: var(--accent-light); }

.project-card-excerpt {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid var(--border-subtle);
}

.project-card-year { font-size: .75rem; color: var(--text-muted); flex-shrink: 0; }

.project-card-arrow {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 30px; height: 30px;
  border-radius: var(--r-sm);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  opacity: 0;
  transform: translate(4px, -4px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), background var(--dur-fast), color var(--dur-fast);
}
.project-card:hover .project-card-arrow {
  opacity: 1; transform: translate(0,0);
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* ── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .1875rem .5625rem;
  border-radius: var(--r-full);
  font-size: .6875rem; font-weight: 600; letter-spacing: .02em; line-height: 1;
}
.badge--success  { background: rgba(16,185,129,.15); color: var(--success-text); }
.badge--info     { background: rgba(59,130,246,.15);  color: var(--info-text); }
.badge--warning  { background: rgba(245,158,11,.15);  color: var(--warning-text); }
.badge--muted    { background: var(--bg-elevated);    color: var(--text-secondary); }
.badge--featured { background: rgba(99,102,241,.2);   color: var(--accent-light); }

/* ── Tech Tags ──────────────────────────────────────────────────────────────── */
.tech-tags { display: flex; flex-wrap: wrap; gap: .3125rem; min-width: 0; }

.tech-tag {
  padding: .1875rem .5rem;
  border-radius: var(--r-full);
  background: transparent;
  border: 1px solid var(--border);
  font-size: .6875rem; font-weight: 450;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1.125rem;
  border-radius: var(--r-md);
  font-size: .875rem; font-weight: 500; line-height: 1;
  text-decoration: none;
  transition: background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  cursor: pointer; border: 1px solid transparent; white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn--ghost:hover { background: var(--bg-surface); }
.btn--lg { height: 44px; padding: 0 1.375rem; font-size: .9375rem; }

/* ── Prose ──────────────────────────────────────────────────────────────────── */
.prose {
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 68ch;
}
.prose > * + * { margin-top: 1.25em; }
.prose h1,.prose h2,.prose h3,.prose h4,.prose h5,.prose h6 {
  font-family: var(--font-heading); font-weight: 650; letter-spacing: -.015em; line-height: 1.25;
  color: var(--text-primary); margin-top: 2em; margin-bottom: .625em;
}
.prose h1 { font-size: 2em; }
.prose h2 { font-size: 1.5em; padding-bottom: .4em; border-bottom: 1px solid var(--border-subtle); }
.prose h3 { font-size: 1.25em; }
.prose h4 { font-size: 1.1em; }
.prose a { color: var(--accent-light); text-decoration: underline; text-decoration-color: rgba(129,140,248,.35); text-underline-offset: 3px; transition: text-decoration-color var(--dur-fast); }
.prose a:hover { text-decoration-color: var(--accent-light); }
.prose strong { font-weight: 600; color: var(--text-primary); }
.prose ul { padding-left: 1.5em; list-style: none; }
.prose ul li { position: relative; }
.prose ul li::before { content: ''; position: absolute; left: -1.25em; top: .7em; width: .4em; height: .4em; border-radius: 50%; background: var(--accent); }
.prose ol { padding-left: 1.5em; list-style: decimal; }
.prose li + li { margin-top: .375em; }
.prose blockquote { border-left: 3px solid var(--accent); padding: .75rem 1.25rem; background: var(--accent-glow2); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--text-secondary); font-style: italic; }
.prose blockquote p { margin: 0; }
.prose code { font-family: var(--font-mono); font-size: .875em; background: var(--bg-elevated); padding: .125em .375em; border-radius: 4px; color: var(--accent-light); border: 1px solid var(--border); }
.prose pre { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.25rem; overflow-x: auto; position: relative; }
.prose pre code { background: none; border: none; padding: 0; font-size: .875rem; color: var(--text-primary); line-height: 1.65; }
.prose img { border-radius: var(--r-md); border: 1px solid var(--border-subtle); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9em; }
.prose thead { background: var(--bg-elevated); }
.prose th,.prose td { padding: .625rem 1rem; border: 1px solid var(--border); text-align: left; }
.prose th { font-weight: 600; }
.prose td { color: var(--text-secondary); }
.prose tbody tr:hover { background: var(--bg-surface-hover); }

/* ── Article ────────────────────────────────────────────────────────────────── */
.article-header { margin-bottom: 2rem; }
.article-cats { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: .875rem; }
.article-cat {
  font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-light); background: var(--accent-glow2); padding: .25rem .625rem;
  border-radius: var(--r-full); border: 1px solid rgba(99,102,241,.2);
}
.article-title {
  font-family: var(--font-heading); font-size: clamp(1.625rem, 4vw, 2.25rem);
  font-weight: 700; letter-spacing: -.025em; line-height: 1.2; color: var(--text-primary); margin-bottom: 1rem;
}
.article-meta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; color: var(--text-muted); font-size: .8125rem; }
.article-meta > span { display: flex; align-items: center; gap: .375rem; }
.article-hero { margin-bottom: 2.5rem; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border-subtle); }
.article-hero-img { width: 100%; aspect-ratio: 16/6; object-fit: cover; }
.article-footer { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-subtle); }
.article-tags { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.article-tags svg { color: var(--text-muted); flex-shrink: 0; }
.tag { padding: .25rem .625rem; border-radius: var(--r-full); background: transparent; border: 1px solid var(--border); font-size: .75rem; color: var(--text-secondary); transition: background var(--dur-fast), color var(--dur-fast); }
.tag:hover { background: var(--bg-surface); color: var(--text-primary); }

/* ── Post Nav ───────────────────────────────────────────────────────────────── */
.post-nav { display: flex; gap: 1rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border-subtle); }
.post-nav-link {
  flex: 1; display: flex; flex-direction: column; gap: .375rem;
  padding: 1rem 1.25rem;
  background: transparent; border: 1px solid var(--border-subtle); border-radius: var(--r-md);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.post-nav-link:hover { border-color: var(--accent); transform: translateY(-1px); }
.post-nav-link--next { align-items: flex-end; text-align: right; }
.post-nav-label { display: flex; align-items: center; gap: .25rem; font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.post-nav-link--next .post-nav-label { justify-content: flex-end; }
.post-nav-title { font-size: .9rem; font-weight: 500; color: var(--text-primary); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ── Post List ──────────────────────────────────────────────────────────────── */
.post-list { display: flex; flex-direction: column; gap: 1.5rem; }
.post-card { border-radius: var(--r-lg); background: transparent; border: 1px solid var(--border-subtle); overflow: hidden; transition: transform var(--dur-base), border-color var(--dur-base), background var(--dur-base); }
.post-card:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--bg-surface); }
.post-card-link { display: grid; grid-template-columns: 200px 1fr; color: inherit; }
.post-card-image { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-elevated); }
.post-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow); }
.post-card:hover .post-card-image img { transform: scale(1.04); }
.post-card-content { padding: 1.25rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; justify-content: center; }
.post-card-cat { font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-light); }
.post-card-title { font-family: var(--font-heading); font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; line-height: 1.35; color: var(--text-primary); }
.post-card-excerpt { font-size: .875rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-meta { display: flex; align-items: center; gap: .75rem; margin-top: .25rem; font-size: .75rem; color: var(--text-muted); }

/* ── Project Single ─────────────────────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; font-size: .8125rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--text-secondary); transition: color var(--dur-fast); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb span { color: var(--text-primary); }
.project-hero { position: relative; margin-bottom: 2.5rem; border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--border-subtle); }
.project-hero-image { aspect-ratio: 16/6; position: relative; }
.project-hero-img { width: 100%; height: 100%; object-fit: cover; }
.project-hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,13,24,.95) 0%, rgba(7,13,24,.4) 60%, transparent 100%); }
.project-hero-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem 2.5rem; }
.project-type-label { display: inline-block; font-size: .6875rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-light); margin-bottom: .5rem; }
.project-title { font-family: var(--font-heading); font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.15; color: #fff; margin-bottom: .75rem; text-shadow: 0 2px 16px rgba(0,0,0,.5); }
.project-lead { font-size: 1.0625rem; color: rgba(255,255,255,.8); line-height: 1.65; max-width: 56ch; margin-bottom: 1.25rem; }
.project-links { display: flex; gap: .75rem; flex-wrap: wrap; }
.project-layout { display: grid; grid-template-columns: 1fr 280px; gap: 2rem; align-items: start; }
.project-body { min-width: 0; }
.project-sidebar { display: flex; flex-direction: column; gap: 1rem; position: sticky; top: calc(var(--header-h) + 1.5rem); }

/* ── Detail Card ────────────────────────────────────────────────────────────── */
.detail-card { background: transparent; border: 1px solid var(--border-subtle); border-radius: var(--r-lg); padding: 1.25rem; }
.detail-card-title { font-family: var(--font-heading); font-size: .8125rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
.detail-list { display: flex; flex-direction: column; gap: .875rem; }
.detail-item { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; }
.detail-item--full { flex-direction: column; align-items: flex-start; }
.detail-item dt { font-size: .75rem; font-weight: 500; color: var(--text-muted); white-space: nowrap; padding-top: .0625rem; }
.detail-item dd { font-size: .8125rem; color: var(--text-secondary); }
.detail-item--full dd { margin-top: .375rem; }
.detail-link { color: var(--accent-light); text-decoration: none; font-size: .8125rem; }
.detail-link:hover { text-decoration: underline; }
.detail-links { margin-top: 1.25rem; padding-top: 1.125rem; border-top: 1px solid var(--border-subtle); display: flex; flex-direction: column; gap: .5rem; }
.detail-action-link { display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem; border-radius: var(--r-sm); background: transparent; border: 1px solid var(--border); font-size: .8125rem; color: var(--text-primary); transition: border-color var(--dur-fast), color var(--dur-fast); }
.detail-action-link:hover { border-color: var(--accent); color: var(--accent-light); }
.detail-action-link svg:last-child { margin-left: auto; color: var(--text-muted); }
.share-buttons { display: flex; flex-direction: column; gap: .5rem; }
.share-btn { display: flex; align-items: center; gap: .625rem; padding: .5rem .75rem; border-radius: var(--r-sm); border: 1px solid var(--border); font-size: .8125rem; font-weight: 500; transition: background var(--dur-fast), border-color var(--dur-fast); text-decoration: none; }
.share-btn--twitter { color: #E7E9EA; background: transparent; }
.share-btn--twitter:hover { background: #1D9BF0; border-color: #1D9BF0; color: #fff; }
.share-btn--linkedin { color: var(--text-primary); background: transparent; }
.share-btn--linkedin:hover { background: #0A66C2; border-color: #0A66C2; color: #fff; }

/* ── Related Projects ───────────────────────────────────────────────────────── */
.related-projects { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--border-subtle); }
.related-projects-inner { max-width: 960px; margin: 0 auto; padding: 0 2rem; }
.related-title { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600; color: var(--text-primary); margin-bottom: 1.5rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.related-cta { margin-top: 1.5rem; display: flex; justify-content: center; }

/* ── Pagination ─────────────────────────────────────────────────────────────── */
.pagination-nav { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border-subtle); }
.pagination-nav .nav-links { display: flex; align-items: center; justify-content: center; gap: .375rem; flex-wrap: wrap; }
.pagination-nav .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 .625rem; border-radius: var(--r-sm); font-size: .875rem; font-weight: 500; color: var(--text-secondary); background: transparent; border: 1px solid var(--border-subtle); transition: all var(--dur-fast); text-decoration: none; }
.pagination-nav .page-numbers:hover { background: var(--bg-surface); color: var(--text-primary); border-color: var(--border); }
.pagination-nav .page-numbers.current { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination-nav .page-numbers.dots { background: none; border: none; color: var(--text-muted); }
.pagination-nav .prev,.pagination-nav .next { gap: .375rem; padding: 0 .875rem; }

/* ── Empty State ────────────────────────────────────────────────────────────── */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 5rem 2rem; gap: 1rem; }
.empty-state-icon { width: 80px; height: 80px; border-radius: var(--r-xl); background: transparent; border: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: center; color: var(--text-muted); margin-bottom: .5rem; }
.empty-state-title { font-family: var(--font-heading); font-size: 1.375rem; font-weight: 600; color: var(--text-primary); }
.empty-state-description { font-size: .9375rem; color: var(--text-secondary); max-width: 36ch; }

/* ── 404 ────────────────────────────────────────────────────────────────────── */
.error-page { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 5rem 2rem; min-height: 60vh; gap: 1rem; }
.error-code { font-family: var(--font-heading); font-size: clamp(5rem, 15vw, 9rem); font-weight: 800; letter-spacing: -.04em; line-height: 1; background: linear-gradient(135deg, var(--accent) 0%, #8B5CF6 50%, var(--accent-light) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: .5rem; }
.error-title { font-family: var(--font-heading); font-size: 1.875rem; font-weight: 700; color: var(--text-primary); }
.error-description { font-size: 1.0625rem; color: var(--text-secondary); max-width: 40ch; }
.error-actions { display: flex; gap: .75rem; flex-wrap: wrap; justify-content: center; margin-top: .5rem; }
.error-search { margin-top: 1.5rem; }
.error-search p { font-size: .875rem; color: var(--text-muted); margin-bottom: .75rem; }

/* ── Homepage ───────────────────────────────────────────────────────────────── */
.hero { padding: 4rem 0 3.5rem; max-width: 56ch; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .8125rem; font-weight: 500; color: var(--success-text); background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2); padding: .25rem .75rem; border-radius: var(--r-full); margin-bottom: 1.5rem; }
.hero-dot { width: 7px; height: 7px; background: var(--success); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .6; transform: scale(1.3); } }
.hero-title { font-family: var(--font-heading); font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; color: var(--text-primary); margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.125rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 2rem; max-width: 52ch; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.home-section { margin-top: 3.5rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.375rem; padding-bottom: .875rem; border-bottom: 1px solid var(--border-subtle); }
.section-title { font-family: var(--font-heading); font-size: 1.1875rem; font-weight: 600; letter-spacing: -.01em; color: var(--text-primary); }
.section-link { display: flex; align-items: center; gap: .25rem; font-size: .8125rem; font-weight: 500; color: var(--accent-light); text-decoration: none; transition: color var(--dur-fast); }
.section-link:hover { color: var(--accent); }
.home-projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.125rem; }
.home-projects-grid .project-card--large { grid-column: span 2; }
.home-posts-list { display: flex; flex-direction: column; }
.home-post-item { display: flex; flex-direction: column; gap: .375rem; padding: 1.125rem 0; border-bottom: 1px solid var(--border-subtle); text-decoration: none; color: inherit; }
.home-post-item:first-child { border-top: 1px solid var(--border-subtle); }
.home-post-meta { display: flex; align-items: center; gap: .75rem; font-size: .75rem; color: var(--text-muted); }
.home-post-title { font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 600; letter-spacing: -.01em; color: var(--text-primary); transition: color var(--dur-fast); line-height: 1.35; }
.home-post-item:hover .home-post-title { color: var(--accent-light); }
.home-post-excerpt { font-size: .875rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.home-post-cta { display: inline-flex; align-items: center; gap: .25rem; font-size: .8125rem; font-weight: 500; color: var(--accent-light); margin-top: .25rem; opacity: 0; transform: translateX(-4px); transition: opacity var(--dur-fast), transform var(--dur-fast); }
.home-post-item:hover .home-post-cta { opacity: 1; transform: translateX(0); }

/* ── Projects Page Specifics ────────────────────────────────────────────────── */
.projects-header { margin-bottom: 2rem; }
.projects-header-text { margin-bottom: 1.25rem; }

/* ── Code Copy Button ───────────────────────────────────────────────────────── */
.code-copy-btn { position: absolute; top: .625rem; right: .625rem; padding: .25rem .5rem; font-size: .6875rem; font-weight: 500; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--text-muted); cursor: pointer; transition: all var(--dur-fast); font-family: var(--font-sans); }
.code-copy-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.code-copy-btn.copied { background: var(--success); border-color: var(--success); color: #fff; }

/* ── Back to Top ────────────────────────────────────────────────────────────── */
.back-to-top { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 40px; height: 40px; border-radius: var(--r-md); background: transparent; border: 1px solid var(--border); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity var(--dur-base), transform var(--dur-base), background var(--dur-fast), color var(--dur-fast); z-index: 50; }
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Focus & Selection ──────────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent-glow); color: var(--accent-light); }

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */
html { scrollbar-width: thin; scrollbar-color: var(--bg-elevated) var(--bg-canvas); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-canvas); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 8px; border: 2px solid var(--bg-canvas); }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* ── Utils ──────────────────────────────────────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* ── Reduced Motion ─────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* ── Responsive — Tablet (≤1024px) ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .projects-bento { grid-template-columns: repeat(2, 1fr); }
  .project-card--large { grid-column: span 2; }
  .project-layout { grid-template-columns: 1fr; }
  .project-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card-link { grid-template-columns: 160px 1fr; }
  .home-projects-grid { grid-template-columns: repeat(2, 1fr); }
  .header-search-label { display: none; }
  .header-shortcut { display: none; }
}

/* ── Responsive — Mobile (≤768px) ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-menu { display: block; }
  .mobile-overlay { display: block; }

  .header-inner { gap: 1rem; padding: 0 1rem; }

  .page-content { padding: 2rem 1.25rem 3rem; }
  .page-content--projects { padding: 1.5rem 1.25rem; }
  .page-content--project-single { padding: 1.5rem 1.25rem; }

  .projects-bento { grid-template-columns: 1fr; gap: .875rem; }
  .project-card--large { grid-column: span 1; }
  .project-card--large .project-card-image { aspect-ratio: 16/9; }

  .project-hero-content { padding: 1.25rem 1.5rem; }
  .project-title { font-size: 1.5rem; }

  .post-card-link { grid-template-columns: 1fr; }
  .post-card-image { aspect-ratio: 16/9; }
  .post-nav { flex-direction: column; }

  .related-grid { grid-template-columns: 1fr; }
  .project-sidebar { display: flex; }

  .home-projects-grid { grid-template-columns: 1fr; }
  .home-projects-grid .project-card--large { grid-column: span 1; }

  .back-to-top { bottom: 1rem; right: 1rem; }
}

/* ── WordPress Core ─────────────────────────────────────────────────────────── */
.alignleft { float: left; margin-right: 1.5rem; margin-bottom: 1rem; }
.alignright { float: right; margin-left: 1.5rem; margin-bottom: 1rem; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: .8125rem; color: var(--text-muted); text-align: center; margin-top: .5rem; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem; }
.gallery-item img { border-radius: var(--r-sm); border: 1px solid var(--border-subtle); }

/* ── Search Form ────────────────────────────────────────────────────────────── */
.search-form { display: flex; }
.search-field { flex: 1; min-width: 0; height: 40px; padding: 0 .875rem; background: var(--bg-input); border: 1px solid var(--border); border-right: none; border-radius: var(--r-sm) 0 0 var(--r-sm); color: var(--text-primary); font-size: .875rem; outline: none; transition: border-color var(--dur-fast); }
.search-field::placeholder { color: var(--text-muted); }
.search-field:focus { border-color: var(--accent); }
.search-submit { height: 40px; padding: 0 1rem; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--text-secondary); font-size: .875rem; font-weight: 500; transition: background var(--dur-fast), color var(--dur-fast); }
.search-submit:hover { background: var(--accent); color: #fff; border-color: var(--accent); }