/* ============================================
   Joshua Stoner — Portfolio
   Theme: Open Notes Light
   ============================================ */

:root {
  /* Backgrounds */
  --bg: #F1F0ED;
  --card-bg: #FFFFFF;
  --card-border: rgba(0,0,0,0.06);
  --surface-hover: rgba(0,0,0,0.02);

  /* Text */
  --text: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #666666;
  --text-faint: #999999;

  /* Category Colors — stonerOS deck palette */
  --purple: #6d5acd;      /* AI Brain, Creative production */
  --lavender: #6d5acd;    /* PerfDev (same family as purple) */
  --sky: #5a8dbf;          /* What My AI, Content Design */
  --steel: #557bcc;         /* Team Effectiveness */
  --gold: #b8941f;        /* AI Manager */
  --green: #4a9960;        /* Conversations */
  --coral: #c06060;        /* energy, urgency, alerts */
  --rose: #c47088;         /* Parallels */

  /* Gradient */
  --gradient: linear-gradient(135deg, #6d5acd, #5a8dbf);

  /* Layout */
  --max-width: 720px;
  --max-width-wide: 960px;
  --nav-height: 56px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --radius-pill: 999px;

  /* Brand semantic */
  --brand-rose: #c47088;
  --brand-purple: #6d5acd;
  --link: var(--sky);
  --link-hover: var(--purple);

  /* Spacing scale (4px base grid) */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px;  --s-4: 16px;  --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px; --s-16: 64px; --s-20: 80px;

  /* Shadows */
  --shadow-1: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-2: 0 8px 24px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-orb-purple: radial-gradient(circle, rgba(124,58,237,0.10) 0%, transparent 70%);
  --shadow-orb-sky:    radial-gradient(circle, rgba(74,144,217,0.08) 0%, transparent 70%);

  /* Type families */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-serif: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace;

  /* Type scale */
  --fs-hero: 3.2rem; --fs-h1: 2rem;    --fs-h2: 1.25rem; --fs-h3: 1.05rem;
  --fs-body: 1rem;   --fs-body-serif: 1.02rem; --fs-small: 0.9rem;
  --fs-meta: 0.82rem; --fs-label: 0.72rem;

  /* Line-heights & tracking */
  --lh-tight: 1.2; --lh-heading: 1.3; --lh-body: 1.7; --lh-serif-body: 1.75;
  --tracking-label: 0.12em; --tracking-hero: -0.04em; --tracking-h1: -0.02em;

  /* Motion */
  --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur-fast: 0.15s; --dur-base: 0.25s; --dur-slow: 0.6s;
}

/* ---- Icons (Lucide) ---- */

i[data-lucide],
i[data-lucide] svg {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  stroke-width: 2;
}

.icon-blue i[data-lucide], .icon-blue svg,
i[data-lucide].icon-blue { color: var(--text-muted); }
.icon-purple i[data-lucide], .icon-purple svg,
i[data-lucide].icon-purple { color: var(--purple); }
.icon-lavender i[data-lucide], .icon-lavender svg,
i[data-lucide].icon-lavender { color: var(--lavender); }
.icon-sky i[data-lucide], .icon-sky svg,
i[data-lucide].icon-sky { color: var(--sky); }
.icon-steel i[data-lucide], .icon-steel svg,
i[data-lucide].icon-steel { color: var(--steel); }
.icon-gold i[data-lucide], .icon-gold svg,
i[data-lucide].icon-gold { color: var(--gold); }
.icon-green i[data-lucide], .icon-green svg,
i[data-lucide].icon-green { color: var(--green); }
.icon-coral i[data-lucide], .icon-coral svg,
i[data-lucide].icon-coral { color: var(--coral); }
.icon-rose i[data-lucide], .icon-rose svg,
i[data-lucide].icon-rose { color: var(--rose); }
.icon-mauve i[data-lucide], .icon-mauve svg,
i[data-lucide].icon-mauve { color: var(--coral); }
.icon-yellow i[data-lucide], .icon-yellow svg,
i[data-lucide].icon-yellow { color: var(--gold); }
.icon-red i[data-lucide], .icon-red svg,
i[data-lucide].icon-red { color: var(--coral); }
.icon-flamingo i[data-lucide], .icon-flamingo svg,
i[data-lucide].icon-flamingo { color: var(--coral); }
.icon-muted i[data-lucide], .icon-muted svg,
i[data-lucide].icon-muted { color: var(--text-faint); }

/* ---- BACKGROUND SHAPE icons ---- */

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: rgba(0,0,0,0.04);
  margin: 0 auto 0.6rem;
}
.stat-icon i[data-lucide],
.stat-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--text-muted);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  margin-right: 0.6rem;
  flex-shrink: 0;
}
.card-icon.icon-purple { background: rgba(124,58,237,0.1); }
.card-icon.icon-lavender { background: rgba(124,58,237,0.1); }
.card-icon.icon-sky { background: rgba(74,144,217,0.1); }
.card-icon.icon-steel { background: rgba(85,123,204,0.1); }
.card-icon.icon-gold { background: rgba(212,160,23,0.1); }
.card-icon.icon-green { background: rgba(52,168,83,0.1); }
.card-icon.icon-coral { background: rgba(217,79,79,0.1); }
.card-icon.icon-rose { background: rgba(196,112,136,0.1); }
.card-icon.icon-mauve { background: rgba(217,79,79,0.1); }

.card-icon i[data-lucide],
.card-icon svg {
  width: 1.1rem;
  height: 1.1rem;
}

.card-title {
  display: flex;
  align-items: center;
}

/* Card title text matches icon color */
.card-title:has(.icon-purple) { color: var(--purple); }
.card-title:has(.icon-lavender) { color: var(--lavender); }
.card-title:has(.icon-sky) { color: var(--sky); }
.card-title:has(.icon-steel) { color: var(--steel); }
.card-title:has(.icon-gold) { color: var(--gold); }
.card-title:has(.icon-green) { color: var(--green); }
.card-title:has(.icon-coral) { color: var(--coral); }
.card-title:has(.icon-rose) { color: var(--rose); }
.card-title:has(.icon-mauve) { color: var(--coral); }

.case-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: rgba(0,0,0,0.05);
  margin-bottom: 0.75rem;
}
.case-icon i[data-lucide],
.case-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* ---- BARE INLINE icons ---- */

h2 i[data-lucide],
h2 svg {
  width: 1.15rem;
  height: 1.15rem;
  vertical-align: -0.1em;
  margin-right: 0.4rem;
}

.section-label i[data-lucide],
.section-label svg {
  width: 0.85rem;
  height: 0.85rem;
  margin-right: 0.35rem;
  vertical-align: -0.1em;
}

.how-icon {
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
  flex-shrink: 0;
}
.how-icon i[data-lucide],
.how-icon svg {
  width: 1rem;
  height: 1rem;
}

/* Skill area label text inherits icon color */
td strong:has(.icon-purple) { color: var(--purple); }
td strong:has(.icon-lavender) { color: var(--lavender); }
td strong:has(.icon-blue) { color: var(--text-muted); }
td strong:has(.icon-sky) { color: var(--sky); }
td strong:has(.icon-steel) { color: var(--steel); }
td strong:has(.icon-gold) { color: var(--gold); }
td strong:has(.icon-green) { color: var(--green); }
td strong:has(.icon-coral) { color: var(--coral); }
td strong:has(.icon-rose) { color: var(--rose); }
td strong:has(.icon-mauve) { color: var(--coral); }

.skill-icon {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
}
.skill-icon i[data-lucide],
.skill-icon svg {
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.35rem;
  flex-shrink: 0;
}

nav .nav-name i[data-lucide],
nav .nav-name svg {
  width: 0.85rem;
  height: 0.85rem;
  margin-right: 0.3rem;
  vertical-align: -0.1em;
}

nav .nav-links i[data-lucide],
nav .nav-links svg {
  width: 0.9rem;
  height: 0.9rem;
  margin-right: 0.3rem;
  vertical-align: -0.15em;
  color: var(--text-faint);
}
nav .nav-links a:hover i[data-lucide],
nav .nav-links a:hover svg { color: var(--text); }

footer i[data-lucide],
footer svg {
  width: 0.9rem;
  height: 0.9rem;
  vertical-align: -0.15em;
  margin-right: 0.15rem;
}

.back-link i[data-lucide],
.back-link svg {
  width: 0.9rem;
  height: 0.9rem;
}

.demonstrates-list {
  list-style: none;
  padding: 0;
}
.demonstrates-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}
.demonstrates-list i[data-lucide],
.demonstrates-list svg {
  width: 1rem;
  height: 1rem;
  margin-top: 0.35rem;
  flex-shrink: 0;
  color: var(--green);
}

/* ---- Reset & Base ---- */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Typography ---- */

h1, h2, h3, h4 {
  color: var(--text);
  line-height: 1.3;
}

h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
h1.color-purple, .case-header .tab-title.color-purple { color: var(--purple); }
h1.color-lavender, .case-header .tab-title.color-lavender { color: var(--lavender); }
h1.color-sky, .case-header .tab-title.color-sky { color: var(--sky); }
h1.color-steel, .case-header .tab-title.color-steel { color: var(--steel); }
h1.color-gold, .case-header .tab-title.color-gold { color: var(--gold); }
h1.color-green, .case-header .tab-title.color-green { color: var(--green); }
h1.color-coral, .case-header .tab-title.color-coral { color: var(--coral); }
h1.color-rose, .case-header .tab-title.color-rose { color: var(--rose); }
h1.color-mauve, .case-header .tab-title.color-mauve { color: var(--coral); }
h1.color-sky, .case-header .tab-title.color-sky { color: var(--sky); }
h1.color-rose, .case-header .tab-title.color-rose { color: var(--rose); }
h2 { font-size: 1.25rem; font-weight: 700; margin: 3.5rem 0 1rem; color: var(--text); letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; font-weight: 600; margin: 1.5rem 0 0.5rem; color: var(--text-secondary); }

p { margin-bottom: 1rem; color: var(--text-secondary); font-weight: 400; }

a {
  color: var(--sky);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--purple); }

hr {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.08);
  margin: 3.5rem 0;
}

strong { color: var(--text); font-weight: 600; }

/* ---- Long-form article body — Source Serif 4 ---- */
.article-body {
  font-family: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
}
.article-body h1, .article-body h2, .article-body h3, .article-body h4 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}
.article-body p, .article-body li {
  font-size: 1.02rem;
  line-height: 1.75;
}

blockquote {
  border-left: 3px solid rgba(0,0,0,0.12);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  background: rgba(0,0,0,0.02);
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
}

code {
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  background: rgba(0,0,0,0.05);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: #FFFFFF;
  padding: 1.25rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--card-border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
pre code {
  background: none;
  padding: 0;
}

/* ---- Navigation ---- */

nav {
  background: rgba(241,240,237,0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

nav .nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .nav-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
nav .nav-name .nav-text {
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-width 0.3s ease;
  white-space: nowrap;
}
nav.scrolled .nav-name .nav-text {
  opacity: 1;
  max-width: 12rem;
}
nav .nav-name:hover { color: var(--text); }
nav .nav-name:hover .nav-mark { opacity: 1; }
.nav-mark {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  line-height: 1;
  opacity: 0.85;
  transition: opacity 0.15s;
}
.nav-mark .nm-j { color: var(--purple); }
.nav-mark .nm-s { color: var(--rose); }

nav .nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav .nav-links a {
  color: var(--sky);
  font-size: 0.85rem;
  font-weight: 400;
  opacity: 0.7;
  transition: opacity 0.15s;
}
nav .nav-links a:hover { opacity: 1; }

/* ---- Layout ---- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 6rem;
  flex: 1;
  width: 100%;
}

/* ---- Hero ---- */

.hero {
  text-align: left;
  padding: 5rem 0 2rem;
  position: relative;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.1;
}

.hero .byline {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.15rem;
  letter-spacing: 0.01em;
}

.hero .byline strong {
  font-weight: 600;
  color: var(--text-secondary);
}

/* Depth orbs — subtle warm color washes */
.depth-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.depth-orb--primary {
  width: 500px;
  height: 500px;
  top: -40%;
  right: -20%;
  background: radial-gradient(circle, rgba(124,58,237,0.10) 0%, transparent 70%);
  filter: blur(40px);
}

.depth-orb--secondary {
  width: 400px;
  height: 400px;
  bottom: -50%;
  left: -15%;
  background: radial-gradient(circle, rgba(74,144,217,0.08) 0%, transparent 70%);
  filter: blur(50px);
}

/* ---- Stat Row ---- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.stat-block {
  background: transparent;
  border: none;
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

/* Stat number color matches icon */
.stat-block:has(.icon-purple) .stat-number { color: var(--purple); }
.stat-block:has(.icon-lavender) .stat-number { color: var(--lavender); }
.stat-block:has(.icon-sky) .stat-number { color: var(--sky); }
.stat-block:has(.icon-green) .stat-number { color: var(--green); }
.stat-block:has(.icon-gold) .stat-number { color: var(--gold); }

/* Tinted stat-icon backgrounds */
.stat-icon.icon-purple { background: rgba(124,58,237,0.08); }
.stat-icon.icon-lavender { background: rgba(124,58,237,0.08); }
.stat-icon.icon-sky { background: rgba(74,144,217,0.08); }
.stat-icon.icon-green { background: rgba(52,168,83,0.08); }
.stat-icon.icon-gold { background: rgba(212,160,23,0.08); }

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ---- Cards ---- */

.card-grid {
  display: grid;
  gap: 1.5rem;
  margin: 1.5rem 0 2.5rem;
}

.card-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.25s, transform 0.2s;
  display: block;
  color: inherit;
  position: relative;
  overflow: hidden;
}

/* Category-colored top-edge */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--text-faint);
}

.card:has(.icon-purple)::before { background: var(--purple); }
.card:has(.icon-lavender)::before { background: var(--lavender); }
.card:has(.icon-sky)::before { background: var(--sky); }
.card:has(.icon-steel)::before { background: var(--steel); }
.card:has(.icon-gold)::before { background: var(--gold); }
.card:has(.icon-green)::before { background: var(--green); }
.card:has(.icon-coral)::before { background: var(--coral); }
.card:has(.icon-rose)::before { background: var(--rose); }
.card:has(.icon-mauve)::before { background: var(--coral); }

a.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.card-date {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-faint);
  display: block;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

/* ---- Tags ---- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  background: rgba(0,0,0,0.04);
  color: var(--text-muted);
  border: 1px solid rgba(0,0,0,0.06);
}

.tag--purple { color: var(--purple); background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.12); }
.tag--lavender { color: var(--lavender); background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.12); }
.tag--sky { color: var(--sky); background: rgba(74,144,217,0.08); border-color: rgba(74,144,217,0.12); }
.tag--steel { color: var(--steel); background: rgba(85,123,204,0.08); border-color: rgba(85,123,204,0.12); }
.tag--gold { color: var(--gold); background: rgba(212,160,23,0.08); border-color: rgba(212,160,23,0.12); }
.tag--green { color: var(--green); background: rgba(52,168,83,0.08); border-color: rgba(52,168,83,0.12); }
.tag--coral { color: var(--coral); background: rgba(217,79,79,0.08); border-color: rgba(217,79,79,0.12); }
.tag--rose { color: var(--rose); background: rgba(196,112,136,0.08); border-color: rgba(196,112,136,0.12); }
.tag--mauve { color: var(--coral); background: rgba(217,79,79,0.08); border-color: rgba(217,79,79,0.12); }
.tag--blue { color: var(--sky); background: rgba(74,144,217,0.08); border-color: rgba(74,144,217,0.12); }

/* ---- Section Divider Labels ---- */

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 5rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* Section label text matches icon color */
.section-label:has(.icon-purple) { color: var(--purple); border-bottom-color: var(--purple); }
.section-label:has(.icon-lavender) { color: var(--lavender); border-bottom-color: var(--lavender); }
.section-label:has(.icon-sky) { color: var(--sky); border-bottom-color: var(--sky); }
.section-label:has(.icon-steel) { color: var(--steel); border-bottom-color: var(--steel); }
.section-label:has(.icon-gold) { color: var(--gold); border-bottom-color: var(--gold); }
.section-label:has(.icon-green) { color: var(--green); border-bottom-color: var(--green); }
.section-label:has(.icon-coral) { color: var(--coral); border-bottom-color: var(--coral); }
.section-label:has(.icon-rose) { color: var(--rose); border-bottom-color: var(--rose); }
.section-label:has(.icon-mauve) { color: var(--coral); border-bottom-color: var(--coral); }

/* ---- Tables ---- */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 2px solid rgba(0,0,0,0.1);
  vertical-align: bottom;
}

td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 400;
  vertical-align: top;
}

td:first-child {
  white-space: nowrap;
}

tbody tr:nth-child(even) td {
  background: rgba(0,0,0,0.02);
}

tr:hover td {
  background: rgba(0,0,0,0.04);
}

[data-theme="dark"] tbody tr:nth-child(even) td {
  background: rgba(255,255,255,0.02);
}

[data-theme="dark"] tr:hover td {
  background: rgba(255,255,255,0.04);
}

/* ---- Table of Contents ---- */

.toc {
  text-align: left;
  padding: 1rem 1.25rem;
  margin: 1rem 0 2.5rem 0;
  border-left: 3px solid var(--card-border);
  background: rgba(0,0,0,0.02);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  width: 100%;
  box-sizing: border-box;
  height: auto !important;
  overflow: visible !important;
  display: flow-root;
  position: static;
  z-index: auto;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
}

/* ---- SoundCloud Embeds — always dark ---- */

.soundcloud-embed {
  background: #1a1a1a;
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 0;
}

.soundcloud-embed iframe {
  display: block;
}

.toc .toc-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.toc a {
  display: block;
  font-size: 0.8rem;
  color: #3d6d8f;
  text-decoration: none;
  padding: 0.3rem 0;
  line-height: 1.6;
  transition: color 0.2s;
}

.toc a:hover {
  color: var(--purple);
}

.toc-group {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-top: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--card-border);
}
.toc-group:first-of-type {
  margin-top: 0.1rem;
  border-top: none;
}
.toc a.toc-sub {
  padding-left: 0.75rem;
  font-size: 0.78rem;
}

/* ---- Writing filter pills ---- */
.filter-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.filter-pill {
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  font-family: inherit;
}
.filter-pill:hover {
  border-color: var(--purple);
  color: var(--purple);
}
.filter-pill[data-filter="all"].active    { background: var(--text); border-color: var(--text); color: var(--bg); }
.filter-pill[data-filter="ai"].active     { background: var(--purple); border-color: var(--purple); color: #fff; }
.filter-pill[data-filter="ld"].active     { background: var(--green);  border-color: var(--green);  color: #fff; }
.filter-pill[data-filter="creative"].active { background: var(--rose); border-color: var(--rose);   color: #fff; }

/* ---- Case Study Pages ---- */

.case-header {
  margin-bottom: 2rem;
}

.case-header .tab-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  display: block;
}

.case-header .tab-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.25rem;
}

.case-header .tags {
  margin-top: 0.75rem;
}

.demo-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.script-block {
  background: var(--card-bg);
  border-left: 3px solid var(--coral);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.script-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--coral);
  margin-bottom: 0.5rem;
}

.principle-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1rem 0;
}

.principle-title {
  font-weight: 600;
  color: var(--purple);
  display: block;
  margin-bottom: 0.5rem;
}

.approach-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 0.75rem 0;
}

.approach-title {
  font-weight: 600;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}

.sbid-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1rem 0;
}

.sbid-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.emphasize {
  color: var(--gold);
  font-weight: 600;
}

/* ---- How I Work: Data Portrait ---- */

.how-intro {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.portrait-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.portrait-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 3px solid;
  border-radius: var(--radius);
  padding: 1.25rem;
}

.portrait-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.5rem 0 0.5rem;
  line-height: 1.3;
}

.portrait-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.portrait-card p:last-child { margin-bottom: 0; }

.portrait-icon {
  display: inline-flex;
  align-items: center;
}
.portrait-icon i[data-lucide],
.portrait-icon svg {
  width: 1rem;
  height: 1rem;
}

.portrait-cycle {
  display: block;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

.portrait-stat {
  display: block;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.portrait-source {
  font-size: 0.85rem;
  margin-top: 1.25rem;
}

.portrait-source a {
  color: var(--sky);
  text-decoration: none;
  transition: color 0.2s;
}

.portrait-source a:hover {
  color: var(--purple);
}

/* ---- Footer ---- */

footer {
  background: var(--card-bg);
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 2.5rem;
  text-align: left;
  color: var(--text-faint);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

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

/* ---- Back Link ---- */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--purple);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.back-link:hover { color: var(--sky); text-decoration: underline; }

/* ---- Portfolio Section ---- */

.portfolio-section {
  position: relative;
}

.portfolio-section > .depth-orb--primary {
  width: 400px;
  height: 400px;
  top: 20%;
  right: -20%;
  opacity: 0.5;
}

.portfolio-section > .depth-orb--secondary {
  width: 350px;
  height: 350px;
  bottom: 10%;
  left: -15%;
  opacity: 0.4;
}

/* ---- Hero Entrance Animation ---- */

@keyframes fadeSlideUp {
  0% { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  animation: fadeSlideUp 0.6s ease both;
}

.hero .byline {
  animation: fadeSlideUp 0.6s ease both;
  animation-delay: 0.15s;
}

/* ---- Scroll Reveal ---- */
/* .reveal rule lives after theme transitions to preserve opacity/transform */

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children in grids */
.card-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.card-grid .reveal:nth-child(2) { transition-delay: 80ms; }
.card-grid .reveal:nth-child(3) { transition-delay: 160ms; }
.card-grid .reveal:nth-child(4) { transition-delay: 240ms; }

.stat-row .reveal:nth-child(1) { transition-delay: 0ms; }
.stat-row .reveal:nth-child(2) { transition-delay: 80ms; }
.stat-row .reveal:nth-child(3) { transition-delay: 160ms; }
.stat-row .reveal:nth-child(4) { transition-delay: 240ms; }

/* ---- Card Hover Enhancement ---- */

.card::before {
  transition: height 0.25s ease;
}

a.card:hover::before {
  height: 4px;
}

a.card:has(.icon-purple):hover {
  box-shadow: 0 8px 24px rgba(124,58,237,0.1), 0 2px 8px rgba(124,58,237,0.05);
}
a.card:has(.icon-lavender):hover {
  box-shadow: 0 8px 24px rgba(124,58,237,0.1), 0 2px 8px rgba(124,58,237,0.05);
}
a.card:has(.icon-sky):hover {
  box-shadow: 0 8px 24px rgba(74,144,217,0.1), 0 2px 8px rgba(74,144,217,0.05);
}
a.card:has(.icon-steel):hover {
  box-shadow: 0 8px 24px rgba(85,123,204,0.1), 0 2px 8px rgba(85,123,204,0.05);
}
a.card:has(.icon-gold):hover {
  box-shadow: 0 8px 24px rgba(212,160,23,0.1), 0 2px 8px rgba(212,160,23,0.05);
}
a.card:has(.icon-green):hover {
  box-shadow: 0 8px 24px rgba(52,168,83,0.1), 0 2px 8px rgba(52,168,83,0.05);
}
a.card:has(.icon-coral):hover {
  box-shadow: 0 8px 24px rgba(217,79,79,0.1), 0 2px 8px rgba(217,79,79,0.05);
}
a.card:has(.icon-rose):hover {
  box-shadow: 0 8px 24px rgba(196,112,136,0.1), 0 2px 8px rgba(196,112,136,0.05);
}
a.card:has(.icon-mauve):hover {
  box-shadow: 0 8px 24px rgba(217,79,79,0.1), 0 2px 8px rgba(217,79,79,0.05);
}

/* ---- Theme Toggle Button ---- */

.theme-toggle {
  background: none;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: rgba(0,0,0,0.2);
  background: rgba(0,0,0,0.03);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Icon visibility based on theme */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---- Theme-aware images ---- */
.img-dark { display: none; }
[data-theme="dark"] .img-light { display: none; }
[data-theme="dark"] .img-dark { display: block; }

/* ---- Dark Mode ---- */

[data-theme="dark"] {
  --bg: #110A0F;
  --card-bg: rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.08);
  --surface-hover: rgba(255,255,255,0.04);
  --text: #D2CBC7;
  --text-secondary: #B5ACA7;
  --text-muted: #908580;
  --text-faint: #645A56;

  /* Accent colors — stonerOS deck palette (lightened for dark bg) */
  --purple: #8a75d6;
  --lavender: #8a75d6;
  --sky: #7aa4cc;
  --steel: #7b9be0;
  --gold: #d4ad3a;
  --green: #66b47a;
  --coral: #d47878;
  --rose: #d48a9e;
}

[data-theme="dark"] nav {
  background: rgba(17,10,15,0.85);
  border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] footer {
  background: rgba(17,10,15,0.85);
  border-top-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] hr {
  border-top-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] blockquote {
  border-left-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
}

[data-theme="dark"] code {
  background: rgba(255,255,255,0.08);
}

[data-theme="dark"] pre {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .stat-icon {
  background: rgba(255,255,255,0.06);
}

[data-theme="dark"] .case-icon {
  background: rgba(255,255,255,0.08);
}

[data-theme="dark"] .toc {
  background: rgba(255,255,255,0.05);
}

[data-theme="dark"] .toc a {
  color: #7ab4d4;
}

[data-theme="dark"] .tag {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .section-label {
  border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] th {
  border-bottom-color: rgba(255,255,255,0.1);
}

[data-theme="dark"] td {
  border-bottom-color: rgba(255,255,255,0.05);
}

[data-theme="dark"] tr:hover td {
  background: rgba(255,255,255,0.02);
}

[data-theme="dark"] .theme-toggle {
  border-color: rgba(255,255,255,0.12);
}

[data-theme="dark"] .theme-toggle:hover {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
}

/* Smooth theme transition */
html {
  transition: background-color 0.3s ease;
}

body, nav, footer, hr, th, td,
.demo-block, .script-block, .principle-block, .approach-block, .sbid-block,
blockquote, code, pre, .theme-toggle, .case-icon, .stat-icon, .tag, .stat-block {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Elements that can also be .reveal need both theme + reveal transitions */
.card, .section-label {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1),
              background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* ---- Prev/Next Page Navigation ---- */

.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  margin-top: 3rem;
  border-top: 1px solid var(--card-border);
}

.page-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.page-nav-link:hover {
  color: var(--text);
}

.page-nav-next {
  margin-left: auto;
}

.page-nav-link i[data-lucide],
.page-nav-link svg {
  width: 0.85rem;
  height: 0.85rem;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  nav .nav-links {
    gap: 1rem;
  }

  nav .nav-links a {
    font-size: 0.8rem;
  }

  .card-grid--2col {
    grid-template-columns: 1fr;
  }

  .case-header .tab-title {
    font-size: 1.4rem;
  }

  .portrait-grid {
    grid-template-columns: 1fr;
  }

  .depth-orb--primary {
    width: 300px;
    height: 300px;
  }

  .depth-orb--secondary {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 480px) {
  .stat-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  nav .nav-inner {
    flex-direction: row;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  nav .nav-links a {
    font-size: 0;
  }

  nav .nav-links a i[data-lucide],
  nav .nav-links a svg {
    font-size: 0.9rem;
    width: 1rem;
    height: 1rem;
  }

  .hero h1 { font-size: 1.8rem; }
}

/* ---- Newsletter CTA ---- */

.newsletter-cta {
  max-width: 480px;
  margin: 3rem auto 2rem;
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
}
.newsletter-cta h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--purple);
}
.newsletter-cta p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.newsletter-cta form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}
.newsletter-cta input[type="email"] {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  flex: 1;
  max-width: 260px;
}
.newsletter-cta input[type="email"]::placeholder {
  color: var(--text-faint);
}
.newsletter-cta input[type="submit"] {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 8px;
  background: var(--purple);
  color: #fff;
  cursor: pointer;
  transition: opacity 0.15s;
}
.newsletter-cta input[type="submit"]:hover {
  opacity: 0.85;
}
@media (max-width: 480px) {
  .newsletter-cta form {
    flex-direction: column;
    align-items: stretch;
  }
  .newsletter-cta input[type="email"] {
    max-width: 100%;
  }
}