/* ============================================================
   Jan Patrick McGhee — Portfolio
   Design system: editorial-technical hybrid.
   Aesthetics: editorial | monolith | studio
   Themes: light | dark
   ============================================================ */

/* ---------- TOKENS ---------- */
:root {
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 6px;

  /* EDITORIAL · LIGHT (default) */
  --bg: oklch(97.5% 0.008 80);
  --bg-alt: oklch(94% 0.012 78);
  --ink: oklch(18% 0.015 60);
  --ink-soft: oklch(40% 0.012 60);
  --ink-mute: oklch(58% 0.010 60);
  --line: oklch(88% 0.010 70);
  --line-soft: oklch(92% 0.008 70);
  --accent: oklch(55% 0.18 30);      /* warm terracotta */
  --accent-ink: oklch(98% 0.005 80);
  --card: oklch(99% 0.005 80);
  --elev: 0 1px 2px rgba(60, 40, 20, .04), 0 8px 30px rgba(60, 40, 20, .06);
}

/* DARK theme (editorial) */
[data-theme="dark"] {
  --bg: oklch(14% 0.012 265);
  --bg-alt: oklch(18% 0.015 265);
  --ink: oklch(95% 0.010 80);
  --ink-soft: oklch(78% 0.010 80);
  --ink-mute: oklch(60% 0.012 80);
  --line: oklch(26% 0.015 265);
  --line-soft: oklch(22% 0.015 265);
  --accent: oklch(75% 0.15 70);
  --accent-ink: oklch(14% 0.012 265);
  --card: oklch(17% 0.014 265);
  --elev: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 40px rgba(0, 0, 0, .5);
}

/* MONOLITH — pure mono, high contrast, Swiss */
[data-aesthetic="monolith"] {
  --serif: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'JetBrains Mono', ui-monospace, monospace;
  --bg: oklch(98% 0 0);
  --bg-alt: oklch(94% 0 0);
  --ink: oklch(12% 0 0);
  --ink-soft: oklch(30% 0 0);
  --ink-mute: oklch(55% 0 0);
  --line: oklch(85% 0 0);
  --line-soft: oklch(90% 0 0);
  --accent: oklch(12% 0 0);
  --accent-ink: oklch(98% 0 0);
  --card: oklch(100% 0 0);
  --radius: 0px;
}
[data-aesthetic="monolith"][data-theme="dark"] {
  --bg: oklch(10% 0 0);
  --bg-alt: oklch(15% 0 0);
  --ink: oklch(96% 0 0);
  --ink-soft: oklch(75% 0 0);
  --ink-mute: oklch(55% 0 0);
  --line: oklch(25% 0 0);
  --line-soft: oklch(20% 0 0);
  --accent: oklch(96% 0 0);
  --accent-ink: oklch(10% 0 0);
  --card: oklch(13% 0 0);
}

/* STUDIO — warm, rounded, JoinPlay-adjacent */
[data-aesthetic="studio"] {
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --bg: oklch(97% 0.020 50);
  --bg-alt: oklch(94% 0.028 50);
  --ink: oklch(22% 0.020 30);
  --ink-soft: oklch(42% 0.020 30);
  --ink-mute: oklch(60% 0.020 30);
  --line: oklch(88% 0.018 50);
  --line-soft: oklch(92% 0.015 50);
  --accent: oklch(68% 0.18 35);      /* peachy coral */
  --accent-ink: oklch(18% 0.020 30);
  --card: oklch(99% 0.012 60);
  --radius: 14px;
}
[data-aesthetic="studio"][data-theme="dark"] {
  --bg: oklch(18% 0.015 30);
  --bg-alt: oklch(22% 0.020 30);
  --ink: oklch(96% 0.015 50);
  --ink-soft: oklch(78% 0.015 50);
  --ink-mute: oklch(60% 0.015 50);
  --line: oklch(30% 0.018 30);
  --line-soft: oklch(26% 0.018 30);
  --accent: oklch(72% 0.17 35);
  --accent-ink: oklch(18% 0.015 30);
  --card: oklch(21% 0.018 30);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 400ms ease, color 400ms ease;
  text-wrap: pretty;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 600; color: var(--ink); }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gutter);
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.nav__mark {
  width: 12px; height: 12px; border-radius: 3px;
  background: var(--accent);
  display: inline-block;
}
[data-aesthetic="monolith"] .nav__mark { border-radius: 0; }
.nav__links {
  display: flex; gap: 28px;
  font-family: var(--mono); font-size: 13px;
  color: var(--ink-soft);
}
.nav__links a { position: relative; padding: 4px 0; transition: color 200ms; }
.nav__links a:hover { color: var(--ink); }
.nav__links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 260ms cubic-bezier(.2,.7,.2,1);
}
.nav__links a:hover::after { transform: scaleX(1); }

.theme-toggle {
  width: 44px; height: 24px;
  border-radius: 999px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: 2px;
  cursor: pointer;
  position: relative;
  transition: background 200ms;
}
.theme-toggle__dot {
  position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--ink);
  transition: transform 280ms cubic-bezier(.2,.7,.2,1);
}
[data-theme="dark"] .theme-toggle__dot { transform: translateX(20px); background: var(--accent); }

@media (max-width: 720px) {
  .nav__links { display: none; }
}

/* ---------- HERO ---------- */
.hero {
  padding: clamp(60px, 10vw, 140px) var(--gutter) clamp(40px, 6vw, 80px);
  max-width: var(--max);
  margin: 0 auto;
}
.hero__meta {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 32px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.hero__pill {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
}
[data-aesthetic="monolith"] .hero__pill { border-radius: 0; }
.hero__loc::before { content: '●'; color: var(--accent); margin-right: 8px; font-size: 10px; vertical-align: middle; }

.hero__headline {
  font-family: var(--serif);
  font-size: clamp(42px, 7.2vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.022em;
  font-weight: 400;
  max-width: 14ch;
  margin-bottom: 36px;
}
[data-aesthetic="monolith"] .hero__headline {
  font-size: clamp(32px, 5.4vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.hero__headline em { color: var(--accent); }
[data-aesthetic="monolith"] .hero__headline em { color: inherit; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; font-style: normal; }

.hero__lede {
  max-width: 62ch;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 36px;
}
.hero__lede a { color: var(--ink); border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.hero__lede a:hover { color: var(--accent); }
.hero__lede strong { color: var(--ink); }

.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: var(--radius);
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.02em;
  transition: all 200ms;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { transform: translateY(-1px); box-shadow: var(--elev); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }

/* ---------- STATS ---------- */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(40px, 6vw, 72px) var(--gutter);
  margin: 0 auto;
  max-width: var(--max);
}
.stats__label {
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 32px;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
@media (max-width: 860px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
}
.stat {
  border-left: 1px solid var(--line-soft);
  padding-left: 20px;
}
.stat__num {
  font-family: var(--serif);
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
[data-aesthetic="monolith"] .stat__num { font-weight: 500; letter-spacing: -0.04em; }
.stat__lbl {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.06em;
  line-height: 1.4;
}

/* ---------- SECTION HEAD ---------- */
.section-head {
  max-width: var(--max);
  margin: 0 auto clamp(40px, 5vw, 72px);
  padding: 0 var(--gutter);
}
.section-head__eyebrow {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.section-head__title {
  font-family: var(--serif);
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.05;
  font-weight: 400;
  max-width: 24ch;
  letter-spacing: -0.015em;
}
[data-aesthetic="monolith"] .section-head__title {
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.2;
  font-weight: 500;
}
.section-head__title em { color: var(--accent); }
[data-aesthetic="monolith"] .section-head__title em { color: inherit; font-style: normal; text-decoration: underline; text-underline-offset: 4px; }
.section-head__sub {
  margin-top: 24px;
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: 17px;
}

/* ---------- WORK / PROJECTS ---------- */
.work {
  padding: clamp(60px, 8vw, 120px) 0;
}
.project-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: 24px;
}
.project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 300ms, transform 400ms cubic-bezier(.2,.7,.2,1), box-shadow 400ms;
  position: relative;
}
.project:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--elev);
}
.project__media {
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
  aspect-ratio: 16/10;
}
.project__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.7,.2,1);
}
.project:hover .project__media img { transform: scale(1.03); }
.project__media--dark { background: #0a0e1a; }
.project__media--icon img { object-fit: contain; padding: 18%; }

.project__body {
  padding: clamp(28px, 3vw, 44px);
  display: flex; flex-direction: column;
  gap: 16px;
  border-left: 1px solid var(--line);
}
.project__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--mono); font-size: 11px;
  padding: 4px 10px;
  background: var(--bg-alt);
  color: var(--ink-soft);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
[data-aesthetic="monolith"] .tag { border-radius: 0; }
.tag--ai {
  background: var(--accent);
  color: var(--accent-ink);
}
.project__title {
  font-family: var(--serif);
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
}
[data-aesthetic="monolith"] .project__title { font-weight: 500; }
.project__kicker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 19px;
  line-height: 1.3;
  margin: 0;
}
[data-aesthetic="monolith"] .project__kicker { font-style: normal; font-family: var(--mono); font-size: 13px; }
.project__desc {
  color: var(--ink-soft);
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
}
.project__footer {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.project__go { color: var(--ink); transition: transform 200ms; }
.project:hover .project__go { transform: translateX(4px); }

@media (max-width: 820px) {
  .project { grid-template-columns: 1fr; }
  .project__body { border-left: none; border-top: 1px solid var(--line); }
}

/* ---------- EXPERIENCE / TIMELINE ---------- */
.experience {
  padding: clamp(60px, 8vw, 120px) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.timeline {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
}
.role {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(20px, 4vw, 56px);
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.role:first-child { border-top: none; }
.role__when {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
  display: flex; gap: 6px; align-items: center;
  height: fit-content;
}
.role--current .role__when { color: var(--accent); }
.role--current .role__when::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}
.role__title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
[data-aesthetic="monolith"] .role__title { font-weight: 500; }
.role__org {
  font-family: var(--mono); font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.role__loc { color: var(--ink-mute); }
.role__lede {
  margin: 0 0 14px; color: var(--ink-soft); max-width: 58ch;
}
.role__bullets {
  display: flex; flex-direction: column; gap: 6px;
  color: var(--ink-soft);
  font-size: 15px;
}
.role__bullets li {
  position: relative;
  padding-left: 20px;
}
.role__bullets li::before {
  content: '—';
  position: absolute; left: 0;
  color: var(--ink-mute);
}
.role__bullets--metric li strong {
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
}

@media (max-width: 760px) {
  .role { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- AI PRACTICE ---------- */
.ai-practice {
  padding: clamp(60px, 8vw, 120px) 0;
}
.ai-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 960px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .ai-grid { grid-template-columns: 1fr; } }
.ai-card {
  background: var(--card);
  padding: 32px;
  display: flex; flex-direction: column; gap: 14px;
  transition: background 300ms;
}
.ai-card:hover { background: var(--bg-alt); }
.ai-card__num {
  font-family: var(--mono); font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.ai-card h3 {
  font-family: var(--serif);
  font-size: 24px; line-height: 1.15;
  letter-spacing: -0.01em;
}
.ai-card p {
  color: var(--ink-soft); margin: 0;
  font-size: 14.5px; line-height: 1.55;
}
.ai-card p a { color: var(--ink); border-bottom: 1px solid var(--accent); }
.ai-card__tools {
  margin-top: auto;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.ai-card__tools span {
  font-family: var(--mono); font-size: 11px;
  padding: 3px 8px;
  background: var(--bg-alt);
  color: var(--ink-soft);
  border-radius: 4px;
}

/* ---------- SKILLS ---------- */
.skills {
  padding: 0 0 clamp(60px, 8vw, 120px);
}
.skills__grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  border-top: 1px solid var(--line);
  padding-top: 48px;
}
@media (max-width: 820px) { .skills__grid { grid-template-columns: 1fr; gap: 32px; } }
.skill-col h4 {
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.skill-col ul { display: flex; flex-direction: column; gap: 10px; }
.skill-col li {
  color: var(--ink-soft);
  font-size: 15px;
  padding-left: 16px;
  position: relative;
}
.skill-col li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 1px;
  background: var(--accent);
}

/* ---------- CONTACT ---------- */
.contact {
  padding: clamp(60px, 8vw, 120px) var(--gutter);
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.contact__inner {
  max-width: var(--max);
  margin: 0 auto;
}
.contact__eyebrow {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-bottom: 24px;
}
.contact__headline {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 400;
  max-width: 22ch;
  margin-bottom: 20px;
}
[data-aesthetic="monolith"] .contact__headline { font-weight: 500; }
.contact__headline em { color: var(--accent); }
.contact__sub {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 48px;
}
.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 720px) { .contact__grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px;
  align-items: end;
  transition: all 240ms;
}
.contact-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.contact-card__lbl {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
  grid-column: 1 / -1;
  margin-bottom: 16px;
}
.contact-card__val {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
[data-aesthetic="monolith"] .contact-card__val { font-family: var(--mono); font-size: 15px; letter-spacing: 0; }
.contact-card__go {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 20px;
  transition: transform 200ms;
}
.contact-card:hover .contact-card__go { transform: translate(4px, -4px); }

/* ---------- FOOTER ---------- */
.site-foot {
  max-width: var(--max); margin: 0 auto;
  padding: 32px var(--gutter);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ---------- CURSOR LABEL ---------- */
.cursor-label {
  position: fixed;
  top: 0; left: 0;
  padding: 6px 12px;
  background: var(--ink); color: var(--bg);
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -140%);
  transition: opacity 180ms;
  z-index: 100;
  white-space: nowrap;
}
.cursor-label.visible { opacity: 1; }
[data-aesthetic="monolith"] .cursor-label { border-radius: 0; }

/* ---------- SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms cubic-bezier(.2,.7,.2,1), transform 800ms cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   TWEAKS PANEL
   ============================================================ */
.tweaks-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--elev);
  z-index: 200;
  width: 280px;
  display: none;
  font-family: var(--sans);
}
.tweaks-panel.on { display: block; }
.tweaks-panel__title {
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 14px;
}
.tweaks-panel__group { margin-bottom: 16px; }
.tweaks-panel__group:last-child { margin-bottom: 0; }
.tweaks-panel__lbl {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-soft);
  margin-bottom: 8px;
  display: block;
}
.tweaks-panel__row { display: flex; gap: 4px; }
.tweaks-panel__btn {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg-alt);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 180ms;
}
.tweaks-panel__btn:hover { color: var(--ink); }
.tweaks-panel__btn.on {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}

/* ============================================================
   CASE STUDY PAGES
   ============================================================ */
.case-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) var(--gutter) clamp(32px, 4vw, 56px);
}
.case-hero__back {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 32px;
  display: inline-block;
  transition: color 200ms;
}
.case-hero__back:hover { color: var(--accent); }
.case-hero__meta {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.case-hero__title {
  font-family: var(--serif);
  font-size: clamp(44px, 7vw, 96px);
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin-bottom: 20px;
}
[data-aesthetic="monolith"] .case-hero__title { font-weight: 500; }
.case-hero__kicker {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: clamp(20px, 2.2vw, 28px);
  max-width: 40ch;
  line-height: 1.3;
  margin-bottom: 32px;
}
[data-aesthetic="monolith"] .case-hero__kicker { font-style: normal; font-family: var(--mono); font-size: 14px; }

.case-shot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.case-shot__img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
}
.case-shot__img img { width: 100%; display: block; }

.case-facts {
  max-width: var(--max);
  margin: clamp(48px, 6vw, 80px) auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 720px) { .case-facts { grid-template-columns: repeat(2, 1fr); } }
.case-fact {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}
.case-fact:last-child { border-right: none; }
@media (max-width: 720px) {
  .case-fact:nth-child(2) { border-right: none; }
}
.case-fact__lbl {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.case-fact__val {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.2;
}
[data-aesthetic="monolith"] .case-fact__val { font-family: var(--mono); font-size: 14px; }

.case-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(60px, 8vw, 120px);
}
.case-body > section {
  padding: clamp(40px, 5vw, 64px) 0;
  border-top: 1px solid var(--line-soft);
}
.case-body > section:first-child { border-top: none; }
.case-body h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
  font-weight: 400;
}
[data-aesthetic="monolith"] .case-body h2 { font-weight: 500; }
.case-body h2 .num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.case-body p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 18px 0;
}
.case-body p strong { color: var(--ink); }
.case-body ul.case-list {
  display: flex; flex-direction: column; gap: 10px;
  margin: 20px 0;
}
.case-body ul.case-list li {
  padding-left: 24px;
  position: relative;
  color: var(--ink-soft);
  line-height: 1.55;
}
.case-body ul.case-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 10px; height: 1px;
  background: var(--accent);
}
.pullquote {
  font-family: var(--serif);
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding: 32px 0 32px 24px;
  border-left: 2px solid var(--accent);
  margin: 32px 0;
}
.outcomes {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0;
}
@media (max-width: 560px) { .outcomes { grid-template-columns: 1fr; } }
.outcome {
  background: var(--card);
  padding: 24px;
}
.outcome__num {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
[data-aesthetic="monolith"] .outcome__num { font-family: var(--mono); font-size: 32px; font-weight: 500; }
.outcome__lbl {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.4;
}

.case-next {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 80px) var(--gutter);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.case-next__lbl {
  font-family: var(--mono); font-size: 12px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.case-next__link {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 44px);
  letter-spacing: -0.015em;
  color: var(--ink);
  transition: color 200ms;
}
.case-next__link:hover { color: var(--accent); }
.case-next__link::after { content: ' →'; color: var(--accent); }

/* ---------- Spec-Check radar demo ---------- */
.radar-demo {
  background: #0a0e1a;
  border-radius: var(--radius);
  padding: 40px 24px;
  margin: 32px 0;
  border: 1px solid var(--line);
  position: relative;
}
.radar-demo svg { width: 100%; height: auto; max-width: 520px; margin: 0 auto; display: block; }
.radar-demo__ctrl {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.radar-demo__btn {
  padding: 8px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  border-radius: 999px;
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 200ms;
}
.radar-demo__btn:hover, .radar-demo__btn.on {
  background: rgba(99, 179, 237, 0.15);
  border-color: rgba(99, 179, 237, 0.5);
  color: #a7d3ff;
}

/* ---------- Prompt preview ---------- */
.prompt-preview {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  margin: 24px 0;
  min-height: 380px;
  overflow: hidden;
}
@media (max-width: 720px) { .prompt-preview { grid-template-columns: 1fr; } }
.prompt-list {
  border-right: 1px solid var(--line);
  padding: 12px;
  background: var(--bg-alt);
  display: flex; flex-direction: column; gap: 2px;
}
@media (max-width: 720px) { .prompt-list { border-right: none; border-bottom: 1px solid var(--line); } }
.prompt-list__item {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 180ms;
  font-family: var(--sans);
  text-align: left;
  background: transparent;
  border: none;
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px;
}
.prompt-list__item:hover { background: var(--card); }
.prompt-list__item.on { background: var(--card); color: var(--ink); }
.prompt-list__item__tag {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.prompt-detail { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.prompt-detail__title {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.2;
}
.prompt-detail__meta {
  font-family: var(--mono); font-size: 11px;
  color: var(--ink-mute);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.prompt-detail__body {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-soft);
  white-space: pre-wrap;
  flex: 1;
}

/* Soon badge */
.soon {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 4px 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  border-radius: 999px;
}
.soon::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-ink); animation: pulse 2s ease-in-out infinite;
}