/* ==========================================================================
   PageWeave Academy — dark editorial system
   Paper #121118 · Ink #edecef · Iris #a79bf5
   ========================================================================== */

:root {
  --font-sans: "Schibsted Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Fraunces", ui-serif, Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --paper: #121118;
  --paper-2: #191820;
  --paper-3: #23222b;
  --ink: #edecef;
  --ink-dim: #b9b6c4;
  --ink-faint: #8f8b9c;
  --iris: #a79bf5;
  --iris-strong: #8b5cf6;
  --iris-deep: #6d4bd8;
  --success: #7fb08a;
  --warning: #d9a45b;
  --error: #d97b6c;
  --rule: rgba(237, 236, 239, 0.12);
  --rule-soft: rgba(237, 236, 239, 0.07);
  --rule-strong: rgba(237, 236, 239, 0.24);
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --measure: 68ch;
  --wide: 72rem;
  --radius: 6px;
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background:
    radial-gradient(60rem 32rem at 78% -8%, rgba(139, 92, 246, 0.10), transparent 65%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--iris-strong);
  color: #fff;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--iris);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap-narrow {
  width: 100%;
  max-width: 50rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--rule-soft);
}

.section:first-of-type {
  border-top: 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.section-head p {
  margin: 0.35rem 0 0;
  color: var(--ink-dim);
  max-width: 40rem;
}

.section-link {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 0.25rem;
  transition: color 0.2s, border-color 0.2s;
}

.section-link:hover {
  color: var(--iris);
  border-color: var(--iris);
}

/* ---------- type ---------- */

.display-1,
.display-2,
.display-3 {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-weight: 400;
  color: var(--ink);
  margin: 0;
}

.display-1 {
  font-size: clamp(2.7rem, 6.4vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.display-2 {
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.display-3 {
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.012em;
}

.display em {
  font-style: italic;
  font-weight: 350;
  color: var(--iris);
}

.lede {
  margin: 0;
  color: var(--ink-dim);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.65;
  max-width: 38rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.kicker::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 1px;
  background: var(--iris);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.meta-row > * + *::before {
  content: "·";
  margin-right: 0.9rem;
  color: var(--rule-strong);
}

/* ---------- links & buttons ---------- */

.text-link {
  color: var(--ink);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.3s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s;
}

.text-link:hover {
  color: var(--iris);
  background-size: 100% 1px;
}

.text-link-iris {
  color: var(--iris);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s, border-color 0.2s, color 0.2s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--iris-strong);
  color: #0b0812;
  border-color: var(--iris-strong);
}

.btn-primary:hover {
  background: var(--iris);
  border-color: var(--iris);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}

.btn-ghost:hover {
  border-color: var(--iris);
  color: var(--iris);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--rule);
  background: rgba(18, 17, 24, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 100%;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
}

.wordmark .wm-academy {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--iris);
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav .nav-cta {
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
}

.site-nav .nav-cta:hover {
  border-color: var(--iris);
  color: var(--iris);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule-strong);
  cursor: pointer;
}

.nav-toggle {
  position: relative;
}

.nav-toggle-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1rem;
  height: 1px;
  background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle-bar:nth-of-type(2) {
  transform: translate(-50%, -6px);
}

.nav-toggle-bar:nth-of-type(3) {
  transform: translate(-50%, 0);
}

.nav-toggle-bar:nth-of-type(4) {
  transform: translate(-50%, 6px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(2) {
  transform: translate(-50%, 0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(4) {
  transform: translate(-50%, 0) rotate(-45deg);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
  }
  .site-nav.is-open {
    display: flex;
  }
  .site-nav a {
    width: 100%;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--rule-soft);
  }
  .site-nav .nav-cta {
    margin-top: 0.75rem;
    border-bottom: 1px solid var(--rule-strong);
    text-align: center;
  }
}

/* ---------- hero ---------- */

.hero {
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(3rem, 6vw, 5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.hero-copy .display-1 {
  margin-top: 1.25rem;
}

.hero-copy .lede {
  margin-top: 1.5rem;
}

.hero-actions {
  margin-top: 2rem;
}

.hero-note {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero-panel {
  border: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(25, 24, 32, 0.95), rgba(18, 17, 24, 0.6));
  padding: 1.5rem;
}

.hero-panel .mono {
  display: block;
  margin-bottom: 1rem;
}

.workflow {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.6rem;
  font-size: 0.875rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--rule-soft);
}

.workflow li:first-child {
  border-top: 0;
}

.workflow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--iris);
  border-radius: 999px;
}

.workflow li strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .hero-panel {
    max-width: 32rem;
  }
}

/* ---------- tutorial cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule-soft);
  border-left: 1px solid var(--rule-soft);
}

.card-grid > * {
  border-right: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.card-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tutorial-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
  padding: clamp(1.25rem, 2.4vw, 1.9rem);
  background: var(--paper);
  transition: background-color 0.25s;
}

.tutorial-card:hover {
  background: var(--paper-2);
}

.tutorial-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tutorial-card .card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

.tutorial-card:hover .card-title {
  color: var(--iris);
}

.tutorial-card .card-summary {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.tutorial-card .card-foot {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.tutorial-card .card-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.tutorial-card .card-arrow {
  margin-left: auto;
  color: var(--ink-faint);
  transition: color 0.2s, transform 0.2s;
}

.tutorial-card:hover .card-arrow {
  color: var(--iris);
  transform: translateX(3px);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(167, 155, 245, 0.32);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iris);
  white-space: nowrap;
}

.chip-muted {
  border-color: var(--rule-strong);
  color: var(--ink-faint);
}

/* ---------- featured ---------- */

.featured {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.featured-copy {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.featured-copy .display-2 {
  text-wrap: balance;
}

.featured-copy .card-summary {
  margin: 0;
  color: var(--ink-dim);
  max-width: 34rem;
}

.featured-side {
  position: relative;
  min-height: 20rem;
  border-left: 1px solid var(--rule);
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.14), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 39px, var(--rule-soft) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, var(--rule-soft) 39px 40px),
    var(--paper);
  display: grid;
  place-items: center;
  padding: 2rem;
}

.featured-side .spec-stack {
  width: 100%;
  max-width: 17rem;
  display: grid;
  gap: 0.5rem;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--rule);
  background: rgba(18, 17, 24, 0.82);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.spec-row strong {
  color: var(--ink);
  font-weight: 500;
}

.spec-row.is-accent {
  border-color: rgba(167, 155, 245, 0.45);
  color: var(--iris);
}

@media (max-width: 860px) {
  .featured {
    grid-template-columns: 1fr;
  }
  .featured-side {
    border-left: 0;
    border-top: 1px solid var(--rule);
    min-height: 15rem;
  }
}

/* ---------- paths ---------- */

.path-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--rule);
  background: var(--paper);
  transition: border-color 0.25s, background-color 0.25s;
}

.path-card:hover {
  border-color: var(--rule-strong);
  background: var(--paper-2);
}

.path-card .path-outcome {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.9375rem;
}

.path-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.path-steps li {
  counter-increment: step;
  display: flex;
  gap: 0.85rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 0.875rem;
  color: var(--ink-dim);
}

.path-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  padding-top: 0.15rem;
}

.path-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- topics ---------- */

.topic-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  transition: border-color 0.25s, background-color 0.25s;
}

.topic-card:hover {
  border-color: rgba(167, 155, 245, 0.4);
  background: var(--paper-2);
}

.topic-card .topic-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}

.topic-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.topic-card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.875rem;
  line-height: 1.55;
}

.topic-card .topic-count {
  margin-top: auto;
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- editorial statement ---------- */

.statement {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.statement .display-2 {
  text-wrap: balance;
}

.statement-copy p {
  margin: 0 0 1rem;
  color: var(--ink-dim);
  font-size: 1.0625rem;
  line-height: 1.7;
  max-width: 44rem;
}

.statement-copy p:last-child {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .statement {
    grid-template-columns: 1fr;
  }
}

/* ---------- article ---------- */

.article-header {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--rule);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--rule-strong);
}

.breadcrumb a:hover {
  color: var(--iris);
}

.article-header .display-1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  max-width: 20ch;
  text-wrap: balance;
  margin-top: 1rem;
}

.article-subtitle {
  margin: 1.25rem 0 0;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 52ch;
}

.article-meta {
  margin-top: 1.75rem;
}

.article-hero {
  margin-top: 2rem;
  border: 1px solid var(--rule);
  overflow: hidden;
  background: var(--paper-2);
}

.article-hero img {
  display: block;
  width: 100%;
}

.article-layout {
  display: grid;
  min-width: 0;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

.article-layout > * {
  min-width: 0;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  display: grid;
  gap: 1.5rem;
}

.toc-block {
  border-top: 1px solid var(--rule);
  padding-top: 0.9rem;
}

.toc-label {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toc-label::-webkit-details-marker {
  display: none;
}

.toc-label::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.toc-block[open] .toc-label::after {
  content: "–";
}

.toc-label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.1rem;
}

.toc-block nav {
  margin-top: 0.75rem;
}

.toc a {
  display: block;
  padding: 0.3rem 0 0.3rem 0.75rem;
  border-left: 1px solid var(--rule);
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--ink-faint);
  transition: color 0.2s, border-color 0.2s;
}

.toc a:hover,
.toc a.is-active {
  color: var(--ink);
  border-color: var(--iris);
}

.toc .toc-sub a {
  padding-left: 1.5rem;
  font-size: 0.75rem;
}

.aside-card {
  border: 1px solid var(--rule);
  padding: 1rem;
  background: var(--paper-2);
}

.aside-card p {
  margin: 0.4rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ink-dim);
}

.aside-card .btn {
  width: 100%;
  margin-top: 0.9rem;
}

@media (max-width: 960px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-aside {
    position: static;
    order: -1;
  }
  .toc-block {
    border: 1px solid var(--rule);
    padding: 0.85rem 1rem;
    background: var(--paper-2);
  }
  .toc-block[open] {
    padding-bottom: 1rem;
  }
  .toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1rem;
  }
  .aside-card {
    display: none;
  }
}

/* ---------- answer / goals ---------- */

.answer-box {
  margin: 0 0 2rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(167, 155, 245, 0.35);
  border-left: 2px solid var(--iris);
  background: rgba(139, 92, 246, 0.07);
}

.answer-box .mono {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--iris);
}

.answer-box p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 2.5rem;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}

.goals-grid > div {
  padding: 1.1rem 1.25rem;
  background: var(--paper-2);
}

.goals-grid .mono {
  display: block;
  margin-bottom: 0.6rem;
}

.goals-grid ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-dim);
  font-size: 0.875rem;
  line-height: 1.55;
}

.goals-grid li + li {
  margin-top: 0.35rem;
}

@media (max-width: 700px) {
  .article-body table {
    display: block;
    overflow-x: auto;
  }
  .goals-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- prose ---------- */

.article-body {
  max-width: var(--measure);
  overflow-wrap: break-word;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-dim);
}

.article-body > *:first-child {
  margin-top: 0;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--ink);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 2.6vw, 2.15rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.article-body h3 {
  font-family: var(--font-sans);
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 2.25rem 0 0.65rem;
}

.article-body h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 2rem 0 0.5rem;
  color: var(--ink-faint);
}

.article-body p {
  margin: 0 0 1.15rem;
}

.article-body strong {
  color: var(--ink);
  font-weight: 600;
}

.article-body em {
  color: var(--ink);
}

.article-body a {
  color: var(--iris);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(167, 155, 245, 0.45);
  transition: text-decoration-color 0.2s;
}

.article-body a:hover {
  text-decoration-color: var(--iris);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.goals-grid ul {
  list-style: disc;
}

.article-body li {
  margin-bottom: 0.45rem;
}

.article-body li::marker {
  color: var(--iris);
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

.article-body blockquote {
  margin: 1.75rem 0;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--rule-strong);
  background: var(--paper-2);
  color: var(--ink-dim);
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body blockquote.callout-tip {
  border-left-color: var(--iris);
  background: rgba(139, 92, 246, 0.07);
}

.article-body blockquote.callout-warn {
  border-left-color: var(--warning);
  background: rgba(217, 164, 91, 0.06);
}

.article-body blockquote.callout-why {
  border-left-color: #8fb8d8;
  background: rgba(143, 184, 216, 0.06);
}

.article-body blockquote.callout-check {
  border-left-color: var(--success);
  background: rgba(127, 176, 138, 0.07);
}

.article-body blockquote .callout-label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.article-body code {
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.12em 0.35em;
  border: 1px solid var(--rule-soft);
  background: var(--paper-3);
  border-radius: 3px;
  color: var(--ink);
}

.article-body pre {
  position: relative;
  background: #15141b !important;
  margin: 1.5rem 0;
  padding: 1.1rem 1.2rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: #15141b;
  font-size: 0.8125rem;
  line-height: 1.65;
  tab-size: 2;
}

.article-body pre span {
  color: inherit !important;
}

.article-body pre code {
  overflow-wrap: normal;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: inherit;
  color: var(--ink);
}

.article-body table {
  width: 100%;
  margin: 1.75rem 0;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.article-body th,
.article-body td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom-color: var(--rule-strong);
}

.article-body img {
  display: block;
  width: 100%;
  margin: 1.75rem 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.article-body figure {
  margin: 1.75rem 0;
}

.article-body figure img {
  margin: 0;
}

.article-body figcaption {
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink-faint);
}

/* ---------- code toolbar ---------- */

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s, border-color 0.2s;
}

pre:hover .copy-btn,
.copy-btn:focus-visible {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--ink);
  border-color: var(--iris);
}

@media (pointer: coarse) {
  .copy-btn {
    opacity: 1;
  }
}

/* ---------- series / next ---------- */

.series-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.next-card {
  display: grid;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  transition: border-color 0.25s;
}

.next-card:hover {
  border-color: var(--iris);
}

.next-card .mono {
  color: var(--iris);
}

.next-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.next-card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.9375rem;
}

/* ---------- feedback ---------- */

.feedback {
  margin-top: 2.5rem;
  padding: 1.4rem;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.feedback h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
}

.feedback p {
  margin: 0.4rem 0 1.1rem;
  color: var(--ink-dim);
  font-size: 0.875rem;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.choice span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.choice input:checked + span {
  border-color: var(--iris);
  background: rgba(139, 92, 246, 0.12);
  color: var(--ink);
}

.choice input:focus-visible + span {
  outline: 2px solid var(--iris);
  outline-offset: 2px;
}

.feedback textarea {
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem;
  min-height: 5.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.9375rem;
  resize: vertical;
}

.feedback textarea::placeholder {
  color: var(--ink-faint);
}

.feedback .form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.feedback .privacy {
  margin: 0;
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--ink-faint);
  max-width: 26rem;
}

/* ---------- author ---------- */

.author-box {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.author-box .author-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--iris);
}

.author-box .author-copy {
  flex: 1;
  min-width: 14rem;
}

.author-box p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink-faint);
  max-width: 44rem;
}

.author-box strong {
  color: var(--ink);
}

/* ---------- index / listing ---------- */

.page-header {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
}

.page-header .display-1 {
  margin-top: 1rem;
  max-width: 16ch;
  text-wrap: balance;
}

.page-header .lede {
  margin-top: 1.25rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.filter-row a {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: border-color 0.2s, color 0.2s;
}

.filter-row a:hover,
.filter-row a.is-active {
  border-color: var(--iris);
  color: var(--iris);
}

.list {
  border-top: 1px solid var(--rule);
}

.list-item {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--rule);
}

.list-item:hover .list-title {
  color: var(--iris);
}

.list-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  padding-top: 0.4rem;
}

.list-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  transition: color 0.2s;
}

.list-summary {
  margin: 0.45rem 0 0;
  color: var(--ink-dim);
  font-size: 0.9375rem;
  line-height: 1.55;
  max-width: 46rem;
}

.list-meta {
  margin-top: 0.75rem;
}

.list-side {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.4rem;
  text-align: right;
}

@media (max-width: 760px) {
  .list-item {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 0.75rem;
  }
  .list-side {
    display: none;
  }
}

.card-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pager a {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--rule);
}

.pager a:hover {
  border-color: var(--iris);
  color: var(--iris);
}

/* ---------- footer ---------- */

.site-footer {
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
  background: #0f0e14;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.8fr);
  gap: 2rem;
}

.footer-brand p {
  margin: 0.9rem 0 0;
  max-width: 20rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ink-faint);
}

.footer-col h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.footer-col a {
  font-size: 0.8125rem;
  color: var(--ink-dim);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--iris);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

@media (max-width: 820px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- reveal ---------- */

.reveal {
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- responsive grid ---------- */

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .kicker-series {
    display: none;
  }
  .meta-row > * + *::before {
    content: none;
    margin: 0;
  }
  .meta-row {
    gap: 0.35rem 0.7rem;
  }
}

@media (max-width: 640px) {
  .card-grid,
  .card-grid-2 {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .article-body {
    font-size: 1rem;
  }
  .toc ol {
    grid-template-columns: 1fr;
  }
}

/* ---------- utilities ---------- */

.section-flush {
  padding-top: 0;
  border-top: 0;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 0.75rem;
}

.mt-2 {
  margin-top: 1.5rem;
}

.mt-3 {
  margin-top: 3rem;
}

.topic-intro {
  margin-top: 1.75rem;
}

.topic-intro p {
  font-size: 1.0625rem;
  color: var(--ink-dim);
  max-width: 46rem;
}

.video-embed {
  position: relative;
  margin-top: 2.5rem;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.feedback fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}

.feedback-email {
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
}

.feedback-email::placeholder {
  color: var(--ink-faint);
}

.related-grid {
  margin-top: 1.25rem;
}

.path-hero-meta {
  margin-top: 1.5rem;
}

.path-outcomes {
  margin-bottom: 3rem;
}

.path-start {
  margin-top: 3rem;
}

/* ---------- print ---------- */

@media print {
  .site-header,
  .site-footer,
  .article-aside,
  .feedback,
  .series-nav,
  .next-card,
  .copy-btn {
    display: none !important;
  }
  body {
    background: #fff;
    color: #111;
  }
  .article-body,
  .article-body h2,
  .article-body h3,
  .article-body strong,
  .article-header .display-1,
  .article-subtitle {
    color: #111;
  }
  .article-body a {
    color: #111;
    text-decoration: underline;
  }
  .article-layout {
    display: block;
  }
  .article-body pre {
    border: 1px solid #ccc;
    background: #f7f7f7;
    color: #111;
  }
}