/* clus.ai — global stylesheet
   Brand tokens follow the identity sheet exactly.
   No build step. Drop in and serve. */

/* ──────────────────────────────────────────
   FONTS
   Canela Semibold is a licensed Commercial Type face.
   Drop the licensed files into /assets/fonts/ and they
   will be picked up automatically. A serif fallback chain
   keeps the site presentable before the font is uploaded.
   ────────────────────────────────────────── */

@font-face {
  font-family: "Canela";
  src: url("/assets/fonts/Canela-Semibold.woff2") format("woff2"),
       url("/assets/fonts/Canela-Semibold.woff") format("woff");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Canela";
  src: url("/assets/fonts/Canela-SemiboldItalic.woff2") format("woff2"),
       url("/assets/fonts/Canela-SemiboldItalic.woff") format("woff");
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}

/* Inter from Google Fonts is loaded via <link> in each HTML page */

/* ──────────────────────────────────────────
   TOKENS
   ────────────────────────────────────────── */

:root {
  /* Palette — exact values from brand sheet */
  --ink: #0A0A0A;
  --paper: #F4F1EA;
  --signal: #FF5A1F;
  --gold: #D4A24C;
  --stone: #6B6B6B;

  /* Functional */
  --bg: var(--ink);
  --fg: var(--paper);
  --muted: #9A9A9A;
  --rule: rgba(244, 241, 234, 0.12);
  --rule-strong: rgba(244, 241, 234, 0.28);

  /* Typography */
  --font-display: "Canela", "Source Serif 4", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Scale */
  --t-display-1: clamp(3.25rem, 7vw + 1rem, 5.75rem);
  --t-display-2: clamp(2.25rem, 4.5vw + 0.5rem, 4rem);
  --t-heading: clamp(1.5rem, 1.8vw + 1rem, 1.75rem);
  --t-body: 1rem;
  --t-small: 0.8125rem;
  --t-caps: 0.75rem;

  /* Layout */
  --max-w: 1280px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 10vw, 7rem);
}

/* ──────────────────────────────────────────
   RESET + BASE
   ────────────────────────────────────────── */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.55;
  font-weight: 400;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease;
}

button { font: inherit; cursor: pointer; }

::selection { background: var(--signal); color: var(--ink); }

/* ──────────────────────────────────────────
   TYPOGRAPHY
   ────────────────────────────────────────── */

.display-1, .display-2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.02;
  margin: 0;
}

.display-1 { font-size: var(--t-display-1); }
.display-2 { font-size: var(--t-display-2); }

.display-1 em, .display-2 em {
  font-style: italic;
  color: var(--signal);
}

h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
}

h2 { font-size: var(--t-display-2); }
h3 { font-size: var(--t-heading); }

p { margin: 0 0 1.1em; max-width: 60ch; }

.lede {
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--paper);
  max-width: 56ch;
}

.caps {
  font-family: var(--font-body);
  font-size: var(--t-caps);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.caps-signal { color: var(--signal); }

.small { font-size: var(--t-small); color: var(--muted); }

/* ──────────────────────────────────────────
   LAYOUT
   ────────────────────────────────────────── */

.shell {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

section { padding-block: var(--section-y); }

.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

.rule--accent {
  height: 1px;
  width: 64px;
  background: var(--signal);
  border: 0;
  margin: 0 0 1.5rem;
}

/* ──────────────────────────────────────────
   HEADER
   ────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.logo .dot { color: var(--signal); }

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--paper);
  letter-spacing: 0.02em;
}

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

.nav__cta {
  border: 1px solid var(--rule-strong);
  padding: 0.55rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease;
}

.nav__cta:hover {
  border-color: var(--signal);
  color: var(--signal);
}

@media (max-width: 720px) {
  .nav { gap: 1rem; }
  .nav .nav__link { display: none; }
}

/* ──────────────────────────────────────────
   HERO
   ────────────────────────────────────────── */

.hero {
  padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 10vw, 7rem);
  position: relative;
  overflow: hidden;
}

.hero__index {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  color: var(--signal);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero__index .bar { width: 28px; height: 1px; background: var(--signal); }

.hero__h1 {
  max-width: 18ch;
  margin-bottom: 1.75rem;
}

.hero__sub {
  max-width: 56ch;
  font-size: 1.125rem;
  color: var(--paper);
  margin-bottom: 2.25rem;
}

.hero__sub strong { color: var(--paper); font-weight: 500; }

.hero__ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero__tag {
  color: var(--signal);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

/* Decorative dot field — references the icon mark */
.hero__field {
  position: absolute;
  right: -6%;
  top: 50%;
  transform: translateY(-50%);
  width: min(560px, 50vw);
  aspect-ratio: 1;
  background-image: radial-gradient(var(--signal) 1.5px, transparent 1.6px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle at center, #000 0%, #000 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at center, #000 0%, #000 40%, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.hero > .shell { position: relative; z-index: 1; }

@media (max-width: 900px) {
  .hero__field { opacity: 0.25; right: -20%; }
}

/* ──────────────────────────────────────────
   BUTTONS
   ────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.btn .arrow { transition: transform 200ms ease; }
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper);
}
.btn--primary:hover { background: var(--signal); border-color: var(--signal); color: var(--ink); }

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--rule-strong);
}
.btn--ghost:hover { border-color: var(--signal); color: var(--signal); }

.btn--link {
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--signal);
}

/* ──────────────────────────────────────────
   SECTION HEADERS
   ────────────────────────────────────────── */

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.section-head__index {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  color: var(--signal);
  font-size: 1.125rem;
}

.section-head h2 { max-width: 22ch; }

@media (max-width: 720px) {
  .section-head { grid-template-columns: 1fr; }
}

/* ──────────────────────────────────────────
   THREE-STEP / APPROACH
   ────────────────────────────────────────── */

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

.step {
  padding: 2.5rem 1.75rem 2.5rem 0;
  border-right: 1px solid var(--rule);
  position: relative;
}
.step:last-child { border-right: 0; padding-right: 0; }
.step:not(:first-child) { padding-left: 1.75rem; }

.step__num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--signal);
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.step__body { color: var(--paper); margin-bottom: 0; }

@media (max-width: 820px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--rule); padding: 2rem 0; }
  .step:not(:first-child) { padding-left: 0; }
  .step:last-child { border-bottom: 0; }
}

/* ──────────────────────────────────────────
   PRACTICE / LIST
   ────────────────────────────────────────── */

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

.practice-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  transition: background 200ms ease;
}

.practice-row:hover { background: rgba(255, 90, 31, 0.04); }

.practice-row__num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--signal);
  font-size: 1rem;
}

.practice-row__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.practice-row__meta {
  color: var(--stone);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .practice-row { grid-template-columns: 40px 1fr; }
  .practice-row__meta { grid-column: 2; }
}

/* ──────────────────────────────────────────
   PILLARS (NETWORK / EXECUTION / TRUST / LEVERAGE)
   ────────────────────────────────────────── */

.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.pillar {
  padding: 2.25rem 1.5rem 2.25rem 0;
  border-right: 1px solid var(--rule);
}
.pillar:last-child { border-right: 0; }
.pillar:not(:first-child) { padding-left: 1.5rem; }

.pillar__icon {
  width: 28px;
  height: 28px;
  margin-bottom: 1.25rem;
  color: var(--signal);
}

.pillar__name {
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.6rem;
}

.pillar__copy {
  font-size: 0.9375rem;
  color: var(--paper);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar { border-right: 0; padding: 1.75rem 0; border-bottom: 1px solid var(--rule); }
  .pillar:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 1.5rem; }
  .pillar:nth-child(even) { padding-left: 1.5rem; }
  .pillar:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 540px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: 0 !important; padding: 1.5rem 0; }
  .pillar:nth-child(odd), .pillar:nth-child(even) { padding-left: 0; padding-right: 0; }
  .pillar:not(:last-child) { border-bottom: 1px solid var(--rule); }
}

/* ──────────────────────────────────────────
   QUOTE / PULL
   ────────────────────────────────────────── */

.pull {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 28ch;
  margin: 0;
}

.pull em { color: var(--signal); font-style: italic; }

/* ──────────────────────────────────────────
   FOOTER
   ────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 3rem 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin: 0 0 1rem;
  font-weight: 500;
}

.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: var(--paper); font-size: 0.9375rem; }
.site-footer a:hover { color: var(--signal); }

.site-footer__base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--stone);
  font-size: 0.8125rem;
}

.network-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.network-badge .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.6);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(255, 90, 31, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
}

@media (max-width: 720px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__base { flex-direction: column; gap: 1rem; align-items: flex-start; }
}

/* ──────────────────────────────────────────
   PAGE HEADERS (interior pages)
   ────────────────────────────────────────── */

.page-head {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--rule);
}

.page-head .index {
  color: var(--signal);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.page-head h1 {
  font-family: var(--font-display);
  font-size: var(--t-display-1);
  letter-spacing: -0.015em;
  line-height: 1.02;
  font-weight: 600;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.page-head h1 em { font-style: italic; color: var(--signal); }

.page-head .lede { max-width: 60ch; }

/* ──────────────────────────────────────────
   PROSE
   ────────────────────────────────────────── */

.prose {
  max-width: 68ch;
}

.prose h2 {
  font-size: clamp(1.75rem, 2.4vw + 1rem, 2.5rem);
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.prose h2:first-child { margin-top: 0; }

.prose h3 {
  font-size: 1.375rem;
  margin-top: 2.25rem;
  margin-bottom: 0.5rem;
}

.prose p, .prose li { color: var(--paper); }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }

.prose strong { color: var(--paper); font-weight: 500; }

.prose blockquote {
  border-left: 2px solid var(--signal);
  padding-left: 1.25rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-style: italic;
  color: var(--paper);
}

/* ──────────────────────────────────────────
   CONTACT BAND
   ────────────────────────────────────────── */

.contact-band {
  border-top: 1px solid var(--rule);
  padding-block: clamp(4rem, 8vw, 6rem);
}

.contact-band__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-band h2 { max-width: 14ch; }

.contact-band__email {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  color: var(--signal);
  word-break: break-all;
}

@media (max-width: 720px) {
  .contact-band__grid { grid-template-columns: 1fr; }
}

/* ──────────────────────────────────────────
   ENTRANCE ANIMATIONS
   Subtle: only the hero gets a staggered reveal.
   ────────────────────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(8px);
    animation: reveal 700ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }
  .reveal:nth-child(1) { animation-delay: 60ms; }
  .reveal:nth-child(2) { animation-delay: 180ms; }
  .reveal:nth-child(3) { animation-delay: 320ms; }
  .reveal:nth-child(4) { animation-delay: 460ms; }
  .reveal:nth-child(5) { animation-delay: 600ms; }
}

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ──────────────────────────────────────────
   FORMS
   Brief form (inline, two-column header)
   Operator form (boxed, vertical stack)
   ────────────────────────────────────────── */

.form-tag {
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

/* Shared input baseline */
.form-brief input,
.form-brief textarea,
.operators-form input,
.operators-form select,
.operators-form textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 0.85rem 1rem;
  transition: border-color 160ms ease, background 160ms ease;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form-brief textarea,
.operators-form textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.5;
}

.form-brief input:focus,
.form-brief textarea:focus,
.operators-form input:focus,
.operators-form select:focus,
.operators-form textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: rgba(255, 90, 31, 0.04);
}

.form-brief input::placeholder,
.form-brief textarea::placeholder,
.operators-form input::placeholder,
.operators-form textarea::placeholder {
  color: var(--stone);
}

/* ── Brief form (homepage CTA, two-up + textarea + button) ── */

.form-brief {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 720px;
}

.brief-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-brief button {
  align-self: flex-start;
  margin-top: 0.5rem;
  min-width: 220px;
  justify-content: center;
}

@media (max-width: 620px) {
  .brief-row { grid-template-columns: 1fr; }
  .form-brief button { width: 100%; min-width: 0; }
}

/* ── Operator form (network page, boxed) ── */

.operators-form {
  border: 1px solid var(--rule-strong);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: rgba(244, 241, 234, 0.015);
  max-width: 540px;
}

.operators-form label {
  display: block;
  margin-bottom: 1.1rem;
}

.operators-form label span {
  display: block;
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.operators-form select {
  cursor: pointer;
  /* Custom caret since we hid native */
  background-image: linear-gradient(45deg, transparent 50%, var(--stone) 50%),
                    linear-gradient(135deg, var(--stone) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

.operators-form select option {
  background: var(--ink);
  color: var(--paper);
}

.operators-form button {
  width: 100%;
  justify-content: center;
}

.form-fine {
  margin-top: 0.85rem;
  font-size: var(--t-caps);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ── Submission states ── */

.form-error {
  margin-top: 0.85rem;
  padding: 0.75rem 0.9rem;
  border-left: 2px solid var(--signal);
  background: rgba(255, 90, 31, 0.05);
  color: var(--paper);
  font-size: 0.875rem;
}

.form-submitting button {
  opacity: 0.6;
  pointer-events: none;
}

.form-submitting .btn-label::after {
  content: " …";
}

.form-success {
  text-align: center;
  padding: 2rem 1rem;
}

.form-success .success-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
}

.form-success p {
  color: var(--paper);
  max-width: 36ch;
  margin: 0 auto;
}

/* Brief form success — centered under the headline area */
.brief-success {
  text-align: center;
  padding: 1.5rem 0;
  max-width: 520px;
}

/* ──────────────────────────────────────────
   NOTES (article index + individual articles)
   ────────────────────────────────────────── */

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

.note-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--rule);
  transition: background 200ms ease;
}

.note-row:hover { background: rgba(255, 90, 31, 0.03); }

.note-row__meta {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--signal);
  font-size: 1rem;
  padding-top: 0.4rem;
}

.note-row__topic {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 0.4rem;
}

.note-row__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.note-row__title em {
  color: var(--signal);
  font-style: italic;
}

.note-row__dek {
  color: var(--paper);
  margin: 0 0 1rem;
  max-width: 60ch;
  line-height: 1.55;
}

.note-row__readmore {
  color: var(--signal);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 720px) {
  .note-row { grid-template-columns: 1fr; }
}

/* Individual article header */

.article-head {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--rule);
}

.article-head .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1.75rem;
  color: var(--stone);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.article-head .meta-row .topic {
  color: var(--signal);
}

.article-head h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw + 0.5rem, 3.75rem);
  letter-spacing: -0.015em;
  line-height: 1.05;
  font-weight: 600;
  margin: 0 0 1.25rem;
  max-width: 22ch;
}

.article-head h1 em { font-style: italic; color: var(--signal); }

.article-head .dek {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--paper);
  max-width: 56ch;
  margin: 0;
}

/* Article body */

.article-body {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.article-body .prose {
  max-width: 64ch;
}

.article-body .prose h2 {
  font-size: clamp(1.625rem, 1.6vw + 1rem, 2rem);
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.article-body .prose h2:first-child { margin-top: 0; }

.article-body .prose h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.article-body .prose p {
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 1.25em;
}

.article-body .prose ul, .article-body .prose ol {
  font-size: 1.0625rem;
  line-height: 1.6;
  padding-left: 1.5rem;
  margin-bottom: 1.5em;
}

.article-body .prose li { margin-bottom: 0.5rem; }

.article-body .prose blockquote {
  border-left: 2px solid var(--signal);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.3;
  color: var(--paper);
  max-width: 50ch;
}

/* Numbered callout / aside box */
.callout {
  border: 1px solid var(--rule-strong);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  background: rgba(244, 241, 234, 0.02);
}

.callout .label {
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.5rem;
  display: block;
}

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

/* Stat row inside articles */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0 2.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stat-row__item .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--signal);
  display: block;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-row__item .label {
  font-size: 0.8125rem;
  color: var(--stone);
  line-height: 1.4;
}

@media (max-width: 720px) {
  .stat-row { grid-template-columns: 1fr; gap: 1rem; }
}

/* Footnotes */

.footnotes {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  font-size: 0.875rem;
  color: var(--stone);
}

.footnotes h3 {
  font-family: var(--font-body);
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  font-weight: 500;
  margin: 0 0 1rem;
}

.footnotes ol { padding-left: 1.5rem; }
.footnotes li { margin-bottom: 0.5rem; line-height: 1.5; }
.footnotes a { color: var(--paper); border-bottom: 1px solid var(--rule-strong); }
.footnotes a:hover { color: var(--signal); }

/* Article navigation (next/prev) */

.article-nav {
  border-top: 1px solid var(--rule);
  padding-block: 3rem;
}

.article-nav__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.article-nav a {
  display: block;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule-strong);
  transition: border-color 160ms ease;
}

.article-nav a:hover { border-color: var(--signal); }

.article-nav .label {
  font-size: var(--t-caps);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  display: block;
  margin-bottom: 0.5rem;
}

.article-nav .title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--paper);
  line-height: 1.25;
}

.article-nav .next { text-align: right; }

@media (max-width: 720px) {
  .article-nav__grid { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
}