/* ==========================================================================
   TCL Clear 3 — The Curious Lab
   Editorial lab aesthetic: readable long-form, dense magazine front, live data.
   BEM naming. Light and dark themes via [data-theme] on <html>.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fonts
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Aeonik";
  src: url("../fonts/aeonik/aeonik-regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Aeonik";
  src: url("../fonts/aeonik/aeonik-bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  /* Brand */
  --brand: #100274;
  --brand-bright: #992ff7;
  --brand-grad: linear-gradient(135deg, #992ff7 0%, #5a17c9 45%, #100274 100%);
  --band-bg: #0c0540;
  --band-bg-2: #160a5c;
  --band-ink: #f3efff;
  --band-ink-2: #b9addf;
  --band-line: rgba(255, 255, 255, 0.12);

  /* Surfaces & ink (light) */
  --bg: #f7f7fa;
  --surface: #ffffff;
  --surface-2: #f0eff6;
  --surface-3: #e7e5f0;
  --ink: #14121d;
  --ink-2: #454256;
  --ink-3: #6b687b;
  --line: #e4e2ec;
  --line-strong: #cfccdc;
  --accent: #7021d8;
  --accent-ink: #5b16b8;
  --accent-soft: #f1e8ff;
  --success: #0f8a5f;
  --danger: #c9372c;
  --shadow-sm: 0 1px 2px rgba(20, 18, 29, 0.06), 0 1px 1px rgba(20, 18, 29, 0.04);
  --shadow-md: 0 8px 24px -8px rgba(20, 18, 29, 0.14), 0 2px 6px rgba(20, 18, 29, 0.05);
  --shadow-lg: 0 24px 60px -16px rgba(16, 2, 116, 0.28);
  --overlay: rgba(12, 10, 24, 0.55);
  --header-bg: rgba(255, 255, 255, 0.88);

  /* Type */
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Aeonik", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-read: "Source Serif 4", "Source Serif Pro", Georgia, Cambria, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --read-size: 1.1875rem;
  --read-font: var(--font-read);

  /* Layout */
  --container: 1280px;
  --gutter: clamp(16px, 4vw, 32px);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --header-h: 64px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0a12;
  --surface: #14131d;
  --surface-2: #1b1a27;
  --surface-3: #252336;
  --ink: #efedf7;
  --ink-2: #bebacd;
  --ink-3: #908ba4;
  --line: #262436;
  --line-strong: #37344b;
  --accent: #b886ff;
  --accent-ink: #c9a3ff;
  --accent-soft: #231a3d;
  --success: #3ccf95;
  --danger: #ff6b5e;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 60px -16px rgba(0, 0, 0, 0.7);
  --overlay: rgba(4, 3, 10, 0.72);
  --header-bg: rgba(14, 13, 22, 0.86);
  --band-bg: #0e0838;
  --band-bg-2: #1a0e5e;
}

/* No-JS fallback follows the system theme. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0b0a12;
    --surface: #14131d;
    --surface-2: #1b1a27;
    --surface-3: #252336;
    --ink: #efedf7;
    --ink-2: #bebacd;
    --ink-3: #908ba4;
    --line: #262436;
    --line-strong: #37344b;
    --accent: #b886ff;
    --accent-ink: #c9a3ff;
    --accent-soft: #231a3d;
    --header-bg: rgba(14, 13, 22, 0.86);
  }
}

:root[data-read-size="s"] { --read-size: 1.0625rem; }
:root[data-read-size="l"] { --read-size: 1.3125rem; }
:root[data-read-font="sans"] { --read-font: var(--font-ui); }

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 56px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

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

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

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

button { cursor: pointer; background: none; border: 0; padding: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
figure { margin: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: var(--brand-bright); color: #fff; }

[hidden] { display: none !important; }

.sr-only,
.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

.icon { flex: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(760px + 2 * var(--gutter)); }
.container--wide { max-width: calc(1160px + 2 * var(--gutter)); }
.container--tool { max-width: calc(1100px + 2 * var(--gutter)); }
.container--article-head { max-width: calc(880px + 2 * var(--gutter)); }

/* --------------------------------------------------------------------------
   4. Small components
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--light { color: #d6bfff; }

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4d5e;
  box-shadow: 0 0 0 0 rgba(255, 77, 94, 0.6);
  animation: live-pulse 2s infinite;
  flex: none;
}
@keyframes live-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(255, 77, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--accent); color: #fff; }
.btn--ghost { border-color: var(--line-strong); color: var(--ink); background: var(--surface); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--light { background: #fff; color: #120a3d; }
.btn--light:hover { background: #ede4ff; }
.btn .icon { transition: transform 0.2s var(--ease); }
.btn:hover .icon--arrow-right { transform: translateX(3px); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--ink-2);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon-btn--outline { border: 1px solid var(--line-strong); }
.icon-btn--outline:hover { border-color: var(--ink); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--surface-2);
  color: var(--ink-2);
  white-space: nowrap;
}
.pill--new { background: #ffe8ea; color: #b4232f; }
:root[data-theme="dark"] .pill--new { background: #3a1419; color: #ff8b95; }
.pill--path { background: var(--accent-soft); color: var(--accent-ink); }
.pill--path:hover { background: var(--accent); color: #fff; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.chip__count { font-family: var(--font-mono); font-size: 0.72rem; opacity: 0.7; }

.topic-badge {
  --topic: var(--accent);
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}
a.topic-badge:hover { color: var(--topic); }
.topic-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--topic, var(--accent));
  flex: none;
}
.topic-badge--chip {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.topic-badge--chip:hover { border-color: var(--topic); }

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-ink);
}
.more-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.label-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-3);
}

/* --------------------------------------------------------------------------
   5. Top bar, header, topic rail, mega panel
   -------------------------------------------------------------------------- */
.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 1100;
  pointer-events: none;
}
.reading-progress__bar {
  height: 100%;
  background: var(--brand-grad);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

.topbar {
  background: var(--band-bg);
  color: var(--band-ink-2);
  font-size: 0.8rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 38px;
}
.topbar__date { white-space: nowrap; }
.topbar__pulse {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
  justify-content: center;
  color: var(--band-ink);
}
.topbar__pulse:hover .topbar__pulse-text { text-decoration: underline; text-underline-offset: 3px; }
.topbar__pulse-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ff9aa4;
  white-space: nowrap;
}
.topbar__pulse-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar__pulse strong { color: #fff; font-weight: 600; }
.topbar__social { display: flex; gap: 14px; margin-left: auto; }
.topbar__social a { color: var(--band-ink-2); }
.topbar__social a:hover { color: #fff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s;
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 0; } }

.site-header__row {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--ink);
}
.brand__mark { width: 34px; height: 34px; }
.brand__mark--dark { display: none; }
:root[data-theme="dark"] .brand__mark--light { display: none; }
:root[data-theme="dark"] .brand__mark--dark { display: block; }
.brand__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand--custom img { max-height: 40px; width: auto; }

.primary-nav { flex: 1; min-width: 0; }
.primary-nav__list { display: flex; align-items: center; gap: 2px; }
.primary-nav__list > li { position: relative; }
.primary-nav__list a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color 0.2s, background-color 0.2s;
}
.primary-nav__list a:hover,
.primary-nav__list .current-menu-item > a { color: var(--ink); background: var(--surface-2); }
.primary-nav__list .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}
.primary-nav__list li:hover > .sub-menu,
.primary-nav__list li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }

.site-header__actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 8px 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-3);
  font-size: 0.875rem;
  transition: border-color 0.2s, color 0.2s;
}
.search-trigger:hover { border-color: var(--line-strong); color: var(--ink); }
.search-trigger__text { min-width: 110px; text-align: left; }

.theme-toggle .theme-toggle__sun { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__sun { display: block; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__moon { display: none; }

.menu-toggle { display: none; }

.topic-rail { border-top: 1px solid var(--line); }
.topic-rail__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 46px;
}
.topic-rail__all {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.8rem;
  font-weight: 600;
  flex: none;
}
.topic-rail__all[aria-expanded="true"] .topic-rail__chev { transform: rotate(180deg); }
.topic-rail__chev { transition: transform 0.2s; }
.topic-rail__list {
  display: flex;
  gap: 4px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  mask-image: linear-gradient(90deg, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.topic-rail__list::-webkit-scrollbar { display: none; }
.topic-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-2);
  white-space: nowrap;
}
.topic-rail__list a:hover,
.topic-rail__list a[aria-current] { background: var(--surface-2); color: var(--ink); }
.topic-rail__hubs { display: flex; gap: 4px; flex: none; }
.topic-rail__hubs a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-ink);
  white-space: nowrap;
}
.topic-rail__hubs a:hover { background: var(--accent-soft); }

.mega {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  /* Never taller than the screen: the header is sticky, so the page can't scroll to reach
     anything below the fold. Long content scrolls inside the panel instead. */
  /* header + topic rail (47px) + top bar (38px, visible before scrolling) + breathing room */
  max-height: calc(100vh - var(--header-h) - 96px);
  max-height: calc(100dvh - var(--header-h) - 96px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  animation: drop-in 0.22s var(--ease);
}
@keyframes drop-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.mega__inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding-block: 28px 32px;
}
.mega__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 14px;
}
.mega__topic {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: background-color 0.2s;
}
.mega__topic:hover { background: var(--surface-2); }
.mega__icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: var(--topic);
  background: color-mix(in srgb, var(--topic) 14%, transparent);
}
.mega__name { font-weight: 600; font-size: 0.95rem; }
.mega__count { font-size: 0.78rem; color: var(--ink-3); }
.mega__side { display: flex; flex-direction: column; gap: 12px; }
.mega__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.mega__foot-label {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.mega__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: border-color 0.2s, color 0.2s;
}
.mega__chip:hover { border-color: var(--ink); color: var(--ink); }
.mega__chip--plain { margin-left: auto; border-color: transparent; color: var(--accent-ink); font-weight: 600; }
/* Compact tracker card inside the panel */
.mega .tracker-card { padding: 16px 18px; gap: 6px; }
.mega .tracker-card__desc,
.mega .tracker-card__scale { display: none; }
.mega .tracker-card__bar { margin: 6px 0 2px; }
.mega__feature { padding: 16px 18px; }
.mega__feature {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-radius: var(--radius-lg);
  background: var(--brand-grad);
  color: #fff;
}
.mega__feature .eyebrow { color: #e7d7ff; }
.mega__feature strong { font-family: var(--font-head); font-size: 1.25rem; }
.mega__feature span:last-child { font-size: 0.875rem; color: #e2d9ff; }


/* Drawer */
.drawer { position: fixed; inset: 0; z-index: 2000; }
.drawer__backdrop { position: absolute; inset: 0; background: var(--overlay); animation: fade-in 0.2s; }
.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 92vw);
  padding: 16px 20px 32px;
  background: var(--surface);
  overflow-y: auto;
  animation: slide-in 0.28s var(--ease);
}
@keyframes slide-in { from { transform: translateX(100%); } to { transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.drawer__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.drawer__search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-3);
  margin-bottom: 18px;
}
.drawer__nav { margin-bottom: 20px; }
.drawer__nav a {
  display: block;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
}
.drawer__nav .sub-menu a { padding-left: 16px; font-size: 1rem; font-weight: 400; }
.drawer .eyebrow { margin: 10px 0 10px; }
.drawer__topics { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-bottom: 18px; }
.drawer__topics a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--surface-2);
}
.drawer__count { margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }
.drawer__hubs a { display: flex; align-items: center; gap: 10px; padding: 10px 4px; font-weight: 600; }
.drawer__social { display: flex; gap: 6px; margin-top: 18px; }

/* Command palette */
.palette { position: fixed; inset: 0; z-index: 3000; }
.palette__backdrop { position: absolute; inset: 0; background: var(--overlay); backdrop-filter: blur(4px); animation: fade-in 0.15s; }
.palette__panel {
  position: relative;
  width: min(680px, calc(100vw - 24px));
  margin: 10vh auto 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: pop-in 0.2s var(--ease);
}
@keyframes pop-in { from { opacity: 0; transform: scale(0.98) translateY(-8px); } to { opacity: 1; transform: none; } }
.palette__form {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
}
.palette__input {
  flex: 1;
  height: 60px;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 1.1rem;
  color: var(--ink);
}
.palette__input::-webkit-search-cancel-button { display: none; }
.palette__esc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink-3);
}
.palette__body { max-height: min(60vh, 520px); overflow-y: auto; padding: 8px; }
.palette__group { padding: 6px 0; }
.palette__label {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.palette__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--ink-2);
}
.palette__item span { flex: 1; min-width: 0; color: var(--ink); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette__item small { color: var(--ink-3); font-size: 0.78rem; white-space: nowrap; }
.palette__item:hover,
.palette__item.is-active { background: var(--surface-2); }
.palette__item.is-active { box-shadow: inset 3px 0 0 var(--accent); }
.palette__chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px 10px 8px; }
.palette__empty { padding: 20px 12px; color: var(--ink-3); font-size: 0.9rem; }
.palette__foot {
  display: flex;
  gap: 18px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  font-size: 0.75rem;
  color: var(--ink-3);
}
.palette__foot kbd { margin-right: 2px; }

/* --------------------------------------------------------------------------
   6. Homepage
   -------------------------------------------------------------------------- */
.masthead { border-bottom: 1px solid var(--line); background: var(--surface); }
.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}
.masthead__copy { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; min-width: 0; }
.masthead__title { font-size: 1.05rem; letter-spacing: -0.01em; white-space: nowrap; }
.masthead__tagline { color: var(--ink-3); font-size: 0.95rem; }
.masthead__stats { display: flex; gap: 22px; flex: none; font-size: 0.85rem; color: var(--ink-3); }
.masthead__stats strong { font-family: var(--font-head); font-size: 1.1rem; color: var(--ink); margin-right: 2px; }

.front {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr) minmax(250px, 0.85fr);
  gap: 32px;
  padding-block: 32px 48px;
}
.front__second { display: flex; flex-direction: column; gap: 28px; }
.front__latest { border-left: 1px solid var(--line); padding-left: 28px; }
.front__latest-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}
.front__latest-list { counter-reset: latest; }
.front__latest-list > li { border-bottom: 1px solid var(--line); }
.front__latest-list > li:last-child { border-bottom: 0; }

/* Section heads */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.section-head__title-wrap { display: flex; align-items: center; gap: 14px; min-width: 0; }
.section-head__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  flex: none;
  color: var(--topic, var(--accent));
  background: color-mix(in srgb, var(--topic, var(--accent)) 13%, transparent);
}
.section-head__title { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.section-head__desc { margin-top: 4px; color: var(--ink-3); font-size: 0.95rem; }
.section-head--light { border-color: var(--band-line); }
.section-head--light .section-head__title { color: #fff; }
.section-head--light .section-head__desc { color: var(--band-ink-2); }
.section-head--light .section-head__icon { color: #d6bfff; background: rgba(255, 255, 255, 0.08); }

.topic-section { padding-block: 56px; }
.topic-section + .topic-section { padding-top: 0; }
.topic-section .section-head { border-bottom: 2px solid var(--topic); }

.split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 36px; }
.split__list { display: flex; flex-direction: column; }
.split__list .card { padding-block: 16px; border-bottom: 1px solid var(--line); }
.split__list .card:first-child { padding-top: 0; }
.split__list .card:last-child { border-bottom: 0; }

.grid { display: grid; gap: 32px 28px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card { position: relative; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.card__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-2);
  aspect-ratio: 16 / 9;
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.card:hover .card__media img { transform: scale(1.035); }
.card__ph {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: color-mix(in srgb, var(--topic) 70%, #fff);
  background:
    radial-gradient(circle at 25% 20%, color-mix(in srgb, var(--topic) 35%, transparent), transparent 55%),
    linear-gradient(135deg, var(--band-bg-2), var(--band-bg));
}
.card__body { display: flex; gap: 14px; min-width: 0; }
.card__text { display: flex; flex-direction: column; gap: 8px; min-width: 0; flex: 1; }
.card__kicker { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card__title {
  font-size: 1.2rem;
  line-height: 1.25;
  text-wrap: balance;
}
.card__link { background-image: linear-gradient(currentColor, currentColor); background-size: 0 1px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size 0.3s var(--ease); }
.card__link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card:hover .card__link { background-size: 100% 1px; }
.card__excerpt { color: var(--ink-2); font-size: 0.95rem; line-height: 1.55; }
.card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--ink-3);
}
.card__author { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink-2); margin-right: 6px; }
.card__author .avatar { width: 24px; height: 24px; border-radius: 50%; }
.card__num {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--line-strong);
  flex: none;
  min-width: 2ch;
}
.card__read-flag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  display: none;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(10, 8, 20, 0.78);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
}
.card.is-read > .card__media > .card__read-flag { display: inline-flex; }
.card.is-read .card__title { color: var(--ink-2); }

/* Lead */
.card--lead .card__media { aspect-ratio: 1.91 / 1; border-radius: var(--radius-lg); }
.card--lead .card__title { font-size: clamp(1.7rem, 3.2vw, 2.55rem); line-height: 1.1; letter-spacing: -0.025em; }
.card--lead .card__excerpt { font-size: 1.05rem; font-family: var(--font-read); color: var(--ink-2); }
.card--lead .card__text { gap: 12px; }

/* Standard / feature */
.card--feature .card__title { font-size: clamp(1.35rem, 2vw, 1.7rem); }
.card--feature .card__excerpt { font-family: var(--font-read); font-size: 1.02rem; }
.card--standard .card__title { font-size: 1.15rem; }

/* Compact: thumbnail beside text */
.card--compact { flex-direction: row; align-items: flex-start; gap: 16px; }
.card--compact .card__media { width: 112px; flex: none; aspect-ratio: 1; border-radius: var(--radius-sm); }
.card--compact .card__title { font-size: 1.02rem; line-height: 1.3; }
.card--compact .card__kicker .topic-badge { font-size: 0.64rem; }
.card--compact .card__read-flag { top: 6px; left: 6px; padding: 2px 6px; font-size: 0.6rem; }

/* Headline: text only */
.card--headline { padding-block: 14px; }
.card--headline .card__title { font-size: 1rem; line-height: 1.35; }
.card--headline .card__num { font-size: 1.4rem; color: var(--accent); opacity: 0.55; }
.card--headline .card__kicker { display: none; }
.card--headline.is-read .card__num { opacity: 0.25; }

/* Row: horizontal list item */
.card--row { flex-direction: row; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.card--row:first-child { padding-top: 0; }
.card--row .card__media { width: min(260px, 36%); flex: none; }
.card--row .card__title { font-size: 1.3rem; }

/* --------------------------------------------------------------------------
   8. Threat pulse band
   -------------------------------------------------------------------------- */
.pulse {
  position: relative;
  color: var(--band-ink);
  background:
    radial-gradient(900px 400px at 10% 0%, rgba(153, 47, 247, 0.32), transparent 60%),
    radial-gradient(700px 360px at 100% 100%, rgba(255, 77, 94, 0.14), transparent 60%),
    linear-gradient(160deg, var(--band-bg-2), var(--band-bg));
  overflow: hidden;
}
.pulse::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, #000, transparent 90%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%);
  pointer-events: none;
}
.pulse__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 56px;
  padding-block: 64px;
}
.pulse__title { color: #fff; margin: 14px 0 12px; }
.pulse__total {
  display: block;
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(90deg, #fff 30%, #ffb3ba);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pulse__caption {
  display: block;
  margin-top: 12px;
  max-width: 30ch;
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--band-ink);
}
.pulse__note { color: var(--band-ink-2); font-size: 0.9rem; max-width: 52ch; }

.pulse-bars {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  align-items: end;
  gap: 8px;
  height: 150px;
  margin-top: 36px;
}
.pulse-bars__bar { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; gap: 8px; }
.pulse-bars__fill {
  display: block;
  height: var(--h);
  min-height: 3px;
  border-radius: 4px 4px 1px 1px;
  background: linear-gradient(180deg, #ff7a88, #992ff7);
  opacity: 0.9;
  transform-origin: bottom;
  animation: grow 0.9s var(--ease) both;
}
.pulse-bars__bar:nth-child(2) .pulse-bars__fill { animation-delay: 0.05s; }
.pulse-bars__bar:nth-child(3) .pulse-bars__fill { animation-delay: 0.1s; }
.pulse-bars__bar:nth-child(4) .pulse-bars__fill { animation-delay: 0.15s; }
.pulse-bars__bar:nth-child(5) .pulse-bars__fill { animation-delay: 0.2s; }
.pulse-bars__bar:nth-child(6) .pulse-bars__fill { animation-delay: 0.25s; }
.pulse-bars__bar:nth-child(n+7) .pulse-bars__fill { animation-delay: 0.3s; }
@keyframes grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.pulse-bars__label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-align: center;
  color: var(--band-ink-2);
  letter-spacing: 0.06em;
}

.pulse__side { display: flex; flex-direction: column; gap: 24px; }
.pulse__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--band-line); border: 1px solid var(--band-line); border-radius: var(--radius-lg); overflow: hidden; }
.pulse__stats > div { padding: 18px 20px; background: rgba(12, 5, 64, 0.7); }
.pulse__stats dt { font-size: 0.78rem; color: var(--band-ink-2); }
.pulse__stats dd { margin-top: 4px; font-family: var(--font-head); font-size: 1.85rem; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.pulse__recent-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--band-ink-2); margin-bottom: 8px; font-weight: 600; }
.pulse__recent li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--band-line);
  font-size: 0.92rem;
}
.pulse__recent-name { color: #fff; font-weight: 500; }
.pulse__recent-meta { color: var(--band-ink-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.pulse .btn { align-self: flex-start; }
.pulse__source { font-size: 0.75rem; color: var(--band-ink-2); }

/* --------------------------------------------------------------------------
   9. Learning path
   -------------------------------------------------------------------------- */
.path { padding-block: 64px 56px; border-bottom: 1px solid var(--line); }
.path__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 28px; }
.path__title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 10px 0 8px; }
.path__desc { color: var(--ink-2); max-width: 60ch; }
.path__progress { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex: none; }
.path__meter {
  display: block;
  width: 220px;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-3);
  overflow: hidden;
}
.path__meter--big { width: 100%; height: 8px; margin-top: 8px; }
.path__meter-fill {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  border-radius: inherit;
  background: var(--brand-grad);
  transition: width 0.6s var(--ease);
}
.path__count { font-size: 0.85rem; color: var(--ink-3); }
.path__count span { font-weight: 700; color: var(--ink); }
.path__controls { display: flex; gap: 6px; }

.path__steps {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 1fr);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  /* A scrolling box clips its children, so leave room for the hover lift and shadow,
     and pull the box back out by the same amount so the cards stay aligned. */
  padding: 10px 6px 28px;
  margin: -10px -6px -28px;
  scroll-padding-inline: 6px;
  counter-reset: step;
}
.path__steps::-webkit-scrollbar { display: none; }
.step { scroll-snap-align: start; }
.step__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color 0.2s, transform 0.25s var(--ease), box-shadow 0.25s;
}
.step__link:hover { border-color: var(--topic); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.step__num {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink-2);
}
.step__check { display: none; }
.step.is-read .step__num { background: var(--success); border-color: var(--success); color: #fff; }
.step.is-read .step__n { display: none; }
.step.is-read .step__check { display: block; }
.step__body { display: flex; flex-direction: column; gap: 6px; }
.step__kicker { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--topic); font-weight: 600; }
.step__title { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; line-height: 1.3; }
.step__excerpt { color: var(--ink-2); font-size: 0.95rem; }
.step__meta { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; font-size: 0.8rem; color: var(--ink-3); }

/* Full vertical path (Start Here page) */
.path--full { border: 0; padding-top: 40px; }
.path--full .path__steps {
  grid-auto-flow: row;
  grid-auto-columns: auto;
  overflow: visible;
  gap: 0;
  padding: 0;
  max-width: 900px;
  margin: 0 auto;
}
.path--full .step { position: relative; padding-left: 64px; padding-bottom: 20px; }
.path--full .step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 56px;
  bottom: -18px;
  width: 2px;
  background: var(--line);
}
.path--full .step:last-child::before { display: none; }
.path--full .step.is-read::before { background: var(--success); }
.path--full .step__link { position: static; flex-direction: row; align-items: flex-start; gap: 20px; }
.path--full .step__link:hover { transform: none; }
.path--full .step__num { position: absolute; left: 0; top: 18px; background: var(--bg); }
.path--full .step__media { width: 180px; flex: none; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 10; }
.path--full .step__media img { width: 100%; height: 100%; object-fit: cover; }
.path--full .step__title { font-size: 1.3rem; }

/* --------------------------------------------------------------------------
   10. Lab kit (tools + concepts), tiles, deep dives, more
   -------------------------------------------------------------------------- */
.labkit { padding-block: 56px; background: var(--surface); border-block: 1px solid var(--line); }
.labkit__inner { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 48px; }

.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.tool__link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(400px 200px at 100% 0%, var(--accent-soft), transparent 70%),
    var(--surface);
  transition: border-color 0.2s, transform 0.25s var(--ease), box-shadow 0.25s;
}
.tool__link:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tool__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.tool__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--brand-grad);
  color: #fff;
  flex: none;
}
.tool__title { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; }
.tool__desc { color: var(--ink-2); font-size: 0.93rem; }
.tool__figure { font-size: 0.85rem; color: var(--ink-3); }
.tool__figure strong { display: block; font-family: var(--font-head); font-size: 1.6rem; color: var(--danger); }
.tool__cta { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 8px; font-weight: 600; font-size: 0.9rem; color: var(--accent-ink); }
.tools--large .tool__link { padding: 32px; }
.tools--large .tool__title { font-size: 1.6rem; }
.tools-hub { padding-block: 48px 72px; }

.concepts { display: flex; flex-wrap: wrap; gap: 10px; }
.concepts a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 10px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  font-weight: 600;
  transition: border-color 0.2s, background-color 0.2s;
}
.concepts a:hover { border-color: var(--accent); background: var(--accent-soft); }
.concepts__q {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-family: var(--font-head);
  font-size: 0.9rem;
}
.concepts .icon { color: var(--ink-3); }
.concepts .is-read .concepts__q { background: var(--success); color: #fff; }

.deep {
  padding-block: 64px;
  color: var(--band-ink);
  background: linear-gradient(160deg, var(--band-bg), #07031f);
}
.deep__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.deep .card__title,
.deep .card__link { color: #fff; }
.deep .card__meta { color: var(--band-ink-2); }
.deep .topic-badge { color: var(--band-ink-2); }
.deep .card__num { color: rgba(255, 255, 255, 0.25); }
.deep .card { gap: 16px; }
.deep .card__body { gap: 12px; }

.tiles-section { padding-block: 56px; }
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tile__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  /* Accent strip drawn as a background so it follows the rounded top edge at full height
     (a thick border-top tapers to nothing at the rounded corners). */
  background: linear-gradient(var(--topic), var(--topic)) top / 100% 4px no-repeat, var(--surface);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.tile__link:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tile__top { display: flex; justify-content: space-between; align-items: center; }
.tile__icon { color: var(--topic); }
.tile__count { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--ink-3); }
.tile__name { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; }
.tile__desc { font-size: 0.87rem; color: var(--ink-2); line-height: 1.5; }
.tile__latest { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 0.8rem; color: var(--ink-3); line-height: 1.4; }
.tile__latest span { font-weight: 600; color: var(--ink-2); }

.more { padding-block: 16px 72px; }
.more .grid { margin-bottom: 32px; }
.archive-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: border-color 0.2s, background-color 0.2s;
}
.archive-cta:hover { border-color: var(--accent); background: var(--accent-soft); }
.archive-cta__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--ink); color: var(--bg); flex: none; }
.archive-cta__text { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.archive-cta__text strong { font-family: var(--font-head); font-size: 1.25rem; }
.archive-cta__text span { color: var(--ink-3); font-size: 0.92rem; }

.topic-row { padding-block: 24px 32px; }

/* --------------------------------------------------------------------------
   10b. 800 Hour Tracker (flagship) and Quick fixes
   Uses the site's own palette: light panels with violet accents, and the brand
   gradient for compact cards (same treatment as the "Start here" card).
   -------------------------------------------------------------------------- */

/* Homepage / Start Here band */
.tracker { padding-block: 16px 64px; }
.tracker__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.tracker__panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(700px 320px at 0% 0%, var(--accent-soft), transparent 70%),
    radial-gradient(500px 260px at 100% 100%, color-mix(in srgb, #ff7a88 10%, transparent), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow-md);
  padding: 52px;
}
.tracker__eyebrow { color: var(--accent); }
.tracker__title {
  margin: 14px 0 14px;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.tracker__title span {
  display: block;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
:root[data-theme="dark"] .tracker__title span { background: linear-gradient(90deg, #c79bff, #ff9aa4); -webkit-background-clip: text; background-clip: text; }
.tracker__desc { font-size: 1.05rem; color: var(--ink-2); max-width: 54ch; }
.tracker__features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin: 22px 0 28px; font-size: 0.92rem; color: var(--ink-2); }
.tracker__features li { display: flex; gap: 8px; align-items: flex-start; }
.tracker__features .icon { color: var(--success); margin-top: 3px; }
.tracker__actions { display: flex; flex-wrap: wrap; gap: 10px; }

.tracker__map { display: flex; flex-direction: column; gap: 24px; }
.tracker__stat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background: var(--brand-grad);
  color: #e2d9ff;
  font-size: 0.9rem;
}
.tracker__stat strong { font-family: var(--font-head); font-size: 2.2rem; color: #fff; line-height: 1; }

.tracker__steps { position: relative; display: flex; flex-direction: column; }
.tracker__steps::before {
  content: "";
  position: absolute;
  left: 63px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-bright), #ff7a88);
  opacity: 0.55;
}
.tracker__step {
  position: relative;
  display: grid;
  grid-template-columns: 48px 32px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  padding: 7px 0;
}
.tracker__hours { grid-row: span 2; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; color: var(--ink-3); text-align: right; padding-right: 10px; }
.tracker__dot {
  grid-row: span 2;
  justify-self: center;
  position: relative;
  z-index: 1;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--brand-bright);
}
.tracker__step.is-start .tracker__dot { background: var(--brand-bright); }
.tracker__step.is-goal .tracker__dot { width: 20px; height: 20px; border: 0; background: var(--brand-grad); box-shadow: 0 0 0 5px var(--accent-soft); }
.tracker__level { font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; line-height: 1.2; }
.tracker__sub { font-size: 0.8rem; color: var(--ink-3); }
.tracker__step.is-goal .tracker__level { font-size: 1.2rem; }

/* Compact card (sidebar, article aside, mega panel, drawer) */
.tracker-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius-lg);
  color: #e2d9ff;
  background: var(--brand-grad);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.tracker-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.tracker-card__top { display: flex; justify-content: space-between; align-items: center; }
.tracker-card__icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255, 255, 255, 0.16); color: #fff; }
.tracker-card__badge { font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: #e7d7ff; }
.tracker-card__title { font-family: var(--font-head); font-size: 1.2rem; color: #fff; }
.tracker-card__desc { font-size: 0.86rem; line-height: 1.45; }
.tracker-card__bar {
  position: relative;
  height: 6px;
  margin: 10px 0 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
}
.tracker-card__bar span {
  position: absolute;
  top: 50%;
  left: var(--pos);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
}
.tracker-card__bar span:last-child { background: #ff9aa4; }
.tracker-card__scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.66rem; color: #cbbcf5; }
.tracker-card__cta { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; font-weight: 600; font-size: 0.88rem; color: #fff; }
.drawer .tracker-card { margin-bottom: 18px; }
.article-aside .tracker-card__desc { font-size: 0.82rem; }

/* End-of-article callout (same family as the reading-path box) */
.tracker-callout {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 200px at 100% 0%, var(--accent-soft), transparent 70%),
    var(--surface);
}
.article-main > .tracker-callout { margin-bottom: 32px; }
.tracker-callout__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--brand-grad); color: #fff; flex: none; }
.tracker-callout__text { flex: 1; min-width: 0; }
.tracker-callout__eyebrow { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.tracker-callout__title { font-family: var(--font-head); font-weight: 700; font-size: 1.12rem; line-height: 1.3; margin-top: 4px; }
.tracker-mini { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tracker-mini span { display: inline-flex; gap: 5px; align-items: baseline; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); font-size: 0.74rem; color: var(--ink-2); }
.tracker-mini strong { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-ink); }
.tracker-callout .btn { flex: none; }

/* Tool grid: featured tracker */
.tool--featured { grid-column: 1 / -1; }
.tool--featured .tool__link {
  color: #e2d9ff;
  border-color: transparent;
  background:
    radial-gradient(600px 260px at 100% 0%, rgba(255, 122, 136, 0.22), transparent 70%),
    var(--brand-grad);
}
.tool--featured .tool__link:hover { box-shadow: var(--shadow-lg); }
.tool--featured .tool__icon { background: rgba(255, 255, 255, 0.16); }
.tool--featured .pill { background: rgba(255, 255, 255, 0.16); color: #fff; }
.tool--featured .tool__title { color: #fff; }
.tool--featured .tool__desc { color: #e2d9ff; }
.tool--featured .tool__cta { color: #fff; }
.tool__milestones { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tool__milestones span { padding: 3px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); font-size: 0.74rem; color: #fff; }
.tool__milestones strong { font-family: var(--font-mono); color: #ffb3ba; margin-right: 3px; }

/* Header, palette, footer highlights */
.topic-rail__hubs .topic-rail__tracker { background: var(--brand-grad); color: #fff; }
.topic-rail__hubs .topic-rail__tracker:hover { background: var(--ink); color: var(--bg); }
.palette__item--tracker { background: var(--accent-soft); }
.palette__item--tracker .icon { color: var(--accent); }
.site-footer__col a.site-footer__tracker { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--accent-ink); }

/* The tracker page (cl800-tracker.php) */
.page-hero--tracker .page-hero__title { display: block; }
.page-hero__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.page-hero__chips span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; background: var(--surface-2); font-size: 0.82rem; color: var(--ink-2); }
.page-hero__chips .icon { color: var(--success); }
.tracker-page { padding-bottom: 64px; }
.cl800-page .cl800 { --cl-sticky: calc(var(--header-h) + 47px); }
.admin-bar.cl800-page .cl800 { --cl-sticky: calc(var(--header-h) + 47px + 32px); }
.tracker-page__more { padding-block: 16px 64px; }

/* Quick fixes corner */
.more__layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; margin-bottom: 32px; }
.more__layout .grid { margin-bottom: 0; }
.quick-fixes { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.quick-fixes__head { display: flex; align-items: center; gap: 10px; }
.quick-fixes__icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; color: var(--topic); background: color-mix(in srgb, var(--topic) 13%, transparent); }
.quick-fixes__title { font-size: 1.05rem; }
.quick-fixes__desc { margin: 6px 0 10px; font-size: 0.82rem; color: var(--ink-3); }
.quick-fixes__list li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.quick-fixes__list a { display: block; font-size: 0.88rem; font-weight: 500; line-height: 1.35; color: var(--ink-2); }
.quick-fixes__list a:hover { color: var(--ink); }
.quick-fixes__list small { font-size: 0.72rem; color: var(--ink-3); }
.quick-fixes .more-link { margin-top: 12px; font-size: 0.82rem; }
.quick-fixes .is-read a { color: var(--ink-3); }

.split--reverse .split__main { order: 2; }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.page-hero__actions .btn { margin-top: 0; }

/* --------------------------------------------------------------------------
   11. Newsletter & footer
   -------------------------------------------------------------------------- */
.newsletter {
  background:
    radial-gradient(700px 300px at 90% 10%, rgba(153, 47, 247, 0.45), transparent 60%),
    var(--brand);
  color: #fff;
}
.newsletter__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 48px;
  align-items: center;
  padding-block: 64px;
}
.newsletter__title { color: #fff; font-size: clamp(2rem, 4vw, 3rem); margin: 12px 0; }
.newsletter__desc { color: #d9d0ff; font-size: 1.05rem; max-width: 50ch; }
.newsletter__points { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 20px; font-size: 0.9rem; color: #e8e1ff; }
.newsletter__points li { display: inline-flex; align-items: center; gap: 7px; }
.newsletter__points .icon { color: #7ef0c3; }
.newsletter__form {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

/* Mailchimp for WP — the form ships its own heading; the band already has one. */
.mc4wp-form .widget { margin: 0; padding: 0; background: none; border: 0; box-shadow: none; }
.newsletter .mc4wp-form .widget-title { font-family: var(--font-head); font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; text-transform: none; color: #fff; margin-bottom: 4px; }
.newsletter .mc4wp-form .widget > p:first-of-type { color: #d9d0ff; margin-bottom: 16px; font-size: 0.95rem; }
.mc4wp-form .widget-newsletter { display: flex; flex-wrap: wrap; gap: 10px; }
.mc4wp-form .widget-newsletter > .widget-title,
.mc4wp-form .widget-newsletter > p { flex-basis: 100%; }
.mc4wp-form input[type="email"],
.mc4wp-form input[type="text"] {
  flex: 1 1 200px;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.95rem;
}
.newsletter .mc4wp-form input[type="email"] { border-color: transparent; background: #fff; color: #14121d; }
.mc4wp-form button[type="submit"],
.mc4wp-form input[type="submit"] {
  height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  cursor: pointer;
}
.newsletter .mc4wp-form button[type="submit"],
.newsletter .mc4wp-form input[type="submit"] { background: #ff5a6c; color: #fff; }
.newsletter .mc4wp-form button[type="submit"]:hover { background: #ff7483; }
.mc4wp-form .privacy-note { font-size: 0.78rem; color: var(--ink-3); margin-top: 4px; }
.newsletter .mc4wp-form .privacy-note { color: #c2b7ec; }
.newsletter .mc4wp-form .privacy-note a { color: #fff; text-decoration: underline; }
.mc4wp-form .mc4wp-alert { margin-top: 10px; padding: 10px 14px; border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.12); font-size: 0.9rem; }

.site-footer { background: var(--surface); border-top: 1px solid var(--line); font-size: 0.92rem; }
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.5fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
  gap: 40px;
  padding-block: 56px 40px;
}
.site-footer__brand p { color: var(--ink-2); margin: 16px 0 20px; max-width: 42ch; }
.site-footer__stats { display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 24px; margin-bottom: 20px; }
.site-footer__stats dt { font-size: 0.72rem; color: var(--ink-3); order: 2; }
.site-footer__stats div { display: flex; flex-direction: column-reverse; }
.site-footer__stats dd { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; }
.site-footer__social { display: flex; gap: 4px; margin-left: -8px; }
.site-footer__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.site-footer__col li { margin-bottom: 9px; }
.site-footer__col a { color: var(--ink-2); }
.site-footer__col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.site-footer__topics { columns: 2; column-gap: 24px; }
.site-footer__topics li { break-inside: avoid; }
.site-footer__topics a { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.site-footer__count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); }
.site-footer__contact { margin-top: 18px; color: var(--ink-3); font-size: 0.85rem; }
.site-footer__contact a { color: var(--accent-ink); }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-block: 20px 28px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-3);
}
.site-footer__motto { font-family: var(--font-mono); font-size: 0.75rem; }

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s var(--ease), visibility 0.25s;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

.site-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 3500;
  transform: translateX(-50%);
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: pop-in 0.2s var(--ease);
}

/* --------------------------------------------------------------------------
   12. Page hero, listings, sidebar
   -------------------------------------------------------------------------- */
.page-hero {
  --topic: var(--accent);
  position: relative;
  padding-block: 48px 40px;
  background:
    radial-gradient(800px 300px at 0% 0%, color-mix(in srgb, var(--topic) 12%, transparent), transparent 70%),
    var(--surface);
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.page-hero--compact { padding-block: 40px 32px; }
.page-hero__inner { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.page-hero__copy { max-width: 760px; }
.page-hero__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 12px 0 10px;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.03em;
}
.page-hero__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  color: var(--topic);
  background: color-mix(in srgb, var(--topic) 14%, transparent);
  flex: none;
}
.page-hero__desc { color: var(--ink-2); font-size: 1.1rem; max-width: 62ch; }
.page-hero__copy .btn { margin-top: 22px; }
.page-hero__stats { display: flex; gap: 32px; flex: none; }
.page-hero__stats div { display: flex; flex-direction: column-reverse; }
.page-hero__stats dt { font-size: 0.78rem; color: var(--ink-3); }
.page-hero__stats dd { font-family: var(--font-head); font-size: 2rem; font-weight: 700; line-height: 1.1; }
.page-hero__related { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 24px; }
.page-hero__related > span { font-size: 0.85rem; color: var(--ink-3); margin-right: 4px; }
.page-hero__search { margin-top: 20px; max-width: 560px; }
.page-hero--topic .eyebrow { color: var(--topic); }
.page-hero--topic { border-bottom: 3px solid var(--topic); }

.layout-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 56px;
  padding-bottom: 72px;
}
.stream__lead { margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }

.sidebar { display: flex; flex-direction: column; gap: 28px; }
.widget { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.widget__title,
.widget .widget-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}
/* Core widgets added through Appearance > Widgets */
.widget > h2,
.widget .wp-block-heading { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.widget ul:not([class]) li,
.widget .wp-block-latest-posts li,
.widget .wp-block-archives li,
.widget .wp-block-categories li { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 0.93rem; line-height: 1.4; }
.widget ul:not([class]) li:last-child,
.widget .wp-block-latest-posts li:last-child { border-bottom: 0; }
.widget ul:not([class]) a:hover,
.widget .wp-block-latest-posts a:hover { color: var(--accent-ink); }
.widget .wp-block-search__inside-wrapper { display: flex; gap: 6px; }
.widget .wp-block-search__label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.widget .wp-block-search__input { flex: 1; min-width: 0; height: 42px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg); }
.widget .wp-block-search__button { height: 42px; padding: 0 16px; border: 0; border-radius: 999px; background: var(--ink); color: var(--bg); font-weight: 600; }
.widget .wp-block-group__inner-container > * + * { margin-top: 10px; }

.widget--pulse {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: linear-gradient(160deg, var(--band-bg-2), var(--band-bg));
  border-color: transparent;
  color: var(--band-ink-2);
  font-size: 0.9rem;
}
.widget--pulse__num { font-family: var(--font-head); font-size: 2.3rem; line-height: 1.05; color: #fff; letter-spacing: -0.02em; }
.widget-path { display: flex; flex-direction: column; gap: 6px; }
.widget-path strong { font-family: var(--font-head); font-size: 1.15rem; }
.widget-path span { font-size: 0.88rem; color: var(--ink-2); }
.widget-path .path__meter { width: 100%; margin-top: 6px; }
.widget-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.widget-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.widget-list__n { font-family: var(--font-head); font-weight: 700; color: var(--line-strong); font-size: 1.1rem; }
.widget-list a { display: block; font-weight: 600; line-height: 1.35; font-size: 0.95rem; }
.widget-list a:hover { color: var(--accent-ink); }
.widget-list small { display: block; margin-top: 3px; color: var(--ink-3); font-size: 0.78rem; }
.widget-list .is-read a { color: var(--ink-3); }
.widget-tools a { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.widget-tools .tool__icon { width: 38px; height: 38px; border-radius: 10px; }
.widget-tools strong { display: block; font-size: 0.95rem; }
.widget-tools small { color: var(--ink-3); font-size: 0.78rem; }
.widget-topics a { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 0.93rem; color: var(--ink-2); }
.widget-topics a:hover,
.widget-topics a[aria-current] { color: var(--ink); font-weight: 600; }
.widget-topics__count { margin-left: auto; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.pagination__info { font-size: 0.875rem; color: var(--ink-3); }
.pagination__links { display: flex; gap: 6px; flex-wrap: wrap; }
.pagination .page-numbers {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-weight: 600;
  font-size: 0.9rem;
}
.pagination a.page-numbers:hover { border-color: var(--ink); }
.pagination .page-numbers.current { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.pagination .page-numbers.dots { border: 0; background: none; }

.search-form {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
}
.search-form:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-form__icon { color: var(--ink-3); }
.search-form__field { flex: 1; min-width: 0; height: 40px; border: 0; outline: 0; background: transparent; font-size: 1rem; }
.search-form__submit { min-height: 40px; }

.empty { text-align: center; padding: 48px 20px; max-width: 560px; margin-inline: auto; }
.empty__icon { display: inline-grid; place-items: center; width: 80px; height: 80px; border-radius: 24px; background: var(--accent-soft); color: var(--accent); margin-bottom: 20px; }
.empty__title { font-size: 1.6rem; margin-bottom: 8px; }
.empty p { color: var(--ink-2); margin-bottom: 20px; }
.empty__topics { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 24px; }

/* --------------------------------------------------------------------------
   13. Article
   -------------------------------------------------------------------------- */
.article-head { padding-block: 40px 32px; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--ink-3); margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.article-head__kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 18px; }
.article-head__title {
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.article-head__dek {
  margin-top: 18px;
  font-family: var(--font-read);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink-2);
}
.article-head__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.byline { display: flex; align-items: center; gap: 12px; }
.byline__avatar img { width: 44px; height: 44px; border-radius: 50%; }
.byline__name { font-weight: 600; }
.byline__name:hover { text-decoration: underline; }
.byline__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--ink-3); }
.byline__meta span { display: inline-flex; align-items: center; gap: 5px; }
.byline__text { display: flex; flex-direction: column; }

.article-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--surface);
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.action-btn:hover { border-color: var(--ink); color: var(--ink); }
.action-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.action-btn[aria-pressed="true"] .icon { fill: currentColor; }

.reader-prefs { position: relative; }
.reader-prefs__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 50;
  width: 240px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.reader-prefs__label { font-size: 0.75rem; font-weight: 600; color: var(--ink-3); margin-bottom: 8px; }
.reader-prefs__label + .segmented { margin-bottom: 14px; }
.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: 3px; border-radius: 10px; background: var(--surface-2); }
.segmented button { height: 34px; border-radius: 8px; font-weight: 600; color: var(--ink-2); }
.segmented button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.segmented [data-read-size="s"] { font-size: 0.8rem; }
.segmented [data-read-size="m"] { font-size: 1rem; }
.segmented [data-read-size="l"] { font-size: 1.2rem; }
.segmented .is-serif { font-family: var(--font-read); }

.article-hero { margin-bottom: 48px; }
.article-hero img { width: 100%; max-height: 640px; object-fit: cover; border-radius: var(--radius-lg); }
.article-hero figcaption { margin-top: 10px; font-size: 0.85rem; color: var(--ink-3); }

.article-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 720px);
  justify-content: center;
  gap: 64px;
  padding-bottom: 32px;
}
.article-aside__sticky { position: sticky; top: calc(var(--header-h) + 64px); display: flex; flex-direction: column; gap: 28px; }
.toc__title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.toc .toc__list {
  max-height: calc(100vh - 320px);
  overflow-y: auto;
  border-left: 2px solid var(--line);
  scrollbar-width: thin;
}
.toc__list a {
  display: block;
  padding: 6px 0 6px 14px;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--ink-3);
  transition: color 0.2s, border-color 0.2s;
}
.toc__list .toc__sub a { padding-left: 28px; font-size: 0.8rem; }
.toc__list a:hover { color: var(--ink); }
.toc__list a.is-active { color: var(--ink); border-left-color: var(--accent); font-weight: 600; }
.share-row { display: flex; gap: 6px; }

.toc-inline {
  display: none;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.toc-inline summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.toc-inline summary::-webkit-details-marker { display: none; }
.toc-inline__chev { margin-left: auto; transition: transform 0.2s; }
.toc-inline[open] .toc-inline__chev { transform: rotate(180deg); }
.toc-inline .toc__list { padding: 0 16px 14px; }
.toc-inline .toc__list a { padding-left: 0; border: 0; }
.toc-inline .toc__sub a { padding-left: 16px; }

/* Prose */
.prose {
  font-family: var(--read-font);
  font-size: var(--read-size);
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: break-word;
}
.prose > * + * { margin-top: 1.25em; }
.prose p { margin: 0; }
.prose > * + p,
.prose p + p { margin-top: 1.2em; }
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--font-head);
  color: var(--ink);
  scroll-margin-top: calc(var(--header-h) + 64px);
}
.prose h1,
.prose h2 { font-size: 1.6em; line-height: 1.2; margin-top: 2em; letter-spacing: -0.02em; }
.prose h3 { font-size: 1.28em; line-height: 1.3; margin-top: 1.8em; }
.prose h4 { font-size: 1.08em; margin-top: 1.6em; }
.prose h1 + *,
.prose h2 + *,
.prose h3 + *,
.prose h4 + * { margin-top: 0.6em; }
.prose > :first-child { margin-top: 0; }
.prose a {
  color: var(--accent-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--accent-ink) 45%, transparent);
}
.prose a:hover { text-decoration-color: currentColor; }
.prose strong,
.prose b { font-weight: 600; color: var(--ink); }
.prose ul,
.prose ol { padding-left: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { padding-left: 0.3em; }
.prose li + li { margin-top: 0.5em; }
.prose li::marker { color: var(--accent); }
.prose li > ul,
.prose li > ol { margin-top: 0.5em; }
.prose blockquote {
  margin-inline: 0;
  padding: 0.2em 0 0.2em 1.2em;
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--ink-2);
}
.prose hr { border: 0; height: 1px; background: var(--line); margin-block: 2.5em; }
.prose img { border-radius: var(--radius); height: auto; }
.prose .aligncenter { margin-inline: auto; }
.prose .alignleft { float: left; margin: 0.3em 1.5em 1em 0; max-width: 50%; }
.prose .alignright { float: right; margin: 0.3em 0 1em 1.5em; max-width: 50%; }
.prose figure figcaption,
.prose .wp-caption-text,
.prose .wp-element-caption { margin-top: 0.6em; font-family: var(--font-ui); font-size: 0.8em; color: var(--ink-3); text-align: center; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 5px;
  background: var(--surface-2);
}
.prose pre {
  padding: 1.1em 1.3em;
  border-radius: var(--radius);
  background: #120f22;
  color: #eae6ff;
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.6;
}
.prose pre code { padding: 0; background: none; color: inherit; }
.prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.85em;
  line-height: 1.5;
}
.prose th,
.prose td { padding: 0.7em 0.9em; border: 1px solid var(--line); text-align: left; vertical-align: top; min-width: 120px; }
.prose thead th,
.prose tr:first-child td { background: var(--surface-2); font-weight: 600; }
.prose tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--surface-2) 50%, transparent); }
.prose iframe,
.prose video,
.prose embed { max-width: 100%; border-radius: var(--radius); }
.prose .wp-block-embed { margin-inline: 0; }
.prose .twitter-tweet { margin-inline: auto; }
.prose::after { content: ""; display: table; clear: both; }

.article-end { margin-top: 48px; display: flex; flex-direction: column; gap: 32px; }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ink-3); }
.article-feedback {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.article-feedback p { font-weight: 500; }

.path-box {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(500px 200px at 100% 0%, var(--accent-soft), transparent 70%),
    var(--surface);
}
.path-box__title { font-size: 1.4rem; margin: 8px 0 4px; }
.path-box__count { font-size: 0.88rem; color: var(--ink-3); margin-bottom: 10px; }
.path-box .path__meter { width: 100%; }
.path-box__dots { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0; }
.path-box__dots a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-3);
}
.path-box__dots .is-read a { background: var(--success); border-color: var(--success); color: #fff; }
.path-box__dots .is-current a { border: 2px solid var(--accent); color: var(--accent-ink); }
.path-box__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.path-box__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s;
}
.path-box__link:hover { border-color: var(--accent); }
.path-box__link span { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--ink-3); }
.path-box__link strong { font-family: var(--font-head); font-size: 0.98rem; line-height: 1.3; }
.path-box__link--next { text-align: right; align-items: flex-end; }

.author-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.author-card img { width: 72px; height: 72px; border-radius: 50%; flex: none; }
.author-card__name { font-size: 1.3rem; margin: 6px 0; }
.author-card__bio { color: var(--ink-2); font-size: 0.95rem; margin-bottom: 10px; }

.up-next { margin-block: 32px 16px; }
.up-next__card {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  overflow: hidden;
  border-radius: var(--radius-xl);
  color: #fff;
  background:
    radial-gradient(600px 300px at 0% 0%, color-mix(in srgb, var(--topic, #992ff7) 45%, transparent), transparent 70%),
    linear-gradient(160deg, var(--band-bg-2), var(--band-bg));
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.up-next__card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.up-next__text { display: flex; flex-direction: column; gap: 12px; padding: 40px; }
.up-next__title { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.15; }
.up-next__excerpt { color: var(--band-ink-2); font-family: var(--font-read); font-size: 1.05rem; }
.up-next__cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; font-weight: 600; }
.up-next__media img { width: 100%; height: 100%; object-fit: cover; }

.related { padding-block: 48px; }

/* Comments */
.comments-area { padding-block: 32px 72px; }
.comment-respond { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.comment-reply-title { font-size: 1.4rem; margin-bottom: 8px; }
.comment-notes,
.logged-in-as { font-size: 0.88rem; color: var(--ink-3); margin-bottom: 16px; }
.comment-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.comment-form p,
.comment-form__field { margin-bottom: 16px; }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea,
.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: 1rem;
}
.comment-form input:focus,
.comment-form textarea:focus,
.form input:focus,
.form textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.comment-form-cookies-consent { display: flex; gap: 8px; align-items: flex-start; }
.comment-form-cookies-consent label { font-weight: 400; color: var(--ink-2); }
.comments-header { margin: 40px 0 16px; }
.comments-header__title { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; }
.comment-list .children { margin-left: 28px; padding-left: 20px; border-left: 2px solid var(--line); }
.comment-body { padding: 20px 0; border-bottom: 1px solid var(--line); }
.comment-header { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.comment-avatar-img { border-radius: 50%; }
.comment-author { font-weight: 600; display: block; }
.comment-date { font-size: 0.8rem; color: var(--ink-3); }
.comment-content { color: var(--ink-2); }
.comment-content p + p { margin-top: 0.8em; }
.comment-footer { display: flex; gap: 14px; margin-top: 10px; font-size: 0.85rem; font-weight: 600; color: var(--accent-ink); }
.comment-awaiting { font-size: 0.85rem; color: var(--ink-3); font-style: italic; }

/* --------------------------------------------------------------------------
   14. Hubs & pages
   -------------------------------------------------------------------------- */
.index { padding-bottom: 72px; }
.index__filters {
  position: sticky;
  top: calc(var(--header-h) + 47px);
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 14px 0;
  margin-bottom: 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.admin-bar .index__filters { top: calc(var(--header-h) + 47px + 32px); }
.index__search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-3);
  flex: 0 1 280px;
}
.index__search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; }
.index__chips { display: flex; flex-wrap: wrap; gap: 6px; flex: 1 1 400px; }
.index__chips .chip { padding: 5px 11px; font-size: 0.8rem; }
.index__unread { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--ink-2); }
.index__count { font-size: 0.85rem; color: var(--ink-3); margin-left: auto; }
.index__group { margin-top: 32px; }
.index__month {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 1.3rem;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}
.index__month span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-3); font-weight: 500; }
.index__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 190px 64px 20px;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.index__date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-3); }
.index__title { font-weight: 600; font-size: 1.02rem; line-height: 1.35; }
.index__title:hover { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.index__time { font-size: 0.8rem; color: var(--ink-3); text-align: right; }
.index__read { color: var(--success); opacity: 0; }
.index__row.is-read .index__read { opacity: 1; }
.index__row.is-read .index__title { color: var(--ink-3); }
.index__empty { padding: 48px 0; text-align: center; color: var(--ink-3); }

.page-content .prose,
.about-page .prose { padding-bottom: 56px; }
.tool-content { padding-bottom: 48px; }

.team { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.team__member { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); text-align: center; }
.team__member img { width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 12px; }
.team__name { font-size: 1.15rem; margin-bottom: 6px; }
.team__bio { font-size: 0.9rem; color: var(--ink-2); margin-bottom: 10px; }

.panel { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.panel__title { font-size: 1.25rem; margin-bottom: 10px; }
.contact { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 32px; padding-bottom: 72px; }
.contact__info p { color: var(--ink-2); margin-bottom: 16px; }
.contact__line { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-weight: 500; }
.contact__line:hover { color: var(--accent-ink); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__group { margin-bottom: 16px; }
.form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.required { color: var(--danger); }
.contact .prose { margin-bottom: 24px; }

.error-404 { padding-block: 72px 32px; text-align: center; }
.error-404__code {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(6rem, 18vw, 11rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.error-404__title { font-size: 2rem; margin: 16px 0 10px; }
.error-404__text { color: var(--ink-2); max-width: 52ch; margin: 0 auto 24px; }
.error-404 .search-form { max-width: 520px; margin-inline: auto; }
.error-404__links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1520px) and (min-width: 1361px) {
  .search-trigger__text { display: none; }
  .search-trigger { padding-left: 12px; }
}

@media (max-width: 1360px) {
  .primary-nav { display: none; }
  .menu-toggle { display: inline-grid; }
  .site-header__actions { margin-left: auto; }
}

@media (max-width: 1200px) {
  .front { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .front__latest { grid-column: 1 / -1; border-left: 0; padding-left: 0; }
  .front__latest-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 28px; }
  .front__latest-list > li:last-child { border-bottom: 1px solid var(--line); }
  .grid--4,
  .deep__list,
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 720px); }
  .article-aside { display: none; }
  .toc-inline:not([hidden]) { display: block; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .mega__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .tracker__inner { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .tracker__panel { padding: 40px 36px; }
  .more__layout { grid-template-columns: minmax(0, 1fr); }
  .split--reverse .split__main { order: 0; }
  .layout-sidebar { grid-template-columns: minmax(0, 1fr); }
  .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pulse__inner,
  .labkit__inner,
  .newsletter__inner { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .topbar__date { display: none; }
  .topbar__pulse { justify-content: flex-start; }
  .masthead__tagline { display: none; }
  .page-hero__inner { flex-direction: column; align-items: flex-start; }
  .path__head { flex-direction: column; align-items: flex-start; }
  .path__progress { align-items: flex-start; }
  .mega__inner { grid-template-columns: 1fr; gap: 24px; }
  .mega__side { display: grid; grid-template-columns: 1fr 1fr; }
  .mega__chip--plain { margin-left: 0; }
  .index__row { grid-template-columns: 56px minmax(0, 1fr) 56px 20px; }
  .index__topic { display: none; }
}

@media (max-width: 860px) {
  .topic-rail__hubs { display: none; }
  .search-trigger__text,
  .search-trigger__kbd { display: none; }
  .search-trigger { width: 40px; padding: 0; justify-content: center; border-radius: 50%; }
  .front { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .front__second { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .front__latest-list { grid-template-columns: minmax(0, 1fr); }
  .masthead__stats { display: none; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .up-next__card { grid-template-columns: minmax(0, 1fr); }
  .up-next__media { order: -1; aspect-ratio: 16 / 8; }
  .up-next__text { padding: 28px; }
  .contact { grid-template-columns: minmax(0, 1fr); }
  .path--full .step__media { display: none; }
}

@media (max-width: 640px) {
  :root { --header-h: 58px; --read-size: 1.125rem; }
  .mega__side { grid-template-columns: 1fr; }
  .mega__grid { grid-template-columns: 1fr 1fr; gap: 2px; }
  .mega__topic { padding: 8px; column-gap: 10px; }
  .tracker { padding-bottom: 44px; }
  .tracker__panel { padding: 28px 20px; border-radius: var(--radius-lg); }
  .tracker__features { grid-template-columns: 1fr; }
  .tracker-callout { flex-direction: column; align-items: flex-start; }
  :root[data-read-size="s"] { --read-size: 1rem; }
  :root[data-read-size="l"] { --read-size: 1.25rem; }
  .topbar__social { display: none; }
  .topbar__pulse-label { display: none; }
  .brand__name { font-size: 1.02rem; }
  .brand__mark { width: 30px; height: 30px; }
  .site-header__row { gap: 12px; }
  .grid--2,
  .grid--3,
  .grid--4,
  .deep__list,
  .tiles,
  .front__second,
  .sidebar { grid-template-columns: minmax(0, 1fr); }
  .grid { gap: 28px; }
  .front__second .card,
  .grid--4 .card--standard,
  .grid--2 .card--standard,
  .deep__list .card { flex-direction: row; align-items: flex-start; }
  .front__second .card .card__media,
  .grid--4 .card--standard .card__media,
  .grid--2 .card--standard .card__media,
  .deep__list .card .card__media { width: 112px; aspect-ratio: 1; flex: none; border-radius: var(--radius-sm); }
  .front__second .card__title,
  .grid--4 .card__title,
  .grid--2 .card__title { font-size: 1.05rem; }
  .deep__list .card__num { display: none; }
  .grid--2 .card__excerpt { display: none; }
  .card--compact .card__media { width: 92px; }
  .card--row { flex-direction: column; gap: 14px; }
  .card--row .card__media { width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head__icon { width: 38px; height: 38px; }
  .topic-section,
  .labkit,
  .tiles-section,
  .deep,
  .path { padding-block: 44px; }
  .pulse__inner { padding-block: 44px; }
  .pulse-bars { height: 110px; gap: 5px; }
  .pulse__stats dd { font-size: 1.5rem; }
  .page-hero__stats { gap: 24px; }
  .page-hero__stats dd { font-size: 1.6rem; }
  .article-head { padding-top: 24px; }
  .article-head__bar { flex-direction: column; align-items: flex-start; }
  .article-hero { margin-bottom: 32px; }
  .article-hero img { border-radius: 0; }
  .article-hero.container { padding-inline: 0; }
  .article-hero figcaption { padding-inline: var(--gutter); }
  .reader-prefs__panel { right: auto; left: 0; }
  .path-box__nav { grid-template-columns: 1fr; }
  .path-box__link--next { text-align: left; align-items: flex-start; }
  .author-card { flex-direction: column; }
  .site-footer__top { grid-template-columns: 1fr; gap: 36px; }
  .site-footer__stats { grid-template-columns: repeat(2, auto); }
  .index__row { grid-template-columns: minmax(0, 1fr) 20px; gap: 4px 12px; }
  .index__date { grid-column: 1; }
  .index__title { grid-column: 1; }
  .index__time { display: none; }
  .index__read { grid-row: 1 / span 2; grid-column: 2; }
  .index__filters { position: static; }
  .index__count { margin-left: 0; }
  .form__row { grid-template-columns: 1fr; }
  .archive-cta { flex-direction: column; align-items: flex-start; }
  .newsletter__form { padding: 20px; }
  .palette__panel { margin-top: 12px; }
  .palette__foot { display: none; }
  .path--full .step { padding-left: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .topbar,
  .site-header,
  .newsletter,
  .site-footer,
  .article-aside,
  .article-actions,
  .up-next,
  .related,
  .comments-area,
  .back-to-top,
  .reading-progress { display: none !important; }
  .article-layout { display: block; }
  .prose { font-size: 12pt; color: #000; }
}
