/* =============================================================================
   APT-966 — site stylesheet
   Dark by default. The light theme applies when <html data-theme="light">.
   ========================================================================== */

/* ---- Design tokens -------------------------------------------------------- */

:root {
  color-scheme: dark;

  --bg: #0B0F19;
  --bg-soft: #0E1320;
  --header-bg: rgba(11, 15, 25, 0.86);
  --surface: #131B2B;
  --surface-2: #182236;
  --surface-3: #1E2A42;
  --border: #212C40;
  --border-strong: #2E3C57;

  --text: #E6EDF3;
  --text-2: #9AA9BD;
  --text-3: #7F8DA3;

  --accent: #38BDF8;
  --accent-strong: #7DD3FC;
  --accent-ink: #0B0F19;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --accent-2: #8B5CF6;
  --accent-2-text: #A78BFA;
  --accent-2-soft: rgba(139, 92, 246, 0.14);

  --success: #34D399;
  --success-soft: rgba(52, 211, 153, 0.1);
  --warning: #FBBF24;
  --warning-soft: rgba(251, 191, 36, 0.1);
  --danger: #F87171;

  --code-bg: #0D1321;
  --code-text: #D5DEEA;
  --code-bar: rgba(148, 163, 184, 0.04);
  --grid-line: rgba(148, 163, 184, 0.07);
  --net-edge: rgba(148, 163, 184, 0.22);
  --net-node: rgba(148, 163, 184, 0.5);
  --mark: rgba(56, 189, 248, 0.24);
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.75);
  --logo-a: #38BDF8;
  --logo-b: #8B5CF6;

  --syn-comment: #7F8DA3;
  --syn-keyword: #C4B5FD;
  --syn-string: #86E1B8;
  --syn-number: #F9C97C;
  --syn-function: #93C5FD;
  --syn-attr: #7DD3FC;
  --syn-type: #F0ABFC;
  --syn-variable: #E6EDF3;
  --syn-punct: #9AA9BD;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, "Cascadia Mono", "Cascadia Code", "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", "DejaVu Sans Mono", monospace;

  --container: 74rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --header-h: 4rem;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg: #F6F8FB;
  --bg-soft: #FFFFFF;
  --header-bg: rgba(246, 248, 251, 0.88);
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --surface-3: #E8EEF6;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;

  --text: #0F172A;
  --text-2: #475569;
  --text-3: #5B6B82;

  --accent: #0369A1;
  --accent-strong: #075985;
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(3, 105, 161, 0.08);
  --accent-2: #7C3AED;
  --accent-2-text: #6D28D9;
  --accent-2-soft: rgba(124, 58, 237, 0.08);

  --success: #047857;
  --success-soft: rgba(4, 120, 87, 0.08);
  --warning: #B45309;
  --warning-soft: rgba(180, 83, 9, 0.08);
  --danger: #B91C1C;

  --code-bg: #F6F8FA;
  --code-text: #1E293B;
  --code-bar: rgba(15, 23, 42, 0.03);
  --grid-line: rgba(15, 23, 42, 0.06);
  --net-edge: rgba(71, 85, 105, 0.22);
  --net-node: rgba(71, 85, 105, 0.45);
  --mark: rgba(3, 105, 161, 0.14);
  --shadow: 0 18px 40px -26px rgba(15, 23, 42, 0.35);
  --logo-a: #0284C7;
  --logo-b: #7C3AED;

  --syn-comment: #64748B;
  --syn-keyword: #6D28D9;
  --syn-string: #047857;
  --syn-number: #B45309;
  --syn-function: #1D4ED8;
  --syn-attr: #0369A1;
  --syn-type: #A21CAF;
  --syn-variable: #0F172A;
  --syn-punct: #475569;
}

/* ---- Base ----------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1.25rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-main {
  flex: 1 0 auto;
}

.site-main:focus {
  outline: none;
}

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

img {
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(56, 189, 248, 0.3);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p,
figure,
blockquote {
  margin: 0;
}

code,
kbd,
pre,
samp {
  font-family: var(--font-mono);
}

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

.icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
}

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

.no-js .js-only {
  display: none !important;
}

.muted {
  color: var(--text-2);
}

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  top: -10rem;
  left: 1rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-xs);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.skip-link:focus {
  top: 0.75rem;
  color: var(--accent-ink);
}

/* ---- Shared components ---------------------------------------------------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}

.eyebrow-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.kicker {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.kicker::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 1px;
  background: currentColor;
  transform: rotate(45deg);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-2);
}

.meta-sep {
  color: var(--text-3);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.button .icon {
  width: 1rem;
  height: 1rem;
}

.button--primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button--primary:hover {
  background: var(--accent-strong);
  color: var(--accent-ink);
}

.button--ghost {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--text);
}

.button--ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.icon-button:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.icon-button.is-copied {
  border-color: var(--success);
  color: var(--success);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
}

.tag::before {
  content: "#";
  color: var(--text-3);
}

.tag:hover {
  border-color: var(--accent);
  color: var(--text);
}

.tag-count {
  color: var(--text-3);
}

.tags--cloud .tag {
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.25rem;
  padding: 0 0.5rem 0 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
}

.chip:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.chip[aria-current] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.chip-count {
  min-width: 1.5rem;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: center;
}

.chip[aria-current] .chip-count {
  background: rgba(11, 15, 25, 0.16);
  color: inherit;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1.25rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.section-title::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-2);
  font-size: 0.875rem;
}

.section-link .icon {
  width: 1rem;
  height: 1rem;
}

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

.empty-state {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: clamp(2rem, 6vw, 3.5rem) 1.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: radial-gradient(40rem 16rem at 50% 0%, var(--accent-soft), transparent 70%), var(--surface);
  text-align: center;
}

.empty-state p {
  max-width: 38rem;
  color: var(--text-2);
}

.empty-state .empty-title {
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 650;
}

.empty-state--compact {
  padding-block: 2rem;
}

.empty-icon {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-2);
  color: var(--accent);
}

.empty-icon .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--text-3);
}

.breadcrumbs a {
  color: var(--text-2);
}

.breadcrumbs li:last-child a {
  color: var(--accent);
}

.breadcrumbs a:hover {
  color: var(--text);
}

/* ---- Header --------------------------------------------------------------- */

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

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
}

.brand:hover {
  color: var(--text);
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo {
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
}

.logo-stop-a {
  stop-color: var(--logo-a);
}

.logo-stop-b {
  stop-color: var(--logo-b);
}

.nav-list {
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
  color: var(--text-2);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-list a:hover {
  background: var(--surface);
  color: var(--text);
}

.nav-list a[aria-current] {
  color: var(--text);
}

.nav-list a[aria-current]::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: -0.7rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 12rem;
  height: 2.5rem;
  padding: 0 0.45rem 0 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.875rem;
}

.search-trigger:hover,
.search-trigger[aria-current] {
  border-color: var(--border-strong);
  color: var(--text);
}

.search-trigger-kbd {
  margin-left: auto;
  padding: 0.05rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  color: var(--text-3);
  font-size: 0.72rem;
}

.theme-toggle .icon-moon,
.nav-toggle,
.nav-toggle .icon-close,
.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

:root[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.no-js .theme-toggle {
  display: none;
}

@media (max-width: 52rem) {
  .header-inner {
    gap: 0.75rem;
  }

  .search-trigger {
    justify-content: center;
    width: 2.5rem;
    min-width: 0;
    padding: 0;
  }

  .search-trigger-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .search-trigger-kbd {
    display: none;
  }

  .js .nav-toggle {
    display: inline-grid;
  }

  .js .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 0.5rem var(--gutter) 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    box-shadow: var(--shadow);
  }

  .js .nav-open .site-nav {
    display: block;
  }

  .js .nav-list {
    flex-direction: column;
  }

  .js .nav-list a {
    padding: 0.8rem 0.75rem;
    font-size: 1rem;
  }

  .js .nav-list a[aria-current]::after {
    top: 0.7rem;
    bottom: 0.7rem;
    left: 0;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
  }

  .no-js .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-block: 0.75rem;
  }

  .no-js .site-nav {
    order: 3;
    width: 100%;
  }

  .no-js .nav-list {
    flex-wrap: wrap;
  }

  .no-js .nav-list a[aria-current]::after {
    bottom: 0;
  }
}

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

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--border);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(56rem 30rem at 88% -10%, var(--accent-2-soft), transparent 62%),
    radial-gradient(48rem 26rem at -8% 110%, var(--accent-soft), transparent 62%);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 75% 80% at 70% 35%, #000 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 80% at 70% 35%, #000 25%, transparent 75%);
}

.hero-network {
  position: absolute;
  top: 50%;
  right: max(-3rem, calc((100vw - var(--container)) / 2 - 6rem));
  width: min(44rem, 58vw);
  height: auto;
  transform: translateY(-50%);
  opacity: 0.75;
}

.hn-edges {
  stroke: var(--net-edge);
  stroke-width: 1;
}

.hn-hot {
  stroke-width: 1.6;
}

.hn-nodes circle {
  fill: var(--bg);
  stroke: var(--net-node);
  stroke-width: 1.25;
}

.hn-node-blue {
  fill: var(--accent);
}

.hn-node-purple {
  fill: var(--accent-2);
}

.hn-ring {
  fill: none;
  stroke: var(--accent);
  stroke-opacity: 0.45;
  stroke-dasharray: 3 4;
}

.hero-inner {
  position: relative;
  padding-block: clamp(3.5rem, 9vw, 6.5rem) clamp(3rem, 7vw, 5rem);
}

.hero-content {
  max-width: 46rem;
}

.hero-title {
  max-width: 15em;
  margin-top: 1.25rem;
  font-size: clamp(2.25rem, 1.3rem + 3.8vw, 3.9rem);
  font-weight: 750;
  line-height: 1.06;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero-title .amp {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 38rem;
  margin-top: 1.25rem;
  color: var(--text-2);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2.75rem 0 0;
  padding: 0;
  list-style: none;
}

.topic {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.8125rem;
}

.topic .icon {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

.topic:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

@media (max-width: 52rem) {
  .hero-network {
    top: 0;
    right: -8rem;
    width: 28rem;
    transform: none;
    opacity: 0.3;
  }
}

/* ---- Sections, cards, and lists ------------------------------------------- */

.section {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.section:last-child {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: 1.25rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

@media (prefers-reduced-motion: no-preference) {
  .card:hover {
    transform: translateY(-2px);
  }
}

.card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem 1.35rem 1.35rem;
}

.card-flag {
  align-self: flex-start;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--accent-2-soft);
  border-radius: 999px;
  background: var(--accent-2-soft);
  color: var(--accent-2-text);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-title {
  font-size: 1.1875rem;
  line-height: 1.3;
  text-wrap: balance;
}

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

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card-link:hover,
.card:hover .card-link {
  color: var(--accent-strong);
}

:root[data-theme="light"] .card-link:hover,
:root[data-theme="light"] .card:hover .card-link {
  color: var(--accent);
}

.card-link:focus-visible {
  outline: none;
}

.card-link:focus-visible::after {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.card-summary {
  color: var(--text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.card .meta {
  margin-top: auto;
  padding-top: 0.25rem;
}

@media (min-width: 56rem) {
  .card--featured {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

  .card--featured .card-media {
    aspect-ratio: auto;
    min-height: 21rem;
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }

  .card--featured .card-body {
    justify-content: center;
    gap: 0.9rem;
    padding: 2.25rem 2.5rem;
  }

  .card--featured .card-title {
    font-size: clamp(1.5rem, 1.1rem + 1vw, 2rem);
    letter-spacing: -0.02em;
  }

  .card--featured .card-summary {
    font-size: 1.0625rem;
  }

  .card--featured .meta {
    margin-top: 0.25rem;
  }
}

.cover-fallback {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 100% 0%, var(--accent-2-soft), transparent 58%),
    radial-gradient(100% 90% at 0% 100%, var(--accent-soft), transparent 62%),
    var(--surface-2);
}

.cover-fallback::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}

.cover-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cover-edges {
  fill: none;
  stroke: var(--net-edge);
  stroke-width: 1;
}

.cover-nodes circle {
  fill: var(--surface-2);
  stroke: var(--net-node);
  stroke-width: 1.2;
}

.cover-nodes .cover-node-hot {
  fill: var(--accent-2);
  stroke: none;
}

.cover-fallback--ransomware .cover-node-hot,
.cover-fallback--detection-engineering .cover-node-hot {
  fill: var(--accent);
}

.cover-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 3.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft), var(--shadow);
}

.cover-icon .icon {
  width: 1.75rem;
  height: 1.75rem;
}

.post-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-list > li + li {
  border-top: 1px solid var(--border);
}

.post-row {
  position: relative;
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 0;
}

.post-row-date {
  padding-top: 0.15rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.post-row-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.post-row-title {
  font-size: 1.25rem;
  line-height: 1.3;
  text-wrap: balance;
}

.post-row:hover .card-link {
  color: var(--accent-strong);
}

:root[data-theme="light"] .post-row:hover .card-link {
  color: var(--accent);
}

.post-row-summary {
  max-width: 48rem;
  color: var(--text-2);
  font-size: 0.9375rem;
}

.post-row-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

@media (max-width: 40rem) {
  .post-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.category-grid--large {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease;
}

.category-card:hover {
  border-color: var(--border-strong);
}

.category-card:hover .card-link {
  color: var(--accent-strong);
}

:root[data-theme="light"] .category-card:hover .card-link {
  color: var(--accent);
}

.category-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-2-soft));
  color: var(--accent);
}

.category-icon--lg {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
}

.category-icon--lg .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.category-name {
  font-size: 1.0625rem;
}

.category-desc {
  color: var(--text-2);
  font-size: 0.875rem;
  line-height: 1.55;
}

.category-latest {
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
  color: var(--text);
  font-size: 0.875rem;
}

.category-count {
  margin-top: auto;
  padding-top: 0.25rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-strip {
  display: grid;
  align-items: center;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(40rem 20rem at 100% 0%, var(--accent-2-soft), transparent 60%),
    var(--surface);
}

.about-strip-title {
  font-size: 1.375rem;
}

.about-strip-text p {
  max-width: 42rem;
  margin-top: 0.6rem;
  color: var(--text-2);
}

.about-strip-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 56rem) {
  .about-strip {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.social-links .icon {
  width: 1rem;
  height: 1rem;
}

/* ---- Page layouts ---------------------------------------------------------- */

.page {
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(3rem, 7vw, 5rem);
}

.page--narrow {
  max-width: calc(48rem + 2 * var(--gutter));
}

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

.page-header .eyebrow {
  margin-bottom: 0.9rem;
}

.page-title {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 2.75rem);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.page-title-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-lead {
  max-width: 44rem;
  margin-top: 0.85rem;
  color: var(--text-2);
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
}

.page-count {
  margin-top: 0.85rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page .chip-row {
  margin-bottom: 1.5rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.filter-bar .chip-row {
  margin-bottom: 0;
}

.inline-search {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.inline-search-input {
  width: 14rem;
  height: 2.5rem;
  padding: 0 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
}

.inline-search-input::placeholder {
  color: var(--text-3);
}

.inline-search-input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.year-group + .year-group {
  margin-top: 2.5rem;
}

.year-title,
.tag-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.25rem 0 0.75rem;
  border-bottom: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.year-count {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.tag-nav {
  margin-bottom: 2rem;
}

.tag-section {
  padding: 0 1rem;
  margin: 0 -1rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.tag-section:target {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.tag-hash {
  color: var(--accent);
}

.tag-index {
  margin-top: 3rem;
}

.category-notes {
  margin-top: 2.5rem;
}

.not-found .search-form {
  margin-bottom: 1.25rem;
}

.not-found-actions {
  justify-content: flex-start;
}

.not-found-latest {
  margin-top: 3rem;
}

.not-found-latest .section-title {
  margin-bottom: 0.5rem;
}

/* ---- Search --------------------------------------------------------------- */

.search-form {
  position: relative;
}

.search-form-icon {
  position: absolute;
  top: 50%;
  left: 1.1rem;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--text-3);
  transform: translateY(-50%);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 3.5rem;
  padding: 0 1rem 0 3.1rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 1.0625rem;
}

.search-input::placeholder {
  color: var(--text-3);
}

.search-input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-hint {
  margin-top: 0.8rem;
  color: var(--text-2);
  font-size: 0.875rem;
}

.search-hint code {
  padding: 0.05em 0.35em;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-2);
  font-size: 0.85em;
}

.search-status {
  margin-top: 2rem;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.search-status:empty {
  display: none;
}

.search-results {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.search-result {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.search-result-title {
  font-size: 1.1875rem;
  line-height: 1.35;
}

.search-result:hover .card-link {
  color: var(--accent-strong);
}

:root[data-theme="light"] .search-result:hover .card-link {
  color: var(--accent);
}

.search-result-snippet {
  color: var(--text-2);
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.search-result mark {
  padding: 0 0.1em;
  border-radius: 3px;
  background: var(--mark);
  color: var(--text);
}

.search-empty {
  margin-top: 0.5rem;
  color: var(--text-2);
}

/* ---- Article -------------------------------------------------------------- */

.article {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 46rem);
  grid-template-areas:
    "header"
    "cover"
    "body";
  justify-content: center;
  column-gap: 4rem;
}

.article-header {
  grid-area: header;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.article-title {
  font-size: clamp(2rem, 1.3rem + 2.8vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.article-summary {
  margin-top: 1rem;
  color: var(--text-2);
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.6;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 1.5rem;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.meta-item .icon {
  width: 1rem;
  height: 1rem;
  color: var(--text-3);
}

.article-meta a {
  color: var(--text);
}

.article-meta a:hover {
  color: var(--accent);
}

.article-header .tags {
  margin-top: 1.25rem;
}

.article-cover {
  grid-area: cover;
  margin: 0 0 2.5rem;
}

.article-cover img {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.article-cover figcaption {
  margin-top: 0.7rem;
  color: var(--text-2);
  font-size: 0.875rem;
  text-align: center;
}

.article-body {
  grid-area: body;
  min-width: 0;
}

.article-aside {
  display: none;
  grid-area: aside;
}

@media (min-width: 72rem) {
  .article.has-toc .article-grid {
    grid-template-columns: minmax(0, 46rem) 15rem;
    grid-template-areas:
      "header ."
      "cover ."
      "body aside";
  }

  .article-aside {
    display: block;
  }

  .toc--inline {
    display: none;
  }
}

.toc--sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.75rem);
  max-height: calc(100vh - var(--header-h) - 3.5rem);
  overflow: auto;
  padding-right: 0.25rem;
  overscroll-behavior: contain;
}

.toc-title {
  margin-bottom: 0.9rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc-list,
.toc-list ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list {
  border-left: 1px solid var(--border);
}

.toc-list a {
  display: block;
  margin-left: -1px;
  padding: 0.32rem 0 0.32rem 0.95rem;
  border-left: 2px solid transparent;
  color: var(--text-2);
  font-size: 0.85rem;
  line-height: 1.45;
}

.toc-list ol a {
  padding-left: 1.75rem;
  font-size: 0.8125rem;
}

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

.toc-list a[aria-current] {
  border-left-color: var(--accent);
  color: var(--text);
}

.toc-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  color: var(--text-2);
  font-size: 0.8125rem;
}

.toc-top .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.toc--inline {
  margin: 0 0 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.toc--inline summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0 1rem;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

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

.toc--inline summary:hover {
  color: var(--text);
}

.toc--inline .toc-chevron {
  margin-left: auto;
  transition: transform 0.2s ease;
}

.toc--inline[open] .toc-chevron {
  transform: rotate(180deg);
}

.toc--inline .toc-list {
  margin: 0 1rem 1rem;
}

.glance {
  margin: 0 0 2rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.glance-title {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.glance-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr));
  gap: 1px;
  margin: 0;
  background: var(--border);
}

.glance-row {
  padding: 0.85rem 1.25rem;
  background: var(--surface);
}

.glance-row--wide {
  grid-column: 1 / -1;
}

.glance dt {
  margin-bottom: 0.3rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.glance dd {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
  margin: 0;
  font-size: 0.9375rem;
}

.glance dd:not(.mono) .glance-value:not(:last-child)::after {
  content: ",";
  color: var(--text-3);
}

.glance dd.mono {
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.glance-value[data-copy] {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  overflow-wrap: anywhere;
}

.glance-value .copy-button {
  flex: none;
  margin-top: -0.15rem;
}

.tlp {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: #000;
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.tlp--green {
  color: #33FF00;
}

.tlp--amber,
.tlp--amber-strict {
  color: #FFC000;
}

.tlp--red {
  color: #FF2B2B;
}

.article-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.share-label {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.share-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.share-list .icon {
  width: 1rem;
  height: 1rem;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-2);
  font-size: 0.875rem;
}

.back-to-top .icon {
  width: 1rem;
  height: 1rem;
}

.back-to-top:hover {
  color: var(--accent);
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3.5rem;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.post-nav-link:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.post-nav-next {
  align-items: flex-end;
  text-align: right;
}

.post-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.post-nav-label .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.post-nav-title {
  font-weight: 600;
  line-height: 1.35;
}

.post-nav-link:hover .post-nav-title {
  color: var(--accent);
}

@media (max-width: 40rem) {
  .post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-nav-next {
    align-items: flex-start;
    text-align: left;
  }
}

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

/* ---- Article typography (Markdown content) -------------------------------- */

.prose {
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.prose > * + * {
  margin-top: 1.25em;
}

.prose :where(h2, h3, h4, h5, h6) {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.prose h2 {
  margin-top: 2.25em;
  font-size: 1.625rem;
  letter-spacing: -0.02em;
}

.prose h3 {
  margin-top: 1.9em;
  font-size: 1.25rem;
}

.prose h4 {
  margin-top: 1.75em;
  font-size: 1.0625rem;
}

.prose :where(h2, h3, h4) + * {
  margin-top: 0.75em;
}

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

.prose hr {
  height: 1px;
  margin: 2.75em 0;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border-strong) 15%, var(--border-strong) 85%, transparent);
}

.prose hr + * {
  margin-top: 0;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose a:hover {
  text-decoration-color: currentColor;
}

.prose strong {
  font-weight: 650;
}

.prose :where(ul, ol) {
  margin-bottom: 0;
  padding-left: 1.4em;
}

.prose li + li,
.prose li > :where(ul, ol) {
  margin-top: 0.45em;
}

.prose li::marker {
  color: var(--text-3);
}

.prose ol > li::marker {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.prose blockquote {
  padding: 0.15em 0 0.15em 1.25em;
  border-left: 3px solid var(--accent-2);
  color: var(--text-2);
}

.prose blockquote > * + * {
  margin-top: 0.75em;
}

.prose :not(pre) > code {
  padding: 0.12em 0.38em;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.86em;
  overflow-wrap: anywhere;
}

.prose kbd {
  padding: 0.1em 0.4em;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-2);
  font-size: 0.82em;
}

.prose mark {
  padding: 0 0.15em;
  border-radius: 3px;
  background: var(--mark);
  color: inherit;
}

.prose img {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.prose figure,
.prose .figure {
  margin-block: 2em 0;
}

.prose figure + * {
  margin-top: 2em;
}

.prose figure img {
  display: block;
  margin-inline: auto;
}

.prose figcaption {
  margin-top: 0.75rem;
  color: var(--text-2);
  font-size: 0.875rem;
  line-height: 1.55;
  text-align: center;
}

.prose dl dt {
  font-weight: 650;
}

.prose dl dd {
  margin: 0.25em 0 0.75em 1.25em;
  color: var(--text-2);
}

.prose details {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.prose details summary {
  font-weight: 600;
  cursor: pointer;
}

.prose .footnotes {
  margin-top: 3em;
  padding-top: 1.5em;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.9rem;
}

.prose h2#references ~ ol,
.prose h2#references ~ ul {
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.zoom-link {
  display: block;
  cursor: zoom-in;
}

/* Code blocks */

.prose pre {
  margin: 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.84rem;
  line-height: 1.65;
  tab-size: 4;
}

.prose pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.prose .highlighter-rouge .highlight {
  margin: 0;
  background: transparent;
}

.code-block {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--code-bg);
}

.prose .code-block pre {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.5rem;
  padding: 0.35rem 0.5rem 0.35rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--code-bar);
}

.code-lang {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 1.85rem;
  padding: 0 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--surface);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  cursor: pointer;
}

.copy-button:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.copy-button.is-copied {
  border-color: var(--success);
  color: var(--success);
}

.copy-button .icon {
  width: 0.95rem;
  height: 0.95rem;
}

.copy-button--icon {
  width: 1.85rem;
  padding: 0;
  justify-content: center;
}

/* Tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.55;
}

.prose th {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
}

.prose td {
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

.prose tbody tr:first-child td {
  border-top: 0;
}

.prose tbody tr:hover {
  background: rgba(148, 163, 184, 0.04);
}

.prose td code {
  font-size: 0.82em;
}

.prose table.ioc td:first-child,
.prose table.kv td:first-child {
  width: 1%;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.prose table.ioc code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.prose table.attack td:first-child {
  color: var(--text-2);
  white-space: nowrap;
}

.prose table.attack td:last-child,
.prose table.attack .attack-id {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: nowrap;
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.5rem 0.4rem 1rem;
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background: var(--surface-2);
}

.prose .table-toolbar + .table-wrap {
  margin-top: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.table-toolbar-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.table-toolbar-label::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--warning);
}

/* Callouts: a blockquote followed by {: .callout .finding} and similar */

.prose .callout {
  --callout: var(--text-2);
  --callout-bg: transparent;
  --callout-label: "Note";
  padding: 1rem 1.25rem 1.1rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--callout);
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--callout-bg), transparent 70%), var(--surface);
  color: var(--text);
}

.prose .callout::before {
  content: var(--callout-label);
  display: block;
  margin-bottom: 0.5rem;
  color: var(--callout);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prose .callout[data-title]::before {
  content: attr(data-title);
}

.prose .callout > * + * {
  margin-top: 0.75em;
}

.prose .callout.finding {
  --callout: var(--accent);
  --callout-bg: var(--accent-soft);
  --callout-label: "Key finding";
}

.prose .callout.assessment {
  --callout: var(--accent-2-text);
  --callout-bg: var(--accent-2-soft);
  --callout-label: "Analyst assessment";
}

.prose .callout.detection {
  --callout: var(--success);
  --callout-bg: var(--success-soft);
  --callout-label: "Detection note";
}

.prose .callout.warning {
  --callout: var(--warning);
  --callout-bg: var(--warning-soft);
  --callout-label: "Caution";
}

/* Image lightbox */

.lightbox {
  max-width: 96vw;
  max-height: 96vh;
  padding: 0;
  overflow: visible;
  border: 0;
  background: transparent;
  color: #E6EDF3;
}

.lightbox::backdrop {
  background: rgba(5, 8, 15, 0.9);
}

.lightbox figure {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  margin: 0;
}

.lightbox img {
  width: auto;
  max-width: 96vw;
  max-height: 86vh;
  border-radius: 8px;
  background: #131B2B;
}

.lightbox figcaption {
  max-width: 60rem;
  color: #C9D4E3;
  font-size: 0.875rem;
  text-align: center;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  border-color: #2E3C57;
  background: #131B2B;
  color: #E6EDF3;
}

/* ---- Syntax highlighting (Rouge) ------------------------------------------ */

.highlight .c, .highlight .ch, .highlight .cd, .highlight .cm, .highlight .cpf,
.highlight .c1, .highlight .cs {
  color: var(--syn-comment);
  font-style: italic;
}

.highlight .k, .highlight .kc, .highlight .kd, .highlight .kn, .highlight .kp,
.highlight .kr, .highlight .kt, .highlight .kv, .highlight .ow, .highlight .cp {
  color: var(--syn-keyword);
}

.highlight .s, .highlight .sa, .highlight .sb, .highlight .sc, .highlight .dl,
.highlight .sd, .highlight .s2, .highlight .sh, .highlight .sx, .highlight .s1 {
  color: var(--syn-string);
}

.highlight .se, .highlight .si, .highlight .sr, .highlight .ss {
  color: var(--syn-number);
}

.highlight .m, .highlight .mb, .highlight .mf, .highlight .mh, .highlight .mi,
.highlight .il, .highlight .mo, .highlight .mx {
  color: var(--syn-number);
}

.highlight .nf, .highlight .fm, .highlight .nx {
  color: var(--syn-function);
}

.highlight .na, .highlight .nt, .highlight .nb, .highlight .bp, .highlight .no {
  color: var(--syn-attr);
}

.highlight .nc, .highlight .nn, .highlight .ne, .highlight .nd {
  color: var(--syn-type);
}

.highlight .nv, .highlight .vc, .highlight .vg, .highlight .vi, .highlight .vm {
  color: var(--syn-variable);
}

.highlight .o, .highlight .p {
  color: var(--syn-punct);
}

.highlight .gd {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
}

.highlight .gi {
  background: rgba(52, 211, 153, 0.1);
  color: var(--success);
}

.highlight .gh,
.highlight .gu {
  color: var(--syn-type);
  font-weight: 600;
}

.highlight .gp {
  color: var(--syn-comment);
  -webkit-user-select: none;
  user-select: none;
}

.highlight .go {
  color: var(--text-2);
}

.highlight .ge {
  font-style: italic;
}

.highlight .gs {
  font-weight: 700;
}

.highlight .err {
  color: var(--danger);
}

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

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-block: 3rem 2rem;
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  }
}

.footer-about p {
  max-width: 26rem;
  margin: 0.9rem 0 1.25rem;
  color: var(--text-2);
  font-size: 0.9375rem;
}

.footer-title {
  margin-bottom: 0.9rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-nav ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav a {
  color: var(--text-2);
  font-size: 0.9375rem;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.25rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ---- Motion and print ------------------------------------------------------ */

@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 {
  :root,
  :root[data-theme] {
    --bg: #FFFFFF;
    --surface: #FFFFFF;
    --surface-2: #F3F4F6;
    --border: #D1D5DB;
    --border-strong: #9CA3AF;
    --text: #111827;
    --text-2: #374151;
    --text-3: #4B5563;
    --accent: #0369A1;
    --code-bg: #F6F8FA;
    --code-text: #111827;
    --syn-comment: #4B5563;
    --syn-keyword: #5B21B6;
    --syn-string: #065F46;
    --syn-number: #92400E;
    --syn-function: #1E40AF;
    --syn-attr: #075985;
    --syn-type: #86198F;
    --syn-variable: #111827;
    --syn-punct: #374151;
  }

  .site-header,
  .site-footer,
  .skip-link,
  .article-aside,
  .toc--inline,
  .article-footer,
  .post-nav,
  .related,
  .code-toolbar,
  .table-toolbar {
    display: none !important;
  }

  .article-grid {
    display: block;
  }

  .prose a[href^="http"]::after {
    content: " (" attr(href) ")";
    color: #4B5563;
    font-size: 0.8em;
    overflow-wrap: anywhere;
  }

  .prose pre,
  .code-block,
  .table-wrap,
  .prose .callout,
  .glance {
    break-inside: avoid;
  }
}