/* ==========================================================================
   Redsolution CMS — rdc design system
   Self hosted Bulma, variables customised for this project only.
   Naming token: rdc- (Redsolution content system)
   Seed: 818415947
   ========================================================================== */

:root {
  /* palette ---------------------------------------------------------------- */
  --rdc-ink: #242830;
  --rdc-ink-2: #1a1d23;
  --rdc-ink-3: #30353f;
  --rdc-red: #9b1c1c;
  --rdc-red-2: #e02525;
  --rdc-red-3: #7c1414;
  --rdc-red-soft: #fbeaea;
  --rdc-paper: #ffffff;
  --rdc-paper-2: #f7f5f4;
  --rdc-paper-3: #efece9;
  --rdc-line: #e4dfdb;
  --rdc-muted: #6a6f76;
  --rdc-ok: #2f7d4f;

  /* type ------------------------------------------------------------------- */
  --rdc-font: Arial, Helvetica, "Segoe UI", "Liberation Sans", sans-serif;
  --rdc-mono: "Courier New", "Consolas", monospace;

  /* geometry --------------------------------------------------------------- */
  --rdc-maxw: 1200px;
  --rdc-radius: 7px;
  --rdc-radius-sm: 4px;
  --rdc-shadow: 0 18px 40px rgba(26, 29, 35, 0.16);
  --rdc-shadow-sm: 0 6px 18px rgba(26, 29, 35, 0.1);

  /* spacing scale (generous) ---------------------------------------------- */
  --rdc-s1: 8px;
  --rdc-s2: 16px;
  --rdc-s3: 24px;
  --rdc-s4: 32px;
  --rdc-s5: 48px;
  --rdc-s6: 64px;

  /* Bulma variable overrides ---------------------------------------------- */
  --bulma-family-primary: var(--rdc-font);
  --bulma-family-secondary: var(--rdc-font);
  --bulma-family-code: var(--rdc-mono);

  --bulma-primary-h: 0;
  --bulma-primary-s: 69%;
  --bulma-primary-l: 36%;
  --bulma-link-h: 0;
  --bulma-link-s: 69%;
  --bulma-link-l: 36%;
  --bulma-text-h: 220;
  --bulma-text-s: 14%;
  --bulma-text-l: 17%;

  --bulma-body-background-color: var(--rdc-paper);
  --bulma-body-color: #333333;
  --bulma-body-family: var(--rdc-font);
  --bulma-body-size: 16px;
  --bulma-body-line-height: 1.7;

  --bulma-radius: var(--rdc-radius);
  --bulma-radius-small: var(--rdc-radius-sm);
  --bulma-radius-rounded: 999px;

  --bulma-link-text: var(--rdc-red);
  --bulma-link-text-hover: var(--rdc-red-2);
  --bulma-link-text-active: var(--rdc-red-3);
  --bulma-link-text-visited: var(--rdc-red-3);

  --bulma-border: var(--rdc-line);
  --bulma-border-weak: var(--rdc-line);
  --bulma-border-hover: var(--rdc-red);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--rdc-font);
  font-size: 16px;
  line-height: 1.7;
  color: #333;
  background-color: var(--rdc-paper);
  background-image: radial-gradient(circle at 12% 0%, rgba(155, 28, 28, 0.05), transparent 42%);
  background-repeat: no-repeat;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--rdc-font);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rdc-ink);
  line-height: 1.22;
  margin: 0 0 var(--rdc-s2);
}

h1 { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 1.15rem + 1.4vw, 2.1rem); }
h3 { font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.5rem); }
h4 { font-size: 1.15rem; }
h5 { font-size: 1.02rem; }
h6 { font-size: 0.95rem; }

p { margin: 0 0 var(--rdc-s2); }

a { color: var(--rdc-red); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--rdc-red-2); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--rdc-red-2);
  outline-offset: 2px;
  border-radius: var(--rdc-radius-sm);
}

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

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

hr { border: 0; border-top: 1px solid var(--rdc-line); margin: var(--rdc-s4) 0; }

.rdc-wrap {
  width: 100%;
  max-width: var(--rdc-maxw);
  margin: 0 auto;
  padding: 0 var(--rdc-s3);
}

/* prevent grid and flex children from forcing overflow via long content */
.rdc-hero__grid > *,
.rdc-show > *,
.rdc-layout > *,
.rdc-grid > *,
.rdc-modgrid > *,
.rdc-footer__top > *,
.rdc-news__item > *,
.rdc-cta > * { min-width: 0; }

html, body { overflow-x: hidden; }

.rdc-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--rdc-ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
  text-decoration: none;
}
.rdc-skip:focus { left: 8px; top: 8px; }

/* --------------------------------------------------------------------------
   header
   -------------------------------------------------------------------------- */
.rdc-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--rdc-ink);
  color: #fff;
  border-bottom: 4px solid var(--rdc-red);
}

.rdc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rdc-s3);
  min-height: 76px;
}

.rdc-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  flex: 0 0 auto;
}
.rdc-logo:hover { color: #fff; }

.rdc-logo__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--rdc-red);
  color: #fff;
  font-weight: 700;
  font-size: 22px;
  border-radius: var(--rdc-radius-sm);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.25);
}

.rdc-logo__stack { display: flex; flex-direction: column; line-height: 1.05; }
.rdc-logo__text { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.rdc-logo__red { color: #ff6b6b; }
.rdc-logo__ink { color: #fff; }
.rdc-logo__sub {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #b9bec7;
}

.rdc-burger {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--rdc-radius-sm);
  width: 44px;
  height: 40px;
  cursor: pointer;
  padding: 0;
}
.rdc-burger span,
.rdc-burger span::before,
.rdc-burger span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  margin: 0 auto;
  position: relative;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.rdc-burger span::before { content: ""; position: absolute; top: -6px; }
.rdc-burger span::after { content: ""; position: absolute; top: 6px; }
.rdc-burger[aria-expanded="true"] span { background: transparent; }
.rdc-burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.rdc-burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.rdc-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}
.rdc-nav a {
  display: block;
  color: #e7e9ee;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  border-radius: var(--rdc-radius-sm);
  border-bottom: 3px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.rdc-nav a:hover { background: rgba(255, 255, 255, 0.09); color: #fff; }
.rdc-nav a.is-active {
  color: #fff;
  border-bottom-color: var(--rdc-red-2);
  background: rgba(224, 37, 37, 0.16);
}

/* --------------------------------------------------------------------------
   buttons
   -------------------------------------------------------------------------- */
.rdc-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  font-family: var(--rdc-font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--rdc-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.rdc-btn--primary {
  background: var(--rdc-red);
  color: #fff;
  box-shadow: 0 10px 22px rgba(155, 28, 28, 0.28);
}
.rdc-btn--primary:hover {
  background: var(--rdc-red-2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(224, 37, 37, 0.32);
}
.rdc-btn--ghost {
  background: transparent;
  color: var(--rdc-ink);
  border-color: var(--rdc-ink);
}
.rdc-btn--ghost:hover { background: var(--rdc-ink); color: #fff; transform: translateY(-2px); }
.rdc-btn--light {
  background: #fff;
  color: var(--rdc-ink);
  border-color: var(--rdc-line);
}
.rdc-btn--light:hover { border-color: var(--rdc-red); color: var(--rdc-red); transform: translateY(-2px); }
.rdc-btn--sm { padding: 9px 16px; font-size: 12px; }
.rdc-btn svg { width: 16px; height: 16px; }

.rdc-btnrow { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* --------------------------------------------------------------------------
   hero
   -------------------------------------------------------------------------- */
.rdc-hero {
  background:
    linear-gradient(135deg, var(--rdc-ink) 0%, var(--rdc-ink-3) 55%, var(--rdc-red-3) 140%);
  color: #fff;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rdc-ink-2);
}
.rdc-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(224, 37, 37, 0.35), transparent 62%);
  pointer-events: none;
}
.rdc-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--rdc-s5);
  align-items: center;
  padding: var(--rdc-s6) 0;
  position: relative;
  z-index: 1;
}
.rdc-hero h1 { color: #fff; margin-bottom: var(--rdc-s2); }
.rdc-hero h1 .rdc-accent { color: #ff8a8a; }
.rdc-hero__lead { font-size: 1.12rem; color: #d7dae0; max-width: 54ch; }
.rdc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--rdc-s3);
}
.rdc-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #f0d4d4;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 7px 12px;
  border-radius: 999px;
}

/* terminal / code panel */
.rdc-term {
  background: #12151a;
  border: 1px solid #2b313b;
  border-radius: var(--rdc-radius);
  box-shadow: var(--rdc-shadow);
  overflow: hidden;
}
.rdc-term__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #1b1f26;
  border-bottom: 1px solid #2b313b;
}
.rdc-term__dot { width: 11px; height: 11px; border-radius: 50%; background: #3c424d; }
.rdc-term__dot:nth-child(1) { background: #e02525; }
.rdc-term__dot:nth-child(2) { background: #d8a13a; }
.rdc-term__dot:nth-child(3) { background: #3f9d63; }
.rdc-term__title { margin-left: 8px; font-family: var(--rdc-mono); font-size: 12px; color: #8b929d; }
.rdc-term pre {
  margin: 0;
  padding: 18px 20px;
  background: #12151a;
  color: #eef2f8;
  font-size: 13.5px;
  line-height: 1.75;
  border-radius: 0;
  overflow-x: auto;
  max-width: 100%;
}
.rdc-term pre code { background: transparent; color: inherit; padding: 0; }
.rdc-term .c-cmd { color: #ff9a9a; }
.rdc-term .c-str { color: #9fe0b3; }
.rdc-term .c-dim { color: #9aa3b0; }

/* --------------------------------------------------------------------------
   sections
   -------------------------------------------------------------------------- */
.rdc-section { padding: var(--rdc-s6) 0; }
.rdc-section--tight { padding: var(--rdc-s5) 0; }
.rdc-section--paper { background: var(--rdc-paper-2); border-top: 1px solid var(--rdc-line); border-bottom: 1px solid var(--rdc-line); }
.rdc-section--ink { background: var(--rdc-ink); color: #e7e9ee; }
.rdc-section--ink h2, .rdc-section--ink h3 { color: #fff; }

.rdc-head { max-width: 66ch; margin-bottom: var(--rdc-s4); }
.rdc-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.rdc-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rdc-red);
  padding-left: 14px;
  position: relative;
  margin-bottom: 12px;
}
.rdc-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--rdc-red-2);
  transform: rotate(45deg);
}
.rdc-section--ink .rdc-eyebrow { color: #ff9d9d; }
.rdc-lead { font-size: 1.06rem; color: var(--rdc-muted); }
.rdc-section--ink .rdc-lead { color: #b9bec7; }

/* --------------------------------------------------------------------------
   cards
   -------------------------------------------------------------------------- */
.rdc-grid { display: grid; gap: var(--rdc-s3); }
.rdc-grid--2 { grid-template-columns: repeat(2, 1fr); }
.rdc-grid--3 { grid-template-columns: repeat(3, 1fr); }
.rdc-grid--4 { grid-template-columns: repeat(4, 1fr); }

.rdc-card {
  position: relative;
  background: var(--rdc-paper);
  border: 1px solid var(--rdc-line);
  border-radius: var(--rdc-radius);
  padding: var(--rdc-s3);
  border-top: 3px solid var(--rdc-red);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.rdc-card:hover { transform: translateY(-4px); box-shadow: var(--rdc-shadow-sm); border-top-color: var(--rdc-red-2); }
.rdc-card__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--rdc-radius-sm);
  background: var(--rdc-red-soft);
  color: var(--rdc-red);
  margin-bottom: var(--rdc-s2);
}
.rdc-card__icon svg { width: 24px; height: 24px; }
.rdc-card h3 { margin-bottom: 8px; font-size: 1.16rem; }
.rdc-card p { margin: 0; color: #4a4f57; font-size: 0.96rem; }
.rdc-card--link { text-decoration: none; display: block; color: inherit; }
.rdc-card--link:hover { color: inherit; }
.rdc-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--rdc-s2);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--rdc-red);
}
.rdc-card--link:hover .rdc-card__more { color: var(--rdc-red-2); gap: 10px; }

/* module cards denser */
.rdc-modgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--rdc-s2); }
.rdc-mod {
  display: flex;
  gap: var(--rdc-s2);
  align-items: flex-start;
  padding: var(--rdc-s2);
  border: 1px solid var(--rdc-line);
  border-left: 3px solid var(--rdc-red);
  border-radius: var(--rdc-radius);
  background: var(--rdc-paper);
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.rdc-mod:hover { transform: translateX(4px); border-left-color: var(--rdc-red-2); box-shadow: var(--rdc-shadow-sm); color: inherit; }
.rdc-mod__abbr {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--rdc-ink);
  color: #fff;
  border-radius: var(--rdc-radius-sm);
  font-family: var(--rdc-mono);
  font-size: 13px;
  font-weight: 700;
}
.rdc-mod h4 { margin: 0 0 4px; font-size: 1rem; }
.rdc-mod p { margin: 0; font-size: 0.9rem; color: var(--rdc-muted); }

/* --------------------------------------------------------------------------
   interactive feature showcase (echoes the original tab slider)
   -------------------------------------------------------------------------- */
.rdc-show { display: grid; grid-template-columns: 340px 1fr; gap: var(--rdc-s4); align-items: start; }
.rdc-show__tabs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.rdc-show__tab {
  width: 100%;
  text-align: left;
  background: var(--rdc-paper);
  border: 1px solid var(--rdc-line);
  border-left: 4px solid transparent;
  border-radius: var(--rdc-radius);
  padding: 14px 16px;
  cursor: pointer;
  font-family: var(--rdc-font);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.rdc-show__tab:hover { border-left-color: var(--rdc-red-2); transform: translateX(3px); }
.rdc-show__tab[aria-selected="true"] {
  border-left-color: var(--rdc-red);
  background: var(--rdc-red-soft);
}
.rdc-show__tab strong { display: block; font-size: 1rem; color: var(--rdc-ink); }
.rdc-show__tab span { display: block; font-size: 0.86rem; color: var(--rdc-muted); margin-top: 4px; }
.rdc-show__panel {
  background: var(--rdc-paper);
  border: 1px solid var(--rdc-line);
  border-radius: var(--rdc-radius);
  overflow: hidden;
  box-shadow: var(--rdc-shadow-sm);
}
.rdc-show__panel img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.rdc-show__body { padding: var(--rdc-s3); }
.rdc-show__body h3 { margin-bottom: 10px; }
.rdc-show__body p { margin: 0; color: #454a52; }
.rdc-show__item[hidden] { display: none; }

/* --------------------------------------------------------------------------
   news
   -------------------------------------------------------------------------- */
.rdc-news { list-style: none; margin: 0; padding: 0; }
.rdc-news__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--rdc-s3);
  padding: var(--rdc-s3) 0;
  border-bottom: 1px solid var(--rdc-line);
}
.rdc-news__item:first-child { border-top: 1px solid var(--rdc-line); }
.rdc-news__date {
  font-size: 13px;
  font-weight: 700;
  color: var(--rdc-red);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.rdc-news__item h3 { font-size: 1.18rem; margin-bottom: 6px; }
.rdc-news__item h3 a { text-decoration: none; }
.rdc-news__item h3 a:hover { text-decoration: underline; }
.rdc-news__item p { margin: 0; color: var(--rdc-muted); font-size: 0.96rem; }
.rdc-news--side .rdc-news__item { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
.rdc-news--side .rdc-news__item h3 { font-size: 0.98rem; margin: 0; }

/* --------------------------------------------------------------------------
   inner page layout
   -------------------------------------------------------------------------- */
.rdc-page { padding: var(--rdc-s5) 0 var(--rdc-s6); }
.rdc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--rdc-s5); align-items: start; }
.rdc-layout--full { grid-template-columns: minmax(0, 1fr); }

.rdc-crumbs { margin-bottom: var(--rdc-s3); }
.rdc-crumbs ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; font-size: 13px; }
.rdc-crumbs li { display: flex; align-items: center; gap: 8px; color: var(--rdc-muted); }
.rdc-crumbs li::after { content: "\2192"; color: var(--rdc-line); }
.rdc-crumbs li:last-child::after { content: ""; }
.rdc-crumbs a { color: var(--rdc-red); text-decoration: none; }
.rdc-crumbs a:hover { text-decoration: underline; }

.rdc-pagehead { margin-bottom: var(--rdc-s4); padding-bottom: var(--rdc-s3); border-bottom: 1px solid var(--rdc-line); }
.rdc-pagehead h1 { margin-bottom: 10px; }
.rdc-pagehead .rdc-lead { margin: 0; }

/* prose */
.rdc-prose { max-width: 74ch; overflow-wrap: break-word; }
.rdc-prose pre { max-width: 100%; }
.rdc-prose > * + * { margin-top: var(--rdc-s2); }
.rdc-prose h2 { margin-top: var(--rdc-s5); padding-top: var(--rdc-s2); position: relative; }
.rdc-prose h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 4px;
  background: var(--rdc-red);
  border-radius: 2px;
}
.rdc-prose h3 { margin-top: var(--rdc-s4); }
.rdc-prose h4 { margin-top: var(--rdc-s3); }
.rdc-prose ul, .rdc-prose ol { margin: 0 0 var(--rdc-s2); padding-left: 1.35rem; }
.rdc-prose li { margin-bottom: 8px; }
.rdc-prose ul { list-style: square; }
.rdc-prose ul li::marker { color: var(--rdc-red); }
.rdc-prose img { border-radius: var(--rdc-radius); box-shadow: var(--rdc-shadow-sm); margin: var(--rdc-s2) 0; }
.rdc-prose blockquote {
  margin: var(--rdc-s3) 0;
  padding: var(--rdc-s2) var(--rdc-s3);
  background: var(--rdc-red-soft);
  border-left: 4px solid var(--rdc-red);
  border-radius: 0 var(--rdc-radius) var(--rdc-radius) 0;
  color: #4a3a3a;
}
.rdc-prose blockquote p:last-child { margin-bottom: 0; }
.rdc-prose code {
  background: var(--rdc-paper-3);
  color: var(--rdc-red-3);
  padding: 2px 6px;
  border-radius: var(--rdc-radius-sm);
  font-size: 0.9em;
}
.rdc-prose pre {
  background: #12151a;
  color: #d8dee8;
  padding: var(--rdc-s3);
  border-radius: var(--rdc-radius);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  border: 1px solid #2b313b;
}
.rdc-prose pre code { background: transparent; color: inherit; padding: 0; }
.rdc-prose table { width: 100%; border-collapse: collapse; margin: var(--rdc-s3) 0; font-size: 0.94rem; }
.rdc-prose th, .rdc-prose td { border: 1px solid var(--rdc-line); padding: 10px 12px; text-align: left; vertical-align: top; }
.rdc-prose th { background: var(--rdc-paper-2); color: var(--rdc-ink); }
.rdc-prose a { font-weight: 600; }

.rdc-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--rdc-s2);
  margin: 0 0 var(--rdc-s3);
  padding: var(--rdc-s2);
  background: var(--rdc-paper-2);
  border: 1px solid var(--rdc-line);
  border-radius: var(--rdc-radius);
}
.rdc-meta div { font-size: 0.9rem; }
.rdc-meta dt { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--rdc-muted); font-weight: 700; }
.rdc-meta dd { margin: 2px 0 0; font-weight: 700; color: var(--rdc-ink); }

.rdc-notice {
  display: flex;
  gap: var(--rdc-s2);
  padding: var(--rdc-s2) var(--rdc-s3);
  border: 1px solid var(--rdc-line);
  border-left: 4px solid var(--rdc-red);
  background: var(--rdc-paper-2);
  border-radius: var(--rdc-radius);
  margin: var(--rdc-s3) 0;
}
.rdc-notice p:last-child { margin-bottom: 0; }
.rdc-notice__tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--rdc-red); flex: 0 0 auto; }

.rdc-refs { margin-top: var(--rdc-s5); padding-top: var(--rdc-s3); border-top: 2px solid var(--rdc-line); }
.rdc-refs h2 { margin-top: 0; }
.rdc-refs ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.rdc-refs li { display: flex; gap: 10px; align-items: baseline; font-size: 0.94rem; }
.rdc-refs li::before { content: "\2197"; color: var(--rdc-red); font-weight: 700; }
.rdc-refs a { text-decoration: none; }
.rdc-refs a:hover { text-decoration: underline; }

/* sidebar */
.rdc-side { display: flex; flex-direction: column; gap: var(--rdc-s3); position: sticky; top: 96px; }
.rdc-box {
  border: 1px solid var(--rdc-line);
  border-radius: var(--rdc-radius);
  overflow: hidden;
  background: var(--rdc-paper);
}
.rdc-box__head {
  background: var(--rdc-ink);
  color: #fff;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.rdc-box__body { padding: 8px 8px 12px; }
.rdc-box ul { list-style: none; margin: 0; padding: 0; }
.rdc-box li a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--rdc-radius-sm);
  color: #3b4048;
  text-decoration: none;
  font-size: 0.94rem;
  border-left: 3px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.rdc-box li a:hover { background: var(--rdc-paper-2); border-left-color: var(--rdc-red-2); color: var(--rdc-red); }
.rdc-box li a[aria-current="page"] { background: var(--rdc-red-soft); border-left-color: var(--rdc-red); color: var(--rdc-red-3); font-weight: 700; }
.rdc-box .rdc-news { padding: 4px 12px 8px; }

/* --------------------------------------------------------------------------
   cta band
   -------------------------------------------------------------------------- */
.rdc-cta {
  background: linear-gradient(120deg, var(--rdc-red-3), var(--rdc-red));
  color: #fff;
  border-radius: var(--rdc-radius);
  padding: var(--rdc-s4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rdc-s3);
  flex-wrap: wrap;
  box-shadow: var(--rdc-shadow);
}
.rdc-cta > div:first-child { flex: 1 1 0; min-width: 0; }
.rdc-cta > .rdc-btnrow { flex: 0 0 auto; justify-content: flex-end; }
.rdc-cta h2 { color: #fff; margin: 0 0 6px; }
.rdc-cta p { margin: 0; color: #f6dede; }

/* --------------------------------------------------------------------------
   footer
   -------------------------------------------------------------------------- */
.rdc-footer { background: var(--rdc-ink); color: #b9bec7; margin-top: var(--rdc-s6); border-top: 4px solid var(--rdc-red); }
.rdc-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--rdc-s4);
  padding: var(--rdc-s5) 0 var(--rdc-s4);
}
.rdc-footer h3 {
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--rdc-s2);
}
.rdc-footer a { color: #cfd3da; text-decoration: none; }
.rdc-footer a:hover { color: #fff; text-decoration: underline; }
.rdc-footer ul { list-style: none; margin: 0; padding: 0; }
.rdc-footer li { margin-bottom: 8px; font-size: 0.94rem; }
.rdc-footer__brand p { font-size: 0.94rem; max-width: 34ch; }
.rdc-footer__license {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  border: 1px solid #3a4049;
  border-radius: 999px;
  padding: 6px 12px;
  color: #d7dae0;
}
.rdc-footer__joke { font-style: italic; color: #8f959e; font-size: 0.9rem; }
.rdc-footer__bottom {
  border-top: 1px solid #333944;
  padding: var(--rdc-s3) 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */
.rdc-404 { padding: var(--rdc-s6) 0; }
.rdc-404__term { max-width: 720px; margin: 0 auto var(--rdc-s4); }
.rdc-404__code { font-family: var(--rdc-mono); font-size: 64px; font-weight: 700; color: #ff8a8a; line-height: 1; }
.rdc-404__cursor { display: inline-block; width: 12px; height: 1.1em; background: #ff8a8a; vertical-align: -2px; animation: rdc-blink 1s steps(1) infinite; }
@keyframes rdc-blink { 50% { opacity: 0; } }

/* reveal */
/* content is always visible; no opacity-gated reveal so nothing can stay blank */
.rdc-reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {
  .rdc-hero__grid { grid-template-columns: 1fr; gap: var(--rdc-s4); }
  .rdc-layout { grid-template-columns: 1fr; gap: var(--rdc-s4); }
  .rdc-side { position: static; }
  .rdc-show { grid-template-columns: 1fr; }
  .rdc-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .rdc-footer__top { grid-template-columns: 1fr 1fr; }

  /* collapse navigation to a burger on tablet and below */
  .rdc-burger { display: block; }
  .rdc-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--rdc-ink-2);
    border-bottom: 4px solid var(--rdc-red);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .rdc-nav.is-open { max-height: 480px; }
  .rdc-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px; }
  .rdc-nav a { border-bottom: 1px solid #2c323c; border-left: 3px solid transparent; border-radius: 0; padding: 14px; }
  .rdc-nav a.is-active { border-bottom-color: #2c323c; border-left-color: var(--rdc-red-2); }
}

@media (max-width: 767px) {
  .rdc-header__inner { min-height: 64px; }
  .rdc-prose pre, .rdc-term pre { white-space: pre-wrap; overflow-wrap: anywhere; }
  .rdc-grid--2, .rdc-grid--3, .rdc-grid--4, .rdc-modgrid { grid-template-columns: 1fr; }
  .rdc-news__item { grid-template-columns: 1fr; gap: 6px; }
  .rdc-footer__top { grid-template-columns: 1fr; gap: var(--rdc-s3); }
  .rdc-cta { flex-direction: column; align-items: flex-start; }
  .rdc-section { padding: var(--rdc-s5) 0; }
  .rdc-wrap { padding: 0 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .rdc-reveal { opacity: 1; transform: none; }
}