:root {
  --color-bg: #ffffff;
  --color-raise: #f6f6f6;
  --color-text: #17181b;
  --color-muted: #63676e;
  --color-accent: #8d1130;
  --color-accent-deep: #680d24;
  --color-border: #e2e3e5;
  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mark: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 1200px;
  --radius: 2px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(30px, 5.4vw, 50px); }
h2 { font-size: clamp(23px, 3.2vw, 32px); }
h3 { font-size: clamp(18px, 2.1vw, 21px); }

p { margin: 0 0 1.05em; }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-deep); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.rd-container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.rd-skip { position: absolute; left: -9999px; }
.rd-skip:focus {
  left: 12px; top: 12px; z-index: 40;
  background: var(--color-bg); padding: 8px 14px;
  border: 1px solid var(--color-accent);
}

.rd-head { border-bottom: 1px solid var(--color-border); padding: 22px 0 0; }

.rd-head__logo {
  display: inline-block;
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}
.rd-head__logo span {
  display: block;
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-muted);
  margin-top: 4px;
}

.rd-head__nav { margin-top: 16px; }
.rd-head__nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.rd-head__nav a {
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.rd-head__nav a:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.rd-hero { padding: 56px 0 46px; }
.rd-hero h1 { max-width: 18ch; }
.rd-hero__answer {
  font-size: 20px;
  color: var(--color-muted);
  max-width: 62ch;
}

.rd-jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
  max-width: 640px;
}
.rd-jump li { border-bottom: 1px solid var(--color-border); }
.rd-jump a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 16px;
}
.rd-jump a:hover { color: var(--color-accent); }
.rd-jump span { font-family: var(--font-mark); font-size: 12px; color: var(--color-muted); }

.rd-section { padding: 46px 0; }

.rd-kicker {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 10px;
}

.rd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.rd-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.rd-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
}
.rd-card__body { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.rd-card__tag {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 8px;
}
.rd-card__title { margin: 0 0 8px; font-size: 20px; }
.rd-card__title a { color: var(--color-text); text-decoration: none; }
.rd-card__title a:hover { color: var(--color-accent); }
.rd-card__text { font-size: 15px; color: var(--color-muted); margin: 0 0 14px; }
.rd-card__foot { margin-top: auto; font-family: var(--font-mark); font-size: 12px; color: var(--color-muted); }

.rd-log { list-style: none; margin: 26px 0 0; padding: 0; border-top: 1px solid var(--color-border); }
.rd-log li { border-bottom: 1px solid var(--color-border); }
.rd-log a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 12px 0;
  text-decoration: none;
  color: var(--color-text);
  font-size: 16px;
}
.rd-log a:hover { color: var(--color-accent); }
.rd-log time { font-family: var(--font-mark); font-size: 12px; color: var(--color-muted); flex: none; }

.rd-split { display: grid; grid-template-columns: 1fr; gap: 26px; }
.rd-split h2 { margin-top: 0; }

.rd-prose { max-width: 68ch; }
.rd-prose ul { padding-left: 20px; }
.rd-prose li { margin-bottom: 8px; }
.rd-prose li::marker { color: var(--color-accent); }

.rd-btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 22px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
}
.rd-btn:hover { background: var(--color-accent-deep); border-color: var(--color-accent-deep); color: #fff; }
.rd-btn--line { background: transparent; color: var(--color-accent); }
.rd-btn--line:hover { background: transparent; color: var(--color-accent-deep); text-decoration: underline; }

.rd-note { font-size: 13px; color: var(--color-muted); margin: 10px 0 0; }

.rd-tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 660px; font-size: 15px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 400;
}

.rd-faq { border-top: 1px solid var(--color-border); }
.rd-faq__item { border-bottom: 1px solid var(--color-border); padding: 14px 0; }
.rd-faq__item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
  list-style: none;
}
.rd-faq__item summary::-webkit-details-marker { display: none; }
.rd-faq__item summary::before { content: "›"; color: var(--color-accent); font-family: var(--font-mark); margin-right: 10px; }
.rd-faq__item[open] summary::before { content: "⌄"; }
.rd-faq__item p { margin: 12px 0 0; max-width: 68ch; }

.rd-promo { background: var(--color-raise); padding: 30px 24px; border-radius: var(--radius); }
.rd-promo p { max-width: 62ch; }

.rd-article__head { padding: 44px 0 10px; }
.rd-article__meta {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 14px;
}
.rd-article { max-width: 860px; margin: 0 auto; }
.rd-article figure { margin: 26px 0; }
.rd-article figcaption { font-size: 13px; color: var(--color-muted); margin-top: 8px; }
.rd-article img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.rd-form { max-width: 520px; }
.rd-form__field { margin-bottom: 15px; }
.rd-form label { display: block; font-size: 14px; margin-bottom: 6px; }
.rd-form input, .rd-form textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 10px 12px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  background: #fff; color: var(--color-text);
}
.rd-form textarea { min-height: 130px; resize: vertical; }
.rd-form__hp { position: absolute; left: -9999px; }

.rd-foot { border-top: 1px solid var(--color-border); padding: 26px 0; font-size: 14px; }
.rd-foot__links { margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.rd-foot__links a { color: var(--color-text); text-decoration: none; }
.rd-foot__links a:hover { color: var(--color-accent); text-decoration: underline; }
.rd-foot address { font-style: normal; color: var(--color-muted); }
.rd-foot__copy { color: var(--color-muted); margin: 12px 0 0; font-size: 13px; }

.rd-cookie {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: var(--color-bg); border-top: 1px solid var(--color-border);
  padding: 14px 0; z-index: 35;
}
.rd-cookie[hidden] { display: none; }
.rd-cookie__inner { display: grid; gap: 12px; }
.rd-cookie__text { font-size: 14px; margin: 0; }
.rd-cookie__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.rd-cookie__btn {
  font: inherit; font-size: 14px; font-weight: 700; padding: 9px 16px;
  border-radius: var(--radius); cursor: pointer;
  background: var(--color-accent); color: #fff; border: 1px solid var(--color-accent);
}
.rd-cookie__btn--alt { background: transparent; color: var(--color-text); border-color: var(--color-border); }

.rd-mid { padding: 80px 0; text-align: center; }

.rd-section { padding: 52px 0; }
.rd-section > .rd-container::before {
  content: "";
  display: block;
  width: 120px;
  height: 3px;
  background: var(--color-accent);
  margin-bottom: 26px;
}

@media (min-width: 640px) {
  .rd-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .rd-head__nav ul { justify-content: flex-end; }
  .rd-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .rd-split { grid-template-columns: 1fr 1fr; gap: 44px; }
  .rd-cookie__inner { grid-template-columns: 1fr auto; align-items: center; }
}