:root {
  --ink: #1c2433;
  --ink-soft: #3d4a5c;
  --muted: #6b788a;
  --paper: #eef2f7;
  --paper-deep: #e3e8f0;
  --surface: #fbfcfe;
  --line: #c9d3df;
  --court: #24324a;
  --spike: #e85d4c;
  --spike-soft: #fde8e4;
  --chalk: #2a8f9a;
  --chalk-soft: #d7eef0;
  --shadow: 0 10px 22px rgba(36, 50, 74, 0.07);
  --radius: 6px;
  --shell: 1040px;
  --font-display: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Barlow", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 47px,
      rgba(42, 143, 154, 0.05) 47px,
      rgba(42, 143, 154, 0.05) 48px
    ),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 4px;
  background: var(--court);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.skip-link:focus {
  top: 12px;
}

.shell {
  width: min(100% - 32px, var(--shell));
  margin-inline: auto;
}

.masthead {
  position: relative;
  background: var(--court);
  color: #f4f7fb;
  overflow: hidden;
}

.court-line {
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: repeating-linear-gradient(
    180deg,
    var(--spike) 0 10px,
    transparent 10px 16px
  );
}

.masthead__inner {
  position: relative;
  padding: 20px 0 18px 10px;
}

.brand {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.78rem, 0.7rem + 0.35vw, 0.9rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fd4da;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.masthead__title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.22);
}

.masthead h1 {
  margin: 0;
  min-width: 0;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 1.05rem + 1.2vw, 1.7rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.15;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
}

.masthead__tag {
  flex: 0 0 auto;
  margin-top: 3px;
  padding: 3px 8px;
  border: 1px solid var(--spike);
  color: #ffd2cb;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lede {
  margin: 0;
  max-width: 38rem;
  color: rgba(244, 247, 251, 0.78);
  font-size: clamp(0.92rem, 0.88rem + 0.2vw, 1rem);
  overflow-wrap: anywhere;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 14px 0 0;
}

.meta > div {
  min-width: 0;
}

.meta dt {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--spike);
  font-weight: 700;
}

.meta dd {
  margin: 2px 0 0;
  font-weight: 600;
  color: #f4f7fb;
  overflow-wrap: anywhere;
}

.layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0 56px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 16px;
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--spike);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.toc__label {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.toc a {
  display: block;
  padding: 6px 8px;
  border-radius: 4px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.16s ease, color 0.16s ease;
}

.toc a:hover,
.toc a:focus-visible {
  background: var(--spike-soft);
  color: #9a2f22;
  outline: none;
}

.content {
  min-width: 0;
}

.block {
  margin: 0 0 16px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.block:last-of-type {
  margin-bottom: 0;
}

.block h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 1.02rem + 0.45vw, 1.28rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--court);
  overflow-wrap: anywhere;
}

.block h3 {
  margin: 16px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--chalk);
}

.block p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

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

.block ul {
  margin: 0 0 10px;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.block li {
  margin: 0.35rem 0;
  overflow-wrap: anywhere;
}

.block li::marker {
  color: var(--spike);
}

.callout {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--chalk);
  background: var(--chalk-soft);
}

.callout p {
  margin: 0;
  color: #1a5d64;
  font-weight: 500;
}

.defs {
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}

.defs > div {
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid rgba(201, 211, 223, 0.9);
}

.defs dt {
  margin: 0 0 3px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink);
}

.defs dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.chips {
  list-style: none;
  padding: 0 !important;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chips li {
  margin: 0 !important;
  padding: 5px 10px;
  background: var(--spike-soft);
  color: #9a2f22;
  font-weight: 600;
  font-size: 0.86rem;
  border: 1px solid rgba(232, 93, 76, 0.25);
}

.block--contact {
  background: var(--court);
  border-color: transparent;
  color: #f4f7fb;
}

.block--contact h2,
.block--contact p {
  color: #f4f7fb;
}

.block--contact p {
  opacity: 0.9;
}

.contact-link {
  margin-top: 8px !important;
}

.contact-link a {
  display: block;
  width: fit-content;
  max-width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--spike);
  color: #ffd2cb;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: clamp(0.82rem, 0.74rem + 0.4vw, 0.98rem);
  line-height: 1.35;
  text-decoration: none;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  transition: background 0.16s ease;
}

.contact-link a:hover,
.contact-link a:focus-visible {
  background: rgba(232, 93, 76, 0.16);
  outline: none;
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-footer__brand {
  margin: 0;
  min-width: 0;
  flex: 1 1 10rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.back-top {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--court);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.88rem;
  text-decoration: none;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.back-top:hover,
.back-top:focus-visible {
  background: var(--spike-soft);
  border-color: rgba(232, 93, 76, 0.4);
  outline: none;
}

a:focus-visible {
  outline: 2px solid var(--spike);
  outline-offset: 2px;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 20px 0 40px;
  }

  .toc {
    position: static;
    padding: 12px;
  }

  .toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px 6px;
  }

  .block {
    padding: 16px 14px 14px;
  }

  .masthead__inner {
    padding: 16px 0 14px 8px;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 24px, var(--shell));
  }

  .toc ol {
    grid-template-columns: 1fr;
  }

  body {
    font-size: 15.5px;
  }
}

@media (max-width: 360px) {
  .shell {
    width: min(100% - 16px, var(--shell));
  }

  .masthead__title {
    flex-wrap: wrap;
  }

  .masthead h1 {
    font-size: 1.18rem;
  }

  .brand {
    font-size: 0.74rem;
    letter-spacing: 0.1em;
  }

  .block {
    padding: 14px 12px 12px;
  }

  .contact-link a {
    width: 100%;
    text-align: center;
    padding: 8px 10px;
  }
}