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

.rules-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: clamp(20px, 2.2vw, 28px);
}
.rules-hero-actions .btn {
  min-height: 60px;
  padding: 0 28px 0 22px;
  font-size: 19px;
  font-weight: 700;
}

/* ---------- Layout ---------- */

.rules-section {
  position: relative;
  z-index: 1;
  margin-top: -88px;
  padding-top: 0;
}
.rules-layout {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  align-items: start;
  gap: clamp(28px, 3.4vw, 48px);
  max-width: 1100px;
  margin-inline: auto;
}

/* ---------- Index ---------- */

.rules-index {
  position: sticky;
  top: calc(var(--nav-top) + var(--nav-h) + 24px);
  max-height: calc(100vh - var(--nav-top) - var(--nav-h) - 56px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 22px 14px 14px;
  background: var(--cloud);
  border: 2px solid var(--navy);
  border-radius: 22px;
  box-shadow: var(--edge-card);
}
.rules-index-head {
  display: grid;
  gap: 6px;
  padding: 0 8px 14px;
  border-bottom: 2px solid var(--line);
}
.rules-index-title {
  font-family: "Bricolage Grotesque", var(--font-display);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.rules-index-count {
  font: 700 12.5px/1 var(--font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}
.rules-index-toggle { display: none; }
.rules-index-toggle svg {
  flex: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s var(--ease-soft);
}
.rules-index-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.rules-index-list {
  display: grid;
  gap: 2px;
  margin-top: 10px;
}
.rules-index-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  border-radius: 12px;
  font: 600 14.5px/1.28 var(--font-display);
  color: var(--navy);
  transition: background-color 0.2s ease, color 0.2s ease;
}
.rules-index-list a:hover { background: var(--frost); }
.rules-index-list a.is-active {
  background: var(--aqua-soft);
  color: var(--blue);
}
.rules-index-list .n {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 26px;
  background: var(--cloud);
  border: 2px solid var(--navy);
  border-radius: 9px;
  font: 700 12.5px/1 var(--font-display);
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}
.rules-index-list a.is-active .n { background: var(--aqua); }

/* ---------- Rules ---------- */

.rules-list {
  display: grid;
  gap: clamp(20px, 2.2vw, 28px);
  min-width: 0;
}
.rule {
  padding: clamp(22px, 2.6vw, 32px) clamp(20px, 2.8vw, 36px) clamp(24px, 2.8vw, 34px);
  background: var(--cloud);
  border: 2px solid var(--navy);
  border-radius: 24px;
  box-shadow: var(--edge-card);
}
.rule-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--line);
}
.rule-num {
  flex: none;
  display: grid;
  place-items: center;
  min-width: 46px;
  height: 40px;
  padding: 0 9px;
  background: var(--aqua);
  border: 2px solid var(--navy);
  border-radius: 12px;
  box-shadow: 0 3px 0 var(--navy);
  font: 700 18px/1 var(--font-display);
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}
.rule-title {
  min-width: 0;
  font-family: "Bricolage Grotesque", var(--font-display);
  font-size: clamp(23px, 2.1vw, 29px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.rule-points {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.rule-points li {
  position: relative;
  padding-left: 30px;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.rule-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(0.85em - 7px);
  width: 20px;
  height: 14px;
  background: url("../assets/img/cloud-bullet.svg") center / contain no-repeat;
}
.rule-points ul {
  display: grid;
  gap: 7px;
  margin-top: 8px;
}
.rule-points li li {
  padding-left: 24px;
  font-size: 16px;
}
.rule-points li li::before {
  left: 5px;
  top: calc(0.85em - 4.5px);
  width: 9px;
  height: 9px;
  border: 2px solid var(--navy);
  border-radius: 50%;
  background: var(--aqua);
}
.rule-points li li li::before { background: var(--cloud); }
.rule-points .rule-allowed li { padding-left: 28px; }
.rule-points .rule-allowed li::before {
  left: 0;
  top: calc(0.85em - 9px);
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='8.6' fill='%2310F0FC' stroke='%23001635' stroke-width='2'/%3E%3Cpath d='M6.1 10.3l2.6 2.6 5.2-5.4' fill='none' stroke='%23001635' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
.nobr { white-space: nowrap; }
.rule strong { color: var(--navy); }
.rule a {
  font-weight: 600;
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.rule a:hover { color: var(--navy); }
.rule code {
  white-space: normal;
  overflow-wrap: anywhere;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ---------- Report ---------- */

.rules-report {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px 28px;
  margin-top: clamp(6px, 1vw, 12px);
  padding: clamp(22px, 2.6vw, 30px) clamp(20px, 2.8vw, 34px);
  background: var(--aqua-soft);
  border: 2px solid var(--navy);
  border-radius: 24px;
}
.rules-report h3 {
  font-family: "Bricolage Grotesque", var(--font-display);
  font-size: clamp(22px, 2vw, 27px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.rules-report p {
  max-width: 34em;
  margin-top: 8px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- Responsive ---------- */

/* short laptops: the whole list should still fit beside the rules */
@media (min-width: 1100px) and (max-height: 820px) {
  .rules-index { padding-top: 18px; }
  .rules-index-head {
    gap: 4px;
    padding-bottom: 10px;
  }
  .rules-index-count { display: none; }
  .rules-index-list { margin-top: 8px; }
  .rules-index-list a { padding-block: 3px; }
}

@media (max-width: 1099px) {
  .rules-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 820px;
  }
  .rules-index {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 18px 18px 16px;
  }
  .rules-index-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 16px;
    padding: 0;
    border-bottom: 0;
  }
  .rules-index-title,
  .rules-index-count { grid-column: 1; }
  .js .rules-index-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1 / span 2;
  }
  .rules-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 2px solid var(--line);
  }
  .js .rules-index-list:not(.is-open) { display: none; }
}

@media (max-width: 759px) {
  .rules-section { margin-top: -44px; }
  .rules-hero-actions .btn { flex: 1 1 auto; }
  .rules-index-head { grid-template-columns: minmax(0, 1fr); }
  .js .rules-index-toggle {
    grid-column: 1;
    grid-row: auto;
    justify-content: space-between;
    width: 100%;
    margin-top: 10px;
  }
  .rules-index-list { grid-template-columns: minmax(0, 1fr); }
  .rule {
    padding: 20px 18px 22px;
    border-radius: 20px;
  }
  .rule-head {
    gap: 12px;
    padding-bottom: 14px;
  }
  .rule-num {
    min-width: 40px;
    height: 36px;
    font-size: 16px;
  }
  .rule-points li {
    padding-left: 28px;
    font-size: 16px;
  }
  .rule-points li li {
    padding-left: 20px;
    font-size: 15.5px;
  }
  .rule-points li li::before { left: 3px; }
  .rules-report { grid-template-columns: minmax(0, 1fr); }
  .rules-report .btn { width: 100%; }
}