.sg-resource-page {
  scroll-padding-top: calc(var(--navh, 72px) + 1rem);
}

.sg-resource-page h1 {
  max-width: 10ch;
  color: #fff;
  font-size: clamp(3rem, 6vw, 5.4rem);
  line-height: 0.94;
}

.sg-resource-page .navlink[aria-current="page"] {
  color: var(--sg-gate);
}

.sg-resource-page .sg-nav-cta {
  white-space: nowrap;
}

.sg-resource-hero {
  overflow: hidden;
  color: var(--sg-light);
  background: var(--sg-void);
}

.sg-resource-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  min-height: 38rem;
  max-width: 1380px;
  padding-right: 0;
}

.sg-resource-hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: clamp(4rem, 8vw, 6.5rem) clamp(2rem, 5vw, 4.5rem) clamp(4rem, 8vw, 6.5rem) 0;
}

.sg-resource-hero-copy::after {
  content: "";
  position: absolute;
  inset: 0 -8rem 0 auto;
  z-index: -1;
  width: 13rem;
  background: linear-gradient(90deg, var(--sg-void) 24%, transparent);
  pointer-events: none;
}

.sg-breadcrumb {
  width: fit-content;
  color: var(--sg-light);
  font-weight: 700;
}

.sg-resource-lede {
  max-width: 43rem;
  color: rgba(214, 225, 223, 0.9);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.6;
}

.sg-resource-promise {
  max-width: 39rem;
  border-left: 3px solid var(--sg-brass);
  color: #f0e4c5;
  padding-left: 0.85rem;
  font-weight: 700;
}

.sg-resource-start-actions,
.sg-download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.sg-resource-start-actions .btn-secondary,
.sg-resource-return .btn-secondary {
  border-color: rgba(214, 225, 223, 0.45);
  background: transparent;
  color: var(--sg-light);
}

.sg-resource-start-actions .btn-secondary:hover,
.sg-resource-start-actions .btn-secondary:focus-visible,
.sg-resource-return .btn-secondary:hover,
.sg-resource-return .btn-secondary:focus-visible {
  border-color: var(--sg-gate);
  background: rgba(159, 232, 242, 0.08);
}

.sg-resource-hero-media {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-width: 0;
  margin: 0;
  background: var(--sg-steel);
}

.sg-resource-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 17, 19, 0.32), transparent 30%);
  pointer-events: none;
}

.sg-resource-hero-media picture {
  min-height: 0;
}

.sg-resource-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
}

.sg-resource-hero-media figcaption {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--sg-line-dark);
  background: var(--sg-void);
  color: rgba(214, 225, 223, 0.76);
  padding: 0.75rem 1rem;
  font-size: max(0.86rem, 16px);
}

.sg-resource-reassurance {
  border-block: 1px solid var(--sg-line-dark);
  color: var(--sg-light);
  background: var(--sg-graphite);
}

.sg-resource-reassurance ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.sg-resource-reassurance li {
  position: relative;
  min-width: 0;
  border-right: 1px solid var(--sg-line-dark);
  padding: 1.15rem 1rem 1.15rem 2.5rem;
  font-weight: 700;
}

.sg-resource-reassurance li:first-child {
  border-left: 1px solid var(--sg-line-dark);
}

.sg-resource-reassurance li::before {
  content: "";
  position: absolute;
  top: 1.35rem;
  left: 1rem;
  width: 0.75rem;
  height: 0.4rem;
  border-bottom: 2px solid var(--sg-gate);
  border-left: 2px solid var(--sg-gate);
  transform: rotate(-45deg);
}

.sg-resource-field {
  background: var(--sg-paper);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.sg-resource-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.sg-resource-index > div {
  position: sticky;
  top: calc(var(--navh, 72px) + 1.5rem);
}

.sg-resource-index h2 {
  margin: 1rem 0 1.25rem;
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
}

.sg-resource-index ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--sg-line-light);
  list-style: none;
  counter-reset: resource-item;
}

.sg-resource-index li {
  counter-increment: resource-item;
  border-bottom: 1px solid var(--sg-line-light);
}

.sg-resource-index a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  min-height: 3.2rem;
  color: var(--sg-ink);
  font-family: var(--mono);
  font-size: max(0.88rem, 16px);
  font-weight: 700;
  text-decoration: none;
}

.sg-resource-index a::before {
  content: counter(resource-item, decimal-leading-zero);
  color: var(--sg-gate-deep);
  font-size: 0.78rem;
}

.sg-resource-index a:hover,
.sg-resource-index a:focus-visible {
  color: var(--sg-gate-deep);
}

.sg-index-note {
  margin-top: 1.25rem;
  color: var(--sg-ink-muted);
  font-size: max(0.88rem, 16px);
  line-height: 1.55;
}

.sg-resource-article {
  min-width: 0;
}

.sg-rule-section {
  scroll-margin-top: calc(var(--navh, 72px) + 1.5rem);
  border-top: 1px solid var(--sg-line-light);
  padding: 0 0 clamp(4.5rem, 7vw, 6rem);
}

.sg-rule-section + .sg-rule-section {
  padding-top: clamp(4rem, 7vw, 6rem);
}

.sg-chapter-label {
  margin: 0 0 0.8rem;
  color: var(--sg-gate-deep);
  font-family: var(--mono);
  font-size: max(0.86rem, 16px);
  font-weight: 700;
}

.sg-rule-section h2 {
  max-width: 17ch;
  margin-bottom: 1.2rem;
}

.sg-rule-section > p,
.sg-detail-body p,
.sg-detail-body li,
.sg-sheet-zones span,
.sg-play-loop span {
  color: var(--sg-ink-muted);
}

.sg-section-intro {
  max-width: 62ch;
  color: var(--sg-ink) !important;
  font-size: clamp(1.06rem, 1.5vw, 1.2rem);
  line-height: 1.62;
}

.sg-play-loop {
  display: grid;
  gap: 0;
  margin: 2.2rem 0;
  padding: 0;
  border-top: 1px solid var(--sg-line-light);
  list-style: none;
  counter-reset: play-step;
}

.sg-play-loop li {
  display: grid;
  grid-template-columns: 2.6rem minmax(8rem, 0.42fr) minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  border-bottom: 1px solid var(--sg-line-light);
  padding: 1rem 0;
  counter-increment: play-step;
}

.sg-play-loop li::before {
  content: counter(play-step, decimal-leading-zero);
  color: var(--sg-signal-deep);
  font-family: var(--mono);
  font-weight: 700;
}

.sg-play-loop strong,
.sg-sheet-zones strong {
  font-family: var(--mono);
}

.sg-field-note {
  margin-top: 2rem;
  border-left: 4px solid var(--sg-brass);
  background: var(--sg-stone);
  padding: 1.25rem 1.35rem;
}

.sg-field-note h3 {
  margin: 0 0 0.65rem;
}

.sg-field-note p:last-child {
  margin-bottom: 0;
}

.sg-table-scroll {
  margin: 2rem 0 1.5rem;
  outline-offset: 4px;
}

.sg-transition-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--sg-ink);
  font-size: max(0.88rem, 16px);
}

.sg-transition-table caption {
  color: var(--sg-ink);
  padding-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
}

.sg-transition-table th,
.sg-transition-table td {
  border-top: 1px solid var(--sg-line-light);
  padding: 0.9rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.sg-transition-table thead th {
  background: var(--sg-graphite);
  color: var(--sg-light);
  font-family: var(--mono);
}

.sg-transition-table tbody th {
  width: 18%;
  color: var(--sg-gate-deep);
  font-family: var(--mono);
}

.sg-transition-table tbody tr:nth-child(even) {
  background: rgba(231, 224, 211, 0.48);
}

.sg-rule-detail {
  border-color: var(--sg-line-light);
}

.sg-rule-detail summary {
  min-height: 3.5rem;
}

.sg-detail-body {
  padding: 0 3.2rem 1.25rem 0;
}

.sg-detail-body > :last-child {
  margin-bottom: 0;
}

.sg-detail-body ul,
.sg-detail-body ol {
  padding-left: 1.25rem;
}

.sg-sheet-zones {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 2rem 0;
  padding: 0;
  border-top: 1px solid var(--sg-line-light);
  list-style: none;
  counter-reset: sheet-zone;
}

.sg-sheet-zones li {
  display: grid;
  align-content: start;
  gap: 0.5rem;
  min-height: 10rem;
  border-bottom: 1px solid var(--sg-line-light);
  padding: 1.2rem 1.5rem 1.2rem 0;
  counter-increment: sheet-zone;
}

.sg-sheet-zones li:nth-child(even) {
  border-left: 1px solid var(--sg-line-light);
  padding-left: 1.5rem;
}

.sg-sheet-zones li::before {
  content: "0" counter(sheet-zone);
  color: var(--sg-signal-deep);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.sg-emphasis-line {
  border-left: 3px solid var(--sg-gate-deep);
  color: var(--sg-ink) !important;
  padding-left: 1rem;
  font-weight: 700;
}

.sg-download-actions {
  margin: 1.5rem 0;
}

.sg-download-actions .btn-secondary {
  border-color: var(--sg-line-light);
  background: transparent;
  color: var(--sg-ink);
}

.sg-glossary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
}

.sg-glossary > div {
  border-top: 1px solid var(--sg-line-light);
  padding: 0.8rem 1rem 0.8rem 0;
}

.sg-glossary > div:nth-child(even) {
  border-left: 1px solid var(--sg-line-light);
  padding-left: 1rem;
}

.sg-glossary dt {
  color: var(--sg-gate-deep);
  font-family: var(--mono);
  font-weight: 700;
}

.sg-glossary dd {
  margin: 0.25rem 0 0;
  color: var(--sg-ink-muted);
}

.sg-resource-return {
  color: var(--sg-light);
  background: var(--sg-graphite);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.sg-resource-return-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.55fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.sg-resource-return h2 {
  max-width: 15ch;
  color: #fff;
  margin: 1rem 0;
}

.sg-resource-return .sg-lede {
  color: rgba(214, 225, 223, 0.82);
}

.sg-resource-return p:not(.sg-eyebrow):not(.sg-status-badge):not(.sg-lede) {
  max-width: 58ch;
  color: rgba(214, 225, 223, 0.8);
}

.sg-return-actions {
  display: grid;
  gap: 0.75rem;
}

.sg-return-actions a:not(.btn) {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--sg-line-dark);
  color: var(--sg-gate);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .sg-resource-page .sg-nav-links .navlink[href="#deeper-rules"] {
    display: none;
  }

  .sg-resource-hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .sg-resource-layout {
    grid-template-columns: 1fr;
  }

  .sg-resource-index > div {
    position: static;
    max-width: 60rem;
  }

  .sg-resource-index ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sg-resource-index li:nth-child(odd) {
    border-right: 1px solid var(--sg-line-light);
  }

  .sg-resource-index a {
    padding-right: 1rem;
  }
}

@media (max-width: 900px) {
  .sg-resource-page .sg-nav-links .navlink:not(:first-child) {
    display: none;
  }

  .sg-resource-hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-right: var(--pad);
  }

  .sg-resource-hero-copy {
    padding: 4.5rem 0 3rem;
  }

  .sg-resource-hero-copy::after,
  .sg-resource-hero-media::after {
    display: none;
  }

  .sg-resource-hero-media {
    margin: 0 0 2rem;
    border: 1px solid var(--sg-line-dark);
  }

  .sg-resource-hero-media picture {
    aspect-ratio: 3 / 2;
  }

  .sg-resource-reassurance ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sg-resource-reassurance li:nth-child(odd) {
    border-left: 1px solid var(--sg-line-dark);
  }

  .sg-resource-return-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .sg-resource-page h1 {
    font-size: clamp(3rem, 14vw, 4.25rem);
  }

  .sg-resource-page .sg-nav-cta {
    max-width: none;
  }

  .sg-resource-start-actions,
  .sg-download-actions {
    display: grid;
  }

  .sg-resource-start-actions .btn,
  .sg-download-actions .btn {
    width: 100%;
  }

  .sg-resource-field {
    padding-top: 3.75rem;
  }

  .sg-resource-index ol {
    grid-template-columns: 1fr;
  }

  .sg-resource-index li:nth-child(odd) {
    border-right: 0;
  }

  .sg-play-loop li {
    grid-template-columns: 2.2rem 1fr;
  }

  .sg-play-loop span {
    grid-column: 2;
  }

  .sg-transition-table,
  .sg-transition-table tbody,
  .sg-transition-table tr,
  .sg-transition-table th,
  .sg-transition-table td {
    display: block;
    width: 100%;
  }

  .sg-transition-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .sg-transition-table caption {
    display: block;
    width: 100%;
  }

  .sg-transition-table tbody tr {
    border-top: 1px solid var(--sg-line-light);
    padding: 1rem 0;
  }

  .sg-transition-table th,
  .sg-transition-table td {
    border: 0;
    padding: 0.3rem 0;
  }

  .sg-transition-table tbody th {
    color: var(--sg-gate-deep);
    font-size: 1.05rem;
  }

  .sg-transition-table td:first-of-type::before,
  .sg-transition-table td:last-of-type::before {
    display: block;
    margin-bottom: 0.15rem;
    color: var(--sg-ink);
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 700;
  }

  .sg-transition-table td:first-of-type::before {
    content: "What changes";
  }

  .sg-transition-table td:last-of-type::before {
    content: "What you do";
  }

  .sg-sheet-zones,
  .sg-glossary {
    grid-template-columns: 1fr;
  }

  .sg-sheet-zones li {
    min-height: 0;
  }

  .sg-sheet-zones li:nth-child(even),
  .sg-glossary > div:nth-child(even) {
    border-left: 0;
    padding-left: 0;
  }

  .sg-detail-body {
    padding-right: 0;
  }
}

@media (max-width: 430px) {
  .sg-resource-reassurance ul {
    grid-template-columns: 1fr;
  }

  .sg-resource-reassurance li,
  .sg-resource-reassurance li:nth-child(odd) {
    border-left: 1px solid var(--sg-line-dark);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sg-resource-page {
    scroll-behavior: auto;
  }
}