.resources-refined-page {
  background: var(--surface-base);
}

.resources-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--surface-brand-dark);
}

.resources-hero::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 42%, rgba(30, 99, 255, 0.2), transparent 32%),
    linear-gradient(118deg, rgba(30, 99, 255, 0.13), transparent 52%),
    url("../images/power-grid-texture.webp") center / cover no-repeat;
  content: "";
  opacity: 0.52;
}

.resources-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 410px;
  align-items: center;
  padding-block: 58px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  gap: 74px;
}

.resources-hero .eyebrow,
.resources-contact-section .eyebrow {
  color: var(--brand-gold-light);
}

.resources-hero h1 {
  max-width: 720px;
  margin: 14px 0 17px;
  color: #fff;
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.resources-hero-copy > p:not(.eyebrow) {
  max-width: 690px;
  margin: 0;
  color: var(--text-inverse-soft);
  font-size: 14px;
  line-height: 1.9;
}

.resources-hero .hero-actions {
  margin-top: 27px;
}

.resources-hero .button-primary {
  color: var(--brand-klein-deep);
  background: #fff;
}

.resources-hero .button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.42);
}

.resources-hero-note {
  padding: 8px 0 8px 36px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.resources-hero-note > small {
  color: var(--brand-gold-light);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.resources-hero-note > strong {
  display: block;
  max-width: 360px;
  margin-top: 12px;
  font-size: 21px;
  line-height: 1.55;
}

.resources-hero-note ul {
  padding: 0;
  margin: 25px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  list-style: none;
}

.resources-hero-note li {
  display: grid;
  min-height: 48px;
  align-items: center;
  color: var(--text-inverse-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  grid-template-columns: 38px 1fr;
  font-size: 12px;
}

.resources-hero-note li span {
  color: var(--brand-gold-light);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}

.technical-library-section,
.resource-index-section,
.resource-guidance {
  padding-block: 88px;
}

.technical-library-section {
  background: var(--surface-soft);
}

.resources-heading {
  display: grid;
  align-items: end;
  margin-bottom: 40px;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: 65px;
}

.resources-heading h2 {
  margin: 8px 0 0;
  color: var(--text-primary);
  font-size: clamp(28px, 2.8vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.resources-heading > p {
  max-width: 690px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.85;
}

.resource-library-shell {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-default);
}

.resource-library-tabs {
  display: grid;
  background: var(--surface-brand-dark);
  grid-template-columns: 1fr 1fr;
}

.resource-library-tabs button {
  display: grid;
  min-height: 96px;
  align-content: center;
  padding: 20px 28px;
  color: var(--text-inverse-soft);
  text-align: left;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  grid-template-columns: 42px 1fr;
  gap: 2px 12px;
  cursor: pointer;
}

.resource-library-tabs button:last-child {
  border-right: 0;
}

.resource-library-tabs button.active {
  color: #fff;
  background: var(--brand-klein);
}

.resource-library-tabs button > span {
  grid-row: 1 / 3;
  color: var(--brand-blue-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.resource-library-tabs strong,
.resource-library-tabs small {
  display: block;
}

.resource-library-tabs strong {
  font-size: 15px;
}

.resource-library-tabs small {
  margin-top: 4px;
  color: inherit;
  font-size: 12px;
  opacity: 0.72;
}

.resource-library-panel {
  padding: 34px;
}

.resource-library-panel[hidden] {
  display: none;
}

.technical-article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.technical-article-card {
  display: grid;
  min-height: 210px;
  padding: 24px;
  color: var(--text-primary);
  background: var(--surface-soft);
  border: 1px solid transparent;
  grid-template-rows: auto 1fr auto;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.technical-article-card:hover {
  background: #fff;
  border-color: var(--brand-gold);
  transform: translateY(-2px);
}

.technical-article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.technical-article-meta span,
.technical-article-meta time {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

.technical-article-meta span {
  color: var(--brand-klein);
  font-weight: 600;
}

.technical-article-meta time {
  color: var(--text-muted);
}

.technical-article-card h3 {
  margin: 29px 0 9px;
  font-size: 18px;
  line-height: 1.55;
}

.technical-article-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.75;
}

.technical-article-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 17px;
  margin-top: 18px;
  color: var(--brand-klein);
  border-top: 1px solid var(--border-default);
  font-size: 12px;
  font-weight: 700;
}

.technical-article-link i {
  font-size: 18px;
}

.resource-load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

.resource-load-more {
  display: flex;
  min-width: 250px;
  align-items: center;
  justify-content: center;
  padding: 14px 19px;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  background: #fff;
  gap: 10px;
  text-align: center;
  cursor: pointer;
}

.resource-load-more span {
  font-size: 13px;
  font-weight: 700;
}

.resource-load-more i {
  color: var(--brand-klein);
}

.resource-load-more[hidden] {
  display: none;
}

.resource-load-more:hover {
  border-color: var(--brand-klein);
}

.standards-intro {
  display: grid;
  align-items: start;
  padding: 18px 20px;
  margin-bottom: 18px;
  color: var(--text-secondary);
  background: var(--surface-gold-soft);
  border-left: 4px solid var(--brand-gold);
  grid-template-columns: 28px 1fr;
  gap: 11px;
}

.standards-intro > span {
  color: var(--brand-gold-deep);
  font-size: 22px;
}

.standards-intro p {
  margin: 0;
  font-size: 11px;
  line-height: 1.75;
}

.technical-standard-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.technical-standard-card {
  display: grid;
  min-height: 154px;
  align-content: start;
  padding: 22px;
  color: var(--text-primary);
  text-align: left;
  border: 1px solid var(--border-default);
  background: #fff;
  grid-template-columns: 1fr 22px;
  gap: 0 18px;
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease;
}

.technical-standard-card:hover {
  border-color: var(--brand-gold);
  transform: translateY(-2px);
}

.technical-standard-card small,
.technical-standard-card time {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
}

.technical-standard-card small {
  color: var(--brand-gold-deep);
  font-weight: 600;
}

.technical-standard-card time {
  justify-self: end;
  color: var(--text-muted);
}

.technical-standard-card strong {
  display: block;
  margin: 22px 0 7px;
  grid-column: 1;
  font-size: 16px;
  line-height: 1.55;
}

.technical-standard-card p {
  margin: 0;
  color: var(--text-secondary);
  grid-column: 1;
  font-size: 12px;
  line-height: 1.65;
}

.technical-standard-card > i {
  align-self: end;
  color: var(--brand-klein);
  grid-column: 2;
  grid-row: 2 / 4;
  font-size: 19px;
}

.resource-index-section {
  background: #fff;
}

.resource-index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.resource-index-grid > a,
.resource-index-grid > button {
  display: grid;
  min-height: 132px;
  align-items: center;
  padding: 21px 23px;
  color: var(--text-primary);
  text-align: left;
  background: var(--surface-soft);
  border: 1px solid transparent;
  grid-template-columns: 50px 1fr 24px;
  gap: 15px;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.resource-index-grid > a:hover,
.resource-index-grid > button:hover {
  background: #fff;
  border-color: var(--brand-gold);
  transform: translateY(-2px);
}

.resource-index-grid > a > span,
.resource-index-grid > button > span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  background: var(--brand-klein);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}

.resource-index-grid strong {
  display: block;
  font-size: 14px;
}

.resource-index-grid p {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.65;
}

.resource-index-grid i {
  color: var(--brand-klein);
  font-size: 19px;
}

.resource-guidance {
  background: var(--surface-soft);
}

.resource-guidance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
}

.resource-guidance-grid article {
  min-height: 230px;
  padding: 27px;
  background: #fff;
  border-top: 3px solid var(--brand-blue-soft);
}

.resource-guidance-grid article > span {
  color: var(--brand-klein);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.resource-guidance-grid h3 {
  margin: 47px 0 10px;
  font-size: 18px;
}

.resource-guidance-grid p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.8;
}

.resources-contact-section {
  padding-block: 70px;
}

.resources-contact-panel {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 65px;
}

.resources-contact-panel h2 {
  margin: 7px 0 10px;
  color: #fff;
  font-size: clamp(28px, 2.8vw, 38px);
}

.resources-contact-panel p:not(.eyebrow) {
  max-width: 720px;
  margin: 0;
  color: var(--text-inverse-soft);
  font-size: 13px;
  line-height: 1.8;
}

.resource-contact-dialog {
  width: min(520px, calc(100% - 32px));
  padding: 38px;
  color: var(--text-primary);
  background: #fff;
  border: 0;
  border-top: 4px solid var(--brand-gold);
  box-shadow: 0 28px 80px rgba(0, 29, 102, 0.28);
}

.resource-contact-dialog::backdrop {
  background: rgba(3, 15, 43, 0.72);
  backdrop-filter: blur(4px);
}

.resource-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--text-secondary);
  background: var(--surface-soft);
  border: 0;
  cursor: pointer;
}

.resource-contact-dialog > small {
  color: var(--brand-gold-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.resource-dialog-icon {
  display: block;
  margin-top: 28px;
  color: var(--brand-klein);
  font-size: 42px;
}

.resource-contact-dialog h2 {
  margin: 16px 0 15px;
  font-size: 28px;
}

.resource-contact-dialog p {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.75;
}

.resource-contact-dialog p strong {
  color: var(--text-primary);
}

.resource-contact-dialog .button {
  display: flex;
  width: 100%;
  margin-top: 24px;
  gap: 7px;
}

.resource-dialog-secondary {
  width: 100%;
  padding: 13px;
  margin-top: 8px;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
}

/* Article detail page */
.resource-article-page {
  background: var(--surface-soft);
}

.resource-article-hero {
  color: #fff;
  background: var(--surface-brand-dark);
}

.resource-article-hero .container {
  padding-block: 42px 54px;
}

.resource-article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-inverse-muted);
  font-size: 11px;
}

.resource-article-breadcrumb a:hover {
  color: var(--brand-gold-light);
}

.resource-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 48px;
  color: var(--brand-gold-light);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.resource-article-hero h1 {
  max-width: 900px;
  margin: 15px 0 15px;
  color: #fff;
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.resource-article-hero p {
  max-width: 800px;
  margin: 0;
  color: var(--text-inverse-soft);
  font-size: 14px;
  line-height: 1.85;
}

.resource-article-section {
  padding-block: 75px;
}

.resource-article-layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1fr) 285px;
  gap: 25px;
}

.resource-article-content {
  padding: 42px 48px;
  background: #fff;
  border: 1px solid var(--border-default);
}

.resource-article-content > p:first-child {
  padding-bottom: 28px;
  margin: 0 0 30px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-default);
  font-size: 16px;
  line-height: 1.9;
}

.resource-article-content section + section {
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid var(--border-default);
}

.resource-article-content h2 {
  margin: 0 0 15px;
  font-size: 24px;
}

.resource-article-content p,
.resource-article-content li {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.9;
}

.resource-article-content ul {
  padding-left: 20px;
}

.resource-article-aside {
  position: sticky;
  top: 95px;
  padding: 25px;
  color: #fff;
  background: var(--surface-brand-dark);
}

.resource-article-aside small {
  color: var(--brand-gold-light);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}

.resource-article-aside h2 {
  margin: 9px 0 12px;
  color: #fff;
  font-size: 21px;
}

.resource-article-aside p {
  margin: 0;
  color: var(--text-inverse-soft);
  font-size: 11px;
  line-height: 1.75;
}

.resource-article-aside .button {
  width: 100%;
  margin-top: 21px;
  color: var(--brand-klein-deep);
  background: #fff;
}

.related-article-links {
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.related-article-links a {
  display: block;
  padding: 13px 0;
  color: var(--text-inverse-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
  line-height: 1.55;
}

.related-article-links a:hover {
  color: #fff;
}

@media (max-width: 900px) {
  .resources-hero-grid,
  .resources-heading,
  .resources-contact-panel,
  .resource-article-layout {
    grid-template-columns: 1fr;
  }

  .resources-hero-grid {
    min-height: 0;
    gap: 34px;
  }

  .resources-heading {
    gap: 18px;
  }

  .resources-hero-note {
    max-width: 560px;
  }

  .resource-article-aside {
    position: static;
  }
}

@media (max-width: 720px) {
  .technical-article-list,
  .technical-standard-list,
  .resource-index-grid,
  .resource-guidance-grid {
    grid-template-columns: 1fr;
  }

  .technical-library-section,
  .resource-index-section,
  .resource-guidance {
    padding-block: 68px;
  }

  .resource-library-panel {
    padding: 20px;
  }

  .resources-contact-panel {
    gap: 28px;
  }
}

@media (max-width: 560px) {
  .resources-hero-grid {
    padding-block: 48px;
  }

  .resources-hero h1,
  .resource-article-hero h1 {
    font-size: 30px;
  }

  .resource-library-tabs {
    grid-template-columns: 1fr;
  }

  .resource-library-tabs button {
    min-height: 82px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .resource-library-tabs button:last-child {
    border-bottom: 0;
  }

  .technical-article-card {
    min-height: 185px;
  }

  .resource-contact-dialog {
    padding: 31px 23px 25px;
  }

  .resource-article-content {
    padding: 29px 22px;
  }
}