/* Public editorial pages: one primary surface, borderless supporting content. */

.guide-page {
  color: var(--color-text);
  font-weight: var(--weight-body);
}

.guide-hero {
  min-height: auto;
  padding: clamp(44px, 5vw, 64px) clamp(22px, 5vw, 68px);
  border: 0;
  border-radius: var(--radius-panel);
  box-shadow: none;
}

.guide-hero h1 {
  max-width: 900px;
  font-size: clamp(48px, 5.2vw, 68px);
  font-weight: var(--weight-hero);
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.guide-hero > .eyebrow {
  margin-bottom: 2px;
  font-size: var(--type-label);
  font-weight: var(--weight-card-title);
  letter-spacing: 0.1em;
  line-height: var(--leading-caption);
}

.guide-hero > p:not(.eyebrow):not(.guide-review-note) {
  max-width: 760px;
  font-weight: var(--weight-body);
}

.guide-review-note {
  max-width: 760px !important;
  font-weight: var(--weight-body-strong);
}

.guide-grid {
  column-gap: clamp(24px, 4vw, 52px);
  row-gap: 0;
}

.guide-grid article {
  padding: 24px 4px 28px;
  border: 0;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.guide-grid article span {
  display: block;
  width: auto;
  height: auto;
  margin-bottom: 12px;
  border-radius: 0;
  color: var(--color-brand-strong);
  background: transparent;
  font-size: 12px;
  font-weight: var(--weight-card-title);
  letter-spacing: 0.1em;
}

.guide-grid h2 {
  font-weight: var(--weight-card-title);
  letter-spacing: -0.015em;
}

.guide-grid p,
.guide-faq p {
  font-weight: var(--weight-body);
}

.guide-faq {
  gap: 0;
}

.guide-faq h2,
.guide-topic-links h2 {
  font-weight: var(--weight-page-title);
  letter-spacing: -0.025em;
}

.guide-faq details {
  padding: 20px 2px;
  border: 0;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.guide-faq details:last-child {
  border-bottom: 1px solid rgba(20, 47, 88, 0.14);
}

.guide-faq summary {
  font-weight: var(--weight-card-title);
}

.guide-topic-links {
  padding: 28px 2px 0;
  border: 0;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.guide-page .primary-button,
.guide-page .secondary-button,
.guide-page input,
.guide-page select,
.guide-page textarea {
  border-radius: var(--radius-control);
}

/* Knowledge base: search is the primary action, while static guides remain
   visible below for SEO, accessibility, and no-JavaScript fallbacks. */
.knowledge-page {
  width: min(1240px, calc(100% - 44px));
}

.knowledge-search-hero {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: clamp(44px, 7vw, 76px) clamp(22px, 6vw, 84px) clamp(34px, 5vw, 54px);
  border: 1px solid rgba(20, 47, 88, 0.1);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(circle at 12% 10%, rgba(232, 93, 42, 0.1), transparent 31%),
    radial-gradient(circle at 92% 0%, rgba(47, 102, 201, 0.1), transparent 34%),
    #fff;
  text-align: center;
}

.knowledge-search-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--color-heading);
  font-size: clamp(44px, 6vw, 64px);
  font-weight: var(--weight-hero);
  letter-spacing: -0.04em;
  line-height: 1;
}

.knowledge-search-hero > p:not(.eyebrow):not(.guide-review-note) {
  max-width: 720px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: var(--weight-body);
  line-height: 1.55;
}

.knowledge-search {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  width: min(100%, 780px);
  margin-top: 12px;
  border: 1px solid rgba(20, 47, 88, 0.18);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-light);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.knowledge-search:focus-within {
  border-color: rgba(47, 102, 201, 0.65);
  box-shadow: 0 0 0 4px rgba(47, 102, 201, 0.1), var(--shadow-light);
}

.knowledge-search input {
  width: 100%;
  min-height: 64px;
  padding: 0 104px 0 54px;
  border: 0;
  border-radius: var(--radius-card) 0 0 var(--radius-card);
  background: transparent;
  color: var(--color-text);
  font-size: 16px;
  font-weight: var(--weight-body-strong);
  outline: 0;
  box-shadow: none;
}

.knowledge-search input:focus {
  border: 0;
  box-shadow: none;
}

.knowledge-search input::placeholder {
  color: #7a8496;
  opacity: 1;
}

.knowledge-search-icon {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 21px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-heading);
  border-radius: 50%;
  pointer-events: none;
  transform: translateY(-54%);
}

.knowledge-search-icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-heading);
  transform: rotate(45deg);
  transform-origin: left center;
}

.knowledge-search-clear,
.knowledge-search-submit,
.knowledge-popular button,
.knowledge-question-list button {
  font: inherit;
}

.knowledge-search-clear {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: 104px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--color-text-muted);
  background: transparent;
  font-size: 12px;
  font-weight: var(--weight-card-title);
  cursor: pointer;
  transform: translateY(-50%);
}

.knowledge-search-clear:hover {
  color: var(--color-heading);
  background: #eef2f6;
}

.knowledge-search-submit {
  min-width: 96px;
  margin: 6px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-control);
  color: #fff;
  background: var(--color-brand-strong);
  font-size: 14px;
  font-weight: var(--weight-card-title);
  cursor: pointer;
}

.knowledge-search-submit:hover {
  background: #ae3c16;
}

.knowledge-popular {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 900px;
  margin-top: 2px;
}

.knowledge-popular > span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: var(--weight-body-strong);
}

.knowledge-popular button {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(20, 47, 88, 0.13);
  border-radius: var(--radius-pill);
  color: var(--color-heading);
  background: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: var(--weight-card-title);
  cursor: pointer;
}

.knowledge-popular button:hover {
  border-color: rgba(232, 93, 42, 0.35);
  color: var(--color-brand-strong);
  background: var(--color-brand-soft);
}

.knowledge-search-hero .guide-review-note {
  margin: 8px 0 0;
}

.knowledge-results,
.knowledge-questions,
.knowledge-categories,
.knowledge-support {
  scroll-margin-top: 92px;
  margin-top: clamp(44px, 6vw, 72px);
}

.knowledge-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.knowledge-section-heading .eyebrow {
  margin: 0 0 8px;
}

.knowledge-section-heading h2,
.knowledge-support h2 {
  max-width: 720px;
  margin: 0;
  color: var(--color-heading);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: var(--weight-page-title);
  letter-spacing: -0.03em;
  line-height: 1.06;
}

.knowledge-section-heading > p,
.knowledge-section-heading > div + p,
.knowledge-results-count {
  max-width: 390px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: var(--weight-body-strong);
  line-height: 1.5;
  text-align: right;
}

.knowledge-question-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid rgba(20, 47, 88, 0.14);
}

.knowledge-question-list button {
  position: relative;
  min-height: 70px;
  padding: 18px 48px 18px 4px;
  border: 0;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
  color: var(--color-heading);
  background: transparent;
  font-size: 16px;
  font-weight: var(--weight-card-title);
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.knowledge-question-list button:nth-child(odd) {
  margin-right: 26px;
}

.knowledge-question-list button:nth-child(even) {
  margin-left: 26px;
}

.knowledge-question-list button::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: 8px;
  color: var(--color-brand-strong);
  font-size: 20px;
  transform: translateY(-50%);
}

.knowledge-question-list button:hover {
  color: var(--color-brand-strong);
}

.knowledge-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(26px, 4vw, 48px);
}

.knowledge-category-grid article {
  display: grid;
  align-content: start;
  min-height: 230px;
  padding: 24px 2px 28px;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
}

.knowledge-category-grid article > span {
  color: var(--color-brand-strong);
  font-size: 12px;
  font-weight: var(--weight-card-title);
  letter-spacing: 0.1em;
}

.knowledge-category-grid h3 {
  margin: 14px 0 8px;
  color: var(--color-heading);
  font-size: 20px;
  font-weight: var(--weight-card-title);
  line-height: 1.2;
}

.knowledge-category-grid p {
  margin: 0 0 20px;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: var(--weight-body);
  line-height: 1.55;
}

.knowledge-category-grid a,
.knowledge-result a {
  align-self: end;
  justify-self: start;
  color: var(--color-heading);
  font-size: 13px;
  font-weight: var(--weight-card-title);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.knowledge-category-grid a:hover,
.knowledge-result a:hover {
  color: var(--color-brand-strong);
}

.knowledge-result-list {
  border-bottom: 1px solid rgba(20, 47, 88, 0.14);
}

.knowledge-result {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) minmax(0, 0.7fr) auto;
  grid-template-areas:
    "meta title link"
    "meta answer link";
  gap: 7px 28px;
  padding: 24px 2px;
  border-top: 1px solid rgba(20, 47, 88, 0.14);
}

.knowledge-result-meta {
  grid-area: meta;
  margin: 2px 0 0;
  color: var(--color-brand-strong);
  font-size: 12px;
  font-weight: var(--weight-card-title);
  letter-spacing: 0.02em;
  line-height: 1.45;
}

.knowledge-result h3 {
  grid-area: title;
  margin: 0;
  color: var(--color-heading);
  font-size: 19px;
  font-weight: var(--weight-card-title);
  line-height: 1.3;
}

.knowledge-result-answer {
  grid-area: answer;
  max-width: 720px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: var(--weight-body);
  line-height: 1.58;
}

.knowledge-result a {
  grid-area: link;
  align-self: center;
  white-space: nowrap;
}

.knowledge-result mark {
  padding: 0 2px;
  border-radius: 3px;
  color: inherit;
  background: #fff0b8;
}

.knowledge-empty {
  padding: 34px 2px;
  border-block: 1px solid rgba(20, 47, 88, 0.14);
}

.knowledge-empty strong {
  display: block;
  color: var(--color-heading);
  font-size: 20px;
  font-weight: var(--weight-card-title);
}

.knowledge-empty > p {
  max-width: 680px;
  margin: 10px 0 20px;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.55;
}

.knowledge-faq {
  margin-top: clamp(44px, 6vw, 72px);
}

.knowledge-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-panel);
  background: linear-gradient(135deg, #fff5ee, #f3f7ff);
}

.knowledge-support .eyebrow {
  margin: 0 0 8px;
}

.knowledge-support h2 {
  font-size: clamp(28px, 3.5vw, 42px);
}

.knowledge-support p:not(.eyebrow) {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.55;
}

.knowledge-support-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.knowledge-support-actions .primary-button,
.knowledge-support-actions .secondary-button {
  width: auto;
  min-height: 48px;
  padding: 0 16px;
}

@media (max-width: 720px) {
  .guide-hero {
    gap: 13px;
    min-height: auto;
    padding: 36px 18px 34px;
    border-radius: var(--radius-panel);
  }

  .guide-hero h1 {
    font-size: clamp(38px, 10.5vw, 46px);
    line-height: 1;
  }

  .guide-hero > p:not(.eyebrow):not(.guide-review-note) {
    font-size: 15px;
    line-height: 1.55;
  }

  .guide-hero .guide-review-note {
    font-size: 12px !important;
    line-height: 1.5 !important;
  }

  .guide-grid article {
    padding-block: 20px 24px;
  }

  .knowledge-page {
    width: min(100% - 24px, 100%);
  }

  .knowledge-search-hero {
    justify-items: stretch;
    gap: 12px;
    padding: 34px 18px 28px;
    text-align: left;
  }

  .knowledge-search-hero h1 {
    font-size: clamp(38px, 12vw, 48px);
  }

  .knowledge-search-hero > p:not(.eyebrow):not(.guide-review-note) {
    font-size: 15px;
  }

  .knowledge-search {
    grid-template-columns: 1fr;
    margin-top: 6px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .knowledge-search:focus-within {
    border: 0;
    box-shadow: none;
  }

  .knowledge-search input {
    min-height: 58px;
    padding-right: 66px;
    border: 1px solid rgba(20, 47, 88, 0.18);
    border-radius: var(--radius-control);
    background: #fff;
    box-shadow: var(--shadow-light);
  }

  .knowledge-search input:placeholder-shown {
    padding-right: 14px;
  }

  .knowledge-search input:focus {
    border: 1px solid rgba(47, 102, 201, 0.65);
    box-shadow: 0 0 0 4px rgba(47, 102, 201, 0.1), var(--shadow-light);
  }

  .knowledge-search-clear {
    top: 29px;
    right: 8px;
  }

  .knowledge-search-icon {
    top: 29px;
  }

  .knowledge-search-submit {
    min-height: 48px;
    margin: 10px 0 0;
  }

  .knowledge-popular {
    justify-content: flex-start;
  }

  .knowledge-search-hero .guide-review-note {
    margin-top: 5px;
    color: var(--color-text-muted) !important;
    font-size: 12px !important;
    font-weight: var(--weight-body-strong);
  }

  .knowledge-section-heading {
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
  }

  .knowledge-section-heading > p,
  .knowledge-section-heading > div + p {
    max-width: none;
    text-align: left;
  }

  .knowledge-question-list,
  .knowledge-category-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-question-list button:nth-child(n) {
    min-height: 64px;
    margin-inline: 0;
    padding-left: 2px;
  }

  .knowledge-category-grid article {
    min-height: auto;
    padding-block: 20px 24px;
  }

  .knowledge-result {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "title"
      "answer"
      "link";
    gap: 8px;
    padding-block: 22px;
  }

  .knowledge-result a {
    margin-top: 7px;
  }

  .knowledge-support {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 26px 20px;
  }

  .knowledge-support-actions {
    display: grid;
    justify-content: stretch;
  }

  .knowledge-support-actions .primary-button,
  .knowledge-support-actions .secondary-button {
    width: 100%;
  }
}

@media (min-width: 721px) and (max-width: 980px) {
  .knowledge-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .knowledge-result {
    grid-template-columns: 160px minmax(0, 1fr);
    grid-template-areas:
      "meta title"
      "meta answer"
      "meta link";
  }

  .knowledge-result a {
    margin-top: 6px;
  }

  .knowledge-support {
    grid-template-columns: 1fr;
  }

  .knowledge-support-actions {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .knowledge-search {
    transition: none;
  }
}