.tool-atlas-hero .button-gold { margin-top: 20px; background: var(--white); color: var(--ink); }
.tool-atlas-groups { padding: 68px 0 76px; background: var(--white); border-bottom: 1px solid var(--line); }
.tool-atlas-section-heading { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 760px; }
.tool-atlas-section-heading .eyebrow { margin-bottom: 12px; }
.tool-atlas-section-heading h2 { font-size: clamp(2rem, 3.7vw, 3.25rem); }
.tool-atlas-section-heading > p:not(.eyebrow) { max-width: 680px; margin-top: 14px; color: var(--ink-soft); font-family: var(--serif); font-size: 1.04rem; line-height: 1.58; }
.tool-atlas-group-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 36px; border-top: 1px solid var(--umber); border-left: 1px solid var(--line); }
.tool-atlas-group { position: relative; min-height: 156px; padding: 22px; text-align: left; background: var(--paper-2); border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--umber); border-radius: 0; color: var(--umber); cursor: pointer; }
.tool-atlas-group:hover, .tool-atlas-group[aria-pressed="true"] { background: var(--white); }
.tool-atlas-group[aria-pressed="true"] { box-shadow: inset 0 4px 0 var(--rust); }
.tool-atlas-group > span { display: block; max-width: 190px; font-family: var(--serif); font-size: 1.28rem; line-height: 1.14; }
.tool-atlas-group small { display: block; max-width: 190px; margin-top: 15px; color: var(--ink-soft); font-size: .72rem; line-height: 1.4; }
.tool-atlas-group strong { position: absolute; right: 18px; bottom: 16px; color: var(--rust); font-family: var(--mono); font-size: .72rem; }
.tool-atlas-directory { padding-top: 68px; }
.tool-atlas-directory-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, .62fr); gap: 70px; align-items: end; margin-bottom: 32px; }
.tool-atlas-directory-heading .eyebrow { margin-bottom: 10px; }
.tool-atlas-directory-heading h2 { font-size: clamp(2.1rem, 4vw, 3.5rem); }
.tool-atlas-directory-heading > p { margin: 0; color: var(--ink-soft); font-family: var(--serif); line-height: 1.58; }
.tool-atlas-controls { margin-bottom: 0; }
.tool-atlas-filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tool-atlas-result-bar { display: flex; min-height: 58px; justify-content: space-between; gap: 24px; align-items: center; border-bottom: 1px solid var(--umber); }
.tool-atlas-result-bar .brand-directory-status { margin: 0; }
.tool-atlas-active-filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; padding: 10px 0; }
.tool-atlas-filter-chip { padding: 5px 9px; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; color: var(--umber-3); cursor: pointer; font-size: .68rem; }
.tool-atlas-filter-chip::after { margin-left: 7px; content: "×"; }
.tool-atlas-list { padding: 0; margin: 0; list-style: none; counter-reset: tool-atlas; }
.tool-atlas-entry { display: grid; grid-template-columns: 52px minmax(0, 1.25fr) minmax(180px, .55fr) 130px; gap: 22px; align-items: start; padding: 25px 0; border-bottom: 1px solid var(--line); counter-increment: tool-atlas; }
.tool-atlas-entry[hidden] { display: none; }
.tool-atlas-sequence { padding-top: 4px; color: var(--ink-soft); font-family: var(--mono); font-size: .68rem; }
.tool-atlas-sequence::before { content: counter(tool-atlas, decimal-leading-zero); }
.tool-atlas-entry-id { margin: 0 0 6px; color: var(--rust); font-size: .63rem; font-weight: 850; letter-spacing: .065em; text-transform: uppercase; }
.tool-atlas-entry-copy h3 { font-size: clamp(1.35rem, 2.1vw, 1.72rem); }
.tool-atlas-entry-copy > p:last-child { margin: 8px 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: .98rem; line-height: 1.5; }
.tool-atlas-entry-context { padding-top: 3px; color: var(--ink-soft); font-size: .72rem; line-height: 1.45; }
.tool-atlas-entry-context strong, .tool-atlas-entry-context span { display: block; }
.tool-atlas-entry-context strong { margin-bottom: 5px; color: var(--umber); }
.tool-atlas-entry-links { grid-column: 4; }
.tool-atlas-entry-links summary { padding: 3px 0; border-bottom: 1px solid var(--umber); color: var(--umber); cursor: pointer; font-size: .74rem; font-weight: 800; list-style-position: inside; }
.tool-atlas-entry-links[open] { grid-column: 2 / -1; padding: 16px 18px; background: var(--white); border: 1px solid var(--line); }
.tool-atlas-entry-links[open] summary { width: fit-content; margin-bottom: 12px; }
.tool-atlas-entry-links p { margin: 0 0 10px; color: var(--ink-soft); font-size: .8rem; }
.tool-atlas-entry-links nav { display: flex; flex-wrap: wrap; gap: 16px; }
.tool-atlas-entry-links a { color: var(--rust); font-size: .76rem; font-weight: 800; }
.tool-atlas-more { width: 100%; margin-top: 24px; }
.tool-atlas-research { padding: 72px 0 88px; background: var(--white); border-top: 1px solid var(--line); }
.tool-atlas-research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 34px; border-top: 1px solid var(--umber); border-left: 1px solid var(--line); }
.tool-atlas-research-grid article { min-height: 220px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--umber); }
.tool-atlas-research-grid h3 { font-size: 1.5rem; }
.tool-atlas-research-grid p { margin-top: 14px; color: var(--ink-soft); font-family: var(--serif); line-height: 1.55; }
.tool-atlas-research-grid a { display: inline-block; margin-top: 24px; color: var(--rust); font-size: .78rem; font-weight: 800; text-decoration: none; }

@media (max-width: 1080px) {
  .tool-atlas-group-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-atlas-entry { grid-template-columns: 42px minmax(0, 1fr) 130px; }
  .tool-atlas-entry-context { grid-column: 2; }
  .tool-atlas-entry-links { grid-column: 3; grid-row: 1; }
  .tool-atlas-entry-links[open] { grid-column: 2 / -1; grid-row: auto; }
}

@media (max-width: 760px) {
  .tool-atlas-groups, .tool-atlas-directory, .tool-atlas-research { padding-block: 44px 58px; }
  .tool-atlas-group-grid, .tool-atlas-research-grid { grid-template-columns: 1fr; }
  .tool-atlas-group { min-height: 116px; }
  .tool-atlas-directory-heading { grid-template-columns: 1fr; gap: 18px; }
  .tool-atlas-filter-grid { grid-template-columns: 1fr; }
  .tool-atlas-result-bar { align-items: flex-start; flex-direction: column; gap: 4px; padding: 16px 0; }
  .tool-atlas-active-filters { justify-content: flex-start; padding: 0; }
  .tool-atlas-entry { grid-template-columns: 32px minmax(0, 1fr); gap: 12px; padding: 22px 0; }
  .tool-atlas-entry-context, .tool-atlas-entry-links { grid-column: 2; grid-row: auto; }
  .tool-atlas-entry-links[open] { grid-column: 2; }
  .tool-atlas-research-grid article { min-height: 0; }
}