/* ===== OPEN PAGES — V2 CANDIDATE =====
   Scope: every rule below is under .open-pages-page, except the
   .route-nav / .route-wordmark* / .route-nav__links* / .route-footer*
   block which is copied verbatim from books/books.css (global nav contract). */

/* ---------- global nav / footer (verbatim copy from books/books.css) ---------- */
.route-footer{background:var(--navy);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:34px 6vw;font-size:12px}
.route-footer>a{font-family:var(--serif);font-size:22px;font-weight:700}.route-footer>a span{margin-left:12px;font-family:var(--latin);font-size:8px;letter-spacing:.3em}
@media (max-width:767.98px){
  .route-footer{display:block;padding:34px 20px}.route-footer p{margin-top:22px}
}
@media (min-width:768px){
  .route-footer{padding-left:max(32px,calc((100vw - 1240px)/2 + 32px));padding-right:max(32px,calc((100vw - 1240px)/2 + 32px))}
}

/* ---------- page tokens (HOME V2 visual grammar, page-scoped) ---------- */
.open-pages-page{
  --v2-navy:#123A5A;
  --v2-blue:#2E9FC4;
  --v2-muted:#66717A;
  --v2-body:#2F3438;
  --v2-paper:#F7F7F4;
  --v2-olivep:#F2F5E8;
  --v2-gray:#F0F1EF;
  --v2-light:#EDF5F7;
  --v2-rule:rgba(18,58,90,.22);
  background:var(--v2-paper);
  color:var(--v2-body);
  overflow-x:hidden;
}
.open-pages-page .op-wrap{width:min(1180px,calc(100% - 48px));margin-left:auto;margin-right:auto}
.open-pages-page .eyebrow{font-family:var(--sans);font-size:12px;line-height:1.4;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--v2-blue)}
.open-pages-page .op-title{font-size:clamp(34px,4vw,58px);line-height:1.06;letter-spacing:-.045em;font-weight:700;color:var(--v2-navy);margin-top:14px}
.open-pages-page .op-title--section{font-size:clamp(32px,3.4vw,48px)}
.open-pages-page .op-source{font-size:13px;line-height:1.6;letter-spacing:.02em;color:var(--v2-muted)}
.open-pages-page .op-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:13px;font-weight:700;color:var(--v2-navy)}
.open-pages-page .op-link:hover{color:var(--v2-blue)}
.open-pages-page a:focus-visible{outline:3px solid var(--v2-blue);outline-offset:3px}

/* ---------- 1. page header ---------- */
.open-pages-page .op-head{padding:84px 0 56px;background:var(--v2-paper)}
.open-pages-page .op-head__grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);column-gap:68px;align-items:end}
.open-pages-page .op-lead{max-width:520px;font-size:16px;line-height:1.8;color:var(--v2-body)}

/* ---------- 2. feature ---------- */
.open-pages-page .op-feature{padding:84px 0 88px;background:var(--v2-olivep)}
.open-pages-page .op-feature__grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(160px,200px);column-gap:72px;align-items:end}
.open-pages-page .op-feature__title{margin-top:16px;font-family:var(--serif);font-weight:700;font-size:clamp(38px,4.8vw,68px);line-height:1.18;letter-spacing:-.035em;color:var(--v2-navy);max-width:14em}
.open-pages-page .op-feature__copy .op-source{margin-top:20px}
.open-pages-page .op-question{margin:34px 0 0;padding-left:22px;border-left:2px solid var(--v2-blue);max-width:640px}
.open-pages-page .op-question__label{font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--v2-muted)}
.open-pages-page .op-question__text{margin-top:10px;font-family:var(--serif);font-weight:400;font-size:clamp(19px,1.9vw,25px);line-height:1.65;color:var(--v2-navy)}
.open-pages-page .op-feature__copy .op-link{margin-top:22px}
.open-pages-page .op-feature__cover{width:100%;max-width:200px;justify-self:end}
.open-pages-page .op-feature__cover img{width:100%;height:auto;filter:drop-shadow(0 26px 36px rgba(18,58,90,.18))}

/* ---------- 3. secondary ---------- */
.open-pages-page .op-secondary{padding:72px 0 84px;background:#fff}
.open-pages-page .op-secondary__list{list-style:none;margin:0;padding:0;border-top:1px solid var(--v2-rule)}
.open-pages-page .op-second{display:grid;grid-template-columns:84px minmax(0,1fr) auto;column-gap:32px;align-items:center;padding:28px 0;border-bottom:1px solid var(--v2-rule)}
.open-pages-page .op-second__cover{width:84px}
.open-pages-page .op-second__cover img{width:100%;height:auto;filter:drop-shadow(0 12px 18px rgba(18,58,90,.14))}
.open-pages-page .op-second__kicker{font-size:12px;letter-spacing:.04em;color:var(--v2-muted)}
.open-pages-page .op-second__title{margin-top:6px;font-family:var(--serif);font-weight:700;font-size:clamp(24px,2.4vw,32px);line-height:1.3;letter-spacing:-.025em;color:var(--v2-navy)}
.open-pages-page .op-second__meta .op-source{margin-top:8px}
.open-pages-page .op-second__link{justify-self:end;white-space:nowrap}

/* ---------- 4. image pause ---------- */
.open-pages-page .op-pause{position:relative;height:clamp(260px,34vw,460px);overflow:hidden;margin:0}
.open-pages-page .op-pause img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.open-pages-page .op-pause:after{content:"";position:absolute;inset:0;background:rgba(67,183,199,.34);mix-blend-mode:multiply;pointer-events:none}

/* ---------- 4b. discover filter ---------- */
.open-pages-page .op-filter{padding:0 0 52px;background:var(--v2-paper)}
.open-pages-page .op-filter__row{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid var(--v2-rule);padding-top:30px;margin:0;list-style:none}
.open-pages-page .op-filter__btn{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--v2-rule);border-radius:999px;background:transparent;font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--v2-navy);cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}
.open-pages-page .op-filter__btn:hover{border-color:var(--v2-blue);color:var(--v2-blue)}
.open-pages-page .op-filter__btn[aria-pressed="true"]{background:var(--v2-navy);border-color:var(--v2-navy);color:#fff}
.open-pages-page .op-filter__btn:focus-visible{outline:3px solid var(--v2-blue);outline-offset:2px}
.open-pages-page .op-row[hidden]{display:none}

/* ---------- 5. index ---------- */
.open-pages-page .op-index{padding:84px 0 92px;background:var(--v2-paper)}
.open-pages-page .op-index__head{display:flex;justify-content:space-between;align-items:end;gap:42px}
.open-pages-page .op-index__rows{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--v2-rule)}
.open-pages-page .op-row{display:grid;grid-template-columns:120px minmax(0,1.3fr) minmax(0,1fr) 150px;column-gap:22px;align-items:center;min-height:88px;padding:14px 0;border-bottom:1px solid var(--v2-rule)}
.open-pages-page .op-row__no{font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--v2-blue)}
.open-pages-page .op-row__title{font-size:22px;line-height:1.35;font-weight:600;letter-spacing:-.02em;color:var(--v2-navy)}
.open-pages-page .op-row__source{font-family:var(--serif);font-size:16px;line-height:1.55;color:var(--v2-muted)}
.open-pages-page .op-row__link{display:flex;align-items:center;justify-content:flex-end;gap:6px;min-height:44px;text-align:right;font-size:13px;font-weight:700;color:var(--v2-navy);white-space:nowrap}
.open-pages-page .op-row__link span,.open-pages-page .op-link span{font-size:16px;line-height:1;transition:transform .2s ease}
.open-pages-page .op-row__link:hover span,.open-pages-page .op-link:hover span{transform:translate(3px,-3px)}
.open-pages-page .op-row__link:hover{color:var(--v2-blue)}

/* ---------- 4b. book index (optional, text-only) ---------- */
.open-pages-page .op-bookindex{margin-top:32px;padding-top:22px;border-top:1px solid var(--v2-rule);font-size:14px;line-height:2;color:var(--v2-muted)}
.open-pages-page .op-bookindex__label{margin-right:14px;font-weight:700;color:var(--v2-navy)}
.open-pages-page .op-bookindex a{color:var(--v2-navy);font-weight:700}
.open-pages-page .op-bookindex a:hover{color:var(--v2-blue)}

/* ---------- 6. closing ---------- */
.open-pages-page .op-closing{padding:84px 0 92px;background:var(--v2-gray)}
.open-pages-page .op-closing__grid{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.open-pages-page .op-closing__text{font-family:var(--serif);font-weight:400;font-size:clamp(24px,2.5vw,36px);line-height:1.5;color:var(--v2-navy);max-width:720px}
.open-pages-page .op-closing__link{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:700;color:var(--v2-navy);border-bottom:1px solid rgba(18,58,90,.35);white-space:nowrap}
.open-pages-page .op-closing__link:hover{color:var(--v2-blue)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .open-pages-page .op-wrap{width:min(100% - 40px,720px)}
  .open-pages-page .op-head{padding:56px 0 40px}
  .open-pages-page .op-head__grid{grid-template-columns:1fr;row-gap:18px}
  .open-pages-page .op-feature{padding:56px 0 60px}
  .open-pages-page .op-feature__grid{grid-template-columns:1fr;row-gap:32px}
  .open-pages-page .op-feature__title{font-size:clamp(34px,7vw,48px);max-width:none}
  .open-pages-page .op-feature__cover{max-width:140px;justify-self:start}
  .open-pages-page .op-secondary{padding:52px 0 60px}
  .open-pages-page .op-second{grid-template-columns:72px minmax(0,1fr);column-gap:20px;row-gap:4px;padding:22px 0}
  .open-pages-page .op-second__cover{width:72px;grid-row:1/3}
  .open-pages-page .op-second__link{grid-column:2;justify-self:start}
  .open-pages-page .op-filter{padding:0 0 40px}
  .open-pages-page .op-filter__row{padding-top:24px;gap:8px}
  .open-pages-page .op-filter__btn{padding:0 14px;font-size:12.5px}
  .open-pages-page .op-index{padding:56px 0 60px}
  .open-pages-page .op-index__head{display:block}
  .open-pages-page .op-index__rows{margin-top:28px}
  .open-pages-page .op-row{grid-template-columns:minmax(0,1fr);row-gap:6px;min-height:0;padding:18px 0}
  .open-pages-page .op-row__no{margin-bottom:2px}
  .open-pages-page .op-row__link{justify-content:flex-start;text-align:left}
  .open-pages-page .op-closing{padding:56px 0 60px}
  .open-pages-page .op-closing__grid{display:block}
  .open-pages-page .op-closing__link{margin-top:28px}
}
@media (max-width:560px){
  .open-pages-page .op-wrap{width:calc(100% - 40px)}
  .open-pages-page .op-title{font-size:38px}
  .open-pages-page .op-title--section{font-size:32px}
  .open-pages-page .op-lead{font-size:15px}
  .open-pages-page .op-feature__title{font-size:34px;line-height:1.22}
  .open-pages-page .op-question{margin-top:26px;padding-left:16px}
  .open-pages-page .op-question__text{font-size:18px;line-height:1.65}
  .open-pages-page .op-feature__cover{max-width:120px}
  .open-pages-page .op-second__title{font-size:22px}
  .open-pages-page .op-pause{height:220px}
  .open-pages-page .op-row__title{font-size:18px}
  .open-pages-page .op-row__source{font-size:14px}
  .open-pages-page .op-closing__text{font-size:22px}
}