/* v7.50 — Bilingual Content & Journal UX */
.ps75-body{--ps75-blue:#2457f5;--ps75-navy:#071b2e;--ps75-soft:#edf2ff}
.ps75-home-hero{background:var(--ps75-navy);color:#fff;border-bottom:0;overflow:hidden}.ps75-home-grid{display:grid;grid-template-columns:minmax(0,1.35fr) 390px;min-height:650px}.ps75-home-copy{padding:92px 75px 82px 0;display:flex;flex-direction:column;justify-content:center}.ps75-home-copy h1{font-size:clamp(62px,6.5vw,98px);line-height:.91;letter-spacing:-.068em;margin:0;max-width:900px;font-weight:670}.ps75-home-copy h1 span,.ps75-home-copy h1 em{display:block}.ps75-home-copy h1 em{font-family:var(--ps7-serif);font-weight:400;color:#9eb7ff;font-style:italic;margin-top:8px}.ps75-home-copy>p{font-size:17px;line-height:1.65;color:rgba(255,255,255,.68);max-width:720px;margin:30px 0 0}.ps75-btn-light{background:#fff!important;color:var(--ps75-navy)!important;border-color:#fff!important}.ps75-btn-outline{background:transparent!important;color:#fff!important;border-color:rgba(255,255,255,.28)!important}
.ps75-latest-panel{background:var(--ps75-blue);color:#fff;padding:55px 44px;display:flex;flex-direction:column;justify-content:center;position:relative}.ps75-latest-panel:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.22);pointer-events:none}.ps75-latest-top,.ps75-latest-body{position:relative;z-index:1}.ps75-latest-top span,.ps75-latest-top strong{display:block}.ps75-latest-top span{font-size:9px;text-transform:uppercase;letter-spacing:.16em;opacity:.75}.ps75-latest-top strong{font-size:44px;letter-spacing:-.055em;margin:5px 0 22px}.ps75-latest-body{display:grid;grid-template-columns:175px 1fr;gap:22px;align-items:end}.ps75-latest-body .ps7-cover{box-shadow:0 18px 45px rgba(0,0,0,.18)}.ps75-latest-body p{font-size:11px;line-height:1.45;opacity:.72}.ps75-latest-body>div>a{font-size:11px;font-weight:800;text-decoration:none}.ps75-facts{background:#fff}
.ps75-prev-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.ps75-prev-card{background:#fff;border:1px solid var(--ps7-line);border-radius:13px;overflow:hidden;min-width:0}.ps75-prev-cover{display:block;background:#edf0f2;padding:12px;text-decoration:none}.ps75-prev-cover .ps7-cover{box-shadow:none;border-radius:2px}.ps75-prev-card>div{padding:13px}.ps75-prev-card>div>span{font-size:8px;letter-spacing:.13em;text-transform:uppercase;color:var(--ps7-muted)}.ps75-prev-card h3{font-size:21px;letter-spacing:-.04em;margin:4px 0}.ps75-prev-card h3 a{text-decoration:none}.ps75-prev-card p{font-size:9px;color:var(--ps7-muted);min-height:26px}.ps75-values-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:95px;align-items:start}.ps75-values-grid h2{font-size:48px;line-height:1.03;letter-spacing:-.055em;margin:0 0 24px}.ps75-policy-links{border-top:1px solid var(--ps7-line)}.ps75-policy-links>a{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid var(--ps7-line);text-decoration:none;font-size:13px}.ps75-policy-links a:hover{color:var(--ps7-blue)}.ps75-author-section{padding-top:15px}
.ps75-navdrop{position:relative}.ps75-navdrop>summary{list-style:none;cursor:pointer;font-size:12px;font-weight:650}.ps75-navdrop>summary::-webkit-details-marker{display:none}.ps75-navdrop>summary:after{content:"⌄";margin-left:5px;color:var(--ps7-muted)}.ps75-navdrop>div{display:none;position:absolute;z-index:120;right:0;top:26px;min-width:235px;background:#fff;border:1px solid var(--ps7-line);box-shadow:0 18px 50px rgba(7,27,46,.15);border-radius:12px;padding:8px}.ps75-navdrop[open]>div{display:grid}.ps75-navdrop>div a{padding:9px 10px;border-radius:7px}.ps75-navdrop>div a:hover{background:#f4f6f8}
.ps75-source-note{font-size:11px!important;line-height:1.5!important;color:#607284!important;margin:12px 0!important}.ps75-source-note.block{border:1px solid #dce3e8;background:#f7f9fb;border-radius:11px;padding:13px 15px;margin-bottom:20px!important}.ps75-source-note.block p{font-family:var(--ps7-sans)!important;font-size:11px!important;margin:4px 0 0!important}.ps75-policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:28px 0}.ps75-policy-grid>a{display:flex;justify-content:space-between;gap:12px;border:1px solid var(--ps7-line);border-radius:11px;padding:14px 15px;text-decoration:none;font-family:var(--ps7-sans);font-size:12px}.ps75-policy-grid>a:hover{border-color:var(--ps7-blue);color:var(--ps7-blue)}.ps75-framework{border-left:3px solid var(--ps7-blue);background:#f6f8fb;padding:15px 18px;margin:30px 0}.ps75-framework p{font-family:var(--ps7-sans)!important;font-size:11px!important;line-height:1.55!important;margin:4px 0 0!important}
.ps75-404{background:linear-gradient(135deg,#f6f8fa,#fff);min-height:68vh;display:flex;align-items:center}.ps75-404-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:90px;align-items:center;padding:80px 0}.ps75-404 h1{font-size:clamp(54px,7vw,88px);letter-spacing:-.065em;line-height:.95;margin:0 0 22px}.ps75-404 p{max-width:650px;font-size:16px;line-height:1.6;color:#506577}.ps75-404 .ps7-search-form{margin-top:25px}.ps75-404-mark{background:var(--ps75-navy);color:#fff;aspect-ratio:1/1.12;border-radius:4px;padding:34px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:0 30px 70px rgba(7,27,46,.15)}.ps75-404-mark span{font-family:var(--ps7-serif);font-size:35px}.ps75-404-mark strong{font-size:44px;letter-spacing:-.06em}.ps75-404-mark small{font-size:9px;letter-spacing:.16em;margin-top:auto;opacity:.6}
@media(max-width:1150px){.ps75-prev-grid{grid-template-columns:repeat(3,1fr)}.ps75-home-grid{grid-template-columns:minmax(0,1fr) 350px}.ps75-home-copy{padding-right:45px}.ps75-latest-panel{padding:45px 30px}.ps75-latest-body{grid-template-columns:145px 1fr}}
@media(max-width:1050px){.ps75-navdrop>summary{padding:10px;border-bottom:1px solid var(--ps7-line)}.ps75-navdrop>div{position:static;box-shadow:none;border:0;padding:0 0 5px 12px}.ps75-navdrop>div a{border-bottom:0!important;padding:7px 10px!important;font-size:11px}.ps75-values-grid{gap:45px}}
@media(max-width:760px){.ps75-home-grid{grid-template-columns:1fr}.ps75-home-copy{padding:62px 0}.ps75-home-copy h1{font-size:clamp(52px,14vw,74px)}.ps75-latest-panel{margin:0 -15px;padding:42px 30px}.ps75-latest-panel:after{inset:14px}.ps75-latest-body{grid-template-columns:125px 1fr}.ps75-prev-grid{grid-template-columns:repeat(2,1fr)}.ps75-values-grid,.ps75-404-grid{grid-template-columns:1fr}.ps75-values-grid h2{font-size:40px}.ps75-404-grid{gap:40px;padding:55px 0}.ps75-404-mark{max-width:280px}.ps75-policy-grid{grid-template-columns:1fr}}
@media(max-width:480px){.ps75-prev-grid{grid-template-columns:1fr 1fr}.ps75-prev-card>div{padding:10px}.ps75-prev-card h3{font-size:18px}.ps75-latest-body{grid-template-columns:105px 1fr}.ps75-latest-top strong{font-size:38px}}

/* v8.67 — cohesive sticky site header + refined responsive navigation */
.ps7-sitehead{position:sticky;top:0;z-index:500;background:#fff;box-shadow:0 1px 0 rgba(7,27,46,.08)}
.admin-bar .ps7-sitehead{top:32px}
.ps7-sitehead .ps7-academicbar{position:static}
.ps7-sitehead .ps7-header{position:static;top:auto;z-index:auto;background:#fff;backdrop-filter:none;border-bottom:0}
.ps7-sitehead .ps7-header-in{position:relative}
.ps7-mobile-search{display:none!important}
.ps7-menu{position:relative;min-width:96px;justify-content:center;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.ps7-menu:hover{border-color:#b8c4cf;box-shadow:0 6px 18px rgba(7,27,46,.06)}
.ps7-menu i,.ps7-menu i:before,.ps7-menu i:after{display:block;width:14px;height:1.5px;border-radius:2px;background:currentColor;content:"";transition:transform .2s ease,opacity .2s ease}
.ps7-menu i{position:relative;margin-left:2px}.ps7-menu i:before{position:absolute;top:-4px;left:0}.ps7-menu i:after{position:absolute;top:4px;left:0}
.ps7-menu[aria-expanded="true"] i{background:transparent}.ps7-menu[aria-expanded="true"] i:before{transform:translateY(4px) rotate(45deg)}.ps7-menu[aria-expanded="true"] i:after{transform:translateY(-4px) rotate(-45deg)}

@media(max-width:1050px){
  .ps7-nav{display:none;position:absolute;left:auto;right:0;top:calc(100% + 10px);width:min(390px,calc(100vw - 30px));max-height:min(70vh,620px);overflow:auto;background:#fff;border:1px solid var(--ps7-line);border-radius:18px;box-shadow:0 24px 70px rgba(7,27,46,.18);padding:10px;flex-direction:column;align-items:stretch;gap:0;overscroll-behavior:contain}
  .ps7-nav.is-open{display:flex}
  .ps7-nav>a{padding:13px 15px;border-bottom:1px solid var(--ps7-line);font-size:14px;font-weight:700;border-radius:9px}
  .ps7-nav>a:hover{background:#f5f7f9}
  .ps75-navdrop>summary{padding:13px 15px;border-bottom:0;font-size:14px;font-weight:700;border-radius:9px}
  .ps75-navdrop[open]>summary{background:#f5f7f9}
  .ps75-navdrop>div{position:static;box-shadow:none;border:0;padding:3px 0 7px 14px;min-width:0;background:transparent}
  .ps75-navdrop>div a{padding:9px 13px!important;border-bottom:0!important;border-radius:8px;font-size:12px!important}
  .ps75-navdrop>div a:hover{background:#f5f7f9}
  .ps7-mobile-search{display:block!important;margin-top:4px;border-bottom:0!important;color:var(--ps7-blue)!important}
}
@media(max-width:782px){.admin-bar .ps7-sitehead{top:46px}}
@media(max-width:760px){
  .ps7-academicbar-in{min-height:30px}
  .ps7-academicbar{height:30px;overflow:hidden}
  .ps7-academicbar-in>div:first-child strong{font-size:8px;white-space:nowrap}.ps7-academicbar-in>div:first-child span{display:none}
  .ps7-academicbar-in>div:last-child>span{display:none}
  .ps7-header-in{height:68px}
  .ps7-nav{right:0;top:calc(100% + 8px);width:min(360px,calc(100vw - 30px));border-radius:16px}
  .ps7-brand{min-width:0}.ps7-brand-name{font-size:20px;white-space:nowrap}.ps7-brand-meta{font-size:8px}
  .ps7-menu{min-width:92px;padding:9px 12px}
}
@media(max-width:480px){
  .ps7-sitehead .ps7-wrap{width:calc(100% - 28px)}
  .ps7-brand-name{font-size:19px}.ps7-head-actions{margin-left:auto}.ps7-menu{min-width:86px}
  .ps7-nav{right:0;width:calc(100vw - 28px);max-height:calc(100vh - 135px)}
}