/* v65: fully scoped catalogue; respects the site's existing Persian font. */
.pf-page{--pf-ink:#102a39;--pf-muted:#51656e;--pf-line:#d9e3e4;--pf-gold:#eed3a0;background:#f5f7f6;color:var(--pf-ink);padding-bottom:64px}.pf-page a{text-decoration:none}.pf-page .container{max-width:1240px}.pf-page h1,.pf-page h2,.pf-page h3,.pf-home h2{font-family:inherit;letter-spacing:-.035em}.pf-page button,.pf-page input,.pf-page select{font:inherit}.pf-page :focus-visible,.pf-home :focus-visible,.pf-nav-link:focus-visible{outline:3px solid #bb8535;outline-offset:4px}.pf-button{display:inline-flex;justify-content:center;align-items:center;gap:24px;min-height:50px;padding:12px 22px;border:1px solid transparent;border-radius:10px;background:#153a48;color:#fff;font-weight:800;font-size:14px;text-decoration:none;cursor:pointer;line-height:1.6}.pf-button:hover{background:#225566;color:#fff}.pf-button span{font-size:23px;font-weight:400}.pf-button.pf-gold{background:#eed3a0;color:#112d3a}.pf-button.pf-gold:hover{background:#f8e3bc;color:#112d3a}.pf-eyebrow{display:block;color:#e2c795;font-size:13px;font-weight:700;margin-bottom:14px}.pf-hero{background:radial-gradient(ellipse at 8% 90%,#245763 0,transparent 46%),#102d3c;color:#fff;padding:28px 0 66px;position:relative;overflow:hidden}.pf-breadcrumb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:#b3c8ce;margin-bottom:42px}.pf-breadcrumb a{color:#dae7ea}.pf-hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:100px;align-items:center}.pf-hero h1{font-size:clamp(36px,4vw,58px);font-weight:900;line-height:1.65;margin:0 0 20px;color:#fff}.pf-hero h1 em{font-style:normal;color:#eed3a0}.pf-hero-copy>p{font-size:16px;line-height:2.2;color:#d2e0e4;max-width:560px;margin:0 0 28px}.pf-hero-panel{position:relative;border:1px solid #65818a;border-radius:22px;padding:30px 32px;background:linear-gradient(135deg,#ffffff0c,#ffffff03);transform:rotate(-2deg)}.pf-panel-label{font-size:13px;color:#c0d2d6}.pf-big-number{color:#eed3a0;font-size:86px;line-height:1.4;font-weight:800;margin:18px 0}.pf-big-number>span{display:block;font-size:15px;font-weight:400;color:#e0eaec}.pf-panel-rule{height:1px;background:#68818b66;margin:24px 0}.pf-panel-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px}.pf-panel-bottom strong{font-size:27px;color:white}.pf-panel-bottom span{display:block;font-size:12px;color:#c8d8dc}.pf-panel-bottom p{font-size:14px;line-height:2;color:#c8d8dc;margin:0}.pf-panel-note{display:block;border-top:1px solid #68818b66;padding-top:18px;margin-top:22px;color:#b7cdd2;font-size:11px}.pf-section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}.pf-section-heading h2{font-size:25px;line-height:1.7;margin:7px 0 0;color:var(--pf-ink)}.pf-section-heading>p{font-size:12px;line-height:1.9;color:var(--pf-muted);max-width:290px;margin:0}.pf-overline{font-size:12px;font-weight:800;color:#56716f}.pf-disciplines{padding-top:50px;padding-bottom:44px}.pf-group-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.pf-group{padding:18px 20px;background:#fff;border:1px solid var(--pf-line);border-radius:12px;color:var(--pf-ink);transition:border-color .15s,box-shadow .15s;min-width:0}.pf-group:hover,.pf-group.is-current{border-color:#386978;box-shadow:0 5px 15px #112c390a}.pf-group-mark{display:block;font-size:15px;color:#607c83;margin-bottom:8px}.pf-group strong{display:block;font-size:15px}.pf-group-bottom{display:flex;justify-content:space-between;color:#607079;font-size:11px;border-top:1px solid #e9eeee;margin-top:15px;padding-top:12px}.pf-group-bottom b{font-size:17px;color:#193f4c}.pf-more-groups{border-bottom:1px solid var(--pf-line);margin-top:20px;padding:0 0 16px}.pf-more-groups summary{cursor:pointer;font-weight:700;font-size:13px;min-height:35px;padding-top:8px}.pf-more-groups summary span{margin-right:12px;color:var(--pf-muted);font-size:11px;font-weight:400}.pf-more-groups nav{display:flex;gap:8px;flex-wrap:wrap;padding-top:18px}.pf-more-groups nav a{font-size:12px;border:1px solid #d7e3e5;border-radius:7px;padding:9px 12px;background:#fff;color:#284b58}.pf-more-groups a[aria-current]{background:#173d4b;color:white}.pf-browser{scroll-margin-top:140px}.pf-filters{padding:24px;border:1px solid #d6e1e3;border-radius:16px;background:#fff}.pf-search-row{display:flex;gap:14px;align-items:end}.pf-search-label{flex:1}.pf-filters label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:700;color:#334f5b;min-width:0}.pf-filters input,.pf-filters select{width:100%;height:48px;padding:8px 12px;border:1px solid #c7d6db;border-radius:8px;color:#183846;background:#fcfdfd;min-width:0;font-size:13px}.pf-filters input::placeholder{color:#74858d}.pf-filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:20px}.pf-filter-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:20px;font-size:11px;color:#647981}.pf-filter-footer a{color:#234e5e;text-decoration:underline;text-underline-offset:4px;min-height:30px;display:inline-flex;align-items:center}.pf-result-bar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:30px 0 18px;font-size:14px}.pf-result-bar span{font-size:12px;color:#627780}#pf-results{scroll-margin-top:150px;outline:none}#pf-results[aria-busy=true]{opacity:.5;pointer-events:none}.pf-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.pf-card{min-width:0;border:1px solid #dbe4e5;border-radius:14px;background:#fff;overflow:hidden;box-shadow:0 4px 14px #203c4903;scroll-margin-top:140px}.pf-card-top{padding:15px 20px;display:flex;justify-content:space-between;gap:10px;background:#edf3f2;border-bottom:1px solid #e3eaea;font-size:11px}.pf-card-top a{color:#345f63}.pf-card-top>span{white-space:nowrap;color:#6e7e83}.pf-card h3{font-size:16px;line-height:1.95;padding:0 20px;margin:19px 0 14px;font-weight:800;color:#163849;overflow-wrap:anywhere}.pf-tags{display:flex;gap:5px;flex-wrap:wrap;padding:0 20px}.pf-tags span{font-size:10px;padding:4px 7px;background:#f4f2ed;color:#655a40;border-radius:4px}.pf-card-summary{font-size:12px;line-height:2.15;margin:15px 20px 20px;color:#516670}.pf-detail{border-top:1px solid #e2e9e9}.pf-detail>summary{padding:15px 20px;cursor:pointer;color:#245362;font-weight:700;font-size:12px;list-style:none;display:flex;justify-content:space-between;gap:10px}.pf-detail>summary::-webkit-details-marker{display:none}.pf-detail>summary span{font-size:20px;font-weight:400;line-height:1}.pf-detail[open]>summary span{transform:rotate(45deg)}.pf-detail[open]>summary{background:#f0f5f4}.pf-detail dl{margin:0;padding:0 20px}.pf-detail dl>div{padding:12px 0;border-bottom:1px solid #e9eeee}.pf-detail dt{font-size:11px;font-weight:800;color:#305563;margin-bottom:4px}.pf-detail dd{margin:0;font-size:12px;line-height:2;overflow-wrap:anywhere;color:#536972}.pf-similar{display:flex;justify-content:space-between;gap:10px;margin:17px 20px;padding:11px 12px;border-radius:7px;background:#173e4c;color:white;font-size:11px;font-weight:700}.pf-similar:hover{color:#f0d5a5;background:#245665}.pf-pagination{display:flex;gap:7px;justify-content:center;align-items:center;flex-wrap:wrap;margin:30px 0 0}.pf-pagination a{min-width:42px;min-height:42px;padding:9px 12px;display:grid;place-items:center;border:1px solid #d3dfe2;border-radius:7px;color:#284856;background:white;font-size:13px}.pf-pagination a[aria-current]{background:#173d4b;color:white;border-color:#173d4b}.pf-pagination a:hover{border-color:#406c7c}.pf-empty{padding:50px 20px;border:1px dashed #b7cbd0;border-radius:14px;text-align:center;background:white}.pf-empty>span{font-size:40px;color:#678b95}.pf-empty h3{font-size:20px}.pf-empty p{font-size:14px;color:#5c727b}.pf-guide{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:70px;border-top:1px solid #d8e3e3;padding-top:38px;padding-bottom:42px}.pf-guide h2{font-size:24px;line-height:1.8;margin:10px 0}.pf-guide p{color:#5b7279;font-size:13px;line-height:2.15;margin:0}.pf-guide ol{margin:0;padding-right:22px}.pf-guide li{padding:0 8px 17px;color:#55717c}.pf-guide li strong{display:block;color:#203f4d;font-size:14px;margin-bottom:5px}.pf-guide li span{font-size:12px;line-height:1.9;display:block}.pf-bottom-cta{background:#153b49;border-radius:16px;padding:32px!important;display:flex;justify-content:space-between;align-items:center;gap:30px;color:white}.pf-bottom-cta h2{font-size:24px;color:#fff;margin:0 0 10px}.pf-bottom-cta p{font-size:13px;line-height:2;color:#c9dce1;margin:0}.pf-bottom-cta .pf-eyebrow{font-size:11px}.pf-nav-link{font-weight:800!important}.pf-nav-link>span{padding:2px 5px;margin-inline-start:3px;background:#f1dab2;color:#674714;border-radius:4px;font-size:9px;vertical-align:middle}.pf-home{background:#123340;color:#fff;border-bottom:3px solid #dbbc83}.pf-home-inner{display:grid;grid-template-columns:1.2fr 1fr auto;gap:28px;align-items:center;padding-top:25px;padding-bottom:25px}.pf-home h2{font-size:23px;line-height:1.7;color:#fff;margin:0 0 6px}.pf-home p{font-size:12px;color:#c9dce2;line-height:1.9;margin:0}.pf-home .pf-eyebrow{font-size:11px;margin-bottom:5px}.pf-home-links{display:flex;gap:7px;flex-wrap:wrap}.pf-home-links a{border:1px solid #52727d;padding:7px 9px;border-radius:6px;color:#d4e4e9;font-size:11px;text-decoration:none}.pf-home-links a:hover{border-color:#eed3a0;color:#eed3a0}.pf-live{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.pf-page .pf-load-error{position:static!important;clip:auto;width:auto;height:auto;white-space:normal;padding:12px;background:#fff3d9;border-radius:8px;color:#704f17;font-size:13px}.pf-page [hidden]{display:none!important}
@media(max-width:1100px){.pf-hero-grid{gap:50px}.pf-home-inner{grid-template-columns:1fr auto}.pf-home-links{display:none}.pf-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pf-filter-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.pf-page .container{width:calc(100% - 32px)}.pf-hero{padding-bottom:35px}.pf-breadcrumb{margin-bottom:27px;font-size:10px}.pf-hero-grid{grid-template-columns:1fr;gap:28px}.pf-hero h1{font-size:37px;line-height:1.65}.pf-hero-copy>p{font-size:14px}.pf-hero-panel{transform:none;padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center}.pf-panel-label{grid-column:1/-1;font-size:11px}.pf-big-number{font-size:53px;margin:0}.pf-big-number>span{font-size:11px}.pf-panel-rule,.pf-panel-note{display:none}.pf-panel-bottom{display:block}.pf-panel-bottom>div{display:none}.pf-panel-bottom p{font-size:12px}.pf-disciplines{padding-top:32px;padding-bottom:28px}.pf-section-heading{display:block}.pf-section-heading h2{font-size:21px}.pf-section-heading>p{margin-top:10px;max-width:none}.pf-group-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.pf-group{padding:13px}.pf-group strong{font-size:12px}.pf-group-mark{font-size:13px;margin-bottom:6px}.pf-group-bottom{font-size:10px;margin-top:10px;padding-top:8px}.pf-search-row{display:block}.pf-search-row .pf-button{width:100%;margin-top:12px}.pf-filters{padding:17px}.pf-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.pf-filter-grid label{font-size:11px}.pf-filters input,.pf-filters select{font-size:12px}.pf-filter-footer{font-size:10px;align-items:start}.pf-result-bar{font-size:12px}.pf-result-bar span{font-size:10px}.pf-card-grid{grid-template-columns:1fr}.pf-card h3{font-size:16px}.pf-card-summary{font-size:13px}.pf-guide{grid-template-columns:1fr;gap:26px;margin-top:40px;padding-top:25px}.pf-guide h2{font-size:21px}.pf-bottom-cta{display:block;padding:25px!important}.pf-bottom-cta .pf-button{margin-top:20px;width:100%}.pf-bottom-cta h2{font-size:22px}.pf-home-inner{grid-template-columns:1fr;gap:15px;padding-top:20px;padding-bottom:20px}.pf-home h2{font-size:21px}.pf-home .pf-button{width:100%}.pf-home p{font-size:11px}.pf-home .pf-eyebrow{font-size:10px}}
@media(prefers-reduced-motion:reduce){.pf-page *{scroll-behavior:auto!important;transition:none!important}}

/* Editable, visible specialist guides. */
.pf-editorial{margin-top:64px;margin-bottom:64px;max-width:1120px;color:#334b59;line-height:2.15;font-size:16px}.pf-editorial h2{font-size:clamp(21px,2.1vw,29px);color:#123846;margin:36px 0 16px;line-height:1.7}.pf-editorial h3{font-size:19px;line-height:1.9;margin:0 0 12px}.pf-editorial p{margin:0 0 20px}.pf-editorial a{color:#096764;text-decoration:underline;text-underline-offset:5px}.pf-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.pf-example{padding:26px;border:1px solid #dce8e7;border-radius:20px;background:#f7faf9;overflow-wrap:anywhere}.pf-example-code{font-size:13px;color:#536b76}.pf-editorial ul{display:flex;flex-wrap:wrap;gap:12px 32px;padding-inline-start:22px}.pf-editorial :focus-visible{outline:3px solid #bc8832;outline-offset:5px}@media(max-width:680px){.pf-example-grid{grid-template-columns:1fr}.pf-example{padding:20px}.pf-editorial{margin-top:40px;margin-bottom:40px}.pf-editorial ul{display:block}.pf-editorial li{margin-bottom:10px}}