/* Independent presentation prototype. Concept 1 supplies the brand and split hero.
   Theme: explicitly light per brief. Radius: sharp throughout.
   Layers: skip-link 3, mobile menu 2, native dialog in the top layer. */
:root{--paper:#f7f5ef;--surface:#eeece5;--navy:#0a2751;--blue:#1257b5;--ink:#172b43;--muted:#536173;--line:#d4d5d0;--display:Georgia,'Times New Roman',serif;--body:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{display:block;max-width:100%;height:auto}p{line-height:1.65}h1,h2,h3,p,figure{margin:0}h1,h2{font-family:var(--display);font-weight:400;letter-spacing:-.035em;color:var(--navy)}h2{font-size:clamp(34px,3.5vw,49px);line-height:1.12}.wrap{width:min(1320px,calc(100% - 96px));margin-inline:auto}.section{padding-block:100px}.header{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:48px;height:48px;object-fit:contain}.brand span{font-size:13px;line-height:1.25;font-weight:700;text-transform:uppercase;letter-spacing:.035em;color:var(--navy)}nav{display:flex;gap:25px;font-size:13px;white-space:nowrap}nav a{padding-block:20px}.header-contact{font-size:13px;font-weight:700;white-space:nowrap;display:flex;gap:20px;color:var(--navy)}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.08fr 1fr;min-height:570px;border-bottom:1px solid var(--line);align-items:stretch}.hero-copy{padding:74px 40px 70px 0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.hero h1{font-size:clamp(38px,3.6vw,55px);line-height:1.08;white-space:nowrap}.hero-copy>p{margin-top:28px;max-width:440px;font-size:17px;color:var(--muted)}.actions{display:flex;align-items:center;gap:25px;margin-top:36px;flex-wrap:wrap}.button{min-height:48px;padding:15px 22px;display:inline-flex;justify-content:center;align-items:center;gap:30px;background:var(--navy);color:#f7f5ef;border:1px solid var(--navy);font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer}.button span{font-size:19px;line-height:1}.text-link{font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:24px;padding-block:8px;color:var(--navy);border-bottom:1px solid #8b98a6;white-space:nowrap}.hero-photo{padding-block:28px;overflow:hidden}.hero-photo img{width:100%;height:100%;min-height:490px;object-fit:cover;object-position:51% center}.about{display:grid;grid-template-columns:.68fr 1.32fr;gap:95px}.eyebrow{display:block;text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:700;color:var(--blue);margin-bottom:24px}.history strong{display:block;font-family:var(--display);font-size:92px;font-weight:400;letter-spacing:-.06em;color:var(--blue);line-height:1}.history p{max-width:245px;color:var(--muted);font-size:14px;margin:20px 0 23px}.intro{font-size:16px;max-width:520px;color:var(--muted);margin-top:24px}.directions{display:grid;grid-template-columns:1fr 1fr;gap:30px 36px;margin-top:40px}.directions>div{border-top:1px solid var(--line);padding-top:18px}.directions h3{font-size:14px;font-weight:700;line-height:1.4}.directions p{font-size:13px;color:var(--muted);margin-top:9px;max-width:240px}.geography{background:var(--surface);border-block:1px solid var(--line)}.geo-layout{display:grid;grid-template-columns:1fr 1fr;gap:110px}.geo-copy .text-link{margin-top:28px}.source-note{font-size:11px;line-height:1.6;color:var(--muted);max-width:540px;margin-top:25px}.geo-directory{border-top:1px solid #b7bebf}.region{display:grid;grid-template-columns:.8fr 1fr;gap:30px;padding:25px 0;border-bottom:1px solid #bcc3c5}.region>span{font-family:var(--display);font-size:26px;color:var(--navy);line-height:1.2}.region p{font-size:13px;color:var(--muted);line-height:1.6}.directory-link{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;color:var(--blue);padding-top:26px}.section-heading{max-width:660px;margin-bottom:44px}.section-heading>p{margin-top:20px;color:var(--muted);font-size:15px;max-width:500px}.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:68px}.featured{background:var(--surface)}.image-link{display:block;overflow:hidden}.featured img{width:100%;height:310px;object-fit:cover;object-position:center 44%}.article-copy{padding:30px 36px 34px}time{display:block;font-size:11px;color:var(--muted);margin-bottom:14px}.article-copy h3{font-family:var(--display);font-weight:400;font-size:31px;color:var(--navy);line-height:1.17;letter-spacing:-.02em}.article-copy p{font-size:14px;margin-top:17px;color:var(--muted);max-width:420px}.article-copy .text-link{margin-top:22px}.aside-title{font-size:14px;margin-bottom:23px}.small-story img{width:100%;height:185px;object-fit:cover;object-position:50% 35%;margin-bottom:22px}.small-story h3{font-size:18px;line-height:1.45;font-weight:500;color:var(--navy)}.second-story{border-top:1px solid var(--line);margin-top:27px;padding-top:24px}.news-aside>.text-link{margin-top:25px}.knowledge{background:#f0f1ed;border-block:1px solid var(--line)}.library{display:grid;grid-template-columns:1.65fr 1fr;gap:24px}.library-main{position:relative;display:flex;gap:35px;padding:45px 36px;border:1px solid #b9c5cd;min-height:258px;background:#e6ebed}.book-spine{display:block;width:14px;flex-shrink:0;border-left:7px solid var(--navy);border-right:1px solid #8496ab}.library-text{display:flex;flex-direction:column;gap:23px}.library-type{font-size:12px;color:var(--muted)}.library strong{display:block;font-family:var(--display);font-size:31px;line-height:1.16;font-weight:400;letter-spacing:-.02em;color:var(--navy)}.library-text>span:last-child,.library-documents>span:last-child{font-size:12px;font-weight:700}.library-arrow{margin-left:auto;font-size:25px;color:var(--blue)}.library-documents{padding:40px 34px;display:flex;flex-direction:column;justify-content:space-between;gap:22px;border:1px solid #b9c5cd}.library-documents strong{font-size:27px;max-width:260px}.participation{display:grid;grid-template-columns:1.15fr 1fr;gap:95px}.participation h2{font-size:clamp(32px,3.2vw,46px)}.participation .button{margin-top:30px}.participation-details{padding-top:38px}details{border-bottom:1px solid var(--line);padding-block:22px}summary{font-size:15px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;line-height:1.5}summary::-webkit-details-marker{display:none}summary:after{content:'+';font-size:20px;font-weight:400;color:var(--blue)}details[open] summary:after{content:'−'}details p{font-size:14px;color:var(--muted);padding-top:14px;max-width:350px}.footer{background:var(--surface);border-top:1px solid var(--line);padding-top:50px}.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .7fr 1.1fr;gap:42px;align-items:start}.footer h2{font-family:var(--body);font-size:12px;font-weight:700;letter-spacing:0;margin-bottom:20px}.footer-grid>div>a,.legal-button{display:block;font-size:12px;margin-bottom:13px;line-height:1.5;color:var(--muted)}.legal-button{padding:0;background:none;border:0;text-align:left;cursor:pointer}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:40px;padding-block:22px;font-size:10px;color:var(--muted)}dialog{background:var(--paper);border:1px solid var(--line);max-width:520px;width:calc(100% - 32px);padding:36px;color:var(--ink)}dialog h2{font-size:30px}dialog p{font-size:15px;margin:22px 0}dialog::backdrop{background:rgba(10,39,81,.5)}.skip{position:absolute;top:-100px;left:16px;z-index:3;padding:16px;background:var(--navy);color:var(--paper)}.skip:focus{top:12px}:focus-visible{outline:2px solid var(--blue);outline-offset:6px}a:hover,button:hover{color:var(--blue)}.button:hover{color:var(--paper);background:#123b70}.button:active{transform:translateY(1px)}.image-link:hover img{opacity:.9}a,button{transition:color .15s,background .15s,transform .15s}a h3:hover{color:var(--blue)}
@media(min-width:1500px){.hero{min-height:610px}.hero h1{font-size:57px}}
@media(max-width:1150px){.wrap{width:calc(100% - 64px)}nav{gap:18px}.header-contact{display:none}.hero{min-height:520px;grid-template-columns:1.12fr 1fr}.hero-copy{padding-right:25px}.hero h1{font-size:38px}.hero-photo img{min-height:450px}.hero-copy>p{font-size:15px}.actions{gap:18px}.about{gap:55px}.geo-layout{gap:55px}.news-layout{gap:38px}.participation{gap:50px}.footer-grid{gap:24px}.library-main{gap:24px;padding:32px 24px}.library strong{font-size:28px}}
@media(max-width:900px){.brand span{font-size:11px}nav{gap:15px;font-size:12px}.wrap{width:calc(100% - 48px)}.hero h1{font-size:32px}.hero-copy>p{font-size:14px}.hero-copy{padding-block:45px}.actions{gap:12px}.button{padding-inline:16px;gap:15px}.text-link{gap:12px}.section{padding-block:70px}.about{gap:36px;grid-template-columns:.6fr 1.4fr}.directions{gap:24px}.geo-layout{gap:38px}.region{grid-template-columns:1fr;gap:8px;padding-block:20px}.news-layout{gap:28px}.featured img{height:270px}.article-copy{padding:25px}.article-copy h3{font-size:27px}.library{grid-template-columns:1.5fr 1fr}.participation{gap:35px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2 / 4}}
@media(max-width:767px){.wrap{width:calc(100% - 40px)}.header{height:72px;position:relative}.brand img{width:42px;height:42px}.brand span{font-size:11px}.menu-toggle{display:flex;gap:16px;align-items:center;border:0;background:none;padding:12px 0;font-size:13px;cursor:pointer}.menu-toggle span{font-size:24px}nav{display:none;position:absolute;top:71px;left:-20px;right:-20px;background:var(--paper);padding:18px 25px;border-bottom:1px solid var(--line);z-index:2;flex-direction:column;gap:0;font-size:16px}nav[data-open]{display:flex}nav a{padding:14px 0}.hero{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:46px 0 36px}.hero h1{font-size:clamp(30px,7.6vw,49px);white-space:normal}.hero-copy>p{margin-top:22px;font-size:15px;max-width:430px}.actions{margin-top:26px;gap:22px}.hero-photo{padding:0 0 24px}.hero-photo img{height:280px;min-height:0;object-position:center 43%}.section{padding-block:58px}h2{font-size:35px}.about{display:flex;flex-direction:column;gap:45px}.history{display:grid;grid-template-columns:100px 1fr;gap:12px 22px;align-items:start}.history .eyebrow{grid-column:1/-1;margin-bottom:7px}.history strong{font-size:58px;grid-row:2 / 4}.history p{margin:0;max-width:none;font-size:12px}.history .text-link{justify-self:start;font-size:12px}.intro{font-size:15px;margin-top:21px}.directions{grid-template-columns:1fr;gap:22px;margin-top:28px}.directions>div{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}.directions h3{font-size:13px}.directions p{margin:0;font-size:12px;max-width:none}.geo-layout{grid-template-columns:1fr;gap:35px}.geo-copy .text-link{margin-top:23px}.region{grid-template-columns:1fr 1.2fr;gap:20px}.region>span{font-size:23px}.region p{font-size:12px}.section-heading{margin-bottom:30px}.news-layout{grid-template-columns:1fr;gap:36px}.featured img{height:245px}.article-copy{padding:26px}.article-copy h3{font-size:28px}.small-story img{height:200px}.news-aside{display:block}.small-story h3{font-size:17px}.library{grid-template-columns:1fr;gap:20px}.library-main{min-height:235px;padding:30px 24px}.library-documents{min-height:220px;padding:30px}.library strong{font-size:29px}.participation{grid-template-columns:1fr;gap:25px}.participation h2{font-size:33px}.participation-details{padding-top:0}.footer-grid{grid-template-columns:1fr 1fr;gap:35px 20px}.footer-grid>.brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:10px;font-size:10px}.eyebrow{font-size:9px;margin-bottom:20px}.source-note{font-size:10px}.footer{padding-top:35px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

@media(max-width:359px){.hero h1{font-size:28px}.hero-copy{padding-top:35px}.actions{gap:16px}.hero-photo img{height:245px}h2{font-size:30px}.participation h2{font-size:29px}.directions>div{grid-template-columns:1fr;gap:7px}.region{grid-template-columns:1fr;gap:8px}}
@media(max-width:767px){.library{grid-template-columns:minmax(0,1fr)}.library-main,.library-text,.library-documents{min-width:0}.library strong{overflow-wrap:break-word}}
@media(max-width:359px){.library-main{gap:16px;padding:26px 18px}.library strong{font-size:26px}.library-arrow{font-size:20px}.library-text>span:last-child{font-size:11px}}