*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f9fd;color:#102c54;font-family:var(--font-ui);line-height:1.65}a{color:inherit;text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #2765b2;outline-offset:5px}.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}.skip{position:absolute;top:-80px}.skip:focus{top:10px;background:white;padding:12px;z-index:5}header{background:#ffffffed;border-bottom:1px solid #dfe6f0}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:20px}.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;font-size:23px;white-space:nowrap}.dot{color:#f8c64c;font-size:14px}.navlinks{display:flex;align-items:center;gap:22px;font-size:13px;font-weight:600}.navlinks>a{text-decoration:none}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center;padding-block:85px 65px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.13em;color:#47658b}h1{font-size:clamp(40px,4.8vw,66px);line-height:1.09;letter-spacing:-0.025em;margin:22px 0}h2{font-size:clamp(29px,3vw,40px);letter-spacing:-0.025em;line-height:1.2;margin:16px 0 25px}h3{font-size:22px;line-height:1.3;letter-spacing:-0.025em}.lead{font-size:18px;color:#506581;max-width:600px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;background:#ffd268;border:1px solid transparent;border-radius:12px;font-size:14px;font-weight:700;text-decoration:none}.button.secondary{background:white;border-color:#d7e1ef}.button.small{padding:10px 14px;font-size:12px}.fine{font-size:12px;color:#64748b;margin-top:22px}.hero figure{margin:0;background:#e8f0fc;border-radius:30px;padding:20px}.hero img{width:100%;height:auto;border-radius:20px}.hero figcaption{text-align:center;font-size:12px;padding:14px 0;color:#526b8f}.section{padding-block:55px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.cards article{background:white;border:1px solid #e6ebf3;border-radius:22px;padding:14px;overflow:hidden;box-shadow:0 12px 35px #16365b06}.cards img{width:100%;height:auto;border-radius:14px}.cards article>div{padding:2px 12px 16px}.cards p,.syllabus p,.app-section p{color:#51627a}.cards a{font-weight:700;font-size:14px}.syllabus{display:grid;grid-template-columns:1fr 1fr;gap:65px}.syllabus ol{list-style:none;margin:0;padding:18px 28px;border:1px solid #dde6f2;background:white;border-radius:22px}.syllabus li{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid #edf0f6;font-size:13px}.syllabus li:last-child{border:0}.syllabus strong{white-space:nowrap}.sources{display:grid;gap:12px;font-size:12px}.app-section{display:grid;grid-template-columns:1fr 1.25fr;gap:55px;align-items:center;scroll-margin-top:25px}.app-art img{width:100%;height:auto;border-radius:24px}.faq{max-width:850px}.faq details{padding:20px 0;border-bottom:1px solid #dce4ef}.faq summary{font-weight:600;cursor:pointer}footer{border-top:1px solid #dce4ef;padding-block:40px 55px;font-size:13px}@media(max-width:850px){.nav{flex-wrap:wrap}.navlinks{flex-wrap:wrap;gap:15px}.hero,.syllabus,.app-section{grid-template-columns:1fr;gap:30px}.hero{padding-block:45px}.hero figure{max-width:560px}.cards{grid-template-columns:1fr}.cards article{max-width:560px}.section{padding-block:32px}.app-art{max-width:450px}}@media(max-width:450px){.wrap{width:calc(100% - 32px)}.navlinks{font-size:12px}.actions .button{width:100%}.syllabus ol{padding:12px 18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* A complete closing section, with readable links and mobile spacing. */
.closing{margin-top:40px;background:#eaf0fb;border-top:1px solid #dfe7f5}.closing-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:center;padding-block:56px}.closing h2{font-size:clamp(32px,4vw,48px);margin-bottom:18px}.closing p:not(.eyebrow){max-width:450px;color:#506581;margin-bottom:24px}.closing img{width:100%;height:auto;max-width:360px;justify-self:end;border-radius:28px;mix-blend-mode:multiply}.opto-footer{background:#102c54;color:#eaf0fb;padding:56px 0 0;border:0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:48px}.footer-identity .brand{font-size:22px;color:white;gap:7px}.footer-identity .brand img{filter:brightness(0) invert(1)}.footer-identity p{font-size:15px;color:#c6d5e9;margin:20px 0 0}.footer-identity p[lang]{font-size:13px;margin-top:10px}.footer-tag{display:inline-block;font-size:12px;border:1px solid #ffffff30;border-radius:50px;padding:7px 10px;margin-top:22px;color:#d6e2f4}.footer-grid nav{display:flex;flex-direction:column;align-items:flex-start;gap:6px;min-width:0}.footer-grid h3{font-size:13px;color:white;margin:6px 0 14px}.footer-grid nav a{font-size:13px;color:#c6d5e9;text-decoration:none;min-height:36px;padding-block:7px;overflow-wrap:anywhere}.footer-grid nav a:hover{text-decoration:underline;color:white}.footer-bottom{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:14px;border-top:1px solid #ffffff20;padding-block:24px;font-size:12px;color:#b9cbe2}.footer-bottom p{margin:0;max-width:490px}.footer-bottom a{white-space:nowrap;color:#eaf0fb;min-height:36px;display:inline-flex;align-items:center}.opto-footer a:focus-visible{outline-color:#ffd268}.faq details p{max-width:70ch;color:#506581;padding-top:8px}
@media(max-width:850px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.footer-identity{grid-column:1/-1}.closing-inner{gap:28px}.closing img{max-width:270px}.footer-grid nav a{min-height:44px}}
@media(max-width:550px){.closing{margin-top:24px}.closing-inner{grid-template-columns:1fr;padding-block:36px}.closing img{display:none}.closing .button{width:100%}.opto-footer{padding-top:36px}.footer-grid{gap:24px 20px;padding-bottom:28px}.footer-bottom{align-items:flex-start;flex-direction:column;padding-bottom:30px}.footer-grid nav:last-child{grid-column:1/-1}.footer-identity .brand{font-size:22px}.nav{gap:12px;padding-block:16px}.navlinks{width:100%;gap:8px;justify-content:space-between}.navlinks a{min-height:44px;display:inline-flex;align-items:center}.navlinks .button{width:100%;margin-top:2px}.hero{padding-block:32px}.hero h1{font-size:clamp(32px,9vw,40px)}.hero figure{padding:12px}.syllabus{gap:24px}.sources a{overflow-wrap:anywhere}.faq summary{min-height:44px;line-height:1.5}}
.footer-symbol{position:relative;display:inline-flex;width:38px;height:38px;flex-shrink:0}.footer-symbol .yellow-dot{position:absolute;inset:0;clip-path:circle(14% at 50% 22%);filter:none!important}