:root { --ink:#142033; --muted:#647082; --paper:#f8f8f5; --white:#fff; --line:#dce1e5; --night:#0c1727; --teal:#16726c; --pale:#e7efed; --warm:#e9d5bf; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color:var(--ink); background:var(--paper); }
*{box-sizing:border-box} body{margin:0;background:var(--paper);line-height:1.55} a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input{font:inherit}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:absolute;top:-3rem;left:1rem;background:var(--white);padding:.6rem;z-index:9}.skip-link:focus{top:1rem}.content-wrap{width:min(1200px,calc(100% - 48px));margin:auto}.content-narrow{width:min(720px,calc(100% - 48px));margin-inline:auto}
.site-header{background:rgba(248,248,245,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.header-inner{width:min(1280px,calc(100% - 48px));height:74px;margin:auto;display:flex;align-items:center;gap:32px}.brand{font-weight:750;font-size:1.18rem;display:inline-flex;align-items:center;gap:9px;letter-spacing:0}.brand-mark{background:var(--ink);color:#fff;width:26px;height:26px;display:grid;place-items:center;font-size:.88rem;border-radius:50%}.desktop-nav{display:flex;gap:22px;margin-right:auto;font-size:.91rem}.desktop-nav a{color:#536072}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--ink)}.search-link{border:1px solid var(--line);display:flex;align-items:center;background:var(--white);height:38px}.search-link input{border:0;outline:0;background:transparent;width:94px;padding:0 0 0 12px}.search-link button{border:0;background:transparent;font-size:1.5rem;line-height:1;cursor:pointer;padding:0 9px;color:var(--muted)}.mobile-menu{display:none;margin-left:auto}.mobile-menu summary{list-style:none;width:32px;cursor:pointer}.mobile-menu summary span{display:block;border-top:2px solid var(--ink);margin:6px}.mobile-menu nav{position:absolute;right:24px;top:62px;background:#fff;border:1px solid var(--line);padding:14px;min-width:180px}.mobile-menu nav a{display:block;padding:9px}
.hero{position:relative;min-height:660px;background:var(--night);color:white;overflow:hidden}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,13,24,.92) 0%,rgba(6,13,24,.75) 33%,rgba(6,13,24,.18) 75%,rgba(6,13,24,.08))}.hero-overlay{position:relative;z-index:1;width:min(1200px,calc(100% - 48px));margin:auto;padding-top:151px}.eyebrow,.kicker{text-transform:uppercase;font-size:.74rem;letter-spacing:.11em;font-weight:760;color:var(--teal);margin:0 0 15px}.hero .eyebrow{color:#b9ded8}.hero h1{font-size:clamp(3.25rem,7vw,6.3rem);line-height:.98;margin:0;max-width:760px;letter-spacing:0}.hero-summary{font-size:1.15rem;max-width:540px;margin:28px 0;color:#e3e9f0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:0 20px;font-weight:730;border:1px solid transparent;cursor:pointer}.button-light{background:#fff;color:var(--ink)}.button-quiet{border-color:rgba(255,255,255,.56);color:white}.button-dark{background:var(--ink);color:#fff}.ad-region{min-height:0}.ad-slot{min-height:100px;margin:42px auto;border:1px dashed #aeb8c1;background:#f0f3f4;color:#73808e;display:grid;place-items:center;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}.ad-slot[hidden]{display:none}.section-spread{padding:100px 0}.section-heading{margin-bottom:35px}.section-heading h2,.newsletter-inner h2{font-size:clamp(2rem,4vw,3.3rem);line-height:1.05;letter-spacing:0;margin:0;max-width:650px}.split-heading{display:flex;justify-content:space-between;gap:24px;align-items:end}.arrow-link{color:var(--teal);font-weight:720;white-space:nowrap}.arrow-link span{font-size:1.3rem;margin-left:5px}.story-card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.story-image{aspect-ratio:1.48;overflow:hidden;background:#d9e1e2}.story-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.story-card:hover .story-image img{transform:scale(1.03)}.story-copy{padding:21px 21px 23px}.story-copy .kicker{margin-bottom:7px}.story-copy h3{font-size:1.36rem;line-height:1.18;letter-spacing:0;margin:0 0 11px}.story-copy p{margin:0;color:var(--muted);font-size:.95rem}.story-meta{font-size:.78rem;color:#6e7a88;display:flex;gap:7px;align-items:center;margin-top:17px}.story-card-feature{display:grid;grid-template-columns:1.16fr .84fr;min-height:390px}.story-card-feature .story-image{aspect-ratio:auto}.story-card-feature .story-copy{align-self:center;padding:44px}.story-card-feature h3{font-size:clamp(2rem,4vw,3.2rem)}.category-grid,.story-grid{display:grid;gap:18px}.category-grid{grid-template-columns:repeat(4,1fr)}.story-grid.three{grid-template-columns:repeat(3,1fr)}.story-grid.two{grid-template-columns:repeat(2,1fr)}.category-card{border-top:2px solid var(--ink);padding:20px 3px 8px;min-height:205px}.category-card:hover h3{text-decoration:underline}.category-index{font-size:.76rem;color:var(--teal);font-weight:740}.category-card h3{font-size:1.38rem;letter-spacing:0;margin:30px 0 9px}.category-card p{color:var(--muted);font-size:.92rem;margin:0 0 18px}.category-card small{font-weight:720;color:#526071}.section-tint{background:var(--pale);padding:100px 0}.section-night{background:var(--night);color:white;padding:0}.tech-feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:510px}.tech-feature img{width:100%;height:510px;object-fit:cover}.tech-feature>div{padding:60px;max-width:540px}.tech-feature .eyebrow{color:#9dd5ce}.tech-feature h2{font-size:clamp(2.2rem,4vw,4rem);line-height:1;letter-spacing:0;margin:0}.tech-feature p:not(.eyebrow){color:#c6d0dc;margin:23px 0 28px}.newsletter-band{background:var(--warm);padding:72px 0}.newsletter-inner{display:flex;justify-content:space-between;align-items:center;gap:36px}.newsletter-inner>div:last-child{max-width:380px}.newsletter-inner p{color:#4f504d}.text-button{color:var(--teal);font-weight:720;border:0;padding:0;background:transparent;cursor:pointer}.site-footer{background:#101d2c;color:#d2d9e2;padding:60px max(24px,calc((100% - 1200px)/2)) 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}.site-footer .brand{color:#fff}.site-footer .brand-mark{background:#d1e3e1;color:var(--ink)}.footer-grid h2{font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:4px 0 14px}.footer-grid p{font-size:.9rem;color:#aeb9c8}.footer-grid a:not(.brand){display:block;font-size:.9rem;margin:8px 0}.footer-bottom{border-top:1px solid #2a394d;margin-top:42px;padding-top:18px;display:flex;gap:18px;justify-content:space-between;font-size:.75rem;color:#aeb9c8}.footer-bottom a{text-decoration:underline}
.page-intro{padding:92px 0 58px}.page-intro h1{font-size:clamp(3rem,6vw,5.4rem);line-height:.97;letter-spacing:0;margin:0 0 20px}.page-intro>p:last-child{font-size:1.16rem;color:var(--muted);max-width:680px}.article-head{padding:70px 0 34px}.breadcrumbs{font-size:.78rem;color:var(--muted);display:flex;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:35px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.article-head h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:.98;letter-spacing:0;margin:0}.article-subtitle{font-size:1.25rem;line-height:1.42;color:var(--muted);margin:22px 0 0}.article-hero{width:min(1200px,calc(100% - 48px));height:min(570px,60vw);margin:20px auto 60px}.article-hero img{width:100%;height:100%;object-fit:cover}.article-layout{display:grid;grid-template-columns:minmax(0,720px) 250px;justify-content:space-between;gap:42px}.article-body section{margin:0 0 38px}.article-body h2,.legal h2{font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.1;letter-spacing:0;margin:0 0 13px}.article-body p,.legal p{font-size:1.07rem;color:#39475a;margin:0}.article-body .ad-slot{margin:34px 0}.article-sidebar .ad-slot{margin-top:0;min-height:250px}.education-note{padding:24px;border-left:3px solid var(--teal);background:var(--pale);margin:48px 0}.education-note p{font-size:.94rem;margin-top:7px}.source-list{border-top:1px solid var(--line);padding-top:28px}.source-list h2{font-size:1.35rem}.source-list ul{padding-left:19px}.source-list li{margin:10px 0}.source-list a{text-decoration:underline;text-underline-offset:3px}.legal{padding-bottom:100px}.legal section{padding:28px 0;border-top:1px solid var(--line)}.search-page label{display:block;font-weight:720;margin-bottom:9px}.search-page div{display:flex;gap:9px}.search-page input{height:48px;flex:1;border:1px solid var(--line);padding:0 13px;background:#fff;min-width:0}
@media (max-width:900px){.desktop-nav,.search-link{display:none}.mobile-menu{display:block}.category-grid{grid-template-columns:repeat(2,1fr)}.story-grid.three{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.article-layout{display:block}.article-sidebar{display:none}.tech-feature{grid-template-columns:1fr}.tech-feature img{height:340px}.tech-feature>div{padding:48px 0}.section-night .content-wrap{width:min(100% - 48px,1200px)}}
@media (max-width:620px){.header-inner{width:calc(100% - 32px);height:62px}.content-wrap,.content-narrow{width:calc(100% - 32px)}.hero{min-height:630px}.hero-overlay{width:calc(100% - 32px);padding-top:100px}.hero:after{background:linear-gradient(90deg,rgba(6,13,24,.88),rgba(6,13,24,.46))}.section-spread,.section-tint{padding:66px 0}.story-card-feature{display:flex}.story-card-feature .story-image{aspect-ratio:1.48}.story-card-feature .story-copy{padding:24px}.category-grid,.story-grid.three,.story-grid.two{grid-template-columns:1fr}.split-heading,.newsletter-inner{display:block}.split-heading .arrow-link{display:inline-block;margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1 / -1}.footer-bottom{display:block}.footer-bottom>*{display:block;margin:7px 0}.article-head{padding-top:48px}.article-hero{width:100%;height:69vw;margin:12px 0 40px}.article-layout{width:calc(100% - 32px)}.tech-feature img{height:270px}.tech-feature>div{padding:42px 0}}