:root{--ground:#eef2f6;--white:#fff;--blue:#244c74;--deep:#183752;--ink:#24313d;--muted:#536473;--line:#cbd4dd;font-family:"Segoe UI",Arial,sans-serif;background:var(--white);color:var(--ink);font-synthesis:none;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}a{color:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}img{display:block;width:100%;height:100%;object-fit:cover}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#d9e7f3}.wrap{width:min(1280px,calc(100% - 96px));margin-inline:auto}.skip-link{position:absolute;left:20px;top:-100px;padding:14px 20px;background:var(--white);z-index:10}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}section[id]{scroll-margin-top:30px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{font-family:"Trebuchet MS","Segoe UI",Arial,sans-serif}h1,h2{font-weight:700;letter-spacing:-.045em}
.site-header{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-weight:700;font-size:20px;line-height:1.15;color:var(--blue)}.brand svg{width:40px;height:40px}.site-header nav{display:flex;gap:36px}.site-header nav a{padding-block:12px;border-bottom:1px solid transparent;text-decoration:none;font-size:15px}.site-header nav a:hover{border-color:var(--blue)}
.hero{display:grid;grid-template-columns:1fr 1.1fr;min-height:550px;background:var(--blue)}.hero-copy{padding:55px 42px 48px 48px;color:var(--white);display:flex;flex-direction:column;align-items:start;justify-content:center}.hero-prelude{font-size:13px;color:#dce7f1;margin-bottom:27px}.hero h1{font-size:clamp(47px,4.5vw,65px);line-height:1.07;margin-bottom:26px}.hero-copy>p:not(.hero-prelude){font-size:17px;line-height:1.7;color:#e3edf5;max-width:37ch;margin-bottom:30px}.hero-photo{min-height:550px;overflow:hidden}.hero-photo img{object-position:40% center}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;text-decoration:none;min-height:50px;padding:13px 22px;font-size:15px;font-weight:600;border-radius:3px;border:1px solid transparent;transition:transform .16s,background .16s}.hero-button{background:var(--white);color:var(--blue)}.hero-button:focus-visible{outline-color:var(--white)}.hero-button:hover{background:#e4edf5;transform:translateY(-2px)}.hero-button:active{transform:translateY(0)}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:29px 32px;border-bottom:1px solid var(--line);gap:36px}.principles p{margin:0;display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--muted)}.principles strong{font-size:15px;color:var(--ink);font-weight:600}
.projects-section{padding-block:76px 80px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:32px}.small-note{font-size:14px;color:var(--muted);margin-bottom:14px}.section-heading h2{font-size:44px;line-height:1.15;margin:0}.section-heading>p{font-size:15px;line-height:1.65;color:var(--muted);margin:0}.library-controls{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-block:30px 16px}.category-filters{display:flex;flex-wrap:wrap;gap:7px}.category-filters button{font-size:14px;padding:11px 16px;min-height:44px;background:var(--ground);color:var(--ink);border:1px solid transparent;border-radius:3px;transition:background .15s}.category-filters button[aria-pressed=true]{background:var(--blue);color:var(--white)}.category-filters button:hover:not([aria-pressed=true]){background:#dbe4ed}.search{display:flex;gap:11px;align-items:center;min-width:240px;width:280px;border:1px solid var(--line);border-radius:3px;padding:0 13px;min-height:44px}.search svg{width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.7;flex-shrink:0}.search input{width:100%;min-width:0;border:0;padding:11px 0;font-size:14px;color:var(--ink);background:transparent}.search input::placeholder{color:var(--muted)}.search input:focus-visible{outline-offset:10px;outline-width:2px}.results-count{font-size:13px;color:var(--muted);margin-bottom:24px}.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start}.article{border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:3px;background:var(--white)}.article summary{list-style:none;padding:27px 30px 20px;transition:background .15s}.article summary::-webkit-details-marker{display:none}.article summary:hover{background:#f5f8fb}.article-meta{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:12px;color:var(--muted);margin-bottom:24px}.article-meta>span:first-child{color:var(--blue);font-weight:600}.article h3{font-size:31px;font-weight:700;line-height:1.13;letter-spacing:-.025em;margin-bottom:17px}.article summary>p{font-size:16px;line-height:1.65;max-width:44ch;min-height:53px;color:var(--muted);margin-bottom:24px}.article-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #e1e7ed;padding-top:16px;font-size:12px;color:var(--muted);min-height:43px}.toggle{height:26px;width:26px;border:1px solid var(--line);border-radius:50%;position:relative;flex:0 0 26px}.toggle:before,.toggle:after{content:"";position:absolute;background:var(--blue);left:6px;top:11px;width:12px;height:1.5px}.toggle:after{transform:rotate(90deg);transition:transform .15s}.article[open] .toggle:after{transform:rotate(0)}.article[open] summary{background:var(--ground)}.article-body{padding:28px 30px 22px;border-top:1px solid var(--line);font-size:15px;line-height:1.75;overflow-wrap:break-word}.article-body>p{margin-bottom:20px}.article-body h4{font-size:17px;line-height:1.4;font-weight:650;margin:28px 0 12px}.article-body ul,.article-body ol{padding-left:23px;margin-block:0 22px}.article-body li{padding-left:4px;margin-bottom:12px}.article-body li::marker{color:var(--blue);font-weight:600}.article-body .article-tip{background:var(--ground);padding:17px 18px;border-left:2px solid var(--blue);font-size:14px;line-height:1.7;margin-block:24px 0}.empty-state{padding:50px 24px;text-align:center;background:var(--ground)}.empty-state h3{font-size:26px;letter-spacing:-.025em}.empty-state p{font-size:16px;color:var(--muted);line-height:1.65}.secondary{background:var(--blue);color:var(--white);justify-content:center}.secondary:hover{background:var(--deep)}.no-script{font-size:15px;line-height:1.7;padding:16px;background:var(--ground)}
.basics-section{background:var(--ground);padding-block:70px}.basics-layout{display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center}.basics-copy h2{font-size:46px;line-height:1.1;margin-bottom:24px}.basics-copy>p:not(.small-note){font-size:17px;line-height:1.75;max-width:43ch;color:var(--muted)}.basics-list{list-style:none;padding:0;margin:30px 0 0}.basics-list li{border-top:1px solid var(--line);padding:18px 0}.basics-list strong{font-size:16px;font-weight:600;display:block;margin-bottom:6px}.basics-list span{display:block;font-size:14px;line-height:1.6;color:var(--muted);max-width:49ch}.basics-photo{height:535px;overflow:hidden;border-radius:3px}.basics-photo img{object-position:50% 19%}.about-section{display:grid;grid-template-columns:1fr 1fr;gap:85px;padding-block:75px}.about-section h2{font-size:36px;line-height:1.2;max-width:21ch}.about-section p{font-size:16px;line-height:1.75;max-width:53ch;color:var(--muted)}.text-link{display:inline-block;color:var(--blue);font-weight:600;font-size:15px;text-underline-offset:6px;padding-block:10px}.site-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:30px;font-size:12px;color:var(--muted)}.site-footer p{margin:0}.footer-name{font-family:"Trebuchet MS","Segoe UI",Arial,sans-serif;font-size:20px;font-weight:700;color:var(--blue);text-decoration:none}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{grid-template-columns:1fr 1fr;min-height:510px}.hero-copy{padding:36px 30px}.hero h1{font-size:50px}.hero-photo{min-height:510px}.hero-prelude{font-size:12px}.hero-copy>p:not(.hero-prelude){font-size:16px}.principles{gap:24px}.principles p{font-size:12px}.library-controls{gap:16px}.category-filters{gap:5px}.category-filters button{font-size:13px;padding-inline:12px}.search{width:240px;min-width:200px}.article h3{font-size:28px}.article summary{padding:25px 25px 18px}.article-body{padding:23px}.article-meta{font-size:11px}.basics-layout,.about-section{gap:45px}.basics-copy h2{font-size:40px}.basics-photo{height:540px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{min-height:100px}.site-header nav{gap:22px}.site-header nav a{font-size:14px}.brand{font-size:18px}.brand svg{width:35px;height:35px}.hero{min-height:470px}.hero-copy{padding:30px 24px}.hero h1{font-size:43px}.hero h1 br{display:none}.hero-photo{min-height:470px}.hero-prelude{font-size:12px;line-height:1.6;margin-bottom:22px}.hero-copy>p:not(.hero-prelude){font-size:15px;line-height:1.65}.button{font-size:14px;padding-inline:17px;gap:24px}.principles{gap:20px}.principles strong{font-size:14px;line-height:1.5}.principles p{line-height:1.6}.projects-section{padding-block:52px}.section-heading h2{font-size:36px}.section-heading>p{font-size:13px}.library-controls{align-items:start;flex-direction:column;gap:16px}.search{width:100%;max-width:420px}.article-grid{gap:16px}.article summary{padding:22px 20px 17px}.article h3{font-size:27px}.article summary>p{font-size:15px;min-height:74px;line-height:1.65}.article-meta{display:block;margin-bottom:20px}.article-meta span{display:block}.article-meta span+span{margin-top:5px}.article-bottom{font-size:11px;gap:12px;line-height:1.5}.article-body{padding:22px 20px;font-size:14px}.article-body h4{font-size:16px}.basics-section{padding-block:48px}.basics-layout{gap:28px}.basics-copy h2{font-size:35px}.basics-copy>p:not(.small-note){font-size:15px}.basics-photo{height:575px}.basics-list strong{font-size:15px}.basics-list span{font-size:13px}.about-section{gap:30px;padding-block:52px}.about-section h2{font-size:31px}.about-section p{font-size:15px}.site-footer{flex-wrap:wrap;gap:16px}.site-footer .footer-name{flex-basis:100%}}
@media(max-width:540px){.site-header{padding-block:22px 18px;flex-wrap:wrap;gap:20px}.site-header nav{width:100%;justify-content:space-between;gap:12px}.site-header nav a{font-size:13px;padding-block:6px}.hero{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:34px 27px 36px}.hero h1{font-size:47px;line-height:1.08;margin-bottom:22px;max-width:9ch}.hero h1 br{display:none}.hero-prelude{font-size:12px;margin-bottom:22px}.hero-copy>p:not(.hero-prelude){font-size:16px;max-width:31ch;margin-bottom:25px}.hero-photo{height:280px;min-height:0}.hero-photo img{object-position:32% 50%}.button{font-size:15px;gap:34px;padding-inline:20px}.principles{grid-template-columns:1fr;gap:0;padding-block:12px}.principles p{display:grid;grid-template-columns:125px 1fr;gap:16px;padding-block:15px;border-bottom:1px solid #e2e7ed;align-items:start}.principles p:last-child{border-bottom:0}.principles strong{font-size:13px}.principles span{font-size:12px}.projects-section{padding-block:45px}.section-heading{display:block;margin-bottom:25px}.small-note{font-size:13px;margin-bottom:12px}.section-heading h2{font-size:35px;max-width:10ch}.section-heading>p{font-size:14px;margin-top:18px}.section-heading>p br{display:none}.library-controls{margin-top:24px;gap:16px}.category-filters{width:100%;display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.category-filters button{font-size:13px;padding-inline:10px}.results-count{margin-bottom:18px}.article-grid{grid-template-columns:1fr;gap:18px}.article summary{padding:24px 24px 19px}.article h3{font-size:30px;line-height:1.12}.article-meta{display:flex;font-size:11px;margin-bottom:21px}.article-meta span+span{margin-top:0}.article summary>p{font-size:15px;min-height:0;margin-bottom:22px}.article-bottom{font-size:11px;gap:16px;min-height:44px}.article-body{font-size:15px;padding:22px 24px}.article-body h4{font-size:17px}.article-body .article-tip{font-size:13px;padding:15px}.basics-layout{grid-template-columns:1fr;gap:28px}.basics-copy h2{font-size:39px}.basics-copy>p:not(.small-note){font-size:16px}.basics-list strong{font-size:15px}.basics-list span{font-size:14px}.basics-photo{height:330px}.basics-photo img{object-position:50% 15%}.about-section{grid-template-columns:1fr;gap:10px}.about-section h2{font-size:33px;margin-bottom:17px}.about-section p{font-size:15px}.site-footer{padding-block:28px}.site-footer p{width:100%}.empty-state{padding:32px 20px}.empty-state h3{font-size:23px}.empty-state p{font-size:14px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.hero-button:hover{transform:none}}