/* XIUREN EDITORIAL — responsive, readable, dependency-free visual language */
@charset "UTF-8";
:root{color-scheme:light;--paper:#f3efe7;--paper-alt:#e9e4da;--paper-light:#faf8f2;--ink:#272923;--ink-soft:#55574f;--muted:#777a71;--line:#d3d0c6;--olive:#626b4e;--olive-deep:#3b4333;--copper:#9e694d;--blue:#a5b1ae;--shadow:0 22px 65px rgba(38,39,32,.09);--serif:"Songti SC","Noto Serif CJK SC","SimSun",Georgia,serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;--container:1380px;--gutter:clamp(20px,4.65vw,84px);--header-h:142px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;color:var(--ink);background:var(--paper);font:400 16px/1.85 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::selection{background:#c0c8aa;color:#172014}
img{max-width:100%;height:auto;display:block}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #ab7452;outline-offset:5px}p{margin:0 0 1.2em}h1,h2,h3,h4{margin:0;font-weight:500}strong{font-weight:650}ul,ol{margin-top:0}figure{margin:0}::marker{color:var(--copper)}.skip-link{position:absolute;top:-100px;left:16px;background:var(--ink);color:white;padding:8px 20px;z-index:300}.skip-link:focus{top:10px}.site-shell{max-width:1780px;margin:auto}.site-header{position:relative;z-index:100;padding:0 var(--gutter);border-bottom:1px solid var(--line)}.header-top{min-height:103px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;gap:15px;align-items:baseline}.brand-mark{font-family:var(--serif);font-size:clamp(29px,2.5vw,40px);font-weight:700;letter-spacing:.08em;line-height:1}.brand-mark span{font-size:.75em;color:var(--copper);margin:0 .03em}.brand-caption{font-size:10px;letter-spacing:.19em;color:var(--muted);white-space:nowrap}.header-actions{display:flex;align-items:center;gap:38px}.header-label{font-size:10px;letter-spacing:.18em;color:var(--muted)}.header-label span{margin:0 7px}.menu-toggle{display:none;align-items:center;gap:12px;border:1px solid var(--line);border-radius:0;background:transparent;padding:8px 13px}.menu-toggle__glyph{display:block;width:20px;height:12px;border-top:1px solid;border-bottom:1px solid}.menu-toggle__label{font-size:13px}.site-nav{display:flex;gap:clamp(18px,2.6vw,49px);align-items:center;min-height:39px;border-top:1px solid var(--line);font-size:12px;letter-spacing:.11em}.site-nav a{position:relative;padding:7px 0 12px;color:#55584e;white-space:nowrap}.site-nav a::after{position:absolute;content:"";left:0;right:100%;bottom:-1px;height:2px;background:var(--olive);transition:right .25s}.site-nav a:hover,.site-nav a[aria-current]{color:var(--ink)}.site-nav a:hover::after,.site-nav a[aria-current]::after{right:0}.overline,.eyebrow{font-size:11px;letter-spacing:.20em;text-transform:uppercase;color:var(--olive);font-weight:650}.overline{margin-bottom:24px}.eyebrow{letter-spacing:.10em}.section-block{padding:clamp(65px,8vw,136px) var(--gutter)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:44px}.section-heading h2{font-family:var(--serif);font-size:clamp(27px,3.5vw,53px);letter-spacing:.025em;line-height:1.38}.section-heading p:not(.overline){max-width:350px;color:var(--ink-soft);font-size:14px;line-height:2;margin:0}.section-heading--compact{align-items:end}.primary-link,.outline-button,.line-button,.secondary-link,.text-arrow,.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;transition:background .2s,color .2s,border-color .2s,transform .2s}.primary-link{background:var(--olive-deep);color:#fff;padding:15px 24px;min-width:214px;font-size:13px;letter-spacing:.09em}.primary-link:hover{background:#1d281d;transform:translateY(-2px)}.secondary-link{font-size:13px;padding:14px 2px;border-bottom:1px solid var(--line)}.secondary-link:hover{border-color:var(--olive)}.outline-button{padding:13px 21px;border:1px solid #9c9f90;font-size:13px}.outline-button:hover{background:var(--olive-deep);border-color:var(--olive-deep);color:#fff}.line-button{border-bottom:1px solid var(--olive);padding:10px 0;font-size:13px;font-weight:650;color:var(--olive-deep)}.line-button:hover{gap:45px}.text-arrow{font-size:13px;border-bottom:1px solid var(--olive);padding-bottom:6px}.text-link{font-size:12px;color:var(--olive);font-weight:650;letter-spacing:.06em}
/* Hero borrows a magazine's asymmetric image hierarchy rather than a centered software landing page. */
.home-hero{padding:28px var(--gutter) 0}.hero-kicker{display:flex;gap:22px;align-items:center;font-size:10px;color:var(--muted);letter-spacing:.18em;padding-bottom:32px}.hero-kicker-line{height:1px;flex:1;background:var(--line)}.hero-grid{display:grid;grid-template-columns:minmax(0,.89fr) minmax(0,1.11fr);gap:clamp(35px,6vw,125px);align-items:stretch}.hero-copy{min-width:0;padding:clamp(40px,6.3vw,115px) 0 32px;display:flex;flex-direction:column;align-items:flex-start}.hero-copy .overline{margin-bottom:24px}.hero-copy h1{font-family:var(--serif);font-size:clamp(43px,5.8vw,94px);font-weight:500;letter-spacing:.04em;line-height:1.36;max-width:670px}.hero-copy h1 em,.page-intro h1 em,.technical-hero h1 em,.style-hero h1 em,.index-intro h1 em,.faq-intro h1 em,.about-intro h1 em{font-weight:400;font-style:normal;color:var(--olive)}.hero-description{max-width:450px;margin:32px 0 36px;color:var(--ink-soft);font-size:15px;line-height:2.15}.hero-buttons{display:flex;gap:28px;flex-wrap:wrap;align-items:center}.hero-index{display:flex;gap:26px;margin-top:auto;padding-top:70px;font-size:10px;letter-spacing:.11em;color:var(--muted)}.hero-visual{position:relative;min-height:610px;background:#b9b5a7;overflow:hidden}.hero-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;filter:saturate(.83)}.hero-visual::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(10,15,11,.35));pointer-events:none}.hero-visual figcaption{position:absolute;left:28px;right:28px;bottom:24px;z-index:1;display:flex;justify-content:space-between;color:#fff;font-size:10px;letter-spacing:.17em}.home-editorial{padding-top:120px}.spotlight{display:grid;grid-template-columns:1.07fr .93fr;min-height:485px;background:var(--paper-alt)}.spotlight-picture{min-height:460px;position:relative;overflow:hidden}.spotlight-picture img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.picture-caption{position:absolute;bottom:24px;left:27px;background:rgba(245,243,236,.87);font-size:10px;letter-spacing:.14em;padding:9px 13px}.spotlight-copy{padding:clamp(35px,5vw,79px);display:flex;flex-direction:column;align-items:start}.spotlight-copy h3{font-family:var(--serif);font-size:clamp(28px,3.1vw,48px);line-height:1.47;max-width:480px;margin:26px 0}.spotlight-copy p{font-size:14px;color:var(--ink-soft);line-height:2}.spotlight-copy ul{padding-left:17px;color:var(--ink-soft);font-size:13px;line-height:2.3;margin-bottom:34px}.spotlight-copy .line-button{margin-top:auto}.home-themes{padding-top:0}.theme-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.theme-tile{min-height:305px;display:flex;flex-direction:column;padding:26px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}.theme-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.theme-tile--light{background:#d9dccf}.theme-tile--portrait{background:#d3d0c5}.theme-tile--palette{background:#b9c5c0}.theme-tile--edit{background:#d7c4b5}.theme-number{font:11px/1 var(--sans);letter-spacing:.15em}.theme-tile h3{font:500 clamp(25px,2.5vw,36px)/1.3 var(--serif);margin:58px 0 16px}.theme-tile p{font-size:13px;line-height:2;max-width:240px}.theme-link{font-size:12px;font-weight:650;margin-top:auto;padding-top:19px}.home-stories{background:var(--paper-light)}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.4vw,40px)}.story-card{min-width:0}.story-card__link{display:flex;flex-direction:column;height:100%;min-width:0}.story-card__image{display:block;aspect-ratio:1.42;overflow:hidden;background:#d5d2c9}.story-card__image img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease,filter .4s}.story-card a:hover img{transform:scale(1.04);filter:saturate(.91)}.story-card__body{display:flex;flex-direction:column;flex:1;padding:22px 0 12px}.story-card__body strong{font:500 clamp(20px,1.8vw,28px)/1.5 var(--serif);margin:14px 0 12px}.story-card__summary{font-size:13px;color:var(--ink-soft);line-height:1.95;display:block;margin-bottom:16px}.story-card__body .text-link{margin-top:auto}.section-end{display:flex;justify-content:center;margin-top:55px}.home-essay{display:grid;grid-template-columns:1.1fr .9fr;min-height:580px;background:var(--olive-deep);color:#f4f1e9}.essay-picture{position:relative;min-height:500px}.essay-picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.essay-text{padding:clamp(40px,6.5vw,95px);display:flex;flex-direction:column;align-items:start;justify-content:center}.essay-text .overline{color:#d2d7c8}.essay-text h2{font:500 clamp(30px,4vw,59px)/1.5 var(--serif);margin:0 0 30px}.essay-text p:not(.overline){font-size:14px;color:#e2e5dc;line-height:2.2;max-width:480px}.line-button--light{color:#fff;border-color:#c6cbbb;margin-top:28px}.home-closing{text-align:center}.home-closing .overline{display:block}.home-closing h2{font:500 clamp(30px,4vw,60px)/1.5 var(--serif);margin-bottom:22px}.home-closing p{max-width:610px;margin:0 auto 34px;font-size:14px;line-height:2.1;color:var(--ink-soft)}.closing-actions{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}.closing-actions a{font-size:13px;border-bottom:1px solid var(--line);padding:7px 0}.closing-actions a:hover{border-color:var(--olive)}
/* Interior page mastheads: each editorial type has its own arrangement. */
.page-content{padding:0 var(--gutter) 100px}.breadcrumbs{padding:20px 0 24px;border-bottom:1px solid var(--line)}.breadcrumbs ol{display:flex;list-style:none;gap:11px;flex-wrap:wrap;margin:0;padding:0;font-size:11px;color:var(--muted)}.breadcrumbs a:hover{text-decoration:underline}.breadcrumbs span[aria-hidden]{margin-right:10px;color:#b4b2a9}.page-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(35px,6vw,110px);padding:70px 0 100px;align-items:center}.page-intro h1,.technical-hero h1,.style-hero h1,.index-intro h1,.faq-intro h1,.about-intro h1{font:500 clamp(40px,5.5vw,82px)/1.4 var(--serif);letter-spacing:.015em}.lead{font-size:15px;color:var(--ink-soft);line-height:2.25;max-width:640px;margin-top:30px}.page-intro-photo{position:relative;aspect-ratio:4/5;background:#babbae}.page-intro-photo img{width:100%;height:100%;object-fit:cover}.page-intro-photo figcaption{font-size:11px;letter-spacing:.16em;margin-top:15px;color:var(--muted)}.insight-section{padding:55px 0 92px;border-top:1px solid var(--line)}.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.insight-grid>div{padding:28px 25px;border-left:1px solid var(--line);background:rgba(255,255,255,.18)}.insight-grid span,.texture-grid span{font-size:10px;letter-spacing:.16em;color:var(--olive)}.insight-grid h3,.texture-grid h3{font:500 29px/1.4 var(--serif);margin:24px 0}.insight-grid p,.texture-grid p{font-size:14px;line-height:2.1;color:var(--ink-soft)}.page-feature{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;padding:30px 0 100px}.page-feature>div:first-child{aspect-ratio:1.42;background:var(--paper-alt)}.page-feature img{width:100%;height:100%;object-fit:cover}.page-feature h2{font:500 clamp(29px,3.8vw,53px)/1.5 var(--serif);margin-bottom:25px}.page-feature p:not(.overline){max-width:500px;line-height:2.15;color:var(--ink-soft)}.page-feature .line-button{margin-top:20px}.technical-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:7%;padding:85px 0 110px;align-items:center}.technical-hero .primary-link{margin-top:22px}.technical-hero__figure{position:relative;min-height:510px;background:#bdc2b8}.technical-hero__figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.fig-index{position:absolute;bottom:0;right:0;background:var(--paper);font-size:10px;letter-spacing:.18em;padding:22px 25px}.fig-index strong{display:block;font:500 24px/1.7 var(--serif)}.technical-diagram{padding:76px 40px;background:#e1e4dc}.technical-diagram>h2{font:500 clamp(28px,3.2vw,48px)/1.4 var(--serif);text-align:center;margin-bottom:55px}.light-conditions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.light-conditions article{padding:30px;background:#f3f4ed;min-height:345px;display:flex;flex-direction:column;align-items:start}.condition-orbit{width:88px;height:88px;display:block;border:1px solid var(--olive);border-radius:50%;position:relative;margin-bottom:28px}.condition-orbit::before{content:"";position:absolute;width:30px;height:30px;background:var(--olive);border-radius:50%;top:28px;left:28px}.condition-orbit::after{content:"";position:absolute;width:17px;height:17px;background:#d69d62;border-radius:50%;top:2px;left:36px;box-shadow:0 0 0 6px rgba(214,157,98,.2)}.orbit--side::after{top:35px;left:-8px}.orbit--night{background:var(--olive-deep)}.orbit--night::after{top:54px;left:63px;background:#efc896}.light-conditions h3{font:500 27px/1.3 var(--serif)}.light-conditions p{font-size:13px;line-height:2;color:var(--ink-soft);margin:18px 0}.light-conditions a{margin-top:auto;font-size:12px;font-weight:650;color:var(--olive-deep);border-bottom:1px solid}.technical-bottom{border-top:1px solid var(--line);padding:75px 0;display:grid;grid-template-columns:1fr 1fr;gap:30px}.technical-bottom h2{font:500 clamp(29px,3.3vw,49px)/1.5 var(--serif)}.technical-bottom>p{max-width:500px;line-height:2.2;font-size:14px;color:var(--ink-soft);margin:auto 0}.style-hero{display:grid;grid-template-columns:.95fr 1.05fr;gap:8%;align-items:center;padding:85px 0 110px}.style-hero__visual{aspect-ratio:1.05;background:#c5c2b9}.style-hero__visual img{width:100%;height:100%;object-fit:cover}.palette-section{padding:65px 0;border-top:1px solid var(--line)}.swatch-row{display:grid;grid-template-columns:repeat(4,1fr);min-height:275px}.swatch{display:flex;flex-direction:column;justify-content:space-between;padding:25px;font-size:11px;letter-spacing:.14em}.swatch strong{font:500 29px/1.3 var(--serif);letter-spacing:0}.swatch--cream{background:#e5dccb}.swatch--stone{background:#b6b0a5}.swatch--blue{background:#a8b7b9}.swatch--ink{background:#474b48;color:#f9f5ef}.palette-caption{font-size:11px;color:var(--muted);margin-top:15px}.texture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.texture-grid article{padding:36px 28px;background:var(--paper-alt)}.style-quote{background:#d9dbcf;text-align:center;padding:90px 35px}.style-quote blockquote{font:500 clamp(27px,3.4vw,52px)/1.8 var(--serif);margin:24px 0 38px}.style-quote a{display:inline-block;border-bottom:1px solid var(--olive);font-size:13px;padding-bottom:6px}.index-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:9%;padding:85px 0}.index-intro p{margin:auto 0 5px;font-size:15px;line-height:2.2;color:var(--ink-soft)}.index-filter{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:50px;padding-bottom:27px;border-bottom:1px solid var(--line)}.filter-chip{border:1px solid var(--line);background:transparent;padding:10px 18px;font-size:12px;color:var(--ink-soft);transition:background .2s,color .2s}.filter-chip span{font-size:10px;margin-left:8px;color:var(--muted)}.filter-chip:hover,.filter-chip.is-active{background:var(--olive-deep);color:#fff;border-color:var(--olive-deep)}.filter-chip.is-active span{color:#d9e0d3}.index-group{display:grid;grid-template-columns:minmax(180px,.35fr) minmax(0,.65fr);gap:50px;border-bottom:1px solid var(--line);padding:38px 0 64px}.index-group[hidden]{display:none}.index-group__label{font-size:10px;letter-spacing:.17em;color:var(--olive)}.index-group h2{font:500 39px/1.45 var(--serif);margin:15px 0}.index-group p{color:var(--ink-soft);font-size:13px;line-height:2.05;max-width:280px}.index-group__list{border-top:1px solid var(--line)}.index-entry{display:grid;grid-template-columns:120px minmax(0,1fr) 110px;gap:25px;align-items:center;border-bottom:1px solid var(--line);padding:29px 0}.index-entry__category,.index-entry__time{font-size:12px;color:var(--muted)}.index-entry__title{font:500 clamp(19px,2vw,28px)/1.5 var(--serif)}.index-entry__time{text-align:right;white-space:nowrap}.index-entry:hover .index-entry__title{color:var(--olive)}.index-entry__time span{margin-left:12px}
/* Longform: anchored in readable line lengths, marginal table of contents. */
.article-main{padding:0 var(--gutter) 95px}.article-layout{max-width:1230px;margin:auto}.article-header{max-width:850px;margin:90px auto 50px;text-align:center}.article-header__meta{display:flex;justify-content:center;gap:10px;font-size:12px;letter-spacing:.12em;color:var(--olive)}.article-header h1{font:500 clamp(38px,5.3vw,75px)/1.45 var(--serif);margin:23px 0}.article-dek{font-size:16px;line-height:2.2;color:var(--ink-soft);max-width:710px;margin:0 auto 30px}.article-tools{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;margin:32px auto 0;padding-top:18px;max-width:690px;font-size:10px;letter-spacing:.12em;color:var(--muted)}.share-button{border:0;background:transparent;font-size:12px;letter-spacing:0;color:var(--olive);padding:6px 0}.share-button:hover{text-decoration:underline}.article-cover{max-height:620px;overflow:hidden;background:#c9c6b9}.article-cover img{width:100%;max-height:590px;object-fit:cover;aspect-ratio:2.05}.article-cover figcaption{padding:13px 0;background:var(--paper);font-size:11px;letter-spacing:.13em;color:var(--muted)}.article-body-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(36px,6vw,100px);padding:65px 0 80px}.article-toc{position:sticky;top:25px;align-self:start;border-top:1px solid var(--line);padding-top:18px}.article-toc>span{font-size:10px;letter-spacing:.15em;color:var(--olive)}.article-toc ol{margin:23px 0 0;padding:0;list-style:none}.article-toc li{margin:0 0 18px}.article-toc a{font-size:12px;color:var(--ink-soft);line-height:1.8}.article-toc a:hover,.article-toc a.is-active{color:var(--olive);text-decoration:underline}.article-prose{max-width:755px}.article-prose .article-lead{font:500 clamp(20px,2.3vw,30px)/1.9 var(--serif);margin:0 0 60px;color:var(--ink)}.article-prose section{position:relative;margin-bottom:60px;scroll-margin-top:30px}.article-section-number{color:var(--copper);font-size:11px;letter-spacing:.17em}.article-prose h2{font:500 clamp(27px,3vw,41px)/1.5 var(--serif);margin:10px 0 23px}.article-prose section p{font-size:16px;line-height:2.4;color:#454941;letter-spacing:.015em}.article-endmark{text-align:center;color:var(--olive);font-size:22px;margin:70px 0}.article-return{display:flex;gap:22px;justify-content:space-between;align-items:center;padding:28px 0;border-top:1px solid var(--line);font-size:13px}.article-return span{color:var(--muted)}.article-return a{color:var(--olive)}.related-reading{padding-top:70px;border-top:1px solid var(--line)}.faq-intro{max-width:950px;padding:90px 0 55px}.faq-list{max-width:1120px;margin:0 auto 95px;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{display:grid;grid-template-columns:65px minmax(0,1fr) 35px;gap:20px;align-items:center;list-style:none;padding:25px 10px;cursor:pointer;font:500 clamp(18px,2vw,27px)/1.5 var(--serif)}.faq-item summary::-webkit-details-marker{display:none}.faq-count{font:11px/1.2 var(--sans);letter-spacing:.14em;color:var(--copper)}.faq-plus{font:300 30px/1 var(--sans);text-align:center;transition:transform .2s}.faq-item[open] .faq-plus{transform:rotate(45deg)}.faq-answer{padding:0 55px 29px 95px;max-width:880px;color:var(--ink-soft);font-size:14px;line-height:2.3}.faq-answer p{margin:0}.faq-follow{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;padding:70px 0;border-top:1px solid var(--line)}.faq-follow>div:first-child{aspect-ratio:1.45;background:var(--paper-alt)}.faq-follow img{width:100%;height:100%;object-fit:cover}.faq-follow h2{font:500 clamp(27px,3.1vw,45px)/1.55 var(--serif);margin:0 0 25px}.faq-follow p:not(.overline){font-size:14px;line-height:2.2;color:var(--ink-soft)}.about-intro{padding:90px 0;max-width:950px}.about-grid{display:grid;grid-template-columns:1fr .9fr;gap:8%;align-items:center;padding-bottom:100px}.about-grid figure{aspect-ratio:.95;background:#c8c8bb}.about-grid img{width:100%;height:100%;object-fit:cover}.about-grid figcaption{margin-top:9px;font-size:10px;letter-spacing:.16em;color:var(--muted)}.about-grid h2{font:500 clamp(32px,3.5vw,52px)/1.5 var(--serif);margin:0 0 30px}.about-grid p{font-size:15px;line-height:2.25;color:var(--ink-soft)}.about-links{display:flex;flex-direction:column;gap:15px;margin-top:30px}.about-links a{max-width:max-content;font-size:13px;border-bottom:1px solid var(--line);padding:5px 0}.about-links a:hover{border-color:var(--olive)}.not-found{min-height:65vh;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:70px var(--gutter)}.not-found__number{font:500 clamp(110px,18vw,250px)/1 var(--serif);color:#c3c7b8;margin:5px 0 25px}.not-found h1{font:500 clamp(28px,3vw,47px)/1.5 var(--serif)}.not-found p:not(.not-found__number){max-width:450px;color:var(--ink-soft);font-size:14px;margin:20px auto 28px}.not-found .secondary-link{margin-top:12px}
/* Footer: quiet archival colophon. */
.site-footer{background:#292f27;color:#eaece4;padding:60px var(--gutter) 20px}.footer-inner{max-width:1500px;margin:auto;display:flex;justify-content:space-between;gap:65px;padding-bottom:75px}.footer-brand{font:500 36px/1.5 var(--serif)}.footer-brand span{font:10px/1.5 var(--sans);letter-spacing:.17em;color:#c1c9b8}.footer-lead p{font-size:13px;color:#b7c1b2;margin-top:15px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(130px,1fr));gap:90px}.footer-links>div{display:flex;flex-direction:column;gap:15px}.footer-links strong{font-size:12px;color:#f4f2e8;margin-bottom:6px;letter-spacing:.12em}.footer-links a{font-size:12px;color:#bbc5b5}.footer-links a:hover{color:#fff;text-decoration:underline}.footer-bottom{max-width:1500px;margin:auto;border-top:1px solid #545b51;padding-top:20px;display:flex;gap:25px;justify-content:space-between;color:#aeb9a9;font-size:11px}.back-top:hover{color:white}
/* Desktop variations */
@media (min-width:1500px){.home-hero{padding-top:35px}.hero-visual{min-height:730px}.hero-description{font-size:16px}.section-block{padding-top:125px;padding-bottom:125px}.story-grid{gap:38px}.theme-tile{min-height:330px}.article-prose section p{font-size:17px}}
@media (max-width:1100px){:root{--gutter:32px}.hero-grid{gap:45px}.hero-visual{min-height:530px}.hero-copy{padding-top:45px}.hero-copy h1{font-size:clamp(39px,5.5vw,65px)}.hero-index{padding-top:35px}.theme-grid{grid-template-columns:repeat(2,1fr)}.theme-tile{min-height:225px}.theme-tile h3{margin-top:30px}.spotlight-copy{padding:35px}.story-grid{gap:22px}.footer-links{gap:40px}.index-entry{grid-template-columns:90px minmax(0,1fr) 95px;gap:15px}.article-body-grid{grid-template-columns:200px minmax(0,1fr);gap:30px}}
@media (max-width:760px){:root{--gutter:20px}.header-top{min-height:76px}.brand-mark{font-size:30px}.brand-caption,.header-label{display:none}.menu-toggle{display:inline-flex}.site-nav{display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 0 18px;min-height:auto}.site-nav[data-open="true"]{display:flex}.site-nav a{font-size:14px;letter-spacing:.04em;padding:12px 5px;border-bottom:1px solid var(--line)}.site-nav a::after{display:none}.home-hero{padding-top:16px}.hero-kicker{padding-bottom:16px;gap:12px;font-size:9px}.hero-grid{grid-template-columns:1fr;gap:23px}.hero-copy{padding:25px 0 0}.hero-copy .overline{margin-bottom:15px}.hero-copy h1{font-size:clamp(40px,9vw,67px);line-height:1.34}.hero-description{font-size:14px;line-height:2;margin:22px 0 25px}.hero-buttons{gap:15px}.hero-index{padding-top:29px;margin:0 0 8px}.hero-visual{height:min(116vw,540px);min-height:330px}.section-block{padding:70px var(--gutter)}.section-heading{align-items:start;flex-direction:column;gap:14px;margin-bottom:27px}.section-heading h2{font-size:clamp(28px,6vw,41px)}.section-heading p:not(.overline){max-width:550px}.spotlight{grid-template-columns:1fr}.spotlight-picture{min-height:340px}.spotlight-copy{padding:30px 25px}.spotlight-copy h3{font-size:32px;margin:17px 0}.spotlight-copy .line-button{margin-top:10px}.theme-grid{gap:10px}.theme-tile{padding:20px;min-height:235px}.theme-tile h3{font-size:28px;margin-top:30px}.theme-tile p{font-size:12px}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 16px}.story-card__body{padding-top:14px}.story-card__body strong{font-size:20px;margin:10px 0}.story-card__summary{font-size:12px;line-height:1.9}.home-essay{grid-template-columns:1fr}.essay-picture{min-height:360px}.essay-text{padding:50px 25px 65px}.essay-text h2{font-size:38px}.page-content,.article-main{padding-left:var(--gutter);padding-right:var(--gutter);padding-bottom:65px}.page-intro,.technical-hero,.style-hero,.index-intro{grid-template-columns:1fr;padding:50px 0;gap:35px}.page-intro h1,.technical-hero h1,.style-hero h1,.index-intro h1,.faq-intro h1,.about-intro h1{font-size:clamp(38px,8vw,60px)}.lead{font-size:14px;line-height:2.05;margin-top:23px}.page-intro-photo{aspect-ratio:1.1;max-height:530px}.insight-section{padding:45px 0}.insight-grid,.texture-grid{grid-template-columns:1fr;gap:12px}.insight-grid>div{padding:25px 23px}.insight-grid h3{margin:11px 0}.page-feature,.faq-follow,.about-grid{grid-template-columns:1fr;gap:35px}.page-feature{padding:30px 0 55px}.technical-hero__figure{min-height:370px}.technical-diagram{padding:48px 20px}.light-conditions{grid-template-columns:1fr}.light-conditions article{min-height:230px}.condition-orbit{margin-bottom:15px}.technical-bottom{grid-template-columns:1fr;padding:48px 0;gap:12px}.style-hero__visual{aspect-ratio:1.5}.swatch-row{grid-template-columns:repeat(2,1fr)}.swatch{min-height:170px}.palette-section{padding:50px 0}.index-intro{gap:15px}.index-filter{gap:8px}.filter-chip{padding:9px 12px}.index-group{grid-template-columns:1fr;gap:18px;padding:25px 0 40px}.index-group h2{font-size:31px}.index-group p{max-width:600px}.article-header{margin:50px auto 30px}.article-header h1{font-size:clamp(35px,7vw,55px)}.article-dek{font-size:14px}.article-cover img{aspect-ratio:1.45}.article-body-grid{grid-template-columns:1fr;padding-top:25px}.article-toc{position:static;padding:12px 0;border-bottom:1px solid var(--line)}.article-toc ol{display:flex;flex-wrap:wrap;gap:8px 15px}.article-toc li{margin:0}.article-prose .article-lead{font-size:22px;margin-bottom:40px}.article-prose section p{font-size:15px;line-height:2.25}.related-reading{padding-top:50px}.faq-intro,.about-intro{padding:55px 0 35px}.faq-item summary{grid-template-columns:30px minmax(0,1fr) 25px;gap:10px;font-size:19px;padding:22px 5px}.faq-answer{padding:0 25px 22px 40px}.footer-inner{flex-direction:column;gap:42px;padding-bottom:45px}.footer-links{gap:35px}.footer-bottom{font-size:10px}}
@media (max-width:430px){.hero-copy h1{font-size:39px}.hero-buttons{align-items:stretch;flex-direction:column;width:100%;gap:3px}.primary-link{width:max-content}.hero-index{gap:14px;font-size:9px}.theme-grid{grid-template-columns:1fr}.theme-tile{min-height:185px}.theme-tile h3{margin-top:18px}.story-grid{grid-template-columns:1fr}.story-card__image{aspect-ratio:1.53}.spotlight-picture{min-height:270px}.section-heading h2{font-size:30px}.closing-actions{gap:15px;flex-direction:column;align-items:center}.article-tools{flex-direction:column;gap:5px}.article-header h1{font-size:34px}.index-entry{grid-template-columns:1fr 65px;gap:7px}.index-entry__category{grid-column:1/-1}.index-entry__title{font-size:20px}.index-entry__time{font-size:10px}.footer-brand{font-size:30px}.footer-brand span{display:block}.footer-bottom{flex-direction:column;gap:6px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
@media print{.site-nav,.menu-toggle,.site-footer,.article-tools,.index-filter,.closing-actions{display:none!important}body{background:white;color:black}.site-header{padding-bottom:14px}.article-body-grid{display:block}.article-toc{display:none}.article-prose{max-width:100%}a{text-decoration:underline}.story-grid{grid-template-columns:repeat(2,1fr)}}