:root{--ink:#1f312b;--dark:#17251f;--paper:#f3ecdc;--paper2:#e8dcc6;--orange:#c86832;--gold:#cf9a52;--sage:#708675;--line:#b9aa90;--white:#fffdf7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei",sans-serif}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:20;opacity:.18;background-image:radial-gradient(#4b3c2d 0.55px,transparent .65px),radial-gradient(#fff 0.65px,transparent .75px);background-size:7px 7px,11px 11px;background-position:0 0,2px 3px;mix-blend-mode:multiply}a{color:inherit}.site-head{height:78px;padding:0 5.5vw;display:flex;align-items:center;gap:4vw;background:#17251ff2;color:#f6ecd8;position:fixed;inset:0 0 auto;z-index:10;border-bottom:1px solid #ffffff20;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:126px;filter:brightness(0) invert(1)}.brand span{font:10px Georgia;letter-spacing:3px;color:#d7b890}.site-head nav{display:flex;gap:2.2vw;margin-left:auto}.site-head nav a{text-decoration:none;font-size:12px;color:#d9d1c4}.site-head nav a:hover{color:white}.head-call{display:grid;text-decoration:none;border-left:1px solid #ffffff29;padding-left:25px}.head-call small{font-size:8px;color:#a79d90;letter-spacing:2px}.head-call b{font:17px Georgia;color:#e6b584;margin-top:4px}.hero{min-height:100vh;position:relative;overflow:hidden;background:#18271f;color:#fff;padding:150px 6vw 90px;display:grid;grid-template-columns:1.15fr .55fr;gap:10vw;align-items:center}.hero-paint{position:absolute;inset:0;background:linear-gradient(90deg,#17251fee 0%,#17251fbc 43%,#17251f24 76%),linear-gradient(180deg,transparent 70%,#17251f 100%),url('assets/watercolor-air.png') 0 0/200% 200% no-repeat;filter:saturate(.8) contrast(1.04)}.hero-paint:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 67% 35%,transparent 0 23%,#17251f35 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70px}.manifesto{position:relative;padding:120px 8vw;display:grid;grid-template-columns:.75fr 1.1fr;gap:10vw;overflow:hidden}.paint-number{position:absolute;left:-12px;top:25px;font:italic 210px/1 Georgia;color:#d3b98d2b}.manifesto h2,.section-head h2{font:500 clamp(42px,4.6vw,70px)/1.25 Georgia,"Songti SC";margin:16px 0}.eyebrow.ink{color:#9c613e}.manifesto-copy{padding-top:45px}.manifesto-copy>p{line-height:2;color:#756c60;max-width:650px}.manifesto blockquote{font:28px/1.6 Georgia,"Songti SC";border-left:4px solid var(--orange);margin:35px 0;padding:4px 0 4px 25px;color:#395447}.manifesto-copy>a{font-size:11px;color:#a6542d}.solutions{padding:110px 6vw;background:#20342d;color:#f4ead8}.section-head{display:grid;grid-template-columns:1.15fr .6fr;gap:8vw;align-items:end;margin-bottom:50px}.section-head>p{line-height:2;color:#968f83}.solutions .section-head>p{color:#aaa497}.solution-list{border-top:1px solid #ffffff2c}.solution{display:grid;grid-template-columns:70px 1.2fr .65fr 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52%)}.watercolor-caption>span{font:10px Georgia;letter-spacing:3px;color:#d99f6b}.watercolor-caption h2{font:48px/1.35 Georgia,"Songti SC";margin:22px 0}.watercolor-caption p{line-height:2;color:#a9a197}.cases{padding:110px 6vw}.case-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:1fr 1fr;gap:12px}.case{min-height:340px;background:#ddd0bb;text-decoration:none;position:relative;overflow:hidden;display:flex;align-items:flex-end}.case.wide{grid-row:1/3;min-height:690px}.case figure{position:absolute;inset:0;margin:0;background-image:linear-gradient(180deg,transparent 30%,#18251fcc 100%),var(--img);background-size:cover;background-position:center;filter:saturate(.72) contrast(1.03)}.case figure:after{content:"";position:absolute;inset:0;background:linear-gradient(125deg,#e6b57722,#36533d1f);mix-blend-mode:color}.case>div{position:relative;color:white;padding:30px;width:100%}.case small{color:#e0b384}.case h3{font:29px Georgia,"Songti SC";margin:8px 0}.case p{font-size:10px;line-height:1.8;color:#d2cbc1;max-width:420px}.case span{font-size:9px;border-bottom:1px solid #ffffff70;padding-bottom:4px}.case:hover figure{transform:scale(1.035);transition:.7s}.more-link{display:flex;justify-content:space-between;border:1px solid var(--line);padding:20px;margin-top:14px;text-decoration:none;color:#9e5a36}.process{padding:110px 6vw;background:#d8c6aa}.process ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #83745e}.process li{padding:25px 22px 35px;border-right:1px solid #9c8c74}.process li:last-child{border-right:0}.process li>span{font:italic 15px Georgia;color:#aa572f}.process li>b{display:block;font:18px Georgia,"Songti SC";margin:32px 0 12px}.process li>p{font-size:9px;line-height:1.8;color:#736a5e}.news{padding:110px 6vw}.news .section-head>a{justify-self:end;color:#9e5b35}.news-list{border-top:1px solid var(--line)}.news-list>a{display:grid;grid-template-columns:130px 1.2fr 1fr 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auto;gap:40px;align-items:center;border-top:1px solid #ffffff12}footer p{font-size:9px}footer>div{display:flex;gap:18px}footer>div a{font-size:9px;text-decoration:none}footer>small{grid-column:1/4;font-size:8px;color:#655f57}.reveal{opacity:0;transform:translateY(26px);transition:.9s ease}.reveal.visible{opacity:1;transform:none}.reveal.delay{transition-delay:.18s}@media(max-width:1000px){.site-head nav{display:none}.hero{grid-template-columns:1fr}.hero-aside{max-width:420px}.section-head,.manifesto{grid-template-columns:1fr}.case-grid{grid-template-columns:1fr 1fr}.case.wide{grid-row:auto;grid-column:1/3;min-height:550px}.process ol{grid-template-columns:1fr 1fr}.process li{border-bottom:1px solid #9c8c74}.watercolor-window{grid-template-columns:1fr}.watercolor-image{min-height:520px}.closing{grid-template-columns:1fr}}@media(max-width:650px){.site-head{height:66px;padding:0 16px}.brand img{width:105px}.head-call b{font-size:13px}.head-call{padding-left:12px}.hero{padding:120px 22px 70px}.hero h1{font-size:50px;letter-spacing:-2px}.hero-actions{flex-direction:column;align-items:flex-start}.air-index{grid-template-columns:1fr 1fr;gap:16px;padding:22px}.air-index>i{display:none}.manifesto,.solutions,.cases,.process,.news{padding:75px 18px}.manifesto-copy{padding-top:0}.solution{grid-template-columns:40px 1fr 30px;gap:12px}.solution em{display:none}.solution h3{font-size:23px}.watercolor-image{min-height:330px}.watercolor-caption{padding:55px 22px}.watercolor-caption h2{font-size:38px}.case-grid{grid-template-columns:1fr}.case,.case.wide{grid-column:auto;min-height:420px}.process ol{grid-template-columns:1fr}.process li{border-right:0}.news-list>a{grid-template-columns:1fr}.news-list h3{margin:0}.closing{padding:70px 22px}.closing h2{font-size:43px}.closing-contact{grid-template-columns:1fr}.closing-contact .brush{grid-column:auto}footer{grid-template-columns:1fr;padding:35px 20px}footer>div{flex-wrap:wrap}footer>small{grid-column:auto}}
/* Official footer identity and engineering workflow refinements */
footer{grid-template-columns:1fr auto;gap:34px 40px}
.footer-company{display:flex;align-items:center;gap:28px}
.footer-company>div{display:grid;gap:5px}
.footer-company strong{font:17px Georgia,"Songti SC",serif;color:#e7d7bd;letter-spacing:.5px}
.footer-company p{font-size:9px;margin:0}
.footer-links{display:flex;gap:18px}
.footer-links a{font-size:9px;text-decoration:none}
footer>small{grid-column:1/3}
@media(max-width:650px){footer{grid-template-columns:1fr}.footer-company{align-items:flex-start;flex-direction:column;gap:15px}.footer-links{flex-wrap:wrap}footer>small{grid-column:auto}}
.site-head .brand img{width:174px}
@media(max-width:650px){.site-head .brand img{width:142px}}
.footer-company .brand{height:41px;flex:0 0 auto}
.footer-company .brand img{width:auto;height:100%;object-fit:contain}
@media(max-width:650px){.footer-company .brand{height:35px}.footer-company .brand img{width:auto;height:100%}}
/* Soften the white identity mark against the deep green background. */
.site-head .brand img,.footer-company .brand img{filter:brightness(0) saturate(100%) invert(88%) sepia(14%) saturate(430%) hue-rotate(347deg) brightness(98%) contrast(91%);opacity:.9}
.site-head .home-return{display:inline-flex;align-items:center;height:32px;margin:0;font-size:10px;line-height:1;white-space:nowrap}
/* Increase footer company and navigation copy for clearer reading. */
.footer-company strong{font-size:20px}
.footer-company p{font-size:11px;line-height:1.65}
.footer-links a,footer>div.footer-links a{font-size:11px;line-height:1.4}
/* Footer refinement: stronger utility links and centered legal record. */
.footer-links a,footer>div.footer-links a{font-size:13.2px}
footer>small{grid-column:1/3;justify-self:center;text-align:center;width:100%;margin-top:4px}
@media(max-width:650px){.footer-links a,footer>div.footer-links a{font-size:12px}footer>small{grid-column:auto;justify-self:center;text-align:center;margin-top:8px}}