*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#090f13;color:#e9e6df;font-family:Arial,Helvetica,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #d3b581;outline-offset:5px}::selection{background:#9c8457;color:#fff}header{height:90px;border-bottom:1px solid #ffffff0d;display:flex;align-items:center;justify-content:space-between;padding:0 6%;position:relative;z-index:5;background:#090f13}.brand{display:flex;align-items:center;gap:14px;font-size:18px;letter-spacing:.26em;font-weight:600}.brand img{width:34px;height:34px}nav{display:flex;align-items:center;gap:30px;font-size:13px;color:#aeb7bc}nav a:hover,footer a:hover{color:#d4b783}.nav-cta{border:1px solid #8e7d5966;padding:10px 18px;color:#d4b783}.menu{display:none;border:0;background:none;color:#d4b783;font-size:24px}.wrap{max-width:1230px;margin:auto;padding:0 40px}.hero{min-height:740px;position:relative;overflow:hidden;display:flex;align-items:center;border-bottom:1px solid #ffffff12}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#090f13 2%,#090f13cc 36%,transparent 85%),url('/strata.svg') center right/cover no-repeat;pointer-events:none}.hero .wrap{width:100%;position:relative;padding-top:76px;padding-bottom:86px}.eyebrow,.mono,.fig{font-family:monospace;font-size:11px;letter-spacing:.19em;text-transform:uppercase}.eyebrow{color:#83a6ba;display:flex;align-items:center;gap:16px;margin-bottom:26px}.eyebrow:before{content:'';width:24px;height:1px;background:#577787}h1{font-size:clamp(48px,6.4vw,88px);line-height:1.06;letter-spacing:-.055em;font-weight:500;margin:0 0 30px;max-width:900px}h1 em{font-style:normal;color:#c7ad7e}h2{font-size:clamp(32px,4vw,52px);font-weight:500;line-height:1.13;letter-spacing:-.035em;margin:0 0 26px}h3{font-size:27px;font-weight:500;line-height:1.25;letter-spacing:-.025em}p{color:#a9b3ba;margin:0 0 24px}.lead{font-size:18px;line-height:1.85;max-width:600px}.actions{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:38px;border:1px solid #aa91675c;color:#ceb486;padding:17px 24px;font:11px monospace;text-transform:uppercase;letter-spacing:.12em;transition:.2s}.button:hover{background:#c4a879;color:#0b1116;border-color:#c4a879}.button.secondary{border-color:#4a606d;color:#a2c1d2}.text-link{color:#8eafc2;border-bottom:1px solid #48616e;padding-bottom:5px;font:12px monospace}.hero-note{margin-top:45px;font-size:12px;color:#768792;display:flex;gap:25px}.depth{position:absolute;right:30px;top:110px;bottom:70px;display:flex;flex-direction:column;justify-content:space-between;font:9px monospace;color:#4f6876;letter-spacing:.15em}.depth span{writing-mode:vertical-rl}.section{padding:110px 0;border-bottom:1px solid #ffffff12}.fig{color:#516673;display:block;margin-bottom:46px;font-size:10px}.split{display:grid;grid-template-columns:1fr 1fr;gap:90px}.section-head{max-width:660px;margin-bottom:52px}.principles{list-style:none;padding:0;margin:35px 0 0}.principles li{padding:18px 0;border-bottom:1px solid #ffffff12;color:#a9b3ba;font-size:14px}.principles span{font:11px monospace;color:#718e9e;margin-right:20px}.principles strong{color:#e9e6df;font-weight:400}.doors{display:grid;grid-template-columns:1fr 1fr;border:1px solid #72899833}.door{padding:44px}.door+.door{border-left:1px solid #72899833;background:#14202a38}.door .mono{color:#bc9d69}.door p,.door li{font-size:15px}.door ul{list-style:none;padding:0;margin:28px 0;color:#a8b8c1}.door li{padding:8px 0}.door li:before{content:'↗';margin-right:14px;color:#7293a6}.door .button{margin-top:14px}.caption{font:10px monospace;letter-spacing:.12em;color:#687d89;margin-top:24px}.samples{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.sample h3{font-size:22px}.sample p{font-size:14px}.mock{height:230px;border:1px solid #7793a32c;background:#10202a;padding:24px;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.mock.light{background:#dad9d1;color:#1c2e31}.mock.gold{background:#28261e;color:#c7b58c}.mock b{font-weight:400;font-size:30px;line-height:1.1;letter-spacing:-.04em}.mock small{font:9px monospace;letter-spacing:.12em;margin-bottom:18px;color:inherit}.mock .bars{display:flex;align-items:end;height:70px;gap:9px;margin-top:22px}.bars i{display:block;background:#7b9eae;width:14%;height:50%}.bars i:nth-child(2){height:70%}.bars i:nth-child(3){height:45%}.bars i:nth-child(4){height:90%}.bars i:nth-child(5){height:100%}.sample .mono{color:#718d9e;font-size:9px;margin:18px 0}.founder-art{min-height:390px;border:1px solid #677e8c38;background:linear-gradient(140deg,#1a2b36,#0b141a);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.founder-art:before{content:'';position:absolute;inset:0;background:url('/strata.svg') center/cover}.founder-art strong{font-weight:300;font-size:110px;letter-spacing:-.1em;color:#6f899a;z-index:1}.founder-label{margin-top:18px;color:#8aa4b5;font:10px monospace;letter-spacing:.1em}.quote{font-size:28px;color:#e2dfd7;line-height:1.45;letter-spacing:-.03em}.steps{border-top:1px solid #ffffff18}.step{display:grid;grid-template-columns:90px 210px 1fr;align-items:start;gap:24px;padding:34px 0;border-bottom:1px solid #ffffff18}.step .mono{color:#879fac;padding-top:9px}.step h3{margin:0;font-size:25px}.step p{margin:0;max-width:620px;font-size:15px}details{border-bottom:1px solid #ffffff20;padding:23px 0}summary{cursor:pointer;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:20px}summary:after{content:'+';color:#beaa80}details[open] summary:after{content:'−'}details p{margin:20px 0 0;max-width:720px;font-size:15px}.contact{background:#101a20}.contact h2{max-width:780px;font-size:clamp(40px,5vw,68px)}.contact .email{font-size:clamp(18px,3vw,30px);color:#c3ac80;border-bottom:1px solid #7e6d4b;display:inline-block;margin:15px 0 30px}footer{padding:65px 0 24px;background:#070c10}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}.footer-grid p{font-size:13px;max-width:290px;margin-top:20px}.footer-grid .mono{color:#657f8e;margin-bottom:22px}.footer-grid a:not(.brand){display:block;font-size:13px;color:#abb7bd;margin:10px 0}.copyright{border-top:1px solid #ffffff14;margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;font:9px monospace;letter-spacing:.1em;color:#566b77}.page-hero{padding:100px 0 65px}.page-hero h1{font-size:64px}.prose{max-width:770px}.prose h2{font-size:30px;margin-top:42px}.back{display:inline-block;margin-bottom:35px}.skip{position:absolute;top:-100px;left:20px;z-index:10;background:#fff;color:#000;padding:12px}.skip:focus{top:10px}@media(min-width:1400px){.hero{min-height:800px}}@media(max-width:800px){header{height:78px;padding:0 25px}.wrap{padding:0 25px}.menu{display:block}nav{display:none;position:absolute;top:78px;left:0;right:0;padding:30px;background:#0e181f;border-bottom:1px solid #40515c;flex-direction:column;align-items:stretch;gap:22px}nav.open{display:flex}.hero{min-height:700px}.hero .wrap{padding-top:70px;padding-bottom:65px}.hero:before{background:linear-gradient(90deg,#090f13d9, #090f1340),url('/strata.svg') center/auto 100% no-repeat}.hero h1{font-size:57px}.lead{font-size:16px}.eyebrow{font-size:9px;letter-spacing:.15em}.depth{display:none}.section{padding:74px 0}.split{grid-template-columns:1fr;gap:35px}.doors{grid-template-columns:1fr}.door{padding:30px}.door+.door{border-left:0;border-top:1px solid #72899833}.samples{grid-template-columns:1fr}.mock{height:260px}.sample{margin-bottom:20px}.step{grid-template-columns:45px 1fr;gap:16px}.step p{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{gap:18px;flex-direction:column}.hero-note{flex-direction:column;gap:14px}.founder-art{min-height:290px}.page-hero h1{font-size:48px}}@media(max-width:380px){.hero h1{font-size:46px}.button{width:100%}.hero .wrap{padding-top:50px}.wrap{padding:0 20px}.eyebrow{letter-spacing:.09em}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Reference-aligned typography and responsive refinement, 2026-10-30 */
body{font-family:'IBM Plex Sans',Arial,sans-serif;background:#080c10;line-height:1.6}h1,h2,h3,.brand,.quote{font-family:'Space Grotesk',Arial,sans-serif}h1,h2,h3{font-weight:600}h1{font-size:clamp(64px,7.5vw,108px);line-height:.99;letter-spacing:-.055em;max-width:1100px}h1 em{color:inherit}h2{font-size:clamp(34px,3.6vw,48px);line-height:1.07}h3{font-size:28px}.eyebrow,.mono,.fig,.button,.text-link,.caption,.founder-label,.copyright,.depth,.scroll-cue{font-family:'IBM Plex Mono',monospace}.wrap{max-width:1280px;padding-left:5%;padding-right:5%}header{height:76px;padding:0 5%;position:sticky;top:0;background:#080c10f2;backdrop-filter:blur(12px)}.brand{letter-spacing:.22em}.brand img{width:33px;height:33px}nav{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;gap:28px}nav a{transition:color .2s}nav a[aria-current]{color:#c3ab7a}.nav-cta{background:#518fad;border-color:#518fad;color:#08121a;padding:14px 22px}.nav-cta:hover{color:#08121a;background:#71a7bf}.hero{min-height:700px;background:#080c10}.hero:before{background:linear-gradient(90deg,#080c1066,transparent 75%),url('/strata.svg') center center/cover no-repeat}.hero .wrap{padding-top:68px;padding-bottom:94px}.lead{font-size:19px;line-height:1.55;max-width:675px}.eyebrow{letter-spacing:.24em;font-size:11px;margin-bottom:30px}.button{padding:17px 25px;font-size:11px;min-height:53px}.button.secondary{background:#518fad;color:#08121a;border-color:#518fad}.button.secondary:hover{background:#71a7bf;border-color:#71a7bf}.button span{transition:transform .2s}.button:hover span{transform:translateX(5px)}.hero-note{font-family:'IBM Plex Mono',monospace;font-size:11px;margin-top:30px}.depth{right:5%;top:140px;bottom:150px;width:120px;border-right:1px solid #60798b55;align-items:flex-end;text-align:right;justify-content:space-between;line-height:1}.depth span{writing-mode:horizontal-tb;font-size:9px;letter-spacing:.1em;padding-right:12px;position:relative}.depth span:after{content:'';position:absolute;right:0;top:4px;width:6px;height:1px;background:#60798b}.scroll-cue{position:absolute;bottom:27px;right:5%;font-size:9px;letter-spacing:.2em;color:#8195a0}.scroll-cue span{margin-left:15px}.section{padding:96px 0;position:relative}.fig{margin-bottom:36px;color:#7b8f9a;font-size:9px}.split{gap:80px}.door{padding:40px}.door .button{margin-top:auto;align-self:flex-start}.door{display:flex;flex-direction:column}.door ul{margin-top:12px;margin-bottom:28px}.door p{line-height:1.7}.sample .mock{transition:border-color .25s,transform .25s}.sample:hover .mock{border-color:#819cb0;transform:translateY(-4px)}.step{grid-template-columns:70px 220px 1fr}.contact{background:linear-gradient(145deg,#14212a,#0b1218)}.contact .actions{align-items:center}.footer-grid a:not(.brand){padding:3px 0}.menu{width:44px;height:44px;font-size:0;position:relative}.menu:before,.menu:after{content:'';position:absolute;width:23px;height:1px;background:#a5bac6;left:10px;top:17px;transition:transform .2s}.menu:after{top:25px}.menu[aria-expanded=true]:before{transform:translateY(4px) rotate(45deg)}.menu[aria-expanded=true]:after{transform:translateY(-4px) rotate(-45deg)}
@media(max-width:1100px){.depth{display:none}.hero h1{font-size:clamp(64px,8vw,90px)}}
@media(max-width:800px){header{height:76px;padding:0 20px}.wrap{padding-left:20px;padding-right:20px}nav{top:76px;padding:26px 24px;gap:10px;max-height:calc(100dvh - 76px);overflow:auto}nav a{padding:12px 0}nav .nav-cta{padding:14px 18px;text-align:center;margin-top:8px}.hero{min-height:0}.hero .wrap{padding-top:44px;padding-bottom:75px}.hero h1{font-size:clamp(40px,11.5vw,64px);line-height:1.03;letter-spacing:-.045em;margin-bottom:26px}.hero .eyebrow{font-size:10px;letter-spacing:.2em;line-height:1.8;max-width:340px;align-items:flex-start;margin-bottom:25px}.eyebrow:before{flex-shrink:0;margin-top:8px}.hero:before{background:linear-gradient(90deg,#080c1040,transparent),url('/strata.svg') 62% center/auto 100% no-repeat}.lead{font-size:18px;line-height:1.55}.actions{gap:12px;margin-top:32px}.hero .actions{flex-direction:column}.hero .button{width:100%;justify-content:center;gap:18px}.hero-note{margin-top:28px;gap:12px;font-size:11px}.hero-note .text-link{align-self:flex-start}.scroll-cue{bottom:22px;font-size:8px}.section{padding:65px 0}.fig{margin-bottom:28px}.split{gap:30px}h2{font-size:34px;line-height:1.12}.section-head{margin-bottom:35px}.door{padding:28px 24px}.door .button{width:100%;justify-content:center;gap:15px}.samples{gap:15px}.mock{height:235px}.founder-art{min-height:270px}.step{grid-template-columns:38px 1fr;gap:14px;padding:28px 0}.step h3{font-size:24px}.step p{grid-column:2}.contact .actions{align-items:flex-start;flex-direction:column}.contact .text-link{margin-top:10px}.footer-grid{gap:25px}.footer-grid a:not(.brand){min-height:36px}.page-hero h1{font-size:44px}}
@media(prefers-reduced-motion:reduce){.sample:hover .mock,.button:hover span{transform:none}}
