/* Justin Ruscheinski — V4 / Original Premium Tech Design System, 2026.
   Bespoke visuals. Zero external images, fonts, trackers or runtime dependencies. */
:root{--bg:#090e15;--ink:#f1f6fb;--muted:#9caebb;--cyan:#8ccbf3;--blue:#6baff0;--border:#2b3945;--panel:#121c26;--panel2:#172633;--w:1330px;--radius:12px;--shadow:0 15px 45px #0003;color-scheme:dark}
html{scroll-behavior:smooth}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;letter-spacing:-.005em;background:#090e15;color:var(--ink);line-height:1.58}
body:before{background:none}strong{color:inherit}a:focus-visible,button:focus-visible{outline:2px solid #8dccfa;outline-offset:4px}::selection{background:#a7d5f1;color:#07101d}
.container{width:min(calc(100% - 72px),1330px)}.topbar{display:none}.header{height:88px;display:flex;align-items:center;background:#0a1119ed;border-bottom:1px solid #2c3d4d;backdrop-filter:blur(15px)}.header .nav-inner{width:min(calc(100% - 72px),1330px);display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:13px;min-width:0}.jr-brand-mark{width:47px;height:47px;object-fit:contain;border-radius:10px;flex:none}.brand-title{font-weight:830;font-size:.82rem;color:#dbe7ef;letter-spacing:.08em;line-height:1.1;white-space:nowrap}.brand-title b{font-weight:850}.brand-sub{display:block;color:#8699a7;font-size:.56rem;letter-spacing:.19em;margin-top:7px;font-weight:660}.nav{gap:29px}.nav a{font-size:.78rem;color:#a8b8c4;font-weight:680;letter-spacing:.01em;padding:12px 0}.nav a:hover,.nav a[aria-current='page']{color:#fff}.nav a[aria-current='page']:after{background:#9ac8ee}.nav .nav-cta{background:#d9e9f5;color:#06121b;border:1px solid #e4f4ff;border-radius:7px;padding:10px 17px;white-space:nowrap}.nav .nav-cta:hover{background:#8fc7ed;color:#04111e}.menu-toggle{color:#dce8f1;border:1px solid #536475;border-radius:7px;background:#131f2a;font-size:22px;padding:6px 12px}
.btn{border-radius:6px;padding:15px 23px;font-weight:740;box-shadow:none;letter-spacing:.01em}.btn-primary{background:#bdddf3;color:#07121b;border-color:#bdddf3;box-shadow:none}.btn-primary:hover{background:#eff8ff;border-color:#eff8ff;box-shadow:none}.btn-outline{background:transparent;border-color:#526574;color:#e5f2fc}.btn-outline:hover{background:#1b2b39;border-color:#a2c4dd}
.v4-home h1,.v4-home h2,.v4-home h3{letter-spacing:-.065em}.v4-home h2{font-size:clamp(2.5rem,4.4vw,4.9rem);font-weight:760;line-height:1.08}.v4-home h2 em,.v4-home h1 em{font-style:normal;color:#9dc8eb}.v4-number{font-size:.68rem;letter-spacing:.2em;font-weight:790;color:#9cb7cb;margin:0 0 22px}.v4-number:before{content:'◆';color:#81c0ea;font-size:.55rem;margin-right:13px}.v4-hero{position:relative;background:radial-gradient(ellipse 60% 88% at 86% 57%,#15273a 0%,transparent 68%),#0b1119;border-bottom:1px solid #263541;overflow:hidden}.v4-hero:before{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(to right,#47779810 1px,transparent 1px);background-size:120px 100%;mask-image:linear-gradient(90deg,transparent,#000 55%,transparent)}.v4-hero>.container{position:relative}.hero-topline{padding:34px 0 0;display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:.67rem;letter-spacing:.16em;font-weight:720;color:#91aabb}.spark{display:inline-block;width:6px;height:6px;border-radius:2px;background:#8bc9f0;margin:0 11px 1px 0;transform:rotate(45deg)}.hero-edition{color:#647e91}.hero-grid-v4{display:grid;grid-template-columns:.98fr 1.02fr;gap:35px;align-items:center;min-height:700px;padding:58px 0 88px}.hero-left{position:relative;z-index:1}.microline{color:#aecce0;letter-spacing:.31em;font-weight:760;font-size:.74rem;margin:0 0 22px}.hero-left h1{font-size:clamp(3.4rem,5.8vw,7rem);line-height:1.03;margin:0 0 28px;font-weight:830;white-space:nowrap}.hero-left h1 em{font-size:.92em;letter-spacing:-.075em}.period{color:#fff}.hero-description{font-size:clamp(1.07rem,1.45vw,1.24rem);line-height:1.82;color:#afc0cb;max-width:540px;margin-bottom:32px}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px}.hero-actions .btn{display:inline-flex;gap:28px}.hero-text-link{font-size:.82rem;color:#c4d8e6;font-weight:680;border-bottom:1px solid #7896ad;padding-bottom:5px}.hero-text-link span{margin-left:8px}.hero-foot{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid #31404a;padding-top:26px;margin-top:61px;font-size:.62rem;font-weight:800;letter-spacing:.1em;color:#8597a5}.hero-foot b{color:#d9e8f3;margin-right:6px}.hero-right{position:relative;min-width:0;padding:25px 0 7px 2px}.visual-frame{position:relative;max-width:680px;margin-left:auto;border:1px solid #426077;border-radius:11px;background:#101f2a;overflow:hidden;box-shadow:0 35px 85px #0007}.visual-frame:before{content:'';display:block;position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px #b0ddff12}.visual-frame img{aspect-ratio:1.334;object-fit:cover;width:100%;height:auto}.frame-top,.frame-bottom{position:absolute;left:0;right:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#0c1823df;color:#9bb8ca;font-size:.64rem;letter-spacing:.12em;font-weight:740;padding:15px 19px;border-bottom:1px solid #344b5e}.frame-top{top:0}.frame-bottom{bottom:0;border-top:1px solid #344b5e;border-bottom:0}.frame-bottom .mini-bar{display:inline-block;width:25px;height:5px;background:#8cc9f4;margin-right:8px;vertical-align:middle}.tiny-dot{display:inline-block;width:7px;height:7px;background:#83bff1;border-radius:50%;margin-left:11px}.floating-note{position:absolute;left:-13%;bottom:-40px;padding:17px 21px;background:#d3e6f4;color:#081522;border-radius:7px;box-shadow:0 15px 45px #0005;transform:rotate(-3deg)}.floating-note span{display:block;font-size:.55rem;letter-spacing:.23em;font-weight:760;margin-bottom:8px}.floating-note strong{font-weight:860;font-size:.82rem;letter-spacing:.05em;line-height:1.3}.v4-ticker{border-block:1px solid #2b3845;background:#101a24}.ticker-inner{min-height:79px;display:flex;justify-content:space-between;align-items:center;gap:22px;white-space:nowrap;overflow:hidden;font-size:.67rem;letter-spacing:.15em;font-weight:800;color:#c6d8e4}.ticker-inner i{font-style:normal;color:#75a7cc}
.v4-section{padding:120px 0}.v4-work{background:#0b121a}.v4-section-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(180px,.6fr) auto;align-items:end;gap:45px;margin-bottom:52px}.v4-section-head h2{max-width:780px;margin:0}.v4-section-head>p{max-width:325px;color:#94aab9;font-size:.97rem;margin:0 0 7px}.underlined-link{white-space:nowrap;font-size:.66rem;font-weight:800;letter-spacing:.13em;color:#bfd8eb;padding-bottom:8px;border-bottom:1px solid #7895ac}.underlined-link:hover{color:#fff;border-color:#fff}.v4-featured{display:grid;grid-template-columns:1.45fr 1fr;gap:20px}.v4-feature-main,.v4-feature-small,.biz-major,.biz-compact{border:1px solid #334454;background:#111e29;border-radius:9px;overflow:hidden}.project-media{display:block;background:#0d1a26}.project-media img{width:100%;aspect-ratio:1.53;object-fit:cover;transition:transform .5s}.project-media:hover img{transform:scale(1.035)}.v4-card-body{padding:33px 35px}.meta-row{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;color:#87a7bd;font-size:.63rem;letter-spacing:.15em;font-weight:800}.label-public{background:#1e394c;border:1px solid #3d627c;color:#a8d3f1;border-radius:3px;padding:5px 8px}.v4-feature-main h3{font-size:clamp(1.8rem,2.7vw,2.55rem);margin:21px 0 14px}.v4-feature-main h3 span{font-size:.61em;color:#9bb5c8;letter-spacing:-.03em}.v4-card-body p,.v4-feature-small p{color:#9fb6c5;font-size:.93rem;line-height:1.8;max-width:620px}.v4-card-links{border-top:1px solid #304354;margin-top:21px;padding-top:19px;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.v4-card-links>a,.aside-link{color:#d9ebf9;font-size:.75rem;font-weight:760;letter-spacing:.02em}.v4-card-links>.pill-link{border:1px solid #6888a1;border-radius:4px;padding:9px 14px}.v4-card-links>a:hover,.aside-link:hover{color:#8ccaff}.v4-feature-aside{display:grid;gap:20px}.v4-feature-small{padding:20px 22px 23px}.v4-feature-small>a:first-child{display:block;overflow:hidden;border:1px solid #263f54;border-radius:6px}.v4-feature-small img{width:100%;height:204px;object-fit:cover;transition:transform .35s}.v4-feature-small a:first-child:hover img{transform:scale(1.04)}.v4-feature-small .meta-row{margin-top:22px}.v4-feature-small h3{font-size:1.5rem;margin:12px 0 6px}.v4-feature-small p{font-size:.86rem;margin:0 0 13px}.v4-feature-small small{color:#738da0;display:block;margin-top:10px;font-size:.72rem;line-height:1.5}
.v4-business{background:#101923;border-top:1px solid #2a3947;border-bottom:1px solid #2a3947}.business-bento{display:grid;grid-template-columns:1.2fr .84fr .84fr;gap:20px}.biz-major{display:grid;grid-template-rows:1fr auto}.biz-visual{min-height:260px;overflow:hidden}.biz-major img,.biz-compact img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.biz-major:hover img,.biz-compact:hover img{transform:scale(1.03)}.biz-info{padding:27px 29px 29px}.biz-info .v4-number,.biz-compact .v4-number{font-size:.59rem;margin-bottom:12px}.biz-info h3{font-size:2rem;margin:0 0 14px}.biz-info h3 span{display:block;margin-top:7px;color:#8faebf;font-size:.84rem;font-weight:530;letter-spacing:0}.biz-info p,.biz-compact p{font-size:.85rem;color:#a6bbc9;line-height:1.7}.biz-action{display:flex;justify-content:space-between;border-top:1px solid #365063;padding-top:17px;margin-top:23px;color:#d8e9f6;font-size:.65rem;letter-spacing:.1em;font-weight:780}.biz-compact img{height:270px}.biz-compact-copy{padding:25px}.biz-compact h3{font-size:1.65rem;margin:0 0 10px}.biz-compact a{display:inline-block;font-size:.64rem;letter-spacing:.1em;font-weight:750;color:#c6e1f5;margin-top:11px}.biz-compact a:hover,.biz-action:hover{color:#85c9f8}
.v4-about{background:#0c121a}.about-bento{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.about-graphic{border:1px solid #3e566d;min-height:560px;background:radial-gradient(ellipse at 65% 34%,#244158,#111f2b 60%,#0d1620);padding:27px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.about-graphic:after{content:'';position:absolute;inset:0;background:linear-gradient(45deg,transparent 43%,#b2cce50b 44%,#b2cce50b 45%,transparent 46%);pointer-events:none}.about-graphic-top,.about-graphic-bottom{position:relative;z-index:1;display:flex;justify-content:space-between;gap:10px;color:#96b6cf;font-size:.65rem;letter-spacing:.15em;font-weight:770}.about-graphic-bottom span:first-child{font-size:.95rem;font-weight:820;color:#eaf6fe}.monogram-huge{font-size:clamp(11rem,25vw,23rem);color:#d3e8f8;font-weight:850;letter-spacing:-.15em;line-height:1;text-align:center;transform:translateX(-20px);text-shadow:8px 14px 1px #4c748e55}.monogram-huge span{color:#83bfe9}.monogram-huge i{font-size:.23em;position:absolute;bottom:27%;right:9%;font-style:normal;color:#ecf8ff}.about-copy h2{margin:0 0 28px}.about-copy>p:not(.v4-number){color:#a5b9c8;font-size:1.04rem;line-height:1.88;max-width:580px}.about-qualities{border-block:1px solid #304151;margin:32px 0;padding:11px 0 18px}.about-qualities div{display:flex;align-items:center;gap:24px;padding-top:13px;font-size:.71rem;letter-spacing:.1em;color:#c9dce9;font-weight:740}.about-qualities b{color:#86c6f5}.v4-editorial{background:#101923}.journal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.journal-card{border-top:1px solid #3d566a;padding-top:18px}.journal-image{overflow:hidden;border:1px solid #344c60;border-radius:4px}.journal-image img{width:100%;aspect-ratio:1.51;object-fit:cover;transition:transform .4s}.journal-card:hover .journal-image img{transform:scale(1.04)}.journal-meta{font-size:.65rem;letter-spacing:.16em;font-weight:790;color:#88a8c0;margin:24px 0 15px}.journal-card h3{font-size:clamp(1.4rem,2vw,2.15rem);line-height:1.25;margin:0 0 30px;max-width:360px}.journal-link{font-size:.67rem;letter-spacing:.14em;color:#aad1eb;font-weight:820}.v4-connect{background:#0b1119;padding:80px 0 130px}.connect-wrap{display:grid;grid-template-columns:100px 1fr auto;gap:36px;align-items:center;border:1px solid #466079;background:radial-gradient(ellipse at top right,#1e3b54,transparent 65%),#13212e;padding:44px 52px}.connect-symbol{display:grid;place-items:center;height:91px;background:#c1e1f6;color:#102031;font-size:3.5rem;line-height:1}.connect-wrap h2{font-size:clamp(2.3rem,3.8vw,3.7rem);margin-bottom:14px}.connect-wrap p:not(.v4-number){max-width:620px;font-size:.92rem;color:#9db3c3;margin:0}
.site-footer{background:#091019;border-top:1px solid #34465a}.footer-main{padding:74px 0 60px;grid-template-columns:1.75fr repeat(3,.65fr);gap:34px}.footer-main p{color:#8299aa;max-width:370px;font-size:.85rem;line-height:1.8}.footer-intro .brand-title{font-size:.9rem}.footer-nav h4{color:#d2e2ef;font-weight:800;font-size:.65rem;letter-spacing:.16em}.footer-nav a{font-size:.83rem;color:#92acbe}.footer-github{display:inline-block;color:#aacfe9;font-size:.75rem;font-weight:750;margin-top:8px}.footer-bottom{font-size:.7rem;letter-spacing:.02em;color:#738b9c}.footer-bottom a{color:#c9deed}
/* A unified system for existing content-rich pages */
.v4-subpage .page-hero{padding:82px 0 75px;background:radial-gradient(ellipse at 86% 38%,#193042aa,transparent 66%),#0d1720;border-bottom:1px solid #324251}.v4-subpage .page-hero h1{letter-spacing:-.065em;color:#eff7fc;max-width:1000px}.v4-subpage .page-hero p{color:#9fb8c9}.v4-subpage .eyebrow{letter-spacing:.16em;font-size:.7rem;color:#a8d2ee}.v4-subpage .eyebrow:before{background:#9bbfd7}.v4-subpage .section{padding:95px 0}.v4-subpage .card,.v4-subpage .resource,.v4-subpage .panel,.v4-subpage .detail,.v4-subpage .feature,.v4-subpage .contact-form,.v4-subpage .accordion{border-radius:9px;background:#131f2b;border-color:#324858}.v4-subpage .card-illustration img{width:100%;object-fit:cover}.v4-subpage .card h3,.v4-subpage h2{letter-spacing:-.045em}.v4-subpage .section-soft{background:#101b26}.v4-subpage .github-button{border-color:#54728b;border-radius:5px}.v4-subpage .section-head>p,.v4-subpage .copy p{color:#99b1c2}.v4-subpage .filter-bar button{border-radius:5px;background:#182735;border-color:#36556f}.v4-subpage .filter-bar button[aria-pressed=true]{background:#335a75;border-color:#83c4f2}.v4-subpage .article-body p{color:#b6c7d3}.v4-subpage .article-body h2{color:#fff}.v4-subpage .contact-form input,.v4-subpage .contact-form textarea,.v4-subpage .contact-form select{border-radius:5px}.v4-subpage .cta-band{background:#15283b;border-radius:8px;border-color:#43617e}.v4-subpage .reveal{opacity:1;transform:none}
@media(max-width:1180px){.nav{gap:18px}.v4-featured{grid-template-columns:1.18fr 1fr}.business-bento{grid-template-columns:1.1fr 1fr}.biz-major{grid-row:span 2}.about-bento{gap:48px}.hero-grid-v4{min-height:650px}.hero-left h1{font-size:clamp(3.25rem,5.65vw,6.2rem)}.hero-foot{gap:15px}}
@media(max-width:900px){.header .nav-inner,.container{width:min(calc(100% - 40px),1330px)}.header{height:77px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;padding:15px 20px 24px;background:#0b1722;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid #31475c}.nav.is-open{display:flex}.nav a{padding:12px 14px;font-size:.9rem}.nav .nav-cta{margin-top:8px;text-align:center}.hero-grid-v4{grid-template-columns:1fr;min-height:0;padding:62px 0 85px;gap:60px}.hero-left h1{font-size:clamp(4.4rem,10vw,7rem)}.hero-description{max-width:750px}.hero-foot{margin-top:40px}.hero-right{width:min(760px,100%);margin:auto}.floating-note{left:2%;bottom:-32px}.v4-section-head{grid-template-columns:1fr auto;gap:22px}.v4-section-head>p{grid-row:2;max-width:580px}.v4-section-head .underlined-link{grid-column:2;grid-row:1;align-self:end}.v4-featured{grid-template-columns:1fr}.v4-feature-aside{grid-template-columns:1fr 1fr}.business-bento{grid-template-columns:repeat(2,1fr)}.biz-major{grid-column:1/-1;display:grid;grid-template-columns:1.1fr .9fr;grid-row:auto}.biz-major img{height:100%}.about-bento{grid-template-columns:1fr 1fr;gap:28px}.monogram-huge{font-size:19vw}.about-graphic{min-height:470px}.connect-wrap{grid-template-columns:70px 1fr;gap:22px}.connect-wrap .btn{grid-column:2;justify-self:start}.connect-symbol{height:75px}}
@media(max-width:650px){.container,.header .nav-inner{width:calc(100% - 34px)}.brand-title{font-size:.7rem}.brand-sub{font-size:.48rem}.jr-brand-mark{width:39px;height:39px}.v4-hero{overflow:hidden}.hero-topline{font-size:.58rem}.hero-edition{display:none}.hero-grid-v4{padding:60px 0 65px;gap:37px}.hero-left h1{font-size:clamp(2.95rem,10.5vw,5rem);letter-spacing:-.07em}.hero-left h1 em{letter-spacing:-.07em}.hero-description{font-size:1rem;line-height:1.73}.hero-actions{gap:19px}.hero-actions .btn{width:100%;justify-content:space-between}.hero-text-link{font-size:.77rem}.hero-foot{margin-top:37px;gap:12px 22px;font-size:.57rem}.hero-right{padding-top:5px}.visual-frame{border-radius:8px}.visual-frame img{aspect-ratio:1.2;object-fit:cover}.frame-top,.frame-bottom{font-size:.51rem;padding:11px}.floating-note{position:relative;left:auto;bottom:auto;transform:none;display:inline-block;margin-top:-6px;margin-left:19px;padding:12px 15px}.floating-note strong{font-size:.71rem}.ticker-inner{justify-content:flex-start;gap:20px;min-height:67px;font-size:.61rem}.v4-section{padding:82px 0}.v4-section-head{grid-template-columns:1fr;gap:15px;margin-bottom:32px}.v4-section-head h2{font-size:clamp(2.35rem,9vw,3.3rem)}.v4-section-head>p{grid-row:auto;font-size:.89rem}.v4-section-head .underlined-link{grid-row:auto;grid-column:1;justify-self:start;margin-top:5px}.v4-card-body{padding:25px 21px}.v4-feature-main h3{font-size:1.7rem}.v4-feature-main h3 span{display:block;margin-top:7px}.v4-feature-aside,.business-bento{grid-template-columns:1fr}.v4-feature-small img{height:auto;aspect-ratio:1.6}.biz-major{grid-column:1;grid-template-columns:1fr}.biz-major img{aspect-ratio:1.5;min-height:0}.biz-compact img{height:auto;aspect-ratio:1.6}.about-bento{grid-template-columns:1fr;gap:42px}.about-graphic{min-height:380px}.monogram-huge{font-size:45vw}.about-copy h2{font-size:clamp(2.4rem,10vw,3.9rem)}.journal-grid{grid-template-columns:1fr;gap:34px}.journal-card h3{font-size:1.65rem;max-width:550px;margin-bottom:18px}.connect-wrap{padding:30px 24px;grid-template-columns:1fr;gap:15px}.connect-wrap .btn{grid-column:1;justify-self:stretch}.connect-wrap h2{font-size:2.55rem}.connect-symbol{width:64px;height:64px;font-size:2.6rem}.footer-main{grid-template-columns:repeat(2,1fr);gap:34px}.footer-intro{grid-column:1/-1}.footer-bottom{display:flex;flex-wrap:wrap;gap:11px}.v4-subpage .page-hero{padding:52px 0}.v4-subpage .section{padding:70px 0}.v4-subpage .cards{grid-template-columns:1fr}.v4-subpage .resource-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}