@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{font-family:'DM Sans',Arial,sans-serif;background:#09131b;color:#e9f1f4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid #91e2ce;outline-offset:4px}.shell{width:min(1180px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-60px;left:18px;background:#91e2ce;color:#071719;padding:12px;z-index:10}.skip:focus{top:10px}.header{height:88px;border-bottom:1px solid #273941;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;font:700 13px 'Space Grotesk';letter-spacing:.08em}.brand img{border-radius:50%;object-fit:cover}.muted{color:#7d9ca5}.header nav{display:flex;align-items:center;gap:28px;font-size:13px;color:#b7c9ce}.header nav a:hover,.header-link:hover,.footer a:hover{color:#91e2ce}.header-link{color:#91e2ce;font-size:13px;font-weight:700}.hero{min-height:650px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:70px;padding-block:85px}.eyebrow,.hero-foot,.card-num,.project small{font:600 11px 'Space Grotesk';letter-spacing:.18em;color:#91e2ce}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#91e2ce;box-shadow:0 0 12px #91e2ce;margin-right:8px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:'Space Grotesk',sans-serif}h1{font-size:clamp(56px,6.5vw,96px);letter-spacing:-.07em;line-height:1.03;margin:28px 0}h1 em{font-style:normal;color:#91e2ce}h2{font-size:clamp(38px,4vw,58px);letter-spacing:-.05em;line-height:1.1;margin:16px 0}h3{font-size:24px;letter-spacing:-.03em}.lead{max-width:600px;font-size:18px;line-height:1.7;color:#afc0c8}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 70px}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;border:1px solid #5b767b;padding:16px 20px;min-width:185px;font-size:13px;font-weight:700}.btn.primary{background:#91e2ce;color:#081a1c;border-color:#91e2ce}.btn:hover{transform:translateY(-2px)}.hero-foot{color:#718e99}.hero-visual{position:relative;height:430px;display:grid;place-items:center;background:none}.ring,.ring-a,.ring-b{display:none!important}.core{width:clamp(200px,22vw,280px);height:clamp(200px,22vw,280px);padding:0;border:none;box-shadow:none;display:grid;place-items:center;background:transparent}.core img{width:100%;height:100%;object-fit:contain;border-radius:0;filter:drop-shadow(0 0 35px rgba(52,216,255,.45))}.hero-visual>span{position:absolute;bottom:5px;color:#8aafa9;font:600 10px 'Space Grotesk';letter-spacing:.2em}.section{padding-block:100px;scroll-margin-top:10px}.alt{background:#10202a;border-block:1px solid #1f3941}.heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:42px}.heading>p{max-width:330px;color:#9fb4bd;line-height:1.6;font-size:13px}.cards{display:grid;gap:16px}.three{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:repeat(2,1fr)}.card{border:1px solid #2c4850;background:#142832;padding:30px;min-height:245px;display:flex;flex-direction:column}.card h3{margin:28px 0 13px}.card p{color:#aec0c8;font-size:14px;line-height:1.7;max-width:480px}.project{min-height:260px}.project small{margin-top:auto}.profile{display:grid;grid-template-columns:1fr 1fr;gap:100px}.profile p{color:#afc0c8;line-height:1.7}.profile .large{font-size:19px;color:#d0dce0}.text-link{color:#91e2ce;font-weight:700;font-size:13px}.profile .source{font-size:11px;color:#7e9ba5;margin-top:30px}.contact{text-align:center;max-width:760px}.contact p:not(.eyebrow){color:#afc0c8;line-height:1.7}.contact .btn{margin-top:22px}.footer{display:flex;justify-content:space-between;border-top:1px solid #273941;padding-block:28px;color:#8ca5ae;font-size:12px}@media(max-width:800px){.header{height:auto;min-height:80px;flex-wrap:wrap;padding-block:16px}.header nav{order:3;width:100%;overflow-x:auto;white-space:nowrap;gap:18px;padding-top:10px}.header-link{margin-left:auto}.hero{grid-template-columns:1fr;gap:0;padding-block:65px}.hero-visual{height:320px;max-width:400px;width:100%;margin:auto}.section{padding-block:72px}.heading{display:block}.three,.two,.profile{grid-template-columns:1fr}.profile{gap:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}

/* Convolutional neural network backdrop */
#neural-background{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.85}
body>.header,body>main,body>.footer{position:relative;z-index:1}
.alt{background:rgba(16,32,42,.88)}
.card{background:rgba(20,40,50,.94)}
.hero-copy{position:relative;z-index:1}
@media(prefers-reduced-motion:reduce){#neural-background{opacity:.5}}

/* JeiKei Design System v2, nebula theme */
:root{--neo-accent:#34d8ff;--neo-bg:#02040a;--neo-surface:#0b0f14;--neo-glow:rgba(52,216,255,.35);--neo-muted:#4a5b7c;background:var(--neo-bg)}
body{background:var(--neo-bg)}
.eyebrow,.card-num,.project small,.header-link,.text-link{color:var(--neo-accent)}
h1 em{color:var(--neo-accent)}
.alt{background:rgba(11,15,20,.76)}
.card{border-radius:20px;background:linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);box-shadow:0 12px 38px rgba(0,0,0,.2);transition:border-color .3s,box-shadow .3s,transform .3s}
.card:hover{border-color:rgba(52,216,255,.5);box-shadow:0 0 30px rgba(52,216,255,.16);transform:translateY(-3px)}
.btn.primary{background:var(--neo-accent);border-color:var(--neo-accent);color:#02040a;box-shadow:0 0 20px -5px var(--neo-glow)}
.btn.primary:hover{box-shadow:0 0 35px var(--neo-glow)}
.btn.secondary{background:rgba(255,255,255,.04);backdrop-filter:blur(20px);border-color:rgba(255,255,255,.15)}
.dot{background:var(--neo-accent);box-shadow:0 0 12px var(--neo-accent)}
.core{border:none;box-shadow:none;background:transparent}
@media(prefers-reduced-motion:reduce){.card:hover{transform:none}}

.profile-intro{max-width:360px;color:#9fb4bd;line-height:1.7}.profile h3{font-size:19px;margin:30px 0 12px}.resume-list{list-style:none;padding:0;margin:0;border-top:1px solid #2c4850}.resume-list li{padding:14px 0;border-bottom:1px solid #2c4850}.resume-list strong,.resume-list span{display:block}.resume-list strong{font-family:'Space Grotesk',sans-serif;color:#e9f1f4;font-size:14px}.resume-list span{margin-top:5px;color:#9fb4bd;font-size:13px;line-height:1.5}
.resume-list li p{font-size:13px;line-height:1.6;color:#afc0c8;margin:8px 0 0}.section-note{margin:30px 0 0;color:#9fb4bd;line-height:1.6}.profile-detail{max-width:800px;margin-top:46px}.profile-detail h3{margin:30px 0 10px}.profile-detail p{color:#afc0c8;line-height:1.7}.contact-actions{justify-content:center;margin:25px 0}.contact .source{font-size:11px;color:#7e9ba5}.portfolio-hero{min-height:570px}
.header nav .portfolio-nav{color:var(--neo-accent,#91e2ce);font-weight:700}

/* Three-dimensional logo orbits on the company landing page. */
body:not(.portfolio-page) .hero-visual{perspective:900px;transform-style:preserve-3d;isolation:isolate;overflow:visible;background:none}
body:not(.portfolio-page) .hero-visual::before{display:none!important}
body:not(.portfolio-page) .hero-visual .ring{display:none!important}
body:not(.portfolio-page) .hero-visual .core{position:relative;z-index:2;transform:translateZ(90px);box-shadow:none;background:transparent;border:none}
body:not(.portfolio-page) .hero-visual>span{z-index:3}

/* Navigation dropdown */
.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-dropdown-btn{background:transparent;border:none;color:#b7c9ce;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:6px;padding:6px 0;transition:color .2s ease}
.header nav .nav-dropdown-btn:hover,.nav-dropdown:hover .nav-dropdown-btn,.nav-dropdown:focus-within .nav-dropdown-btn,.nav-dropdown.is-open .nav-dropdown-btn{color:var(--neo-accent,#34d8ff)}
.nav-caret{font-size:9px;line-height:1;transition:transform .25s ease;display:inline-block;opacity:.8}
.nav-dropdown:hover .nav-caret,.nav-dropdown:focus-within .nav-caret,.nav-dropdown.is-open .nav-caret{transform:rotate(180deg);color:var(--neo-accent,#34d8ff)}
.nav-dropdown-menu{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);min-width:260px;background:rgba(11,15,20,.95);border:1px solid rgba(255,255,255,.14);border-radius:14px;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);padding:8px;box-shadow:0 18px 45px rgba(0,0,0,.65),0 0 25px rgba(52,216,255,.12);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:150}
.nav-dropdown-menu::before{content:'';position:absolute;top:-14px;left:0;right:0;height:14px}
.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu,.nav-dropdown.is-open .nav-dropdown-menu{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-dropdown-item{display:flex;flex-direction:column;gap:3px;padding:12px 14px;border-radius:10px;color:#e9f1f4;text-decoration:none;transition:background .2s ease,transform .2s ease;border:1px solid transparent}
.nav-dropdown-item:hover{background:rgba(52,216,255,.1);border-color:rgba(52,216,255,.2);transform:translateX(3px);color:#fff}
.nav-dropdown-item .item-title{font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:space-between}
.nav-dropdown-item .item-title::after{content:'↗';font-size:12px;color:var(--neo-accent,#34d8ff);opacity:.85}
.nav-dropdown-item .item-desc{font-size:11px;color:#8da6b0;font-weight:400;line-height:1.4}
.nav-dropdown-item:hover .item-title{color:var(--neo-accent,#34d8ff)}

/* Product page */
.product-hero{min-height:calc(100vh - 180px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-block:80px;position:relative;z-index:1}
.product-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(52,216,255,.08);border:1px solid rgba(52,216,255,.25);border-radius:999px;font:600 11px 'Space Grotesk',sans-serif;letter-spacing:.14em;color:var(--neo-accent,#34d8ff);margin-bottom:20px}
.product-title{font-size:clamp(56px,8vw,104px);letter-spacing:-.06em;line-height:1;margin:12px 0 24px;font-family:'Space Grotesk',sans-serif;color:#fff}
.product-title span{color:var(--neo-accent,#34d8ff)}
.product-card{border-radius:20px;background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(20px);padding:32px 36px;max-width:680px;margin:24px 0}
.product-card p{color:#afc0c8;font-size:16px;line-height:1.7;margin:0}

@media(max-width:800px){
  .header nav{overflow:visible;flex-wrap:wrap;padding-bottom:6px}
  .nav-dropdown-menu{left:0;transform:translateY(8px)}
  .nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu,.nav-dropdown.is-open .nav-dropdown-menu{transform:translateY(0)}
}