/* WEB R6C-B · site visual migration. Static and framework-free; matches web-main design tokens. */
:root{color-scheme:dark;--bg:#070b15;--bg2:#0c1322;--surface:#111a2a;--surface2:#151f31;--stroke:#26334a;--ink:#f2f7ff;--muted:#aab8cb;--accent:#62e1d5;--accent2:#ad9aff;--shadow:0 22px 70px rgba(0,0,0,.24)}
:root[data-theme="light"]{color-scheme:light;--bg:#f4f8fe;--bg2:#fff;--surface:#fff;--surface2:#eef3fb;--stroke:#c8d3e4;--ink:#132037;--muted:#4b607b;--accent:#006d70;--accent2:#5042b4;--shadow:0 22px 70px rgba(34,53,85,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(ellipse at 70% -12%,rgba(92,101,221,.14),transparent 36%),var(--bg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}img{max-width:100%;height:auto}a{color:inherit}button,input{font:inherit;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.skip-link{position:absolute;top:-70px;left:16px;padding:10px;background:var(--ink);color:var(--bg);z-index:100}.skip-link:focus{top:12px}.site-shell{max-width:1500px;margin:auto;padding:0 clamp(20px,4vw,68px)}
.topbar{display:flex;gap:30px;align-items:center;justify-content:space-between;min-height:100px;border-bottom:1px solid var(--stroke)}.identity{display:flex;align-items:center;gap:14px;text-decoration:none;white-space:nowrap}.identity-mark{font-size:1.6rem;font-weight:850;letter-spacing:-.06em}.accent-mark{color:var(--accent)}.identity-name{font-size:.72rem;letter-spacing:.12em;font-weight:800}.identity-divider{color:var(--accent);margin:0 3px}.topnav{display:flex;align-items:center;gap:clamp(12px,2vw,32px)}.topnav a{text-decoration:none;font-size:.87rem;color:var(--muted);font-weight:650}.topnav a:hover,.footer a:hover{color:var(--accent)}.theme-toggle{border:1px solid var(--stroke);border-radius:28px;background:var(--surface);min-height:44px;padding:8px 14px;cursor:pointer;white-space:nowrap}.theme-toggle:hover{border-color:var(--accent)}
.section-pad{padding:clamp(56px,7vw,120px) 0}.eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:850}.signal-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent);margin-right:8px}.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(350px,.85fr);align-items:center;gap:clamp(38px,6vw,105px);min-height:670px}.hero h1{font-size:clamp(2.65rem,5vw,5.1rem);line-height:1.09;letter-spacing:-.062em;margin:24px 0}.gradient-text{color:var(--accent);background:linear-gradient(110deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:640px;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:31px 0 34px}.action{display:inline-flex;align-items:center;gap:14px;min-height:48px;padding:12px 22px;border-radius:7px;font-size:.9rem;text-decoration:none;font-weight:800}.action.primary{background:var(--accent);color:var(--bg);border:1px solid var(--accent)}.action.secondary{background:transparent;border:1px solid var(--stroke);color:var(--ink)}.action:hover{border-color:var(--accent);filter:brightness(1.08)}.hero-facts{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.7rem;font-weight:750;letter-spacing:.06em}.hero-facts span{border:1px solid var(--stroke);border-radius:50px;padding:6px 10px}
.hero-feature{min-width:0;background:radial-gradient(circle at 50% 20%,rgba(65,95,165,.25),transparent 57%),linear-gradient(150deg,var(--surface2),var(--surface));border:1px solid var(--stroke);border-radius:22px;padding:clamp(24px,3vw,40px);box-shadow:var(--shadow)}.feature-top,.feature-footer{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.65rem;font-weight:850;letter-spacing:.12em}.core-emblem{display:block;width:min(65%,256px);margin:28px auto 14px;filter:drop-shadow(0 0 30px rgba(124,115,255,.3))}.hero-feature h2{font-size:clamp(1.65rem,3vw,2.55rem);line-height:1.15;letter-spacing:-.04em;margin:10px 0}.accent-text{color:var(--accent)}.hero-feature p{color:var(--muted);font-size:.9rem}.feature-footer{border-top:1px solid var(--stroke);margin-top:26px;padding-top:16px}.value-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}.value-strip>div{padding:27px 15px 27px 5px;display:grid;gap:2px;border-right:1px solid var(--stroke)}.value-strip>div:last-child{border:0}.value-index{color:var(--accent);font-size:.7rem;font-weight:800}.value-strip strong{font-size:1.1rem}.value-strip small{color:var(--muted)}
.content-section{border-bottom:1px solid var(--stroke)}.section-head{max-width:970px;margin-bottom:40px}.section-head h2,.closing h2{font-size:clamp(2.2rem,4.5vw,4.4rem);line-height:1.15;letter-spacing:-.05em;margin:14px 0 19px}.section-intro{max-width:770px;font-size:1.08rem;color:var(--muted)}.portfolio-tools{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;border:1px solid var(--stroke);background:var(--surface);border-radius:12px;padding:18px}.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}.filter-tab{min-height:43px;border:1px solid var(--stroke);border-radius:7px;background:transparent;padding:9px 17px;cursor:pointer;font-size:.84rem}.filter-tab[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:rgba(98,225,213,.07)}.filter-tab:hover{border-color:var(--accent)}.search-control{display:grid;gap:4px;color:var(--muted);font-size:.72rem;font-weight:700}.search-control input{width:min(330px,75vw);min-height:43px;padding:10px 14px;border:1px solid var(--stroke);background:var(--bg2);border-radius:7px}.search-control input::placeholder{color:var(--muted)}.results-caption{margin:20px 0;color:var(--muted);font-size:.85rem}.cards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.project-card,.principles-grid article{min-width:0;border:1px solid var(--stroke);background:linear-gradient(155deg,var(--surface2),var(--surface));border-radius:15px;padding:clamp(24px,2.5vw,34px)}.project-card .card-kicker,.principle-index{display:block;color:var(--accent);font-weight:800;font-size:.7rem;letter-spacing:.13em}.project-card h3,.principles-grid h3{font-size:1.45rem;line-height:1.25;margin:14px 0}.project-card p,.principles-grid p{color:var(--muted)}.project-card .card-status{display:inline-block;margin-top:18px;border:1px solid var(--stroke);border-radius:30px;padding:5px 12px;font-size:.76rem;color:var(--accent)}.empty-state{max-width:930px;margin:14px auto 0;text-align:center;border:1px dashed var(--stroke);border-radius:16px;background:radial-gradient(circle at 50% 0,rgba(98,225,213,.05),transparent 60%),var(--surface);padding:clamp(30px,5vw,68px)}.empty-symbol{width:76px;height:76px;display:grid;place-items:center;margin:0 auto;border:1px solid var(--stroke);border-radius:20px;font-size:2.5rem;color:var(--accent)}.empty-state h3{font-size:1.5rem;letter-spacing:-.03em}.empty-state p{color:var(--muted);max-width:620px;margin:0 auto 15px}.empty-footnote{font-size:.75rem;color:var(--muted)}.hidden{display:none!important}
.timeline{display:grid;gap:20px}.timeline-item{position:relative;display:grid;grid-template-columns:minmax(125px,.25fr) 1fr;gap:30px;padding:23px 24px;border-left:3px solid var(--accent);background:var(--surface);border-radius:0 12px 12px 0}.timeline-item time{color:var(--accent);font-size:.83rem;font-weight:750}.timeline-item h3{margin:0 0 9px}.timeline-item p{color:var(--muted);margin:0}.timeline-placeholder{display:flex;justify-content:center;align-items:center;gap:33px;height:80px}.timeline-placeholder span{width:18px;height:18px;border:2px solid var(--accent);border-radius:50%;position:relative}.timeline-placeholder span:not(:last-child):after{content:"";position:absolute;left:18px;top:7px;width:33px;border-top:1px dashed var(--stroke)}.principles-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.branding-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px}.branding-grid>div{display:grid;justify-items:center;gap:9px;padding:15px 9px;border:1px solid var(--stroke);background:var(--surface);border-radius:12px;color:var(--muted);font-size:.78rem;text-align:center}.branding-grid img{width:72px;height:72px;object-fit:contain}.closing{text-align:center;max-width:840px;margin:0 auto}.closing p:not(.eyebrow){color:var(--muted)}.closing .action{margin-top:17px}.footer{padding:34px 0 45px;display:flex;align-items:flex-start;justify-content:space-between;gap:30px;color:var(--muted);border-top:1px solid var(--stroke)}.footer strong{font-size:1.45rem;color:var(--ink)}.footer p{font-size:.78rem}.footer-note{max-width:390px;font-size:.82rem}.footer a{text-decoration:none;white-space:nowrap;font-size:.85rem}
@media(max-width:1160px){.topbar{flex-wrap:wrap;padding:20px 0}.topnav{order:3;width:100%}.hero{grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:30px}.branding-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:790px){.hero{grid-template-columns:1fr;min-height:0}.hero-feature{max-width:570px}.value-strip{grid-template-columns:repeat(2,1fr)}.value-strip>div:nth-child(2){border-right:0}.value-strip>div:nth-child(-n+2){border-bottom:1px solid var(--stroke)}.cards-grid,.principles-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.branding-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:560px){.identity-name{font-size:.62rem}.topnav{gap:14px;overflow-x:auto;padding-bottom:8px}.topnav a{white-space:nowrap}.theme-label{display:none}.hero-feature{padding:22px}.value-strip strong{font-size:1rem}.cards-grid,.principles-grid{grid-template-columns:1fr}.branding-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.timeline-item{grid-template-columns:1fr;gap:9px}.footer{flex-direction:column}.section-pad{padding:65px 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}@media(prefers-reduced-motion:no-preference){.project-card,.principles-grid article{transition:border-color .18s,transform .18s}.project-card:hover,.principles-grid article:hover{border-color:var(--accent);transform:translateY(-3px)}}