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/* 2026-09-28 research + motion update */
.prox-logo{display:block;max-height:170px;object-fit:contain;object-position:left center;filter:drop-shadow(0 8px 20px rgba(0,174,255,.12))}.prox-art:after{content:"";position:absolute;inset:-40%;background:conic-gradient(from 180deg,transparent 0 40%,rgba(37,191,255,.08) 48%,transparent 56%);animation:sweep 10s linear infinite}.scan-line{position:absolute;left:8%;right:8%;height:1px;top:15%;z-index:1;background:linear-gradient(90deg,transparent,#24d8ff,transparent);box-shadow:0 0 16px #24d8ff;animation:scan 6s ease-in-out infinite}.math-particle{position:absolute;z-index:2;color:#4bc7ff;font-family:'Libre Baskerville',serif;opacity:.35;animation:drift 6s ease-in-out infinite}.mp1{left:14%;bottom:18%;font-size:30px}.mp2{right:13%;bottom:24%;font-size:23px;animation-delay:-2s}.mp3{right:18%;top:13%;font-size:25px;animation-delay:-4s}
.research{padding:110px 0 100px;background:linear-gradient(180deg,#f8fcff,#eef7ff);border-top:1px solid #dcecf9;border-bottom:1px solid #d5e8f8}.research-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:90px;align-items:center}.research h2{font-family:'Libre Baskerville',serif;font-size:clamp(40px,4.6vw,62px);line-height:1.08;letter-spacing:-.035em;margin:20px 0 28px}.research h2 em{color:var(--blue);font-weight:400}.research-intro>p{font-size:16px;line-height:1.8;color:var(--muted);max-width:670px}.research-note{margin-top:25px;padding:18px 20px;border-left:3px solid var(--sky);background:rgba(255,255,255,.75);font-size:12px;line-height:1.65;color:#4e6d8d}.research-visual{height:480px;display:grid;place-items:center;position:relative}.zpd-ring{border-radius:50%;display:grid;place-items:center;position:relative;box-shadow:0 20px 60px rgba(9,78,150,.08)}.zpd-ring>span{position:absolute;top:24px;font-size:8px;letter-spacing:.18em;font-weight:700}.z3{width:450px;height:450px;background:rgba(38,166,255,.08);border:1px dashed #8ed1ff;color:#4a8fc5;animation:breathe 7s ease-in-out infinite}.z2{width:315px;height:315px;background:rgba(22,124,239,.10);border:1px solid #7dbfff;color:#247cc4}.z1{width:175px;height:175px;background:linear-gradient(145deg,#0a3d7c,#0d82f6);color:white;text-align:center}.z1 span{color:#a8dbff}.z1 strong{font-family:'Libre Baskerville',serif;font-size:17px;line-height:1.35}.evidence{margin-top:75px}.evidence-head{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid #c9e1f5;padding-bottom:16px}.evidence-head span{font-size:9px;letter-spacing:.18em;font-weight:700;color:#527ba4}.evidence-head p{font-size:12px;color:#7690aa;margin:0}.paper-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.paper{min-height:180px;padding:22px;border:1px solid #cfe3f4;border-radius:14px;background:rgba(255,255,255,.72);text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:.25s ease}.paper:hover{transform:translateY(-5px);border-color:#82c7ff;box-shadow:0 18px 40px rgba(12,75,139,.09)}.paper small{font-size:7px;letter-spacing:.16em;color:#6990b6;margin-bottom:28px}.paper strong{font-family:'Libre Baskerville',serif;font-size:17px;line-height:1.35;margin-bottom:12px}.paper span{margin-top:auto;color:#5f7e9c;font-size:10px;line-height:1.5}
@keyframes scan{0%,100%{top:14%;opacity:0}20%,80%{opacity:.65}50%{top:84%}}@keyframes sweep{to{transform:rotate(360deg)}}@keyframes drift{50%{transform:translateY(-14px) rotate(8deg);opacity:.7}}@keyframes breathe{50%{transform:scale(1.025);box-shadow:0 25px 70px rgba(9,102,190,.13)}}
@media(max-width:900px){.research-grid{grid-template-columns:1fr;gap:35px}.research-visual{height:410px}.paper-grid{grid-template-columns:1fr 1fr}.prox-logo{max-height:145px}}@media(max-width:600px){.research{padding:75px 0}.research-visual{height:330px}.z3{width:310px;height:310px}.z2{width:225px;height:225px}.z1{width:135px;height:135px}.paper-grid{grid-template-columns:1fr}.evidence-head{display:block}.evidence-head p{margin-top:8px}.prox-logo{width:100%;max-height:130px}}
.hero-mark{transition:transform .35s ease-out}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none;transition:none}}
/* Final ecosystem + visual refinement */
.statement.learning-pattern{position:relative;overflow:hidden;background:linear-gradient(120deg,#061d3e 0%,#07346f 60%,#07519b 125%)}
.statement.learning-pattern:before{content:"";position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(89,181,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(89,181,255,.18) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,transparent 0%,#000 38%,#000 100%)}
.statement.learning-pattern:after{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(92,190,255,.16);border-radius:50%;right:-180px;top:-310px;box-shadow:0 0 0 80px rgba(47,180,255,.035),0 0 0 170px rgba(47,180,255,.025)}
.statement-grid{position:relative;z-index:2}.pattern-symbols{position:absolute;inset:0;z-index:1;pointer-events:none}.pattern-symbols span{position:absolute;color:#65c7ff;font-family:'Libre Baskerville',serif;opacity:.12;font-size:38px;animation:drift 8s ease-in-out infinite}.pattern-symbols span:nth-child(1){left:8%;top:24%}.pattern-symbols span:nth-child(2){left:18%;bottom:18%;animation-delay:-2s}.pattern-symbols span:nth-child(3){right:8%;top:22%;animation-delay:-4s}.pattern-symbols span:nth-child(4){right:25%;bottom:16%;animation-delay:-1s}.pattern-symbols span:nth-child(5){right:40%;top:12%;animation-delay:-5s}.pattern-symbols span:nth-child(6){left:38%;bottom:10%;animation-delay:-3s}
.mini-icon{font-size:46px;line-height:1;color:var(--blue);margin:28px 0 20px;font-weight:500;min-height:50px;display:flex;align-items:center}.principles article:nth-child(2) .mini-icon{font-size:52px}.principles article:nth-child(3) .mini-icon{font-size:48px}
.project-lead{margin-top:24px;padding-top:20px;border-top:1px solid #173a60;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center}.project-lead small{font-size:8px;letter-spacing:.16em;color:#6fa9d8}.project-lead strong{font-family:'Libre Baskerville',serif;font-size:15px}.project-lead span{font-size:10px;color:#77bff2;border:1px solid #24517d;border-radius:99px;padding:7px 10px}
.arch-node{text-decoration:none;color:inherit;transition:.25s ease}.arch-node[href]:hover{transform:translateY(-4px);border-color:#83c8ff;box-shadow:0 16px 35px rgba(13,82,151,.09)}.arch-node span{font-size:10px;line-height:1.55;color:#6f89a3;margin-top:12px}.arch-node.product span{color:#a9c9e7}.arch-node.active span{color:#557b9f}.ecosystem{margin-top:48px;padding-top:48px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.2fr .8fr;gap:45px;align-items:stretch}.ecosystem small{font-size:8px;letter-spacing:.18em;color:#6f91b2;font-weight:700}.ecosystem h3{font-family:'Libre Baskerville',serif;font-size:29px;margin:12px 0 16px}.ecosystem p{color:var(--muted);line-height:1.75;font-size:14px;max-width:650px}.sibling-card{display:flex;flex-direction:column;padding:28px;border:1px solid #cbe2f6;border-radius:18px;background:linear-gradient(145deg,#fff,#edf8ff);text-decoration:none;color:var(--ink);transition:.25s ease}.sibling-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(12,75,139,.09)}.sibling-card strong{font-family:'Libre Baskerville',serif;font-size:22px;margin:13px 0}.sibling-card p{font-size:12px}.sibling-card span{margin-top:auto;color:var(--blue);font-size:11px;font-weight:700}
@media(max-width:900px){.ecosystem{grid-template-columns:1fr}.project-lead{grid-template-columns:1fr}.project-lead span{justify-self:start}.arch-node span{margin-top:8px}}