:root{
  --navy:#071a33;--navy2:#0d2747;--blue:#2e74ff;--cyan:#6ed7ff;--ink:#172235;
  --muted:#64748b;--line:#dce6f2;--soft:#f4f8fc;--white:#fff;--green:#0f9f74;
  --shadow:0 18px 50px rgba(9,30,66,.10);--radius:20px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:86px 0}.section-alt{background:var(--soft)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,242,.85)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;flex:none;display:inline-block;background:transparent url("brand/polavect-mark.svg") center / contain no-repeat}.brand-mark:after{content:none}.site-footer .brand-mark{background-image:url("brand/polavect-mark-light.svg")}.brand-text{line-height:1}.brand-text strong{display:block;letter-spacing:.11em;font-size:17px;color:var(--navy)}.brand-text small{font-size:9px;letter-spacing:.32em;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650;color:#3a475b}.nav-links a:hover,.nav-links a.active{color:var(--blue)}.nav-cta{padding:10px 16px;border-radius:999px;background:var(--navy);color:white!important}.menu-toggle{display:none;border:0;background:none;font-size:24px}
.hero{background:linear-gradient(120deg,var(--navy) 0%,#0a2342 60%,#103560 100%);color:white;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to right,transparent,black 55%,black)}.hero-inner{min-height:620px;display:grid;grid-template-columns:.92fr 1.08fr;gap:46px;align-items:center;position:relative}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.17em;color:#90c8ff;margin:0 0 14px}.eyebrow.dark{color:var(--blue)}h1,h2,h3{font-family:Manrope,Inter,ui-sans-serif,system-ui,sans-serif;line-height:1.12;margin:0;color:inherit}h1{font-size:clamp(42px,5.4vw,70px);letter-spacing:-.045em}h1 span{color:#9fd5ff}h2{font-size:clamp(30px,3.5vw,46px);letter-spacing:-.035em;color:var(--navy)}h3{font-size:21px;color:var(--navy)}.hero-lead{font-size:18px;color:#c9d8e9;max-width:690px;margin:24px 0 30px}.hero-actions,.cta-row{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:10px;font-size:14px;font-weight:750;border:1px solid transparent;transition:.2s}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(46,116,255,.28)}.btn-secondary{border-color:rgba(255,255,255,.35);color:white;background:rgba(255,255,255,.04)}.btn-light{background:white;color:var(--navy)}.hero-points{display:flex;gap:22px;margin-top:32px;color:#c3d2e5;font-size:13px;flex-wrap:wrap}.hero-points span:before{content:"✓";color:#76e1b8;margin-right:7px}.hero-media{position:relative;width:100%}.hero-media img{width:100%;filter:drop-shadow(0 28px 48px rgba(0,0,0,.25))}.image-note{font-size:11px;color:#8da0b8;margin-top:8px;text-align:center}
.page-hero{padding:82px 0 68px;background:linear-gradient(120deg,#f6f9fd,#eaf3ff);border-bottom:1px solid var(--line)}.page-hero .grid{display:grid;grid-template-columns:1fr .72fr;align-items:center;gap:60px}.page-hero h1{color:var(--navy);font-size:clamp(40px,5vw,62px)}.page-hero h1 span{color:var(--blue)}.page-hero p.lead{font-size:18px;color:#55657a;max-width:720px}.crumbs{font-size:12px;color:#758399;margin-bottom:14px}.crumbs a{color:var(--blue)}
.section-heading{max-width:780px;margin-bottom:38px}.section-heading p:last-child{color:var(--muted);font-size:17px}.split-heading{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:end}.split-heading>p{color:var(--muted)}
.product-grid,.application-grid,.capability-grid,.component-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card,.app-card,.cap-card,.component-card{border:1px solid var(--line);border-radius:var(--radius);background:white;overflow:hidden;box-shadow:0 6px 24px rgba(12,37,69,.04);transition:.22s}.product-card:hover,.component-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bfd3ef}.card-image{background:linear-gradient(145deg,#eff6ff,#f9fbfe);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}.card-image img{width:100%;height:100%;object-fit:cover}.card-body{padding:24px}.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:15px}.chip{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--blue);background:#eaf2ff;border-radius:999px;padding:6px 9px}.grade{font-size:11px;color:var(--muted)}.card-body p{color:var(--muted);font-size:14px}.spec-preview{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:20px 0}.spec-preview div{padding:13px 8px}.spec-preview div+div{border-left:1px solid var(--line)}.spec-preview span{font-size:11px;color:var(--muted);display:block}.spec-preview strong{font-size:12px;color:var(--navy)}.text-link{font-size:13px;font-weight:800;color:var(--blue)}
.capability-grid{grid-template-columns:repeat(4,1fr)}.cap-card,.app-card{padding:25px}.cap-icon,.app-icon{width:42px;height:42px;border-radius:12px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:16px}.cap-card p,.app-card p,.component-card p{font-size:14px;color:var(--muted)}.forms-band{margin-top:25px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;background:white}.forms-band div{padding:20px}.forms-band div+div{border-left:1px solid var(--line)}.forms-band strong,.forms-band span{display:block}.forms-band strong{font-size:12px;color:var(--blue);text-transform:uppercase;letter-spacing:.08em}.forms-band span{font-size:13px;color:#536176;margin-top:5px}
.application-grid{grid-template-columns:repeat(3,1fr)}.application-grid .app-card{min-height:210px}.component-grid{grid-template-columns:repeat(3,1fr)}.component-card .card-body{padding:22px}
.tech-wrap{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:white}.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);background:#f7fafe}.tab{padding:15px 20px;border:0;border-right:1px solid var(--line);background:none;font-weight:800;color:#64748b;cursor:pointer}.tab.active{background:white;color:var(--blue)}.tab-panel{display:none;padding:24px}.tab-panel.active{display:block}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid #e8eef5;white-space:nowrap}th{background:#f8fafc;color:#415066;font-size:11px;text-transform:uppercase;letter-spacing:.06em}td:first-child{font-weight:700;color:#324056}.note{font-size:12px;color:#728096;margin-top:14px}.download-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff;margin-top:24px}.download-card p{margin:4px 0 0;color:var(--muted);font-size:13px}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.key-list{display:grid;gap:12px}.key-item{display:grid;grid-template-columns:155px 1fr;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.key-item span{color:var(--muted)}.key-item strong{color:var(--navy)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.feature-list div{padding:15px;border:1px solid var(--line);border-radius:12px;background:#fafcff;font-size:13px}.feature-list strong{display:block;color:var(--navy);margin-bottom:4px}.feature-list span{color:var(--muted)}
.rfq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}.rfq-intro p{color:var(--muted)}.rfq-highlights{display:grid;gap:15px;margin:25px 0}.rfq-highlights div{border-left:3px solid var(--blue);padding-left:13px}.rfq-highlights strong,.rfq-highlights span{display:block}.rfq-highlights span{font-size:13px;color:var(--muted)}.rfq-form{background:white;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label{font-size:12px;font-weight:750;color:#475569}.form-grid input,.form-grid select,.form-grid textarea{width:100%;margin-top:6px;border:1px solid #cfd9e6;border-radius:9px;padding:11px 12px;font:inherit;font-size:13px;color:#1f2937;background:white}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:2px solid rgba(46,116,255,.15);border-color:var(--blue)}.full{grid-column:1/-1}.file-field{border:1px dashed #b8c8db!important;background:#f8fbff!important}.form-note{font-size:11px;color:#7a8799}.success{display:none;margin-top:15px;padding:14px;border-radius:10px;background:#eaf8f2;color:#087854;font-size:13px}.success.show{display:block}
.cta-band{background:linear-gradient(115deg,var(--navy),#113b6c);color:white;border-radius:26px;padding:45px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-band h2{color:white;font-size:34px}.cta-band p{color:#c9d7e8;max-width:650px}.site-footer{background:#071628;color:#aebed1;padding:58px 0 25px;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:45px}.site-footer h4{color:white;font-size:12px;text-transform:uppercase;letter-spacing:.09em}.site-footer a{display:block;font-size:13px;margin:8px 0}.site-footer a:hover{color:white}.footer-brand p{font-size:13px;max-width:380px}.legal{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:#7f92a8}.placeholder-badge{display:inline-flex;align-items:center;gap:7px;font-size:10px;color:#718096;background:#f1f5f9;padding:5px 8px;border-radius:999px;margin-top:10px}.placeholder-badge:before{content:"●";color:#f59e0b}.architecture-map{display:grid;gap:12px}.architecture-node{display:grid;grid-template-columns:180px 1fr;gap:20px;border:1px solid var(--line);border-radius:14px;padding:18px;background:white}.architecture-node strong{color:var(--navy)}.architecture-node span{color:var(--muted);font-size:13px}
@media(max-width:900px){.hero-inner,.page-hero .grid,.product-detail,.rfq-layout,.split-heading{grid-template-columns:1fr}.hero-inner{padding:65px 0}.hero-media{max-width:640px}.product-grid,.application-grid,.component-grid{grid-template-columns:1fr 1fr}.capability-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.forms-band{grid-template-columns:1fr}.forms-band div+div{border-left:0;border-top:1px solid var(--line)}}
@media(max-width:690px){.container{width:min(100% - 28px,var(--max))}.menu-toggle{display:block}.nav-links{position:absolute;top:76px;left:0;right:0;background:white;padding:18px 20px;border-bottom:1px solid var(--line);display:none;flex-direction:column;align-items:stretch;gap:14px}.nav-links.open{display:flex}.product-grid,.application-grid,.component-grid,.capability-grid,.footer-grid,.form-grid,.feature-list{grid-template-columns:1fr}.section{padding:62px 0}.hero-inner{min-height:auto}.spec-preview{grid-template-columns:1fr}.spec-preview div+div{border-left:0;border-top:1px solid var(--line)}.cta-band{align-items:flex-start;flex-direction:column}.architecture-node{grid-template-columns:1fr}.page-hero{padding:58px 0}.page-hero .grid{gap:30px}}


.real-photo-note{display:inline-flex;align-items:center;gap:7px;font-size:10px;color:#526276;background:#edf4ff;padding:6px 9px;border-radius:999px;margin-top:10px}
.real-photo-note:before{content:"●";color:#2e74ff}
.page-hero-photo{background:white;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:16px}
.page-hero-photo img{width:100%;border-radius:14px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery-card{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 6px 20px rgba(12,37,69,.05)}
.gallery-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}
.gallery-card .caption{padding:14px 16px 16px}
.gallery-card strong{display:block;font-size:14px;color:var(--navy);margin-bottom:4px}
.gallery-card span{font-size:12px;color:var(--muted)}
.hero-media-card{background:rgba(255,255,255,.08);padding:18px;border-radius:24px;border:1px solid rgba(255,255,255,.16)}
.hero-media-card img{border-radius:16px}
.section-kicker{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--blue);text-transform:uppercase}
@media(max-width:900px){.gallery-grid{grid-template-columns:1fr 1fr}}
@media(max-width:690px){.gallery-grid{grid-template-columns:1fr}}


.hero-carousel{background:rgba(255,255,255,.08);padding:20px;border-radius:26px;border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 48px rgba(0,0,0,.18);width:100%}
.hero-carousel-track{position:relative;min-height:565px}
.hero-slide{display:none;animation:fadeHero .55s ease}
.hero-slide.active{display:block}
.hero-slide img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;border-radius:18px;filter:drop-shadow(0 18px 36px rgba(0,0,0,.18))}
.hero-carousel-controls{display:flex;justify-content:center;gap:10px;margin-top:16px}
.hero-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0;transition:.2s}
.hero-dot.active{background:#8fd0ff;transform:scale(1.15)}
@keyframes fadeHero{from{opacity:.45;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}


/* V0.7 homepage carousel caption treatment — captions sit below images */
.hero-slide{position:relative;border-radius:18px}
.slide-overlay{position:static;display:grid;grid-template-columns:1fr auto;grid-template-areas:"family forms" "position forms";column-gap:22px;align-items:center;padding:15px 4px 2px;color:white;background:transparent;border:0;box-shadow:none;max-width:none}
.slide-family{grid-area:family;font-size:19px;font-weight:850;letter-spacing:-.02em;line-height:1.15}
.slide-position{grid-area:position;margin-top:5px;font-size:12px;font-weight:750;color:#a9d7ff;line-height:1.35}
.slide-forms{grid-area:forms;margin:0;font-size:11px;letter-spacing:.04em;color:#d7e5f4;text-align:right;white-space:nowrap}
@media(max-width:690px){.slide-overlay{grid-template-columns:1fr;grid-template-areas:"family" "position" "forms";row-gap:4px;padding:12px 2px 0}.slide-family{font-size:16px}.slide-position{font-size:11px;margin-top:0}.slide-forms{font-size:10px;text-align:left;white-space:normal}.hero-carousel-track{min-height:auto}.hero-slide img{aspect-ratio:4/3}}


/* V0.9 page beautification */
.page-hero-photo.soft-frame{background:linear-gradient(145deg,#ffffff,#f3f7fc);padding:18px;border-radius:24px}
.page-hero-photo.soft-frame img{background:#fff;object-fit:cover;aspect-ratio:4/3}
.media-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.media-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 28px rgba(12,37,69,.06)}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#fff}
.media-card-body{padding:18px 20px 20px}
.media-card-body p{margin:8px 0 0;color:var(--muted);font-size:14px}
.media-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:#eaf2ff;padding:6px 10px;border-radius:999px;margin-bottom:12px}
.media-chip:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.two-col-feature{display:grid;grid-template-columns:1.03fr .97fr;gap:30px;align-items:center;padding:30px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,#fff,#f9fbfe);box-shadow:0 8px 28px rgba(12,37,69,.05)}
.two-col-feature.reverse{grid-template-columns:.97fr 1.03fr}
.two-col-feature h3{font-size:30px;margin-bottom:12px}
.two-col-feature p{color:var(--muted);font-size:15px;margin:0 0 18px}
.info-list{display:grid;gap:12px;margin-top:16px}
.info-list div{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.info-list strong{display:block;color:var(--navy);font-size:14px}
.info-list span{display:block;color:var(--muted);font-size:13px;line-height:1.5}
.info-badge{min-width:34px;height:34px;border-radius:10px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:12px}
.material-overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:24px}
.material-mini-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 24px rgba(12,37,69,.05)}
.material-mini-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:linear-gradient(145deg,#f7fbff,#fff)}
.material-mini-card .inner{padding:16px 18px 18px}
.material-mini-card p{margin:8px 0 0;color:var(--muted);font-size:13px}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pill-row span{font-size:11px;font-weight:800;letter-spacing:.04em;color:#4b5d76;background:#f1f6fb;border:1px solid #d7e3f1;border-radius:999px;padding:7px 10px}
.keypoints-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}
.keypoint{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fbfdff}
.keypoint strong{display:block;margin-bottom:6px;color:var(--navy)}
.keypoint p{margin:0;color:var(--muted);font-size:13px}
.app-showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:32px}
.app-showcase-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 28px rgba(12,37,69,.06)}
.app-showcase-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.app-showcase-card .content{padding:18px 20px 20px}
.app-showcase-card p{margin:8px 0 0;color:var(--muted);font-size:14px}
.caption-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.caption-pill{padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.caption-pill strong{display:block;color:var(--navy);margin-bottom:4px}
.caption-pill span{font-size:13px;color:var(--muted)}
@media(max-width:900px){.media-card-grid,.material-overview-grid,.app-showcase-grid,.keypoints-grid,.caption-grid{grid-template-columns:1fr 1fr}.two-col-feature,.two-col-feature.reverse{grid-template-columns:1fr}}
@media(max-width:690px){.media-card-grid,.material-overview-grid,.app-showcase-grid,.keypoints-grid,.caption-grid{grid-template-columns:1fr}.two-col-feature{padding:20px}}


/* V1.0 visual consistency refinements */
.page-hero-photo.soft-frame{overflow:hidden}
.page-hero-photo.soft-frame img{transition:transform .45s ease}
.page-hero-photo.soft-frame:hover img{transform:scale(1.015)}
.media-card,.app-showcase-card,.material-mini-card{transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.media-card:hover,.app-showcase-card:hover,.material-mini-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(12,37,69,.10);border-color:#bfd3ef}
.media-card-body h3,.app-showcase-card .content h3,.material-mini-card h3{font-size:20px}
.application-grid .app-card,.capability-grid .cap-card{transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.application-grid .app-card:hover,.capability-grid .cap-card:hover{transform:translateY(-3px);border-color:#bfd3ef;box-shadow:0 12px 30px rgba(12,37,69,.07)}
.tech-wrap{box-shadow:0 8px 26px rgba(12,37,69,.05)}
.table-wrap tbody tr:hover{background:#fbfdff}
.page-hero .pill-row{margin-top:24px}
@media(max-width:690px){.page-hero .pill-row{margin-top:18px}.media-card-body h3,.app-showcase-card .content h3,.material-mini-card h3{font-size:18px}}

/* V1.3 technical data emphasis */
.qm-highlight td{background:#fff6df!important;font-weight:750;color:#26364d}