/* REX UPDATE 20 — BOARD WINDOWS / CONFIGURATOR */
.board20-intro{padding:82px 0 44px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:80px;align-items:end}
.board20-intro h2{font-size:clamp(38px,5vw,68px);line-height:.94;letter-spacing:-.045em;margin:12px 0 24px}
.board20-intro p{font-size:15px;line-height:1.8;color:#656565;max-width:720px}
.board20-note{border-left:2px solid #ed1c24;padding:4px 0 4px 22px;font-size:13px;line-height:1.65;color:#777}
.board20-profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:90px}
.board20-profile-card{display:flex;flex-direction:column;border:1px solid #e5e5e5;background:#fff;color:#111;text-decoration:none;min-width:0;transition:transform .25s ease,box-shadow .25s ease}
.board20-profile-card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(0,0,0,.08)}
.board20-profile-thumb{height:310px;background:#f5f5f2;display:grid;place-items:center;padding:26px;overflow:hidden}
.board20-profile-thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.board20-profile-copy{padding:25px 25px 28px;display:grid;grid-template-columns:1fr auto;gap:8px 20px;align-items:end}
.board20-profile-copy small{grid-column:1/-1;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#999}
.board20-profile-copy h3{margin:0;font-size:26px;letter-spacing:-.035em}.board20-profile-copy span{font-size:12px;color:#777}.board20-profile-copy b{font-size:18px;color:#ed1c24}
.board20-config-cta{margin:0 auto 92px;background:#111416;color:#fff;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;padding:38px 44px}
.board20-config-cta h2{margin:7px 0 8px;font-size:clamp(28px,4vw,48px);letter-spacing:-.04em}.board20-config-cta p{margin:0;color:#b7b7b7;line-height:1.65;max-width:650px}.board20-config-cta .primary-btn{white-space:nowrap}
.board20-tech{padding:78px 0 30px;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:70px;align-items:center}
.board20-tech h2{font-size:clamp(38px,5vw,66px);line-height:.96;letter-spacing:-.05em;margin:12px 0 24px}.board20-tech p{font-size:15px;color:#666;line-height:1.8}.board20-tech-visual{background:#f5f5f2;min-height:480px;display:grid;place-items:center;padding:45px}.board20-tech-visual img{max-width:100%;max-height:420px;object-fit:contain;mix-blend-mode:multiply}
.board20-specs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #ddd;border-left:1px solid #ddd;margin:25px 0 80px}.board20-spec{padding:22px;border-right:1px solid #ddd;border-bottom:1px solid #ddd}.board20-spec small{display:block;text-transform:uppercase;letter-spacing:.13em;font-size:9px;color:#a0a0a0;margin-bottom:10px}.board20-spec strong{font-size:17px}
.board20-accordions{padding:0 0 90px;display:grid;grid-template-columns:.72fr 1.28fr;gap:80px}.board20-accordions-head h2{font-size:clamp(34px,4vw,54px);line-height:1;letter-spacing:-.045em;margin:8px 0 18px}.board20-accordions-head p{color:#777;line-height:1.7}.rex20-accordion{border-top:1px solid #d9d9d9}.rex20-accordion details{border-bottom:1px solid #d9d9d9}.rex20-accordion summary{list-style:none;cursor:pointer;padding:22px 46px 22px 0;font-weight:700;font-size:18px;position:relative}.rex20-accordion summary::-webkit-details-marker{display:none}.rex20-accordion summary:after{content:'+';position:absolute;right:4px;top:18px;font-size:27px;font-weight:300}.rex20-accordion details[open] summary:after{content:'–'}.rex20-accordion .answer{padding:0 40px 24px 0;color:#656565;line-height:1.75;font-size:14px}.rex20-accordion .answer ul{margin:8px 0 0;padding-left:20px}.rex20-accordion .answer li{margin:7px 0}
.window-configurator{padding:82px 0 95px;background:#f3f1ed}.window-configurator .shell{display:grid;grid-template-columns:minmax(320px,.95fr) minmax(0,1.05fr);gap:80px;align-items:center}.config-copy h2{font-size:clamp(38px,5vw,64px);line-height:.96;letter-spacing:-.05em;margin:9px 0 20px}.config-copy p{color:#666;line-height:1.75;max-width:600px}.config-preview-wrap{background:#fff;min-height:480px;display:grid;place-items:center;padding:45px;box-shadow:0 25px 70px rgba(0,0,0,.07)}
.rex-window{--frame:#fff;--grain:none;width:min(430px,90%);aspect-ratio:1.25;display:grid;grid-template-columns:1fr 1fr;gap:18px;background:var(--frame);background-image:var(--grain);padding:28px;box-shadow:0 18px 40px rgba(0,0,0,.14), inset 0 0 0 2px rgba(0,0,0,.14);transition:.25s}.rex-pane{position:relative;background:linear-gradient(145deg,#b7d1dd,#eef6f8 45%,#9fbfc9);box-shadow:inset 0 0 0 8px color-mix(in srgb,var(--frame) 92%,#000 8%)}.rex-pane:after{content:'';position:absolute;inset:15%;background:linear-gradient(115deg,transparent 20%,rgba(255,255,255,.7) 21%,rgba(255,255,255,.18) 27%,transparent 28%);transform:skewX(-8deg)}
.config-current{display:flex;align-items:center;gap:12px;margin:28px 0 14px;font-size:13px}.config-current i{width:28px;height:28px;border-radius:50%;background:var(--current,#fff);border:1px solid #ccc}.config-swatches{display:grid;grid-template-columns:repeat(6,42px);gap:12px}.color-swatch{width:42px;height:42px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #c9c9c9;cursor:pointer;background:var(--c);position:relative}.color-swatch.is-active{box-shadow:0 0 0 2px #ed1c24}.color-swatch.wood{background-color:var(--c);background-image:repeating-linear-gradient(12deg,rgba(255,255,255,.08) 0 2px,rgba(0,0,0,.11) 2px 4px)}.config-disclaimer{font-size:11px!important;color:#909090!important;margin-top:18px!important}
.board20-home-config{background:#111416;color:#fff;margin-top:0;padding:54px 0}.board20-home-config .shell{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px}.board20-home-config h2{font-size:clamp(29px,4vw,50px);margin:5px 0 9px;letter-spacing:-.045em}.board20-home-config p{margin:0;color:#aaa;line-height:1.6}.board20-home-config .outline-btn{color:#fff;border-color:#fff;white-space:nowrap}
.board20-door-profile .board20-profile-thumb{height:260px}
@media(max-width:900px){.board20-intro,.board20-tech,.board20-accordions,.window-configurator .shell{grid-template-columns:1fr;gap:35px}.board20-profile-grid{grid-template-columns:1fr}.board20-profile-thumb{height:280px}.board20-specs{grid-template-columns:1fr 1fr}.board20-config-cta,.board20-home-config .shell{grid-template-columns:1fr}.config-swatches{grid-template-columns:repeat(6,38px)}.color-swatch{width:38px;height:38px}.config-preview-wrap{min-height:360px;padding:28px}.board20-tech-visual{min-height:350px}.board20-tech{padding-top:50px}.board20-accordions{padding-bottom:65px}}
@media(max-width:560px){.board20-intro{padding-top:52px}.board20-specs{grid-template-columns:1fr}.config-swatches{grid-template-columns:repeat(5,38px)}.board20-config-cta{padding:28px 24px}.board20-tech-visual{padding:25px}.rex-window{padding:19px;gap:12px}.board20-home-config{padding:38px 0}}