:root{color-scheme:dark;--bg:oklch(0.145 0.028 232);--bg-2:oklch(0.19 0.034 232);--panel:oklch(0.235 0.036 232);--panel-2:oklch(0.275 0.04 232);--line:oklch(0.42 0.06 220 / .72);--line-soft:oklch(0.35 0.05 220 / .45);--ink:oklch(0.95 0.012 210);--muted:oklch(0.78 0.035 220);--quiet:oklch(0.62 0.04 225);--electric:oklch(0.84 0.18 188);--volt:oklch(0.86 0.18 132);--danger:oklch(0.72 0.2 25);--radius:8px;--font-sans:'Nunito Sans','Aptos',sans-serif;--font-mono:'Azeret Mono','SFMono-Regular',monospace;--ease-spring:cubic-bezier(.2,1.28,.32,1);--ease-out:cubic-bezier(.16,1,.3,1)}
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.hero{min-height:calc(100dvh - 72px);display:grid;grid-template-columns:minmax(0,.84fr) minmax(360px,1.16fr);align-items:center;gap:clamp(2rem,6vw,7rem);padding:clamp(3rem,7vw,6rem) 0 clamp(2rem,4vw,4rem)}.hero-copy{max-width:760px}.kicker{display:inline-flex;margin:0 0 1rem;padding:.35rem .65rem;border:1px solid var(--line);border-radius:var(--radius);color:var(--electric);font:600 .78rem var(--font-mono)}h1,h2,h3,p{margin-top:0}h1{margin-bottom:1rem;font-size:clamp(3.4rem,8vw,6rem);line-height:.95;letter-spacing:0;text-wrap:balance}h2{font-size:clamp(2rem,4.6vw,4.6rem);line-height:1;letter-spacing:0;text-wrap:balance}h3{line-height:1.14;letter-spacing:0}.hero-sub{max-width:58ch;color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.28rem)}.hero-actions,.card-actions,.modal-actions,.purchase-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.button{min-height:44px;border-radius:var(--radius);border:1px solid var(--line);padding:.76rem 1rem;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:900;white-space:nowrap}.button.primary{background:var(--electric);color:oklch(0.13 0.035 230);border-color:var(--electric)}.button.secondary{background:transparent;color:var(--ink)}.button.compact{min-height:40px;padding:.62rem .75rem;font-size:.92rem}.hero-visual{position:relative;min-height:560px;display:grid;grid-template-columns:1fr .36fr;align-items:end}.structural-card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,oklch(0.24 0.04 232),oklch(0.17 0.028 232));overflow:hidden}.hero-photo-card{aspect-ratio:4/3;transform:translateY(-24px)}.beam-card{align-self:stretch;margin-left:-18px;margin-top:92px;border:1px solid var(--electric);border-radius:var(--radius);display:grid;align-content:space-between;padding:1rem .75rem;color:var(--electric);font:600 .72rem var(--font-mono);background:oklch(0.13 0.04 232 / .88)}.beam-card span{writing-mode:vertical-rl;justify-self:center;letter-spacing:0}
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.assurance{display:grid;grid-template-columns:.76fr 1fr;gap:clamp(1.5rem,5vw,5rem);align-items:center;padding:clamp(3rem,7vw,6rem) 0}.assurance-media{aspect-ratio:5/4;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.assurance-copy p{color:var(--muted);max-width:70ch}.system-grid{margin-top:1.6rem;display:grid;grid-template-columns:1.1fr .9fr;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}.system-grid div{min-height:138px;padding:1rem;background:var(--bg-2);display:grid;align-content:space-between}.system-grid div:first-child{grid-row:span 2}.system-grid strong{color:var(--ink);font-size:1.15rem}.system-grid span{color:var(--muted)}.lab-strip{display:grid;grid-template-columns:1.35fr .8fr 1fr;gap:1rem;padding:1rem 0 clamp(3rem,7vw,6rem)}.lab-strip figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}.lab-strip figure:nth-child(2){transform:translateY(42px)}
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.about{padding:clamp(3rem,7vw,7rem) 0;display:grid;grid-template-columns:1fr .7fr;gap:2rem;align-items:stretch}.about-panel{border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.2rem,4vw,3rem);background:var(--bg-2)}.about-panel p{color:var(--muted);max-width:76ch}.about-lines{border:1px solid var(--line-soft);border-radius:var(--radius);display:grid;grid-template-columns:repeat(4,1fr);min-height:300px;overflow:hidden}.about-lines span{border-right:1px solid var(--line-soft);background:linear-gradient(180deg,transparent,oklch(0.82 0.18 188 / .12))}.about-lines span:nth-child(2){transform:translateY(44px)}.about-lines span:nth-child(3){transform:translateY(-28px);background:linear-gradient(180deg,oklch(0.86 0.18 132 / .14),transparent)}.site-footer{width:min(1460px,calc(100% - 32px));margin:0 auto;padding:2rem 0 2.5rem;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:1rem;color:var(--muted)}.site-footer strong{color:var(--ink)}.footer-actions{display:flex;flex-wrap:wrap;gap:.6rem;align-content:start;justify-content:flex-end}.footer-actions button,.text-button{border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--bg-2);color:var(--ink);min-height:40px;padding:.5rem .75rem}.text-button{color:var(--electric)}.live-region,.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
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.checkout-shell{width:min(1040px,calc(100vw - 28px))}.checkout-header{display:grid;gap:1rem}.checkout-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.checkout-steps li{border:1px solid var(--line-soft);border-radius:var(--radius);padding:.5rem;color:var(--muted);text-align:center}.checkout-steps li.active,.checkout-steps li.complete{border-color:var(--electric);color:var(--electric)}.checkout-panel{padding:1.2rem 1.4rem}.form-grid,.card-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}.form-grid label,.card-fields label{display:grid;gap:.35rem}.form-grid label:nth-child(4),.form-grid label:nth-child(5),.form-grid label:nth-child(9){grid-column:1/-1}.method-list,.payment-grid{display:grid;gap:.75rem}.method-card,.payment-card{border:1px solid var(--line-soft);border-radius:var(--radius);padding:.85rem;background:var(--bg-2);display:flex;gap:.75rem;align-items:center;justify-content:space-between}.method-card span{display:grid;gap:.2rem}.method-card small{color:var(--muted)}.payment-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.payment-card{justify-content:flex-start;min-height:62px}.card-fields{margin-top:1rem}.form-error{margin:0 1.4rem 1rem;color:oklch(0.92 0.12 35);background:oklch(0.25 0.08 30);border:1px solid var(--danger);border-radius:var(--radius);padding:.75rem}.review-layout{display:grid;grid-template-columns:1fr 320px;gap:1rem}.review-items{display:grid;gap:.75rem}.review-line{display:grid;grid-template-columns:82px 1fr auto;gap:.7rem;align-items:center;border:1px solid var(--line-soft);border-radius:var(--radius);padding:.65rem;background:var(--bg-2)}.review-line img{aspect-ratio:4/3;border-radius:6px}.review-line div{display:grid;gap:.15rem}.review-summary{border:1px solid var(--line-soft);border-radius:var(--radius);padding:1rem;background:var(--bg-2);align-self:start}.review-summary p{color:var(--muted)}.review-summary dl{display:grid;gap:.55rem;margin:1rem 0 0}.review-summary dl div{display:flex;justify-content:space-between;gap:1rem}.review-summary .total{border-top:1px solid var(--line-soft);padding-top:.7rem;color:var(--volt);font-size:1.15rem;font-weight:900}.confirmation{min-height:300px;display:grid;align-content:center;justify-items:start}.confirmation p{color:var(--muted);max-width:62ch}.lightbox{width:min(1100px,calc(100vw - 28px))}.lightbox-shell{padding:3.9rem 1rem 1rem;overflow:hidden}.lightbox-frame{position:relative;width:min(900px,100%);margin:0 auto;display:grid;grid-template-columns:54px minmax(0,1fr) 54px;align-items:center;gap:.75rem}.lightbox-frame img{max-height:calc(100dvh - 190px);min-height:280px;object-fit:contain;border:1px solid var(--line);border-radius:var(--radius);background:oklch(0.11 0.026 232)}.image-step{width:48px;height:48px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);color:var(--ink);font-size:2rem;line-height:1}#lightboxCaption{text-align:center;margin:.8rem auto 0;color:var(--muted);font:500 .82rem var(--font-mono)}.policy-shell{padding:3.6rem 1.4rem 1.4rem;max-width:780px}.policy-shell p{color:var(--muted)}[data-reveal]{opacity:1;transform:none}
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@media (max-width:980px){.hero,.assurance,.about,.quick-shell,.review-layout{grid-template-columns:1fr}.hero{min-height:auto;padding-top:2.5rem}.hero-visual{grid-template-columns:1fr;min-height:auto}.hero-photo-card{transform:none}.beam-card{margin:.75rem 0 0;grid-template-columns:repeat(4,1fr);min-height:74px}.beam-card span{writing-mode:horizontal-tb;align-self:center}.assurance-copy,.quick-info{padding:0}.quick-gallery{padding-top:3.4rem}.catalog-tools{grid-template-columns:1fr;position:static}.lab-strip{grid-template-columns:1fr}.lab-strip figure:nth-child(2){transform:none}}@media (max-width:720px){.site-header{align-items:flex-start;flex-direction:column;min-height:auto}.nav{width:100%;overflow-x:auto;padding-bottom:.2rem}.section-shell,.site-footer{width:min(100% - 24px,1460px)}h1{font-size:clamp(2.7rem,16vw,4rem)}.system-grid,.form-grid,.card-fields,.checkout-steps{grid-template-columns:1fr}.system-grid div:first-child{grid-row:auto}.product-grid{grid-template-columns:1fr}.site-footer{flex-direction:column}.footer-actions{justify-content:flex-start}.cart-line{grid-template-columns:76px 1fr}.cart-line label,.cart-line .text-button{grid-column:2}.review-line{grid-template-columns:72px 1fr}.review-line b{grid-column:2}.lightbox-frame{grid-template-columns:42px minmax(0,1fr) 42px;gap:.35rem}.image-step{width:42px;height:42px}.modal-actions{justify-content:stretch}.modal-actions .button{flex:1 1 auto}}