:root{--ink:#0a0c0f;--paper:#f3f0e9;--white:#fffdf9;--gold:#c9a84c;--muted:#9da29d;--line:rgba(255,255,255,.16);--serif:'Playfair Display',Georgia,serif;--sans:'DM Sans',Arial,sans-serif;--mono:'DM Mono',monospace;--max:1440px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.55}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a{cursor:pointer}.v4-shell{overflow:hidden}.v4-header{position:fixed;z-index:30;top:0;left:0;right:0;height:78px;padding:0 clamp(22px,4vw,72px);display:flex;align-items:center;justify-content:space-between;color:#fff;background:linear-gradient(180deg,rgba(10,12,15,.9),rgba(10,12,15,0));transition:background .3s}.v4-header__logo{width:132px;filter:brightness(0) invert(1)}.v4-header nav{display:flex;gap:30px;margin-left:auto;margin-right:28px}.v4-header nav a{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#d7d9d4}.v4-header nav a:hover,.v4-header nav a[aria-current=page]{color:var(--gold)}.v4-header__cta{border:1px solid var(--gold);color:#fff;padding:10px 16px;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.v4-menu{display:none;background:none;border:0;color:#fff}.v4-mobile-menu{display:none}
.v4-hero{min-height:96vh;background:var(--ink);color:#fff;position:relative;display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.35fr);align-items:end;padding:140px clamp(22px,6vw,100px) 70px}.v4-hero:before{content:'PENTHIA / SYSTEMS FOR SHARED SPACE';position:absolute;top:120px;left:clamp(22px,6vw,100px);color:var(--gold);font:11px var(--mono);letter-spacing:.12em}.v4-hero__copy{max-width:620px;position:relative;z-index:1}.eyebrow{font:11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}h1,h2,h3,p{margin-top:0}.v4-hero h1{font-size:clamp(52px,8vw,132px);font-weight:500;line-height:.94;letter-spacing:-.07em;margin:18px 0 30px}.display-serif{font-family:var(--serif);font-style:italic;font-weight:500}.v4-hero__lead{color:#c3c6c1;font-size:clamp(17px,1.6vw,22px);max-width:480px}.v4-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.v4-button{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border:1px solid var(--gold);text-transform:uppercase;letter-spacing:.1em;font-size:11px;transition:transform .2s,background .2s}.v4-button--gold{background:var(--gold);color:var(--ink)}.v4-button--ghost{color:#fff}.v4-button:hover{transform:translateY(-2px)}.v4-hero__visual{height:min(74vh,760px);position:relative;margin-bottom:-70px}.v4-hero__visual:after{content:'VERTEX ELITE';position:absolute;right:0;bottom:18px;font:10px var(--mono);letter-spacing:.2em;color:var(--gold);writing-mode:vertical-rl}.v4-hero__visual img{width:100%;height:100%;object-fit:cover;object-position:center;border-left:1px solid rgba(255,255,255,.18)}
.v4-rail{border-top:1px solid currentColor;padding:18px 0;display:flex;justify-content:space-between;gap:24px;font:11px var(--mono);letter-spacing:.12em;text-transform:uppercase}.v4-intro{background:var(--paper);padding:clamp(90px,12vw,180px) clamp(22px,10vw,160px);display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(42px,10vw,180px);align-items:end}.v4-intro h2{font-size:clamp(40px,6vw,88px);line-height:.98;letter-spacing:-.06em;font-weight:500}.v4-intro__copy{max-width:540px;font-size:20px;color:#4a514b}.v4-intro__copy p:last-child{font-size:14px;margin-top:32px;color:#737873}
.v4-dark{background:var(--ink);color:#fff;padding:clamp(90px,11vw,170px) clamp(22px,6vw,100px)}.v4-dark__head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:54px}.v4-dark h2{font-size:clamp(40px,6vw,88px);font-weight:500;line-height:.95;letter-spacing:-.06em;max-width:700px}.v4-dark__head p{max-width:330px;color:#abb1aa}.v4-lineup{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.v4-lineup__item{min-height:510px;padding:20px 18px 26px;border-right:1px solid var(--line);display:flex;flex-direction:column;position:relative;overflow:hidden;transition:background .3s}.v4-lineup__item:last-child{border-right:0}.v4-lineup__item:hover{background:#15191c}.v4-lineup__item img{width:calc(100% + 36px);height:310px;object-fit:cover;margin:20px -18px 26px;filter:saturate(.75)}.v4-lineup__item h3{font-size:31px;letter-spacing:-.05em;margin:0 0 12px;font-weight:500}.v4-lineup__item p{color:#aeb3ae;font-size:14px;max-width:260px}.v4-lineup__item .v4-link{margin-top:auto;color:var(--gold);font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em}.v4-number{font:11px var(--mono);color:var(--gold)}
.v4-story{display:grid;grid-template-columns:1fr 1fr;min-height:680px;background:#d9d1c2}.v4-story__image{min-height:520px;background:#111}.v4-story__image img{width:100%;height:100%;object-fit:cover}.v4-story__copy{padding:clamp(60px,8vw,130px) clamp(26px,7vw,110px);align-self:center}.v4-story h2{font-size:clamp(42px,5vw,78px);line-height:.95;letter-spacing:-.06em;font-weight:500}.v4-story p{max-width:490px;color:#4e554f;font-size:18px}.v4-specs{background:#161a1d;color:#fff;padding:clamp(80px,10vw,150px) clamp(22px,6vw,100px)}.v4-specs__intro{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:52px}.v4-specs h2{font-size:clamp(40px,5vw,74px);font-weight:500;line-height:.95;letter-spacing:-.06em;margin:0}.v4-specs__intro p{max-width:360px;color:#a9afa8}.v4-spec-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.v4-spec-grid div{padding:21px 16px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.v4-spec-grid div:nth-child(4n){border-right:0}.v4-spec-grid dt{font:10px var(--mono);color:var(--gold);text-transform:uppercase;letter-spacing:.12em}.v4-spec-grid dd{font-size:21px;margin:14px 0 0;color:#f5f3ed}.v4-cta{background:var(--gold);padding:clamp(70px,10vw,150px) clamp(22px,10vw,160px);display:flex;align-items:end;justify-content:space-between;gap:50px}.v4-cta h2{font-size:clamp(44px,7vw,110px);line-height:.9;letter-spacing:-.07em;font-weight:500;max-width:750px}.v4-cta p{max-width:330px;font-size:18px}.v4-footer{background:#080a0c;color:#d6d8d2;padding:55px clamp(22px,6vw,100px) 28px}.v4-footer__top{display:flex;justify-content:space-between;gap:30px;align-items:start}.v4-footer__logo{width:120px;filter:brightness(0) invert(1)}.v4-footer nav{display:flex;gap:22px;flex-wrap:wrap;font-size:12px;color:#9da29d}.v4-footer__bottom{border-top:1px solid var(--line);margin-top:70px;padding-top:18px;display:flex;justify-content:space-between;color:#777d77;font:10px var(--mono)}
.v4-page-hero{background:var(--ink);color:#fff;padding:170px clamp(22px,8vw,130px) 90px;min-height:470px;display:flex;align-items:end;justify-content:space-between;gap:40px}.v4-page-hero h1{font-size:clamp(52px,8vw,120px);font-weight:500;line-height:.9;letter-spacing:-.07em;margin:14px 0 0}.v4-page-hero p{max-width:390px;color:#b7bdb6;font-size:17px}.v4-discovery{padding:80px clamp(22px,6vw,100px)}.v4-discovery__tools{display:flex;justify-content:space-between;align-items:center;gap:22px;border-bottom:1px solid #afb1ab;padding-bottom:22px;margin-bottom:0}.v4-search{border:0;border-bottom:1px solid #838981;background:transparent;padding:13px 0;min-width:280px;outline:none}.v4-product-row{display:grid;grid-template-columns:110px 1fr 1fr 170px;gap:22px;align-items:center;border-bottom:1px solid #b5b6b0;padding:18px 0;transition:padding .25s}.v4-product-row:hover{padding-left:14px;padding-right:14px;background:#ebe7df}.v4-product-row img{width:100%;height:115px;object-fit:cover}.v4-product-row h2{font-size:29px;letter-spacing:-.05em;margin:0 0 6px;font-weight:500}.v4-product-row p{font-size:14px;color:#59605a;margin:0}.v4-product-row__meta{display:flex;gap:20px;flex-wrap:wrap;font:11px var(--mono);color:#58605a}.v4-product-row__cta{text-align:right;color:#906f1c;font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.v4-compare{padding:80px clamp(22px,6vw,100px)}.v4-compare-tabs{display:flex;gap:0;border-bottom:1px solid #9ea39c;overflow:auto}.v4-compare-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:16px 20px;font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em;white-space:nowrap}.v4-compare-tabs button.is-active{border-color:var(--gold);color:#8e6d1d}.v4-compare-panel{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;padding:60px 0}.v4-compare-panel[hidden]{display:none}.v4-compare-panel h2{font-size:clamp(42px,5vw,78px);font-weight:500;line-height:.95;letter-spacing:-.06em}.v4-compare-panel figure{margin:0;height:430px;background:#ddd5c6}.v4-compare-panel img{width:100%;height:100%;object-fit:cover}.v4-facts{border-top:1px solid #b0b1aa}.v4-fact{display:grid;grid-template-columns:180px 1fr;padding:18px 0;border-bottom:1px solid #b0b1aa}.v4-fact dt{font:10px var(--mono);text-transform:uppercase;color:#7c6120;letter-spacing:.08em}.v4-fact dd{margin:0;font-size:18px}.v4-about{padding:90px clamp(22px,10vw,160px)}.v4-about__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1200px}.v4-about h2{font-size:clamp(42px,5vw,78px);font-weight:500;line-height:.95;letter-spacing:-.06em}.v4-about p{font-size:18px;color:#4f574f}.v4-about__list{border-top:1px solid #aeb0a9}.v4-about__list div{border-bottom:1px solid #aeb0a9;padding:22px 0;display:flex;justify-content:space-between;gap:20px}.v4-about__list strong{font-size:19px;font-weight:500}.v4-about__list span{max-width:340px;color:#596159;font-size:14px}.v4-faq{max-width:900px;margin:80px auto;padding:0 22px}.faq-item{border-top:1px solid #afb1ab}.faq-item:last-child{border-bottom:1px solid #afb1ab}.faq-item button{width:100%;background:none;border:0;padding:22px 0;text-align:left;display:flex;justify-content:space-between;font-size:18px}.faq-item button span{color:#9d7b24}.faq-item__answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-item.is-open .faq-item__answer{max-height:240px}.faq-item__answer p{padding:0 35px 22px 0;color:#596159;font-size:15px}
.v4-contact{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - 80px);background:var(--ink);color:#fff}.v4-contact__aside{padding:170px clamp(22px,8vw,120px) 80px;border-right:1px solid var(--line)}.v4-contact h1{font-size:clamp(50px,7vw,110px);line-height:.9;letter-spacing:-.07em;font-weight:500}.v4-contact__aside p{max-width:390px;color:#b0b7b0;font-size:18px}.v4-contact__form{padding:170px clamp(22px,8vw,120px) 80px;background:var(--paper);color:var(--ink)}.v4-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.v4-form-field{display:flex;flex-direction:column;gap:8px}.v4-form-field--full{grid-column:1/-1}.v4-form-field label{font:10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#6e756d}.v4-form-field input,.v4-form-field textarea,.v4-form-field select{border:0;border-bottom:1px solid #969b94;background:transparent;padding:10px 0;outline:0}.v4-form-field textarea{min-height:130px;resize:vertical}.v4-form-submit{margin-top:32px;border:0;background:var(--ink);color:#fff;padding:16px 24px;font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em}.v4-thanks{display:none;align-items:center;justify-content:center;min-height:300px}.v4-thanks.is-visible{display:flex}.v4-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease var(--reveal-delay),transform .7s ease var(--reveal-delay)}.v4-reveal.is-visible{opacity:1;transform:none}
@media(max-width:900px){.v4-header nav,.v4-header__cta{display:none}.v4-menu{display:block}.v4-mobile-menu{display:flex;position:fixed;inset:78px 0 0;background:var(--ink);z-index:29;padding:30px 22px;flex-direction:column;gap:22px;transform:translateX(100%);transition:transform .3s}.menu-open .v4-mobile-menu{transform:none}.v4-mobile-menu a{font-size:32px;color:#fff}.v4-hero{grid-template-columns:1fr;min-height:auto;padding-top:150px}.v4-hero__visual{height:54vh;margin-top:55px;margin-bottom:-70px}.v4-intro,.v4-story,.v4-compare-panel,.v4-contact{grid-template-columns:1fr}.v4-lineup{grid-template-columns:1fr 1fr}.v4-lineup__item:nth-child(2){border-right:0}.v4-lineup__item:nth-child(-n+2){border-bottom:1px solid var(--line)}.v4-spec-grid{grid-template-columns:1fr 1fr}.v4-spec-grid div:nth-child(2n){border-right:0}.v4-product-row{grid-template-columns:76px 1fr;gap:14px}.v4-product-row__meta{grid-column:2}.v4-product-row__cta{grid-column:2;text-align:left}.v4-compare-panel figure{order:-1}.v4-contact__aside{border-right:0;border-bottom:1px solid var(--line)}.v4-contact__form{padding-top:80px}.v4-story__image{min-height:400px}}
@media(max-width:540px){.v4-header{height:68px}.v4-header__logo{width:112px}.v4-hero{padding:125px 20px 60px}.v4-hero:before{top:100px;left:20px;font-size:9px}.v4-hero h1{font-size:58px}.v4-hero__visual{height:50vh;margin-left:-20px;margin-right:-20px}.v4-intro,.v4-dark,.v4-specs,.v4-discovery,.v4-compare,.v4-about{padding-left:20px;padding-right:20px}.v4-dark__head,.v4-specs__intro,.v4-footer__top,.v4-footer__bottom{display:block}.v4-lineup{grid-template-columns:1fr}.v4-lineup__item{border-right:0!important;border-bottom:1px solid var(--line)!important;min-height:auto;padding-bottom:28px}.v4-lineup__item img{height:280px}.v4-spec-grid{grid-template-columns:1fr 1fr}.v4-spec-grid dd{font-size:16px}.v4-cta{display:block;padding-left:20px;padding-right:20px}.v4-cta p{margin-top:35px}.v4-product-row{grid-template-columns:64px 1fr}.v4-product-row img{height:84px}.v4-product-row h2{font-size:22px}.v4-product-row p{font-size:13px}.v4-product-row__meta{font-size:9px}.v4-search{min-width:0;width:100%}.v4-discovery__tools{display:block}.v4-form-grid{grid-template-columns:1fr}.v4-form-field--full{grid-column:auto}.v4-contact__aside,.v4-contact__form{padding-left:20px;padding-right:20px}.v4-fact{grid-template-columns:110px 1fr}.v4-footer nav{margin-top:30px}.v4-footer__bottom{line-height:2}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.v4-reveal{opacity:1;transform:none}}
.ai-intro-icon{width:42px;height:42px;overflow:hidden;flex:0 0 42px}.ai-intro-icon img{width:100%;height:100%;object-fit:cover}.ai-intro-banner{position:fixed;right:24px;bottom:24px;z-index:6999;max-width:360px;display:flex;gap:12px;padding:16px;background:#11161b;color:#fff;border:1px solid rgba(201,168,76,.5);box-shadow:0 18px 60px rgba(0,0,0,.35)}.ai-intro-banner:not(.show){display:none}.ai-intro-body{font-size:12px}.ai-intro-actions{display:flex;gap:10px;margin-top:10px}.ai-intro-close{position:absolute;right:6px;top:5px;background:none;border:0;color:#fff}.ai-intro-try,.ai-intro-dismiss{border:0;padding:6px 9px;font-size:10px}.ai-intro-try{background:var(--gold)}.ai-intro-dismiss{background:transparent;color:#fff}
.v4-link{color:#8e6d1d;font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.k-doc{max-width:900px;margin:0 auto;padding:150px 22px 110px}.k-doc__h1{font-size:clamp(52px,8vw,100px);line-height:.9;font-weight:500;letter-spacing:-.07em;margin:0 0 60px}.k-doc__h2{font-size:32px;line-height:1;margin:62px 0 18px;letter-spacing:-.04em}.k-doc__h3{font-size:19px;margin:38px 0 10px}.k-doc__p{color:#4f574f;max-width:720px}.k-doc__list{color:#4f574f;padding-left:20px}.legal-page{background:var(--paper)}.legal-page .v4-header{background:var(--ink)}
.legal-page .v4-header .k-nv__in{display:flex;align-items:center;width:100%;gap:24px}.legal-page .v4-header .k-nv__brand img{width:132px;filter:brightness(0) invert(1)}.legal-page .v4-header .k-nv__links{display:flex;gap:24px;margin-left:auto}.legal-page .v4-header .k-nv__links a{color:#d7d9d4;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.legal-page .v4-header .k-nv__right{display:flex;gap:10px}.legal-page .v4-header .k-nv__search{display:none}.legal-page .v4-header .k-btn{border:1px solid var(--gold);padding:10px 14px;color:#fff;font-size:11px;text-transform:uppercase}.legal-page .v4-header .k-btn--ghost{display:none}
/* Keep existing V4 product introductions within narrow screens. */
@media(max-width:900px){.v4-page-hero{flex-direction:column;align-items:flex-start}.v4-page-hero>*{min-width:0;max-width:100%}}
.v4-purchasing-resources{padding:32px clamp(20px,6vw,100px);border-top:1px solid #c8cbc5}
.v4-purchasing-resources a{text-decoration:underline;text-underline-offset:4px}
@media(max-width:900px){.v4-about__grid{grid-template-columns:minmax(0,1fr);gap:32px}}