:root{--ink:#101010;--muted:#74736f;--cream:#f5f3ee;--white:#fff;--gold:#c5a062;--gold-dark:#a98445;--line:rgba(16,16,16,.11);--dark:#090909;--ease:cubic-bezier(.16,1,.3,1);--container:1440px}
*{box-sizing:border-box;margin:0;padding:0} html{scroll-behavior:smooth} body{background:var(--cream);color:var(--ink);font-family:"DM Sans",sans-serif;overflow-x:hidden;-webkit-font-smoothing:antialiased} a{color:inherit;text-decoration:none} img{display:block;width:100%} .container{width:min(calc(100% - 80px),var(--container));margin:auto}
h1,h2,h3{font-family:"Manrope",sans-serif;font-weight:500;letter-spacing:-.065em} .gold{color:var(--gold)} .label{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600} .muted{color:#706f6b}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 23px;border-radius:100px;font-size:12px;transition:.4s var(--ease)} .btn:hover{transform:translateY(-3px)} .btn-light{background:#fff;color:#111} .btn-dark{background:#111;color:#fff}
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;color:#fff;transition:.45s var(--ease)} .header.scrolled{background:rgba(248,247,243,.94);color:#111;backdrop-filter:blur(22px);border-bottom:1px solid var(--line)} .nav{height:82px;display:flex;align-items:center;justify-content:space-between} .brand{display:flex;align-items:center;width:138px} .brand-logo{width:138px;height:auto;filter:brightness(0) invert(1);transition:.45s var(--ease)} .header.scrolled .brand-logo{filter:none} .desktop-nav{display:flex;gap:31px;align-items:center} .desktop-nav a{font-size:16px;position:relative} .desktop-nav a::after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:1px;background:currentColor;transition:.3s var(--ease)} .desktop-nav a:hover::after,.desktop-nav a.active::after{width:100%} .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:100px;background:#fff;color:#111;font-size:14px} .header.scrolled .nav-cta{background:#111;color:#fff}
.mobile-toggle{display:none;background:none;border:0;color:currentColor} .mobile-menu{display:none;background:var(--cream);color:#111;padding:30px 24px 38px;border-bottom:1px solid var(--line)} .mobile-menu.open{display:flex;flex-direction:column;gap:20px} .mobile-menu>a{font-family:"Manrope";font-size:29px;letter-spacing:-.05em}
.hero{min-height:100svh;position:relative;overflow:hidden;color:#fff;display:flex;align-items:flex-end;background:#0a1012} .hero-media,.hero-overlay{position:absolute;inset:0} .hero-media{display:grid;place-items:center;background:#0a1012;overflow:hidden} .hero-media::before{content:"";position:absolute;inset:-5%;background-image:var(--hero-bg);background-size:cover;background-position:center;filter:blur(18px);transform:scale(1.08);opacity:.34} .hero-media img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;opacity:.88} .hero-overlay{background:linear-gradient(90deg,rgba(4,6,7,.78),rgba(4,6,7,.28) 64%,rgba(4,6,7,.30)),linear-gradient(0deg,rgba(4,6,7,.62),rgba(4,6,7,.06) 58%,rgba(4,6,7,.18))} .hero-content{position:relative;z-index:2;padding-bottom:78px} .hero-kicker{display:flex;align-items:center;gap:13px;margin-bottom:34px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;opacity:.82} .hero-kicker::before{content:"";width:42px;height:1px;background:rgba(255,255,255,.85)} .hero h1{font-size:clamp(64px,8.2vw,126px);line-height:.95;max-width:1120px;letter-spacing:-.07em;font-weight:500;color:#fff} .hero h1 span{display:inline-block;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.82);text-stroke:1px rgba(255,255,255,.82);margin-top:.10em} .hero-copy{margin-top:52px;display:flex;justify-content:space-between;gap:50px;align-items:flex-end} .hero-copy p{max-width:620px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.80)} .hero-scroll{position:absolute;right:36px;bottom:42px;writing-mode:vertical-rl;font-size:9px;letter-spacing:.16em;text-transform:uppercase;opacity:.65}
.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn-glass{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.38);backdrop-filter:blur(10px)}
.intro{background:#fff;padding:145px 0 155px} .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;align-items:start} .intro h2{font-size:clamp(56px,7vw,105px);line-height:.85} .intro-copy{padding-top:8px;max-width:670px} .intro-copy .dot{width:40px;height:40px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);margin-bottom:30px} .intro-copy p{font-size:16px;line-height:1.85;color:#6e6d68} .intro-strip{margin-top:85px;display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:end} .intro-main{height:620px;overflow:hidden} .intro-main img,.intro-side img{height:100%;object-fit:cover} .intro-side{height:430px;overflow:hidden}
.rail-showcase{background:#fff;padding:145px 0 150px;overflow:hidden}.rail-showcase-head{display:grid;grid-template-columns:1fr .72fr;gap:90px;align-items:end;margin-bottom:70px}.rail-showcase-head .label{margin-bottom:24px}.rail-showcase-head h2{font-size:clamp(58px,7vw,108px);line-height:.84}.rail-showcase-head>p{font-size:15px;line-height:1.8;color:#74736f;max-width:540px;padding-bottom:4px}.rail-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.rail-card{height:600px;position:relative;overflow:hidden;border-radius:18px;background:#111;color:#fff;isolation:isolate;transform:translateY(34px);transition:transform .9s var(--ease),box-shadow .7s var(--ease);transition-delay:var(--delay,0s);box-shadow:0 18px 50px rgba(0,0,0,.08)}.rail-card.visible{transform:none}.rail-card:hover{transform:translateY(-10px);box-shadow:0 30px 70px rgba(0,0,0,.18)}.rail-card-media,.rail-card-overlay{position:absolute;inset:0}.rail-card-media{overflow:hidden;background:#222}.rail-card-media img{display:block;width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.01);transition:transform 1s var(--ease),filter .8s var(--ease)}.rail-card:hover .rail-card-media img{transform:scale(1.065);filter:saturate(1.05) contrast(1.03)}.rail-card-overlay{z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.02) 12%,rgba(0,0,0,.08) 35%,rgba(0,0,0,.84) 100%);transition:background .6s var(--ease)}.rail-card:hover .rail-card-overlay{background:linear-gradient(180deg,rgba(0,0,0,.04) 10%,rgba(0,0,0,.16) 38%,rgba(0,0,0,.9) 100%)}.rail-card-content{position:absolute;z-index:2;left:28px;right:28px;bottom:28px;transform:translateY(8px);transition:transform .7s var(--ease)}.rail-card:hover .rail-card-content{transform:none}.rail-card-number{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.72);font-weight:600}.rail-card h3{font-size:30px;line-height:.98;margin-top:12px;letter-spacing:-.055em}.rail-card p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.74);margin-top:15px;max-width:280px}.rail-card-arrow{margin-top:22px;width:48px;height:48px;border:1px solid rgba(255,255,255,.46);border-radius:50%;display:grid;place-items:center;transition:.45s var(--ease)}.rail-card-arrow svg{width:18px}.rail-card:hover .rail-card-arrow{background:#fff;color:#111;border-color:#fff;transform:rotate(3deg)}
.systems{background:var(--cream);padding:145px 0} .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:70px} .section-head h2{font-size:clamp(58px,7vw,108px);line-height:.84} .section-head p{max-width:540px;font-size:15px;line-height:1.8;color:#74736f} .system-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px} .system-card{height:540px;position:relative;overflow:hidden;border-radius:0;background:#151515;color:#fff} .system-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.76;transition:.7s var(--ease)} .system-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.2) 35%,rgba(0,0,0,.86) 100%)} .system-card:hover img{transform:scale(1.045);opacity:.9} .system-content{position:absolute;z-index:2;inset:auto 28px 28px} .system-number{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.7)} .system-card h3{font-size:31px;line-height:.98;margin-top:11px} .system-card p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.72);margin-top:14px;max-width:270px} .circle-arrow{margin-top:22px;width:48px;height:48px;border:1px solid rgba(255,255,255,.48);border-radius:50%;display:grid;place-items:center} .circle-arrow svg{width:18px}
.materials{background:#fff;padding:145px 0} .materials-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px} .materials-title{font-size:clamp(55px,6.6vw,98px);line-height:.86} .materials-intro{font-size:15px;line-height:1.8;color:#73716c;max-width:540px;padding-top:10px} .material-list{grid-column:1/-1;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);margin-top:35px} .material{min-height:245px;padding:28px 23px;border-right:1px solid var(--line);position:relative} .material:last-child{border-right:0} .material .num{font-size:9px;letter-spacing:.18em;color:var(--gold)} .material h3{font-size:24px;margin-top:75px} .material p{font-size:12px;line-height:1.7;color:#777;margin-top:13px}
.mount{background:var(--dark);color:#fff;padding:145px 0} .mount-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px} .mount-title{font-size:clamp(56px,6.7vw,102px);line-height:.85} .mount-lead{font-size:15px;line-height:1.8;color:rgba(255,255,255,.58);max-width:560px;padding-top:10px} .mount-list{margin-top:65px;border-top:1px solid rgba(255,255,255,.15)} .mount-item{display:grid;grid-template-columns:70px 1fr 24px;gap:25px;align-items:center;padding:25px 0;border-bottom:1px solid rgba(255,255,255,.15)} .mount-item span{font-size:10px;letter-spacing:.16em;color:var(--gold)} .mount-item h3{font-size:25px} .mount-item p{font-size:12px;color:rgba(255,255,255,.52);margin-top:6px} .mount-item svg{width:18px;color:rgba(255,255,255,.55)}
.applications{background:#fff;padding:145px 0} .app-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:85px;align-items:center} .app-image{height:680px;overflow:hidden} .app-image img{height:100%;object-fit:cover} .app-copy h2{font-size:clamp(54px,6.3vw,94px);line-height:.86} .app-copy>p{font-size:15px;line-height:1.8;color:#70706b;margin-top:34px;max-width:530px} .app-list{margin-top:45px;border-top:1px solid var(--line)} .app-list div{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line);font-size:12px} .app-list span:first-child{text-transform:uppercase;letter-spacing:.08em;color:#8b877f}
.cta{min-height:680px;position:relative;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden} .cta-bg,.cta-overlay{position:absolute;inset:0} .cta-bg img{height:100%;object-fit:cover;object-position:center;opacity:.82} .cta-overlay{background:rgba(0,0,0,.64)} .cta-content{position:relative;z-index:2;max-width:1150px;padding:60px 20px} .cta-kicker{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:30px} .cta h2{font-size:clamp(66px,9vw,140px);line-height:.82} .cta h2 span{color:var(--gold)} .cta p{max-width:560px;margin:34px auto;font-size:15px;line-height:1.75;color:rgba(255,255,255,.76)}
.footer{background:#090909;color:#fff;padding:75px 0 25px} .footer-grid{display:grid;grid-template-columns:1.8fr .8fr .8fr 1fr;gap:50px;padding-bottom:65px} .footer-brand img{width:140px;filter:brightness(0) invert(1)} .footer-brand p{color:rgba(255,255,255,.48);font-size:12px;line-height:1.7;max-width:310px;margin-top:22px} .footer-socials{display:flex;gap:10px;margin-top:25px} .footer-socials a{width:42px;height:42px;border:1px solid rgba(255,255,255,.22);border-radius:50%;display:grid;place-items:center;transition:.3s} .footer-socials a:hover{background:#fff;color:#111} .footer-socials svg{width:17px;height:17px;display:block;color:currentColor} .footer-col{display:flex;flex-direction:column;gap:13px} .footer-col h4{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px} .footer-col a,.footer-col span{font-size:12px;color:rgba(255,255,255,.62)} .footer-bottom{display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:10px;color:rgba(255,255,255,.4)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)} .reveal.visible{opacity:1;transform:none}
@media(max-width:1000px){.container{width:min(calc(100% - 40px),var(--container))} .desktop-nav,.nav-cta{display:none} .mobile-toggle{display:block} .system-grid{grid-template-columns:repeat(2,1fr)} .material-list{grid-template-columns:repeat(2,1fr)} .material:nth-child(2n){border-right:0} .material:nth-last-child(-n+1){border-bottom:0} .intro-grid,.mount-grid,.app-layout{grid-template-columns:1fr;gap:50px} .rail-showcase-head{grid-template-columns:1fr;gap:30px} .rail-card-grid{grid-template-columns:repeat(2,1fr)} .materials-grid{grid-template-columns:1fr;gap:30px} .footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.container{width:calc(100% - 32px)} .nav{height:72px} .brand,.brand-logo{width:118px} .hero-content{padding-bottom:55px} .hero h1{font-size:clamp(58px,18vw,90px)} .hero-copy{display:block} .hero-copy p{font-size:14px} .hero-scroll{display:none} .intro,.systems,.materials,.mount,.applications,.rail-showcase{padding:95px 0} .section-head{display:block;margin-bottom:45px} .section-head p{margin-top:25px} .system-grid{grid-template-columns:1fr} .rail-card-grid{grid-template-columns:1fr} .rail-card{height:540px;border-radius:14px} .rail-card h3{font-size:29px} .material-list{grid-template-columns:1fr} .material{border-right:0;border-bottom:1px solid var(--line);min-height:210px} .mount-item{grid-template-columns:50px 1fr 20px} .app-image{height:500px} .cta{min-height:600px} .cta h2{font-size:clamp(55px,17vw,88px)} .footer-grid{grid-template-columns:1fr} .footer-bottom{gap:20px;flex-direction:column}}