:root{--ink:#090909;--paper:#f3f2ef;--muted:#a9a8a4;--line:#d2d0ca;--accent:#d7ff45;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}
a{color:inherit;text-decoration:none}
button{font:inherit}
.wrap{width:min(1180px,calc(100% - 48px));margin:auto}
.eyebrow{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;font-weight:700}
.topline{height:30px;background:#000;color:#fff;text-align:center;font-size:.62rem;letter-spacing:.25em;text-transform:uppercase;padding:6px}
.hero{min-height:760px;background:#050505;color:#fff;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.98) 0%,rgba(0,0,0,.78) 37%,rgba(0,0,0,.2) 76%),url('/assets/nxtu-hero.png') center/cover no-repeat}
.nav{position:relative;z-index:2;height:112px;display:flex;align-items:center;justify-content:space-between}
.logo{display:inline-flex;align-items:center;gap:14px}
.brand-logo{display:block;width:190px;height:auto;object-fit:contain}
.footer .brand-logo{width:230px}
.mark{font-family:var(--serif);font-size:2.3rem;font-style:italic;letter-spacing:-.12em}
.wordmark{font-size:1rem;letter-spacing:.32em;font-weight:700}
.nav-actions{display:flex;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 28px;border-radius:999px;border:1px solid currentColor;text-transform:uppercase;letter-spacing:.18em;font-size:.7rem;font-weight:700;cursor:pointer;background:transparent}
.btn.light{background:#f4f3f0;color:#111;border-color:#f4f3f0}
.btn.dark{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#111}
.hero-copy{position:relative;z-index:1;padding-top:160px;max-width:850px}
.hero h1{font-family:var(--serif);font-size:clamp(4rem,8vw,7.4rem);line-height:.88;letter-spacing:-.055em;font-weight:400;margin:14px 0 28px}
.hero h1 em{font-weight:400}
.lead{font-size:1.1rem;color:#d7d6d2;max-width:630px}
.actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust article{padding:54px 38px;border-right:1px solid var(--line)}
.trust article:last-child{border:0}
.trust h2{font:400 1.55rem var(--serif);margin:0 0 8px}
.trust p{margin:0;color:#555}
.section{padding:120px 0}
.section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:58px}
.section h2{font:400 clamp(2.8rem,5vw,5.3rem)/.98 var(--serif);letter-spacing:-.04em;margin:10px 0}
.section-intro{max-width:540px;color:#565656}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #aaa}
.step{padding:32px 24px 20px 0;border-right:1px solid #c7c5bf;min-height:295px}
.step+.step{padding-left:24px}
.step:last-child{border-right:0}
.num{font:italic 1.4rem var(--serif);color:#777}
.step h3{font:400 1.5rem/1.15 var(--serif);margin:48px 0 16px}
.step p{color:#555;font-size:.94rem}
.band{background:#050505;color:#fff;padding:64px 0;overflow:hidden}
.band-grid{display:grid;grid-template-columns:270px 1fr;gap:60px;align-items:center}
.band h2{font:400 2.4rem/1 var(--serif);margin:0}
.band-list{display:flex;gap:42px;white-space:nowrap;overflow:hidden;color:#d6d6d6}
.plans{background:#e9e8e4}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#f8f7f4;border:1px solid #d0cec8;display:flex;flex-direction:column}
.card-img{aspect-ratio:1.25;background:url('/assets/nxtu-vials.png') center/cover;filter:grayscale(1);position:relative}
.card:nth-child(2) .card-img{background-position:32% center}
.card:nth-child(3) .card-img{background-position:68% center}
.card:nth-child(4) .card-img{background-position:right center}
.tag{position:absolute;top:15px;left:15px;background:#fff;padding:5px 9px;font-size:.61rem;text-transform:uppercase;letter-spacing:.12em}
.card-body{padding:28px;display:flex;flex:1;flex-direction:column}
.meta{font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;color:#777}
.card h3{font:400 2rem var(--serif);margin:12px 0}
.price{font:400 2rem var(--serif);margin:16px 0}
.price span{font:400 .75rem var(--sans);color:#666}
.features{padding:0;list-style:none;color:#555;font-size:.86rem}
.features li{border-top:1px solid #ddd;padding:8px 0}
.card .btn{margin-top:auto}
.split{display:grid;grid-template-columns:1fr 1fr;min-height:500px}
.split-copy{background:#0a0a0a;color:#fff;padding:90px max(48px,calc((100vw - 1180px)/2));padding-right:70px}
.split-art{background:url('/assets/nxtu-vials.png') center/cover;filter:grayscale(1)}
.faq{max-width:860px;margin:auto}
.faq details{border-top:1px solid #aaa;padding:24px 0}
.faq summary{cursor:pointer;font:400 1.4rem var(--serif);list-style:none;display:flex;justify-content:space-between}
.faq summary:after{content:'+'}
.faq details[open] summary:after{content:'–'}
.faq p{color:#555;max-width:700px}
.footer{background:#050505;color:#fff;padding:80px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:60px}
.footer h3{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase}
.footer p,.footer a{color:#aaa}
.footer a{display:block;margin:8px 0}
.contact-placeholders{border:1px solid #333;padding:20px;margin-top:24px}
.legal{border-top:1px solid #292929;margin-top:60px;padding-top:22px;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:#777;display:flex;justify-content:space-between}
.catalog-hero{background:#0a0a0a;color:#fff;padding-bottom:90px}
.catalog-hero .nav{height:105px}
.catalog-title{padding:90px 0 30px;max-width:900px}
.catalog-title h1{font:400 clamp(3.6rem,7vw,7rem)/.92 var(--serif);letter-spacing:-.05em;margin:10px 0 24px}
.assurances{background:#fff;border-bottom:1px solid var(--line)}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.assurance-grid article{padding:32px;border-right:1px solid var(--line)}
.assurance-grid article:last-child{border:0}
.assurance-grid h2{font:400 1.3rem var(--serif);margin:0}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid #aaa;border-radius:999px;padding:9px 17px;background:transparent;cursor:pointer}
.filter.active{background:#111;color:#fff;border-color:#111}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product{border:1px solid #ccc;background:#fff}
.product-media{aspect-ratio:1.3;background:url('/assets/nxtu-vials.png') center/cover;filter:grayscale(1)}
.product-body{padding:24px}
.product h3{font:400 1.8rem var(--serif);margin:8px 0}
.product[hidden]{display:none}
.notice{background:var(--accent);padding:22px;text-align:center;font-weight:700}
.menu{display:none}
.mobile-panel{display:none}
.toast{position:fixed;right:24px;bottom:24px;background:#111;color:#fff;padding:15px 20px;border-radius:8px;z-index:10;opacity:0;transform:translateY(12px);transition:.25s}
.toast.show{opacity:1;transform:none}
@media(max-width:900px){.wrap{width:min(100% - 30px,1180px)}
.nav-actions>a{display:none}
.menu{display:inline-flex}
.hero{min-height:690px}
.hero-copy{padding-top:110px}
.trust-grid,.cards,.products{grid-template-columns:1fr 1fr}
.trust article:nth-child(2){border-right:0}
.trust article:nth-child(3){border-top:1px solid var(--line)}
.steps{grid-template-columns:1fr 1fr}
.step:nth-child(2){border-right:0}
.step:nth-child(n+3){border-top:1px solid #aaa}
.band-grid,.split,.footer-grid{grid-template-columns:1fr}
.split-art{min-height:350px}
.assurance-grid{grid-template-columns:1fr 1fr}
.assurance-grid article:nth-child(2){border-right:0}
.assurance-grid article:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(max-width:600px){.topline{font-size:.52rem}
.nav{height:86px}
.brand-logo{width:150px}
.footer .brand-logo{width:190px}
.wordmark{font-size:.85rem}
.hero-bg{background:linear-gradient(0deg,rgba(0,0,0,.95),rgba(0,0,0,.12)),url('/assets/nxtu-hero.png') 62% center/cover}
.hero-copy{padding-top:240px}
.hero h1{font-size:3.65rem}
.lead{font-size:1rem}
.btn{min-height:50px;padding:0 20px}
.trust-grid,.cards,.products,.steps,.assurance-grid{grid-template-columns:1fr}
.trust article,.assurance-grid article{border-right:0!important;border-top:1px solid var(--line)}
.step{border-right:0}
.step+.step{padding-left:0}
.section{padding:82px 0}
.section-head{display:block}
.band-grid{gap:32px}
.band-list{display:grid;gap:12px;white-space:normal}
.footer-grid{gap:30px}
.legal{display:block}
.catalog-title{padding-top:58px}
.nav-actions .btn.light{display:none}
}