:root{
  --bg:#F2F1EC; --bg-soft:#F7F6F2; --ink:#141414; --ink-2:#55534d; --ink-3:#75736c; --ink-light:#9a988f;
  --rule:#D8D6CE; --dark:#141414; --on-dark:#F2F1EC; --dark-2:#8d8b84; --dark-rule:#2a2a2a;
  --sans:'Inter Tight',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
  --pad:clamp(20px,5vw,64px); --max:1240px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:500;margin:0;letter-spacing:-.035em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.rule{border-top:1px solid var(--rule)}
.ulink{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--ink);padding-bottom:2px}
.ulink:hover{opacity:.7}

/* header */
header.site{position:sticky;top:0;z-index:10;background:rgba(242,241,236,.88);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s}
header.site.scrolled{border-bottom-color:var(--rule)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo img{height:52px;width:auto;display:block;margin-left:-8px}
.links{display:flex;gap:32px}
.links a{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;position:relative}
.links a::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:1px;background:var(--ink);transition:right .3s ease}
.links a:hover::after,.links a.on::after{right:0}
.links .m-only{display:none}
.nav-end{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;background:none;border:1px solid var(--ink);border-radius:999px;padding:8px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:12px 22px;font-size:15px;font-family:var(--sans);border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;transition:background .25s,color .25s}
.btn:hover{background:var(--ink);color:var(--bg)}
.btn.solid{background:var(--ink);color:var(--bg)}
.btn.solid:hover{background:#2c2c2a}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(3px)}
.nav .btn{padding:9px 18px;font-size:14px}

/* home hero */
.hero{padding:clamp(56px,10vw,128px) 0 clamp(44px,7vw,88px)}
.hero .mono{margin:0 0 clamp(20px,3vw,32px)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ink);margin-right:10px;vertical-align:1px}
.hero h1{font-size:clamp(46px,9vw,124px);line-height:.95;letter-spacing:-.055em;color:var(--ink-light)}
.hero h1 span{color:var(--ink)}
.hero-foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end;margin-top:clamp(32px,5vw,56px)}
.hero-foot p{margin:0;max-width:480px;color:var(--ink-2)}
.hero-cta{display:flex;align-items:center;gap:24px}

/* facts */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.facts>div{padding:22px 0 22px 24px;border-left:1px solid var(--rule)}
.facts>div:first-child{padding-left:0;border-left:0}
.facts p{margin:4px 0 0}

/* sections */
section.block{padding:clamp(64px,9vw,120px) 0}
.soft{background:var(--bg-soft)}
.head{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.head h2{font-size:clamp(34px,4.6vw,56px);line-height:1}
.lead{color:var(--ink-2);margin:16px 0 clamp(28px,4vw,48px);max-width:560px}
.list{border-bottom:1px solid var(--rule)}
.row{display:grid;grid-template-columns:72px minmax(0,1fr) minmax(0,1.25fr) 24px;gap:24px;padding:26px 0;border-top:1px solid var(--rule);align-items:baseline;transition:padding .3s ease}
.row.plain{grid-template-columns:72px minmax(0,1fr) minmax(0,1.25fr)}
a.row:hover,.row.plain:hover{padding-left:8px}
.row h3{font-size:clamp(20px,2.2vw,26px);letter-spacing:-.03em}
.row p{margin:0;color:var(--ink-2)}
.row .go{font-size:20px;transition:transform .3s}
a.row:hover .go{transform:translate(3px,-3px)}
.mat{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;padding:20px 0;border-top:1px solid var(--rule);align-items:baseline}
.mat b{font-weight:500;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.045em}
.mat span{color:var(--ink-2)}
.after{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:18px;flex-wrap:wrap}

/* inner pages */
.page-hero{padding:clamp(48px,8vw,104px) 0 clamp(40px,6vw,72px)}
.crumbs{margin:0 0 clamp(20px,3vw,32px)}
.crumbs a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(44px,8vw,104px);line-height:.95;letter-spacing:-.055em}
.page-hero .lead{font-size:clamp(17px,1.6vw,20px);max-width:640px;margin:clamp(20px,3vw,32px) 0 clamp(28px,4vw,40px)}
.split{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(24px,5vw,80px)}
.split>.mono{padding-top:10px}
.prose h2{font-size:clamp(28px,3.4vw,40px);line-height:1.05;margin:0 0 18px}
.prose p{color:var(--ink-2);margin:0 0 14px;max-width:680px}
.prose p:last-child{margin-bottom:0}
.prose a{border-bottom:1px solid var(--ink);color:var(--ink)}
.prose .list{margin-top:28px}
.spec{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 32px;margin-top:20px;border-top:1px solid var(--rule)}
.spec>div{padding:16px 0;border-bottom:1px solid var(--rule)}
.spec .mono{display:block;margin-bottom:4px}
.spec p{margin:0;color:var(--ink-2)}
.matcard{padding:clamp(28px,4vw,44px) 0;border-top:1px solid var(--rule)}
.matcard:last-child{border-bottom:1px solid var(--rule)}
.matcard h2{font-size:clamp(36px,5vw,64px);letter-spacing:-.05em;line-height:1}
.guide .row{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
.guide .row b{font-weight:500;font-size:clamp(18px,1.8vw,22px);letter-spacing:-.03em}
.faq details{border-top:1px solid var(--rule)}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:24px 0;font-size:clamp(19px,2vw,24px);letter-spacing:-.03em;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 24px;color:var(--ink-2);max-width:720px}
.more .row h3{font-size:clamp(18px,2vw,22px)}

/* quote form */
.dark{background:var(--dark);color:var(--on-dark)}
.dark .mono{color:var(--dark-2)}
.quote{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);padding-top:clamp(64px,9vw,120px);padding-bottom:clamp(64px,9vw,120px)}
.quote h2{font-size:clamp(38px,5vw,64px);line-height:1;letter-spacing:-.05em;color:var(--on-dark)}
.need{margin:36px 0 0;padding:0;list-style:none;font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:#b3b0a8;line-height:2.2}
.need li::before{content:"→  "}
.alt{margin:28px 0 0;color:#b3b0a8;font-size:15px}
.alt a{color:var(--on-dark);border-bottom:1px solid #5f5d58}
form{display:flex;flex-direction:column}
.field{display:block;border-bottom:1px solid #3a3a3a;padding:18px 0 10px;transition:border-color .25s}
.field:focus-within{border-color:var(--on-dark)}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dark-2);margin-bottom:6px}
.field input,.field textarea{width:100%;background:transparent;border:0;outline:0;color:var(--on-dark);font:inherit;font-size:17px;padding:0;resize:none}
.field textarea{min-height:56px}
.field input::placeholder,.field textarea::placeholder{color:#5f5d58}
.err{color:#e9a08a;font-size:13px;margin-top:6px;display:none}
.field.bad .err{display:block}
.form-note{font-size:13px;color:var(--dark-2);margin:16px 0 0}
.form-note.bad{color:#e9a08a}
.consent{margin-top:8px}
.consent a{text-decoration:underline;text-underline-offset:3px}
form .btn{margin-top:28px;justify-content:space-between;background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);padding:16px 24px}
form .btn:hover{background:#fff}
form .btn[disabled]{opacity:.6;cursor:wait}
.field.file{position:relative;cursor:pointer}
.field.file input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.file-row{display:flex;justify-content:space-between;gap:16px;align-items:baseline}
.file-name{color:#5f5d58;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-name.has{color:var(--on-dark)}
.file-pick{color:var(--on-dark)!important;border-bottom:1px solid var(--on-dark);white-space:nowrap}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.done h3{font-size:clamp(32px,4vw,48px);letter-spacing:-.045em}
.done p{color:#b3b0a8}

/* footer */
footer .cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:36px 0;border-top:1px solid var(--dark-rule)}
footer p{margin:6px 0 0}
footer .cols a:hover{text-decoration:underline;text-underline-offset:3px}
footer .sitemap{display:flex;flex-wrap:wrap;gap:12px 28px;padding:24px 0;border-top:1px solid var(--dark-rule)}
footer .sitemap a{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#b3b0a8}
footer .sitemap a:hover{color:var(--on-dark)}
footer .bottom{border-top:1px solid var(--dark-rule);padding:18px 0;display:flex;justify-content:space-between;gap:16px}
footer .bottom .mono{color:#5f5d58}
footer .bottom a.mono:hover{color:var(--on-dark)}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:960px){
  .menu-btn{display:inline-block}
  .links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--rule);padding:8px var(--pad) 16px}
  .links.open{display:flex}
  .links a{padding:14px 0;border-top:1px solid var(--rule);font-size:13px}
  .links a:first-child{border-top:0}
  .links a::after{display:none}
  .links .m-only{display:block}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts>div:nth-child(3){padding-left:0;border-left:0}
  .facts>div:nth-child(n+3){border-top:1px solid var(--rule)}
}
@media (max-width:860px){
  .hero-foot{grid-template-columns:1fr;align-items:start}
  .row,.row.plain{grid-template-columns:44px minmax(0,1fr) 20px;gap:6px 16px}
  .row.plain{grid-template-columns:44px minmax(0,1fr)}
  .row p{grid-column:2;grid-row:2}
  .row .go{grid-column:3;grid-row:1}
  .mat{grid-template-columns:120px minmax(0,1fr);gap:16px}
  .quote{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:16px}
  .split>.mono{padding-top:0}
  .spec{grid-template-columns:1fr}
  .guide .row{grid-template-columns:1fr;gap:4px}
  footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  body{font-size:16px}
  .nav{height:64px}
  .logo img{height:42px}
  .nav .btn{display:none}
  .facts{grid-template-columns:1fr}
  .facts>div{padding:16px 0!important;border-left:0!important;border-top:1px solid var(--rule)}
  .facts>div:first-child{border-top:0}
  .hero-cta{flex-wrap:wrap}
  .mat{grid-template-columns:1fr;gap:2px}
  footer .cols{grid-template-columns:1fr}
  footer .bottom{flex-direction:column;gap:6px}
}