@font-face{font-family:Dana;src:url('./assets/dana-regular.woff2') format('woff2');font-weight:400;font-display:swap}@font-face{font-family:Dana;src:url('./assets/dana-demibold.woff2') format('woff2');font-weight:600 800;font-display:swap}
:root{--paper:#f8f7f3;--ink:#272c2a;--muted:#6b706c;--orange:#df5c2d;--line:#c8cbc3;--soft:#ecece5;--ease:cubic-bezier(.2,.7,.2,1)}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}body{margin:0;min-height:100svh;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:6px}button{color:inherit}::selection{background:#f5c9ad}html[lang=fa]{font-family:Dana,Arial,sans-serif}html[lang=fa] h1{letter-spacing:-.025em;line-height:1.35}html[lang=fa] .eyebrow,html[lang=fa] .edition{letter-spacing:0}html[lang=fa] .arrow{transform:scaleX(-1)}.skip{position:fixed;top:-100px;left:20px;z-index:10;padding:16px;background:var(--ink);color:white}.skip:focus{top:12px}.topbar{height:116px;padding:32px 4.5vw;display:flex;align-items:center;gap:40px;position:relative;z-index:2}.wordmark img{width:128px;height:49px;object-fit:contain}.edition{font-size:9px;letter-spacing:.18em;color:var(--muted)}.languages{margin-inline-start:auto;display:flex;gap:12px;align-items:center;font-size:12px}.languages span{color:#b6b9b1}.languages a{padding:7px 2px}.languages a[aria-current]{color:var(--orange);border-bottom:1px solid var(--orange)}.orbit{position:fixed;border:1px solid var(--line);border-radius:50%;pointer-events:none;transition:transform 1.2s var(--ease);z-index:0}.orbit-brand{width:1150px;height:1150px;inset-inline-start:-1040px;top:calc(50% - 575px)}.orbit-brand i{position:absolute;width:12px;height:12px;background:var(--orange);border-radius:50%;right:28px;top:380px}.orbit-nav{width:700px;height:700px;inset-inline-end:-542px;top:calc(50% - 350px)}body[data-page=engineering] .orbit-brand{transform:translateY(60px) rotate(14deg)}body[data-page=applications] .orbit-brand{transform:translateY(-50px) rotate(-12deg)}body[data-page=start] .orbit-brand{transform:rotate(30deg)}.brand-aside{position:fixed;inset-inline-start:39px;top:45%;display:flex;gap:20px;align-items:center;writing-mode:vertical-rl;font-size:10px;letter-spacing:.12em;color:var(--muted)}.brand-line{width:1px;height:60px;background:var(--orange)}main{position:relative;z-index:1;margin-inline-start:15.5%;width:65%;max-width:1040px;min-height:calc(100svh - 198px);padding:48px 0 76px;outline:none}.page{animation:arrive .65s var(--ease) both}.eyebrow{display:flex;align-items:center;gap:13px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.17em;color:var(--muted);margin:0 0 28px}.eyebrow:before{content:'';width:7px;height:7px;border-radius:50%;background:var(--orange)}h1{font-size:clamp(38px,4.5vw,68px);font-weight:400;letter-spacing:-.055em;line-height:1.07;margin:0 0 25px;max-width:770px}h1 em{color:var(--orange);font-style:normal}p{font-size:15px;line-height:1.85;color:var(--muted);margin:0 0 20px}.lead{font-size:17px;max-width:560px;line-height:1.8}.hero-layout{display:grid;grid-template-columns:1.3fr .8fr;gap:22px;align-items:center}.hero-layout h1{font-size:clamp(40px,4.6vw,70px)}.hero-copy{position:relative;z-index:1}.hero-copy .lead{font-size:16px}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:30px}.primary{border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:14px 21px;border-radius:2px;font-size:12px;display:inline-flex;align-items:center;gap:25px;transition:background .2s}.primary:hover{background:#444b45}.text-link{font-size:12px;border-bottom:1px solid var(--line);padding:9px 0;display:inline-flex;gap:20px;align-items:center}.text-link:hover{border-color:var(--orange);color:var(--orange)}.system-figure{position:relative;aspect-ratio:1;min-width:240px;margin:0;display:grid;place-items:center}.system-figure svg{width:100%;overflow:visible}.system-figure text{font-family:inherit;font-size:9px;fill:var(--muted);letter-spacing:.06em}.system-figure .core-title{font-size:19px;letter-spacing:-.02em;fill:var(--ink)}.system-figure .core-sub{font-size:7px;letter-spacing:.12em}.pulse{transform-origin:180px 180px;animation:turn 70s linear infinite}.figure-caption{text-align:center;font-size:9px;letter-spacing:.06em;color:var(--muted);margin-top:-8px}.principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:54px;padding-top:21px;gap:22px}.principles span{font-size:10px;color:var(--orange)}.principles h3{font-size:13px;font-weight:400;margin:10px 0 7px}.principles p{font-size:12px;line-height:1.7;margin:0}.orbit-menu{position:fixed;inset-inline-end:20px;top:calc(50% - 240px);width:155px;height:480px;z-index:3;display:flex;flex-direction:column;justify-content:space-between}.orbit-menu a{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--muted);position:relative;white-space:nowrap;padding:10px 0}.orbit-menu a:nth-child(1),.orbit-menu a:nth-child(5){margin-inline-start:74px}.orbit-menu a:nth-child(2),.orbit-menu a:nth-child(4){margin-inline-start:20px}.orbit-menu .dot{flex:0 0 10px;height:10px;background:var(--orange);border-radius:50%;position:relative}.orbit-menu a[aria-current=page]{color:var(--ink)}.orbit-menu a[aria-current=page] .dot{background:var(--paper);box-shadow:0 0 0 1px var(--orange)}.orbit-menu a[aria-current=page] .dot:after{content:'';position:absolute;inset:-5px;border:1px solid #e6af94;border-radius:50%}.orbit-menu a:hover{color:var(--orange)}footer{min-height:82px;position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:20px 4.5vw;gap:20px;font-size:10px;color:var(--muted);border-top:1px solid #e5e6df}footer button{display:flex;align-items:center;gap:12px;border:0;background:none;font-size:11px;padding:7px}footer button:hover{color:var(--orange)}.mini-brain{display:flex;align-items:center;gap:2px}.mini-brain i{width:4px;height:4px;background:var(--orange);border-radius:50%}.mini-brain i:nth-child(2){width:7px;height:7px}.mini-brain i:nth-child(3){width:11px;height:11px}.page-counter{font-variant-numeric:tabular-nums;letter-spacing:.15em}.page-intro{max-width:660px}.rows{margin-top:36px;max-width:720px;border-top:1px solid var(--line)}.row{padding:21px 0;display:grid;grid-template-columns:35px 1fr 1.35fr;gap:20px;border-bottom:1px solid var(--line);align-items:start}.row .number{font-size:10px;color:var(--orange);padding-top:5px}.row h2{font-size:17px;font-weight:400;margin:0;line-height:1.5;letter-spacing:-.02em}.row p{font-size:13px;line-height:1.7;margin:0}.note{border-inline-start:2px solid var(--orange);padding-inline-start:18px;margin-top:28px;max-width:680px;font-size:13px}.section-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:28px;max-width:720px;gap:20px}.section-bottom p{font-size:11px;margin:0}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin:28px 0}.tabs button{border:0;background:none;padding:12px 0;font-size:12px;color:var(--muted);border-bottom:2px solid transparent}.tabs button[aria-pressed=true]{border-color:var(--orange);color:var(--ink)}.case{max-width:760px}.case-header{display:flex;align-items:center;justify-content:space-between;gap:15px}.case-header .eyebrow{font-size:8px;margin-bottom:16px}.tag{font-size:9px;border:1px solid var(--line);padding:5px 8px;color:var(--muted)}.case h2{font-size:27px;font-weight:400;line-height:1.3;letter-spacing:-.03em;max-width:620px;margin:10px 0 18px}.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;border-top:1px solid var(--line);padding-top:22px;margin-top:22px}.flow h3{font-size:12px;font-weight:600;margin:0 0 10px}.flow p{font-size:12px;line-height:1.8}.flow span{display:block;color:var(--orange);font-size:10px;margin-bottom:12px}.brief{margin-top:30px;border-top:1px solid var(--line);padding-top:25px;max-width:680px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{font-size:11px;display:block}input,textarea{width:100%;border:0;border-bottom:1px solid #9ca498;background:transparent;padding:12px 0;margin:6px 0 22px;border-radius:0;outline-offset:4px;color:var(--ink);font-size:14px}textarea{resize:vertical;min-height:80px}.fine-print{font-size:11px;line-height:1.8;margin-top:18px}.status{font-size:12px;color:var(--orange);min-height:24px;margin-top:15px}.brief summary{font-size:14px;cursor:pointer;margin-bottom:20px}.brief summary::marker{color:var(--orange)}dialog{border:1px solid var(--line);padding:48px;max-width:540px;width:calc(100% - 32px);background:var(--paper);color:var(--ink);box-shadow:0 30px 120px #26352926}dialog::backdrop{background:#20272066;backdrop-filter:blur(4px)}dialog h2{font-size:35px;line-height:1.15;letter-spacing:-.04em;font-weight:400}.close{position:absolute;inset-inline-end:18px;top:12px;background:none;border:0;font-size:28px}.sample-question{border-inline-start:2px solid var(--orange);padding:16px 20px;background:var(--soft);font-size:15px;line-height:1.7}html[dir=rtl] .orbit-brand i{left:28px;right:auto}html[dir=rtl] .system-figure{direction:ltr}html[dir=rtl] .system-figure text{letter-spacing:0}html[dir=rtl] .brand-aside{letter-spacing:0}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@keyframes arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes turn{to{transform:rotate(360deg)}}
@media(min-width:1600px){main{margin-inline-start:19%;padding-top:80px}.orbit-nav{inset-inline-end:-500px}.orbit-menu{inset-inline-end:62px}}
@media(max-width:1100px){.hero-layout{grid-template-columns:1fr}.system-figure{position:absolute;width:250px;opacity:.18;inset-inline-end:-20px;top:0;z-index:-1}.hero-copy{max-width:620px}.hero-copy h1{max-width:580px}.figure-caption{display:none}.edition{display:none}.principles{margin-top:35px}main{width:64%;margin-inline-start:13%;padding-top:30px}.orbit-brand{inset-inline-start:-1080px}.brand-aside{inset-inline-start:25px}.row{grid-template-columns:25px 1fr}.row p{grid-column:2}.row{gap:8px 15px}.orbit-menu{inset-inline-end:10px}}
@media(max-width:720px){.topbar{height:92px;padding:22px 24px}.wordmark img{width:112px;height:40px}.brand-aside{display:none}.orbit-brand{width:800px;height:800px;inset-inline-start:-710px;top:200px;opacity:.5}.orbit-nav{display:none}.orbit-menu{position:relative;inset:auto;width:auto;height:auto;margin:0 24px;display:flex;flex-direction:row;gap:20px;overflow-x:auto;padding:0 0 14px;border-bottom:1px solid var(--line);order:0}.orbit-menu a{font-size:11px;padding:10px 2px;gap:8px}.orbit-menu a:nth-child(n){margin:0}.orbit-menu .dot{flex-basis:6px;height:6px}.orbit-menu a[aria-current=page] .dot:after{inset:-3px}.topbar{order:-1}body{display:flex;flex-direction:column}main{order:1;width:auto;margin:0;padding:42px 26px 40px;min-height:calc(100svh - 238px)}footer{order:2;padding:20px 24px;flex-wrap:wrap;font-size:9px}footer button{font-size:10px}.page-counter{display:none}h1,.hero-layout h1{font-size:43px;max-width:520px}.eyebrow{font-size:9px;margin-bottom:24px}.lead,.hero-copy .lead{font-size:15px}.system-figure{width:220px;top:30px;inset-inline-end:0;opacity:.12}.principles{gap:14px;margin-top:35px}.principles h3{font-size:12px}.principles p{font-size:11px}.actions{gap:18px}.primary{padding:13px 16px}.rows{margin-top:28px}.flow{grid-template-columns:1fr;gap:0}.flow>div{display:grid;grid-template-columns:25px 1fr;column-gap:10px}.flow p{grid-column:2}.flow h3{line-height:1.4}.case h2{font-size:25px}.tabs{gap:18px;overflow-x:auto}.tabs button{white-space:nowrap;font-size:11px}.fields{grid-template-columns:1fr;gap:0}.section-bottom{align-items:start;flex-direction:column}.tag{white-space:nowrap;font-size:8px}dialog{padding:34px 25px}dialog h2{font-size:29px}.row h2{font-size:16px}html[lang=fa] h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}