:root{--main:#14305a;--second:#efebe2;--accent-base:#e2572f;--paper:var(--second);--paper-2:#e7e2d7;--paper-3:#dbd5c8;--ink:var(--main);--ink-hover:#0e2445;--on-ink:#f8f6f1;--text:#172a45;--muted:#5d6778;--faint:#8c939e;--line:#14305a26;--line-strong:#14305a4d;--grid-minor:#14305a0d;--grid-major:#14305a17;--accent:var(--accent-base);--accent-text:#b33e1c;--accent-fill:#c9481f;--accent-fill-hover:#b33e1c;--on-accent:#fff;--glass:#efebe2d1;--lift:0 1px 2px #14305a12, 0 10px 30px -12px #14305a33;--grain-opacity:.07;--font-fa:"Vazirmatn", "Geist", system-ui, sans-serif;--font-en:"Geist", "Vazirmatn", system-ui, sans-serif;--font-mono:"Geist Mono", ui-monospace, "Vazirmatn", monospace;--pad:clamp(18px, 4vw, 44px);--s1:6px;--s2:10px;--s3:16px;--s4:24px;--s5:36px;--s6:56px;--s7:88px;--t-display:clamp(2.5rem, 3.2vw + .8rem, 3.9rem);--t-h2:clamp(2rem, 2.5vw + .75rem, 3.1rem);--header-h:68px;--radius:12px;--ease-out:cubic-bezier(.22, 1, .36, 1);--dirx:-1;--scrim:#0e2240;--scrim-rgb:14, 34, 64;--on-scrim:#f3f0e9;--on-scrim-muted:#b3bccb;--scrim-to:left;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--paper:#0e2240;--paper-2:#122a4d;--paper-3:#19355e;--ink:var(--second);--ink-hover:#fbfaf6;--on-ink:#0e2240;--text:#f1ede5;--muted:#a4adbb;--faint:#76829a;--line:#efebe224;--line-strong:#efebe247;--grid-minor:#efebe20b;--grid-major:#efebe216;--accent:#f07a52;--accent-text:#f58e6b;--accent-fill:#f07a52;--accent-fill-hover:#f58e6b;--on-accent:#0e2240;--glass:#0e2240c7;--lift:0 1px 2px #0000003d, 0 12px 32px -12px #0000008c;--grain-opacity:.085;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[dir=ltr]{--dirx:1;--scrim-to:right}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--text);font-family:var(--font-fa);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.7}:root[lang=en] body{font-family:var(--font-en);line-height:1.6}h1,h2,h3{color:var(--text);text-wrap:balance;margin:0;font-weight:650}p{text-wrap:pretty;margin:0}button{font:inherit;color:inherit}a{color:inherit}kbd{font-family:var(--font-mono)}body:after{content:"";z-index:100;pointer-events:none;opacity:var(--grain-opacity);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:220px 220px;position:fixed;inset:0}@media print{body:after{display:none}}::selection{background:var(--ink);color:var(--on-ink)}:root.theme-anim *,:root.theme-anim :before,:root.theme-anim :after{transition:background-color .6s,color .6s,border-color .6s,fill .6s,stroke .6s!important}:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}.container{width:min(1180px,100%);padding-inline:var(--pad);margin-inline:auto}.muted{color:var(--muted)}.eyebrow{color:var(--ink);align-items:center;gap:10px;margin-block-end:var(--s4);font-size:.8125rem;font-weight:500;display:inline-flex}.eyebrow .dot{background:var(--accent);border-radius:50%;width:6px;height:6px}.eyebrow-mono{font-family:var(--font-mono);color:var(--muted);border-inline-start:1px solid var(--line-strong);direction:ltr;padding-inline-start:10px;font-size:.75rem}.lede{color:var(--muted);max-width:44ch;font-size:1.0625rem}:root[lang=en] .lede{max-width:40ch}.btn{--h:48px;height:var(--h);border:1px solid var(--ink);border-radius:var(--radius);background:var(--ink);color:var(--on-ink);cursor:pointer;white-space:nowrap;transition:background-color .2s ease, border-color .2s ease, transform .25s var(--ease-out), box-shadow .25s ease;justify-content:center;align-items:center;gap:10px;padding-inline:22px;font-size:.9375rem;font-weight:600;display:inline-flex}.btn:hover{background:var(--ink-hover);border-color:var(--ink-hover);box-shadow:var(--lift);transform:translateY(-1px)}.btn:active{box-shadow:none;transform:translateY(0)}.btn-sm{--h:38px;border-radius:10px;padding-inline:16px;font-size:.875rem}.btn-lg{--h:58px;padding-inline:30px;font-size:1.0625rem}.btn-accent{background:var(--accent-fill);border-color:var(--accent-fill);color:var(--on-accent)}.btn-accent:hover{background:var(--accent-fill-hover);border-color:var(--accent-fill-hover)}.btn-ghost{color:var(--text);border-color:var(--line-strong);background:0 0}.btn-ghost:hover{background:var(--paper-3);border-color:var(--line-strong);box-shadow:none}.btn-arrow{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px;transform:scaleX(var(--dirx));transition:translate .3s var(--ease-out)}.btn:hover .btn-arrow{translate:calc(var(--dirx) * 3px) 0}.icon-btn{border:1px solid var(--line-strong);width:38px;height:38px;color:var(--text);cursor:pointer;background:0 0;border-radius:10px;place-items:center;transition:background-color .2s;display:inline-grid}.icon-btn:hover{background:var(--paper-3)}.icon-btn svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;width:18px;height:18px}.theme-toggle .i-sun{display:none}:root[data-theme=dark] .theme-toggle .i-sun{display:block}:root[data-theme=dark] .theme-toggle .i-moon{display:none}.site-header{z-index:50;height:var(--header-h);padding-inline:var(--pad);border-block-end:1px solid #0000;justify-content:space-between;align-items:center;transition:background-color .3s,border-color .3s;display:flex;position:fixed;inset-block-start:0;inset-inline:0}.site-header.is-scrolled{background:var(--glass);-webkit-backdrop-filter:blur(14px)saturate(1.2);backdrop-filter:blur(14px)saturate(1.2);border-block-end-color:var(--line)}.brand{color:var(--text);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{width:30px;height:30px;color:var(--ink)}.brand-word{letter-spacing:0;font-size:1.3125rem;font-weight:700}:root[lang=en] .brand-word{letter-spacing:-.01em;font-weight:600}.header-actions{align-items:center;gap:10px;display:flex}.lang-switch{border:1px solid var(--line-strong);border-radius:10px;height:38px;padding:3px;display:inline-flex}.lang-switch button{min-width:36px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;padding-inline:8px;font-size:.8125rem;font-weight:600;transition:background-color .2s,color .2s}.lang-switch button[lang=en]{font-family:var(--font-en)}.lang-switch button[lang=fa]{font-family:var(--font-fa)}.lang-switch button[aria-pressed=true]{background:var(--ink);color:var(--on-ink)}.lang-switch button:not([aria-pressed=true]):hover{color:var(--text)}.hero{height:100svh;position:relative}.hero-stage{isolation:isolate;background:var(--paper);height:100svh;position:sticky;top:0;overflow:hidden}.hero-canvas{touch-action:pan-y;position:absolute;inset:0}.hero-canvas canvas{width:100%;height:100%;display:block}.hero-labels{pointer-events:none;position:absolute;inset:0}.hero-labels>*{top:0;left:0}.hero-scrim{z-index:1;pointer-events:none;background:linear-gradient(to var(--scrim-to), rgba(var(--scrim-rgb), .98) 0%, rgba(var(--scrim-rgb), .97) 42%, rgba(var(--scrim-rgb), .9) 60%, rgba(var(--scrim-rgb), .7) 74%, rgba(var(--scrim-rgb), .4) 85%, rgba(var(--scrim-rgb), .14) 93%, rgba(var(--scrim-rgb), 0) 100%);width:min(760px,52%);-webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 18px));-webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 18px));mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 18px));position:absolute;inset-block:0;inset-inline-start:0}.hero-copy{inset-inline-start:0;inset-block:calc(var(--header-h) + 12px) 92px;width:min(560px,46vw);padding-inline:max(var(--pad), 44px) 28px;pointer-events:none;z-index:2;color:var(--on-scrim);align-items:center;display:grid;position:absolute}.cap{opacity:0;visibility:hidden;will-change:opacity, transform;grid-area:1/1}.cap.is-active{pointer-events:auto}.cap-intro h1{font-size:var(--t-display);color:var(--on-scrim);margin-block-end:var(--s4);font-weight:700;line-height:1.16}:root[lang=en] .cap-intro h1{letter-spacing:-.035em;font-weight:600;line-height:1.04}.hero-copy .lede{color:var(--on-scrim-muted);max-width:36ch}.cap-intro .lede{margin-block-end:var(--s5)}.scroll-cue{color:var(--on-scrim-muted);align-items:center;gap:14px;font-size:.8125rem;display:inline-flex}.scroll-mouse{opacity:.8;border:1.5px solid;border-radius:12px;flex:none;width:23px;height:37px;position:relative}.scroll-mouse i{inset-inline-start:50%;width:3px;height:7px;animation:scroll-wheel 1.9s var(--ease-out) infinite;background:currentColor;border-radius:2px;margin-inline-start:-1.5px;position:absolute;top:7px}@keyframes scroll-wheel{0%{opacity:0;transform:translateY(0)}18%{opacity:1}70%,to{opacity:0;transform:translateY(14px)}}.cap-step .step-num{font-family:var(--font-mono);color:var(--on-scrim-muted);margin-block-end:14px;font-size:.875rem;font-weight:500;display:block}.cap-step .step-num:after{content:"";vertical-align:middle;opacity:.5;background:currentColor;width:44px;height:1px;margin-inline-start:12px;display:inline-block}.cap-step .step-num--accent{color:var(--accent)}.cap-step h2,.cap-end h2{font-size:var(--t-h2);color:var(--on-scrim);margin-block-end:var(--s3);line-height:1.15}:root[lang=en] .cap-step h2,:root[lang=en] .cap-end h2{letter-spacing:-.03em;font-weight:600;line-height:1.05}.cap-step p,.cap-end p{color:var(--on-scrim-muted);max-width:34ch;font-size:1.0625rem}.cap-end p{margin-block-end:var(--s4)}.cap-end .btn{background:var(--on-scrim);border-color:var(--on-scrim);color:var(--scrim)}.cap-end .btn:hover{background:#fff;border-color:#fff}.hero-progress{background:rgba(var(--scrim-rgb), .16);z-index:3;height:3px;position:absolute;inset-block-end:0;inset-inline:0}.hero-progress i{background:var(--accent);height:100%;transform-origin:var(--prog-origin,right);display:block;transform:scaleX(0)}:root[dir=ltr] .hero-progress i{--prog-origin:left}.room-label{background:color-mix(in srgb, var(--paper) 86%, transparent);color:var(--ink);white-space:nowrap;opacity:0;border-radius:6px;flex-direction:column;align-items:center;gap:0;padding:3px 8px 4px;font-size:.75rem;line-height:1.35;display:flex}.room-label .rl-name{font-weight:600;display:block}.room-label .rl-area{font-family:var(--font-mono);color:var(--accent);font-size:.6875rem}:root[lang=fa] .room-label .rl-area{font-family:var(--font-fa)}.dim-label{font-family:var(--font-mono);color:var(--ink);opacity:0;font-size:.6875rem}:root[lang=fa] .dim-label{font-family:var(--font-fa)}.dim-label span{background:var(--paper);padding:0 4px;line-height:1.3;display:inline-block}.dim-label.is-v span{transform:rotate(-90deg)}.sheet{isolation:isolate;position:relative}.sheet:before{content:"";z-index:-1;background-image:linear-gradient(var(--grid-major) 1px, transparent 1px), linear-gradient(90deg, var(--grid-major) 1px, transparent 1px), linear-gradient(var(--grid-minor) 1px, transparent 1px), linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);background-position:top;background-size:120px 120px,120px 120px,24px 24px,24px 24px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000,#000 320px calc(100% - 200px),#0000);mask-image:linear-gradient(#0000,#000 320px calc(100% - 200px),#0000)}.section{padding-block:clamp(96px,12vw,168px);scroll-margin-block-start:var(--header-h)}.section-head{margin-block-end:clamp(40px,5vw,64px)}.section-head h2,.cta h2,.faq-head h2{font-size:var(--t-h2);max-width:20ch;margin-block-end:var(--s3);line-height:1.22}:root[lang=en] .section-head h2,:root[lang=en] .cta h2,:root[lang=en] .faq-head h2{letter-spacing:-.03em;font-weight:600;line-height:1.08}.reveal{opacity:0;transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);transform:translateY(24px)}.reveal.is-in{opacity:1;transform:none}.video-frame{max-width:1020px;margin-inline:auto;padding-block-start:var(--s5);padding-inline-end:34px;position:relative}.video-placeholder{aspect-ratio:16/9;border:1px solid var(--line-strong);background-color:var(--paper-2);background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-position:50%;background-size:48px 48px;border-radius:4px;place-content:center;justify-items:center;gap:10px;display:grid;position:relative;overflow:hidden}.video-placeholder:before,.video-placeholder:after{content:"";pointer-events:none;background:linear-gradient(to top right, transparent calc(50% - .5px), var(--line) calc(50% - .5px), var(--line) calc(50% + .5px), transparent calc(50% + .5px));position:absolute;inset:0}.video-placeholder:after{transform:scaleX(-1)}.video-placeholder>*{z-index:1;position:relative}.play{border:1px solid var(--ink);background:var(--paper);width:84px;height:84px;color:var(--ink);cursor:not-allowed;border-radius:50%;place-items:center;margin-block-end:10px;display:grid}.play svg{fill:currentColor;width:28px;height:28px;margin-inline-start:4px}:root[dir=rtl] .play svg{margin-inline:0 4px;transform:none}.vp-title{background:var(--paper-2);padding:0 10px;font-size:1.0625rem;font-weight:600}.vp-note{font-family:var(--font-mono);color:var(--muted);background:var(--paper-2);padding:0 10px;font-size:.75rem}:root[lang=fa] .vp-note{font-family:var(--font-fa)}.crop{border:0 solid var(--ink);width:18px;height:18px;position:absolute}.crop-tl{border-top-width:1.5px;border-left-width:1.5px;top:10px;left:10px}.crop-tr{border-top-width:1.5px;border-right-width:1.5px;top:10px;right:10px}.crop-bl{border-bottom-width:1.5px;border-left-width:1.5px;bottom:10px;left:10px}.crop-br{border-bottom-width:1.5px;border-right-width:1.5px;bottom:10px;right:10px}.dim{color:var(--ink);font-family:var(--font-mono);justify-content:center;align-items:center;font-size:.6875rem;display:flex;position:absolute}.dim:before{content:"";background:var(--line-strong);position:absolute}.dim span{background:var(--paper);padding:0 8px;position:relative}.dim-x{top:4px;border-inline:1px solid var(--line-strong);height:14px;inset-inline:0 34px}.dim-x:before{inset-inline:0;height:1px;top:50%}.dim-y{top:30px;bottom:0;border-block:1px solid var(--line-strong);width:14px;inset-inline-end:6px}.dim-y:before{inset-block:0;width:1px;left:50%}.dim-y span{white-space:nowrap;transform:rotate(-90deg)}.cta{text-align:center;flex-direction:column;align-items:center;padding-block:clamp(64px,8vw,110px);display:flex;position:relative}.cta-section .container{max-width:1180px}.cta:before{content:"";inset:0;inset-inline:var(--pad);border:1px solid var(--line-strong);background:var(--paper-2);z-index:-1;border-radius:4px;position:absolute}.cta h2{max-width:18ch}.cta .lede{margin-block-end:var(--s5);margin-inline:auto}.cta-meta{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:26px 0 0;padding:0;font-size:.8125rem;list-style:none;display:flex}.cta-meta li{align-items:center;gap:8px;display:inline-flex}.cta-meta li:before{content:"";border:1px solid var(--ink);width:5px;height:5px;transform:rotate(45deg)}.keys{direction:ltr;gap:6px;display:flex;position:absolute;inset-block-start:26px;inset-inline-end:calc(var(--pad) + 26px)}.keys kbd{border:1px solid var(--line-strong);min-width:26px;height:26px;color:var(--ink);background:var(--paper);border-block-end-width:2px;border-radius:6px;place-items:center;padding:0 6px;font-size:.6875rem;display:inline-grid}.cta:after{content:"";background:linear-gradient(var(--ink), var(--ink)) center / 13px 1px no-repeat, linear-gradient(var(--ink), var(--ink)) center / 1px 13px no-repeat;width:13px;height:13px;position:absolute;inset-block-start:-7px;inset-inline-start:calc(var(--pad) - 7px)}.faq{grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);align-items:start;gap:clamp(32px,6vw,96px);display:grid}.faq-head{top:calc(var(--header-h) + 32px);position:sticky}.faq-head h2{max-width:12ch}.faq-list{border-block-start:1px solid var(--line-strong)}.faq-item{border-block-end:1px solid var(--line-strong)}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;gap:24px;padding-block:24px;font-size:1.0625rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:hover{color:var(--ink)}.plus{border:1px solid var(--line-strong);border-radius:8px;flex:none;width:28px;height:28px;position:relative}.plus:before,.plus:after{content:"";width:11px;height:1.5px;transition:transform .35s var(--ease-out);background:currentColor;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.plus:after{transform:translate(-50%,-50%)rotate(90deg)}.faq-item.is-open .plus:after{transform:translate(-50%,-50%)rotate(0)}.faq-item.is-open .plus{border-color:var(--ink);color:var(--ink)}.faq-a{overflow:hidden}.faq-a p{color:var(--muted);max-width:60ch;padding-block-end:var(--s4)}.site-footer{border-block-start:1px solid var(--line);padding-block:var(--s5)}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.footer-brand{align-items:center;gap:12px;display:flex}.footer-brand div{flex-direction:column;line-height:1.4;display:flex}.footer-brand span{color:var(--muted);font-size:.8125rem}.footer-links{gap:22px;font-size:.875rem;display:flex}.footer-links a{color:var(--muted);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--text)}.footer-copy{color:var(--faint);font-size:.8125rem}@media (width<=859px),(aspect-ratio<=21/20){.hero-copy{inset-block:calc(var(--header-h) + 4px) auto;inset-inline:var(--pad);align-items:start;width:auto}.cap-intro h1{margin-block-end:14px;font-size:clamp(2rem,7.4vw,3rem)}.cap-intro .lede{margin-block-end:18px;font-size:.975rem}.cap-step h2,.cap-end h2{margin-block-end:8px;font-size:clamp(1.8rem,6.5vw,2.6rem)}.cap-step p,.cap-end p{font-size:.975rem}.cap-end p{margin-block-end:16px}.hero-scrim{background:linear-gradient(to bottom, rgba(var(--scrim-rgb), .98) 0%, rgba(var(--scrim-rgb), .96) 44%, rgba(var(--scrim-rgb), .8) 64%, rgba(var(--scrim-rgb), .44) 80%, rgba(var(--scrim-rgb), .14) 92%, rgba(var(--scrim-rgb), 0) 100%);width:auto;height:min(74%,560px);-webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 10px));-webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 10px));mask-image:linear-gradient(to bottom, transparent 0, #000 calc(var(--header-h) + 10px));inset-block:0 auto;inset-inline:0}.hero-copy{padding-inline:var(--pad);width:auto}.scroll-cue{gap:10px}}@media (width<=859px){.faq{grid-template-columns:1fr}.faq-head{position:static}.keys{display:none}.video-frame{padding-inline-end:26px}}@media (width<=520px){.site-header .btn-sm,.scroll-cue-label{display:none}}@media (prefers-reduced-motion:reduce){.scroll-mouse i{opacity:1;animation:none}.reveal{opacity:1;transform:none}}