@font-face {
  font-family: "DM Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/dm-mono-400.woff2) format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/space-grotesk-400.woff2) format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(assets/fonts/space-grotesk-600.woff2) format("woff2");
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/fonts/space-grotesk-700.woff2) format("woff2");
}
@font-face {
  font-family: "Vazirmatn";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/vazirmatn-400.woff2) format("woff2");
}
@font-face {
  font-family: "Vazirmatn";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(assets/fonts/vazirmatn-600.woff2) format("woff2");
}
@font-face {
  font-family: "Vazirmatn";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(assets/fonts/vazirmatn-800.woff2) format("woff2");
}

/* RAHIN / editorial system. Local fonts, shared spacing and native RTL layout. */
:root{--bg:#080d12;--surface:#0d151d;--surface-2:#13202a;--text:#ecf2f3;--muted:#a8b7c4;--faint:#91a3b2;--line:#ffffff20;--green:#72e5c0;--blue:#80baff;--purple:#b6a2f5;--orange:#ffc08a;--pink:#f79fae;--max:1240px;--ease:cubic-bezier(.2,.7,.2,1);--body-font:'Space Grotesk',system-ui,sans-serif;--mono:'DM Mono',monospace}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--text);background:var(--bg);font-family:var(--body-font);font-size:16px;line-height:1.75}html:lang(fa){--body-font:'Vazirmatn',Tahoma,sans-serif;--mono:'Vazirmatn',Tahoma,sans-serif}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:5px}img,svg{max-width:100%}p,h1,h2,h3{margin:0}h1,h2,h3{font-weight:600}button{text-align:inherit}.shell{width:min(calc(100% - 80px),var(--max));margin-inline:auto}.section{position:relative;padding-block:108px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:110;inset-block-start:12px;inset-inline-start:12px;padding:10px 16px;background:var(--green);color:var(--bg);transform:translateY(-180%)}.skip-link:focus{transform:none}.site-noise{display:none}.site-header{position:fixed;inset:0 0 auto;z-index:50;background:#080d12ed;border-bottom:1px solid transparent;transition:border-color .25s,background .25s}.site-header.scrolled{background:#080d12f5;border-color:var(--line);backdrop-filter:blur(12px)}.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;gap:12px;align-items:center;direction:ltr;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;letter-spacing:.12em}.brand-mark{width:33px;height:33px;stroke:var(--green);fill:none;color:var(--green);stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round}.nav-menu{display:flex;align-items:center;gap:28px}.nav-menu a{font-size:14px;color:var(--muted);padding-block:10px;position:relative;white-space:nowrap}.nav-menu a::after{content:'';height:1px;background:var(--green);position:absolute;inset-inline:0;bottom:2px;transform:scaleX(0);transition:transform .25s}.nav-menu a:hover,.nav-menu a.active{color:var(--text)}.nav-menu a.active::after{transform:scaleX(1)}.language-toggle{width:44px;height:44px;border:1px solid #ffffff45;background:none;border-radius:50%;font-size:13px;font-family:var(--body-font);line-height:1}.menu-toggle{display:none;background:none;border:0;min-width:44px;min-height:44px}.menu-toggle>span:not(.sr-only){display:block;width:23px;height:1px;margin:6px;background:var(--text)}
/* Type follows each script: connected Persian letters never inherit Latin tracking. */
h1{font-size:clamp(46px,4.7vw,70px);line-height:1.1;letter-spacing:-.055em;max-width:12ch}h2{font-size:clamp(34px,3.5vw,50px);line-height:1.22;letter-spacing:-.035em;text-wrap:balance}h3{font-size:23px;line-height:1.4;letter-spacing:-.02em}em{font-style:normal;color:#adcbc7}:lang(fa) h1,:lang(fa) h2,:lang(fa) h3{letter-spacing:0;font-weight:600}:lang(fa) h1{font-size:clamp(40px,4.3vw,62px);line-height:1.65;max-width:15ch}:lang(fa) h2{font-size:clamp(30px,3vw,44px);line-height:1.65}:lang(fa) h3{font-size:23px;line-height:1.7}:lang(en) .person-card h3{font-size:clamp(18px,1.65vw,24px);letter-spacing:-.035em}.eyebrow,.section-kicker{display:flex;gap:12px;align-items:center;font-size:12px;line-height:1.7;font-family:var(--mono);letter-spacing:.08em;color:var(--green)}.section-kicker{margin-bottom:24px}.section-kicker>span:first-child{font-family:'DM Mono',monospace;color:var(--faint);letter-spacing:0}.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--green);flex:none}:lang(fa) .eyebrow,:lang(fa) .section-kicker{letter-spacing:0;font-size:13px}.section-heading{max-width:760px}.section-heading h2{margin-bottom:24px}.section-heading>p,.method-header>p{max-width:530px;color:var(--muted);font-size:16px;line-height:1.95}.split-heading,.method-header{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:90px;max-width:none;align-items:end}.split-heading>p,.method-header>p{padding-bottom:8px}.split-heading h2{margin-bottom:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:13px 21px;border:1px solid #ffffff35;border-radius:4px;font-size:14px;font-weight:600;line-height:1.7;transition:background .2s,border-color .2s,transform .2s}.button-primary{background:var(--green);color:#0a2420;border-color:var(--green)}.button-primary:hover{background:#99f0d5;transform:translateY(-2px)}.button-ghost{background:#ffffff03}.button-ghost:hover{background:#ffffff0a;border-color:#ffffff70}.button span{font-size:18px}
/* Short English headline keeps the same line breaks while local fonts load. */
html:lang(en) .hero h1{max-width:none}
/* Hero: a stable reading plane over a separate 3D illustration. */
.hero{min-height:800px;padding-block:152px 100px;overflow:clip;background:radial-gradient(ellipse at 80% 45%,#18434235,transparent 52%)}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(#a1d8d608 1px,transparent 1px),linear-gradient(90deg,#a1d8d608 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(black,transparent);pointer-events:none}.hero-orbit{display:none}.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:65px;align-items:center}.hero-copy{min-width:0}.hero .eyebrow{margin-bottom:25px}.hero h1 em{color:var(--green)}.hero-lede{color:var(--muted);font-size:17px;line-height:1.9;margin-top:26px;max-width:52ch}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.brand-promise{font-size:13px;color:var(--muted);margin-top:23px}.hero-meta{display:flex;align-items:center;gap:14px;margin-top:32px;font-size:13px;color:var(--muted)}.hero-meta>span:first-child{font:30px 'Space Grotesk',sans-serif;color:var(--text)}.hero-visual{min-width:0}.network{position:relative;aspect-ratio:1;isolation:isolate;direction:ltr;perspective:1000px}.network-lines{position:absolute;inset:0;width:100%;height:100%;opacity:.7;z-index:1;pointer-events:none}.network-lines path,.network-ring{stroke:#aac9c940;fill:none;stroke-width:1}.network-lines path{stroke-dasharray:4 7;transition:stroke .2s}.network-lines path.active{stroke:var(--active);stroke-width:1.6}.network-lines [data-line=analyst]{--active:var(--blue)}.network-lines [data-line=visionary]{--active:var(--purple)}.network-lines [data-line=creative]{--active:var(--orange)}.network-lines [data-line=executor]{--active:var(--pink)}.network-lines [data-line=coordinator]{--active:var(--green)}.network-ring{stroke-dasharray:1 11}.network-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;text-align:center;pointer-events:none}.network-center>span{display:none}.network-center small{font:11px 'DM Mono',monospace;letter-spacing:.25em;color:#f2fffb;background:#061b18c9;padding:5px 8px;display:block;margin-top:90px;border:1px solid #72e5c03b}.role-node{position:absolute;z-index:4;width:134px;min-height:75px;padding:10px 12px;background:linear-gradient(135deg,#23323d,#101b24);border:1px solid #b1cecf38;border-radius:6px;box-shadow:0 9px 0 -8px #72e5c048,0 20px 35px #0006;text-align:start;transition:background .2s,border-color .2s;direction:inherit}.node-number{display:block;color:var(--node-color);font:11px 'DM Mono',monospace;margin-bottom:5px}.role-node strong{font-size:12px;font-weight:600;line-height:1.55;display:block}.role-node small{display:none}.role-node:hover,.role-node:focus-visible,.role-node.active{border-color:var(--node-color);background:#25363f}.role-node-analyst{left:50%;top:0;transform:translateX(-50%);--node-color:var(--blue)}.role-node-visionary{right:-6px;top:28%;--node-color:var(--purple)}.role-node-creative{right:10%;bottom:2%;--node-color:var(--orange)}.role-node-executor{left:10%;bottom:2%;--node-color:var(--pink)}.role-node-coordinator{left:-6px;top:28%;--node-color:var(--green)}:lang(fa) .role-node{direction:rtl}:lang(fa) .role-node strong{font-size:13px;line-height:1.8}.visual-tools{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.visual-label{font:10px 'DM Mono',monospace;letter-spacing:.06em;color:var(--faint)}.network-caption{display:flex;align-items:start;gap:9px;min-height:86px;color:var(--muted);font-size:13px;line-height:1.9;margin-top:15px}.pulse{flex:none;display:block;width:5px;height:5px;border-radius:50%;background:var(--green);margin-top:10px}.scroll-cue{display:none}.sculpture{position:absolute;inset:14%;z-index:2;perspective:800px;pointer-events:none;transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transition:transform .35s var(--ease)}.sculpture-assembly,.sculpture-object{position:absolute;inset:0;transform-style:preserve-3d}
.sculpture-object{transform:rotateX(54deg) rotateZ(-34deg)}
.glass-layer{position:absolute;inset:15%;backface-visibility:hidden}
.glass-surface{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.layer-back{transform:translateZ(-34px);opacity:.55}
.layer-middle{transform:translateZ(4px);opacity:.8}
.layer-front{transform:translateZ(43px);display:grid;place-items:center}
.orbit-frame{position:absolute;inset:-5%;width:110%;height:110%;transform:translateZ(-50px)}
.sculpture-axis{position:absolute;inset:3%;width:94%;height:94%;transform:translateZ(-52px)}

/* Services lead; people are introduced through their contribution. */
.section-intro{border-top:1px solid var(--line)}.intro-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:65px}.intro-content h2{margin-bottom:24px}.section-lede{color:var(--muted);font-size:18px;line-height:1.95;max-width:68ch}.working-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:40px}.working-principles>div{border-top:1px solid #ffffff30;padding-top:17px}.working-principles span{font:12px 'DM Mono',monospace;color:var(--green)}.working-principles p{font-size:14px;line-height:1.9;margin-top:12px;color:var(--muted)}.section-roles{background:var(--surface);border-block:1px solid var(--line)}.role-architecture{margin-top:40px;display:grid;grid-template-columns:1fr}.role-panel{display:grid;grid-template-columns:46px minmax(0,1fr) minmax(180px,.53fr);gap:32px;align-items:start;border-top:1px solid #ffffff25;padding-block:30px}.role-panel-index{font:12px 'DM Mono',monospace;color:var(--role-color);padding-top:9px}.role-panel h3{margin-bottom:10px}.role-panel p{max-width:62ch;font-size:15px;line-height:1.95;color:var(--muted)}.role-fact{padding-inline-start:24px;border-inline-start:1px solid #ffffff25}.role-fact span{display:block;color:var(--faint);font-size:12px;margin-bottom:7px}.role-fact strong{font-weight:400;font-size:14px;line-height:1.9;color:var(--role-color)}.role-analyst{--role-color:var(--blue);--person-color:var(--blue)}.role-visionary{--role-color:var(--purple);--person-color:var(--purple)}.role-creative{--role-color:var(--orange);--person-color:var(--orange)}.role-executor{--role-color:var(--pink);--person-color:var(--pink)}.role-coordinator{--role-color:var(--green);--person-color:var(--green)}
.section-reactor{background:var(--bg)}.reactor-shell{display:grid;grid-template-columns:280px minmax(0,1fr);margin-top:40px;border:1px solid #ffffff28;border-radius:8px;overflow:clip;background:var(--surface)}.reactor-choices{border-inline-end:1px solid var(--line);display:grid}.challenge{display:grid;grid-template-columns:22px 1fr;gap:4px 12px;text-align:start;background:none;border:0;border-bottom:1px solid var(--line);padding:24px 20px;transition:background .2s}.challenge:last-child{border-bottom:0}.challenge>span{grid-row:span 2;font:11px 'DM Mono',monospace;color:var(--faint);padding-top:5px}.challenge strong{font-size:15px;line-height:1.7}.challenge small{grid-column:2;font-size:13px;color:var(--muted);line-height:1.9}.challenge.active{background:#72e5c00d}.challenge.active strong{color:var(--green)}.reactor-result{padding:28px 30px;display:flex;flex-direction:column}.reactor-topline{display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:13px;color:var(--text)}.reactor-status{color:var(--muted);font-size:12px}.reactor-status i{display:none}.reactor-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-block:34px;flex:1}.flow-step{text-align:center}.flow-icon{display:grid;place-items:center;margin:0 auto 15px;width:42px;height:42px;background:none;border:1px solid var(--role-color);border-radius:50%;color:var(--role-color);font:12px 'DM Mono',monospace;transition:background .2s}.flow-icon:hover,.flow-icon[aria-pressed=true]{background:#ffffff0d}.flow-step strong{display:block;font-size:13px;line-height:1.7;font-weight:600}.flow-step small{display:block;font-size:12px;color:var(--muted);margin-top:7px;line-height:1.8}.reactor-note{font-size:14px;color:var(--green);border-top:1px solid var(--line);padding-top:20px;line-height:1.9;min-height:75px}
.section-method{background:var(--surface);border-block:1px solid var(--line)}.method-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:45px;position:relative}.method-track::before{content:'';position:absolute;inset:10px 0 auto;height:1px;background:#72e5c03b}.method-step{position:relative;text-align:start}.method-step button{position:relative;background:none;border:0;padding:0 0 12px;width:100%}.method-dot{display:block;width:20px;height:20px;border:1px solid var(--method-color);border-radius:50%;background:var(--surface);margin-bottom:20px;transition:background .2s,box-shadow .2s}.method-step [aria-pressed=true] .method-dot{background:var(--method-color);box-shadow:0 0 20px #72e5c040}.method-step button>span:nth-child(2){font:11px 'DM Mono',monospace;color:var(--muted)}.method-step strong{display:block;font-size:15px;line-height:1.8;font-weight:600;margin-top:7px}.method-step p{font-size:13px;line-height:1.9;color:var(--muted)}.color-green{--method-color:var(--green)}.color-blue{--method-color:var(--blue)}.color-purple{--method-color:var(--purple)}.color-orange{--method-color:var(--orange)}.color-pink{--method-color:var(--pink)}.method-detail{margin-top:32px;padding:24px 28px;border:1px solid #ffffff26;border-inline-start:2px solid var(--green);background:var(--bg);border-radius:4px;min-height:166px}.method-detail h3{font-size:23px;margin-block:10px}.method-detail p{font-size:14px;color:var(--muted)}.cycle-note{font-size:13px;color:var(--muted);margin-top:18px;line-height:1.9}
/* Six editorial profiles: a short signature and one grounded paragraph. */
.section-people{background:var(--surface);border-block:1px solid var(--line)}
.people-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px 32px;margin-top:48px}
.person-card{position:relative;display:flex;flex-direction:column;min-width:0;padding:28px 22px 0;border-top:1px solid #ffffff30;background:linear-gradient(160deg,#ffffff03,transparent 65%)}
.person-index{position:absolute;top:30px;inset-inline-end:22px;font:12px 'DM Mono',monospace;color:var(--faint)}
.person-avatar{width:72px;height:72px;display:block;margin-bottom:20px;transition:transform .4s var(--ease)}
.person-card h3{font-size:26px;overflow-wrap:anywhere}
.person-tagline{color:var(--person-color);font-size:16px;font-weight:600;line-height:1.9;margin-block:12px 16px}
.person-contribution{font-size:15px;line-height:2;color:var(--muted);margin-bottom:24px}
.person-green{--person-color:var(--green)}.person-blue{--person-color:var(--blue)}.person-pink{--person-color:var(--pink)}.person-purple{--person-color:var(--purple)}.person-orange{--person-color:var(--orange)}.person-cyan{--person-color:#80dce8}
@media(hover:hover) and (pointer:fine){.person-card:hover .person-avatar{transform:translateY(-4px) rotate(-5deg)}}
.journey-line{margin-top:35px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px}.journey-point{position:relative;padding:17px 0;display:flex;align-items:center;gap:15px;border-top:1px solid var(--line)}.journey-point>span:first-child{font:11px 'DM Mono',monospace;color:var(--faint)}.journey-point button{background:none;border:0;flex:1;min-height:44px;padding:8px 0;font-size:16px}.journey-point.active button{color:var(--green)}.journey-indicator{color:var(--green);font-size:22px}.journey-detail{margin-top:22px;min-height:72px;font-size:16px;line-height:1.9;color:var(--muted);max-width:800px}.content-note{font-size:13px;color:var(--muted);line-height:1.9}.section-journey .content-note{margin-top:16px}
.section-contact{border-top:1px solid var(--line);background:var(--surface);overflow:clip}.contact-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 15% 80%,#28504b40,transparent 55%)}.contact-inner{position:relative}.contact-inner h2{font-size:clamp(40px,4.7vw,66px);line-height:1.18;max-width:17ch;letter-spacing:-.04em}.contact-inner>p{max-width:65ch;color:var(--muted);font-size:17px;line-height:1.95;margin-top:25px}.contact-action{margin-top:30px}.contact-inner .content-note{font-size:13px;margin-top:15px}.socials{margin-top:32px;font-size:14px;color:var(--green)}.socials a{padding-block:12px;display:inline-block;border-bottom:1px solid #72e5c054}.socials a:hover{border-color:var(--green)}:lang(fa) .contact-inner h2{font-size:clamp(34px,4vw,56px);line-height:1.65;letter-spacing:0;max-width:20ch}.footer{padding-block:30px;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer p,.footer-year{font-size:13px;color:var(--muted)}.footer-year{direction:ltr;font-family:'Space Grotesk',sans-serif}.footer .brand{font-size:15px}.back-to-top{position:fixed;bottom:22px;inset-inline-end:22px;z-index:40;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .2s,transform .2s;background:var(--surface-2);color:var(--green);border:1px solid #72e5c070;border-radius:50%;width:44px;height:44px;font-size:21px}.back-to-top.visible{opacity:1;visibility:visible;transform:none}
/* Accessible native dialog with a single typographic rhythm. */
body.dialog-open{overflow:hidden}.modal{width:min(700px,calc(100% - 32px));max-height:calc(100dvh - 40px);margin:auto;padding:0;border:1px solid #ffffff40;border-radius:10px;background:var(--surface);color:var(--text);box-shadow:0 30px 100px #0009;overflow:auto}.modal::backdrop{background:#04090dda;backdrop-filter:blur(8px)}.modal-inner{position:relative;padding:65px 36px 32px}.modal-close{position:absolute;inset-inline-end:17px;top:14px;width:44px;height:44px;border-radius:50%;border:1px solid #ffffff40;background:none;font-size:25px;line-height:1}.modal-close:hover{background:#ffffff0b}.modal-kicker{font-size:12px;color:var(--green)}.modal h2{font-size:34px;line-height:1.5;margin-block:12px 18px;letter-spacing:-.02em}.modal-lede{color:var(--muted);font-size:16px;line-height:1.95}.modal-facts{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-block:26px}.modal-fact{padding-top:16px;border-top:1px solid var(--line)}.modal-fact>span{font-size:12px;color:var(--green)}.modal-fact p{font-size:15px;line-height:1.9;margin-top:9px}.modal form{margin-top:28px}.modal label{font-size:15px;display:block;margin-bottom:22px}.modal textarea,.modal input{width:100%;display:block;background:#080d12;border:1px solid #acbdc270;color:var(--text);border-radius:4px;padding:11px 14px;line-height:1.85;margin-top:8px;font-size:16px}.modal textarea{resize:vertical}.form-feedback{font-size:14px;color:var(--green);line-height:1.9;margin-top:16px}.noscript-note{padding:24px;color:var(--green)}
/* One entrance per item. Native wheel/touch scrolling remains uninterrupted. */
.reveal{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.22,1,.36,1),transform 1.05s cubic-bezier(.16,1,.3,1);transition-delay:var(--reveal-delay,0ms)}
.reveal.observed:not(.visible){opacity:0;transform:translate3d(0,30px,0)}
.reveal.visible{opacity:1;transform:none}
.reveal:focus-within{opacity:1;transform:none;transition:none}
.modal[open]{animation:dialog-in .22s var(--ease)}@keyframes dialog-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
/* Circular controls keep their contents centered in both writing directions. */
.language-toggle,.modal-close,.back-to-top,.flow-icon{
  display:grid;
  place-items:center;
  padding:0;
  flex-shrink:0;
  text-align:center;
  line-height:1;
}
.modal-close svg,.back-to-top svg{
  display:block;
  width:20px;
  height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
  pointer-events:none;
}
@media(min-width:1600px){.hero{padding-block:175px 130px}}
@media(max-width:1100px){.shell{width:calc(100% - 56px)}.nav-menu{gap:20px}.hero-inner{gap:36px}.role-node{width:117px}.role-node strong{font-size:11px}.role-node-creative{right:5%}.role-node-executor{left:5%}.people-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.split-heading,.method-header{gap:45px}.intro-layout{grid-template-columns:150px minmax(0,1fr);gap:40px}.reactor-shell{grid-template-columns:230px minmax(0,1fr)}.reactor-flow{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:22px}.reactor-result{padding:25px}.visual-label{display:none}.visual-tools{justify-content:flex-end}.hero h1{font-size:52px}:lang(fa) .hero h1{font-size:44px}.network-center small{margin-top:60px}}
@media(max-width:900px){.section{padding-block:80px}.hero{padding-block:132px 75px}.hero-inner{grid-template-columns:1fr;gap:42px}.hero-copy{max-width:680px}.hero h1{max-width:17ch;font-size:62px}:lang(fa) .hero h1{font-size:52px;max-width:20ch}.hero-visual{width:min(490px,100%);margin-inline:auto}.visual-label{display:block}.visual-tools{justify-content:space-between}.network{width:100%}.role-node{width:133px}.role-node strong{font-size:13px}.role-node-creative{right:10%}.role-node-executor{left:10%}.network-center small{margin-top:90px}.intro-layout{grid-template-columns:1fr;gap:0}.intro-layout>.section-kicker{margin-bottom:22px}.split-heading,.method-header{grid-template-columns:1fr;gap:22px}.method-track{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:25px}.method-track::before{display:none}.role-panel{grid-template-columns:30px minmax(0,1fr) minmax(150px,.55fr);gap:22px}.journey-line{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){html{scroll-padding-top:88px}.shell{width:calc(100% - 40px)}.section{padding-block:64px}.nav{height:72px}.brand{font-size:17px}.menu-toggle{display:block}.nav-menu{position:absolute;inset:72px 0 auto;display:flex;flex-direction:column;gap:0;align-items:stretch;max-height:calc(100dvh - 72px);overflow:auto;padding:14px 24px 24px;background:#080d12fa;border-bottom:1px solid #ffffff40;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s}.nav-menu.open{visibility:visible;opacity:1;transform:none}.nav-menu a{font-size:16px;min-height:50px;border-bottom:1px solid var(--line);padding-block:13px}.nav-menu .language-toggle{margin-top:18px;align-self:flex-start}.hero{padding-block:116px 54px}.hero h1{font-size:clamp(40px,8vw,54px);line-height:1.16}:lang(fa) .hero h1{font-size:clamp(34px,7.8vw,48px);line-height:1.75}.hero-lede{font-size:16px;line-height:2}.hero-actions{gap:10px;margin-top:25px}.button{font-size:14px;padding-inline:16px;gap:16px}.hero-meta{margin-top:22px}.brand-promise{font-size:12px}.eyebrow,.section-kicker{font-size:11px}:lang(fa) .eyebrow,:lang(fa) .section-kicker{font-size:12px}h2{font-size:34px;line-height:1.3}:lang(fa) h2{font-size:30px;line-height:1.8}.section-heading h2{margin-bottom:18px}.section-heading>p,.method-header>p,.section-lede{font-size:16px;line-height:2}.working-principles{grid-template-columns:1fr;gap:15px;margin-top:28px}.working-principles>div{display:flex;gap:18px;align-items:baseline;padding-top:15px}.working-principles p{margin:0;font-size:14px}.role-panel{grid-template-columns:25px minmax(0,1fr);gap:10px 16px;padding-block:24px}.role-panel h3{font-size:21px}.role-panel p{font-size:15px}.role-fact{grid-column:2;padding-inline-start:0;border:0;margin-top:10px}.role-fact span{display:inline;margin-inline-end:10px}.role-fact strong{font-size:13px}.reactor-shell{grid-template-columns:1fr;margin-top:28px}.reactor-choices{border-inline-end:0;border-bottom:1px solid var(--line)}.challenge{padding:18px}.reactor-result{padding:22px 18px}.reactor-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}.reactor-topline{flex-wrap:wrap;gap:6px}.reactor-note{min-height:105px}.method-track{display:block;margin-top:30px;margin-inline-start:10px;border-inline-start:1px solid #72e5c050}.method-step{padding-inline-start:28px;padding-bottom:24px}.method-step button{display:flex;align-items:center;gap:12px;padding-block:6px}.method-dot{position:absolute;inset-inline-start:-38px;margin:0}.method-step strong{font-size:16px;margin:0}.method-step p{font-size:14px}.method-detail{padding:20px;min-height:195px}.method-detail h3{font-size:21px}.people-grid{grid-template-columns:1fr;gap:28px}.person-card{padding:24px 20px 0}.person-card h3{font-size:23px}.person-contribution{font-size:14px}.journey-line{grid-template-columns:1fr}.journey-point{padding-block:10px}.journey-detail{font-size:15px;min-height:96px}.contact-inner h2{font-size:40px;line-height:1.3}:lang(fa) .contact-inner h2{font-size:32px;line-height:1.8}.contact-inner>p{font-size:16px}.contact-inner .content-note{font-size:12px}.footer-inner{flex-wrap:wrap;gap:20px}.footer p{order:3;flex-basis:100%;font-size:14px}.modal-inner{padding:66px 24px 28px}.modal h2{font-size:28px}.modal-facts{grid-template-columns:1fr;gap:20px}.modal-lede{font-size:16px}.visual-label{font-size:9px}.network-caption{font-size:13px;min-height:115px}.role-node{width:118px}.role-node strong{font-size:12px}:lang(fa) .role-node strong{font-size:12px}.role-node-creative{right:8%}.role-node-executor{left:8%}}
@media(max-width:430px){.hero-visual{max-width:345px}.network{height:375px;aspect-ratio:auto}.network-lines{opacity:.45}.role-node{width:112px;min-height:73px;padding:9px}.role-node-visionary,.role-node-coordinator{top:29%}.role-node-visionary{right:0}.role-node-coordinator{left:0}.role-node-creative{bottom:0;right:3%}.role-node-executor{bottom:0;left:3%}.sculpture{inset:25% 20%}.network-center small{margin-top:75px;font-size:9px}.people-grid{grid-template-columns:1fr}.person-avatar{width:64px;height:64px}.person-contribution{font-size:15px}.visual-label{display:none}.visual-tools{justify-content:flex-end}.hero-meta>span:first-child{font-size:26px}.button{gap:12px}.brand-promise{max-width:32ch}}

/* RAHIN identity: a continuous route, legible in either reading direction. */
.brand-word{display:grid;gap:3px;line-height:1.1;letter-spacing:.14em}
.brand-word small{font:400 11px/1.4 'Vazirmatn',Tahoma,sans-serif;letter-spacing:0;color:var(--muted);text-align:center}
.sculpture-mark{width:58%;height:58%;overflow:visible;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;color:#dcfff3;position:relative}
.hero h1{font-size:clamp(44px,4.4vw,64px)}
:lang(fa) .hero h1{font-size:clamp(36px,3.65vw,53px);max-width:none;line-height:1.8}
.hero h1>span,.hero h1>em{display:inline-block}
.hero-lede,.section-lede,.person-contribution{text-wrap:pretty}
.visual-tools{justify-content:center}
.brand-mark{flex-shrink:0}
.person-card{border-top-color:color-mix(in srgb,var(--person-color) 42%,transparent)}
.person-card::after{content:'';width:34px;height:2px;background:var(--person-color);opacity:.65;margin-block:auto 22px;border-radius:2px}
.section-kicker::after{content:'';height:1px;width:56px;flex-shrink:0;background:linear-gradient(90deg,var(--green),transparent);opacity:.45;transform-origin:left;transition:transform 1.1s var(--ease)}
[dir=rtl] .section-kicker::after{transform:rotate(180deg)}
.reveal.observed:not(.visible) .section-kicker::after{transform:scaleX(0)}
.journey-indicator{transition:transform .35s var(--ease)}
.journey-point.active .journey-indicator{transform:rotate(45deg)}
.site-header::after{content:'';position:absolute;bottom:-1px;inset-inline:0;height:1px;background:var(--green);opacity:.75;transform:scaleX(var(--reading-progress,0));transform-origin:left;pointer-events:none}
[dir=rtl] .site-header::after{transform-origin:right}
@media(prefers-reduced-motion:no-preference){
  .brand-mark path{stroke-dasharray:100;stroke-dashoffset:0;animation:route-draw 1.2s var(--ease) both}
  .network.scene-entered .sculpture-assembly{animation:assemble-scene 1.7s cubic-bezier(.16,1,.3,1)}
  .network.scene-entered .layer-front{animation:assemble-front 1.7s cubic-bezier(.16,1,.3,1)}
  .network.scene-entered .layer-back{animation:assemble-back 1.7s cubic-bezier(.16,1,.3,1)}

  
}
@keyframes route-draw{from{stroke-dashoffset:100}to{stroke-dashoffset:0}}
@keyframes assemble-scene{from{transform:rotateX(-16deg) rotateZ(12deg) scale(.94)}to{transform:none}}
@keyframes assemble-front{from{transform:translateZ(0)}to{transform:translateZ(43px)}}
@keyframes assemble-back{from{transform:translateZ(0)}to{transform:translateZ(-34px)}}
@keyframes scene-in{from{opacity:0;translate:0 12px}to{opacity:1;translate:0 0}}
@media(hover:hover) and (pointer:fine){
  .brand:hover .brand-mark{transform:rotate(-7deg)}
  .brand-mark{transition:transform .4s var(--ease)}
  
}
@media(max-width:900px){.hero h1{font-size:60px}:lang(fa) .hero h1{font-size:48px}}
@media(max-width:700px){.hero h1{font-size:clamp(34px,7.4vw,48px)}:lang(fa) .hero h1{font-size:clamp(26px,6.1vw,40px)}.hero-actions{flex-direction:column;align-items:flex-start}.hero-actions .button{min-width:210px}.brand-word small{font-size:10px}.section-kicker::after{width:32px}}

/* Touch-friendly visual story: each selected step changes the same small workbench. */
.method-workbench{display:grid;grid-template-columns:minmax(230px,.75fr) minmax(0,1.5fr);gap:24px;align-items:center;margin-top:32px}
.method-workbench .method-detail{margin-top:0;min-height:220px;display:flex;flex-direction:column;justify-content:center}
.method-scene{position:relative;padding:18px 22px 0;perspective:800px;min-width:0}
.scene-window{max-width:280px;margin-inline:auto;border:1px solid #72e5c055;border-radius:12px;background:linear-gradient(135deg,#1d3936,#101e25);box-shadow:0 18px 36px #0003;transform:rotateY(-8deg) rotateX(5deg);transition:transform .65s var(--ease),border-color .4s}
.scene-window-bar{height:30px;display:flex;align-items:center;gap:5px;padding-inline:14px;border-bottom:1px solid #ffffff18}
.scene-window-bar i{width:4px;height:4px;border-radius:50%;background:var(--green);opacity:.55}
.scene-window-bar span{margin-inline-start:auto;font:9px 'DM Mono',monospace;letter-spacing:.15em;color:var(--muted)}
.scene-content{position:relative;height:130px;overflow:clip}
.scene-note{position:absolute;inset:20px 24px;transition:opacity .4s,transform .65s var(--ease)}
.scene-note span{height:5px;display:block;background:#a8b7c44d;border-radius:5px;margin-bottom:14px;transform-origin:right;transition:transform .6s var(--ease)}
.scene-note span:first-child{width:52%;background:var(--green)}
.scene-note span:last-child{width:72%}
.scene-tile{position:absolute;inset-block-start:24px;width:24%;height:82px;border:1px solid #b6a2f580;border-radius:5px;background:#b6a2f51c;opacity:0;transform:translateY(22px) scale(.85);transition:transform .7s var(--ease),opacity .4s,background .4s}
.tile-a{inset-inline-start:9%}.tile-b{inset-inline-start:38%;transition-delay:60ms}.tile-c{inset-inline-start:67%;transition-delay:120ms}
.scene-check{position:absolute;width:68px;height:68px;inset:31px 0 auto;margin-inline:auto;fill:none;stroke:var(--green);stroke-width:2;opacity:0;transform:scale(.65);transition:opacity .4s,transform .7s var(--ease)}
.scene-check path{stroke-dasharray:40;stroke-dashoffset:40;transition:stroke-dashoffset .65s var(--ease) .18s}
[data-stage="1"] .scene-note,[data-stage="2"] .scene-note,[data-stage="3"] .scene-note{opacity:0;transform:translateY(-12px)}
[data-stage="1"] .scene-tile,[data-stage="2"] .scene-tile{opacity:1;transform:none}
[data-stage="1"] .scene-window{transform:rotateY(8deg) rotateX(5deg);border-color:#b6a2f580}
[data-stage="2"] .scene-tile{background:#72e5c044;border-color:#72e5c090}
[data-stage="2"] .tile-b{transform:translateY(-8px)}
[data-stage="2"] .scene-window{transform:rotateY(-4deg) rotateX(0)}
[data-stage="3"] .scene-check{opacity:1;transform:scale(1)}
[data-stage="3"] .scene-check path{stroke-dashoffset:0}
[data-stage="3"] .scene-window{transform:none;border-color:var(--green)}
.scene-progress{height:2px;margin:26px auto 14px;max-width:280px;background:#ffffff20;overflow:hidden}
.scene-progress span{display:block;width:100%;height:100%;background:var(--green);transform:scaleX(var(--stage-progress));transform-origin:left;transition:transform .7s var(--ease)}
[dir=rtl] .scene-progress span{transform-origin:right}
.scene-label{display:block;text-align:center;font-size:12px;color:var(--muted);min-height:26px}
.menu-toggle>span:not(.sr-only){transition:transform .3s,opacity .2s}
.menu-toggle[aria-expanded=true]>span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded=true]>span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded=true]>span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.network{--scene-accent:var(--green)}
.layer-front .glass-outline{transition:stroke .4s;stroke:var(--scene-accent)}
.sculpture-mark{transition:color .4s}
.network.has-selection .sculpture-mark{color:var(--scene-accent)}
@media(max-width:700px){
  .method-workbench{grid-template-columns:1fr;gap:20px;margin-top:8px}
  .method-scene{max-width:350px;width:100%;margin-inline:auto}
  .method-workbench .method-detail{min-height:245px}
  .reactor-shell{margin-top:24px}
  .challenge{min-height:100px}
  .flow-icon{width:46px;height:46px}
  .role-node{min-height:78px}
}
/* Keep the selected illustration within reach of the four touch controls. */
@media(max-width:700px){
  .method-track{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;border:0;margin-inline-start:0;margin-bottom:24px}
  .method-step{padding:0;border:1px solid var(--line);border-radius:7px;background:var(--bg)}
  .method-step button{display:grid;grid-template-columns:12px 1fr;gap:4px 10px;padding:12px;min-height:88px;text-align:start}
  .method-dot{position:static;width:10px;height:10px;margin:0}
  .method-step strong{grid-column:1 / -1;font-size:14px}
  .method-step p{display:none}
  .method-step:has([aria-pressed=true]){border-color:var(--method-color);background:#1a2c30}
  .scene-content{height:118px}.scene-window{max-width:245px}.method-scene{padding-top:0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal.observed:not(.visible){opacity:1;transform:none;filter:none}.sculpture{transform:none!important}}
html[data-motion=off] .sculpture{transform:none!important}html[data-motion=off] .network-lines path{animation:none}