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/* عناصر طراحی رابط در پس‌زمینه */
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/* یک صحنه از روند طراحی محصول */
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@media(max-width:650px){.process-header{padding:14px}.process-canvas{min-height:250px;gap:8px;padding:35px 10px}.process-step{padding:9px}.process-art{height:70px}.process-step strong{font-size:11px}.process-step small{font-size:9px}.process-track{left:10%;right:10%}.process-pointer{left:8%;bottom:8%}.art-map i{width:18px;height:18px}.art-research b{font-size:24px;left:8px}.book-cover{transform:none}}
@media(prefers-reduced-motion:reduce){.process-step,.process-pointer,.book-cover{transform:none!important}.process-track{transform:scaleX(1)!important}.ui-window .ui-selection,.ui-insight .insight-bars i{animation:none!important}}
.book-download{display:flex;align-items:center;justify-content:space-between;gap:16px;width:fit-content;min-height:44px;padding:0 15px;margin-top:20px;border:1px solid #527d62;color:#d9f7e7;font-size:12px;font-weight:600;transition:background .2s,color .2s,border-color .2s}.book-download:hover{background:#34d399;border-color:#34d399;color:#171717}.book-download span{font:18px Dana,Tahoma,sans-serif}
.about-portrait{position:relative;max-width:380px;margin:46px 0 0;border:1px solid #404040;background:#202522;overflow:hidden}.about-portrait img{display:block;width:100%;height:auto;position:relative}.about-portrait figcaption{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid #404040;padding:12px 15px;color:#d4d4d4;font-size:11px}.about-portrait figcaption span:last-child{color:#a3a3a3;font-size:10px}@media(max-width:650px){.about-portrait{max-width:300px;margin-top:30px}}
/* Portrait and biography share a single editorial composition. */
.about-layout{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:clamp(40px,7vw,100px);align-items:end}.about-main{min-width:0}.about-copy{max-width:640px;margin-top:32px}.about-portrait{width:100%;max-width:460px;margin:0;align-self:end;justify-self:center;border:0;border-bottom:1px solid #557466;background:transparent;overflow:visible}.about-portrait img{width:100%;height:auto;display:block}.about-copy .lead{font-size:17px;line-height:2.1}
@media(max-width:650px){.about-layout{grid-template-columns:1fr;gap:35px}.about-copy{margin-top:24px}.about-portrait{max-width:300px;margin:0 auto}.about-copy .lead{font-size:16px}}
@media(min-width:651px){.about-portrait{align-self:start}}
/* About: a full-width heading above a balanced portrait and biography. */
.about-layout{grid-template-columns:minmax(0,1fr) minmax(260px,.78fr);grid-template-areas:'heading heading' 'copy portrait';column-gap:clamp(48px,8vw,120px);row-gap:48px;align-items:start}.about-main{display:contents}.about-layout .section-heading{grid-area:heading}.about-layout .section-heading h2{max-width:900px}.about-layout .about-copy{grid-area:copy;margin:0;max-width:620px}.about-layout .about-portrait{grid-area:portrait;align-self:start;width:100%;max-width:390px;justify-self:center;margin:0;border:0}.about-layout .about-portrait img{width:100%;height:auto}
@media(max-width:650px){.about-layout{grid-template-columns:1fr;grid-template-areas:'heading' 'portrait' 'copy';row-gap:28px}.about-layout .about-portrait{max-width:260px}.about-layout .about-copy{margin:0}}
/* عکس و آمار در یک ستون واحد کنار متن معرفی */
.about-layout{grid-template-columns:minmax(0,1fr) minmax(280px,.9fr);grid-template-areas:'heading heading' 'copy profile';align-items:start}.about-profile{grid-area:profile;width:100%;max-width:410px;justify-self:center;border:1px solid #404a43;background:#1c211e}.about-layout .about-portrait{max-width:none;border:0;margin:0;background:#202823;overflow:hidden}.about-layout .about-portrait img{display:block;width:min(100%,310px);height:auto;margin:0 auto}.about-portrait figcaption{border-top:1px solid #3e4b42;padding:12px 16px}.profile-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #3e4b42}.profile-stats>div{padding:15px 12px;display:flex;flex-direction:column;gap:3px}.profile-stats>div+div{border-right:1px solid #3e4b42}.profile-stats strong{font-size:27px;line-height:1.4}.profile-stats strong span{color:#34d399;font-size:16px}.profile-stats div>span{font-size:10px;color:#b0bdb4;line-height:1.6}.about-layout .about-copy{align-self:center}
@media(max-width:650px){.about-layout{grid-template-columns:1fr;grid-template-areas:'heading' 'profile' 'copy';gap:28px}.about-profile{max-width:350px}.about-layout .about-portrait{max-width:none}.about-layout .about-portrait img{width:min(100%,260px)}.profile-stats>div{padding:12px 8px}.profile-stats strong{font-size:23px}}
/* معرفی در یک ستون، تصویر و آمار در ستون مقابل */
.about-layout{grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);grid-template-areas:'main profile';gap:clamp(40px,7vw,100px);align-items:center}.about-main{display:block;grid-area:main}.about-layout .about-copy{margin-top:30px}.about-profile{align-self:center;background:#202020;border-color:#404040}.about-layout .about-portrait{background:#202020}.about-portrait figcaption,.profile-stats{border-color:#404040}.profile-stats>div+div{border-color:#404040}.profile-stats div>span{color:#b5b5b5}
@media(max-width:650px){.about-layout{grid-template-columns:1fr;grid-template-areas:'main' 'profile';gap:32px}.about-layout .about-copy{margin-top:24px}}
.about-layout .about-portrait img{padding:28px 28px 0}
@media(max-width:650px){.about-layout .about-portrait img{padding:24px 24px 0}}
.about-layout .about-portrait{padding:28px 28px 0}.about-layout .about-portrait img{padding:0}.about-portrait figcaption{margin-inline:-28px}
@media(max-width:650px){.about-layout .about-portrait{padding:24px 24px 0}.about-layout .about-portrait img{padding:0}.about-portrait figcaption{margin-inline:-24px}}
@media(min-width:651px){.about-layout{grid-template-columns:minmax(0,1fr) minmax(300px,1fr)}.about-profile{max-width:500px}.about-layout .about-portrait img{width:min(100%,390px)}}
@media(max-width:650px){.about-profile{max-width:390px}.about-layout .about-portrait img{width:min(100%,300px)}}
.about-layout .section-heading h2{font-weight:400}.about-layout .section-heading h2 em{font-weight:700}
.brand{font-size:18px}.brand small{font-size:10px}
@media(max-width:650px){.brand{font-size:16px}}
.brand>span{display:flex;align-items:center;gap:14px}.brand small{display:block;direction:rtl;font-size:11px;line-height:1.4;color:#a3a3a3;border-right:1px solid #525252;padding-right:14px;white-space:nowrap}
@media(max-width:650px){.brand>span{gap:8px}.brand small{display:block;font-size:9px;padding-right:8px}.header-cta{padding-inline:10px;gap:7px}}
@media(max-width:380px){.header{padding-inline:12px;gap:8px}.brand{font-size:14px}.brand small{font-size:8px}.header-cta{font-size:10px;padding-inline:7px}.header-cta span{font-size:16px}}
.brand{font-size:22px}
@media(max-width:650px){.brand{font-size:19px}}
@media(max-width:380px){.brand{font-size:17px}}
.about-portrait figcaption{flex-wrap:wrap;justify-content:flex-start;column-gap:14px}.about-portrait figcaption span:last-child{line-height:1.8}
.about-portrait figcaption span:first-child{font-size:15px;font-weight:700}.about-portrait figcaption span:last-child{font-size:12px}
/* حرکت ملایم عنوان‌ها و عکس هنگام اسکرول */
.section .section-heading h2,.section .intro h2,.contact-inner h2{transform:translate3d(0,var(--section-shift,0px),0)}
.about-profile{transform:translate3d(0,var(--portrait-shift,0px),0)}
@media(prefers-reduced-motion:reduce){.section .section-heading h2,.section .intro h2,.contact-inner h2,.about-profile{transform:none!important}}
/* لایه‌های پس‌زمینه با سرعت متفاوت از محتوای اصلی حرکت می‌کنند. */
.section,.philosophy,.contact{position:relative;isolation:isolate;overflow:hidden}.section:before,.philosophy:before,.contact:before{content:'';position:absolute;z-index:-1;pointer-events:none;inset:-160px 8%;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(25% - 1px),#ffffff0a calc(25% - 1px),#ffffff0a 25%);transform:translate3d(0,var(--backdrop-shift,0px),0);mask-image:linear-gradient(transparent,#000 20%,#000 80%,transparent)}.section .section-heading h2,.section .intro h2,.contact-inner h2{position:relative;z-index:1}
@media(prefers-reduced-motion:reduce){.section:before,.philosophy:before,.contact:before{transform:none!important}}
.section:before,.philosophy:before,.contact:before{background-image:repeating-linear-gradient(90deg,transparent 0,transparent calc(25% - 1px),#ffffff0a calc(25% - 1px),#ffffff0a 25%),repeating-linear-gradient(0deg,transparent 0,transparent 119px,#ffffff09 119px,#ffffff09 120px)}
/* پارالاکس روی کل سکشن؛ چیدمان اصلی و فضای هر بخش در سند حفظ می‌شود. */
main>.section,main>.philosophy,main>.contact{transform:translate3d(0,var(--section-offset,0px),0)}
.section .section-heading h2,.section .intro h2,.contact-inner h2,.about-profile{transform:none}
.section:before,.philosophy:before,.contact:before{transform:none}
@media(prefers-reduced-motion:reduce){main>.section,main>.philosophy,main>.contact{transform:none!important}}
/* هر سکشن بعد از دیده شدن کامل، زیر سکشن بعدی می‌ماند. */
main>.section,main>.philosophy,main>.contact{position:sticky;top:var(--sticky-top,76px);z-index:var(--stack-order,1);background:#171717;transform:none;border-top:1px solid #404040}
@media(prefers-reduced-motion:reduce){main>.section,main>.philosophy,main>.contact{position:relative;top:auto;z-index:auto;transform:none!important}}
/* هنگام ورود سکشن بعدی، اجزای سکشن قبلی از هم فاصله می‌گیرند. */
.blast-item{transform:translate3d(var(--blast-x,0px),var(--blast-y,0px),0) rotate(var(--blast-rotate,0deg)) scale(var(--blast-scale,1));opacity:var(--blast-opacity,1)}
@media(prefers-reduced-motion:reduce){.blast-item{transform:none!important;opacity:1!important}}
/* فضای کافی برای دیدن و استفاده از لینک‌های کتاب پیش از ورود بخش بعدی */
#books{padding-bottom:clamp(190px,28vh,300px)}
.blast-item{filter:blur(var(--blast-blur,0px))}
@media(prefers-reduced-motion:reduce){.blast-item{filter:none!important}}
/* Preserve the header and hero appearance while using the person's name as H1. */
.brand-name{font:inherit;letter-spacing:inherit;line-height:inherit;margin:0}
.hero-content .hero-title{font-size:clamp(42px,5.4vw,78px);font-weight:700;line-height:1.48;letter-spacing:-.04em;margin:0 0 19px;animation:hero-arrive .85s cubic-bezier(.16,1,.3,1) both}
@media(prefers-reduced-motion:reduce){.hero-content .hero-title{animation:none!important;transform:none!important}}
.brand-logo{width:30px;height:30px;flex:none;color:#34d399}.brand{gap:12px}
@media(max-width:650px){.brand-logo{width:25px;height:25px}.brand{gap:8px}}
@media(max-width:380px){.brand-logo{width:22px;height:22px}.brand{gap:6px}}
.brand-logo{width:36px;height:36px}
@media(max-width:650px){.brand-logo{width:29px;height:29px}}
@media(max-width:380px){.brand-logo{width:26px;height:26px}}
.mobile-menu-cta{display:none}
@media(max-width:650px){
 .header{justify-content:space-between}
 .header>.header-cta{display:none}
 .menu-button{display:grid;place-items:center;width:44px;height:44px;flex:none;margin-right:auto;padding:0;cursor:pointer}
 .menu-button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:square}
 .nav{max-height:calc(100dvh - 66px);overflow-y:auto;padding:12px 20px 22px;box-shadow:0 16px 24px #0005}
 .nav a:not(.mobile-menu-cta){display:block;padding:14px 2px;border-bottom:1px solid #303030}
 .nav .mobile-menu-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding:13px 16px;background:#34d399;color:#171717;font-weight:700;min-height:48px}
 .nav .mobile-menu-cta span{font-size:19px;line-height:1}
}
@media(max-width:650px){.brand small{font-size:10px}.actions .button{gap:14px}}
@media(max-width:450px){.actions{flex-direction:column;align-items:stretch;max-width:280px;margin-inline:auto}.actions .button{width:100%;min-height:52px;white-space:nowrap}.hero-content{padding-bottom:150px}.hero{min-height:760px}.brand{font-size:17px}.brand small{font-size:10px}}
@media(max-width:340px){.brand{font-size:15px}.brand small{font-size:9px}.brand>span{gap:6px}.brand small{padding-right:6px}}
@media(max-width:650px){main>.section:not(#books){padding-bottom:240px}main>.philosophy{padding-bottom:240px}#books{padding-bottom:240px}}
@media(max-width:650px){.services article{grid-template-columns:24px minmax(0,1fr) 16px;gap:8px;padding:24px 12px}}
@media(max-width:380px){.hero-content .hero-title{font-size:clamp(31px,9vw,35px)}.section h2,.contact-inner h2{font-size:clamp(28px,8.5vw,32px)}}
.contact-star.blast-item{opacity:calc(.18 * var(--blast-opacity,1));pointer-events:none}
@media(max-width:650px){.contact-star.blast-item{opacity:calc(.10 * var(--blast-opacity,1))}}
@media(min-width:651px) and (max-width:900px){
 .header{justify-content:space-between}
 .brand small{display:block}
 .header>.header-cta{display:none}
 .menu-button{display:grid;place-items:center;width:44px;height:44px;flex:none;margin-right:auto;padding:0;cursor:pointer}
 .menu-button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:square}
 .nav{display:none;position:absolute;top:75px;right:0;left:0;margin:0;background:#171717;flex-direction:column;gap:0;max-height:calc(100dvh - 76px);overflow-y:auto;padding:12px 6% 22px;border-bottom:1px solid #34353a;box-shadow:0 16px 24px #0005}
 .nav.open{display:flex}
 .nav a:not(.mobile-menu-cta){display:block;padding:14px 2px;border-bottom:1px solid #303030}
 .nav .mobile-menu-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding:13px 16px;background:#34d399;color:#171717;font-weight:700;min-height:48px}
 .nav .mobile-menu-cta span{font-size:19px;line-height:1}
}
@media(prefers-reduced-motion:reduce){.contact-star.blast-item{opacity:.18!important}}
@media(max-width:650px) and (prefers-reduced-motion:reduce){.contact-star.blast-item{opacity:.1!important}}
/* دو مجموعه هم‌اندازه، تکرار نوار را بدون فاصله خالی می‌سازند. */
.ticker{direction:ltr;overflow:hidden}.ticker-track{display:flex;width:max-content;animation:ticker-loop 38s linear infinite}.ticker-set{display:flex;flex:none}.ticker-group{display:flex;flex:none;align-items:center;white-space:nowrap}.ticker-group b{margin:0 24px}
@keyframes ticker-loop{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker{overflow:visible}.ticker-track{width:auto;animation:none;transform:none;display:block}.ticker-set{display:block}.ticker-set+.ticker-set,.ticker-group~.ticker-group{display:none}.ticker-group{white-space:normal;flex-wrap:wrap;justify-content:center}}