/* Baran Graphic — style.css
   پالت «طیف باران»: شب جادو + آب و باران + طیف قلم‌مو */

:root{
  --night:#0E1033; --midnight:#1B1B5A; --hat:#3E3C94; --violet:#6F6CC4;
  --drop:#4FB3E8; --sky:#7ED6E8; --mint:#A8E6CF; --pearl:#F2FBFF;
  --magic:#8E5CF6; --pink:#FF6FAE; --orange:#FF9A62; --sun:#FFD166; --spring:#6EE7B7;
  --rainbow:linear-gradient(90deg,#8E5CF6,#FF6FAE,#FF9A62,#FFD166,#6EE7B7,#4FB3E8);
  --rainbow-loop:linear-gradient(90deg,#8E5CF6,#FF6FAE,#FF9A62,#FFD166,#6EE7B7,#4FB3E8,#8E5CF6);
  --glass:rgba(27,27,90,.55);
  --line:rgba(126,214,232,.18);
  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,5vw,72px);
}

*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,p,figure,ul{margin:0}
ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
[hidden]{display:none!important}

html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}

html{background:var(--night);color:var(--pearl);-webkit-text-size-adjust:100%}
body{min-height:100vh;overflow-x:hidden;line-height:1.8;font-size:1rem}
html[lang=fa] body{font-family:'Vazirmatn',Tahoma,system-ui,sans-serif}
html[lang=en] body{font-family:'Inter',system-ui,sans-serif}
html[lang=fa] .display{font-family:'Lalezar','Vazirmatn',Tahoma,sans-serif;font-weight:400;line-height:1.3}
html[lang=en] .display{font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.05}

:focus-visible{outline:2px solid var(--sky);outline-offset:3px}
.skip{position:fixed;inset-inline-start:12px;top:-60px;z-index:200;background:var(--pink);color:var(--night);padding:8px 16px;border-radius:10px;transition:top .3s}
.skip:focus{top:12px}

/* پس‌زمینه و بوم سه‌بعدی */
.bg{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(60% 50% at 82% 0%,rgba(142,92,246,.30),transparent 62%),
  radial-gradient(50% 50% at 0% 42%,rgba(79,179,232,.18),transparent 60%),
  radial-gradient(40% 40% at 70% 100%,rgba(255,111,174,.10),transparent 60%),
  var(--night)}
#scene{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
main,.site-header,.site-footer{position:relative;z-index:1}

/* هدر */
.site-header{position:fixed;inset-inline:0;top:0;z-index:50;padding:14px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(14,16,51,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);opacity:0;transition:opacity .4s}
.site-header.scrolled::before{opacity:1}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand .mark{width:26px;height:34px}
.brand-text{font-size:1.1rem}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:8px 14px;border-radius:999px;font-size:.95rem;color:rgba(242,251,255,.78);transition:background .3s,color .3s}
.nav a:hover,.nav a[aria-current=page]{color:var(--pearl);background:rgba(255,255,255,.09)}
.hd-end{display:flex;align-items:center;gap:10px}
.lang{border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-size:.85rem;font-weight:700;letter-spacing:.04em;transition:border-color .3s,background .3s}
.lang:hover{border-color:var(--sky);background:rgba(126,214,232,.1)}
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--pearl);margin:5px auto;transition:transform .3s,opacity .3s}
.menu-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-open .menu-btn span:nth-child(2){opacity:0}
.menu-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:860px){
  .menu-btn{display:block;position:relative;z-index:2}
  .brand,.hd-end{position:relative;z-index:2}
  .nav{position:fixed;inset:0;background:rgba(14,16,51,.97);flex-direction:column;justify-content:center;gap:10px;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
  .nav a{font-size:1.7rem;padding:10px 24px}
  .menu-open .nav{opacity:1;visibility:visible}
}

/* دکمه‌ها */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:1rem;transition:background .3s,box-shadow .3s,border-color .3s,color .3s}
.btn svg{width:18px;height:18px}
html[dir=rtl] .btn svg{transform:scaleX(-1)}
.btn-primary{background:var(--pink);color:var(--night)}
.btn-primary:hover{box-shadow:0 0 0 6px rgba(255,111,174,.22),0 12px 40px -8px rgba(255,111,174,.7)}
.btn-ghost{border:1px solid var(--line);background:rgba(27,27,90,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--sky);color:var(--sky)}

/* متن رنگین‌کمانی */
.rainbow{background:var(--rainbow-loop);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;animation:shine 7s linear infinite}
@keyframes shine{to{background-position:-200% 0}}

/* ورود تدریجی */
.js [data-in]{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:calc(var(--i,0)*.12s + .15s)}
.hero-in [data-in]{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* هیرو */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:130px var(--pad) 100px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 16px;border:1px solid var(--line);border-radius:999px;background:var(--glass);font-size:.9rem;color:var(--sky);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--spring);box-shadow:0 0 12px var(--spring)}
.hero h1{font-size:clamp(2.5rem,7.2vw,6.2rem);margin:24px 0;max-width:13em}
.lead{max-width:38em;font-size:clamp(1rem,1.5vw,1.2rem);color:rgba(242,251,255,.78)}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.scroll-hint{position:absolute;inset-inline-start:var(--pad);bottom:28px;display:flex;align-items:center;gap:12px;font-size:.8rem;color:rgba(242,251,255,.6)}
.scroll-hint i{width:1px;height:44px;background:linear-gradient(var(--sky),transparent);transform-origin:top;animation:drip 2.2s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* نوار متحرک دسته‌ها */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;direction:ltr;background:rgba(14,16,51,.45)}
.marquee-track{display:flex;width:max-content;animation:marq 34s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{display:flex;align-items:center;gap:52px;padding-inline:26px;white-space:nowrap;font-size:clamp(1.6rem,4vw,3rem);color:transparent;-webkit-text-stroke:1px rgba(242,251,255,.55)}
.marquee span:nth-child(even){color:var(--pearl);-webkit-text-stroke:0}
.marquee em{font-style:normal;color:var(--pink);-webkit-text-stroke:0;font-size:.6em}
@keyframes marq{to{transform:translateX(-50%)}}

/* بخش‌ها */
.section{padding:clamp(70px,10vw,140px) var(--pad);position:relative}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:clamp(28px,4vw,56px)}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.8rem)}
.kicker{display:block;color:var(--sky);font-size:.9rem;letter-spacing:.08em;margin-bottom:8px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--sky);font-weight:500}
.link-arrow svg{width:18px;height:18px;transition:transform .3s}
.link-arrow:hover svg{transform:translateX(5px)}
html[dir=rtl] .link-arrow svg{transform:scaleX(-1)}
html[dir=rtl] .link-arrow:hover svg{transform:scaleX(-1) translateX(5px)}

/* کارت‌های نمونه‌کار */
.grid{columns:3 300px;column-gap:22px}
.item{break-inside:avoid;margin-bottom:22px}
.item.pop{animation:pop .6s var(--ease) both}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(20px)}}
.card{display:block;position:relative;width:100%;padding:0;border-radius:22px;overflow:hidden;background:var(--midnight);box-shadow:0 0 0 1px var(--line);text-align:start;
  transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .35s var(--ease),box-shadow .35s;will-change:transform}
.card img{width:100%;height:auto;transition:transform .8s var(--ease)}
.card:hover{box-shadow:0 0 0 1px rgba(126,214,232,.5),0 24px 60px -20px rgba(79,179,232,.45)}
.card:hover img{transform:scale(1.06)}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.22),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover::after{opacity:1}
.meta{position:absolute;inset-inline:0;bottom:0;padding:48px 18px 16px;background:linear-gradient(transparent,rgba(14,16,51,.93));display:flex;flex-direction:column;gap:2px;transform:translateY(12px);opacity:0;transition:transform .4s var(--ease),opacity .4s}
.card:hover .meta,.card:focus-visible .meta{transform:none;opacity:1}
.meta b{font-size:1.05rem}
.meta small{color:var(--sky)}
@media(hover:none){.meta{opacity:1;transform:none}}

/* فیلتر */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:var(--glass);font-size:.95rem;transition:border-color .3s,background .3s}
.chip:hover{border-color:var(--sky)}
.chip[aria-pressed=true]{background:var(--rainbow);color:var(--night);border-color:transparent;font-weight:700}

/* مراحل کار */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.step{padding:30px;border-radius:24px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.step .num{font-size:4rem;line-height:1.1;color:transparent;-webkit-text-stroke:1px var(--violet);margin-bottom:10px}
.step h3{font-size:1.4rem;margin-bottom:6px}
.step p{color:rgba(242,251,255,.72)}

/* ریل موشن */
.reel{position:relative;aspect-ratio:16/9;border-radius:30px;overflow:hidden;isolation:isolate;
  background:radial-gradient(80% 90% at 30% 20%,#3E3C94,#0E1033);
  box-shadow:0 0 0 1px var(--line),0 40px 90px -30px rgba(142,92,246,.5)}
.reel video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.reel .blob{position:absolute;border-radius:50%;mix-blend-mode:screen}
.reel .b1{width:38%;aspect-ratio:1;inset-inline-start:8%;top:14%;background:radial-gradient(circle at 30% 30%,#7ED6E8,#4FB3E8 55%,transparent 70%);animation:float 7s ease-in-out infinite}
.reel .b2{width:30%;aspect-ratio:1;inset-inline-end:9%;bottom:8%;background:radial-gradient(circle at 30% 30%,#FFD166,#FF6FAE 55%,transparent 70%);animation:float 9s ease-in-out -2s infinite}
.reel .b3{width:16%;aspect-ratio:1;inset-inline-end:36%;top:10%;background:radial-gradient(circle at 30% 30%,#A8E6CF,#6EE7B7 55%,transparent 70%);animation:float 6s ease-in-out -1s infinite}
@keyframes float{50%{transform:translateY(-9%) scale(1.07)}}
.reel .play{position:absolute;inset:0;margin:auto;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:rgba(242,251,255,.14);border:1px solid rgba(242,251,255,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:2}
.reel .play svg{width:30px;height:30px;margin-inline-start:4px}
.reel .tag{position:absolute;inset-inline-start:22px;bottom:18px;z-index:2;padding:5px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--line);font-size:.85rem}

/* پنل دعوت به همکاری */
.cta-panel{position:relative;border-radius:34px;padding:clamp(34px,6vw,84px);text-align:center;background:var(--glass);overflow:hidden;isolation:isolate}
.cta-panel::before{content:"";position:absolute;inset:0;padding:1.5px;border-radius:inherit;background:var(--rainbow-loop);background-size:200% 100%;animation:shine 6s linear infinite;
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;z-index:-1}
.cta-panel h2{font-size:clamp(1.9rem,4.4vw,3.4rem);margin-bottom:12px}
.cta-panel p{color:rgba(242,251,255,.78);margin-bottom:28px}

/* فوتر */
.site-footer{padding:56px var(--pad) 34px;border-top:1px solid var(--line);background:rgba(14,16,51,.65)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:30px}
.foot p{color:rgba(242,251,255,.65);margin-top:6px}
.socials{display:flex;gap:10px;flex-wrap:wrap}
.socials a{padding:8px 16px;border:1px solid var(--line);border-radius:999px;font-size:.9rem;transition:background .3s,color .3s,border-color .3s}
.socials a:hover{background:var(--pink);color:var(--night);border-color:transparent}
.copy{margin-top:30px;color:rgba(242,251,255,.5);font-size:.85rem}

/* صفحه‌های داخلی */
.page-hero{padding:170px var(--pad) 50px}
.page-hero h1{font-size:clamp(2.6rem,7vw,5.4rem)}
.page-hero p{max-width:40em;color:rgba(242,251,255,.75);margin-top:14px}

.about{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(24px,5vw,70px);align-items:start}
.about p+p{margin-top:1em}
.panel{padding:30px;border-radius:26px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.panel h3{margin-bottom:14px;font-size:1.15rem;color:var(--sky)}
.panel+.panel{margin-top:22px}
.about-logo{width:100%;height:auto;border-radius:18px;margin-bottom:22px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips li{padding:7px 16px;border-radius:999px;background:rgba(111,108,196,.2);border:1px solid rgba(111,108,196,.45);font-size:.9rem}
.timeline{margin-top:46px;display:grid;gap:14px}
.timeline h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:6px}
.tl{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:18px 22px;border-radius:18px;border:1px solid var(--line);background:rgba(27,27,90,.35)}
.tl b{color:var(--sky)}
.about .btn{margin-top:26px}
@media(max-width:820px){.about{grid-template-columns:1fr}.tl{grid-template-columns:1fr;gap:4px}}

.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,70px);align-items:start}
form{display:grid;gap:16px}
label{display:grid;gap:8px;font-size:.95rem;color:rgba(242,251,255,.82)}
input,textarea{width:100%;padding:14px 18px;border-radius:16px;border:1px solid var(--line);background:rgba(27,27,90,.45);color:var(--pearl);font:inherit;transition:border-color .3s,box-shadow .3s}
input:focus,textarea:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 4px rgba(79,179,232,.18)}
textarea{min-height:170px;resize:vertical}
.note{min-height:1.6em;color:var(--spring)}
.info li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.info li span:first-child{color:rgba(242,251,255,.6)}
.info a:hover{color:var(--sky)}
@media(max-width:820px){.contact{grid-template-columns:1fr}}

/* لایت‌باکس */
.lightbox{position:fixed;inset:0;z-index:80;background:rgba(14,16,51,.93);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;padding:24px;animation:fade .3s}
@keyframes fade{from{opacity:0}}
.lightbox figure{max-width:min(92vw,980px);max-height:90vh;display:grid;gap:14px;justify-items:center}
.lightbox img{max-height:74vh;width:auto;max-width:100%;border-radius:18px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6)}
.lightbox figcaption{text-align:center;display:grid;gap:2px}
.lb-title{font-size:1.2rem}
.lb-desc{color:rgba(242,251,255,.7)}
.lb-close,.lb-nav{position:absolute;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:var(--glass);display:grid;place-items:center;transition:border-color .3s}
.lb-close:hover,.lb-nav:hover{border-color:var(--sky)}
.lb-close{top:20px;inset-inline-end:20px}
.lb-nav{top:50%;margin-top:-24px}
.lb-nav.prev{inset-inline-start:20px}
.lb-nav.next{inset-inline-end:20px}
.lb-close svg,.lb-nav svg{width:22px;height:22px}
html[dir=rtl] .lb-nav svg{transform:scaleX(-1)}

/* پیش‌بارگذار */
.no-pl .preloader{display:none}
.preloader{position:fixed;inset:0;z-index:100;background:var(--night);display:grid;place-items:center;animation:plOut .01s linear 3.4s forwards}
.preloader.done{opacity:0;visibility:hidden;transition:opacity .8s var(--ease),visibility 0s .8s}
@keyframes plOut{to{opacity:0;visibility:hidden}}
.pl-inner{display:grid;justify-items:center;gap:18px}
.pl-inner svg{width:58px;height:76px;animation:plDrop 1.4s var(--ease) both}
@keyframes plDrop{from{opacity:0;transform:translateY(-60px) scale(.6)}60%{transform:translateY(6px) scale(1.05)}to{opacity:1;transform:none}}
.pl-brand{font-size:1.5rem;letter-spacing:.04em;animation:fade 1s .5s both}
.pl-line{width:170px;height:3px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden}
.pl-line::after{content:"";display:block;height:100%;width:100%;background:var(--rainbow);transform:scaleX(0);transform-origin:left;animation:plLine 1.5s .3s var(--ease) forwards}
html[dir=rtl] .pl-line::after{transform-origin:right}
@keyframes plLine{to{transform:scaleX(1)}}

/* پرده‌ی انتقال بین صفحه‌ها */
.curtain{position:fixed;inset:0;z-index:95;pointer-events:none;background:linear-gradient(180deg,#3E3C94,#1B1B5A 45%,#0E1033);transform:scaleY(0);transform-origin:top;transition:transform .55s cubic-bezier(.77,0,.18,1)}
.curtain.cover{transform-origin:bottom;transform:scaleY(1)}
.is-entering .curtain{transform-origin:top;transform:scaleY(1);transition:none}

/* نشانگر ماوس */
.cursor{position:fixed;left:0;top:0;width:36px;height:36px;margin:-18px 0 0 -18px;border-radius:50%;pointer-events:none;z-index:90;mix-blend-mode:screen;opacity:0;
  background:radial-gradient(circle,rgba(255,111,174,.6),rgba(126,214,232,.28) 50%,transparent 70%);transition:width .25s,height .25s,margin .25s,opacity .3s}
.cursor.on{opacity:1}
.cursor.big{width:76px;height:76px;margin:-38px 0 0 -38px}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .marquee-track{animation:none}
}