/* آیسی - CSS سبک و کلاس‌محور. متغیرهای رنگ در :root */
@font-face{font-family:'IRANSansX';font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/iransans-400.woff) format('woff')}
@font-face{font-family:'IRANSansX';font-weight:500;font-style:normal;font-display:swap;src:url(/assets/fonts/iransans-500.woff) format('woff')}
@font-face{font-family:'IRANSansX';font-weight:700;font-style:normal;font-display:swap;src:url(/assets/fonts/iransans-700.woff) format('woff')}
:root{--bg:#060821;--bg2:#0c1038;--fg:#eef0ff;--mu:#a9afd8;--p:#8b5cf6;--b:#3b82f6;--y:#f5c542;--g:linear-gradient(90deg,#8b5cf6,#3b82f6)}
*{box-sizing:border-box;margin:0}button,input,textarea{font:inherit}h1,h2,h3,h4,.logo,.btn,.cta{font-weight:700}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font:16px/1.95 IRANSansX,Tahoma,"Segoe UI",sans-serif;background:var(--bg);color:var(--fg);overflow-x:hidden}
img,video{max-width:100%;height:auto;border-radius:14px}a{color:#7aa5ff}ul{list-style:none;padding:0}
.wrap{max-width:1180px;margin:auto;padding:0 10px}.c{text-align:center}
/* هدر ثابت: بالای سایت؛ هنگام اسکرول شیشه‌ای تیره با آلفای ۷۰٪ */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .35s,backdrop-filter .35s,box-shadow .35s}
.nav.sc{background:rgba(6,8,33,.7);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 1px 0 #ffffff14}
.nv-in{max-width:1280px;margin:auto;display:flex;align-items:center;gap:22px;padding:14px 24px}
.logo{color:#fff;text-decoration:none;font-weight:700;font-size:22px;display:flex;align-items:center}.logo img{border-radius:0;height:40px;width:auto}
.nav nav{display:flex;gap:26px;margin-inline:auto}.nav nav a{color:#c9cdf0;text-decoration:none;font-size:15px;position:relative;transition:color .3s}
.nav nav a:after{content:"";position:absolute;inset:auto 0 -6px;height:2px;background:var(--g);transform:scaleX(0);transition:transform .3s}.nav nav a:hover{color:#fff}.nav nav a:hover:after{transform:scaleX(1)}
.nv-r{display:flex;align-items:center;gap:12px}.sb,.mb{background:0;border:0;color:#fff;cursor:pointer;width:38px;height:38px;display:grid;place-items:center}.sb .ico{width:22px;height:22px}
.cta{display:flex;align-items:center;gap:8px;padding:9px 20px;border-radius:12px;background:linear-gradient(90deg,#2f7bff,#6d5efc);color:#fff;text-decoration:none;font-size:14px;transition:.3s}.cta .ico{width:18px;height:18px}.cta:hover{transform:translateY(-2px);box-shadow:0 8px 26px #4f6bff66}
.mb{display:none}.mb i,.mb i:before,.mb i:after{display:block;width:24px;height:2px;border-radius:2px;background:#fff;position:relative;transition:transform .3s,top .3s,background .3s}
.mb i:before,.mb i:after{content:"";position:absolute;left:0}.mb i:before{top:-8px}.mb i:after{top:8px}
.o .mb i{background:transparent}.o .mb i:before{top:0;transform:rotate(45deg)}.o .mb i:after{top:0;transform:rotate(-45deg)}
.srch{max-height:0;overflow:hidden;transition:max-height .4s;background:rgba(6,8,33,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.srch.on{max-height:420px}
.srch input{width:100%;margin:16px 0 8px;padding:12px 16px;border-radius:12px;border:1px solid #ffffff22;background:#ffffff0d;color:#fff;font:inherit}
.sr{padding-bottom:14px}.sr a{display:block;padding:8px 6px;color:#fff;text-decoration:none;border-bottom:1px solid #ffffff10}.sr small{display:block;color:var(--mu)}
/* سکشن‌ها */
/* هر سکشن CSS مخصوص خودش را دارد (فاصله، سرریز و عنوان بخش)؛ .sec فقط نشانه‌ی مشترک تایپوگرافی است */
.s-cards{padding:88px 0}
.s-cards .sh{text-align:center;margin-bottom:38px}
.s-car{padding:20px 0;overflow:hidden}@supports(overflow:clip){.s-car{overflow:clip}}
.s-car .sh{text-align:center;margin-bottom:38px}
.s-html{padding:20px 0;overflow:hidden}@supports(overflow:clip){.s-html{overflow:clip}}
article>.sec .sh{text-align:center;margin-bottom:38px}
h1,h2,h3,h4{line-height:1.5}.sec h1{font-size:clamp(28px,3.4vw,46px)}.sec h2{font-size:clamp(24px,3.4vw,38px)}
em{font-style:normal;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec .kick{color:var(--y);font-size:14px;margin:0 0 6px!important}.sec p{color:var(--mu);margin:12px 0}
.btn{display:inline-block;margin:8px 0 0 8px;padding:12px 26px;border-radius:12px;background:linear-gradient(90deg,#2f7bff,#6d5efc);color:#fff;text-decoration:none;font-size:15px;transition:.35s}
.btn.o{background:transparent;border:1px solid #ffffff3a}.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px #4f6bff55}
/* هیرو */
.hero{padding:175px 0 20px;background:radial-gradient(640px 340px at 15% 40%,#6d5efc30,transparent),radial-gradient(520px 300px at 90% 10%,#2f7bff22,transparent);overflow:hidden}
.hg{display:grid;grid-template-columns:1fr 1.05fr;gap:30px;align-items:center;min-height:calc(70vh - 200px)}
.ht{position:relative;z-index:3}
.orb{position:relative;z-index:0;width:min(100%,655px);aspect-ratio:655/436;margin:0 auto;background:url(/assets/hiro-bg.webp) center/100% 100% no-repeat}
.orb img{position:absolute;left:0;top:0;width:40%;will-change:transform;cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-drag:none}
.orb img:active{cursor:grabbing}
/* دسکتاپ: اندازه واقعی تصویر (655px) بدون کوچک شدن؛ اضافه‌اش به سمت بیرون ستون می‌رود */
@media(min-width:981px){.ow{display:flex}.orb{flex:none;width:655px}}
/* کارت‌ها */
.grid{display:grid;gap:22px}.g1{grid-template-columns:1fr}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(165deg,#c9cbe0,#a6a9c7);color:#141a44;border-radius:22px;border:1px solid #ffffff66;padding:26px;transition:transform .4s,box-shadow .4s;box-shadow:0 14px 40px #0006}
.card:hover{transform:translateY(-8px);box-shadow:0 24px 60px #4f46e555}
.ct{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.num{font-size:18px}
.tag{display:inline-flex;gap:6px;align-items:center;font-size:13px;color:#5b2fd0;text-decoration:none;padding:2px 0;position:relative}.tag:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:currentColor;transform-origin:right;transition:transform .4s}
.tag i{font-style:normal;transition:transform .35s;display:inline-block}.tag:hover i{transform:translate(-4px,-4px) scale(1.2)}.tag:hover{color:#2347d9}.tag:hover:after{transform:scaleX(.4)}
.card small{display:block;color:#454b87;font-size:12px}.card h3{color:#2347d9;font-size:22px;margin:6px 0}.card p{color:#232a62!important;font-size:14.5px;margin:6px 0 0}
.ic{float:left;margin:0 12px 0 0;color:#4a63e8}.ic .ico{width:46px;height:46px;border-radius:0}
.v-service .card:last-child:nth-child(odd){grid-column:1/-1}
.v-steps .card{padding:22px;background:linear-gradient(165deg,#c4c7e4,#9fa3c8)}.v-steps .ic{float:none;display:block;margin:0 0 8px}.v-steps h3{font-size:18px}
/* پارالکس با قوس بالا (CSS) */
.par{position:relative;height:var(--h,60vh);min-height:260px;overflow:hidden;background:var(--bg)}
.pi{position:absolute;inset:0;overflow:hidden}.pi img{position:absolute;top:0;left:0;width:100%;height:auto;min-height:100%;object-fit:cover;border-radius:0;will-change:transform}
.par:after{content:"";position:absolute;inset:auto 0 0;height:40%;background:linear-gradient(transparent,var(--bg));z-index:1}
.par.arc:before{content:"";position:absolute;z-index:2;top:-5px;left:-6%;width:112%;height:clamp(60px,9vw,150px);background:var(--bg);border-radius:0 0 50% 50%/0 0 100% 100%}
/* اسلایدر سه‌بعدی نئونی */
.c3{position:relative;height:clamp(250px,44vw,460px);perspective:1500px;margin-top:10px}
.c3-st{position:absolute;inset:0;transform-style:preserve-3d}
.c3-i{position:absolute;left:50%;top:50%;width:min(62%,640px);aspect-ratio:16/10;display:block;text-decoration:none;
 transform:translate(-50%,-50%) translateX(calc(var(--o,0)*60%)) translateZ(calc(var(--a,0)*-230px)) rotateY(calc(var(--o,0)*-34deg)) scale(calc(1 - var(--a,0)*.1));
 transition:transform .95s cubic-bezier(.22,.8,.22,1),opacity .6s,filter .6s;opacity:calc(1 - var(--a,0)*.3);filter:brightness(calc(1 - var(--a,0)*.35))}
.c3-i.h{opacity:0;pointer-events:none}
.gl{display:block;height:100%;border-radius:18px;border:2px solid #5d7dff;overflow:hidden;background:#0b0f33;animation:fl 6s ease-in-out infinite;box-shadow:0 0 22px #4f6bff55}
.gl img{width:100%;height:100%;object-fit:cover;border-radius:0;display:block}
.c3-i.on .gl{border-color:#9b8cff;animation:fl 6s ease-in-out infinite,gw 2.6s ease-in-out infinite}
.c3-i b{position:absolute;inset:auto 14px 12px;color:#fff;font-size:15px;text-shadow:0 2px 10px #000}
.c3-b{position:absolute;top:50%;z-index:5;width:46px;height:46px;border-radius:50%;border:1px solid #ffffff40;background:#0b0f33cc;color:#fff;font-size:0;display:grid;place-items:center;cursor:pointer;transform:translateY(-50%);transition:.3s}
.c3-b:before{content:"";width:11px;height:11px;border:solid #fff;border-width:2px 2px 0 0}.c3-b.p:before{transform:rotate(-135deg);margin-left:4px}.c3-b.n:before{transform:rotate(45deg);margin-right:4px}.c3-b:hover{background:var(--p)}.c3-b.p{left:0}.c3-b.n{right:0}
@keyframes fl{50%{translate:0 -12px}}
@keyframes gw{0%,100%{box-shadow:0 0 28px 4px #7c5cff77,0 0 70px #2f7bff33}50%{box-shadow:0 0 56px 12px #8b6cffcc,0 0 130px 20px #2f7bff66}}
/* صفحات داخلی */
.sec.pg{padding:130px 0 20px;min-height:70vh}.prose{max-width:860px}.prose h1,.prose h2,.prose h3{margin:22px 0 8px}.prose p{color:#c9cdf0}.prose li{margin:6px 22px;list-style:disc;color:#c9cdf0}.prose img{margin:14px 0}
/* فوتر */
.ft{border-top:1px solid #ffffff14;padding:54px 0 24px;background:linear-gradient(180deg,transparent,#0a0d33)}
.fg{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}.ft h4{margin-bottom:12px}.ft p{color:var(--mu);font-size:14px}.ft li{margin:6px 0}.ft li a{color:var(--mu);text-decoration:none;font-size:14px;transition:.3s}.ft li a:hover{color:#fff;padding-right:6px}
.fi{display:flex;flex-wrap:wrap;gap:24px;margin:28px 0 0;padding:18px 0;border-top:1px solid #ffffff14;color:var(--mu);font-size:14px}.cp{text-align:center;color:#7d83b3;font-size:13px;margin-top:18px}
/* انیمیشن ظاهر شدن */
.rv{opacity:0;transform:translateY(30px);transition:opacity .85s cubic-bezier(.2,.7,.2,1),transform .85s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}
/* صفحات داخلی با سکشن‌های اختصاصی */
article>.sec{padding:64px 0}.sec.pg-top{padding-top:130px}.sec.alt{background:var(--bg2)}.lead{font-size:18px;max-width:920px}.txt{max-width:860px;margin-inline:auto}
.band{background:linear-gradient(135deg,#1b1237,#0c1038)}
.faq details{background:#ffffff0d;border:1px solid #ffffff1f;border-radius:14px;margin:12px 0;padding:16px 22px;transition:border-color .3s,background .3s}.faq details[open]{border-color:var(--p);background:#ffffff14}
.faq summary{cursor:pointer;font-weight:700}.faq details p{margin:10px 0 0}
@media(max-width:980px){.hg{grid-template-columns:1fr;min-height:0}.ow{order:-1}.g4,.g3{grid-template-columns:repeat(2,1fr)}.fg{grid-template-columns:1fr 1fr}.nav nav{gap:16px}}
@media(max-width:820px){.mb{display:grid}.nv-r{margin-inline-start:auto}.cta span{display:none}
.nav nav{margin:0;position:absolute;top:100%;inset-inline:0;flex-direction:column;gap:0;background:rgba(6,8,33,.96);padding:0 24px;max-height:0;overflow:hidden;transition:max-height .45s,padding .45s}
.o .nav nav{max-height:420px;padding:14px 24px}.nav nav a{padding:10px 0;border-bottom:1px solid #ffffff10}}
@media(max-width:640px){article>.sec{padding:48px 0}.s-cards{padding:56px 0}.s-car{padding:56px 0}.s-html{padding:56px 0}.g2,.g3,.g4{grid-template-columns:1fr}.fg{grid-template-columns:1fr}.hero{padding:100px 0 56px}.c3-b{width:38px;height:38px}.c3-i{width:74%}.ic{float:none;display:block;margin:0 0 8px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}