/* ===== رابط کاربری ENP (۸ آبان ۱۴۰۵ — ۳) =====
   تب‌ها و فیلترهای انیمیشنی، منوی شیشه‌ای هدر، آیکون‌های سه‌بعدی، کارفرمایان، مدار چرخان دور لوگو،
   برق نور روی نام شرکت، رفع چرخش برعکس کارت دوره در موبایل، صفحهٔ ورود. */

/* ---------- کارت دوره: رفع «پشت کارت برعکس» در موبایل ----------
   بعضی مرورگرهای موبایل backface-visibility را برای لایه‌های متحرک داخل کارت رعایت نمی‌کنند؛
   برای همین روی نیمهٔ چرخش، روی کارت مخفی می‌شود و پشت کارت ظاهر (و فقط همان قابل لمس است). */
.ccard-f,.ccard-b{transition:visibility 0s linear .38s}
.ccard-b{visibility:hidden;pointer-events:none}
.ccard.flip .ccard-f{visibility:hidden;pointer-events:none}
.ccard.flip .ccard-b{visibility:visible;pointer-events:auto}
.ccard-f *,.ccard-b *{-webkit-backface-visibility:hidden;backface-visibility:hidden}
.ccard-hint{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(4,14,23,.55)}
.ccard-act .btn{position:relative;z-index:2}

/* ---------- برق نور: از روی لوگو رد می‌شود و روی «الکترو نوین پارس» ادامه پیدا می‌کند ---------- */
html[dir=rtl] .logo-glow .shine::before{animation-name:lg-shine-rtl}
@keyframes lg-shine-rtl{0%,58%{left:140%}78%,100%{left:-75%}}
.header .brand .brand-text b,.footer .brand .brand-text b{color:#fff;background:linear-gradient(90deg,#fff 0%,#fff 42%,color-mix(in srgb,var(--cyan) 50%,#fff) 48%,#fff 52%,color-mix(in srgb,var(--orange) 38%,#fff) 56%,#fff 62%,#fff 100%);background-size:300% 100%;background-position:0 0;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:bt-shine-rtl 5.6s ease-in-out infinite}
html[dir=ltr] .header .brand .brand-text b,html[dir=ltr] .footer .brand .brand-text b{animation-name:bt-shine-ltr}
@keyframes bt-shine-rtl{0%,72%{background-position:0% 0}96%,100%{background-position:100% 0}}
@keyframes bt-shine-ltr{0%,72%{background-position:100% 0}96%,100%{background-position:0% 0}}

/* ---------- تب‌های بخش‌های صفحهٔ اول: شیشه‌ای با نشانگر لغزان و آیکون ---------- */
.tabs-wrap>.container{position:relative}
.tabs-bar{position:relative;isolation:isolate;gap:4px;padding:6px;background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);border:1px solid var(--line);box-shadow:0 18px 40px -26px rgba(4,14,23,.55),inset 0 1px 0 rgba(255,255,255,.7)}
html[data-theme=dark] .tabs-bar{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.1);box-shadow:0 18px 40px -26px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.06)}
.tabs-bar button{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;transition:color .35s}
.tabs-bar button .ti{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(13,42,64,.06);transition:background .35s,transform .45s cubic-bezier(.2,.8,.2,1)}
html[data-theme=dark] .tabs-bar button .ti{background:rgba(255,255,255,.07)}
.tabs-bar button .ti svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tabs-bar button.on,.tabs-bar.has-ind button.on{background:transparent;box-shadow:none;color:#fff}
.tabs-bar button.on .ti{background:rgba(255,255,255,.2);transform:rotate(-8deg) scale(1.08)}
.tabs-bar:not(.has-ind) button.on{background:var(--orange)}
.tabs-ind{position:absolute;z-index:0;top:6px;bottom:6px;left:0;width:0;border-radius:999px;background:linear-gradient(135deg,color-mix(in srgb,var(--orange) 72%,#fff),var(--orange) 45%,var(--orange-600));box-shadow:0 10px 24px -10px color-mix(in srgb,var(--orange) 90%,transparent),inset 0 1px 0 rgba(255,255,255,.35);transition:left .45s cubic-bezier(.2,.8,.2,1),width .45s cubic-bezier(.2,.8,.2,1)}
.tabs-ind::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);background-size:250% 100%;animation:ind-glint 3.2s ease-in-out infinite}
@keyframes ind-glint{0%,60%{background-position:120% 0}100%{background-position:-120% 0}}
/* خط انرژی زیر تب‌ها (جریان برق) */
.tabs-wrap>.container::after{content:"";display:block;height:2px;max-width:min(420px,70%);margin:14px auto 0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--orange),var(--cyan),var(--orange),transparent);background-size:220% 100%;animation:energy 2.8s linear infinite;opacity:.75}
@keyframes energy{from{background-position:0 0}to{background-position:220% 0}}
.tabs-wrap section:not(.tab-off){animation:tabin2 .55s cubic-bezier(.2,.8,.2,1)}
@keyframes tabin2{from{opacity:0;transform:translateY(14px) scale(.99);filter:blur(3px)}to{opacity:1;transform:none;filter:none}}
@media(max-width:760px){
  .tabs-bar{border-radius:16px;padding:5px}
  .tabs-ind{top:5px;bottom:5px;border-radius:12px}
  .tabs-bar button{gap:6px;padding:8px 11px;font-size:13px}
  .tabs-bar button .ti{width:22px;height:22px;border-radius:7px}.tabs-bar button .ti svg{width:13px;height:13px}
}

/* ---------- فیلترهای دوره‌ها، مقالات و آموزش‌ها: سگمنت شیشه‌ای ---------- */
.filters{gap:6px;padding:6px;border-radius:18px;width:max-content;max-width:100%;background:rgba(255,255,255,.72);border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 16px 34px -26px rgba(4,14,23,.5)}
html[data-theme=dark] .filters{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.1)}
.filters a,.filters button.f{position:relative;overflow:hidden;border:0;background:transparent;padding:8px 16px;font-weight:600;font-size:13.5px;transition:color .3s,background .3s,transform .3s}
html[data-theme=dark] .filters a,html[data-theme=dark] .filters button.f{background:transparent;color:var(--ink-2)}
.filters a:hover{color:var(--orange-600);background:color-mix(in srgb,var(--orange) 8%,transparent);transform:translateY(-1px)}
.filters a.on,html[data-theme=dark] .filters a.on{color:#fff;background:linear-gradient(135deg,color-mix(in srgb,var(--orange) 72%,#fff),var(--orange) 45%,var(--orange-600));box-shadow:0 10px 22px -10px color-mix(in srgb,var(--orange) 90%,transparent);animation:chip-on .5s cubic-bezier(.2,.8,.2,1)}
.filters a.on::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);background-size:250% 100%;animation:ind-glint 3.2s ease-in-out infinite}
@keyframes chip-on{from{transform:scale(.85);opacity:.4}to{transform:none;opacity:1}}
@media(max-width:760px){.filters{width:100%;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;border-radius:14px}.filters::-webkit-scrollbar{display:none}.filters a{white-space:nowrap;padding:7px 13px;font-size:13px}}

/* ---------- منوی کشویی هدر: شیشه‌ای، با ورود نرم و پله‌ای ---------- */
@media(min-width:1101px){
  html[data-theme] .header .dd{background:color-mix(in srgb,var(--navy-900) 80%,transparent);-webkit-backdrop-filter:blur(20px) saturate(170%);backdrop-filter:blur(20px) saturate(170%);border:1px solid rgba(255,255,255,.12);border-top:0;box-shadow:0 34px 70px -24px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.08);color:#E4EDF5;transform:translateY(12px) scale(.97);transform-origin:50% 0;transition:opacity .25s,transform .4s cubic-bezier(.2,.8,.2,1),visibility .25s;padding:10px;overflow:hidden}
  html[data-theme] .header .dd::after{content:"";position:absolute;top:0;inset-inline:0;height:2px;background:linear-gradient(90deg,transparent,var(--orange),var(--cyan),transparent);background-size:200% 100%;animation:energy 3s linear infinite}
  html[data-theme] .header .nav>li:hover>.dd,html[data-theme] .header .nav>li:focus-within>.dd,html[data-theme] .header .nav>li.open>.dd{transform:none}
  html[data-theme] .header .dd a{color:#E4EDF5;transition:background .25s,transform .25s}
  html[data-theme] .header .dd a:hover{background:linear-gradient(90deg,color-mix(in srgb,var(--orange) 18%,transparent),rgba(255,255,255,.04));transform:translateX(-3px)}
  html[dir=ltr][data-theme] .header .dd a:hover{transform:translateX(3px)}
  html[data-theme] .header .dd a span.d{color:#93ABC0}
  html[data-theme] .header .dd-mega .all{color:var(--orange);border-top-color:rgba(255,255,255,.1)}
  .header .nav>li:hover>.dd a,.header .nav>li.open>.dd a{animation:dd-in .42s cubic-bezier(.2,.8,.2,1) both}
  .header .dd a:nth-child(2){animation-delay:.03s}.header .dd a:nth-child(3){animation-delay:.06s}.header .dd a:nth-child(4){animation-delay:.09s}
  .header .dd a:nth-child(5){animation-delay:.12s}.header .dd a:nth-child(6){animation-delay:.15s}.header .dd a:nth-child(7){animation-delay:.18s}
  .header .dd a:nth-child(8){animation-delay:.21s}.header .dd a:nth-child(n+9){animation-delay:.24s}
}
@keyframes dd-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- آیکون‌های سه‌بعدی (خدمات، منو، دوره‌ها، دستگاه‌ها، آموزش‌ها) ---------- */
.svc .ic,.dd .ic,html[data-theme] .header .dd .ic{position:relative;background:linear-gradient(150deg,#FFFFFF 0%,#EEF3F8 55%,#D3DFEA 100%);border:1px solid rgba(255,255,255,.8);box-shadow:inset 0 1px 0 #fff,inset 0 -4px 8px rgba(13,42,64,.12),0 10px 18px -10px rgba(4,14,23,.6),0 2px 4px rgba(4,14,23,.18);transform:perspective(320px) rotateX(6deg);transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s}
.svc .ic::after,.dd .ic::after{content:"";position:absolute;inset:2px 2px 45% 2px;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.85),rgba(255,255,255,0));pointer-events:none}
.svc .ic img,.dd .ic img{position:relative;z-index:1;filter:drop-shadow(0 3px 3px rgba(4,14,23,.28)) saturate(1.15)}
.svc:hover .ic,.dd a:hover .ic{transform:perspective(320px) rotateX(14deg) rotateY(-14deg) translateY(-3px) scale(1.06);box-shadow:inset 0 1px 0 #fff,inset 0 -4px 8px rgba(13,42,64,.12),0 16px 24px -12px color-mix(in srgb,var(--orange) 55%,transparent),0 2px 4px rgba(4,14,23,.18)}
.ccard-img.icon-bg img,.card-img.icon-bg img{background:linear-gradient(150deg,#FFFFFF 0%,#EEF3F8 55%,#D3DFEA 100%);border:1px solid rgba(255,255,255,.85);box-shadow:inset 0 1px 0 #fff,inset 0 -5px 10px rgba(13,42,64,.14),0 16px 28px -12px rgba(0,0,0,.65),0 3px 6px rgba(0,0,0,.25)}
.card:hover .card-img.icon-bg img{transform:perspective(400px) rotateX(10deg) rotateY(-12deg) translateY(-4px)}
.card-img.icon-bg img{transition:transform .5s cubic-bezier(.2,.8,.2,1)}

/* ---------- کارفرمایان: جدول لوگو، بدون نوار روان ---------- */
.cwall{padding-top:46px}
.cwall-box{position:relative;border-radius:24px;padding:30px 28px 26px;background:radial-gradient(600px 220px at 50% -10%,color-mix(in srgb,var(--cyan) 10%,transparent),transparent 70%),var(--surface);border:1px solid var(--line);box-shadow:0 24px 50px -36px rgba(4,14,23,.5);overflow:hidden}
.cwall-box::before{content:"";position:absolute;top:0;inset-inline:0;height:2px;background:linear-gradient(90deg,transparent,var(--orange),var(--cyan),transparent);background-size:200% 100%;animation:energy 4s linear infinite;opacity:.8}
.cwall-head{text-align:center;margin-bottom:20px}
.cwall-head .eyebrow{justify-content:center;margin-bottom:6px}
.cwall-head h2{font-size:clamp(18px,1.9vw,23px);font-weight:800;margin:0 0 4px}
.cwall-head p{color:var(--ink-3);font-size:13.5px;margin:0}
.cwall-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px}
.cwall-tile{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;height:84px;padding:10px 8px 8px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--ink-3);transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,border-color .35s}
.cwall-tile img{max-width:88%;max-height:40px;object-fit:contain;filter:grayscale(.35);opacity:.92;transition:filter .35s,opacity .35s,transform .35s}
.cwall-tile span{font-size:10.5px;line-height:1.3;text-align:center;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cwall-tile:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--orange) 60%,transparent);box-shadow:0 16px 26px -16px color-mix(in srgb,var(--orange) 70%,transparent)}
.cwall-tile:hover img{filter:none;opacity:1;transform:scale(1.06)}
html.js .cwall-box.reveal:not(.in) .cwall-tile{opacity:0;transform:translateY(10px)}
.cwall-box.in .cwall-tile{animation:dd-in .5s calc(var(--i,0) * 45ms) cubic-bezier(.2,.8,.2,1) both}
@media(max-width:760px){
  .cwall{padding-top:30px}
  .cwall-box{padding:20px 14px 16px;border-radius:18px}
  .cwall-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .cwall-tile{height:66px;border-radius:12px;padding:8px 6px 6px}
  .cwall-tile img{max-height:30px}.cwall-tile span{font-size:9.5px}
}

/* ---------- «دربارهٔ ما»: مدارهای چرخان دور لوگو ---------- */
.about-hero .logo-big.orb{position:relative;width:min(420px,86vw);aspect-ratio:1;margin-inline:auto}
.about-hero .logo-big.orb .logo-anim{width:62%;}
.about-hero .logo-big.orb .logo-anim img{width:100%;height:auto;animation:la-in 1.1s cubic-bezier(.2,.8,.2,1) both,la-float 6s 1.2s ease-in-out infinite;filter:drop-shadow(0 30px 50px rgba(0,0,0,.55))}
.about-hero .logo-big.orb::before{width:100%}
.orbit{position:absolute;left:50%;top:50%;border-radius:50%;border:1px dashed color-mix(in srgb,var(--cyan) 38%,transparent);translate:-50% -50%;animation:orb-spin 36s linear infinite;pointer-events:none}
.orbit.o1{width:74%;height:74%;animation-duration:22s}
.orbit.o2{width:90%;height:90%;border-style:solid;border-color:rgba(255,255,255,.08);animation-duration:34s;animation-direction:reverse}
.orbit.o3{width:106%;height:106%;border-color:color-mix(in srgb,var(--orange) 32%,transparent);animation-duration:48s}
.orbit .nd{position:absolute;top:-5px;left:calc(50% - 5px);width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px color-mix(in srgb,var(--cyan) 18%,transparent),0 0 16px color-mix(in srgb,var(--cyan) 90%,transparent)}
.orbit .nd.b{top:auto;bottom:-5px;background:var(--orange);box-shadow:0 0 0 4px color-mix(in srgb,var(--orange) 18%,transparent),0 0 16px color-mix(in srgb,var(--orange) 90%,transparent)}
.orbit .nd.c{top:calc(50% - 4px);left:-4px;width:8px;height:8px;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.9)}
.orbit .otag{position:absolute;top:50%;right:-8px;translate:50% -50%}
.orbit .otag span{display:inline-block;font:700 10px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.12em;color:var(--cyan);background:rgba(4,14,23,.72);border:1px solid color-mix(in srgb,var(--cyan) 35%,transparent);padding:5px 8px;border-radius:99px;white-space:nowrap;animation:orb-spin 22s linear infinite reverse}
.orbit.o2 .otag span{animation-duration:34s;animation-direction:normal}
.orbit.o3 .otag span{animation-duration:48s;color:color-mix(in srgb,var(--orange) 62%,#fff);border-color:color-mix(in srgb,var(--orange) 40%,transparent)}
@keyframes orb-spin{to{rotate:360deg}}
@media(max-width:760px){.orbit .otag span{font-size:8.5px;padding:4px 6px}}

/* ---------- خوش‌آمد به کاربر در هدر: «مهندس … عزیز» ---------- */
.acct-name{display:flex;flex-direction:column;line-height:1.25;text-align:start}
.acct-name small{font-size:10.5px;color:#8EA6BB;font-weight:500}
.acct-name b{font-size:13px;font-weight:700;background:linear-gradient(90deg,#fff,color-mix(in srgb,var(--orange) 38%,#fff));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.acct-head b{font-size:14.5px}
.acct .avatar.sm{box-shadow:0 0 0 2px color-mix(in srgb,var(--orange) 55%,transparent),0 0 14px color-mix(in srgb,var(--orange) 45%,transparent)}

/* ---------- صفحهٔ ورود: مرتب‌تر و شیشه‌ای ---------- */
.auth-card{border-radius:24px;padding:30px 30px 24px;box-shadow:0 40px 80px -40px rgba(4,14,23,.6),0 0 0 1px rgba(255,255,255,.04)}
html[data-theme=dark] .auth-card{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-color:rgba(255,255,255,.1)}
.auth-card h2{font-size:22px;font-weight:800}
.auth-card .tabs{position:relative;isolation:isolate}
.auth-card .tabs::before{content:"";position:absolute;z-index:-1;top:4px;bottom:4px;inset-inline-start:4px;width:calc(50% - 4px);border-radius:9px;background:linear-gradient(135deg,color-mix(in srgb,var(--orange) 72%,#fff),var(--orange) 45%,var(--orange-600));box-shadow:0 8px 18px -8px color-mix(in srgb,var(--orange) 90%,transparent);transition:transform .45s cubic-bezier(.2,.8,.2,1)}
html[dir=rtl] .auth-card .tabs:has(a:nth-child(2).on)::before{transform:translateX(-100%)}
html[dir=ltr] .auth-card .tabs:has(a:nth-child(2).on)::before{transform:translateX(100%)}
.auth-card .tabs a,.auth-card .tabs a.on{background:transparent;box-shadow:none;transition:color .3s}
.auth-card .tabs a.on{color:#fff}
.auth-card .field input{height:48px;border-radius:12px;transition:border-color .25s,box-shadow .25s}
.auth-card .field input:focus{border-color:var(--orange);box-shadow:0 0 0 4px color-mix(in srgb,var(--orange) 15%,transparent)}
.auth-card .field input.code{height:auto}
.auth-card .btn-block{height:48px;border-radius:12px;font-size:15px}
.auth-links{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px}
.pw-wrap{position:relative}
.pw-wrap input{padding-inline-end:46px}
.pw-eye{position:absolute;inset-inline-end:6px;top:50%;translate:0 -50%;width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:var(--ink-3);cursor:pointer;display:grid;place-items:center}
.pw-eye:hover{color:var(--orange);background:color-mix(in srgb,var(--orange) 8%,transparent)}
.pw-eye svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

@media(prefers-reduced-motion:reduce){
  .tabs-ind::after,.tabs-wrap>.container::after,.filters a.on::after,.cwall-box::before,.orbit,.orbit .otag span,
  .header .brand .brand-text b,.footer .brand .brand-text b,html[data-theme] .header .dd::after{animation:none}
}

/* ---------- کتاب‌ها: جلد سه‌بعدی ---------- */
.book3d{--w:150px;--t:22px;position:relative;display:block;width:var(--w);aspect-ratio:5/7;transform-style:preserve-3d;transform:perspective(1000px) rotateY(24deg);transition:transform .7s cubic-bezier(.2,.8,.2,1)}
html[dir=ltr] .book3d{transform:perspective(1000px) rotateY(-24deg)}
.book3d.lg{--w:min(260px,58vw);--t:30px}
.bk:hover .book3d,.bkd-art:hover .book3d{transform:perspective(1000px) rotateY(8deg) translateY(-6px)}
html[dir=ltr] .bk:hover .book3d,html[dir=ltr] .bkd-art:hover .book3d{transform:perspective(1000px) rotateY(-8deg) translateY(-6px)}
.book3d .b-front,.book3d .b-back{position:absolute;inset:0;border-radius:3px 7px 7px 3px;overflow:hidden}
html[dir=rtl] .book3d .b-front,html[dir=rtl] .book3d .b-back{border-radius:7px 3px 3px 7px}
.book3d .b-front{transform:translateZ(calc(var(--t) / 2));background:linear-gradient(150deg,#123A5A,#081C2D);box-shadow:0 30px 40px -24px rgba(0,0,0,.75)}
.book3d .b-front img{width:100%;height:100%;object-fit:cover;display:block}
.book3d .b-front::before{content:"";position:absolute;inset-block:0;inset-inline-end:0;width:12px;z-index:2;background:linear-gradient(90deg,rgba(255,255,255,.18),rgba(0,0,0,.28) 45%,rgba(255,255,255,.08));opacity:.9}
html[dir=ltr] .book3d .b-front::before{inset-inline-end:auto;inset-inline-start:0;background:linear-gradient(270deg,rgba(255,255,255,.18),rgba(0,0,0,.28) 45%,rgba(255,255,255,.08))}
.book3d .b-gloss{position:absolute;inset:0;z-index:3;background:linear-gradient(115deg,rgba(255,255,255,.28),rgba(255,255,255,0) 38%,rgba(255,255,255,0) 70%,rgba(255,255,255,.12));pointer-events:none}
.book3d .b-back{transform:translateZ(calc(var(--t) / -2)) rotateY(180deg);background:#0A2033;box-shadow:-10px 0 50px 10px rgba(0,0,0,.35)}
.book3d .b-pages{position:absolute;top:2.5%;height:95%;width:var(--t);inset-inline-start:0;background:repeating-linear-gradient(90deg,#fdfdfb 0,#fdfdfb 1px,#e7e4dc 1px,#e7e4dc 2px);transform:translateX(calc(var(--t) / -2)) rotateY(-90deg)}
html[dir=ltr] .book3d .b-pages{inset-inline-start:auto;left:auto;right:0;transform:translateX(calc(var(--t) / 2)) rotateY(90deg)}
.b-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px 14px;text-align:center;color:#fff;background:radial-gradient(160px 120px at 50% 20%,color-mix(in srgb,var(--cyan) 28%,transparent),transparent 70%),linear-gradient(160deg,#16466B,#071827)}
.b-ph::after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.18);border-radius:4px}
.b-ph b{font-size:14px;line-height:1.6;font-weight:800}.b-ph small{font-size:10.5px;color:#9FB6CA}
.book3d.lg .b-ph b{font-size:20px}
@media(max-width:760px){.b-ph{gap:6px;padding:12px 10px}.b-ph b{font-size:11px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.b-ph img{width:24px;height:24px}.book3d.lg .b-ph b{font-size:16px}}.book3d.lg .b-ph small{font-size:13px}
.bk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.bk{display:flex;flex-direction:column;height:100%;border-radius:20px;background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s}
.bk:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--orange) 50%,transparent);box-shadow:0 24px 44px -26px rgba(4,14,23,.6)}
.bk-cover{position:relative;display:grid;place-items:center;padding:28px 0 22px;background:radial-gradient(220px 140px at 50% 30%,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 70%),linear-gradient(160deg,var(--navy-800,#0D2A40),var(--navy-900,#081C2D))}
.bk-off{position:absolute;top:12px;inset-inline-start:12px;font-style:normal;font-size:11.5px;font-weight:800;color:#fff;background:#E5484D;border-radius:99px;padding:2px 9px}
.bk-body{display:flex;flex-direction:column;flex:1;padding:14px 16px 16px}
.bk-body h3{font-size:15.5px;line-height:1.6;margin:0 0 2px}.bk-body h3 a{color:inherit}
.bk-au{font-size:12.5px;color:var(--ink-3);margin:0 0 8px}
.bk-meta{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px}
.bk-meta span{font-size:11px;padding:1px 9px;border-radius:99px;background:var(--paper-2,#EEF3F8);color:var(--ink-2);line-height:1.9}
.bk-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.bk-price b{font-size:15px}.bk-price small{font-size:11.5px;color:var(--ink-3)}.bk-price s{display:block;font-size:11.5px;color:var(--ink-3)}
.bk-buy{padding:8px 14px;font-size:13px;border-radius:10px}
/* صفحهٔ کتاب */
.bkd-hero{position:relative;color:#fff;background:radial-gradient(700px 360px at 15% 30%,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 65%),radial-gradient(600px 300px at 90% 100%,color-mix(in srgb,var(--orange) 14%,transparent),transparent 60%),linear-gradient(180deg,var(--navy-900,#081C2D),var(--navy-900));padding:46px 0 52px;overflow:hidden}
.bkd-in{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center}
.bkd-art{display:grid;place-items:center;padding:10px 30px}
.bkd-tx .crumbs{margin-bottom:12px}
.bkd-tx h1{font-size:clamp(24px,3vw,36px);font-weight:800;margin:0 0 8px;color:#fff}
.bkd-sub{color:#C4D4E2;font-size:16px;margin:0 0 6px}.bkd-au{color:#9FB6CA;margin:0 0 18px}.bkd-au b{color:#fff}
.bkd-buy{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-bottom:18px}
.bkd-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.bkd-price b{font-size:26px}.bkd-price s{color:#8EA6BB}.bkd-price small{color:#B9CBDB}
.bkd-btns{display:flex;flex-wrap:wrap;gap:8px;margin-inline-start:auto}
.bkd-btns .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.bkd-specs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.bkd-specs li{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.bkd-specs span{display:block;font-size:11.5px;color:#8EA6BB}.bkd-specs b{font-size:14px}
.bkd-body{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.bkd-toc ol{margin:0;padding-inline-start:20px;display:grid;gap:6px;font-size:14px}
.bkd-aud{background:var(--paper-2,#EEF3F8);border-radius:12px;padding:12px 14px}
@media(max-width:860px){
  .bkd-in{grid-template-columns:1fr;gap:26px;text-align:center}
  .bkd-tx .crumbs{justify-content:center}
  .bkd-buy{justify-content:center}.bkd-btns{margin-inline-start:0;justify-content:center}
  .bkd-body{grid-template-columns:1fr}
}
@media(max-width:760px){
  .bk-grid{grid-template-columns:1fr 1fr;gap:10px}
  [data-group] .bk-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:-20px;padding:2px 20px 14px;scrollbar-width:none}
  [data-group] .bk-grid::-webkit-scrollbar{display:none}
  [data-group] .bk-grid>*{flex:0 0 52%;scroll-snap-align:start}
  .book3d{--w:104px;--t:16px}
  .bk-cover{padding:20px 0 16px}
  .bk-body{padding:10px 11px 12px}.bk-body h3{font-size:13.5px}.bk-au{font-size:11.5px;margin-bottom:6px}
  .bk-meta span{font-size:10px;padding:0 7px}.bk-meta span:nth-child(n+3){display:none}
  .bk-foot{flex-direction:column;align-items:stretch;gap:6px}.bk-buy{text-align:center;padding:7px 10px;font-size:12.5px}
  .bk-price b{font-size:13.5px}
}

/* ---------- کلاس آنلاین: پخش‌کننده و فهرست درس‌ها ---------- */
.lz{padding:28px 0 56px}
.lz-in{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.lz-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:13px}
.lz-back{color:var(--ink-3);display:inline-flex;gap:6px;align-items:center}.lz-back:hover{color:var(--orange-600)}
html[dir=rtl] .lz-back .arrow{transform:none}
.lz-count{color:var(--ink-3);background:var(--paper-2,#EEF3F8);padding:3px 10px;border-radius:99px}
.lz-title{font-size:clamp(19px,2.2vw,26px);margin:0 0 14px;font-weight:800}
.player{position:relative;border-radius:20px;overflow:hidden;background:#000;box-shadow:0 30px 60px -34px rgba(4,14,23,.8)}
.pl-stage{position:relative;aspect-ratio:16/9;background:#000}
.pl-stage video,.pl-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.player:not(:has(.pl-stage)){background:var(--surface);box-shadow:none;border:1px solid var(--line)}
.pl-resume{position:absolute;top:14px;inset-inline-start:14px;z-index:3;display:flex;align-items:center;gap:10px;padding:8px 10px 8px 14px;border-radius:12px;color:#fff;font-size:13px;background:rgba(4,14,23,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);transition:opacity .5s,transform .5s}
.pl-resume.out{opacity:0;transform:translateY(-8px);pointer-events:none}
.pl-resume button{border:0;border-radius:8px;padding:5px 10px;background:var(--orange);color:#fff;font:inherit;font-size:12px;cursor:pointer}
.pl-end{position:absolute;inset:0;z-index:4;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,rgba(22,166,113,.25),rgba(4,14,23,.88) 60%);color:#fff;text-align:center;animation:tabin2 .5s both}
.pl-end>div{display:flex;flex-direction:column;align-items:center;gap:12px}
.pl-end b{font-size:17px}
.pl-check{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#16A671;box-shadow:0 0 0 8px rgba(22,166,113,.25),0 0 30px rgba(22,166,113,.7)}
.pl-check svg,.pl-donebtn svg,.lz-list .st svg{fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.pl-check svg{width:30px;height:30px}
.pl-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;background:var(--navy-900);color:#C9D7E4}
.player:not(:has(.pl-stage)) .pl-bar{background:transparent;color:var(--ink-2)}
.pl-speed{display:flex;align-items:center;gap:4px;font-size:12.5px}
.pl-speed span{margin-inline-end:4px;color:#8EA6BB}
.pl-speed button{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:#C9D7E4;border-radius:8px;padding:4px 8px;font:600 12px var(--font);cursor:pointer;direction:ltr}
.pl-speed button.on{background:var(--orange);border-color:var(--orange);color:#fff}
.pl-donebtn{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:inherit;border-radius:10px;padding:7px 12px;font:600 13px var(--font);cursor:pointer;transition:.3s}
.player:not(:has(.pl-stage)) .pl-donebtn{border-color:var(--line);background:var(--paper-2,#EEF3F8)}
.pl-donebtn i{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;border:1.5px solid currentColor}
.pl-donebtn svg{width:13px;height:13px;opacity:0}
.pl-donebtn .t-on,.player.is-done .pl-donebtn .t-off{display:none}
.player.is-done .pl-donebtn .t-on{display:inline}
.player.is-done .pl-donebtn{background:#16A671;border-color:#16A671;color:#fff}
.player.is-done .pl-donebtn i{border-color:#fff;background:rgba(255,255,255,.2)}
.player.is-done .pl-donebtn svg{opacity:1}
.lz-body{margin-top:20px}
.lz-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.lz-pn{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);transition:.3s;color:inherit}
.lz-pn:hover{border-color:var(--orange);transform:translateY(-2px)}
.lz-pn small{color:var(--ink-3);font-size:12px}.lz-pn b{font-size:14px;line-height:1.6}
.lz-pn.next{text-align:end;grid-column:2}
.lz-side{position:sticky;top:calc(var(--header-h,90px) + 14px);border-radius:20px;border:1px solid var(--line);background:var(--surface);overflow:hidden}
.lz-prog{padding:16px 16px 12px;background:radial-gradient(300px 120px at 100% 0,color-mix(in srgb,var(--orange) 14%,transparent),transparent 70%),linear-gradient(160deg,var(--navy-800,#0D2A40),var(--navy-900,#081C2D));color:#fff}
.lz-prog-h{display:flex;align-items:baseline;gap:8px}.lz-prog-h b{font-size:24px}.lz-prog-h span{font-size:13px;color:#B9CBDB}
.lz-bar{height:7px;border-radius:9px;background:rgba(255,255,255,.12);margin:8px 0 6px;overflow:hidden}
.lz-bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--orange),color-mix(in srgb,var(--orange) 62%,#fff));transition:width 1s}
.lz-prog small{color:#9FB6CA;font-size:12px}
.lz-list{list-style:none;margin:0;padding:6px;max-height:60vh;overflow:auto}
.lz-learn .lz-list{max-height:none;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.lz-list li a{display:flex;gap:11px;align-items:center;padding:10px;border-radius:12px;color:inherit;transition:background .25s}
.lz-list li a:hover{background:var(--paper-2,#EEF3F8)}
.lz-list li.on a{background:color-mix(in srgb,var(--orange) 10%,transparent);box-shadow:inset 3px 0 0 var(--orange)}
html[dir=rtl] .lz-list li.on a{box-shadow:inset -3px 0 0 var(--orange)}
.lz-list .st{flex-shrink:0;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;border:1.5px solid var(--line);color:var(--ink-3)}
.lz-list .st em{font-style:normal}.lz-list .st .ok{display:none;width:15px;height:15px}
.lz-list li.done .st{background:#16A671;border-color:#16A671;color:#fff;box-shadow:0 0 0 4px rgba(22,166,113,.15)}
.lz-list li.done .st em{display:none}.lz-list li.done .st .ok{display:block}
.lz-list .tx{min-width:0;display:flex;flex-direction:column}
.lz-list .tx b{font-size:13.5px;line-height:1.55;font-weight:600}
.lz-list .tx small{font-size:11.5px;color:var(--ink-3)}
.lz-list .mini{display:block;height:3px;border-radius:3px;background:var(--line);margin-top:5px;width:120px;max-width:100%;overflow:hidden}
.lz-list .mini i{display:block;height:100%;background:var(--orange)}
.lz-list .empty{padding:18px;color:var(--ink-3);font-size:14px}
.lz-head{display:flex;align-items:center;gap:22px;margin:14px 0 20px;padding:20px;border-radius:22px;color:#fff;background:radial-gradient(400px 160px at 100% 0,color-mix(in srgb,var(--orange) 18%,transparent),transparent 70%),linear-gradient(160deg,var(--navy-800,#0D2A40),var(--navy-900,#081C2D))}
.lz-head h1{font-size:clamp(19px,2.4vw,26px);margin:0 0 4px;color:#fff}
.lz-head p{color:#B9CBDB;margin:0 0 12px;font-size:14px}
.lz-next{display:block;margin-top:6px;color:#8EA6BB;font-size:12px}
.ring{position:relative;flex-shrink:0;width:104px;height:104px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke:rgba(255,255,255,.12);stroke-width:10}
.ring circle.v{stroke:var(--orange);stroke-linecap:round;stroke-dasharray:calc(var(--p) * 1) 100;filter:drop-shadow(0 0 6px color-mix(in srgb,var(--orange) 60%,transparent))}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:22px}
@media(max-width:900px){
  .lz-in{grid-template-columns:1fr}
  .lz-side{position:static}
  .lz-list{max-height:none}
}
@media(max-width:760px){
  .lz{padding:16px 0 40px}
  .player{border-radius:14px;margin-inline:-6px}
  .pl-bar{padding:8px 10px}.pl-speed button{padding:3px 6px;font-size:11px}
  .pl-donebtn{font-size:12px;padding:6px 10px}
  .lz-head{flex-direction:column;text-align:center;gap:12px;padding:18px 14px}
  .ring{width:88px;height:88px}
}
.pl-end[hidden],.pl-resume[hidden]{display:none}

/* ---------- حالت اپلیکیشن (نصب‌شده روی گوشی): نوار پایین مثل اپ‌های بومی ---------- */
.app-tabbar{display:none}
@media (display-mode:standalone) and (max-width:760px){
  .app-tabbar{display:grid;grid-template-columns:repeat(var(--n,5),1fr);position:fixed;bottom:0;inset-inline:0;z-index:120;padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:rgba(6,20,31,.9);-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);border-top:1px solid rgba(255,255,255,.08)}
  .app-tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;font-weight:600;color:#8EA6BB;padding:3px 0;-webkit-tap-highlight-color:transparent}
  .app-tabbar i{width:44px;height:28px;border-radius:10px;display:grid;place-items:center;transition:background .3s,transform .3s}
  .app-tabbar svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .app-tabbar a.on{color:#fff}
  .app-tabbar a.on i{background:linear-gradient(135deg,color-mix(in srgb,var(--orange) 72%,#fff),var(--orange));box-shadow:0 8px 18px -8px color-mix(in srgb,var(--orange) 90%,transparent);transform:translateY(-2px)}
  .app-tabbar a:active i{transform:scale(.92)}
  body{padding-bottom:calc(68px + env(safe-area-inset-bottom))}
  .fab{bottom:calc(80px + env(safe-area-inset-bottom))}
  .footer .bottom{padding-bottom:16px}
  .topbar{display:none}
}
.book3d .b-front .b-ph img{width:36px;height:36px;object-fit:contain;flex-shrink:0}
.book3d.lg .b-front .b-ph img{width:56px;height:56px}
@media(max-width:760px){.book3d .b-front .b-ph img{width:24px;height:24px}.book3d.lg .b-front .b-ph img{width:44px;height:44px}}

/* ---------- هاب چرخان صفحهٔ اول ---------- */
.hub{position:relative;overflow:hidden;color:#fff;padding:50px 0 40px;background:radial-gradient(760px 340px at 50% 58%,color-mix(in srgb,var(--cyan) 15%,transparent),transparent 65%),radial-gradient(500px 260px at 85% 0,color-mix(in srgb,var(--orange) 10%,transparent),transparent 60%),linear-gradient(180deg,color-mix(in srgb,var(--navy-900) 70%,var(--navy-800)),var(--navy-900))}
.hub::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(ellipse at 50% 55%,#000 25%,transparent 72%);mask-image:radial-gradient(ellipse at 50% 55%,#000 25%,transparent 72%)}
.hub-in{position:relative}
.hub-head{text-align:center;max-width:640px;margin:0 auto}
.hub-head .eyebrow{justify-content:center;color:var(--cyan)}
.hub-head h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:800;margin:0 0 6px}
.hub-head p{color:#9FB6CA;font-size:14px;margin:0}
.hub-stage{position:relative;width:min(780px,100%);height:clamp(290px,44vw,420px);margin:6px auto 0;touch-action:pan-y;-webkit-user-select:none;user-select:none;cursor:grab;outline:0;border-radius:24px}
.hub-stage:active{cursor:grabbing}
.hub-stage:focus-visible{box-shadow:0 0 0 2px color-mix(in srgb,var(--orange) 60%,transparent)}
.hub-ring{position:absolute;left:7%;width:86%;top:16%;height:68%;overflow:visible;pointer-events:none}
.hub-ring ellipse{fill:none;stroke:color-mix(in srgb,var(--cyan) 32%,transparent);stroke-width:.35;stroke-dasharray:1.2 1.4;vector-effect:non-scaling-stroke}
.hub-ring ellipse{stroke-width:1.2px}
.hub-ring .r2{stroke:color-mix(in srgb,var(--orange) 75%,transparent);stroke-width:2px;stroke-dasharray:14 260;animation:hub-flow 6s linear infinite}
@keyframes hub-flow{to{stroke-dashoffset:-274}}
.hub-core{position:absolute;left:50%;top:50%;width:clamp(112px,21vw,184px);aspect-ratio:1;translate:-50% -50%;z-index:5;display:grid;place-items:center;pointer-events:none}
.hub-core .logo-anim{width:100%}
.hub-core .logo-anim img{width:100%;height:auto}
.hub-core .orbit.o1{width:128%;height:128%}
.hub-core .orbit.o2{width:156%;height:156%}
.hub-node{position:absolute;left:50%;top:50%;display:flex;flex-direction:column;align-items:center;gap:7px;color:#fff;will-change:transform;-webkit-tap-highlight-color:transparent;-webkit-user-drag:none}
.hub-node i{width:68px;height:68px;border-radius:19px;display:grid;place-items:center;color:#0D2A40;background:linear-gradient(150deg,#FFFFFF 0%,#EEF3F8 55%,#CFDCE8 100%);border:1px solid rgba(255,255,255,.85);box-shadow:inset 0 1px 0 #fff,inset 0 -5px 10px rgba(13,42,64,.16),0 18px 28px -14px rgba(0,0,0,.75),0 3px 6px rgba(0,0,0,.3);transition:background .35s,color .35s,box-shadow .35s}
.hub-node svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 2px rgba(13,42,64,.25))}
.hub-node span{font-size:13px;font-weight:700;padding:3px 11px;border-radius:99px;background:rgba(4,14,23,.62);border:1px solid rgba(255,255,255,.12);white-space:nowrap;transition:background .35s,border-color .35s}
.hub-node.on i{color:#fff;background:linear-gradient(150deg,color-mix(in srgb,var(--orange) 70%,#fff),var(--orange) 55%,var(--orange-600));border-color:rgba(255,200,150,.7);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 0 7px color-mix(in srgb,var(--orange) 16%,transparent),0 20px 34px -12px color-mix(in srgb,var(--orange) 85%,transparent)}
.hub-node.on span{background:var(--orange);border-color:var(--orange)}
.hub-arrow{position:absolute;top:50%;translate:0 -50%;z-index:30;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:rgba(4,14,23,.55);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .25s,border-color .25s}
.hub-arrow:hover{background:var(--orange);border-color:var(--orange)}
.hub-arrow.prev{inset-inline-start:0}.hub-arrow.next{inset-inline-end:0}
.hub-info{text-align:center;max-width:520px;margin:0 auto;min-height:104px}
.hub-info b{display:block;font-size:20px;font-weight:800}
.hub-info p{color:#B9CBDB;font-size:14px;margin:4px 0 12px}
.hub-info.swap{animation:tabin2 .45s cubic-bezier(.2,.8,.2,1) both}
@media(max-width:760px){
  .hub{padding:34px 0 26px}
  .hub-head p{font-size:13px}
  .hub-stage{height:300px;margin-top:0}
  .hub-ring{left:4%;width:92%}
  .hub-core{width:104px}
  .hub-node{gap:5px}
  .hub-node i{width:50px;height:50px;border-radius:15px}
  .hub-node svg{width:23px;height:23px}
  .hub-node span{font-size:11px;padding:2px 8px}
  .hub-arrow{width:36px;height:36px;top:auto;bottom:-6px;translate:none}
  .hub-info{min-height:96px}.hub-info b{font-size:17px}.hub-info p{font-size:13px}
}
@media(prefers-reduced-motion:reduce){.hub-ring .r2{animation:none}}

/* ---------- هاب (۲): مدار متحرک مثل مدار کوچک دور لوگو + آیکون‌های سه‌بعدی ---------- */
.hub-ring .r0{fill:none;stroke:color-mix(in srgb,var(--cyan) 10%,transparent);stroke-width:7px;vector-effect:non-scaling-stroke;filter:blur(2px)}
.hub-ring .r1{stroke:color-mix(in srgb,var(--cyan) 55%,transparent);stroke-width:1.4px;stroke-dasharray:1.3 1.3;animation:hub-dash 14s linear infinite}
@keyframes hub-dash{to{stroke-dashoffset:-26}}
.hub-spark{position:absolute;left:50%;top:50%;width:11px;height:11px;border-radius:50%;pointer-events:none;background:var(--cyan);box-shadow:0 0 0 4px color-mix(in srgb,var(--cyan) 22%,transparent),0 0 18px var(--cyan);will-change:transform}
.hub-spark.b{background:var(--orange);box-shadow:0 0 0 4px color-mix(in srgb,var(--orange) 22%,transparent),0 0 18px var(--orange)}
.hub-spark.c{width:8px;height:8px;background:#fff;box-shadow:0 0 14px rgba(255,255,255,.95)}
.hub-node i{width:74px;height:74px;border-radius:50%;background:radial-gradient(circle at 35% 25%,rgba(255,255,255,.22),rgba(255,255,255,.04) 60%),color-mix(in srgb,var(--navy-800) 72%,transparent);border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 18px 30px -14px rgba(0,0,0,.8)}
.hub-node i img{width:62%;height:62%;object-fit:contain;filter:drop-shadow(0 6px 8px rgba(0,0,0,.45));transition:transform .45s cubic-bezier(.2,.8,.2,1);pointer-events:none}
.hub-node.on i{background:radial-gradient(circle at 35% 25%,rgba(255,255,255,.35),transparent 60%),linear-gradient(150deg,color-mix(in srgb,var(--orange) 70%,#fff),var(--orange) 55%,var(--orange-600));border-color:color-mix(in srgb,var(--orange) 60%,#fff);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 0 7px color-mix(in srgb,var(--orange) 18%,transparent),0 0 0 1px color-mix(in srgb,var(--orange) 40%,transparent),0 22px 36px -12px color-mix(in srgb,var(--orange) 85%,transparent)}
.hub-node.on i img{transform:scale(1.14) translateY(-2px);animation:hub-bob 2.6s ease-in-out infinite}
@keyframes hub-bob{0%,100%{transform:scale(1.14) translateY(-2px)}50%{transform:scale(1.14) translateY(-6px)}}
@media(max-width:760px){.hub-node i{width:54px;height:54px}.hub-spark{width:8px;height:8px}}
@media(prefers-reduced-motion:reduce){.hub-ring .r1,.hub-node.on i img{animation:none}}

/* ---------- سربخش‌ها (تب‌ها) — نسخهٔ حرفه‌ای: آیکون سه‌بعدی، فونت برند، زیرعنوان دوزبانه ---------- */
.tabs-bar{border-radius:22px;padding:7px;gap:6px}
.tabs-bar button{padding:8px 16px 8px 18px;border-radius:16px;gap:10px;text-align:start}
html[dir=ltr] .tabs-bar button{padding:8px 18px 8px 16px}
.tabs-bar button .ti.ti3d{width:40px;height:40px;border-radius:12px;background:radial-gradient(circle at 35% 25%,rgba(255,255,255,.9),rgba(255,255,255,.35) 65%),color-mix(in srgb,var(--navy-700) 8%,#fff);box-shadow:inset 0 1px 0 #fff,0 6px 14px -8px rgba(4,14,23,.6)}
html[data-theme=dark] .tabs-bar button .ti.ti3d{background:radial-gradient(circle at 35% 25%,rgba(255,255,255,.22),rgba(255,255,255,.05) 65%);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 6px 14px -8px rgba(0,0,0,.8)}
.tabs-bar button .ti.ti3d img{width:30px;height:30px;object-fit:contain;filter:drop-shadow(0 3px 4px rgba(4,14,23,.35));transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.tabs-bar button.on .ti.ti3d{background:rgba(255,255,255,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.4)}
.tabs-bar button.on .ti.ti3d img{transform:scale(1.12) rotate(-6deg);animation:hub-bob 2.6s ease-in-out infinite}
.tabs-bar button:hover:not(.on) .ti.ti3d img{transform:scale(1.1) translateY(-2px)}
.tabs-bar .tlab{display:flex;flex-direction:column;line-height:1.2}
.tabs-bar .tlab b{font-family:'ENP Display','Vazirmatn',sans-serif;font-weight:700;font-size:16px;letter-spacing:0}
html[lang=en] .tabs-bar .tlab b{font-family:'ENP Classic',Georgia,serif;font-weight:600;font-size:14.5px}
.tabs-bar .tlab small{font-family:'ENP Classic',Georgia,serif;font-weight:600;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;opacity:.65;margin-top:3px}
html[lang=en] .tabs-bar .tlab small{font-family:'Vazirmatn',sans-serif;letter-spacing:0;text-transform:none;font-size:10.5px}
.tabs-ind{border-radius:16px;top:7px;bottom:7px;background:linear-gradient(135deg,color-mix(in srgb,var(--orange) 72%,#fff),var(--orange) 45%,var(--orange-600))}
/* عنوان بخش‌ها با فونت برند */
.sec-head h2,.hub-head h2,.cwall-head h2,.page-hero h1,.lz-head h1,.bkd-tx h1,.hero2 h1,.hero2 h2.h1,.f-cta h3{font-family:'ENP Display','Vazirmatn',sans-serif;font-weight:700;letter-spacing:0}
html[lang=en] :is(.hero2 h1,.hero2 h2.h1,.f-cta h3){font-family:inherit;font-weight:800}
html[lang=en] :is(.sec-head h2,.hub-head h2,.cwall-head h2,.page-hero h1,.lz-head h1,.bkd-tx h1){font-family:'ENP Classic',Georgia,serif;font-weight:600}
.sec-head h2{font-size:clamp(22px,2.4vw,31px)}
@media(max-width:760px){
  .tabs-bar{border-radius:18px;padding:5px;gap:4px}
  .tabs-bar button{padding:6px 10px 6px 12px;gap:7px;border-radius:13px}
  .tabs-bar button .ti.ti3d{width:32px;height:32px;border-radius:10px}.tabs-bar button .ti.ti3d img{width:24px;height:24px}
  .tabs-bar .tlab b{font-size:14px}.tabs-bar .tlab small{font-size:8px;letter-spacing:.12em}
  .tabs-ind{border-radius:13px;top:5px;bottom:5px}
  .sec-head h2{font-size:21px}
}
/* منوی اصلی هدر: وسط‌چین */
@media(min-width:1101px){.hd-navbar .container{position:relative;justify-content:center}.hd-navbar .nav{margin-inline:auto}.hd-navbar .hdr-cta{position:absolute;inset-inline-end:20px;top:50%;translate:0 -50%}}
.hero2 h1,.hero2 h2.h1{font-size:clamp(28px,3.5vw,46px);line-height:1.45}