/* ===== ENP — الکترو نوین پارس ===== */
:root{
  --navy-950:#040E17;--navy-900:#06141F;--navy-800:#0A1F30;--navy-700:#0F2B42;--navy-600:#173A57;
  --orange:#F58220;--orange-600:#DD6F10;--orange-100:#FFF1E3;
  --cyan:#2DD4E8;--blue:#1B5FA8;
  --ink:#0E1B28;--ink-2:#41566A;--ink-3:#6B7F92;
  --paper:#F4F7FA;--paper-2:#EAF0F5;--white:#fff;--line:#DCE5ED;
  --ok:#17A06B;--err:#D6403B;
  --radius:14px;--radius-sm:9px;--shadow:0 10px 30px -12px rgba(8,28,48,.22);--shadow-lg:0 24px 60px -24px rgba(8,28,48,.4);
  --container:1200px;--header-h:72px;
  --font:'Inter','Vazirmatn','Segoe UI',Tahoma,'Noto Sans Arabic',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
html[lang=en] body{line-height:1.65;letter-spacing:-.005em}
img,svg,video,iframe{max-width:100%;display:block}
img{height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.35;color:var(--navy-900);font-weight:700}
html[lang=en] h1,html[lang=en] h2,html[lang=en] h3{line-height:1.2;letter-spacing:-.02em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--orange);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{top:10px}
.num{font-variant-numeric:tabular-nums}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}

/* ----- loader (iOS style) ----- */
.loader{position:fixed;inset:0;z-index:999;background:var(--navy-900);display:none;align-items:center;justify-content:center;flex-direction:column;gap:22px;transition:opacity .45s,visibility .45s}
html.show-loader .loader{display:flex}
.loader.hide{opacity:0;visibility:hidden}
.ios-spinner{position:relative;width:46px;height:46px}
.ios-spinner i{position:absolute;inset:0;display:block}
.ios-spinner i::before{content:"";position:absolute;left:50%;top:0;width:3.4px;height:11px;margin-left:-1.7px;border-radius:2px;background:#fff;opacity:.15;animation:iosfade 1.2s linear infinite}
@keyframes iosfade{0%{opacity:1}100%{opacity:.15}}
.loader-brand{color:#fff;font-weight:700;letter-spacing:.18em;font-size:13px;opacity:.7}

/* ----- header ----- */
.topbar{background:var(--navy-950);color:#9FB4C7;font-size:13px}
.topbar .container{direction:ltr;display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:38px}
.topbar .tb-start{display:flex;align-items:center;gap:16px;min-width:0}
.topbar .tb-tag{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .tb-links{direction:ltr}
.topbar a:hover{color:#fff}
.topbar .tb-links{display:flex;gap:18px;align-items:center}
.header{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,.07);transition:box-shadow .3s}
.header::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(6,20,31,.97);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px)}
.header.scrolled{box-shadow:0 8px 30px -10px rgba(0,0,0,.6)}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:18px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand img,.brand svg{width:46px;height:46px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;letter-spacing:.01em}
.brand-text small{font-size:11px;color:#8EA6BB;letter-spacing:.14em;text-transform:uppercase;margin-top:3px}
html[lang=fa] .brand-text small{letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:2px}
.nav>li{position:relative}
.nav>li>a,.nav>li>button{display:flex;align-items:center;gap:6px;padding:10px 11px;border:0;background:none;color:#D5E1EC;font-size:14.5px;font-weight:500;border-radius:9px;cursor:pointer;white-space:nowrap}
.nav>li>a:hover,.nav>li>button:hover,.nav>li.open>button,.nav>li>a.active,.nav>li>button.active{color:#fff;background:rgba(255,255,255,.07)}
.nav>li>a.active,.nav>li>button.active{color:var(--orange)}
.chev{width:9px;height:9px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-2px);transition:transform .2s;opacity:.7}
.nav>li.open .chev{transform:rotate(225deg) translate(-1px,-1px)}
.dd{position:absolute;top:calc(100% + 8px);inset-inline-start:0;min-width:250px;background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;border-top:3px solid var(--orange)}
.nav>li:hover>.dd,.nav>li:focus-within>.dd,.nav>li.open>.dd{opacity:1;visibility:visible;transform:none}
.dd::before{content:"";position:absolute;top:-14px;inset-inline:0;height:14px}
.dd a{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--ink)}
.dd a:hover{background:var(--paper)}
.dd a span.t{display:block;font-weight:600;font-size:14.5px;line-height:1.4}
.dd a span.d{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.5}
.dd .ic{width:38px;height:38px;border-radius:10px;background:var(--paper);display:grid;place-items:center;flex-shrink:0}
.dd .ic img{width:26px;height:26px;object-fit:contain}
.dd-mega{min-width:620px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.dd-mega .all{grid-column:1/-1;margin-top:6px;border-top:1px solid var(--line);border-radius:0;justify-content:space-between;color:var(--orange-600);font-weight:600;font-size:14px}
.header-actions{display:flex;align-items:center;gap:10px}
.lang{display:inline-flex;direction:ltr;flex:none;border:1px solid rgba(255,255,255,.2);border-radius:999px;overflow:hidden;font-size:12px;font-weight:700;letter-spacing:.04em;font-family:system-ui,Arial,sans-serif}
.lang a{width:42px;padding:3px 0;text-align:center;color:#B7C8D8}
.lang a.on{background:var(--orange);color:#fff}
.menu-btn{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);background:none;border-radius:11px;cursor:pointer;position:relative}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{position:absolute;inset-inline-start:11px;width:20px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.menu-btn span{top:20px}.menu-btn span::before{content:"";top:-6px;inset-inline-start:0}.menu-btn span::after{content:"";top:6px;inset-inline-start:0}
.menu-open .menu-btn span{background:transparent}
.menu-open .menu-btn span::before{top:0;transform:rotate(45deg)}
.menu-open .menu-btn span::after{top:0;transform:rotate(-45deg)}

/* ----- buttons ----- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:11px;border:2px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:.2s;line-height:1.4;text-align:center}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px -10px rgba(245,130,32,.8)}
.btn-primary:hover{background:var(--orange-600);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-outline{border-color:var(--navy-700);color:var(--navy-800)}
.btn-outline:hover{background:var(--navy-800);color:#fff}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.arrow{display:inline-block;transition:transform .2s}
html[dir=rtl] .arrow{transform:scaleX(-1)}
.btn:hover .arrow,.link-more:hover .arrow{transform:translateX(4px)}
html[dir=rtl] .btn:hover .arrow,html[dir=rtl] .link-more:hover .arrow{transform:scaleX(-1) translateX(4px)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--orange-600);font-weight:600}

/* ----- hero ----- */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,#10405F 0%,transparent 60%),linear-gradient(180deg,var(--navy-900),var(--navy-800));color:#fff;overflow:hidden;padding:64px 0 0}
.hero::before{content:"";position:absolute;inset:0;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% 30%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:var(--cyan);letter-spacing:.08em;margin-bottom:16px}
html[lang=en] .eyebrow{text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
.hero h1{color:#fff;font-size:clamp(30px,4.4vw,52px);font-weight:800;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p.lead{font-size:clamp(16px,1.6vw,18.5px);color:#B9CBDB;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.pill{font-size:12.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#CFE0EE}
.sld-wrap{position:relative;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:14px;box-shadow:var(--shadow-lg)}
.sld-wrap::after{content:"LIVE · 63 kV SUBSTATION";position:absolute;top:14px;inset-inline-end:18px;font-size:10px;letter-spacing:.14em;color:var(--cyan);font-weight:600;direction:ltr}
.sld{width:100%;height:auto;direction:ltr}
.sld .wire{stroke:#3B6C8F;stroke-width:2;fill:none}
.sld .hot{stroke:var(--cyan);stroke-width:2;fill:none;stroke-dasharray:6 8;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
.sld .box{fill:#0D2A40;stroke:#3B6C8F;stroke-width:1.6}
.sld .txt{fill:#BFD3E4;font-size:11px;font-family:var(--font);letter-spacing:.04em}
.sld .txt-b{fill:#fff;font-size:12px;font-weight:700;font-family:var(--font)}
.sld .node{fill:var(--orange);animation:pulse 2s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
.sld .node.n2{animation-delay:.7s}.sld .node.n3{animation-delay:1.3s}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(1.35)}}
.sld .ring{fill:none;stroke:var(--orange);stroke-width:1.5;opacity:.5;animation:ring 2.4s ease-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes ring{0%{transform:scale(.6);opacity:.7}100%{transform:scale(2);opacity:0}}
.stats{position:relative;margin-top:56px;background:rgba(255,255,255,.04);border-top:1px solid rgba(255,255,255,.08)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:26px 14px;text-align:center;border-inline-start:1px solid rgba(255,255,255,.07)}
.stat:first-child{border-inline-start:0}
.stat b{display:block;direction:ltr;unicode-bidi:isolate;font-size:clamp(28px,3.4vw,40px);color:#fff;font-weight:800;line-height:1.2}
.stat b i{font-style:normal;color:var(--orange)}
.stat>span{font-size:13.5px;color:#9FB4C7}

/* ----- clients ----- */
.clients{background:var(--white);border-bottom:1px solid var(--line);padding:26px 0;overflow:hidden}
.clients-title{text-align:center;font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.1em;margin-bottom:16px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:56px;align-items:center;width:max-content;animation:marq 38s linear infinite;direction:ltr}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee img{height:54px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.25s}
.marquee img:hover{filter:none;opacity:1}
@keyframes marq{to{transform:translateX(-50%)}}

/* ----- sections ----- */
.section{padding:84px 0}
.section.alt{background:var(--paper)}
.section.dark{background:linear-gradient(180deg,var(--navy-900),var(--navy-800));color:#D5E1EC}
.section.dark h2,.section.dark h3{color:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.sec-head .eyebrow{color:var(--orange-600);margin-bottom:10px}
.dark .sec-head .eyebrow{color:var(--cyan)}
.sec-head h2{font-size:clamp(25px,3vw,36px);margin:0;font-weight:800}
.sec-head p{margin:10px 0 0;color:var(--ink-2);max-width:620px}
.dark .sec-head p{color:#9FB4C7}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#C5D4E2}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:18.5px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:15px}
.card .link-more{margin-top:auto;padding-top:8px}
.card-img{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img img{transform:scale(1.05)}
.card-img.icon-bg{display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-800),var(--navy-600))}
.card-img.icon-bg img{width:96px;height:96px;object-fit:contain;background:#fff;border-radius:22px;padding:14px}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 11px;border-radius:999px;background:var(--orange-100);color:var(--orange-600)}
.badge.blue{background:#E6F0FA;color:var(--blue)}
.badge.green{background:#E3F6EE;color:var(--ok)}
.badge.gray{background:var(--paper-2);color:var(--ink-2)}
.badge.abs{position:absolute;top:12px;inset-inline-start:12px;background:#fff}
.chip{width:58px;height:58px;border-radius:15px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;margin-bottom:16px;transition:.25s}
.chip img{width:38px;height:38px;object-fit:contain}
.card:hover .chip{background:var(--orange-100);border-color:#F6C79B}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13.5px;color:var(--ink-3);margin-bottom:10px}
.meta b{color:var(--ink-2);font-weight:600}

.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tile{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:.25s}
.tile:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);border-color:var(--orange)}
.tile img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:12px;padding:6px;margin-bottom:8px}
.tile b{color:#fff;font-size:16.5px}.tile span{font-size:13.5px;color:#9FB4C7;line-height:1.6}

.why{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:w}
.why-item{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);position:relative}
.why-item::before{counter-increment:w;content:"0" counter(w);position:absolute;top:14px;inset-inline-end:18px;font-size:30px;font-weight:800;color:var(--paper-2)}
.why-item h3{font-size:17px}.why-item p{margin:0;font-size:14.5px;color:var(--ink-2)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{padding:0 18px;text-align:center;position:relative}
.step .dot{width:56px;height:56px;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-weight:800;margin:0 auto 14px;border:4px solid var(--paper);box-shadow:0 0 0 2px var(--orange);position:relative;z-index:1}
.step::before{content:"";position:absolute;top:28px;inset-inline:-50% 50%;height:2px;background:repeating-linear-gradient(90deg,var(--orange) 0 6px,transparent 6px 12px)}
.step:first-child::before{display:none}
.step h3{font-size:16.5px}.step p{font-size:14px;color:var(--ink-2);margin:0}
.industries{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ind{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;display:flex;align-items:flex-end;color:#fff}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ind:hover img{transform:scale(1.07)}
.ind::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(4,14,23,.9))}
.ind span{position:relative;z-index:1;padding:20px;font-weight:700;font-size:18px}
.cta{background:linear-gradient(120deg,var(--navy-800),var(--navy-600));border-radius:24px;padding:48px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset-inline-end:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(245,130,32,.45),transparent 70%)}
.cta h2{color:#fff;margin:0 0 8px;font-size:clamp(22px,2.6vw,30px)}
.cta p{margin:0;color:#B9CBDB}
.cta>*{position:relative;z-index:1}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.feature-media{border-radius:20px;overflow:hidden;background:linear-gradient(135deg,var(--navy-800),var(--navy-600));aspect-ratio:4/3;display:grid;place-items:center;box-shadow:var(--shadow-lg)}
.feature-media img.cover{width:100%;height:100%;object-fit:cover}
.feature-media img.ico{width:46%;background:#fff;border-radius:34px;padding:7%}
.ticks li{position:relative;padding-inline-start:30px;margin-bottom:8px}
.ticks li::before{content:"";position:absolute;inset-inline-start:0;top:.55em;width:18px;height:18px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
html[lang=en] .ticks li::before{top:.4em}

/* ----- page hero ----- */
.page-hero{background:linear-gradient(180deg,var(--navy-900),var(--navy-800));color:#fff;padding:54px 0 48px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(26px,3.4vw,40px);margin:8px 0 10px;font-weight:800}
.page-hero p{color:#B9CBDB;max-width:680px;margin:0}
.crumbs{font-size:13px;color:#8EA6BB;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:var(--orange)}
.crumbs i{font-style:normal;opacity:.5}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px;align-items:center}
.filters a,.filters button.f{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--ink-2);cursor:pointer}
.filters a:hover{border-color:var(--orange);color:var(--orange-600)}
.filters a.on{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.searchbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.searchbar input,.searchbar select{flex:1;min-width:160px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.empty{text-align:center;padding:60px 20px;color:var(--ink-3);background:var(--paper);border-radius:var(--radius);border:1px dashed var(--line)}
.empty img{width:70px;margin:0 auto 12px;opacity:.8}

/* ----- detail ----- */
.detail{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.prose p{color:var(--ink-2);font-size:16.5px}
.prose h2{font-size:22px;margin-top:1.4em}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:calc(var(--header-h) + 18px);box-shadow:var(--shadow)}
.aside-card h3{font-size:18px}
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec td{padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec td:first-child{color:var(--ink-3);padding-inline-end:14px;width:42%}
.spec td:last-child{font-weight:600}
.price{font-size:30px;font-weight:800;color:var(--navy-900);line-height:1.2}
.price small{font-size:14px;font-weight:500;color:var(--ink-3)}
.video-box{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#000;margin-bottom:26px}
.video-box iframe,.video-box video{position:absolute;inset:0;width:100%;height:100%;border:0}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.gallery a{display:block;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery a:hover img{transform:scale(1.06)}
.cover-big{border-radius:var(--radius);overflow:hidden;margin-bottom:26px;box-shadow:var(--shadow)}
.cover-big img{width:100%}
.syllabus li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.syllabus .n{width:34px;height:34px;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex-shrink:0}
.syllabus b{display:block}.syllabus small{color:var(--ink-3)}
.syllabus .h{margin-inline-start:auto;font-size:13px;color:var(--ink-3);white-space:nowrap}

/* ----- forms ----- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--navy-800)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;transition:.2s}
.field input[type=file]{padding:9px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 4px rgba(245,130,32,.15)}
.field .help{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.field .err,.errorlist{color:var(--err);font-size:13px;margin:4px 0 0;padding:0;list-style:none}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
input[name=website]{display:none}
.msgs{position:fixed;top:calc(var(--header-h) + 14px);inset-inline:0;z-index:150;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;padding-inline:16px}
.msg{pointer-events:auto;background:#fff;border-radius:12px;padding:13px 20px;box-shadow:var(--shadow-lg);border-inline-start:5px solid var(--ok);font-weight:500;max-width:560px;animation:slidein .4s}
.msg.error{border-color:var(--err)}
@keyframes slidein{from{opacity:0;transform:translateY(-14px)}}
.alert{padding:12px 16px;border-radius:10px;background:#FDECEB;color:var(--err);margin-bottom:16px;font-size:14px}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:start}
.info-list li{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.info-ic{width:44px;height:44px;border-radius:12px;background:var(--orange-100);display:grid;place-items:center;color:var(--orange-600);flex-shrink:0}
.info-ic svg{width:22px;height:22px}
.info-list b{display:block;font-size:13px;color:var(--ink-3);font-weight:600}
.info-list a:hover{color:var(--orange-600)}
.map-wrap{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--navy-800);min-height:300px}
.map-wrap iframe{width:100%;height:100%;min-height:300px;border:0;filter:saturate(.9)}
.map-pin{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center}
.map-pin i{width:18px;height:18px;border-radius:50%;background:var(--orange);position:relative;box-shadow:0 0 0 4px rgba(245,130,32,.35)}
.map-pin i::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--orange);animation:ring 2s ease-out infinite}
.map-fallback{display:grid;place-items:center;min-height:300px;color:#9FB4C7;text-align:center;padding:20px;background:radial-gradient(circle at 50% 50%,#12405F,var(--navy-900))}

/* ----- about ----- */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center;transition:.25s}
.member:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.member .ph{aspect-ratio:1/1;background:linear-gradient(135deg,var(--navy-800),var(--navy-600));display:grid;place-items:center;overflow:hidden}
.member .ph.noimg{aspect-ratio:16/7}
.member .ph img{width:100%;height:100%;object-fit:cover}
.member .ph .ini{width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:34px;font-weight:700;display:grid;place-items:center;border:2px solid var(--orange)}
.member .bd{padding:20px}
.member h3{margin-bottom:2px;font-size:19px}
.member .role{color:var(--orange-600);font-weight:600;font-size:14px;margin-bottom:10px}
.member p{font-size:14.5px;color:var(--ink-2);margin:0}
.timeline{position:relative;max-width:820px;margin-inline:auto}
.timeline::before{content:"";position:absolute;inset-inline-start:22px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--orange),var(--cyan))}
.tl{position:relative;padding-inline-start:64px;margin-bottom:28px}
.tl::before{content:"";position:absolute;inset-inline-start:14px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--orange)}
.tl .y{font-weight:700;color:var(--orange-600);font-size:14px}
.tl h3{font-size:18px;margin:2px 0 4px}.tl p{margin:0;color:var(--ink-2);font-size:15px}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mv .box{padding:30px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);border-top:4px solid var(--orange)}
.certs{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.cert:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.cert .im{aspect-ratio:3/4;background:var(--paper-2);display:grid;place-items:center;overflow:hidden}
.cert .im img{width:100%;height:100%;object-fit:cover}
.cert .im .ico{width:64px;opacity:.7}
.cert div.t{padding:14px;font-size:14px}.cert div.t b{display:block;line-height:1.5}.cert div.t small{color:var(--ink-3)}

/* ----- footer ----- */
.footer{background:var(--navy-950);color:#8EA6BB;padding:64px 0 0;font-size:14.5px}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer li{margin-bottom:9px}
.footer a:hover{color:var(--orange)}
.footer .brand{margin-bottom:14px}
.footer .about{max-width:340px;line-height:1.9}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.07);display:grid;place-items:center;transition:.2s}
.social a:hover{background:var(--orange);color:#fff}
.social svg{width:18px;height:18px}
.footer .bottom{border-top:1px solid rgba(255,255,255,.07);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.fab{position:fixed;inset-inline-end:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:10px}
.fab a{width:50px;height:50px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.5);transition:.2s}
.fab a:hover{transform:scale(1.08)}
.fab svg{width:26px;height:26px}

/* ----- motion ----- */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.float{animation:floaty 5s ease-in-out infinite}

/* ----- responsive ----- */
@media (max-width:1320px){.hdr-cta{display:none}}
@media (max-width:1100px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:var(--nav-top,var(--header-h)) 0 0 0;background:var(--navy-900);flex-direction:column;align-items:stretch;gap:0;padding:14px 18px 40px;overflow-y:auto;transform:translateX(100%);visibility:hidden;transition:transform .3s,visibility .3s;-webkit-overflow-scrolling:touch}
  html[dir=rtl] .nav{transform:translateX(-100%)}
  .menu-open .nav,html[dir=rtl].menu-open .nav{transform:none;visibility:visible}
  .menu-open{overflow:hidden}
  .nav>li>a,.nav>li>button{width:100%;padding:15px 8px;font-size:16.5px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0;justify-content:space-between}
  .dd{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);border-radius:12px;min-width:0;padding:6px;margin:6px 0 10px;display:none;border-top:0}
  .nav>li.open>.dd{display:block}
  .nav>li:hover>.dd{display:none}.nav>li.open:hover>.dd{display:block}
  .dd a{color:#E4EDF5}.dd a:hover{background:rgba(255,255,255,.07)}
  .dd a span.d{color:#8EA6BB}.dd .ic{background:#fff}
  .dd-mega{display:none;grid-template-columns:1fr}
  .nav>li.open>.dd-mega{display:grid}
  .dd-mega .all{color:var(--orange)}
  .hero .container{grid-template-columns:1fr}
  .g4,.tiles,.why,.steps{grid-template-columns:repeat(2,1fr)}
  .steps{gap:30px 0}.step::before{display:none}
  .detail{grid-template-columns:1fr}.aside-card{position:static}
  .footer .cols{grid-template-columns:1fr 1fr}
  .hdr-cta{display:none}
}
@media (max-width:760px){
  .section{padding:56px 0}
  .g2,.g3,.g4,.industries,.contact-grid,.feature,.mv,.form-row{grid-template-columns:1fr}
  .tiles,.why{grid-template-columns:1fr}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-inline-start:0}
  .stat{border-top:1px solid rgba(255,255,255,.07)}
  .hero{padding-top:36px}
  .cta{padding:32px 24px}
  .topbar .tb-tag,.topbar .tb-mail{display:none}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr}
  .brand-text small{display:none}
  .sld-wrap::after{display:none}
  .form-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  html.js .reveal{opacity:1;transform:none}
  .marquee-track{animation:none}
}
@media print{.header,.topbar,.footer,.fab,.loader{display:none}}

/* spinner ticks */
.ios-spinner i:nth-child(1){transform:rotate(0deg)}.ios-spinner i:nth-child(1)::before{animation-delay:-1.2s}
.ios-spinner i:nth-child(2){transform:rotate(30deg)}.ios-spinner i:nth-child(2)::before{animation-delay:-1.1s}
.ios-spinner i:nth-child(3){transform:rotate(60deg)}.ios-spinner i:nth-child(3)::before{animation-delay:-1.0s}
.ios-spinner i:nth-child(4){transform:rotate(90deg)}.ios-spinner i:nth-child(4)::before{animation-delay:-0.9s}
.ios-spinner i:nth-child(5){transform:rotate(120deg)}.ios-spinner i:nth-child(5)::before{animation-delay:-0.8s}
.ios-spinner i:nth-child(6){transform:rotate(150deg)}.ios-spinner i:nth-child(6)::before{animation-delay:-0.7s}
.ios-spinner i:nth-child(7){transform:rotate(180deg)}.ios-spinner i:nth-child(7)::before{animation-delay:-0.6s}
.ios-spinner i:nth-child(8){transform:rotate(210deg)}.ios-spinner i:nth-child(8)::before{animation-delay:-0.5s}
.ios-spinner i:nth-child(9){transform:rotate(240deg)}.ios-spinner i:nth-child(9)::before{animation-delay:-0.4s}
.ios-spinner i:nth-child(10){transform:rotate(270deg)}.ios-spinner i:nth-child(10)::before{animation-delay:-0.3s}
.ios-spinner i:nth-child(11){transform:rotate(300deg)}.ios-spinner i:nth-child(11)::before{animation-delay:-0.2s}
.ios-spinner i:nth-child(12){transform:rotate(330deg)}.ios-spinner i:nth-child(12)::before{animation-delay:-0.1s}

/* rich text */
.prose h3{font-size:18px;margin-top:1.2em}
.tbl{overflow-x:auto;margin:14px 0 22px;border:1px solid var(--line);border-radius:12px;-webkit-overflow-scrolling:touch}
.tbl table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px;background:#fff}
.tbl th{background:var(--navy-800);color:#fff;font-weight:600;text-align:start;padding:11px 14px;white-space:nowrap}
.tbl td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.tbl tr:nth-child(even) td{background:var(--paper)}
.tbl td:first-child{font-weight:700;color:var(--navy-800)}
.tbl td strong{color:var(--navy-900)}
.prose ul.ticks{margin-bottom:18px}
.tbl td,.tbl th{unicode-bidi:plaintext}
.detail>*{min-width:0}
.formula{direction:ltr;text-align:center;font-family:Consolas,'Courier New',monospace;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0 16px;color:var(--navy-900);font-size:15.5px;overflow-x:auto}
.alert.ok{background:#E3F6EE;color:var(--ok)}
.alert.warn{background:var(--orange-100);color:var(--orange-600)}
.lessons li{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;transition:.2s}
.lessons li:hover{border-color:var(--orange);box-shadow:var(--shadow)}
.lessons a{display:flex;gap:14px;align-items:center;padding:14px 16px}
.lessons .n{width:36px;height:36px;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex-shrink:0}
.lessons li.on{border-color:var(--orange);background:var(--orange-100)}
.auth-box{max-width:460px;margin-inline:auto}
.auth-alt{text-align:center;margin-top:16px;color:var(--ink-2);font-size:14.5px}
.auth-alt a{color:var(--orange-600);font-weight:600}
.btn-icon{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:none;color:#fff;display:grid;place-items:center;cursor:pointer;flex-shrink:0;transition:.2s}
.btn-icon:hover{background:rgba(255,255,255,.1)}
.btn-icon svg{width:19px;height:19px}
/* search */
.sr-item{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;background:#fff;transition:.2s}
.sr-item:hover{border-color:var(--orange);box-shadow:var(--shadow)}
.sr-sub{display:block;font-size:13px;color:var(--ink-3)}
.sr-snip{font-size:13.5px;color:var(--ink-2);margin-top:4px}
.sr-snip mark,.so-snip mark,.so-title mark{background:#FFE2BF;color:inherit;border-radius:3px;padding:0 2px}
.so{position:fixed;inset:0;z-index:300;background:rgba(4,14,23,.78);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:none;padding:70px 16px 16px;overflow-y:auto}
.so.open{display:block}
.so-box{max-width:720px;margin-inline:auto;background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.so-input{display:flex;align-items:center;gap:10px;padding:6px 16px;border-bottom:1px solid var(--line)}
.so-input svg{width:20px;height:20px;color:var(--ink-3);flex-shrink:0}
.so-input input{flex:1;border:0;padding:15px 4px;font-size:17px;outline:none;background:none;min-width:0}
.so-close{border:0;background:var(--paper);border-radius:8px;padding:5px 11px;cursor:pointer;font-size:13px;color:var(--ink-2)}
.so-res{max-height:60vh;overflow-y:auto;padding:6px 8px 12px}
.so-hint{padding:22px;text-align:center;color:var(--ink-3);font-size:14px}
.so-g{font-size:12px;font-weight:700;color:var(--orange-600);letter-spacing:.08em;padding:12px 10px 4px}
.so-it{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:10px;border-radius:10px;color:var(--ink)}
.so-it:hover,.so-it.act{background:var(--paper)}
.so-title{font-weight:600;font-size:15px;line-height:1.5}
.so-sub{font-size:12.5px;color:var(--ink-3)}
.so-snip{font-size:12.5px;color:var(--ink-2);margin-top:2px}
.so-all{display:block;text-align:center;padding:12px;border-top:1px solid var(--line);color:var(--orange-600);font-weight:600;font-size:14px}
.hero-search{display:flex;gap:0;margin-top:22px;max-width:520px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-search input{flex:1;border:0;padding:14px 16px;font-size:15px;color:var(--ink);outline:none;min-width:0;background:#fff}
.hero-search button{border:0;background:var(--orange);color:#fff;padding:0 20px;font-weight:600;cursor:pointer}

/* موبایل باریک: جلوگیری از سرریز هدر */
@media (max-width:480px){
  .header-actions{gap:5px}
  .header-actions .btn-icon{width:34px;height:34px}
  .brand img,.brand svg{width:38px;height:38px}
  .brand-text b{font-size:15px}
  .brand{gap:8px}
}
@media (max-width:360px){.header-actions .btn-icon:nth-of-type(2){display:none}}
@media (max-width:480px){
  .header .container{gap:8px}
  .brand{min-width:0;flex-shrink:1}
  .brand-text{min-width:0}
  .brand-text b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}
}

/* لیست شماره‌دار مقالات */
.prose ol.steps{list-style:none;counter-reset:st;padding:0;margin:0 0 18px}
.prose ol.steps li{counter-increment:st;position:relative;padding-inline-start:40px;margin-bottom:10px}
.prose ol.steps li::before{content:counter(st);position:absolute;inset-inline-start:0;top:.45em;width:26px;height:26px;border-radius:50%;background:var(--navy-800);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center;line-height:1}
html[lang=fa] .prose ol.steps li::before{content:counter(st,persian)}

/* خوانایی جدول و فرمول در حالت تیره */
html[data-theme=dark] .tbl td:first-child,html[data-theme=dark] .tbl td strong,html[data-theme=dark] .formula{color:var(--ink)}
html[data-theme=dark] .tbl table{background:transparent}
html[data-theme=dark] .formula{background:rgba(255,255,255,.04);border-color:var(--line)}