/* تاپیک | توسعه انرژی پایدار یاران کهربا */
@font-face{font-family:Vazirmatn;font-weight:400;font-display:swap;src:url(../fonts/Vazirmatn-400.woff2) format("woff2")}
@font-face{font-family:Vazirmatn;font-weight:500;font-display:swap;src:url(../fonts/Vazirmatn-500.woff2) format("woff2")}
@font-face{font-family:Vazirmatn;font-weight:700;font-display:swap;src:url(../fonts/Vazirmatn-700.woff2) format("woff2")}

:root{
  --navy:#0A1A2F;--navy2:#10263F;--navy3:#173352;--line:#22405F;
  --sun:#F5A524;--sun2:#FFC861;--ok:#22C55E;--warn:#F59E0B;--bad:#EF4444;
  --ink:#0F172A;--ink2:#475569;--bg:#F6F7F9;--card:#FFFFFF;--bd:#E2E8F0;
  --r:14px;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--ink);line-height:1.8;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1232px;margin:0 auto;padding:0 16px}
.center{text-align:center}
.mt{margin-top:40px}
.muted{color:var(--ink2)}
.skip{position:absolute;right:16px;top:-60px;background:var(--sun);color:#1A1205;padding:8px 16px;border-radius:8px;z-index:100;font-weight:700}
.skip:focus{top:12px}

svg.i{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:10px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn svg.i{width:18px;height:18px}
.btn-sun{background:var(--sun);color:#1A1205}
.btn-sun:hover{background:var(--sun2);box-shadow:0 8px 24px #F5A52440}
.btn-ghost{border:1px solid #3A5A7C;color:#E6EEF7;background:transparent}
.btn-ghost:hover{border-color:var(--sun2);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy3)}
.btn-sm{min-height:42px;font-size:14px;padding:0 18px}
.btn-block{width:100%}
.btn-danger{background:#FEE2E2;color:#991B1B}
.btn-light{background:#fff;border:1px solid var(--bd);color:var(--ink)}

/* header */
.site-header{background:var(--navy);color:#E6EEF7;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:44px;height:44px;border-radius:10px;background:#fff}
.brand b{font-size:22px;display:block;line-height:1.2;color:#fff}
.brand small{font-size:12px;color:#9FB3C8;display:block;line-height:1.4}
.menu{display:flex;align-items:center;gap:28px;font-size:15px;color:#C9D6E3}
.menu a:not(.btn){padding:4px 0;border-bottom:2px solid transparent}
.menu a:not(.btn):hover{color:#fff}
.menu a.on{color:#fff;font-weight:700;border-bottom-color:var(--sun)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;color:#fff;cursor:pointer;place-items:center}

/* hero */
.hero{background:radial-gradient(900px 500px at 15% 10%,#16375A 0%,transparent 60%),var(--navy);color:#fff;padding:72px 0 110px}
.hero .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--sun2);background:#1A3350;border:1px solid #2A4A6E;padding:4px 14px;border-radius:99px;margin-bottom:22px}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px #22C55E33}
h1{font-size:50px;line-height:1.35;font-weight:700;margin-bottom:20px}
h1 em{font-style:normal;color:var(--sun)}
.lead{font-size:18px;color:#B9C9DA;margin-bottom:34px;max-width:620px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.chips{display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:#9FB3C8}
.chips span{display:flex;align-items:center;gap:8px}
.chips svg{color:var(--sun)}

/* real screenshot frame */
.screen{background:#0E2238;border:1px solid #284A6D;border-radius:14px;overflow:hidden;box-shadow:0 24px 60px #0A1A2F40}
.screen-bar{display:flex;align-items:center;gap:6px;padding:9px 14px;background:#0B1C2F;border-bottom:1px solid #20405F;font-size:12px;color:#9FB3C8}
.screen-bar i{width:9px;height:9px;border-radius:50%;background:#2B4B6C}
.screen-bar span{margin-right:auto}
.screen .zoom{display:block;cursor:zoom-in;position:relative}
.screen .zoom::after{content:"";position:absolute;inset:0;background:#0A1A2F00;transition:background .2s}
.screen .zoom:hover::after{background:#0A1A2F1A}
.hero-shot .screen{box-shadow:0 30px 80px #0008}

/* stats strip */
.strip{margin-top:-50px;position:relative;z-index:2}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--bd);border-radius:16px;box-shadow:0 12px 40px #0A1A2F14;padding:0;max-width:1200px}
.stat{padding:26px 30px;border-left:1px solid var(--bd)}
.stat:last-child{border-left:0}
.stat b{display:block;font-size:26px;color:var(--navy);line-height:1.5}
.stat span{font-size:14px;color:var(--ink2)}

/* sections */
section{padding:96px 0}
.sh{text-align:center;max-width:760px;margin:0 auto 52px}
.tag{display:inline-block;font-size:13px;font-weight:700;color:#B26A00;background:#FFF4DE;padding:3px 14px;border-radius:99px;margin-bottom:12px}
.tag-dark{background:#1E3A5A;color:var(--sun2)}
h2{font-size:36px;line-height:1.45;margin-bottom:12px}
.sh p{font-size:17px;color:var(--ink2)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:28px;transition:border-color .2s,box-shadow .2s}
.card:hover{border-color:#F5A52480;box-shadow:0 10px 30px #0A1A2F0F}
.ic{width:50px;height:50px;border-radius:12px;background:#FFF4DE;color:#B26A00;display:grid;place-items:center;margin-bottom:18px;flex:none}
.ic svg.i{width:26px;height:26px}
.ic-sm{width:34px;height:34px;border-radius:9px;margin:0}
.ic-sm svg.i{width:18px;height:18px}
.card h3{font-size:19px;margin-bottom:8px;line-height:1.5}
.card p{font-size:15px;color:var(--ink2)}

/* gallery */
.gallery{background:linear-gradient(#fff,var(--bg));border-top:1px solid var(--bd)}
.shots{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.shot-main{grid-column:1/-1}

/* how it works */
.how{background:#fff;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.step{text-align:center;padding:0 22px;position:relative}
.step .n{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:var(--navy);color:var(--sun);display:grid;place-items:center;position:relative;z-index:1}
.step .n svg.i{width:32px;height:32px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14px;color:var(--ink2)}
.flow::before{content:"";position:absolute;top:38px;right:12.5%;left:12.5%;border-top:2px dashed #CBD5E1}
.assure{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.assure > div{display:flex;gap:14px;align-items:flex-start;background:var(--bg);border-radius:12px;padding:20px}
.assure svg.i{color:var(--ok);margin-top:4px}
.assure b{display:block;font-size:16px}
.assure span{font-size:14px;color:var(--ink2)}
.how .grid2 .card{background:var(--bg)}

/* services (dark) */
.svc{background:var(--navy);color:#fff}
.svc .sh p{color:#B9C9DA}
.svc .tag{background:#1E3A5A;color:var(--sun2)}
.svc .card{background:var(--navy2);border-color:var(--line)}
.svc .card:hover{border-color:#F5A52466}
.svc .card p{color:#B9C9DA}
.svc .ic{background:#1E3A5A;color:var(--sun)}
.svc ul{margin-top:16px;display:grid;gap:8px;font-size:14px;color:#D5E1EC}
.svc li{display:flex;gap:8px;align-items:center}
.svc li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sun);flex:none}

/* brands */
.brands{background:#fff;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.brand-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.bgroup{border:1px solid var(--bd);border-radius:var(--r);padding:22px;background:var(--bg)}
.bgroup:first-child{grid-column:1/-1}
.bgroup h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:14px}
.blist{display:flex;flex-wrap:wrap;gap:10px}
.blist li{font-weight:700;font-size:14px;color:#475569;background:#fff;border:1px solid var(--bd);padding:6px 16px;border-radius:8px;letter-spacing:.2px}
.protocols{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px}
.protocols li{font-size:13px;font-weight:500;color:var(--navy);background:#EAF1F8;border:1px solid #CFDDEB;padding:4px 14px;border-radius:99px;direction:ltr}

/* inner pages */
.page-hero{background:radial-gradient(800px 400px at 10% 0%,#16375A 0%,transparent 60%),var(--navy);color:#fff;padding:72px 0 64px}
.page-hero h1{font-size:42px;max-width:860px}
.page-hero .lead{max-width:820px;margin-bottom:0}
.page-hero.small{padding:56px 0 48px}
.page-hero.notfound{padding:110px 0 140px;text-align:center}
.page-hero.notfound .lead{margin:0 auto 34px}
.page-hero.notfound .cta{justify-content:center}
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.toc a{font-size:14px;color:#C9D6E3;border:1px solid var(--line);border-radius:99px;padding:5px 16px}
.toc a:hover{border-color:var(--sun);color:#fff}
.feature{padding:88px 0}
.feature.alt{background:#fff;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.split{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:center}
.split.rev > :first-child{order:2}
.ftext p{color:var(--ink2);font-size:16px;margin-bottom:20px}
.ftext h2{font-size:32px}
.checks{display:grid;gap:10px;margin-bottom:8px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.checks svg.i{color:var(--ok);width:20px;height:20px;margin-top:4px}
.fshots{display:grid;gap:20px}
.fshots.narrow{max-width:520px;justify-self:center}
.slist{display:grid;gap:14px}
.slist > div{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:18px 20px}
.feature.alt .slist > div{background:var(--bg)}
.slist svg.i{color:#B26A00;margin-top:4px}
.slist b{display:block;font-size:16px}
.slist span{font-size:14px;color:var(--ink2)}
.grid2.tight{gap:16px}
.grid2.tight .card{padding:22px}
.cta-band{background:var(--navy);color:#fff;padding:56px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:28px;margin-bottom:4px}
.cta-band p{color:#B9C9DA}

/* contact */
.contact .wrap{display:grid;grid-template-columns:1fr 1.25fr;gap:40px;align-items:start}
section.contact{padding-top:72px}
.cinfo{background:var(--navy);color:#fff;border-radius:16px;padding:40px}
.cinfo h2{font-size:28px}
.cinfo p{color:#B9C9DA;font-size:15px;margin-bottom:30px}
.ci{display:flex;gap:16px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}
.ci .ic{margin:0;background:#1E3A5A;color:var(--sun)}
.ci small{display:block;font-size:13px;color:#8EA6BF}
.ci b{font-size:17px}
a.ci:hover b{color:var(--sun2)}
.cinfo .btn{margin-top:18px}
.form{background:#fff;border:1px solid var(--bd);border-radius:16px;padding:40px}
.form h3{font-size:22px;margin-bottom:4px}
.form > p{font-size:14px;margin-bottom:24px}
.fg{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0;border:0}
.f.full{grid-column:1/-1}
.f label,.f legend{font-size:14px;font-weight:500;margin-bottom:6px}
.f label i,.f legend i{color:var(--bad);font-style:normal}
.f input,.f textarea,.f select{width:100%;min-height:48px;border:1px solid #CBD5E1;border-radius:10px;padding:10px 14px;font-size:15px;background:#FBFCFD;transition:border-color .15s,box-shadow .15s}
.f textarea{resize:vertical;min-height:120px}
.f input:focus,.f textarea:focus,.f select:focus{outline:0;border-color:var(--sun);box-shadow:0 0 0 3px #F5A52433;background:#fff}
.f [aria-invalid="true"]{border-color:var(--bad)}
.f-err{font-size:13px;color:#B91C1C}
.radios{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{display:inline-block;border:1px solid #CBD5E1;border-radius:99px;padding:6px 16px;font-size:14px;color:var(--ink2);transition:all .15s}
.chip:hover span{border-color:var(--sun)}
.chip input:checked + span{background:#FFF4DE;border-color:var(--sun);color:#8A5200;font-weight:700}
.chip input:focus-visible + span{outline:3px solid var(--sun);outline-offset:2px}
.hp{position:absolute;right:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{min-height:52px;font-size:16px}
.alert{display:flex;gap:10px;align-items:flex-start;padding:14px 18px;border-radius:12px;font-size:15px;margin-bottom:18px}
.alert-ok{background:#DCFCE7;color:#14532D;border:1px solid #86EFAC}
.alert-ok svg.i{color:#15803D;margin-top:3px}
.alert-err{background:#FEE2E2;color:#7F1D1D;border:1px solid #FCA5A5}

/* footer */
.site-footer{background:#07131F;color:#8EA6BF;padding:56px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px}
.site-footer .brand{margin-bottom:16px}
.site-footer .brand img{width:40px;height:40px}
.site-footer .brand b{font-size:18px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer ul{display:grid;gap:8px}
.site-footer a:hover{color:var(--sun2)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start}
.foot-contact svg.i{width:18px;height:18px;color:var(--sun);margin-top:4px}
.socials{display:flex;gap:12px;margin-top:16px}
.socials a{border:1px solid #1E3550;border-radius:8px;padding:4px 12px}
.copy{border-top:1px solid #172A3E;margin-top:36px;padding-top:20px;text-align:center;font-size:13px}

/* lightbox */
.lightbox{position:fixed;inset:0;background:#050D18EE;z-index:200;display:grid;place-items:center;padding:24px;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(1500px,100%);max-height:calc(100vh - 48px);border-radius:10px;box-shadow:0 30px 80px #000}
.lb-close{position:absolute;top:16px;left:16px;width:44px;height:44px;border-radius:50%;border:1px solid #33506F;background:#0A1A2F;color:#fff;display:grid;place-items:center;cursor:pointer}
body.lb-open{overflow:hidden}

/* responsive */
@media (max-width:1100px){
  .menu{gap:18px;font-size:14px}
  h1{font-size:42px}
  .hero .wrap,.split{grid-template-columns:1fr}
  .split.rev > :first-child{order:0}
  .grid4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .menu{display:none;position:absolute;top:100%;right:0;left:0;flex-direction:column;align-items:stretch;gap:0;background:var(--navy);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .menu.open{display:flex}
  .menu a:not(.btn){padding:12px 0;border-bottom:1px solid var(--line)}
  .menu a.on{border-bottom-color:var(--line);color:var(--sun2)}
  .menu .btn{margin-top:14px}
  .site-header .wrap{position:relative}
  section,.feature{padding:64px 0}
  h2{font-size:28px}
  .ftext h2{font-size:26px}
  .page-hero h1{font-size:32px}
  .grid3,.assure,.contact .wrap,.foot-grid,.brand-groups{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .flow::before{display:none}
  .strip .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-left:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--bd)}
  .shots{grid-template-columns:1fr}
}
@media (max-width:600px){
  body{font-size:15px}
  h1{font-size:32px}
  .lead{font-size:16px}
  .hero{padding:48px 0 90px}
  .brand small{display:none}
  .grid2,.grid4,.fg{grid-template-columns:1fr}
  .stat{padding:18px}
  .stat b{font-size:20px}
  .cinfo,.form{padding:24px}
  .cta .btn{flex:1 1 100%}
  .flow{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* admin */
.admin{background:var(--bg)}
.admin-bar{background:var(--navy);color:#fff}
.admin-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.admin-bar nav{display:flex;flex-wrap:wrap;gap:6px}
.admin-bar nav a{padding:6px 12px;border-radius:8px;font-size:14px;color:#C9D6E3}
.admin-bar nav a.on,.admin-bar nav a:hover{background:var(--navy3);color:#fff}
.admin-bar .badge{background:var(--sun);color:#1A1205;border-radius:99px;font-size:12px;padding:0 7px;margin-right:4px;font-weight:700}
.admin main{padding:32px 0 64px}
.admin h1{font-size:26px;margin-bottom:20px}
.panel-box{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:24px;margin-bottom:22px}
.panel-box h2{font-size:18px;margin-bottom:14px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi-row div{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:18px}
.kpi-row b{display:block;font-size:28px;color:var(--navy)}
.kpi-row span{font-size:14px;color:var(--ink2)}
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:right;padding:10px 12px;border-bottom:1px solid var(--bd);vertical-align:top}
.tbl th{background:var(--bg);font-weight:700;white-space:nowrap}
.tbl tr.unread td{font-weight:700}
.tbl a{color:#0B5CAD}
.pill{display:inline-block;font-size:12px;border-radius:99px;padding:1px 10px;font-weight:700;white-space:nowrap}
.pill-new{background:#FFF4DE;color:#8A5200}
.pill-read{background:#E0F2FE;color:#075985}
.pill-done{background:#DCFCE7;color:#14532D}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.filters a{padding:4px 14px;border:1px solid var(--bd);border-radius:99px;font-size:14px;background:#fff}
.filters a.on{border-color:var(--sun);background:#FFF4DE;font-weight:700}
.msg-body{white-space:pre-wrap;background:var(--bg);border-radius:10px;padding:16px;margin:12px 0}
.dl{display:grid;grid-template-columns:140px 1fr;gap:6px 16px;font-size:15px}
.dl dt{color:var(--ink2)}
.inline-form{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.inline-form select,.inline-form input{min-height:40px;border:1px solid #CBD5E1;border-radius:8px;padding:4px 10px;background:#fff}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--navy)}
.login-wrap .form{width:100%;max-width:420px}
.login-wrap .brand{justify-content:center;margin-bottom:20px}
.login-wrap .brand b{color:var(--navy)}
.login-wrap .brand small{color:var(--ink2);display:block}
.pager{display:flex;gap:6px;margin-top:16px}
.pager a,.pager span{padding:4px 12px;border:1px solid var(--bd);border-radius:8px;background:#fff}
.pager span{background:var(--navy);color:#fff}
@media (max-width:800px){.kpi-row{grid-template-columns:repeat(2,1fr)}.dl{grid-template-columns:1fr}}
.pill-fail{background:#FEE2E2;color:#991B1B}
.err-cell{max-width:320px;font-size:13px;color:#7F1D1D}
.panel-box h2 .pill{vertical-align:middle;margin-right:8px}
.panel-box .fg + h2{margin-top:8px}
.f .muted{font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.f input[type=checkbox]{width:auto;min-height:0;height:16px;margin-left:6px;vertical-align:middle}
.f label.muted{display:flex;align-items:center;font-weight:400;margin:4px 0 0}
.tbl td .inline-form,.tbl td > .btn{display:inline-flex;margin:2px}