@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

:root{--navy:#071d35;--navy-2:#0d3049;--teal:#13b8ad;--teal-dark:#0c8f89;--gold:#e6b268;--paper:#f4f8fa;--muted:#667b8a;--line:#dbe6eb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Vazirmatn,Arial,sans-serif;background:var(--paper);color:var(--navy);line-height:1.9}
img{max-width:100%;height:auto}
a{color:inherit}
.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}

/* Shared header: every present and future page can use .top > .topbar */
.top,.home-header{background:var(--navy);color:#fff;position:relative;z-index:100;overflow:visible}
.top{padding-top:82px}
.top:before{content:"";position:absolute;inset:0;opacity:.12;background:linear-gradient(30deg,transparent 48%,#8be8dd 49%,transparent 51%);background-size:180px 180px;pointer-events:none}
.top>.wrap{position:relative;z-index:1}
.top .hero{position:relative;overflow:hidden}
.top .hero:before{content:"";position:absolute;inset:0;opacity:.1;background:linear-gradient(30deg,transparent 48%,#8be8dd 49%,transparent 51%);background-size:180px 180px;pointer-events:none}
.top .hero>*{position:relative;z-index:1}
.topbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(20px,calc((100% - 1160px)/2));position:fixed!important;inset:0 0 auto;width:100%;z-index:110;background:var(--navy);box-shadow:0 4px 18px #061a3033}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;line-height:1.2;white-space:nowrap;flex:0 0 auto}
.brand img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid #ffffff44;animation:brand-logo-micro 12s ease-in-out 4s infinite}
.brand span{display:block}
.brand small{display:block;font-size:11px;font-weight:500;color:#b8d0da}
.top nav,.home-header nav{display:flex;align-items:center;justify-content:flex-start;gap:12px;flex:1;min-width:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.top nav::-webkit-scrollbar,.home-header nav::-webkit-scrollbar{display:none}
.top nav a,.home-header nav a{color:#dceaf0;text-decoration:none;font-size:13px;white-space:nowrap;transition:.2s}
.top nav a:hover,.home-header nav a:hover{color:#fff}
.top nav a.active,.home-header nav a.active{color:#5ee0d6;font-weight:700}
.nav-toggle{display:none;background:transparent;color:#fff;border:1px solid #ffffff44;border-radius:8px;padding:9px 10px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;border-radius:2px}
.lang-menu-wrap{position:relative;margin-inline-start:auto}
.lang-switch{display:inline-flex;align-items:center;gap:5px;color:#dceaf0;font-size:12px;border:1px solid #ffffff44;border-radius:7px;padding:7px 10px;text-decoration:none;cursor:pointer}
.lang-switch:hover{color:#fff;border-color:#5ee0d6}
.beta-badge{display:inline-flex;align-items:center;gap:4px;flex:0 0 auto;color:#d8fffb;font-size:12px;font-weight:600;white-space:nowrap;opacity:.95}
.auth-link{font-size:12px!important;padding:7px 13px!important;border-radius:7px!important}
.lang-menu{display:none;position:absolute;top:calc(100% + 8px);inset-inline-end:0;min-width:130px;padding:6px;background:#fff;border:1px solid #dbe6eb;border-radius:9px;box-shadow:0 12px 30px #061a3040;z-index:120}
.lang-menu.is-open{display:grid}
.lang-menu button{border:0;background:transparent;text-align:right;padding:8px 10px;border-radius:6px;color:var(--navy);font:inherit;font-size:12px;cursor:pointer}
.lang-menu button:hover{background:#e9f5f4;color:var(--teal-dark)}
.auth-link{border:1px solid #5ee0d6!important;border-radius:7px;padding:8px 14px!important}
.btn{display:inline-block;background:var(--teal);color:#fff!important;border:0;border-radius:8px;padding:10px 18px;text-decoration:none;font-weight:700;cursor:pointer;transition:.2s}
.btn:hover{background:var(--teal-dark);transform:translateY(-1px)}
.btn.secondary{background:#21445e!important}
.back{display:inline-block;padding:22px 0 8px;color:#bdebe6;text-decoration:none;font-size:13px}

/* Inner-page hero */
.top>.wrap:last-child .hero{margin-top:0;border-radius:0 0 14px 14px}
.hero{padding:34px 42px 66px;background:linear-gradient(120deg,#061a30,#0d4858);color:#fff}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.35;margin:12px 0 16px}
.hero h1 em,.home-hero h1 em{font-style:normal;color:var(--teal)}
.hero p{max-width:720px;color:#d2e1e7;margin:0}
.eyebrow{display:inline-block;color:var(--teal);font-size:13px;font-weight:700}

/* Shared content primitives */
.section{padding:68px 0}
.section h2{font-size:34px;line-height:1.45;margin:0 0 18px}
.lead{max-width:820px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:12px;padding:24px;box-shadow:0 8px 24px #092b4110;display:flex;flex-direction:column;align-items:flex-start}
.card h3{margin:0 0 9px;font-size:19px}
.card p{color:var(--muted);font-size:14px;margin:0 0 14px}
.card .btn{margin-top:auto}
.tag{display:inline-block;color:#078e88;background:#e4f8f6;border-radius:5px;padding:2px 8px;font-size:11px;margin:3px}
.notice{background:#e9f5f4;border:1px solid #cce9e5;border-radius:12px;padding:22px;margin-top:28px;color:var(--muted)}
.notice strong{color:#087e78}
.event-box{background:linear-gradient(120deg,#0b3853,#0d7f7a);color:#fff;border-radius:14px;padding:28px}
.event-banner{display:block;width:100%;max-height:260px;object-fit:cover;border-radius:10px;margin:14px 0 20px}
.event-box p{color:#d8fffb}
.event-box #countdown{display:inline-block;padding:10px 14px;background:#071d35;border-radius:8px;color:#ffd58e;font-weight:700}
.group-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px}
.group-list a{background:#fff;border:1px solid var(--line);border-radius:9px;padding:15px;color:var(--navy);text-decoration:none;font-weight:600}
.leader-profile{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:center}
.leader-profile>img{width:100%;max-height:430px;object-fit:cover;border-radius:14px;box-shadow:18px 18px 0 var(--teal)}
blockquote{margin:22px 0;padding:12px 18px;border-right:3px solid var(--gold);color:var(--navy-2);font-size:18px}
.chairman-quote{max-width:860px;margin:48px auto;padding:32px 40px;background:linear-gradient(135deg,rgba(19,184,173,.08),transparent);border-inline-start:4px solid var(--teal);border-radius:12px}
.chairman-quote blockquote{margin:0;border:0;padding:0;font-size:clamp(18px,2.3vw,23px);font-weight:600;color:var(--navy);line-height:2}
.chairman-quote cite{display:block;margin-top:16px;font-style:normal;font-size:15px;color:var(--teal-dark)}
@media(max-width:700px){.chairman-quote{margin:34px 0;padding:24px 22px}.chairman-quote blockquote{font-size:17px}}
.partners{background:#e9eff2;padding:50px 0}
.logos{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.logos span{padding:12px 16px;border:1px solid #c8d3d9;border-radius:8px;background:#f8fafb;color:#73818a;filter:grayscale(1);font-size:13px}

/* Home page */
.home-header{position:absolute;inset:0 0 auto;z-index:5;background:transparent}
.home-header .topbar{min-height:82px}
.home-header .topbar{padding-inline:max(20px,calc((100% - 1160px)/2))}
.home-hero{min-height:650px;padding:160px 0 85px;background:linear-gradient(120deg,#061a30,#0d4858);color:#fff;position:relative;overflow:hidden}
.special-logo-section{display:none}
.home-hero:after{content:"";position:absolute;inset:0;opacity:.12;background:linear-gradient(30deg,transparent 48%,#8be8dd 49%,transparent 51%);background-size:180px 180px}
.home-hero>.wrap{position:relative;z-index:1}
.hero-columns{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:60px;align-items:center}
.home-hero .hero-columns{grid-template-columns:1fr}
.home-hero .glass{display:none}
.home-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.25;margin:18px 0}
.home-hero p{max-width:650px;color:#c8d6df;font-size:17px}
.glass{padding:25px;border:1px solid #ffffff44;border-radius:14px;background:#ffffff12;display:grid;grid-template-columns:1fr 1fr;gap:14px;backdrop-filter:blur(5px)}
.glass b{font-size:26px;color:var(--gold)}
.glass span{font-size:12px;color:#c4d2dd;align-self:end}
.stats-strip{background:#fff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);padding:24px 0}
.stats div{text-align:center;border-left:1px solid #e6ecef}
.stats div:last-child{border:0}
.stats b,.stats small{display:block}
.stats b{font-size:27px}
.stats small{font-size:13px;color:var(--muted)}
.service-card{min-height:250px}
.service-card h3{font-size:18px}
.services-section{background:#f4f8fa}
.checks{margin-top:24px}
.checks p{color:#168f89;margin:8px 0}
.home-join{background:var(--teal);color:#fff;padding:48px 0}
.joinin{display:flex;justify-content:space-between;align-items:center;gap:25px}
.home-join h2{margin:5px 0;font-size:32px}
.home-join p{color:#d7fffb;margin:0}

/* Forms and member pages */
.register-page{min-height:100vh;background:linear-gradient(135deg,#061a30,#0c3b54);color:#fff}
.register{padding-top:48px;padding-bottom:70px}
.register-card{max-width:650px;margin:24px auto 0;background:#0d2c46;border:1px solid #ffffff20;border-radius:18px;padding:34px;box-shadow:0 20px 60px #0005}
.register-card h1{font-size:32px;margin:10px 0 22px}
.auth-card{max-width:560px}
.auth-steps{display:flex;gap:10px;margin:18px 0 24px;padding-bottom:14px;border-bottom:1px solid #ffffff20}
.auth-steps span{flex:1;text-align:center;font-size:12px;color:#9fb3c1;padding:8px;border-radius:7px;background:#071d35}
.auth-steps .active{color:#5ee0d6;border:1px solid #13b8ad66}
.register-card label{display:block;font-size:13px;margin:14px 0}
.register-card input,.register-card select,.register-card textarea{display:block;width:100%;padding:13px;margin-top:6px;border:1px solid #ffffff28;border-radius:8px;background:#071d35;color:#fff;font:inherit;resize:vertical}
.group-checks{margin:18px 0;padding:14px 16px;border:1px solid #ffffff28;border-radius:10px}
.group-checks legend{padding:0 6px;font-size:13px}
.group-checks label{display:flex;align-items:center;gap:9px;margin:9px 0;line-height:1.6}
.group-checks label input{width:18px;height:18px;margin:0;flex:0 0 auto;accent-color:var(--teal)}
.group-info{position:relative;width:20px;height:20px;padding:0;border:1px solid #5ee0d6;border-radius:50%;background:transparent;color:#5ee0d6;font-size:12px;cursor:help;flex:0 0 auto}
.group-info::after{content:attr(data-tip);position:absolute;right:26px;top:50%;transform:translateY(-50%);width:250px;padding:9px 11px;border-radius:8px;background:#071d35;color:#fff;font-size:12px;line-height:1.7;opacity:0;visibility:hidden;pointer-events:none;z-index:20;box-shadow:0 8px 24px #0006}
.group-info:hover::after,.group-info:focus-visible::after,.group-info.is-open::after{opacity:1;visibility:visible}
.group-checks label{position:relative}
.group-checks label::after{content:"ⓘ";color:#5ee0d6;border:1px solid #5ee0d6;border-radius:50%;width:19px;height:19px;display:inline-grid;place-items:center;font-size:11px;cursor:help;margin-inline-start:auto}
.group-checks label:hover::before,.group-checks label:focus-within::before{position:static;display:block;flex-basis:100%;width:100%;margin-top:6px;padding:8px 10px;border-radius:8px;background:#071d35;color:#fff;font-size:12px;line-height:1.7;box-shadow:0 8px 24px #0006;order:3}
.group-checks label:nth-of-type(1):hover::before,.group-checks label:nth-of-type(1):focus-within::before{content:"دوره‌ها، کارگاه‌ها و برنامه‌های ارتقای مهارت تخصصی مهندسان."}
.group-checks label:nth-of-type(2):hover::before,.group-checks label:nth-of-type(2):focus-within::before{content:"ایده‌پردازی، راه‌اندازی کسب‌وکار، شبکه‌سازی و همراهی مربیان تخصصی."}
.group-checks label:nth-of-type(3):hover::before,.group-checks label:nth-of-type(3):focus-within::before{content:"تبدیل ایده‌های مهندسی به نمونه اولیه و آماده‌سازی برای جذب حمایت صنعتی."}
.group-checks label:nth-of-type(4):hover::before,.group-checks label:nth-of-type(4):focus-within::before{content:"ارتباط سرمایه‌گذاران با تیم‌های مهندسی و توسعه پروژه‌های قابل اجرا."}
.group-checks label:nth-of-type(5):hover::before,.group-checks label:nth-of-type(5):focus-within::before{content:"کاربرد هوش مصنوعی، تحلیل داده، نرم‌افزار و تحول دیجیتال در مهندسی."}
.group-checks label:nth-of-type(6):hover::before,.group-checks label:nth-of-type(6):focus-within::before{content:"قراردادها، حقوق مهندسی، امور صنفی، ادعاهای پروژه و مسئولیت حرفه‌ای."}
.steps{display:flex;justify-content:space-between;border-bottom:1px solid #ffffff20;padding:14px 0;margin-bottom:20px}
.steps b{font-size:12px;color:#9fb3c1}.steps .active{color:#5ee0d6}
.actions{display:flex;gap:10px}.actions .btn{flex:1}
.digital-card{background:linear-gradient(125deg,#0c8f89,#0b304b);border-radius:14px;padding:22px;text-align:right;display:grid;gap:8px}
.digital-card small{color:#c9fffa;letter-spacing:2px}.digital-card strong{font-size:22px}.digital-card span{color:#ffd58e;font-family:monospace}.digital-card em{font-style:normal;color:#d8fffb}
.success{text-align:center}.success-icon{width:48px;height:48px;margin:auto;border-radius:50%;display:grid;place-items:center;background:#13b8ad;font-size:30px}
.hidden{display:none!important}.card-result{margin-top:20px;text-align:center}.error{margin-top:15px;color:#ffb2b2;font-size:13px}.form-status{margin-top:14px;color:#ffd58e;font-size:13px}.lookup-register-link{display:block;margin-top:18px;color:#5ee0d6}

footer{background:#061a30;color:#b7c8d3;padding:30px 0;font-size:12px}
.site-splash{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;background:linear-gradient(135deg,#061a30,#0d4858);transition:opacity .45s ease,visibility .45s ease}
.site-splash.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
.site-splash-card{text-align:center;color:#fff}
.site-splash-card{position:relative}
.site-splash-card:before{content:"";position:absolute;left:50%;top:56px;width:142px;height:142px;transform:translate(-50%,-50%);border:2px solid transparent;border-top-color:#5ee0d6;border-left-color:#13b8ad;border-radius:50%;animation:splash-spin 1.8s linear infinite}
.site-splash-card:after{content:"";position:absolute;left:50%;top:56px;width:122px;height:122px;transform:translate(-50%,-50%);border-radius:50%;background:linear-gradient(110deg,transparent 35%,#ffffffaa 48%,transparent 60%);background-size:220% 100%;animation:splash-shine 2.2s ease-in-out infinite;pointer-events:none}
.site-splash-card img{position:relative;z-index:1;width:112px;height:112px;object-fit:cover;border-radius:50%;border:3px solid #ffffff99;box-shadow:0 0 0 10px #ffffff12,0 18px 50px #0006;animation:splash-pulse 2.2s ease-in-out infinite}
.site-splash-card h1{margin:22px 0 2px;font-size:clamp(20px,4vw,30px)}
.site-splash-card h1,.site-splash-card p{animation:splash-text-in .7s ease both}
.site-splash-card h1{animation-delay:.15s}
.site-splash-card p{animation-delay:.3s}
.site-splash-hint{margin-top:25px!important;color:#ffffff99!important;font-size:11px!important;animation-delay:.5s!important}
.site-splash-card p{margin:0;color:#bdebe6;font-size:14px}
@media(prefers-reduced-motion:reduce){.site-splash{transition:none}}
@keyframes splash-spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes splash-shine{0%,100%{background-position:120% 0;opacity:0}35%,65%{opacity:1}50%{background-position:-20% 0}}
@keyframes splash-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.035)}}
@keyframes splash-text-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes brand-logo-micro{0%{transform:rotate(0) scale(1);filter:drop-shadow(0 0 0 transparent)}4%{transform:rotate(5deg) scale(1.06);filter:drop-shadow(0 0 8px #5ee0d688)}8%{transform:rotate(-3deg) scale(1.02);filter:drop-shadow(0 0 4px #5ee0d655)}12%,100%{transform:rotate(0) scale(1);filter:drop-shadow(0 0 0 transparent)}}
@keyframes special-logo-drift{0%,100%{transform:translateY(-50%) rotate(-2deg) scale(1)}50%{transform:translateY(-50%) rotate(2deg) scale(1.035);filter:drop-shadow(0 0 34px #16d5ffbb)}}
@media(prefers-reduced-motion:reduce){.site-splash-card:before,.site-splash-card:after,.site-splash-card img{animation:none}}
@media(prefers-reduced-motion:reduce){.site-splash-card h1,.site-splash-card p{animation:none}}
@media(prefers-reduced-motion:reduce){.brand img{animation:none}}
footer a{color:#5ee0d6;text-decoration:none}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-grid b{color:#fff}
.legal{max-width:1120px;margin:20px auto 0;padding-top:16px;border-top:1px solid #ffffff18;color:#8fa4b0;font-size:11px}

@media(max-width:1100px){
  .topbar{align-items:flex-start}
  .top nav,.home-header nav{gap:9px}
  .top nav a,.home-header nav a{font-size:12px}
  .home-header{position:relative;background:var(--navy)}
  .home-hero{padding-top:70px}
  .hero-columns{gap:36px}
}
@media(max-width:850px){
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .leader-profile{grid-template-columns:1fr 1fr}
  .hero{padding-inline:28px}
}
@media(max-width:700px){
  .wrap{width:min(100% - 28px,600px)}
  .topbar{display:flex;align-items:center;gap:10px;padding:10px 14px;min-height:72px}
  .brand{white-space:normal;min-width:0;line-height:1.15;font-size:14px}
  .brand img{width:42px;height:42px}
  .brand small{font-size:10px}
  .nav-toggle{display:block;margin-inline-start:auto}
  .lang-menu-wrap{margin:10px 0 0}
  .top nav,.home-header nav{display:none;margin-top:15px;justify-content:flex-start}
  .top nav.is-open,.home-header nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:4px}
  .top nav.is-open a,.home-header nav.is-open a{display:block;width:100%;padding:8px 10px;text-align:right}
  .top nav.is-open .btn,.home-header nav.is-open .btn{width:auto;align-self:flex-start;margin-top:6px}
  .lang-menu{position:static;margin-top:4px;width:100%}
  .top nav a,.home-header nav a{font-size:12px}
  .grid,.grid4,.group-list,.footer-grid,.leader-profile{grid-template-columns:1fr}
  .hero-columns{grid-template-columns:1fr}
  .home-hero{min-height:0;padding-top:125px;padding-bottom:58px}
  .section{padding:50px 0}
  .hero{padding:28px 20px 44px}
  .leader-profile>img{max-width:320px;margin-inline:auto}
  .stats{grid-template-columns:repeat(2,1fr);gap:15px}
  .stats div:nth-child(2){border:0}
}
@media print{
  body *{visibility:hidden!important}
  #print-card,#print-card *{visibility:visible!important}
  #print-card{position:absolute;left:0;top:0;width:90mm!important;height:55mm!important;direction:rtl;background:#0b3853!important;color:#fff!important;box-shadow:none!important}
}