:root{
  --primary:#1d6f5c;
  --accent:#e0a52b;
  --surface:#f7f5ef;
  --text:#22302c;
  --muted:#6b7a75;
  --border:#e4e0d5;
  --radius:18px;
  --media-background:#111;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Vazirmatn,system-ui,Tahoma,sans-serif;
  background:#fff;color:var(--text);line-height:1.9;
  display:flex;flex-direction:column;min-height:100vh;
}
main{flex:1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1140px;margin-inline:auto;padding-inline:16px}

/* هدر */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{width:52px;height:52px;border-radius:14px;object-fit:cover;flex-shrink:0}
.brand-logo--fallback{display:grid;place-items:center;background:var(--primary);color:#fff}
.brand-logo--fallback svg{width:26px;height:26px}
.brand-text{min-width:0}
.brand-text strong{display:block;color:var(--primary);font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{display:block;color:var(--muted);font-size:.78rem}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{padding:8px 14px;border-radius:12px;font-weight:600;font-size:.93rem;color:#3b4b46;transition:.2s}
.site-nav a:hover,.site-nav a.active{background:var(--surface);color:var(--primary)}
.nav-cta{margin-inline-start:8px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:12px;cursor:pointer;color:var(--primary)}
.nav-toggle svg{width:22px;height:22px;margin:auto}

/* دکمه‌ها */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:14px;font-weight:700;border:1px solid transparent;cursor:pointer;font-family:inherit;font-size:.95rem;transition:.2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{opacity:.9}
.btn-outline{border-color:var(--border);background:#fff;color:var(--text)}
.btn-danger{border-color:#c0392b;color:#c0392b;background:#fff}
.btn svg{width:18px;height:18px}

/* اسلایدر */
.slider{position:relative;overflow:hidden;background:#0d1f1a}
.slide{display:none;position:relative;height:clamp(280px,52vw,540px)}
.slide.is-active{display:block}
.slide img{width:100%;height:100%;object-fit:cover}
.slide-caption{position:absolute;inset-inline:0;bottom:0;padding:28px 24px 46px;background:linear-gradient(to top,rgba(0,0,0,.72),transparent);color:#fff}
.slide-caption h2{font-size:clamp(1.15rem,3.2vw,2rem)}
.slide-caption p{opacity:.9;font-size:clamp(.85rem,2vw,1rem)}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:none;background:rgba(255,255,255,.85);cursor:pointer;display:grid;place-items:center}
.slider-btn svg{width:20px;height:20px}
.slider-btn.prev{inset-inline-start:14px}
.slider-btn.next{inset-inline-end:14px}
.slider-dots{position:absolute;bottom:14px;inset-inline:0;display:flex;justify-content:center;gap:6px}
.slider-dots button{width:10px;height:10px;border-radius:99px;border:none;background:rgba(255,255,255,.55);cursor:pointer;transition:.2s}
.slider-dots button.is-active{width:26px;background:var(--accent)}

/* بخش‌ها */
section{padding-block:44px}
.section-title{position:relative;color:var(--primary);font-size:clamp(1.15rem,2.6vw,1.6rem);padding-bottom:12px;margin-bottom:8px}
.section-title::after{content:"";position:absolute;bottom:0;inset-inline-start:0;width:64px;height:4px;border-radius:99px;background:var(--accent)}
.section-sub{color:var(--muted);font-size:.95rem;margin-bottom:22px}

.portal-box{background:var(--surface);border:1px solid var(--border);border-radius:26px;padding:34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background-image:radial-gradient(currentColor 1px,transparent 1px);background-size:22px 22px;color:rgba(0,0,0,.05)}
.portal-box>*{color:var(--text)}
.portal-box p{color:var(--muted);margin-top:12px;max-width:640px}

.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.slogan-card{text-align:center;transition:.2s}
.slogan-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.07)}
.slogan-icon{width:56px;height:56px;margin-inline:auto;border-radius:18px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 22%,#fff);color:var(--primary)}
.slogan-icon svg{width:28px;height:28px}
.slogan-card p{margin-top:14px;font-weight:600;font-size:.95rem}

.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-card img{width:100%;height:100%;object-fit:cover}
.news-card .news-thumb{display:block;width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge{align-self:flex-start;background:var(--surface);color:var(--primary);font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:99px}
.news-body h3{font-size:1rem}
.news-body p{color:var(--muted);font-size:.9rem}
.news-date{color:var(--muted);font-size:.78rem;margin-top:auto}

.news-row{display:flex;gap:0;overflow:hidden;padding:0;margin-bottom:20px}
.news-row .news-thumb{display:block;width:270px;aspect-ratio:4/3;overflow:hidden;flex-shrink:0;background:var(--surface)}
.news-row img{width:100%;height:100%;object-fit:cover}
.news-row .news-body{padding:22px}
.news-row .news-body p{color:#3b4b46;white-space:pre-line}

.staff-card{display:flex;flex-direction:column;gap:14px}
.staff-top{display:flex;align-items:center;gap:14px;min-width:0}
.staff-photo{width:64px;height:64px;border-radius:18px;object-fit:cover;flex-shrink:0;background:var(--surface)}
.staff-photo--fallback{display:grid;place-items:center;color:var(--primary)}
.staff-photo--fallback svg{width:30px;height:30px}
.staff-top h3{font-size:1rem}
.staff-top span{color:var(--primary);font-weight:700;font-size:.88rem}
.staff-card p{color:var(--muted);font-size:.88rem}

.info-card{display:flex;gap:12px;align-items:flex-start}
.info-icon{width:44px;height:44px;border-radius:14px;background:var(--surface);color:var(--primary);display:grid;place-items:center;flex-shrink:0}
.info-icon svg{width:20px;height:20px}
.info-card small{color:var(--muted);display:block;font-size:.78rem}
.info-card strong{font-size:.92rem;word-break:break-word}
.bg-surface{background:var(--surface)}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.filters a{padding:8px 18px;border-radius:12px;background:var(--surface);font-weight:700;font-size:.88rem;color:#3b4b46}
.filters a.active{background:var(--primary);color:#fff}
.empty{border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}
.page-head{padding-block:36px 8px}

/* فوتر */
.site-footer{margin-top:50px;background:var(--primary);color:#fff}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding-block:44px}
.site-footer h3{font-size:1.15rem}
.site-footer h4{margin-bottom:10px}
.site-footer p,.footer-links{opacity:.88;font-size:.9rem}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a:hover{text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding:14px;text-align:center;font-size:.8rem;opacity:.85}

/* ریسپانسیو */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-toggle{display:grid}
  .site-nav{display:none;position:absolute;top:100%;inset-inline:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;padding:12px;gap:6px}
  body.nav-open .site-nav{display:flex}
  .nav-cta{margin:6px 0 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .news-row{flex-direction:column}
  .news-row .news-thumb{width:100%;aspect-ratio:16/10}
  .news-row img{width:100%;height:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .portal-box{padding:24px}
}

/* ===================================================== */
/*  نسخه ۲ — ظاهر شیک‌تر و المان‌های آموزشی               */
/* ===================================================== */
body{background:
  radial-gradient(circle at 12% 0%, color-mix(in srgb,var(--accent) 10%,transparent) 0, transparent 38%),
  radial-gradient(circle at 88% 6%, color-mix(in srgb,var(--primary) 9%,transparent) 0, transparent 34%),
  #fff;
}

/* اسلایدر جمع‌وجور، داخل کانتینر و گوشه‌گرد */
.slider-wrap{padding-block:22px 6px}
.slider{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid var(--border);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.45);
  background:#0d1f1a;
}
.slide{height:clamp(200px,34vw,380px)}
.slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,25,20,.82) 0%,rgba(8,25,20,.25) 45%,transparent 75%);
}
.slide-caption{position:absolute;z-index:2;padding:22px 26px 30px;background:none;max-width:none}
.slide-caption .badge{background:color-mix(in srgb,var(--accent) 90%,#000);color:#1c1c1c;margin-bottom:8px}
.slide-caption h2{font-size:clamp(1.05rem,2.6vw,1.7rem);text-shadow:0 2px 10px rgba(0,0,0,.4)}
.slide-caption p{font-size:clamp(.8rem,1.7vw,.98rem)}
.slide-link{color:#fff}
.slider-btn{width:38px;height:38px;background:rgba(255,255,255,.9);box-shadow:0 4px 14px rgba(0,0,0,.2)}
.slider-dots{bottom:12px}

/* نوار المان‌های آموزشی */
.edu-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.edu-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px 16px;box-shadow:0 6px 18px -14px rgba(0,0,0,.5)}
.edu-chip span.ico{width:40px;height:40px;flex:none;display:grid;place-items:center;border-radius:13px;background:color-mix(in srgb,var(--primary) 10%,#fff);color:var(--primary)}
.edu-chip span.ico svg{width:21px;height:21px}
.edu-chip b{display:block;font-size:.9rem}
.edu-chip small{color:var(--muted);font-size:.76rem}

/* عنوان بخش شیک‌تر */
.section-title{font-weight:800}
.section-title::after{width:48px;height:5px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--primary) 70%,var(--accent)))}

/* پرتال */
.portal-box{border-radius:30px;position:relative;overflow:hidden}
.portal-box::before{
  content:"";position:absolute;inset-inline-end:-40px;top:-40px;width:190px;height:190px;border-radius:50%;
  background:color-mix(in srgb,var(--accent) 26%,transparent);
}

/* کارت‌ها */
.card{border-radius:22px;transition:transform .2s,box-shadow .2s}
.slogan-card{padding-block:26px}
.slogan-icon{border-radius:20px;background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 30%,#fff),color-mix(in srgb,var(--primary) 12%,#fff))}

/* اخبار */
a.news-card{color:inherit}
.news-card{overflow:hidden}
.news-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px -22px rgba(0,0,0,.55)}
.news-thumb{position:relative}
.news-thumb .count{position:absolute;inset-inline-end:10px;top:10px;background:rgba(0,0,0,.6);color:#fff;font-size:.72rem;padding:3px 9px;border-radius:99px}
.news-card img{height:100%}
.news-more{color:var(--primary);font-weight:700;font-size:.83rem;margin-top:6px}
.news-row{border-radius:22px;align-items:stretch}
.news-row:hover{transform:translateY(-3px);box-shadow:0 18px 34px -24px rgba(0,0,0,.55)}
.news-row img{width:100%;height:100%;min-height:0}
.news-row .news-body p{color:var(--muted)}

/* صفحه خبر */
.article-container{width:100%;max-width:900px;min-width:0}
.article-hero{border-radius:26px;overflow:hidden;border:1px solid var(--border);background:var(--surface);display:flex;justify-content:center}
.article-hero img{display:block;width:auto;max-width:100%;height:auto;max-height:75vh;object-fit:contain}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-block:16px 6px}
.article-body{line-height:2.1;font-size:1rem;color:#33403c;overflow-wrap:anywhere}
.article-body p{margin-block:0 1em}.article-body ul,.article-body ol{padding-inline-start:24px;margin-block:12px}.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
.gallery img{width:100%;height:clamp(220px,42vw,420px);object-fit:contain;background:var(--surface);border-radius:18px;border:1px solid var(--border)}
.article-video{position:relative;width:100%;max-width:100%;min-width:0;aspect-ratio:16/9;margin-top:28px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--media-background)}
.article-video video{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;background:var(--media-background)}
.back-link{display:inline-flex;gap:6px;align-items:center;color:var(--primary);font-weight:700;font-size:.9rem;margin-top:26px}

@media (max-width:860px){
  .edu-strip{grid-template-columns:repeat(2,1fr)}
  .news-row img{width:100%;height:100%;min-height:0}
  .gallery{grid-template-columns:1fr}
}
@media (max-width:520px){
  .slider{border-radius:20px}
  .slide{height:210px}
}

/* پنل ادمین — چیدمان دو ستونه فرم */
.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:760px){.admin-grid{grid-template-columns:1fr}}

.login-card input[type=password]{width:100%;padding:12px 14px;border:1px solid #dfe4dd;border-radius:14px;background:#fff;font-family:inherit;font-size:15px;margin-top:6px}
.login-card input[type=password]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,111,92,.12)}
.login-card form{display:grid;gap:12px}