/* ====== ORIGINAL FILE (unchanged) ====== */
*{box-sizing:border-box}
:root{
  --green:#7CFC00;
  --text:#e8eef6;
  --muted:#cbd5e1;
  --stroke:rgba(255,255,255,.08);
}

body{
  margin:0;
  font-family:Vazirmatn,sans-serif;
  background:#000;
  color:var(--text);
  overflow-x:hidden;
}

/* VIDEO */
.bg-video{
  position:fixed; top:0; left:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:-2;
}
.video-overlay{
  position:fixed; inset:0;
  background:rgba(0,0,0,.72);
  z-index:-1;
}

/* STICKY HEADER */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 6%;
  background:rgba(10,14,18,.55);
  border-bottom:1px solid var(--stroke);
  backdrop-filter: blur(10px);
}

/* push content below header */
.page{ padding-top:86px; }

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}

.logo-wrap{
  width:52px; height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  overflow:hidden;
  border: 1px solid rgba(124,252,0,.18);
  box-shadow:
    0 0 18px rgba(124,252,0,.20),
    0 0 34px rgba(124,252,0,.10),
    inset 0 0 18px rgba(124,252,0,.06);
}
.logo-plain{
  width:100%;
  height:100%;
  object-fit:contain;
  padding:6px;
  display:block;
}

.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-title{ font-weight:900; color:var(--green); letter-spacing:.2px; }
.brand-sub{ font-size:12px; color:#a6b4c8; }

.header-actions{ display:flex; align-items:center; gap:10px; }

.lang-btn{
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-weight:800;
  cursor:pointer;
  min-width:108px; /* جلوگیری از تکان‌های ریز */
}

.btn-login{
  background:var(--green);
  color:#000;
  padding:12px 18px;
  border-radius:12px;
  text-decoration:none;
  font-weight:900;
}

/* HERO */
.hero{
  text-align:center;
  padding:72px 10% 30px;
}
.badge{
  display:inline-block;
  padding:6px 14px;
  background:rgba(124,252,0,.15);
  color:var(--green);
  border-radius:999px;
  font-weight:700;
}
.hero h1{ font-size:44px; margin:18px 0 10px; }
.hero p{
  line-height:2;
  color:var(--muted);
  margin:0 auto;
  max-width:860px;
}

/* DEVICE SECTION */
.device{
  padding:28px 6% 12px;
  display:grid;
  grid-template-columns: 1fr 1.1fr;
  gap:18px;
  align-items:start;
}

.device-card{
  background: radial-gradient(circle at top, rgba(124,252,0,.10), transparent 55%), rgba(16,24,38,.70);
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:14px;
  position:relative;
  overflow:hidden;
}
.device-card img{
  width:100%;
  display:block;
  border-radius:14px;
  filter: drop-shadow(0 0 50px rgba(124,252,0,.16));
}

.device-chip{
  position:absolute;
  bottom:12px;
  left:12px;
  background:rgba(0,0,0,.55);
  border:1px solid var(--stroke);
  color:#eaf8e6;
  padding:8px 12px;
  border-radius:999px;
  font-weight:800;
  font-size:12px;
}

.device-badges{
  margin-top:10px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.mini-badge{
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  padding:10px 12px;
  border-radius:14px;
  font-weight:800;
  color:#dfe7f5;
}

.device-info{
  background:rgba(16,24,38,.55);
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:16px;
}
.device-info h2{ margin:0 0 8px; color:var(--green); }
.muted{ color:var(--muted); line-height:2; margin:0 0 12px; }

.adv-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:10px; }
.adv{
  display:flex; gap:10px; align-items:flex-start;
  padding:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  border-radius:16px;
}
.adv-ico{
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  border-radius:12px;
  background:rgba(124,252,0,.12);
  border:1px solid rgba(124,252,0,.22);
}
.adv-title{ font-weight:900; }
.adv-sub{ color:#b9c6d8; font-size:12px; line-height:1.8; margin-top:2px; }

/* BTC */
.btc{
  padding:30px 6%;
  margin:18px 0;
  background:rgba(0,0,0,.35);
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
}
.btc-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:10px;
  flex-wrap:wrap;
}
.btc h2{ color:var(--green); margin:0 0 10px; }
.btc-info strong{ font-size:22px; font-weight:900; }
.btc-info small{ color:#aebbd0; margin-inline-start:10px; }

canvas{
  background:rgba(16,24,38,.55);
  border:1px solid var(--stroke);
  border-radius:16px;
  padding:10px;
}

/* EDUCATION POSTS */
.learn{
  padding: 26px 6% 10px;
}
.learn-head{
  text-align:center;
  margin-bottom:14px;
}
.learn-head h2{
  margin:0 0 8px;
  color: var(--green);
}
.learn-sub{
  margin:0 auto;
  max-width:900px;
  color: #aebbd0;
  line-height:1.9;
}

/* ✅ متن قابل ویرایش (از پنل) */
.learn-note{
  margin:10px auto 0;
  max-width:900px;
  color:#c7d2e3;
  line-height:2;
  background:rgba(16,24,38,.40);
  border:1px solid var(--stroke);
  border-radius:16px;
  padding:12px 14px;
  text-align:inherit;
}

.learn-grid{
  margin-top:14px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
}

.learn-card{
  background: rgba(16,24,38,.55);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  overflow:hidden;
}

.learn-video{
  position:relative;
  width:100%;
  aspect-ratio: 16 / 9;
  background: rgba(0,0,0,.25);
  cursor:pointer;
}

.learn-video::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(circle at center, rgba(124,252,0,.12), transparent 55%);
  pointer-events:none;
  opacity:.9;
}

.learn-play{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#e8eef6;
  font-weight:900;
  text-align:center;
  padding:10px;
}

.learn-play .btn{
  background: var(--green);
  color:#000;
  padding:10px 12px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.learn-video iframe,
.learn-video video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}

.learn-body{ padding:12px; }
.learn-title{ font-weight:900; margin-bottom:6px; }
.learn-text{
  color:#b9c6d8;
  font-size:12px;
  line-height:1.9;
  margin-bottom:10px;
}
.learn-link{
  display:inline-flex;
  text-decoration:none;
  color:#000;
  background: var(--green);
  padding:8px 10px;
  border-radius:12px;
  font-weight:900;
}

@media(max-width:1100px){
  .learn-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media(max-width:620px){
  .learn-grid{ grid-template-columns: 1fr; }
}

/* FOOTER */
.footer{
  padding:22px 6% 26px;
  background:rgba(0,0,0,.55);
  border-top:1px solid var(--stroke);
}
.footer-inner{ display:flex; flex-direction:column; gap:12px; }
.footer-brand{ color:#aebbd0; font-size:13px; text-align:center; }

.trust-logos{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
  align-items:center;
}

.trust-item{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:76px;
  height:44px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  border-radius:12px;
  padding:6px;
  transition: transform .15s ease;
  text-decoration:none;
}
.trust-item:hover{ transform: translateY(-1px); }

.trust-item img{
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  filter: drop-shadow(0 0 10px rgba(0,0,0,.35));
}

.footer-note{
  text-align:center;
  color:#aebbd0;
  font-size:12px;
  line-height:1.9;
}

/* RESPONSIVE */
@media(max-width:980px){
  .device{ grid-template-columns:1fr; }
  .adv-grid{ grid-template-columns:1fr; }
  .hero h1{ font-size:34px; }
}

.learn-play{ position:absolute; inset:0; z-index:2; }

/* learn note (text from admin) */
.learn-note{
  margin: 10px auto 0;
  max-width: 980px;
  text-align: center;
  color: #c7d2e3;
  line-height: 1.9;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(16,24,38,.35);
  border: 1px solid var(--stroke);
}

/* thumb overlay */
.learn-video{ position:relative; overflow:hidden; }
.learn-thumb{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter: brightness(.85);
}