/* ===== SIM900 THEME (مشترک همه صفحات) ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f4f7fb;--surface:#fff;--ink:#10203a;--muted:#61708b;--line:#e2e8f4;
  --blue:#1e6fd9;--blue-2:#0e9ae0;--navy:#0d2b57;--navy-2:#123c7c;
  --gold:#c9a227;--gold-2:#e6c14a;--gold-deep:#a8851c;
  --green:#0fa05a;--red:#e5484d;--amber:#f59e0b;
  --shadow:0 10px 30px rgba(23,55,110,.10);--shadow-lg:0 20px 50px rgba(23,55,110,.16);
  --r:16px;--r-lg:22px;
}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',Tahoma,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;overflow-x:hidden}
img,svg{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
a{text-decoration:none;color:inherit}
.ltr{direction:ltr}

/* ناوبری */
.nav{position:fixed;top:0;right:0;left:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:var(--shadow)}
.nav-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{font-size:22px;font-weight:900;color:var(--navy);direction:ltr}
.brand span{color:var(--gold)}
.nav-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav-btn{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:100px;color:var(--muted);font-size:12px;font-weight:700;transition:.25s}
.nav-btn:hover{border-color:var(--blue);color:var(--blue);background:#f0f7ff}
.nav-btn.active{border-color:var(--blue);color:var(--blue);background:#f0f7ff}
.nav-btn.admin{border-color:rgba(201,162,39,.4);color:var(--gold-deep);background:rgba(201,162,39,.06)}

/* سربرگ بخش‌ها */
.section{max-width:1280px;margin:60px auto 0;padding:0 24px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.section-label{color:var(--gold-deep);font-size:10px;letter-spacing:3px;font-weight:800;direction:ltr;text-align:right}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:900;color:var(--navy);margin-top:4px}
.section-subtitle{color:var(--muted);font-size:12px;margin-top:4px}
.viewall{color:var(--blue);font-size:12px;font-weight:800;padding:9px 18px;border:1px solid rgba(30,111,217,.3);border-radius:100px;background:#f0f7ff}
.viewall:hover{background:var(--blue);color:#fff}

/* دکمه‌ها */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border:0;border-radius:12px;font-size:14px;font-weight:800;transition:.25s;cursor:pointer}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold) 60%,var(--gold-deep));color:#241c02;box-shadow:0 6px 14px rgba(201,162,39,.35)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-blue{background:linear-gradient(135deg,var(--blue),var(--navy-2));color:#fff;box-shadow:0 6px 16px rgba(30,111,217,.3)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--muted)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

/* جستجو + فیلتر */
.search-frame{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
.search-row{display:flex;gap:10px}
.search-input-wrap{flex:1;position:relative}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.search-input{width:100%;padding:13px 18px 13px 44px;border:2px solid var(--line);border-radius:12px;font-size:14px;font-family:inherit;background:#fbfdff}
.search-input:focus{outline:none;border-color:var(--blue)}
.search-submit{display:flex;align-items:center;gap:8px;padding:13px 26px;background:linear-gradient(135deg,var(--blue),var(--navy-2));color:#fff;border:0;border-radius:12px;font-size:14px;font-weight:800}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.filter{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1px solid var(--line);background:#fff;border-radius:100px;font-size:12px;font-weight:700;color:var(--muted);transition:.25s;cursor:pointer}
.filter:hover{border-color:var(--blue);color:var(--blue)}
.filter.active{background:linear-gradient(135deg,var(--blue),var(--blue-2));border-color:transparent;color:#fff}

/* کارت محصول (شماره) */
#products,.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;position:relative;transition:.3s;display:flex;flex-direction:column;gap:12px;cursor:pointer}
.product:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(30,111,217,.35)}
.product.ad-highlight{border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(201,162,39,.15),var(--shadow-lg)}
.product-hot{position:absolute;top:14px;left:14px;background:linear-gradient(135deg,#ff6b6b,var(--red));color:#fff;font-size:10px;font-weight:900;padding:5px 12px;border-radius:100px;z-index:2}
.product-status{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:6px;font-size:10px;font-weight:800;padding:5px 12px;border-radius:100px;z-index:2}
.status-mini-dot{width:6px;height:6px;border-radius:50%}
.product-status.available{background:#e7f8ef;color:var(--green)}.product-status.available .status-mini-dot{background:var(--green)}
.product-status.reserved{background:#fdf8ea;color:var(--amber)}.product-status.reserved .status-mini-dot{background:var(--amber)}
.product-status.sold,.product-status.unavailable{background:#fdeeef;color:var(--red)}.product-status.sold .status-mini-dot,.product-status.unavailable .status-mini-dot{background:var(--red)}
.product-top{display:flex;justify-content:space-between;align-items:center;margin-top:26px}
.product-type{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:900;color:var(--navy)}
.product-tag{font-size:10px;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:4px 10px;border-radius:100px}
.product-number{direction:ltr;text-align:center;font-family:'Courier New',monospace;font-size:28px;font-weight:800;letter-spacing:2px;color:var(--navy)}
.product-highlighted{direction:ltr;text-align:center;font-family:'Courier New',monospace;font-size:14px;color:var(--muted)}
.product-highlighted b,.product-highlighted .hl-char.hl-highlighted{color:var(--gold-deep);background:rgba(201,162,39,.12);border-radius:4px;padding:0 2px;font-weight:800}
.product-highlighted .hl-separator{color:var(--line)}
.product-pattern-desc{text-align:center;font-size:11px;color:var(--muted)}
.gifts-section{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 8px}
.gift{text-align:center}
.gift-icon{font-size:15px}
.gift-value{font-size:11px;font-weight:800;margin-top:2px}
.gift-label{font-size:9px;color:var(--muted)}
.patterns-list{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.pattern-chip{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:700;color:var(--navy-2);background:#eef5ff;border:1px solid rgba(30,111,217,.2);padding:5px 10px;border-radius:100px}
.product-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
.product-price .label{font-size:9px;letter-spacing:2px;color:var(--muted);display:block}
.product-price{font-size:19px;font-weight:900;color:var(--navy)}
.product-price .unit{font-size:10px;color:var(--muted);font-weight:400}
.product-buy{display:inline-flex;align-items:center;gap:7px;padding:11px 22px;border:0;border-radius:100px;background:linear-gradient(135deg,var(--gold-2),var(--gold) 60%,var(--gold-deep));color:#241c02;font-size:12px;font-weight:900;box-shadow:0 6px 14px rgba(201,162,39,.35)}
.product-buy:disabled{background:var(--line);color:var(--muted);box-shadow:none;cursor:not-allowed}

/* مودم */
.modem-scroll,.modem-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.modem-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.modem-card:hover{border-color:rgba(30,111,217,.4);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.modem-img{position:relative;height:130px;display:flex;align-items:center;justify-content:center;font-size:50px;background:linear-gradient(160deg,#f2f7ff,#e8f0fb);border-bottom:1px solid var(--line);overflow:hidden}
.modem-img img{width:100%;height:100%;object-fit:cover}
.modem-tech{position:absolute;top:8px;right:8px;background:linear-gradient(135deg,var(--blue),var(--navy-2));color:#fff;font-size:9px;font-weight:900;padding:3px 9px;border-radius:5px}
.modem-unlocked{position:absolute;top:8px;left:8px;background:#e7f8ef;color:var(--green);border:1px solid rgba(15,160,90,.4);font-size:9px;font-weight:800;padding:3px 9px;border-radius:100px}
.modem-body{padding:14px;display:flex;flex-direction:column;flex:1}
.modem-brand{color:var(--muted);font-size:10px;font-weight:700;margin-bottom:4px}
.modem-name{font-size:12px;font-weight:800;line-height:1.6;min-height:38px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.modem-price-row{display:flex;justify-content:space-between;align-items:flex-end;margin-top:auto;gap:8px}
.modem-price{color:var(--navy);font-size:16px;font-weight:900;direction:ltr;text-align:right}
.modem-unit{color:var(--muted);font-size:9px}
.modem-discount{background:var(--red);color:#fff;font-size:10px;font-weight:900;padding:3px 9px;border-radius:100px}
.modem-old-price{color:var(--muted);font-size:10px;text-decoration:line-through;direction:ltr;text-align:right;margin-top:3px}
.modem-cats{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;scrollbar-width:none}
.modem-cats::-webkit-scrollbar{display:none}
.modem-cat-chip{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;padding:8px 16px;border:1px solid var(--line);border-radius:100px;background:#fff;color:var(--muted);font-size:12px;font-weight:700}
.modem-cat-chip:hover,.modem-cat-chip.active{border-color:var(--blue);color:var(--blue);background:#f0f7ff}

/* بلاگ */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.blog-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.blog-card:hover{border-color:rgba(30,111,217,.4);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.blog-card-img{height:140px;background:linear-gradient(135deg,#eef5ff,#fdf8ea);display:flex;align-items:center;justify-content:center;font-size:52px;position:relative}
.blog-card-cat{position:absolute;top:10px;right:10px;background:#fff;color:var(--navy);font-size:10px;font-weight:800;padding:4px 12px;border-radius:100px;border:1px solid var(--line)}
.blog-card-body{padding:16px;display:flex;flex-direction:column;flex:1}
.blog-card-title{font-size:14px;font-weight:800;line-height:1.7;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.blog-card-excerpt{color:var(--muted);font-size:11px;line-height:1.9;margin-bottom:12px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;padding-top:10px;border-top:1px solid var(--line)}

/* صفحه‌بندی */
.pagination{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:36px;flex-wrap:wrap}
.page-btn{min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:14px;font-weight:800;color:var(--muted)}
.page-btn:hover{border-color:var(--blue);color:var(--blue)}
.page-btn.active{background:linear-gradient(135deg,var(--blue),var(--navy-2));border-color:transparent;color:#fff}

/* آدرس + فوتر + نوار پایین */
.address{max-width:700px;margin:80px auto 0;padding:36px 24px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.address-label{color:var(--gold-deep);font-size:10px;letter-spacing:3px;font-weight:800;direction:ltr}
.address h3{font-size:22px;font-weight:900;color:var(--navy);margin:10px 0 6px}
.address p{color:var(--muted);font-size:13px}
.address-phone{display:inline-block;direction:ltr;margin-top:16px;color:var(--blue);font-family:'Courier New',monospace;font-size:22px;font-weight:800;padding:13px 30px;border:2px solid var(--blue);border-radius:100px;background:#f0f7ff}
.address-phone:hover{background:var(--blue);color:#fff}
footer{margin-top:80px;background:linear-gradient(180deg,var(--navy),#0a1f40);color:#cfd9ea;padding:50px 24px 26px;text-align:center}
.footer-logo{font-size:26px;font-weight:900;color:#fff;direction:ltr}
.footer-logo span{color:var(--gold-2)}
.footer-desc{font-size:12px;margin-top:10px;line-height:2}
.seo-strip{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:22px;padding:16px 10px;border-top:1px solid var(--line)}
.seo-tag{color:var(--muted);font-size:10px;padding:4px 12px;border:1px solid var(--line);border-radius:100px;background:#fff}
.bottom-bar{display:none;position:fixed;bottom:0;right:0;left:0;z-index:999;background:#fff;border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));grid-template-columns:repeat(6,1fr)}
.bottom-item{display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:0;color:var(--muted);font-size:9px;font-weight:700}
.bottom-item span:first-child{font-size:17px}
.bottom-item.active{color:var(--blue)}

/* مودال + فرم + توست */
.modal{display:none;position:fixed;inset:0;z-index:10000;background:rgba(13,43,87,.45);backdrop-filter:blur(6px);align-items:center;justify-content:center;padding:20px}
.modal.open,.modal.active{display:flex}
.modal-box{background:#fff;border-radius:var(--r-lg);max-width:560px;width:100%;max-height:90vh;overflow-y:auto;padding:26px;box-shadow:var(--shadow-lg)}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-title{font-size:17px;font-weight:900;color:var(--navy)}
.modal-close{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:50%;color:var(--muted);font-size:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:11px;font-weight:800;color:var(--navy);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:13px;background:#fbfdff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--blue)}
.form button[type=submit]{width:100%;padding:14px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));color:#241c02;font-size:14px;font-weight:900}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(80px);z-index:10001;background:var(--navy);color:#fff;padding:12px 24px;border-radius:100px;font-size:13px;font-weight:700;display:flex;gap:8px;align-items:center;opacity:0;transition:.35s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast-icon{color:#3ddc84}

/* انیمیشن ورود */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ریسپانسیو */
@media(max-width:1100px){#products,.product-grid{grid-template-columns:repeat(2,1fr)}.modem-scroll,.modem-grid{grid-template-columns:repeat(3,1fr)}.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.nav-btn-text{display:none}.modem-scroll,.modem-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){#products,.product-grid,.blog-grid{grid-template-columns:1fr}.search-row,.form-row{flex-direction:column;grid-template-columns:1fr}.bottom-bar{display:grid}footer{padding-bottom:90px}}