@font-face{font-family:'Vazirmatn';src:url('assets/fonts/Vazirmatn-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Vazirmatn';src:url('assets/fonts/Vazirmatn-Medium.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Vazirmatn';src:url('assets/fonts/Vazirmatn-Bold.woff2') format('woff2');font-weight:700;font-display:swap}

:root,html[data-theme="dark"]{
  --bg:#070b14;--bg2:#0c1220;--card:#121a2b;--card2:#182234;
  --line:rgba(255,255,255,.08);--text:#e8eef7;--muted:#8b9bb4;
  --primary:#3b82f6;--primary2:#2563eb;--accent:#22d3ee;--ok:#10b981;--warn:#f59e0b;--danger:#ef4444;
  --radius:14px;--shadow:0 20px 50px rgba(0,0,0,.35);
  --nav-bg:rgba(7,11,20,.9);--hero-overlay:linear-gradient(105deg,rgba(8,13,24,.92),rgba(8,13,24,.55));
  --input-bg:#0c1220;--footer-bg:#0c1220;
}
html[data-theme="light"]{
  --bg:#f4f7fb;--bg2:#ffffff;--card:#ffffff;--card2:#f8fafc;
  --line:rgba(15,23,42,.1);--text:#0f172a;--muted:#64748b;
  --primary:#2563eb;--primary2:#1d4ed8;--accent:#0891b2;--ok:#059669;--warn:#d97706;--danger:#dc2626;
  --shadow:0 16px 40px rgba(15,23,42,.08);
  --nav-bg:rgba(255,255,255,.92);--hero-overlay:linear-gradient(105deg,rgba(255,255,255,.88),rgba(255,255,255,.35));
  --input-bg:#fff;--footer-bg:#eef2f7;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;transition:background .25s,color .25s}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}

.site-nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 5%;background:var(--nav-bg);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);font-size:1.15rem}
.brand img{width:34px;height:34px}
.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-links a{color:var(--muted);padding:8px 12px;border-radius:9px;font-size:13px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(59,130,246,.1)}
.nav-links .btn-nav{background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff!important;font-weight:600;padding:8px 16px}
.nav-links .btn-ghost{border:1px solid rgba(59,130,246,.35);color:var(--primary)!important}
.cart-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.3);color:var(--primary);padding:7px 12px;border-radius:9px;font-size:13px}
.cart-chip b{background:var(--primary);color:#fff;border-radius:999px;min-width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;padding:0 5px}
.theme-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:16px;display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.theme-btn:hover{border-color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.35rem;cursor:pointer}
@media(max-width:860px){
  /* drawer styles defined below — keep toggle visible */
  .menu-toggle{display:inline-flex}
}

.container{width:min(1120px,92%);margin:0 auto}
.page-pad{padding:36px 0 64px}
.page-title{font-size:clamp(1.5rem,3vw,2rem);color:var(--text);margin-bottom:8px;font-weight:700}
.page-sub{color:var(--muted);font-size:14px;margin-bottom:28px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:11px;border:none;cursor:pointer;font-weight:600;font-size:14px;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),#6366f1);color:#fff}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-outline:hover{background:rgba(59,130,246,.08);border-color:rgba(59,130,246,.3)}
.btn-ok{background:var(--ok);color:#fff}
.btn-block{width:100%}
.btn-sm{padding:8px 12px;font-size:12px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 1px 0 rgba(255,255,255,.02)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}}
@media(max-width:560px){.grid-3{grid-template-columns:1fr}}

.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);
  background:var(--input-bg);color:var(--text);font-size:14px
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.15)}

.site-footer{border-top:1px solid var(--line);padding:40px 5% 28px;margin-top:40px;background:var(--footer-bg)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;max-width:1120px;margin:0 auto 28px}
.footer-grid h4{color:var(--text);font-size:14px;margin-bottom:12px}
.footer-grid p,.footer-grid a{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.footer-grid a:hover{color:var(--primary)}
.footer-bottom{max-width:1120px;margin:0 auto;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:12px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(90px);background:var(--ok);color:#fff;padding:12px 20px;border-radius:12px;font-size:13px;opacity:0;transition:.3s;z-index:200;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600}
.badge-blue{background:rgba(59,130,246,.15);color:var(--primary)}
.badge-green{background:rgba(16,185,129,.15);color:var(--ok)}
.badge-amber{background:rgba(245,158,11,.15);color:var(--warn)}

.steps{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap}
.step{flex:1;min-width:100px;text-align:center;padding:10px;border-radius:10px;background:var(--card);border:1px solid var(--line);font-size:12px;color:var(--muted)}
.step.on{border-color:rgba(59,130,246,.5);color:var(--primary);background:rgba(59,130,246,.08)}
.step.done{border-color:rgba(16,185,129,.4);color:var(--ok)}

/* Customer panel shell */
.cust-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 5%;background:var(--nav-bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}
.cust-top strong{color:var(--text)}
.cust-top nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.cust-top nav a{color:var(--muted);padding:6px 10px;border-radius:8px;font-size:13px}
.cust-top nav a:hover,.cust-top nav a.active{color:var(--primary);background:rgba(59,130,246,.08)}
.cust-wrap{max-width:960px;margin:0 auto;padding:28px 5% 48px}

/* Blog article prose */
.prose{color:var(--text);font-size:16px;line-height:1.9}
.prose p{margin-bottom:16px;color:var(--muted)}
html[data-theme="light"] .prose p{color:#334155}
.prose h2,.prose h3{color:var(--text);margin:28px 0 12px;line-height:1.35}
.prose h2{font-size:1.35rem}.prose h3{font-size:1.15rem}
.prose img.inline-img{width:100%;border-radius:14px;margin:18px 0;border:1px solid var(--line)}
.prose .img-caption{text-align:center;font-size:12px;color:var(--muted);margin-top:-10px;margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 16px 18px;color:var(--muted)}
.prose blockquote{border-right:3px solid var(--primary);padding:10px 16px;margin:18px 0;background:rgba(59,130,246,.06);border-radius:0 10px 10px 0;color:var(--text)}
/* ===== Mobile slide-in drawer nav ===== */
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:90;
  opacity:0;transition:opacity .25s;
}
.nav-backdrop.show{display:block;opacity:1}
@media(max-width:860px){
  .site-nav{padding:10px 4%;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-size:1.2rem}
  .nav-links{
    display:flex!important;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;top:0;right:0;
    width:min(320px,88vw);
    height:100vh;height:100dvh;
    max-height:100vh;max-height:100dvh;
    background:var(--bg2);border-left:1px solid var(--line);
    padding:max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
    padding-top:calc(56px + env(safe-area-inset-top, 0px));
    margin:0;box-sizing:border-box;
    transform:translateX(105%);transition:transform .28s cubic-bezier(.2,.8,.2,1);
    z-index:120;box-shadow:var(--shadow);
    overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a,.nav-links .btn-nav,.nav-links .btn-ghost,.nav-links .cart-chip,.nav-links .theme-btn{
    width:100%;text-align:right;justify-content:flex-start;padding:14px 14px;border-radius:12px;font-size:14px;min-height:48px;
    flex:0 0 auto;
  }
  .nav-links .theme-btn{width:100%;height:auto}
  .nav-drawer-close{
    position:fixed;top:max(12px, env(safe-area-inset-top));left:max(12px, calc(100vw - min(320px,88vw) + 12px));
    /* fallback absolute inside drawer */
    position:absolute;top:max(12px, env(safe-area-inset-top));left:12px;
    width:42px;height:42px;border-radius:10px;z-index:2;
    border:1px solid var(--line);background:var(--card);color:var(--text);font-size:1.1rem;cursor:pointer;
  }
  .nav-drawer-title{
    position:absolute;top:max(18px, calc(env(safe-area-inset-top) + 14px));right:16px;
    font-weight:700;font-size:15px;color:var(--text);z-index:2
  }
  .nav-backdrop{z-index:110}
}
@media(min-width:861px){
  .nav-backdrop{display:none!important}
  .nav-drawer-close,.nav-drawer-title{display:none}
}

/* Customer mobile */
@media(max-width:700px){
  .cust-top{flex-wrap:wrap;padding:10px 3%;gap:8px}
  .cust-top nav{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:4px;gap:2px}
  .cust-top nav a,.cust-top nav .theme-btn{flex:0 0 auto;white-space:nowrap;padding:10px 12px;font-size:13px;min-height:40px}
  .cust-wrap{padding:20px 4% 40px}
  .page-title{font-size:1.25rem!important}
  .grid{grid-template-columns:1fr 1fr!important;gap:10px!important}
}
@media(max-width:400px){
  .cust-wrap .grid{grid-template-columns:1fr!important}
}

/* Home / general mobile */
@media(max-width:700px){
  .hero{min-height:auto!important;padding:48px 4% 36px!important}
  .hero h1{font-size:1.55rem!important}
  .hero p{font-size:14px!important}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-stats{gap:16px}
  .section{padding:40px 4%!important}
  .gallery{grid-template-columns:1fr!important;gap:12px}
  .how{grid-template-columns:1fr 1fr!important}
  .cta-band{margin:0 3% 16px!important;padding:32px 18px!important}
  .cta-band .btn{display:flex;width:100%;margin:6px 0!important;justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr!important;gap:16px}
  .page-pad{padding:24px 0 48px}
  .container{width:min(1120px,94%)}
  .btn{min-height:44px;padding:12px 16px}
  .field input,.field select,.field textarea{font-size:16px!important;min-height:44px} /* prevent iOS zoom */
  .card{padding:16px}
  .steps{gap:6px}
  .step{font-size:11px;padding:8px 4px;min-width:0}
}

/* Touch-friendly product cards */
@media(max-width:560px){
  .product .media{height:140px}
  .layout{grid-template-columns:1fr!important}
  .line{flex-wrap:wrap}
  .line img{width:56px;height:56px}
}