/* ===========================================================
   MasihGPT — AI Platform Design System
   Modern • Minimal • Luxury • RTL • Mobile-First
   =========================================================== */

@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn-Regular.woff2)format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn-Medium.woff2)format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn-Bold.woff2)format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn-ExtraBold.woff2)format("woff2");font-weight:800;font-display:swap}

:root{
  --blue:#3d7bff; --blue-2:#57a5ff; --violet:#8b5cf6; --violet-2:#b98cff;
  --cyan:#22d3ee; --pink:#ff5c8a; --amber:#ffb020; --green:#00d4a0;
  --grad:linear-gradient(135deg,#3d7bff 0%,#8b5cf6 55%,#22d3ee 100%);
  --grad-soft:linear-gradient(135deg,rgba(61,123,255,.16),rgba(139,92,246,.16));
  --radius:22px; --radius-sm:14px; --radius-lg:30px;
  --container:1240px;
  --t:cubic-bezier(.22,1,.36,1);
  --shadow-1:0 2px 10px rgba(2,6,23,.06);
  --shadow-2:0 18px 50px -18px rgba(2,6,23,.22);
  --shadow-glow:0 20px 60px -20px rgba(61,123,255,.55);
  --header-h:72px;
}
html[data-theme=dark]{
  --bg:#07080f; --bg-2:#0b0d18; --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07); --border:rgba(255,255,255,.10);
  --border-2:rgba(255,255,255,.18);
  --text:#eef1f7; --muted:#98a2b8; --heading:#fff;
  --shadow-2:0 22px 60px -22px rgba(0,0,0,.85);
  --glass:rgba(255,255,255,.05);
  color-scheme:dark;
}
html[data-theme=light]{
  --bg:#f7f8fc; --bg-2:#ffffff; --surface:rgba(255,255,255,.85);
  --surface-2:#ffffff; --border:rgba(15,23,42,.09); --border-2:rgba(15,23,42,.16);
  --text:#28304a; --muted:#66708c; --heading:#0d1330;
  --glass:rgba(255,255,255,.72);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  font-family:Vazirmatn,system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;
  background:var(--bg); color:var(--text); line-height:2;
  font-size:15.5px; overflow-x:hidden; direction:rtl;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  transition:background .4s var(--t),color .4s var(--t);
}
/* ambient background */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(61,123,255,.20),transparent 62%),
    radial-gradient(760px 480px at 12% 6%,rgba(139,92,246,.17),transparent 62%),
    radial-gradient(700px 520px at 50% 108%,rgba(34,211,238,.10),transparent 62%);
}
html[data-theme=light] body::before{opacity:.55}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 50% 22%,#000,transparent 72%);
}

img,video,svg{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{color:var(--heading);font-weight:800;line-height:1.55;letter-spacing:-.2px}
::selection{background:rgba(139,92,246,.35);color:#fff}
:focus-visible{outline:2.5px solid var(--blue-2);outline-offset:3px;border-radius:8px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--blue)}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:18px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:-100px;right:16px;z-index:9999;background:var(--blue);color:#fff;padding:10px 18px;border-radius:0 0 12px 12px;transition:top .25s}
.skip-link:focus{top:0}

/* ---------- buttons ---------- */
.btn{
  --bh:48px;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:var(--bh);padding:0 24px;border:1px solid transparent;border-radius:999px;
  font-weight:700;font-size:14.5px;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .3s var(--t),box-shadow .3s var(--t),background .3s,color .3s,border-color .3s;
  white-space:nowrap;background:transparent;
}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn-primary{background:var(--grad);color:#fff;background-size:180% 180%;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background-position:100% 0;box-shadow:0 24px 70px -18px rgba(139,92,246,.7)}
.btn-ghost{border-color:var(--border-2);background:var(--surface);color:var(--heading);backdrop-filter:blur(14px)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-2);background:var(--surface-2)}
.btn-sm{--bh:40px;padding:0 18px;font-size:13.5px}
.btn-lg{--bh:56px;padding:0 34px;font-size:16px}
.btn-block{width:100%}
.btn-tg{background:linear-gradient(135deg,#229ED9,#0f8ac7);color:#fff;box-shadow:0 18px 50px -18px rgba(34,158,217,.75)}

/* ---------- cards / glass ---------- */
.glass{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-2);
}
.card{
  position:relative;background:var(--glass);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;backdrop-filter:blur(16px);
  transition:transform .45s var(--t),border-color .45s,box-shadow .45s;
  display:flex;flex-direction:column;height:100%;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:linear-gradient(135deg,rgba(61,123,255,.12),transparent 45%,rgba(139,92,246,.12));
  transition:opacity .45s;
}
.card:hover{transform:translateY(-7px);border-color:var(--border-2);box-shadow:0 30px 70px -30px rgba(61,123,255,.45)}
.card:hover::after{opacity:1}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:800;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.95}
.card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--border)}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-soft)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--t)}
.card:hover .thumb img{transform:scale(1.07)}
.thumb-ph{width:100%;height:100%;display:grid;place-items:center;background:var(--grad-soft)}
.thumb-ph svg{width:44px;height:44px;opacity:.4}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:700;background:var(--surface-2);border:1px solid var(--border);color:var(--muted);
}
.badge-grad{background:var(--grad);color:#fff;border-color:transparent}
.badge-free{background:rgba(0,212,160,.14);color:#00d4a0;border-color:rgba(0,212,160,.3)}
.badge-paid{background:rgba(255,176,32,.14);color:#ffb020;border-color:rgba(255,176,32,.3)}
.badge-abs{position:absolute;top:12px;inset-inline-end:12px;z-index:2;backdrop-filter:blur(10px)}

/* ---------- sections ---------- */
.section{padding:70px 0;position:relative}
.section-head{text-align:center;max-width:660px;margin:0 auto 40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);font-size:12.5px;font-weight:700;color:var(--blue-2);margin-bottom:14px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:99px;background:var(--grad);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.7)}}
.section-title{font-size:clamp(23px,4.6vw,38px);font-weight:800;margin-bottom:10px}
.section-sub{color:var(--muted);font-size:15px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}

.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(265px,1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:100;height:var(--header-h);display:flex;align-items:center;
  transition:background .35s,box-shadow .35s,border-color .35s;border-bottom:1px solid transparent;
}
.header.scrolled{
  background:var(--glass);backdrop-filter:blur(22px) saturate(160%);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  border-bottom-color:var(--border);box-shadow:0 8px 30px -18px rgba(2,6,23,.5);
}
.header .container{display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--heading);flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;
  color:#fff;font-size:15px;font-weight:800;box-shadow:var(--shadow-glow);position:relative;overflow:hidden;flex:none;
}
.logo-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.45),transparent 60%);transform:translateX(-100%);animation:sweep 4.5s infinite}
@keyframes sweep{0%,60%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.logo img{height:38px;width:auto;border-radius:10px}
.logo small{display:block;font-size:10.5px;color:var(--muted);font-weight:500;line-height:1}

.nav{display:none;margin-inline-start:auto;gap:2px;align-items:center}
@media(min-width:1024px){.nav{display:flex}}
.nav a{
  padding:9px 14px;border-radius:12px;font-size:14px;font-weight:600;color:var(--muted);
  transition:color .25s,background .25s;position:relative;
}
.nav a::after{content:"";position:absolute;bottom:4px;right:50%;transform:translateX(50%);width:0;height:2px;background:var(--grad);border-radius:2px;transition:width .3s var(--t)}
.nav a:hover,.nav a.active{color:var(--heading);background:var(--surface)}
.nav a:hover::after,.nav a.active::after{width:20px}

.head-actions{display:flex;align-items:center;gap:8px;margin-inline-start:auto}
@media(min-width:1024px){.head-actions{margin-inline-start:0}}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--surface);border:1px solid var(--border);cursor:pointer;color:var(--muted);
  transition:color .25s,border-color .25s,transform .25s,background .25s;
}
.icon-btn:hover{color:var(--blue-2);border-color:var(--blue);transform:translateY(-2px)}
.icon-btn svg{width:19px;height:19px}
.head-cta{display:none}
@media(min-width:640px){.head-cta{display:inline-flex}}
.burger{display:grid}
@media(min-width:1024px){.burger{display:none}}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;
}
.drawer.open{visibility:visible;pointer-events:auto}
.drawer-bg{position:absolute;inset:0;background:rgba(2,6,23,.62);backdrop-filter:blur(6px);opacity:0;transition:opacity .35s}
.drawer.open .drawer-bg{opacity:1}
.drawer-panel{
  position:absolute;inset-block:0;inset-inline-end:0;width:min(320px,86vw);
  background:var(--bg-2);border-inline-start:1px solid var(--border);
  transform:translateX(-100%);transition:transform .42s var(--t);
  display:flex;flex-direction:column;padding:18px;gap:6px;overflow-y:auto;
}
html[dir=rtl] .drawer-panel{transform:translateX(-100%)}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel a{padding:13px 14px;border-radius:14px;font-weight:600;color:var(--text);transition:background .25s,color .25s}
.drawer-panel a:hover{background:var(--surface);color:var(--blue-2)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}

/* ---------- hero ---------- */
.hero{position:relative;padding:44px 0 60px;overflow:hidden}
.hero-grid{display:grid;gap:34px;align-items:center}
@media(min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:44px}}
.hero h1{font-size:clamp(28px,6.4vw,54px);line-height:1.45;margin:14px 0 16px;font-weight:800}
.hero p.lead{font-size:clamp(14.5px,2.4vw,17.5px);color:var(--muted);line-height:2.1;max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:0 40px 100px -40px rgba(61,123,255,.6);aspect-ratio:4/3}
.hero-visual img,.hero-visual video{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 45%,rgba(7,8,15,.55))}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;z-index:-1}
.orb-1{width:340px;height:340px;background:var(--blue);top:-90px;inset-inline-end:-70px;animation:float 15s ease-in-out infinite}
.orb-2{width:300px;height:300px;background:var(--violet);bottom:-110px;inset-inline-start:-60px;animation:float 18s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,26px)}}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--border)}
.hero-stats b{display:block;font-size:clamp(17px,3.6vw,26px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:11.5px;color:var(--muted)}

/* typing cursor */
.type-cursor{display:inline-block;width:3px;height:.95em;background:var(--blue-2);vertical-align:-2px;margin-inline-start:3px;animation:blink 1s steps(2) infinite;border-radius:2px}
@keyframes blink{50%{opacity:0}}

/* ---------- slider ---------- */
.slider{position:relative}
.slider-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-block:6px 12px;scrollbar-width:none;-ms-overflow-style:none;
  scroll-behavior:smooth;
}
.slider-track::-webkit-scrollbar{display:none}
.slider-track>*{scroll-snap-align:start;flex:0 0 min(320px,84vw)}
.slider-track.wide>*{flex:0 0 min(400px,88vw)}
.slider-track.narrow>*{flex:0 0 min(250px,70vw)}
.slider-nav{display:flex;gap:8px;justify-content:flex-start;margin-top:16px}
.slider-nav button{
  width:42px;height:42px;border-radius:14px;background:var(--surface);border:1px solid var(--border);
  display:grid;place-items:center;cursor:pointer;color:var(--muted);transition:all .3s var(--t);
}
.slider-nav button:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-2px)}
.slider-nav button svg{width:18px;height:18px}
.slider-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.slider-head .section-head{text-align:start;margin:0;max-width:560px}

/* ---------- service card ---------- */
.svc{padding:24px 20px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);transition:all .45s var(--t);position:relative;overflow:hidden;height:100%}
.svc::before{content:"";position:absolute;inset-block-start:0;inset-inline:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--t)}
.svc:hover{transform:translateY(-8px);border-color:var(--border-2);box-shadow:0 30px 70px -32px rgba(139,92,246,.55)}
.svc:hover::before{transform:scaleX(1)}
.svc-ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:16px;background:var(--grad-soft);border:1px solid var(--border);transition:transform .5s var(--t)}
.svc:hover .svc-ico{transform:rotate(-8deg) scale(1.08)}
.svc-ico svg{width:25px;height:25px}
.svc h3{font-size:16.5px;margin-bottom:8px}
.svc p{color:var(--muted);font-size:13.8px;line-height:1.95}

/* ---------- price ---------- */
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price b{font-size:19px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.price del{color:var(--muted);font-size:13px;opacity:.7}
.price i{font-style:normal;font-size:12px;color:var(--muted)}
.off{background:var(--pink);color:#fff;font-size:11px;padding:2px 8px;border-radius:8px;font-weight:700}

/* ---------- prose (article content) ---------- */
.prose{font-size:16px;line-height:2.25;color:var(--text)}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:22px;margin-top:1.8em;padding-inline-start:14px;border-inline-start:4px solid transparent;border-image:var(--grad) 1}
.prose h3{font-size:18.5px;margin-top:1.5em}
.prose p{color:var(--text);opacity:.92}
.prose a{color:var(--blue-2);text-decoration:underline;text-underline-offset:4px}
.prose ul,.prose ol{padding-inline-start:6px}
.prose ul li,.prose ol li{position:relative;padding-inline-start:24px;margin-bottom:8px}
.prose ul li::before{content:"";position:absolute;inset-inline-start:4px;top:.85em;width:8px;height:8px;border-radius:99px;background:var(--grad)}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;inset-inline-start:0;top:.35em;width:22px;height:22px;border-radius:8px;background:var(--grad);color:#fff;font-size:11.5px;display:grid;place-items:center;font-weight:700}
.prose img{border-radius:var(--radius-sm);margin-inline:auto;border:1px solid var(--border)}
.prose blockquote{
  padding:16px 20px;border-radius:var(--radius-sm);background:var(--grad-soft);
  border-inline-start:4px solid var(--violet);font-weight:600;color:var(--heading);
}
.prose pre{
  background:#0a0d1a;color:#dbe4ff;padding:18px;border-radius:var(--radius-sm);overflow-x:auto;
  direction:ltr;text-align:left;font-size:13.5px;line-height:1.85;border:1px solid var(--border);
  font-family:"SF Mono",Menlo,Consolas,monospace;position:relative;
}
.prose code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:.9em;direction:ltr;display:inline-block;font-family:"SF Mono",Menlo,Consolas,monospace}
.prose pre code{background:none;padding:0}
.prose table{width:100%;border-collapse:collapse;font-size:14px;overflow:hidden;border-radius:var(--radius-sm);border:1px solid var(--border)}
.prose th,.prose td{padding:11px 13px;border-bottom:1px solid var(--border);text-align:start}
.prose th{background:var(--surface-2);font-weight:700;color:var(--heading)}
.prose iframe,.prose video{width:100%;aspect-ratio:16/9;border-radius:var(--radius-sm);border:1px solid var(--border)}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:15px}
.field label{font-size:13.5px;font-weight:700;color:var(--heading)}
.field label .req{color:var(--pink)}
.field .hint{font-size:12px;color:var(--muted)}
.input,.textarea,.select{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  background:var(--surface);border:1.5px solid var(--border);color:var(--text);
  transition:border-color .3s,box-shadow .3s,background .3s;font-size:14.5px;
  line-height:1.6;
}
.input:focus,.textarea:focus,.select:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(61,123,255,.15);background:var(--surface-2);
}
.textarea{resize:vertical;min-height:120px;line-height:2}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2398a2b8' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 14px center;background-size:17px;padding-inline-start:42px}
.form-row{display:grid;gap:0 15px}
@media(min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;margin-bottom:18px;border:1px solid}
.alert-ok{background:rgba(0,212,160,.12);border-color:rgba(0,212,160,.35);color:#00d4a0}
.alert-err{background:rgba(255,92,138,.12);border-color:rgba(255,92,138,.35);color:#ff5c8a}
.alert-info{background:rgba(61,123,255,.1);border-color:rgba(61,123,255,.3);color:var(--blue-2)}

/* ---------- accordion ---------- */
.acc{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(14px)}
.acc+.acc{margin-top:12px}
.acc-btn{
  width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:none;border:0;
  cursor:pointer;text-align:start;font-weight:700;font-size:15px;color:var(--heading);transition:color .3s;
}
.acc-btn:hover{color:var(--blue-2)}
.acc-btn .chev{margin-inline-start:auto;width:28px;height:28px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center;transition:transform .4s var(--t),background .3s;flex:none}
.acc-btn .chev svg{width:15px;height:15px}
.acc[open] .acc-btn .chev,.acc.open .acc-btn .chev{transform:rotate(180deg);background:var(--grad);color:#fff}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .45s var(--t)}
.acc-panel-inner{padding:0 20px 20px;color:var(--muted);font-size:14.5px;line-height:2.15}

/* ---------- testimonial ---------- */
.tst{padding:24px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);height:100%;display:flex;flex-direction:column;gap:14px;position:relative;backdrop-filter:blur(14px)}
.tst .quote{position:absolute;top:14px;inset-inline-start:18px;font-size:60px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.25;font-family:Georgia,serif}
.tst p{color:var(--text);font-size:14.5px;line-height:2.1;opacity:.92;flex:1}
.tst .who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--border)}
.tst .av{width:44px;height:44px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;flex:none;overflow:hidden}
.tst .av img{width:100%;height:100%;object-fit:cover}
.tst .who b{display:block;font-size:14.5px;color:var(--heading)}
.tst .who span{font-size:12.5px;color:var(--muted)}
.stars{display:flex;gap:2px;color:var(--amber)}
.stars svg{width:15px;height:15px}

/* ---------- footer ---------- */
.footer{margin-top:60px;border-top:1px solid var(--border);background:var(--bg-2);position:relative}
.footer::before{content:"";position:absolute;top:0;inset-inline:0;height:1px;background:var(--grad);opacity:.6}
.footer-grid{display:grid;gap:32px;padding:52px 0 32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr}}
.footer h4{font-size:15px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer h4::after{content:"";position:absolute;bottom:0;inset-inline-start:0;width:28px;height:2.5px;background:var(--grad);border-radius:2px}
.footer li+li{margin-top:9px}
.footer a:not(.btn):not(.logo){color:var(--muted);font-size:14px;transition:color .25s,padding .25s;display:inline-block}
.footer a:not(.btn):not(.logo):hover{color:var(--blue-2);padding-inline-start:5px}
/* دکمه‌ها داخل فوتر باید ساختار دکمه را حفظ کنند */
.footer .btn{display:inline-flex;font-size:13.5px}
.footer .btn:hover{padding-inline-start:24px}
.footer .btn-sm:hover{padding-inline-start:18px}
.footer p{color:var(--muted);font-size:14px;line-height:2.1}
.socials{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.socials a{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border);color:var(--muted);transition:all .35s var(--t);padding:0;
}
.socials a:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-4px)}
.socials svg{width:18px;height:18px}
.contact-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;margin-bottom:11px}
.contact-line svg{width:17px;height:17px;color:var(--blue-2);flex:none}
.copyright{padding:20px 0;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:13px}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:18px 0}
.crumb a{transition:color .25s}
.crumb a:hover{color:var(--blue-2)}
.crumb svg{width:13px;height:13px;opacity:.5}

/* ---------- page hero ---------- */
.page-hero{padding:22px 0 34px;text-align:center}
.page-hero h1{font-size:clamp(25px,5.4vw,42px);margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:620px;margin-inline:auto;font-size:15px}

/* ---------- toolbar (search/filter) ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;align-items:center}
.toolbar .search{flex:1 1 240px;min-width:0;position:relative}
.toolbar .search svg{position:absolute;inset-inline-start:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none}
.toolbar .search input{padding-inline-start:44px}
/* select و دکمه نباید کل عرض را بگیرند تا همه در یک خط بمانند */
.toolbar .select{flex:0 1 200px;width:auto;min-width:150px}
.toolbar .btn{flex:0 0 auto}
.toolbar .input,.toolbar .select{height:48px;padding-block:0;line-height:normal}
.toolbar .select{line-height:46px}   /* وسط‌چین عمودی متن در select */
@media(max-width:560px){
  .toolbar{gap:8px}
  .toolbar .search{flex:1 1 100%}
  .toolbar .select{flex:1 1 auto}
  .toolbar .btn{flex:1 1 auto}
}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  padding:8px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;transition:all .3s var(--t);
}
.chip:hover{border-color:var(--blue);color:var(--blue-2);transform:translateY(-2px)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-glow)}

/* ---------- pagination ---------- */
.pager{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 12px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border);font-size:14px;font-weight:700;
  color:var(--muted);transition:all .3s var(--t);
}
.pager a:hover{border-color:var(--blue);color:var(--blue-2);transform:translateY(-2px)}
.pager .cur{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- misc ---------- */
.empty{text-align:center;padding:56px 20px;color:var(--muted)}
.empty svg{width:56px;height:56px;opacity:.3;margin:0 auto 16px}
.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:12.5px;align-items:center}
.meta span{display:inline-flex;align-items:center;gap:5px}
.meta svg{width:14px;height:14px;opacity:.75}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{padding:4px 12px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:11.5px;color:var(--muted);transition:all .3s}
.tag:hover{border-color:var(--blue);color:var(--blue-2)}

.to-top{
  position:fixed;inset-block-end:20px;inset-inline-start:20px;width:46px;height:46px;border-radius:15px;z-index:90;
  background:var(--grad);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--shadow-glow);opacity:0;visibility:hidden;transform:translateY(16px);
  transition:all .4s var(--t);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-4px) scale(1.06)}
.to-top svg{width:20px;height:20px}

.tg-float{
  position:fixed;inset-block-end:20px;inset-inline-end:20px;z-index:90;height:46px;padding:0 18px;border-radius:15px;
  background:linear-gradient(135deg,#229ED9,#0f8ac7);color:#fff;display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;box-shadow:0 16px 40px -14px rgba(34,158,217,.8);transition:transform .35s var(--t);
}
.tg-float:hover{transform:translateY(-4px)}
.tg-float svg{width:19px;height:19px}
@media(max-width:520px){.tg-float span{display:none}.tg-float{padding:0;width:46px;justify-content:center}}

/* loading bar */
#pbar{position:fixed;top:0;inset-inline:0;height:3px;z-index:9999;background:var(--grad);transform:scaleX(0);transform-origin:right;transition:transform .3s}
#pbar.go{transform:scaleX(.7)}
#pbar.done{transform:scaleX(1);opacity:0;transition:transform .2s,opacity .4s .2s}

/* skeleton / lazy */
img[loading=lazy]{background:var(--surface-2)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--t),transform .8s var(--t)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* copy box */
.copybox{position:relative;background:#0a0d1a;color:#dbe4ff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;white-space:pre-wrap;line-height:2.1;font-size:14.5px;max-height:520px;overflow:auto}
html[data-theme=light] .copybox{background:#0d1226}
.copy-btn{position:sticky;top:0;float:inline-start;margin-block-end:8px}

/* product gallery */
.gallery-main{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);aspect-ratio:4/3;background:var(--grad-soft)}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:9px;margin-top:10px;overflow-x:auto;scrollbar-width:none}
.gallery-thumbs::-webkit-scrollbar{display:none}
.gallery-thumbs img{width:74px;height:58px;object-fit:cover;border-radius:11px;border:2px solid var(--border);cursor:pointer;flex:none;transition:border-color .3s,transform .3s}
.gallery-thumbs img:hover,.gallery-thumbs img.active{border-color:var(--blue);transform:translateY(-2px)}

.feature-list li{display:flex;align-items:flex-start;gap:10px;padding:9px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.feature-list li:last-child{border:0}
.feature-list svg{width:19px;height:19px;color:var(--green);flex:none;margin-top:5px}

/* modal */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex}
.modal-bg{position:absolute;inset:0;background:rgba(2,6,23,.72);backdrop-filter:blur(8px)}
.modal-card{position:relative;width:min(620px,100%);max-height:90vh;overflow-y:auto;padding:26px;border-radius:var(--radius-lg);background:var(--bg-2);border:1px solid var(--border);animation:pop .4s var(--t)}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.97)}}

/* 404 */
.err-code{font-size:clamp(80px,22vw,180px);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* two-col layout */
.split{display:grid;gap:26px}
@media(min-width:960px){.split{grid-template-columns:1fr 340px;align-items:start}}
@media(min-width:960px){.split-wide{grid-template-columns:1.15fr .85fr}}
.sticky{position:sticky;top:calc(var(--header-h) + 18px)}

.share{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.share a,.share button{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all .3s var(--t)}
.share a:hover,.share button:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-3px)}
.share svg{width:17px;height:17px}

.toast{position:fixed;inset-block-end:24px;inset-inline:0;margin-inline:auto;width:max-content;max-width:90vw;z-index:999;
  background:var(--grad);color:#fff;padding:12px 24px;border-radius:999px;font-weight:700;font-size:14px;
  box-shadow:var(--shadow-glow);opacity:0;transform:translateY(20px);transition:all .4s var(--t);pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}

/* honeypot: hidden without creating layout overflow */
.hp{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;opacity:0;pointer-events:none}

/* icon sizing inside inline chips/badges/buttons */
.badge svg{width:13px;height:13px;flex:none}
.tag svg{width:12px;height:12px;flex:none}
.chip svg{width:14px;height:14px;flex:none}
.eyebrow svg{width:14px;height:14px;flex:none}
.card-body .badge{align-self:flex-start}
.slider-track{scroll-padding-inline:0}
.slider-track>:first-child{scroll-snap-align:start}

/* ================= سبد خرید ================= */
.cart-badge{position:absolute;top:-5px;inset-inline-end:-5px;min-width:19px;height:19px;padding:0 5px;border-radius:99px;
  background:var(--pink);color:#fff;font-size:10.5px;font-weight:800;display:grid;place-items:center;line-height:1;
  box-shadow:0 3px 10px rgba(255,92,138,.6);pointer-events:none}
.cart-btn{position:relative}
.cart-row{display:grid;grid-template-columns:74px 1fr auto auto auto;gap:14px;align-items:center;
  padding:14px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);margin-bottom:10px}
.cart-thumb{width:74px;height:58px;border-radius:11px;overflow:hidden;background:var(--grad-soft);flex:none}
.cart-thumb img{width:100%;height:100%;object-fit:cover}
.cart-info{display:flex;flex-direction:column;gap:3px;min-width:0}
.cart-title{font-weight:700;font-size:14.5px;color:var(--heading);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cart-title:hover{color:var(--blue-2)}
.cart-unit{font-size:12.5px;color:var(--muted)}
.cart-line{font-size:15px;font-weight:800;color:var(--heading);white-space:nowrap;min-width:96px;text-align:end}
.qty{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg-2);flex:none}
.qty button{width:34px;height:38px;border:0;background:none;color:var(--muted);font-size:18px;cursor:pointer;transition:.25s;line-height:1}
.qty button:hover{background:var(--grad);color:#fff}
.qty input{width:46px;height:38px;border:0;background:none;text-align:center;font-weight:700;font-size:14px;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
@media(max-width:640px){
  .cart-row{grid-template-columns:60px 1fr auto;gap:10px}
  .cart-thumb{width:60px;height:48px}
  .cart-line{grid-column:2;text-align:start;min-width:0}
  .qty{grid-row:2;grid-column:3}
}
.mini-row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:13.5px}
.mini-row:last-child{border:0}
.mini-row.total{font-size:15px;font-weight:800;color:var(--heading);border-top:1px solid var(--border);margin-top:6px;padding-top:12px}
.mini-row span{color:var(--muted);overflow:hidden;text-overflow:ellipsis}
[data-add-cart].added{background:var(--green)!important;color:#fff!important}

/* پیام خطای اعتبارسنجی فرم */
.err-msg{display:none;color:#ff5c8a;font-size:12.5px;font-weight:600;margin-top:2px}
.field.invalid .err-msg{display:block}
.field.invalid .input,.field.invalid .textarea{border-color:#ff5c8a;box-shadow:0 0 0 3px rgba(255,92,138,.14)}
.field.valid .input{border-color:rgba(0,212,160,.55)}

/* اندازه امن آیکون‌ها — جلوگیری از بزرگ شدن SVG بدون ابعاد */
.feature-list svg{width:19px!important;height:19px!important;flex:none}
.btn>svg{width:18px;height:18px;flex:none}
.btn-lg>svg{width:19px;height:19px}
.btn-sm>svg{width:16px;height:16px}
.acard h3>svg{width:18px;height:18px;flex:none}
.empty>svg{width:56px;height:56px}
.svc-ico>svg{width:25px;height:25px}
.contact-line>svg{width:17px;height:17px;flex:none}
.mini-row svg,.cart-row svg{width:16px;height:16px;flex:none}
/* هر SVG داخل متن که ابعاد مشخص ندارد */
p>svg,span>svg,li>svg,strong>svg{width:1em;height:1em;vertical-align:-.15em}
/* آیکون داخل عناوین نباید بدون اندازه رها شود */
h1>svg,h2>svg,h3>svg,h4>svg,h5>svg{width:1.05em;height:1.05em;flex:none;vertical-align:-.14em}

/* ===== نوار شناور سبد خرید (بعد از افزودن اولین محصول) ===== */
.cart-fab{
  position:fixed;inset-block-end:20px;inset-inline-start:78px;z-index:95;
  display:flex;align-items:center;gap:12px;padding:10px 14px 10px 10px;
  border-radius:18px;background:var(--glass);border:1px solid var(--border-2);
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  box-shadow:0 20px 50px -18px rgba(2,6,23,.6);
  opacity:0;visibility:hidden;transform:translateY(20px) scale(.96);
  transition:opacity .4s var(--t),transform .4s var(--t),visibility .4s;
  max-width:calc(100vw - 40px);
}
.cart-fab.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
body.has-fab .footer{padding-bottom:64px}
.cart-fab.bump{animation:fabBump .5s var(--t)}
@keyframes fabBump{0%,100%{transform:translateY(0) scale(1)}40%{transform:translateY(-5px) scale(1.045)}}
.cart-fab-info{display:flex;flex-direction:column;gap:1px;min-width:0;padding-inline-start:4px}
.cart-fab-info b{font-size:13.5px;color:var(--heading);white-space:nowrap;line-height:1.5}
.cart-fab-info span{font-size:11.5px;color:var(--muted);white-space:nowrap;line-height:1.5}
.cart-fab .btn{flex:none;height:42px;padding:0 18px}
.cart-fab-close{
  width:26px;height:26px;border-radius:9px;border:1px solid var(--border);background:var(--surface);
  color:var(--muted);cursor:pointer;display:grid;place-items:center;font-size:14px;line-height:1;flex:none;
  transition:.25s;padding:0;
}
.cart-fab-close:hover{color:var(--pink);border-color:var(--pink)}
@media(max-width:700px){
  .cart-fab{inset-inline-start:12px;inset-inline-end:12px;inset-block-end:74px;padding:10px;gap:9px}
  .cart-fab-info b{font-size:12.5px;white-space:normal}
  .cart-fab-info span{font-size:11px}
  .cart-fab .btn{height:38px;padding:0 13px;font-size:12.5px}
}