/* فروشگاه PyCourse (shop.pycourse.ir) — مستقل از base.html سایتِ آموزشی؛ بدونِ هیچ منبعِ خارجی.
   توکن‌های رنگ هم‌نامِ سایتِ آموزشی‌اند (--bg --bg2 --bg3 --border --accent --accent2 --accent3 --accent4 --text --text2 --on-accent).
   پالتِ هر محصول (--a1…--a5) هویتِ خودِ محصول است و فقط در `.sh-art[data-art]` تعریف می‌شود. */
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn.woff2") format("woff2-variations");font-weight:300 900;font-style:normal;font-display:swap}

:root{
  --bg:#0a0e17;--bg2:#111827;--bg3:#1a2236;--border:#263148;
  --accent:#6ee7f7;--accent2:#a78bfa;--accent3:#34d399;--accent4:#f59e0b;
  --text:#e2e8f0;--text2:#94a3b8;--on-accent:#06121f;
  --accent-grad:linear-gradient(135deg,#6ee7f7,#a78bfa);
  --glow:rgba(110,231,247,.16);--glow2:rgba(167,139,250,.16);
  --sh:0 1px 2px rgba(0,0,0,.4),0 18px 40px rgba(0,0,0,.35);
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:14px;--r-lg:20px;--tap:44px;--gut:18px;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#e8eef7;--bg2:#ffffff;--bg3:#eef3fa;--border:rgba(21,42,76,.14);
    --accent:#097488;--accent2:#5a3fd0;--accent3:#0e7655;--accent4:#8c5806;
    --text:#0c1a2e;--text2:#55637c;--on-accent:#ffffff;
    --accent-grad:linear-gradient(135deg,#097488,#5a3fd0);
    --glow:rgba(9,116,136,.12);--glow2:rgba(90,63,208,.12);
    --sh:0 1px 2px rgba(12,26,46,.08),0 16px 36px rgba(12,26,46,.12);
    color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#e8eef7;--bg2:#ffffff;--bg3:#eef3fa;--border:rgba(21,42,76,.14);
  --accent:#097488;--accent2:#5a3fd0;--accent3:#0e7655;--accent4:#8c5806;
  --text:#0c1a2e;--text2:#55637c;--on-accent:#ffffff;
  --accent-grad:linear-gradient(135deg,#097488,#5a3fd0);
  --glow:rgba(9,116,136,.12);--glow2:rgba(90,63,208,.12);
  --sh:0 1px 2px rgba(12,26,46,.08),0 16px 36px rgba(12,26,46,.12);
  color-scheme:light;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:78px}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Vazirmatn",system-ui,"Segoe UI",Tahoma,sans-serif;font-size:16px;line-height:1.9;overflow-x:hidden}
a{color:var(--accent);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
button{font:inherit;color:inherit}
h1,h2,h3{line-height:1.35;margin:0;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.sh-wrap{width:100%;max-width:1160px;margin-inline:auto;padding-inline:var(--gut)}
.sh-skip{position:absolute;inset-inline-start:8px;top:-64px;background:var(--accent);color:var(--on-accent);padding:8px 14px;border-radius:8px;z-index:60}
.sh-skip:focus{top:8px}

/* ── هدر ── */
.sh-top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.sh-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:62px}
.sh-brand{white-space:nowrap;display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:18px}
.sh-brand b{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sh-nav{display:flex;align-items:center;gap:6px}
.sh-nav a{white-space:nowrap;color:var(--text2);text-decoration:none;padding:8px 12px;border-radius:10px;font-size:15px;min-height:var(--tap);display:inline-flex;align-items:center}
.sh-nav a:hover{color:var(--text);background:var(--bg3)}
.sh-theme{width:var(--tap);height:var(--tap);border-radius:12px;border:1px solid var(--border);background:var(--bg2);cursor:pointer;display:grid;place-items:center}
.sh-theme span{width:16px;height:16px;border-radius:50%;background:linear-gradient(90deg,var(--text) 50%,transparent 50%);border:2px solid var(--text)}
@media (max-width:640px){.sh-nav .sh-out{display:none}.sh-nav a{padding:8px 8px;font-size:14px}.sh-brand{font-size:16px}.sh-cta .sh-btn{flex:1 1 100%}.sh-bar{gap:4px}.sh-nav{gap:0}.sh-theme{width:40px;height:40px;margin-inline-start:4px}.sh-brand img{width:26px;height:26px}}

/* ── دکمه و چیپ ── */
.sh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap);padding:10px 20px;border-radius:12px;border:1px solid var(--border);background:var(--bg2);color:var(--text);font-weight:700;text-decoration:none;cursor:pointer;transition:transform .15s ease,border-color .15s ease,background-color .15s ease}
.sh-btn:hover{border-color:var(--accent);transform:translateY(-1px);text-decoration:none}
.sh-btn--main{background:var(--accent-grad);color:var(--on-accent);border-color:transparent}
.sh-btn--sm{min-height:38px;padding:6px 14px;font-size:14px}
.sh-btn--block{width:100%}
.sh-btn[disabled]{cursor:not-allowed;transform:none}
.sh-btn--wait{border-style:dashed;color:var(--text2)}
.sh-chip{display:inline-flex;align-items:center;gap:6px;padding:2px 12px;border-radius:999px;font-size:13px;font-weight:700;color:var(--accent4);background:color-mix(in srgb,var(--accent4) 14%,transparent);border:1px solid color-mix(in srgb,var(--accent4) 36%,transparent)}
.sh-chip.is-ready{color:var(--accent3);background:color-mix(in srgb,var(--accent3) 14%,transparent);border-color:color-mix(in srgb,var(--accent3) 36%,transparent)}
.sh-price{color:var(--text2);font-size:14px}
.sh-price--lg{font-size:16px;color:var(--text);font-weight:700}
.sh-soon{display:inline-block;color:var(--accent4);font-size:13px;font-weight:700;margin-inline-start:4px}

/* ── قابِ مرورگر (قابِ مشترکِ کارت‌ها و جزئیات) ── */
.sh-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg2);border:1px solid var(--border);box-shadow:var(--sh)}
.sh-chrome{direction:ltr;display:flex;align-items:center;gap:6px;padding:9px 12px;background:var(--bg3);border-bottom:1px solid var(--border)}
.sh-chrome i{width:9px;height:9px;border-radius:50%;background:var(--border);display:block}
.sh-chrome span{margin-inline-start:8px;flex:1;max-width:210px;font:12px/1 var(--mono);color:var(--text2);background:var(--bg);border-radius:999px;padding:5px 12px;direction:ltr;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sh-art{--a1:#888;--a2:#444;--a3:#eee;--a4:#bbb;--a5:#ccc;aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--a3)}
.sh-art[data-art="pistachio"]{--a1:#7aa63a;--a2:#2b441f;--a3:#f4f0d9;--a4:#d6bf79;--a5:#b7d487}
.sh-art[data-art="saffron"]{--a1:#b5192b;--a2:#6d0f1c;--a3:#fdf1dc;--a4:#f0a91c;--a5:#e0556a}
.sh-art[data-art="handicraft"]{--a1:#c0603a;--a2:#27386f;--a3:#f0e2ca;--a4:#e5b97a;--a5:#8c3d22}
.sh-art[data-art="gpt"]{--a1:#34d399;--a2:#0d1b2a;--a3:#d7f5e8;--a4:#34d399;--a5:#34d399}
.sh-art[data-art="claude"]{--a1:#a78bfa;--a2:#14112b;--a3:#e6defc;--a4:#a78bfa;--a5:#a78bfa}
.sh-svg{display:block;width:100%;height:auto;transform:translateY(0);transition:transform .9s cubic-bezier(.3,.1,.2,1)}
.sh-svg .c1{fill:var(--a1)}.sh-svg .c2{fill:var(--a2)}.sh-svg .c3{fill:var(--a3)}.sh-svg .c4{fill:var(--a4)}.sh-svg .c5{fill:var(--a5)}.sh-svg .cw{fill:#fff;fill-opacity:.78}
.sh-svg .l2{fill:none;stroke:var(--a2);stroke-width:2.4;stroke-linecap:round}
.sh-svg .l3{fill:none;stroke:var(--a3);stroke-width:2.4;stroke-linecap:round}
.sh-svg .l4{fill:none;stroke:var(--a4);stroke-width:2.2;stroke-linecap:round}
.sh-svg .o2{opacity:.2}.sh-svg .o4{opacity:.4}.sh-svg .o5{opacity:.5}.sh-svg .o6{opacity:.6}.sh-svg .o7{opacity:.7}.sh-svg .o8{opacity:.8}
/* اسکرولِ صفحه‌ی نمونه: ارتفاعِ SVG = ۱٫۷۵ برابرِ عرض و قاب ۰٫۷۵ ⇒ تا انتها = ۱/۱٫۷۵ */
.sh-card:hover .sh-svg,.sh-card:focus-visible .sh-svg,.sh-frame.is-scrolled .sh-svg{transform:translateY(-57.14%);transition-duration:2.6s}

/* ── کارت‌ها ── */
.sh-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.sh-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.sh-card{display:flex;flex-direction:column;gap:16px;padding:14px;border-radius:calc(var(--r-lg) + 6px);background:var(--bg2);border:1px solid var(--border);text-decoration:none;color:var(--text);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.sh-card:hover,.sh-card:focus-visible{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 55%,var(--border));box-shadow:var(--sh);text-decoration:none}
.sh-card .sh-frame{box-shadow:none}
.sh-card-body{display:flex;flex-direction:column;gap:6px;padding:2px 6px 6px}
.sh-card h3{font-size:19px}
.sh-card p{color:var(--text2);font-size:14.5px;line-height:1.8}
.sh-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.sh-card--svc{flex-direction:row;align-items:center;gap:18px}
.sh-card--svc .sh-frame{flex:0 0 42%}
.sh-card--svc .sh-card-body{flex:1}
@media (max-width:900px){.sh-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.sh-grid,.sh-grid--2{grid-template-columns:1fr}.sh-card--svc{flex-direction:column;align-items:stretch}.sh-card--svc .sh-frame{flex:none}}

/* ── بخش‌ها ── */
.sh-section{padding-block:76px}
.sh-section--alt{background:linear-gradient(180deg,transparent,var(--bg2) 12%,var(--bg2) 88%,transparent)}
.sh-head{max-width:640px;margin-bottom:36px}
.sh-head h2{font-size:clamp(26px,4vw,38px);margin-bottom:10px}
.sh-head p{color:var(--text2)}
.sh-empty{color:var(--text2)}
@media (max-width:640px){.sh-section{padding-block:52px}}

/* ── قهرمان ── */
.sh-hero{position:relative;padding-block:70px 50px;overflow:hidden}
.sh-hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:70%;height:120%;background:radial-gradient(closest-side,var(--glow),transparent 70%);pointer-events:none}
.sh-hero::after{content:"";position:absolute;inset:auto auto -30% -10%;width:60%;height:100%;background:radial-gradient(closest-side,var(--glow2),transparent 70%);pointer-events:none}
.sh-hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.sh-hero h1{font-size:clamp(34px,5.6vw,60px);font-weight:900;letter-spacing:-.015em;margin-bottom:18px}
.sh-lead{color:var(--text2);font-size:clamp(16px,2vw,19px);max-width:34em;margin-bottom:28px}
.sh-cta{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:900px){.sh-hero{padding-block:40px 30px}.sh-hero-in{grid-template-columns:1fr;gap:34px}}

.sh-stage{position:relative;perspective:1300px;padding:0 0 34px 24px}
.sh-frame--hero{transform:rotateY(var(--ry,-7deg)) rotateX(var(--rx,3deg));transition:transform .25s ease-out;transform-style:preserve-3d}
.sh-mini{padding:16px;display:grid;gap:12px;background:var(--bg2);min-height:300px;direction:rtl}
.sh-mini>*{animation:sh-drop .7s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i,0)*.16s + .15s)}
.sh-mini-nav{display:flex;align-items:center;gap:10px}
.sh-mini-nav b{width:26px;height:26px;border-radius:8px;background:var(--accent-grad)}
.sh-mini-nav s{height:8px;width:42px;border-radius:4px;background:var(--border)}
.sh-mini-nav s:first-of-type{margin-inline-start:auto}
.sh-mini-hero{border-radius:14px;padding:22px 18px;background:var(--accent-grad);display:grid;gap:9px;justify-items:start}
.sh-mini-hero u{height:13px;border-radius:7px;background:var(--on-accent);opacity:.88;display:block;width:70%}
.sh-mini-hero u+u{width:48%;height:9px;opacity:.6}
.sh-mini-hero em{width:84px;height:26px;border-radius:13px;background:var(--bg);display:block;margin-top:6px}
.sh-mini-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sh-mini-cards>div{border:1px solid var(--border);border-radius:12px;padding:10px;display:grid;gap:7px;background:var(--bg3)}
.sh-mini-cards b{height:46px;border-radius:8px;background:color-mix(in srgb,var(--accent) 24%,var(--bg2))}
.sh-mini-cards>div:nth-child(2) b{background:color-mix(in srgb,var(--accent2) 28%,var(--bg2))}
.sh-mini-cards>div:nth-child(3) b{background:color-mix(in srgb,var(--accent3) 26%,var(--bg2))}
.sh-mini-cards s{height:7px;border-radius:4px;background:var(--border)}
.sh-mini-cards s+s{width:60%}
.sh-mini-foot{height:30px;border-radius:10px;background:var(--bg3);border:1px dashed var(--border)}
@keyframes sh-drop{from{opacity:0;transform:translateY(-26px) scale(.97)}to{opacity:1;transform:none}}
.sh-code{position:absolute;z-index:2;inset-inline-start:-14px;bottom:0;width:min(300px,70%);padding:14px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--border);box-shadow:var(--sh);font:12.5px/1.75 var(--mono);color:var(--text2);white-space:pre;overflow:hidden;animation:sh-drop .7s .95s cubic-bezier(.2,.8,.2,1) both}
.sh-code .k{color:var(--accent2)}.sh-code .a{color:var(--accent4)}.sh-code .s{color:var(--accent3)}
@media (max-width:640px){.sh-stage{padding:0 0 70px}.sh-code{inset-inline-start:8px;width:min(300px,84%)}}

/* ── مراحل ── */
.sh-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.sh-steps li{counter-increment:step;position:relative;padding:22px 22px 22px 22px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--border)}
.sh-steps li::before{content:counter(step,persian);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--accent-grad);color:var(--on-accent);font-weight:800;margin-bottom:12px}
.sh-steps h3{font-size:18px;margin-bottom:6px}
.sh-steps p{color:var(--text2);font-size:14.5px}
@media (max-width:760px){.sh-steps{grid-template-columns:1fr}}

/* ── جزئیات ── */
.sh-crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-block:22px 6px;font-size:14px;color:var(--text2)}
.sh-crumbs a{color:var(--text2);text-decoration:none}.sh-crumbs a:hover{color:var(--accent)}
.sh-detail{display:grid;grid-template-columns:1.25fr .9fr;gap:36px;align-items:start;padding-block:14px 30px}
.sh-detail-vis{display:grid;gap:14px;justify-items:start}
.sh-detail-vis .sh-frame{width:100%}
.sh-buy{position:sticky;top:86px;display:grid;gap:12px;padding:26px;border-radius:var(--r-lg);background:var(--bg2);border:1px solid var(--border);box-shadow:var(--sh)}
.sh-kind{color:var(--accent);font-size:14px;font-weight:700}
.sh-buy h1{font-size:clamp(26px,3.4vw,36px);font-weight:900}
.sh-tag{color:var(--text2)}
.sh-note{color:var(--text2);font-size:13.5px;line-height:1.8}
.sh-body{display:grid;gap:34px;padding-block:20px 40px;max-width:760px}
.sh-body h2,.sh-related h2{font-size:22px;margin-bottom:12px}
.sh-body p+p{margin-top:10px}
.sh-body p{color:var(--text2)}
.sh-checks{display:grid;gap:10px}
.sh-checks li{position:relative;padding-inline-start:30px;color:var(--text2)}
.sh-checks li::before{content:"";position:absolute;inset-inline-start:3px;top:.62em;width:13px;height:7px;border-left:2.5px solid var(--accent3);border-bottom:2.5px solid var(--accent3);transform:rotate(-45deg)}
.sh-tags{display:flex;flex-wrap:wrap;gap:8px}
.sh-tags li{padding:3px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg2);font:600 13.5px/1.8 var(--mono)}
.sh-tree{margin:0;padding:16px 18px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--border);font:13.5px/1.9 var(--mono);color:var(--text2);overflow-x:auto}
.sh-demo{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--r);border:1px dashed var(--border);background:var(--bg2);color:var(--accent4)}
.sh-demo b{display:block;color:var(--text);margin-bottom:2px}
.sh-demo p{color:var(--text2);font-size:14.5px}
.sh-related{padding-block:20px 80px}
.sh-related .sh-card--svc{flex-direction:column;align-items:stretch}
.sh-related .sh-card--svc .sh-frame{flex:none}
@media (max-width:900px){.sh-detail{grid-template-columns:1fr}.sh-buy{position:static}}

/* ── پایین ── */
.sh-foot{border-top:1px solid var(--border);background:var(--bg2);color:var(--text2);font-size:14px}
.sh-foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-block:22px}
.sh-foot a{color:var(--text2)}.sh-foot a:hover{color:var(--accent)}

@media (max-width:400px){:root{--gut:14px}.sh-nav a{padding:8px 6px;font-size:13px}.sh-brand{font-size:15px;gap:7px}.sh-brand img{width:24px;height:24px}}
@media (max-width:340px){.sh-nav a:nth-child(2){display:none}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sh-mini>*,.sh-code{animation:none}
  .sh-svg,.sh-card,.sh-btn,.sh-frame--hero{transition:none}
  .sh-card:hover,.sh-card:focus-visible,.sh-btn:hover{transform:none}
}