/* خلفية المتجر — النسخة أ «بارد» (سماوي + ستيل)
   أساس شبه أسود + ضوء ناعم طويل ينزل من أطراف الصفحة يمين/يسار بالتناوب.
   background-size: الطبقة ما تقل عن 3200px عشان الصفحات القصيرة (السلة/الدفع) ما يصير فيها الضوء دوائر. */
body{
  background-color:#05070D;
  background-repeat:no-repeat;
  background-position:top center;
  background-size:100% max(100%, 3200px);
  background-image:
    radial-gradient(50% 17% at 4% 15%, rgba(91,192,222,0.28) 0%, rgba(91,192,222,0.218) 18%, rgba(91,192,222,0.14) 34%, rgba(91,192,222,0.073) 50%, rgba(91,192,222,0.025) 64%, transparent 78%),
    radial-gradient(50% 17% at 96% 13%, rgba(58,80,107,0.46) 0%, rgba(58,80,107,0.359) 18%, rgba(58,80,107,0.23) 34%, rgba(58,80,107,0.12) 50%, rgba(58,80,107,0.041) 64%, transparent 78%),
    radial-gradient(48% 16% at 94% 35%, rgba(91,192,222,0.24) 0%, rgba(91,192,222,0.187) 18%, rgba(91,192,222,0.12) 34%, rgba(91,192,222,0.062) 50%, rgba(91,192,222,0.022) 64%, transparent 78%),
    radial-gradient(48% 16% at 6% 54%, rgba(58,80,107,0.42) 0%, rgba(58,80,107,0.328) 18%, rgba(58,80,107,0.21) 34%, rgba(58,80,107,0.109) 50%, rgba(58,80,107,0.038) 64%, transparent 78%),
    radial-gradient(48% 16% at 95% 74%, rgba(91,192,222,0.22) 0%, rgba(91,192,222,0.172) 18%, rgba(91,192,222,0.11) 34%, rgba(91,192,222,0.057) 50%, rgba(91,192,222,0.02) 64%, transparent 78%),
    radial-gradient(48% 16% at 6% 93%, rgba(58,80,107,0.38) 0%, rgba(58,80,107,0.296) 18%, rgba(58,80,107,0.19) 34%, rgba(58,80,107,0.099) 50%, rgba(58,80,107,0.034) 64%, transparent 78%);
}