:root{
  --bg:#0a0a0a;         /* black base */
  --surface:#111214;    /* near-black */
  --card:#15161a;       /* dark card */
  --text:#f0f2f5;       /* almost white */
  --muted:#c9cdd3;      /* silver/gray */
  --accent:#e03131;     /* red */
  --accent-2:#ff5b5b;   /* lighter red */
  --shadow:0 10px 30px rgba(0,0,0,.5);
  --accent-rgb: 224,49,49;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, 'Apple Color Emoji','Segoe UI Emoji';
  color:var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(var(--accent-rgb), .12), transparent 50%),
              radial-gradient(900px 600px at 110% 10%, rgba(167,139,250,.1), transparent 50%),
              var(--bg);
  overflow-x:hidden;
}

#particles-js{
  position:fixed;inset:0;z-index:-1;
}

.container{width:min(1200px, 92%); margin-inline:auto}

.nav{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(8px);
  background:linear-gradient(180deg, rgba(12,12,20,.85), rgba(12,12,20,.55));
  border-bottom:1px solid rgba(255,255,255,.04);
}
.nav__inner{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px 0;
}
.brand{
  font-weight:800; letter-spacing:.3px; text-decoration:none; color:#fff; font-size:20px;
}
.brand span{color:var(--accent)}

.brand{display:flex; align-items:center; gap:10px}
.brand__logo{height:28px; width:auto; filter: drop-shadow(0 4px 18px rgba(var(--accent-rgb), .35));}

.nav__links{display:flex; gap:18px; align-items:center}
.nav__links a{color:var(--muted); text-decoration:none; font-weight:600}
.nav__links a:hover{color:#fff; text-shadow:0 0 10px rgba(167,139,250,.55)}
.nav__auth{display:flex; gap:10px; align-items:center}
.nav__auth select{
  background:var(--card); color:var(--text); border:1px solid rgba(var(--accent-rgb), .25);
  padding:8px 10px; border-radius:10px;
}
.nav__menu{display:none; background:none; border:0; color:#fff; font-size:22px}

.btn{
  appearance:none; border:0; border-radius:14px; padding:10px 16px;
  background:linear-gradient(180deg, var(--accent-2), var(--accent));
  color:#fff; font-weight:700; cursor:pointer; box-shadow:var(--shadow);
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover{transform: translateY(-1px); filter:brightness(1.1)}
.btn--ghost{
  background:transparent; border:1px solid rgba(var(--accent-rgb), .35); color:#fff; box-shadow:none;
}
.btn--ghost:hover{background:rgba(var(--accent-rgb), .12); text-shadow:0 0 12px rgba(167,139,250,.8)}

.toolbar{display:grid; gap:18px; margin:26px 0}
.badges{display:flex; gap:10px; flex-wrap:wrap}
.badge{
  background:var(--card); border:1px solid rgba(var(--accent-rgb), .25); color:#fff;
  padding:8px 12px; border-radius:999px; font-weight:700; font-size:14px;
  box-shadow:0 4px 16px rgba(0,0,0,.25);
}
.filters{display:flex; gap:8px; justify-content:center; flex-wrap:wrap}
.chip{
  background:transparent; color:#cfcbe8; border:1px solid rgba(224,49,49,.3);
  padding:8px 14px; border-radius:999px; font-weight:700; cursor:pointer;
  transition:box-shadow .15s ease, color .15s ease, border-color .15s ease;
}
.chip:hover{color:#fff; text-shadow:0 0 10px rgba(167,139,250,.7)}
.chip.is-active{background:rgba(var(--accent-rgb), .15); color:#fff; border-color:rgba(224,49,49,.7)}

.grid{
  display:grid; gap:18px; grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 980px){ .grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width: 620px){ .grid{grid-template-columns:1fr} .nav__links{display:none} .nav__menu{display:block} }

.card{
  background:var(--card); border:1px solid rgba(255,255,255,.06);
  border-radius:18px; padding:18px; box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:12px;
}
.card__img{
  height:140px; border-radius:12px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), .15), rgba(167,139,250,.15));
  border:1px dashed rgba(var(--accent-rgb), .35);
}
.card__title{margin:6px 0 2px; font-size:18px}
.card__price{color:#dcd6ff; margin:0 0 6px; font-weight:700}
.card__actions{margin-top:auto; display:flex; gap:10px}

.stats{
  display:flex; gap:40px; justify-content:center; text-align:center; margin:48px 0 64px;
}
.stat__num{font-size:36px; font-weight:900; color:#fff; text-shadow:0 0 18px rgba(167,139,250,.25)}
.stat__label{color:var(--muted)}

.footer{
  border-top:1px solid rgba(var(--accent-rgb), .15);
  background:rgba(5,5,10,.6); padding:20px 0; color:var(--muted);
}
.footer .link{color:#cfcbe8; text-decoration:none}
.footer .link:hover{color:#fff; text-shadow:0 0 12px rgba(167,139,250,.8)}


/* ===== Hero ===== */
.hero{padding:72px 0 24px}
.hero__inner{display:flex; flex-direction:column; align-items:center; gap:14px; text-align:center}
.hero__logo{width:min(220px, 45vw); height:auto; filter: drop-shadow(0 12px 28px rgba(var(--accent-rgb), .35)); animation: logo-pop .8s ease both}
.hero__title{font-size:clamp(24px, 4vw, 40px); margin:6px 0 0}
.hero__subtitle{color:var(--muted); max-width:720px; margin:0 auto}
.hero__cta{display:flex; gap:12px; margin-top:8px; flex-wrap:wrap; justify-content:center}

.hero__logo:hover{transform: translateY(-2px) scale(1.02); transition: .2s ease;}

/* ===== Section title ===== */
.section-title{font-size:22px; font-weight:900; margin:28px 0 14px; text-align:center}

/* ===== Testimonials (carousel) ===== */
.testimonials{margin:14px auto 56px}
.ts__viewport{overflow:hidden; border-radius:16px; border:1px solid rgba(255,255,255,.06); background:rgba(255,255,255,.02)}
.ts__track{display:flex; transition: transform .45s ease; will-change:transform}
.ts__item{min-width:100%; padding:28px; display:grid; place-items:center; gap:6px}
.ts__avatar{width:48px;height:48px;border-radius:999px;background:linear-gradient(180deg,var(--accent-2),var(--accent)); display:grid; place-items:center; color:#fff; font-weight:900; box-shadow:var(--shadow)}
.ts__text{font-size:18px; text-align:center; max-width:720px}
.ts__meta{color:var(--muted)}
.ts__controls{display:flex; justify-content:center; gap:12px; margin-top:10px}
.ts__btn{background:transparent; border:1px solid rgba(var(--accent-rgb), .35); color:#fff; padding:6px 12px; border-radius:10px; cursor:pointer}
.ts__btn:hover{background:rgba(var(--accent-rgb), .12)}

/* ===== Modal ===== */
.modal{position:fixed; inset:0; display:none; align-items:center; justify-content:center; z-index:20}
.modal.is-open{display:flex}
.modal__backdrop{position:absolute; inset:0; background:rgba(0,0,0,.6)}
.modal__dialog{position:relative; background:var(--card); border:1px solid rgba(255,255,255,.08); border-radius:18px; width:min(880px, 92%); box-shadow:var(--shadow)}
.modal__close{position:absolute; top:10px; right:10px; background:transparent; border:0; color:#fff; font-size:20px; cursor:pointer}
.modal__content{display:grid; grid-template-columns: 1fr 1fr; gap:16px; padding:18px}
.modal__img{background: linear-gradient(135deg, rgba(var(--accent-rgb), .2), rgba(255,91,91,.2)); border-radius:12px; min-height:220px}
.modal__title{margin:6px 0 0}
.modal__desc{color:var(--muted)}
.modal__features{margin:8px 0 0; padding-left:18px; color:#e8e8e8}
.modal__features li{margin:4px 0}
.modal__actions{margin-top:10px}
@media (max-width: 780px){ .modal__content{grid-template-columns:1fr} }

/* ===== Logo glow on hover in navbar ===== */
.brand__logo{transition: filter .2s ease, transform .2s ease}
.brand__logo:hover{filter: drop-shadow(0 8px 26px rgba(var(--accent-rgb), .5)); transform: translateY(-1px) scale(1.04)}


/* ===== Theme: Dark Silver ===== */
[data-theme="silver"]{
  --bg:#0a0b0d;
  --surface:#121316;
  --card:#15171b;
  --text:#f1f3f5;
  --muted:#c9cfd6;
  --accent:#b0b7c3;
  --accent-2:#dfe4ea;
  --accent-rgb: 176,183,195;
}


/* ===== Hero mesh background ===== */
.hero{
  position:relative;
  background:
    radial-gradient(700px 300px at 20% 0%, rgba(var(--accent-rgb), .25), transparent 60%),
    radial-gradient(700px 300px at 80% -10%, rgba(255,255,255,.06), transparent 60%);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.hero::before,
.hero::after{
  content:""; position:absolute; inset:auto; filter: blur(40px); z-index:-1; pointer-events:none;
}
.hero::before{
  width:38vw; height:36vh; left:5%; top:-6%;
  background: radial-gradient(closest-side, var(--accent-2), transparent 70%);
  opacity:.18;
}
.hero::after{
  width:36vw; height:32vh; right:8%; top:-10%;
  background: radial-gradient(closest-side, var(--accent), transparent 70%);
  opacity:.14;
}


/* === Fix: prevent hero glow from bleeding below section === */
.hero{overflow:hidden}

/* Soften and raise the glow a bit */
.hero::before{top:-12%; height:26vh; opacity:.12}
.hero::after{top:-14%; height:24vh; opacity:.10}

/* --- Unify BUY button style on all card templates --- */
#products-grid button.buy,
#products-grid .product-card .buy,
#products-grid .card.product .buy {
  appearance: none;
  border: 0;
  background:
    radial-gradient(120% 150% at 50% 0, rgba(255,255,255,.08), transparent 60%),
    linear-gradient(180deg, #ff6a55, #ff2e1b);
  color: #fff;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255,60,35,.28),
    0 10px 24px rgba(255,40,20,.35),
    inset 0 1px 0 rgba(255,255,255,.15);
  transition: transform .15s ease, box-shadow .25s ease, filter .25s ease;
  cursor: pointer;
}

#products-grid button.buy:hover { transform: translateY(-1px); }
#products-grid button.buy:active { transform: translateY(0); filter: brightness(.98); }

/* (اختياري) توحيد شكل الكارت القديم لو ظهر: */
#products-grid .card.product {
  background: rgba(13,13,18,.7);
  border: 1px solid rgba(255,60,35,.18);
  border-radius: 22px;
  box-shadow: 0 0 40px rgba(255,60,35,.08), 0 0 0 1px rgba(255,60,35,.08) inset;
  padding: 14px;
  min-height: 380px;
}
/* Red glow animation */