:root{
  --bg:#ffffff;
  --text:#0b0b0b;
  --muted:#6b7280;
  --line:#e7e7ea;
  --card:#fafafa;
  --accent:#1f5aa6;   /* لمسة واحدة */
  --shadow: 0 10px 30px rgba(0,0,0,.06);
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}

a{color:inherit; text-decoration:none}
button{font-family:inherit}

.container{
  width:min(1100px, 92%);
  margin-inline:auto;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.header__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:14px;
}

.brand{
  font-weight:700;
  font-size:18px; /* صغير */
  letter-spacing:.2px;
}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
}

.nav__link{
  font-size:14px;
  color:var(--muted);
  padding:6px 8px;
  border-radius:10px;
}
.nav__link:hover{color:var(--text); background:#f3f4f6}

.nav__toggle{
  display:none;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  padding:8px 10px;
  font-size:18px;
  cursor:pointer;
}

/* Sections */
.section{padding:56px 0}
.section--hero{padding:70px 0 46px}
.section__head{margin-bottom:18px}
.section__title{
  margin:0 0 6px;
  font-size:24px;
}
.section__desc{
  margin:0;
  color:var(--muted);
  font-size:15px;
}

.hero__title{
  margin:0 0 10px;
  font-size:40px;
  letter-spacing:-.4px;
}
.hero__subtitle{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:680px;
}
.hero__cta{
  display:flex;
  gap:12px;
  margin-top:18px;
  flex-wrap:wrap;
}

/* Grid + Cards */
.grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:16px;
  margin-top:16px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
  display:flex;
  flex-direction:column;
  min-height: 240px;
}

.card__top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}

.card__title{
  margin:0;
  font-size:18px;
}

.price-line{
  text-align:left;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:2px;
}
.price-line__label{font-size:12px; color:var(--muted)}
.price-line__value{font-size:16px; font-weight:700; color:var(--accent)}

.card__text{
  margin:12px 0 14px;
  color:var(--muted);
  font-size:14px;
}

.chips{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:10px;
}
.chip{
  font-size:12px;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:#374151;
}

.card__actions{margin-top:auto}

/* Detail */
.section--detail{
  padding-top:46px;
  border-top:1px solid var(--line);
}

.detail{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.detail__head{margin-bottom:12px}
.detail__title{margin:0 0 6px; font-size:22px}
.detail__lead{margin:0; color:var(--muted); font-size:14.5px}

.detail__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
  margin-top:14px;
}

.detail__box{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:var(--radius);
  padding:14px;
}

.detail__h{margin:0 0 8px; font-size:14px}
.detail__p{margin:0 0 10px; color:#374151; font-size:14px}

.list{
  margin:0 0 10px;
  padding:0 18px 0 0;
  color:#374151;
  font-size:14px;
}
.list li{margin:4px 0}

.note{
  margin-top:10px;
  padding:10px 12px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:14px;
  font-size:13px;
  color:#111827;
}

/* Fields */
.field{display:block; margin-bottom:12px}
.field__label{display:block; font-size:12px; color:var(--muted); margin-bottom:6px}
.field__control{
  width:100%;
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 12px;
  background:#fff;
  font-size:14px;
}

.qty{
  display:flex;
  gap:8px;
  align-items:center;
}
.qty__btn{
  width:40px;
  height:40px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-size:18px;
}
.qty__input{
  width:100%;
  height:40px;
  border-radius:14px;
  border:1px solid var(--line);
  padding:0 12px;
  font-size:14px;
  text-align:center;
  background:#fff;
}

.total{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  margin:8px 0 12px;
}
.total__label{font-size:13px; color:var(--muted)}
.total__value{font-size:16px; font-weight:800; color:var(--accent)}

.small{margin:8px 0 0; font-size:12px; color:var(--muted)}
.back{margin-top:12px}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:14px;
  padding:10px 14px;
  border:1px solid transparent;
  cursor:pointer;
  font-size:14px;
  user-select:none;
}
.btn--primary{
  background:var(--accent);
  color:#fff;
}
.btn--primary:hover{filter:brightness(.95)}
.btn--ghost{
  background:#fff;
  border-color:var(--line);
  color:#111827;
}
.btn--ghost:hover{background:#f3f4f6}
.btn--full{width:100%}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  margin-top:30px;
}
.footer__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--muted);
  font-size:13px;
}
.footer__link{color:var(--accent)}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:100;
}
.modal.is-open{display:flex}
.modal__card{
  width:min(520px, 96%);
  background:#fff;
  border-radius:18px;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  padding:18px;
  text-align:center;
}
.modal__icon{
  width:46px;
  height:46px;
  margin:0 auto 10px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:#eef5ff;
  color:var(--accent);
  font-weight:900;
}
.modal__title{margin:0 0 6px; font-size:18px}
.modal__text{margin:0 0 12px; color:var(--muted); font-size:14px}
.modal__actions{
  display:flex;
  gap:10px;
  justify-content:center;
  flex-wrap:wrap;
}
.modal__hint{margin:10px 0 0; font-size:12px; color:var(--muted)}

/* Responsive */
@media (max-width: 920px){
  .grid{grid-template-columns:1fr}
  .hero__title{font-size:32px}
  .detail__grid{grid-template-columns:1fr}
}

@media (max-width: 760px){
  .nav__toggle{display:inline-flex}
  .nav{
    display:none;
    position:absolute;
    top:56px;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:10px 4%;
    gap:8px;
    flex-wrap:wrap;
  }
  .nav.is-open{display:flex}
}