/* assets/css/styles.css */
:root{
  --primary:#0f766e;
  --bg:#0b1416;
  --card:#0f1b20;
  --text:#e6f1f3;
  --muted:#9fb4ba;
  --white:#ffffff;
}
*{box-sizing:border-box}
html{font-family:'Tajawal',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; scroll-behavior:smooth}
body{margin:0;background:#071014;color:var(--text);line-height:1.9}
a{color:var(--text);text-decoration:none}
.container{max-width:1100px;margin:auto;padding:16px}
.site-header{position:sticky;top:0;z-index:10;background:#071014aa;backdrop-filter:blur(8px);border-bottom:1px solid #0f1b20}
.site-header .container{display:flex;gap:16px;align-items:center;justify-content:space-between}
.logo{font-weight:800;font-size:20px}
.nav a{margin-inline:8px;opacity:.9}
.nav a:hover{opacity:1}
.cta .btn{margin-inline:6px}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid #18414a}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:var(--white);border-color:transparent}
.btn-outline{background:transparent}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:32px 0}
.hero-text h1{font-size:40px;margin:0 0 8px}
.hero-img{width:100%;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.features .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid #16262c;border-radius:18px;padding:16px}
.page h1{margin-top:6px}
.check li{margin:6px 0}
.muted{color:var(--muted)}
.list{list-style:none;padding:0;margin:0}
.copy{opacity:.6}
.cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card.product img{border-radius:12px}
.price{margin-top:6px;font-weight:700}
.form{display:grid;gap:12px;max-width:640px}
.form input,.form textarea{width:100%;padding:12px;border-radius:12px;border:1px solid #163139;background:#0a1519;color:var(--text)}
.alert{padding:12px;border-radius:12px}
.alert.success{background:#0d1f1b;border:1px solid #114235}
.site-footer{border-top:1px solid #0f1b20;margin-top:48px;padding:24px 0}
.cta-strip{background:#0f1b20;border:1px solid #16262c;border-radius:18px;padding:14px 18px;margin:20px 0;text-align:center}

@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .features .grid-3{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .hero-text h1{font-size:30px}
}