/* ===========================================================
   STLP — Saba Tajhiz Laleh Parseh — shared site stylesheet
   Unified design system replacing the old mixed dark-glass /
   amazon-style theme. One language across every page.
   =========================================================== */

:root{
  --bg:#faf9f6;
  --bg-dark:#0c211b;
  --ink:#12211d;
  --ink-soft:#4b5a55;
  --muted:#697a74;
  --muted-2:#8b9a94;
  --line:#e3e7e4;
  --card:#ffffff;
  --panel:#f4f6f5;
  --accent:#0fa37f;
  --accent-dark:#0b8267;
  --accent-soft:#e6f5f0;
  --danger:#c24444;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 45px -22px rgba(12,33,27,.25);
  --shadow-sm:0 10px 24px -14px rgba(12,33,27,.18);
  --maxw:1280px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:'Vazirmatn', sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }

a{ color:var(--accent); text-decoration:none; }
a:hover{ color:var(--accent-dark); }

h1,h2,h3,h4{ margin:0; line-height:1.35; font-weight:800; }
p{ margin:0; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 40px; }

@media (max-width:720px){
  .container{ padding:0 20px; }
}

/* ---------- HEADER ---------- */
header.site-header{
  background:var(--bg-dark);
  color:#f5f7f6;
  position:sticky;
  top:0;
  z-index:100;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
  gap:20px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:44px; width:auto; border-radius:10px; flex:none; }
.brand-name{ font-weight:700; font-size:18px; }
.brand-sub{ font-size:11px; color:#9db3ac; }

nav.main-nav{ display:flex; gap:26px; font-size:14px; font-weight:600; }
nav.main-nav a{ color:#e7efec; white-space:nowrap; }
nav.main-nav a:hover{ color:var(--accent); }
nav.main-nav a.active{ color:var(--accent); }

.header-right{ display:flex; align-items:center; gap:18px; flex:none; }
.header-phone{ font-size:13px; color:#cfe0da; white-space:nowrap; }
.cart-link{ position:relative; display:flex; align-items:center; }
.cart-badge{
  position:absolute; top:-8px; inset-inline-start:-8px;
  background:var(--accent); color:var(--bg-dark);
  font-size:10px; font-weight:800; width:16px; height:16px;
  border-radius:50%; display:flex; align-items:center; justify-content:center;
}

.menu-btn{ display:none; font-size:24px; cursor:pointer; color:#fff; background:none; border:none; }

#mobile-menu{
  display:none;
  position:fixed; inset:0; z-index:200;
  background:rgba(12,33,27,.6);
  backdrop-filter:blur(4px);
  align-items:flex-start; justify-content:flex-end;
}
#mobile-menu.open{ display:flex; }
#mobile-menu .sheet{
  width:78%; max-width:300px; height:100%;
  background:var(--bg-dark); padding:24px;
  display:flex; flex-direction:column; gap:6px;
}
#mobile-menu a{ color:#e7efec; padding:12px 4px; font-weight:600; border-bottom:1px solid rgba(255,255,255,.08); }
#mobile-menu .close-btn{ align-self:flex-end; color:#fff; font-size:22px; background:none; border:none; cursor:pointer; margin-bottom:10px; }

@media (max-width:900px){
  nav.main-nav{ display:none; }
  .menu-btn{ display:block; }
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:12px;
  font-weight:700;
  font-size:14.5px;
  border:none;
  cursor:pointer;
  background:var(--accent);
  color:#fff;
  transition:.2s;
}
.btn:hover{ background:var(--accent-dark); color:#fff; }
.btn-outline{
  background:#fff;
  color:var(--ink);
  border:1.5px solid var(--line);
}
.btn-outline:hover{ border-color:var(--accent); color:var(--accent-dark); background:#fff; }
.btn-dark{ background:var(--bg-dark); color:#fff; }
.btn-dark:hover{ background:#123329; color:#fff; }
.btn-sm{ padding:9px 16px; font-size:12.5px; border-radius:9px; }
.btn-block{ width:100%; }

/* ---------- CARDS / SECTIONS ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
}
.section{ padding:64px 0; }
.section-tight{ padding:40px 0; }
.section-alt{ background:#fff; border-top:1px solid #eef1ef; border-bottom:1px solid #eef1ef; }

.eyebrow{
  display:inline-block; background:var(--accent); color:#fff;
  font-size:12px; font-weight:700; padding:6px 14px; border-radius:999px;
  margin-bottom:18px;
}

.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:28px; gap:16px; flex-wrap:wrap; }
.section-title{ font-size:24px; }

.grid{ display:grid; gap:20px; }
.grid-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.grid-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
@media (max-width:900px){
  .grid-3,.grid-4{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; }
}

.badge{
  display:inline-block; color:#fff; font-size:10.5px; font-weight:700;
  padding:3px 10px; border-radius:999px;
}

/* ---------- FOOTER ---------- */
footer.site-footer{ background:var(--bg-dark); color:#cfe0da; padding:44px 0 24px; }
footer.site-footer .grid{ font-size:13px; line-height:2; }
footer.site-footer h4{ color:#fff; font-size:13.5px; margin-bottom:8px; }
footer.site-footer .muted{ color:#8fa59d; }
footer.site-footer a{ color:#cfe0da; }
footer.site-footer a:hover{ color:var(--accent); }
.footer-bottom{
  max-width:var(--maxw); margin:24px auto 0; padding:14px 40px 0;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:11.5px; color:#728a83; text-align:center;
}

/* ---------- UTILITIES ---------- */
.muted{ color:var(--muted); }
.center{ text-align:center; }
.mt-8{ margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;}
.stack{ display:flex; flex-direction:column; }
.row{ display:flex; align-items:center; }
.gap-8{gap:8px;} .gap-12{gap:12px;} .gap-16{gap:16px;} .gap-20{gap:20px;}