:root{
  --navy:#0F2A44;
  --navy-2:#173A5E;
  --white:#FFFFFF;
  --gray-bg:#F4F6F8;
  --gray-border:#E3E8EE;
  --gray-text:#5B6B7C;
  --orange:#F5821F;
  --orange-dark:#D96A0F;
  --green:#1C8A4B;
  --red:#C0392B;
  --amber:#C98A1A;
  --radius:14px;
  --shadow:0 6px 20px rgba(15,42,68,.08);
  --shadow-lg:0 14px 40px rgba(15,42,68,.16);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Vazirmatn',Tahoma,sans-serif;
  background:var(--gray-bg);
  color:var(--navy);
  direction:rtl;
  line-height:1.7;
}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}

/* دکمه‌ها */
.btn{
  border:none;cursor:pointer;font-family:inherit;font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:10px;transition:.2s ease;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1.5px solid var(--gray-border);color:var(--navy);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-dark);}
.btn-full{width:100%;margin-top:6px;}

/* هدر */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--navy);
  box-shadow:var(--shadow);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;background:var(--orange);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
}
.main-nav{display:flex;gap:28px;}
.nav-link{color:#C9D6E3;font-weight:500;font-size:15px;padding:8px 2px;border-bottom:2px solid transparent;transition:.2s;}
.nav-link:hover,.nav-link.active{color:#fff;border-color:var(--orange);}
.header-actions{display:flex;align-items:center;gap:14px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;}
.hamburger span{width:24px;height:2px;background:#fff;border-radius:2px;}

/* هیرو */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 60%,#1F4A73 100%);
  color:#fff;padding:80px 0 60px;
}
.hero-lane{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,transparent 0 40px,rgba(245,130,31,.35) 40px 70px);
  height:6px;top:auto;bottom:0;
  opacity:.9;
}
.hero-inner{position:relative;text-align:center;max-width:720px;}
.eyebrow{color:var(--orange);font-weight:600;letter-spacing:.5px;margin-bottom:14px;font-size:14px;}
.hero h1{font-size:42px;font-weight:800;margin-bottom:16px;}
.hero-sub{color:#C9D6E3;font-size:17px;margin-bottom:36px;}
.hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;align-items:center;}
.stat-num{font-size:28px;font-weight:800;color:var(--orange);}
.stat-label{font-size:13px;color:#C9D6E3;margin-top:4px;}

/* بخش‌ها */
.section-head{text-align:center;margin:56px 0 28px;}
.section-head h2{font-size:26px;font-weight:800;}
.section-head p{color:var(--gray-text);margin-top:6px;font-size:14px;}

/* برندها */
.brands-grid{
  display:grid;grid-template-columns:repeat(7,1fr);gap:14px;
}
.brand-chip{
  background:#fff;border:1.5px solid var(--gray-border);border-radius:12px;
  padding:18px 8px;text-align:center;cursor:pointer;transition:.2s;font-weight:600;font-size:14px;
}
.brand-chip:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow);}
.brand-chip.active{background:var(--navy);color:#fff;border-color:var(--navy);}

/* فیلترها */
.filters-section{margin-top:56px;}
.filters-card{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px;margin-bottom:28px;
}
.filters-top{display:flex;gap:14px;margin-bottom:18px;}
.search-input,.sort-select,select,input[type=text],input[type=number],input[type=tel],textarea{
  font-family:inherit;font-size:14px;padding:11px 14px;border:1.5px solid var(--gray-border);
  border-radius:10px;background:#fff;color:var(--navy);width:100%;
}
.search-input:focus,.sort-select:focus,select:focus,input:focus,textarea:focus{
  outline:none;border-color:var(--orange);
}
.search-input{flex:1;}
.sort-select{max-width:220px;}
.filters-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;
}
.filter-field label{display:block;font-size:13px;color:var(--gray-text);margin-bottom:6px;font-weight:600;}
.price-inputs{display:flex;align-items:center;gap:8px;}
.price-inputs span{color:var(--gray-text);font-size:13px;}
.reset-field{display:flex;align-items:end;}

.results-head{margin:8px 0 18px;}
.results-head h3{font-size:18px;font-weight:700;}
.results-head span{color:var(--orange-dark);}

/* گرید خودروها */
.cars-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px;
}
.car-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  cursor:pointer;transition:.25s ease;display:flex;flex-direction:column;
}
.car-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.car-img-wrap{position:relative;height:180px;overflow:hidden;background:var(--gray-bg);}
.car-img-wrap img{width:100%;height:100%;object-fit:cover;}
.status-badge{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:20px;
  font-size:12px;font-weight:700;color:#fff;
}
.status-available{background:var(--green);}
.status-sold{background:var(--red);}
.status-reserved{background:var(--amber);}
.car-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.car-title{font-size:17px;font-weight:700;}
.car-trim{color:var(--gray-text);font-size:13px;margin-top:-4px;}
.car-specs{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--gray-text);}
.car-specs span{background:var(--gray-bg);padding:4px 10px;border-radius:8px;}
.car-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;border-top:1px dashed var(--gray-border);}
.car-price{font-weight:800;color:var(--navy);font-size:15px;}
.car-price small{font-weight:500;color:var(--gray-text);font-size:12px;}
.view-btn{background:var(--gray-bg);color:var(--navy);border:none;padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s;}
.view-btn:hover{background:var(--orange);color:#fff;}

.empty-state{text-align:center;padding:60px 20px;color:var(--gray-text);}
.empty-state p{font-size:22px;margin-bottom:8px;}

/* درباره ما */
.about-section{margin:60px 0;}
.about-text{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:36px;max-width:800px;margin:0 auto;text-align:center;}
.about-text h2{font-size:24px;margin-bottom:14px;}
.about-text p{color:var(--gray-text);}
.about-list{display:flex;justify-content:center;gap:24px;margin-top:20px;flex-wrap:wrap;}
.about-list li{font-size:13px;color:var(--navy);font-weight:600;background:var(--gray-bg);padding:8px 14px;border-radius:8px;}

/* فوتر */
.site-footer{background:var(--navy);color:#C9D6E3;margin-top:60px;padding-top:48px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:32px;}
.footer-logo{color:#fff;margin-bottom:10px;}
.footer-col h4{color:#fff;margin-bottom:14px;font-size:15px;}
.footer-col p{font-size:13px;margin-bottom:6px;}
.social-links{display:flex;flex-direction:column;gap:8px;}
.social-links a{font-size:13px;color:#C9D6E3;transition:.2s;}
.social-links a:hover{color:var(--orange);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);text-align:center;padding:18px;font-size:12px;color:#8FA3B8;
}

/* مودال‌ها */
.modal-overlay{
  position:fixed;inset:0;background:rgba(15,42,68,.55);display:none;
  align-items:center;justify-content:center;z-index:200;padding:20px;
}
.modal-overlay.open{display:flex;}
.modal{
  background:#fff;border-radius:var(--radius);max-width:640px;width:100%;
  max-height:88vh;overflow-y:auto;padding:32px;position:relative;
}
.modal-close{
  position:absolute;top:16px;left:16px;background:var(--gray-bg);border:none;
  width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:15px;color:var(--navy);
}
.modal h2{font-size:20px;margin-bottom:20px;}

/* جزئیات خودرو */
.detail-gallery{height:280px;border-radius:12px;overflow:hidden;margin-bottom:20px;background:var(--gray-bg);}
.detail-gallery img{width:100%;height:100%;object-fit:cover;}
.detail-thumbs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap;}
.detail-thumbs .thumb{width:64px;height:48px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent;opacity:.7;transition:.2s;}
.detail-thumbs .thumb:hover{opacity:1;}
.detail-thumbs .thumb.active{border-color:var(--orange);opacity:1;}
.detail-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.detail-header h2{font-size:22px;}
.detail-price{font-size:20px;font-weight:800;color:var(--orange-dark);}
.detail-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0;}
.detail-spec{background:var(--gray-bg);border-radius:10px;padding:12px;text-align:center;}
.detail-spec .label{font-size:12px;color:var(--gray-text);margin-bottom:4px;}
.detail-spec .value{font-weight:700;font-size:14px;}
.detail-section{margin-top:20px;}
.detail-section h4{font-size:15px;margin-bottom:8px;}
.detail-section p{color:var(--gray-text);font-size:14px;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;}
.feature-tags span{background:var(--gray-bg);padding:6px 12px;border-radius:8px;font-size:12px;}
.detail-contact{display:flex;gap:12px;margin-top:24px;}

/* فرم */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.field-hint{display:block;font-size:11px;color:var(--gray-text);margin-top:4px;}
textarea{resize:vertical;}

/* توست */
.toast{
  position:fixed;bottom:24px;right:24px;background:var(--navy);color:#fff;
  padding:14px 22px;border-radius:10px;box-shadow:var(--shadow-lg);
  font-size:14px;font-weight:600;opacity:0;transform:translateY(20px);
  transition:.3s ease;pointer-events:none;z-index:300;
}
.toast.show{opacity:1;transform:translateY(0);}

/* واکنش‌گرا */
@media(max-width:960px){
  .brands-grid{grid-template-columns:repeat(4,1fr);}
  .cars-grid{grid-template-columns:repeat(2,1fr);}
  .filters-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:720px){
  .main-nav{
    position:absolute;top:72px;right:0;left:0;background:var(--navy);
    flex-direction:column;padding:16px 24px;gap:0;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);}
  .hamburger{display:flex;}
  .hero h1{font-size:30px;}
  .hero-stats{gap:28px;}
  .brands-grid{grid-template-columns:repeat(3,1fr);}
  .cars-grid{grid-template-columns:1fr;}
  .filters-grid{grid-template-columns:1fr;}
  .filters-top{flex-direction:column;}
  .sort-select{max-width:none;}
  .form-row{grid-template-columns:1fr;}
  .detail-specs{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;text-align:center;}
  .about-list{flex-direction:column;align-items:center;}
}