:root{
    /* Premium palette inspired by safe ray LABEL.jpg */
    --primary: #D4AF37; /* Metallic Gold */
    --primary-hover: #AA7C11;
    --dark: #03081E; /* Deep Navy Blue background */
    --card: #0A122C; /* Contrast Navy for elements */
    --text: #ffffff;
    --muted: #94a3b8;
    --border: rgba(212, 175, 55, 0.15); /* Soft gold border */
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Inter',sans-serif;
    background:var(--dark);
    color:var(--text);
    line-height:1.6;
}

.container{
    width:min(1200px,90%);
    margin:auto;
}

header{
    padding:24px 0;
    position:fixed;
    width:100%;
    top:0;
    backdrop-filter:blur(12px);
    background:rgba(3, 8, 30, 0.8);
    border-bottom:1px solid var(--border);
    z-index:100;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    font-size:28px;
    font-weight:800;
    letter-spacing:.5px;
    display: flex;
}

.logo span{
    color:var(--primary);
}

.logo img{
    width: 100px;
}

.menu{
	gap: 30px;
	display: flex;
	align-items: center;
}

.menu .link{
	color: #fff; 
	text-decoration: none;
}
.btn{
    display:inline-block;
    padding:14px 28px;
    border-radius:12px;
    text-decoration:none;
    transition:.3s ease;
    font-weight: 600;
}

.btn-primary{
    background: linear-gradient(135deg, var(--primary), #AA7C11);
    color: #03081E;
}

.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

/* --- Hero Layout --- */
.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    text-align:center;
    position: relative;
    padding-top: 100px;
    background:
    linear-gradient(to bottom, rgba(3, 8, 30, 0.88), rgba(3, 8, 30, 0.75)),
    radial-gradient(circle at top right, rgba(212, 175, 55, 0.1) 0%, transparent 45%),
    url('/images/DSC02631.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
}

.hero .container {
    z-index: 2;
}

.hero h1{
    font-size:clamp(42px,7vw,62px);
    font-weight:800;
    line-height:1.05;
    margin-bottom:20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #D4AF37 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p{
    max-width:700px;
    margin:auto;
    color:var(--muted);
    font-size:20px;
    text-shadow: 0 2px 10px rgba(3, 8, 30, 0.8);
}

.hero-buttons{
    margin-top:40px;
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
}

.hero-badge{
    display:inline-block;
    padding:10px 18px;
    border:1px solid var(--border);
    border-radius:999px;
    color:var(--primary);
    background: rgba(3, 8, 30, 0.6);
    backdrop-filter: blur(4px);
    margin-bottom:24px;
}

section{
    padding:100px 0;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    margin-bottom:12px;
}

.section-title p{
    color:var(--muted);
}

.grid{
    display:grid;
    gap:24px;
}

.features{
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}

.card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:20px;
    padding:30px;
    transition: 0.3s;
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.card h3{
    margin-bottom:12px;
    color: var(--primary);
}

.card p{
    color:var(--muted);
}

/* --- Stacked Images Section Layout --- */
.product-showcase {
    background: rgba(10, 18, 44, 0.4);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.image-stack {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.showcase-frame {
    width: 100%;
    max-width: 1000px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.showcase-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
}

/* --- آپدیت جدید: گالری کارت‌های روی‌هم و انباشته (Stacked Fan Gallery) --- */
/* --- بخش گالری (دسکتاپ: باز و بادبزنی) --- */
.gallery-showcase {
    background: rgba(3, 8, 30, 0.5);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.stack-wrapper {
    position: relative;
    max-width: 450px;
    height: 400px;
    margin: 40px auto 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer; /* اضافه شدن نشانه کلیک */
}

.stack-card {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 24px;
    padding: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.1), border-color 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-origin: bottom center;
}

.stack-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}

.stack-card:nth-child(1) { transform: translateX(-160px) rotate(-10deg); z-index: 4; border-color: var(--primary); }
.stack-card:nth-child(2) { transform: translateX(-50px) rotate(-3deg) translateY(-10px); z-index: 3; }
.stack-card:nth-child(3) { transform: translateX(50px) rotate(3deg) translateY(-10px); z-index: 2; }
.stack-card:nth-child(4) { transform: translateX(160px) rotate(10deg); z-index: 1; border-color: var(--primary); }

.stack-card:nth-child(1):hover { transform: translateX(-160px) rotate(-10deg) scale(1.08); z-index: 10; border-color: var(--primary) !important; box-shadow: 0 25px 60px rgba(212, 175, 55, 0.25); }
.stack-card:nth-child(2):hover { transform: translateX(-50px) rotate(-3deg) translateY(-10px) scale(1.08); z-index: 10; border-color: var(--primary) !important; box-shadow: 0 25px 60px rgba(212, 175, 55, 0.25); }
.stack-card:nth-child(3):hover { transform: translateX(50px) rotate(3deg) translateY(-10px) scale(1.08); z-index: 10; border-color: var(--primary) !important; box-shadow: 0 25px 60px rgba(212, 175, 55, 0.25); }
.stack-card:nth-child(4):hover { transform: translateX(160px) rotate(10deg) scale(1.08); z-index: 10; border-color: var(--primary) !important; box-shadow: 0 25px 60px rgba(212, 175, 55, 0.25); }

/* تغییر چیدمان لایه‌ها هنگام هاور روی تک کارت‌ها */
.stack-card:hover {
    z-index: 10 !important;
    border-color: var(--primary) !important;
    scale: 1.05;
}

/* --- Product Layout Styles with Real Image Support --- */
.product{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
}

.product-image{
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(10, 18, 44, 0.8));
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 16px;
}

.product-info h2{
    font-size:48px;
    margin-bottom:20px;
}

.product-info p{
    color:var(--muted);
    margin-bottom:30px;
}

.specs{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
}

.spec{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:14px;
    padding:18px;
}

.spec strong{
    display:block;
    color:var(--primary);
}

.cta{
    text-align:center;
    padding:120px 0;
}

.cta-box{
    background:linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(10, 18, 44, 0.6));
    border:1px solid var(--border);
    border-radius:30px;
    padding:80px 30px;
}

footer{
    border-top:1px solid var(--border);
    text-align:center;
    padding:40px 0;
    color:var(--muted);
}

@media(max-width:900px){
	.nav {
	  flex-direction: column;
	}
	.menu a {
	  background: transparent;
	  padding: 0;
	  color: #fff;
	  margin-top: 15px;
	}
    .product{
        grid-template-columns:1fr;
    }
    .product-info h2{
        font-size:38px;
    }
    .hero h1{
        font-size:30px;
    }
    .specs{
        grid-template-columns:1fr;
    }
    .hero{
        background-attachment: scroll;
        top: 65px;
    }
    .image-stack {
        gap: 24px;
    }
    .showcase-frame {
        padding: 6px;
    }
    /* بهینه‌سازی گالری انباشته در موبایل برای جلوگیری از بیرون‌زدگی */
    .stack-wrapper {
        max-width: 280px;
        height: 320px;
    }
    
    /* حذف تمام حالت‌های هاور مزاحم در موبایل و فیکس کردن کارت‌ها روی هم */
    .stack-card, 
    .stack-card:nth-child(1), .stack-card:nth-child(2), .stack-card:nth-child(3), .stack-card:nth-child(4),
    .stack-card:nth-child(1):hover, .stack-card:nth-child(2):hover, .stack-card:nth-child(3):hover, .stack-card:nth-child(4):hover {
        transform: translateX(0) translateY(0) rotate(0deg) scale(1);
        border-color: var(--border) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    
    /* افکت بصری خیلی نرم موقع لمس کل مجموعه کارت */
    .stack-wrapper:active .stack-card {
        transform: scale(0.97);
    }
}