* {margin:0; padding:0; box-sizing:border-box; font-family:"Segoe UI", Tahoma, sans-serif;}
    html, body {height:100%; display:flex; flex-direction:column;}
    body {overflow-x:hidden; background:#f0f2f5;}
    a{text-decoration:none;}

    /* ===== NAVBAR ===== */
    .navbar {
        position: fixed;
        top: 0; left: 0;
        width: 100%;
        height: 80px;
        background-color: rgb(192,192,192);
        font-weight: bold;
        padding: 0 50px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #fff;
        z-index: 100;
    }

    /* لوگو و نام */
    .brand-logo {
        height: 55px;
        width: auto;
        display: block;
    }
    .company-name {
        display: flex;
        flex-direction: column;
        justify-content: center;
        line-height: 1.2;
    }
    .main-name {
        font-size: 24px;
        font-weight: 500;
        color: #191970;
        letter-spacing: 0.5px;
    }
    .sub-name {
        font-size: 11px;
        font-weight: 400;
        color: #fff;
        opacity: 0.85;
    }
    .navbar-left {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-left: -37px;
    }

    /* منوی دسکتاپ */
    .navbar .menu {
        display: flex;
        align-items: center;
        margin-left: auto;
    }
    .navbar .menu a {
        margin-left: 15px;
        margin-right: 20px;
        text-decoration: none;
        color: #191970;
        font-size: 15px;
        font-weight: bold;
        transition: color 0.3s;
    }
    .navbar .menu a:hover { color: #fff; }
    .menu a.active {
        color: #191970;
        position: relative;
    }
    .menu a.active:hover { color: #fff; }
    .menu a.active::after {
        content: "";
        position: absolute;
        bottom: -6px;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #191970;
    }

    /* ===== HAMBURGER (موبایل) - استایل مدرن و شیشه‌ای ===== */
    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 26px;
        cursor: pointer;
        z-index: 9999;
    }
    .hamburger span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: #191970;
        border-radius: 6px;
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    /* ===== MAIN CONTENT ===== */
    main {flex:1; margin-top:100px; display:flex; justify-content:center; align-items:center; padding:20px;}

    /* ===== CONTACT LAYOUT CENTERED ===== */
    .contact-container {
        display:flex;
        gap:40px;
        flex-wrap:wrap;
        justify-content:center;
        align-items:center;
    }
    .contact-box {
        background:#fff;
        border-radius:12px;
        padding:30px;
        box-shadow:0 12px 30px rgba(0,0,0,0.1);
        width:400px;
        height:400px;
        display:flex;
        flex-direction:column;
        justify-content:flex-start;
    }
    .company-info {display:flex; flex-direction:column; gap:20px;}
    .company-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 10px;
    }
    .company-header .brand-logo {
        height: 50px;
        width: auto;
    }
    .company-header .company-name {
        display: flex;
        flex-direction: column;
        justify-content: center;
        line-height: 1.2;
    }
    .company-header .main-name {
        font-size: 18px;
        font-weight: 700;
        color: #191970;
    }
    .company-header .sub-name {
        font-size: 12px;
        font-weight: 400;
        color: #191970;
        opacity: 0.85;
    }
    .contact-item {display:flex; align-items:center; gap:10px; font-size:16px; color:#191970;}
    .contact-item i {color:#191970; font-size:18px;}
    .contact-item a{
         color:#191970;
    text-decoration:none;
    }
    .contact-item a:hover{
    text-decoration:underline;
}
    .social-icons {display:flex; gap:20px; margin-top:10px;}
    .social-icons i {font-size:24px; color:#191970; cursor:pointer; transition:all 0.3s;}
    .social-icons i:hover {color:#333;}
    .social-icons a{
    color:#191970;
    transition:all .3s;
}

.social-icons a:hover{
    color:#333;
}

.social-icons i{
    font-size:24px;
}

    .contact-map iframe {width:100%; height:100%; border-radius:12px; border:0;}
/* ===== CONTACT FORM ===== */

    /* ===== FOOTER ===== */
    .site-footer {background:#191970; color:#fff; text-align:center; padding:25px 20px; font-size:14px; font-weight:500; margin-top:auto;}

    /* ===== CUSTOM SCROLLBAR ===== */
    ::-webkit-scrollbar { width: 10px; }
    ::-webkit-scrollbar-track { background: #f1f1f1; }
    ::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #191970, #3b3bb3); border-radius: 10px; }
    ::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #3b3bb3, #191970); }
    * { scrollbar-width: thin; scrollbar-color: #191970 #f1f1f1; }

    /* ===== RESPONSIVE (موبایل) با منوی همبرگری شیشه‌ای مدرن ===== */
    @media(max-width:900px){
        .navbar {
            padding: 12px 20px;
            height: auto;
            flex-wrap: wrap;
        }
        .navbar-left {
            margin-left: 0;
            gap: 10px;
        }
        .brand-logo { height: 48px; margin-left: 0; }
        .main-name { font-size: 18px; }
        .sub-name { font-size: 10px; }

        /* همبرگر زیبا */
        .hamburger {
            display: flex;
            position: relative;
            right: 0;
            top: 0;
            margin-left: auto;
        }
        .hamburger span {
            background-color: #191970;
        }
        /* حالت باز (تبدیل به ضربدر طلایی) */
        .hamburger.open span:nth-child(1) {
            transform: translateY(11px) rotate(45deg);
            background-color: #B8860B;
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-11px) rotate(-45deg);
            background-color: #B8860B;
        }

        /* منوی موبایل: شیشه‌ای، مدرن، با انیمیشن */
        .navbar .menu {
            position: fixed;
            top: 85px;
            left: 20px;
            right: 20px;
            background: rgba(25, 25, 112, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 32px;
            padding: 20px 0;
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 25px 40px rgba(0, 0, 0, 0.3);
            transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-25px) scale(0.96);
            z-index: 1000;
            display: flex !important;
            width: auto !important;
            max-width: none;
            margin: 0;
        }
        .navbar .menu.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0) scale(1);
        }
        .navbar .menu a {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            padding: 14px 24px;
            margin: 0;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.25s ease;
            letter-spacing: 0.5px;
        }
        .navbar .menu a:last-child {
            border-bottom: none;
        }
        .navbar .menu a:hover,
        .navbar .menu a:active {
            background: rgba(184, 134, 11, 0.2);
            color: #B8860B;
            border-radius: 28px;
            margin: 0 12px;
            transform: scale(1.02);
        }
        .menu a.active {
            color: #B8860B;
        }
        .menu a.active::after {
            display: none;
        }

        /* چیدمان صفحات تماس */
        .contact-container { flex-direction: column; align-items: center; }
        .contact-box { width: 90%; height: auto; }
        .site-footer { font-size: 11px; }
    }

    @media (max-width: 480px) {
        .site-footer { font-size: 10px; }
    }