/* ==========================================
   গ্লোবাল রিসেট ও কালার ভ্যারিয়েবল
   ========================================== */
:root {
    --primary-blue: #0A3C7E;
    --navy-dark: #072652;
    --accent-orange: #F2994A;
    --text-color: #333333;
    --text-muted: #666666;
    --white: #ffffff;
}

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

body {
    font-family: 'Noto Sans Bengali', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   হেডার মেইন স্টাইল
   ========================================== */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}

/* লোগো ডিজাইন */
.logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.logo-text h2 {
    font-size: 19px;
    color: var(--primary-blue);
    line-height: 1.2;
    font-weight: 700;
}

.logo-text p {
    font-size: 12px;
    color: var(--text-muted);
}

/* নেভিগেশন লিংক */
.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    text-decoration: none;
    color: #444444;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-blue);
    font-weight: 700;
}

/* আবেদন বাটন */
.btn-apply {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 9px 18px;
    border-radius: 6px;
    font-weight: 600 !important;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-apply:hover {
    background-color: var(--navy-dark);
}

/* মোবাইল নেভিগেশন কন্ট্রোল */
#menu-toggle, 
.hamburger {
    display: none;
}

/* ==========================================
   রেসপন্সিভ (মোবাইল ও ট্যাবলেট ডিভাইস)
   ========================================== */
@media (max-width: 992px) {
    .hamburger {
        display: block;
        font-size: 24px;
        color: var(--navy-dark);
        cursor: pointer;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-links a {
        width: 100%;
        padding: 8px 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    #menu-toggle:checked ~ .nav-links {
        display: flex;
    }

    .btn-apply {
        width: 100%;
        text-align: center;
        margin-top: 5px;
    }
}