/* ===== Enhanced Header Design ===== */
.header {
    background: linear-gradient(135deg, #0d3b66 0%, #1a568c 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
}

/* Top Contact Bar */
.top-contact-bar {
    background: #f4d35e;
    padding: 8px 0;
    font-size: 14px;
    color: #1a1a2e;
    font-weight: 600;
}

.top-contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.top-contact-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-contact-info i {
    color: #0d3b66;
}

.top-social-links {
    display: flex;
    gap: 15px;
}

.top-social-links a {
    color: #1a1a2e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.top-social-links a:hover {
    color: #0d3b66;
}

/* Main Header */
.main-header {
    background: white;
    padding: 15px 0;
    box-shadow: 0 1px 5px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.main-logo {
    width: 180px;
    height: auto;
}

.company-name {
    display: flex;
    flex-direction: column;
}

.company-name h1 {
    font-size: 24px;
    color: #0d3b66;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.company-name p {
    font-size: 14px;
    color: #666;
    margin: 0;
    font-weight: 500;
}

.contact-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone-hotline {
    background: #ee964b;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(238, 150, 75, 0.3);
}

.phone-hotline:hover {
    background: #e08535;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(238, 150, 75, 0.4);
}

.business-tag {
    background: #0d3b66;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* Modern Navigation */
.modern-nav {
    background: linear-gradient(135deg, #0d3b66 0%, #1a568c 100%);
    padding: 0;
    box-shadow: 0 4px 20px rgba(13, 59, 102, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 60px;
}

.nav-logo a {
    color: white;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.nav-logo h2 {
    font-size: 20px;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.nav-logo p {
    font-size: 12px;
    margin: 0;
    opacity: 0.9;
    font-weight: 500;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.nav-menu ul li {
    position: relative;
}

.nav-menu ul li a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 0 15px;
    font-weight: 600;
    font-size: 14px;
    line-height: 60px;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 4px;
}

.nav-menu ul li a:hover,
.nav-menu ul li a.active {
    background: rgba(255,255,255,0.2);
    color: #f4d35e;
}

.nav-menu ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: #f4d35e;
    transition: width 0.3s ease;
}

.nav-menu ul li a:hover::after,
.nav-menu ul li a.active::after {
    width: 80%;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #0d3b66;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border-radius: 8px;
    overflow: hidden;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    padding: 12px 20px;
    font-size: 14px;
    line-height: 1.4;
    border-radius: 0;
}

.dropdown-menu li a:hover {
    background: rgba(244, 211, 94, 0.2);
    color: #f4d35e;
}

.nav-contact {
    display: flex;
    align-items: center;
}

.btn-call {
    background: #f4d35e;
    color: #1a1a2e;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-call:hover {
    background: #e8c542;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(244, 211, 94, 0.3);
}

.mobile-toggle {
    display: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .top-contact-info {
        gap: 10px;
        font-size: 12px;
    }
    
    .phone-hotline {
        padding: 8px 16px;
        font-size: 16px;
    }
    
    .company-name h1 {
        font-size: 20px;
    }
    
    .nav-menu ul li a {
        padding: 0 12px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .top-contact-bar {
        display: none;
    }
    
    .header-container {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .contact-section {
        width: 100%;
        justify-content: center;
    }
    
    .phone-hotline {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 15px;
    }
    
    .nav-logo {
        text-align: center;
        margin-bottom: 15px;
    }
    
    .nav-menu {
        width: 100%;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu ul li a {
        line-height: 50px;
        text-align: center;
        border-radius: 0;
    }
    
    .mobile-toggle {
        display: block;
        position: absolute;
        top: 15px;
        right: 20px;
    }
    
    .nav-menu ul {
        display: none;
    }
    
    .nav-menu.active ul {
        display: flex;
    }
}

@media (max-width: 480px) {
    .company-name h1 {
        font-size: 18px;
    }
    
    .business-tag {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .btn-call {
        font-size: 13px;
        padding: 6px 16px;
    }
}