/* Modern Contemporary Header Styles */
:root {
    --primary-blue: #1e3a8a;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --secondary-grey: #374151;
    --secondary-grey-dark: #1f2937;
    --secondary-grey-light: #6b7280;
    --accent-dark: #0f172a;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #333333;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --border-radius: 12px;
}

/* Header Container */
.modern-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(42, 82, 152, 0.1);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.modern-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 32px var(--shadow-light);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    transition: height var(--transition-medium);
}

.modern-header.scrolled .header-container {
    height: 70px;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1001;
    text-decoration: none;
    transition: all var(--transition-fast);
}

a.logo-section:hover {
    transform: translateX(2px);
}

.logo-image {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    object-fit: contain;
    background: transparent;
    padding: 0;
    transition: all var(--transition-medium);
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.company-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.company-tagline {
    font-size: 0.75rem;
    color: var(--secondary-grey);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}

.nav-item {
    position: relative;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '▼';
    margin-left: 8px;
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px);
    border-radius: 16px;
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        0 0 0 1px rgba(30, 58, 138, 0.05);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px) scale(0.95);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    list-style: none;
    margin: 0;
    padding: 12px;
    margin-top: 12px;
    overflow: hidden;
}

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

.dropdown-item {
    margin: 2px 0;
}

.dropdown-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    color: var(--secondary-grey);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.dropdown-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.08), transparent);
    transition: left 0.6s ease;
}

.dropdown-link:hover::before {
    left: 100%;
}

.dropdown-link:hover {
    background: rgba(30, 58, 138, 0.06);
    color: var(--primary-blue);
    transform: translateX(4px);
    font-weight: 600;
}

.dropdown-link.active {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.1), rgba(30, 58, 138, 0.08));
    color: var(--primary-blue);
    font-weight: 700;
    transform: translateX(2px);
}

.dropdown-link.active:hover {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), rgba(30, 58, 138, 0.1));
    transform: translateX(6px);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--primary-blue);
    background: rgba(30, 58, 138, 0.05);
    transform: translateY(-1px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.3);
}

.nav-link.active:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(30, 58, 138, 0.4);
}

/* Contact CTA Button */
.contact-cta {
    background: linear-gradient(135deg, var(--secondary-grey), var(--secondary-grey-dark));
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    margin-left: 1rem;
    box-shadow: 0 4px 16px rgba(55, 65, 81, 0.3);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.contact-cta:hover::before {
    left: 100%;
}

.contact-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(55, 65, 81, 0.4);
    background: linear-gradient(135deg, var(--secondary-grey-dark), var(--secondary-grey));
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    background: rgba(42, 82, 152, 0.05);
}

.mobile-toggle:hover {
    background: rgba(42, 82, 152, 0.1);
}

.toggle-line {
    width: 24px;
    height: 3px;
    background: var(--primary-blue);
    margin: 2px 0;
    border-radius: 2px;
    transition: all var(--transition-medium);
}

.mobile-toggle.active .toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .toggle-line:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    border-bottom: 1px solid rgba(42, 82, 152, 0.1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

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

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-link {
    display: block;
    padding: 16px 20px;
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    text-align: center;
}

.mobile-nav-link:hover {
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary-blue);
}

.mobile-nav-link.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
}

.mobile-contact-cta {
    margin-top: 1rem;
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--secondary-grey), var(--secondary-grey-dark));
    color: var(--white);
    padding: 16px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
}

/* Mobile Dropdown Styles */
.mobile-dropdown {
    position: relative;
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.mobile-dropdown-toggle::after {
    content: '▼';
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.mobile-dropdown.active .mobile-dropdown-toggle::after {
    transform: rotate(180deg);
}

.mobile-dropdown-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    padding-left: 1rem;
}

.mobile-dropdown.active .mobile-dropdown-menu {
    max-height: 500px;
}

.mobile-dropdown-link {
    display: block;
    padding: 12px 20px;
    color: var(--secondary-grey);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    text-align: center;
    margin: 4px 0;
}

.mobile-dropdown-link:hover {
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary-blue);
}

.mobile-dropdown-link.active {
    background: rgba(30, 58, 138, 0.08);
    color: var(--primary-blue);
    border-left: 3px solid var(--primary-blue);
    font-weight: 700;
    position: relative;
}

.mobile-dropdown-link.active::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-blue);
    border-radius: 50%;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 1.5rem;
    }
    
    .nav-link {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .contact-cta {
        padding: 12px 24px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .main-navigation {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .header-container {
        padding: 0 1rem;
        height: 70px;
    }
    
    .logo-image {
        width: 50px;
        height: 50px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .company-tagline {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 1rem;
    }
    
    .company-tagline {
        display: none;
    }
    
    .header-container {
        padding: 0 0.75rem;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Body padding to account for fixed header */
body {
    padding-top: 80px;
}

/* Animation for page load */
.modern-header {
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}