/* ============================================
   Modern Blue Themed Header
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    z-index: var(--z-fixed);
    background: linear-gradient(135deg, #3A8FD4 0%, #2E7BBF 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

/* Main Navigation Container */
.header-main {
    padding: 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 75px;
    padding: 0 20px;
    max-width: 100%;
    margin: 0;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    flex-shrink: 0;
    padding: var(--space-2) 0;
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(212, 175, 55, 0.5);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: var(--space-3) var(--space-4);
    display: block;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--color-accent);
}

.nav-link:hover::before {
    width: 70%;
}

.nav-link.active {
    color: #ffffff;
    font-weight: var(--font-weight-semibold);
}

.nav-link.active::before {
    width: 70%;
}

/* Mobile Menu Toggle (Hamburger Button) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: white;
    border-radius: 10px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle:hover span {
    background: var(--color-accent);
}

/* Hamburger Animation when Active */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 75px;
    left: 0;
    width: 100%;
    height: calc(100vh - 75px);
    background: linear-gradient(135deg, #3A8FD4 0%, #2E7BBF 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    overflow-y: auto;
    z-index: 999;
}

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

.mobile-menu-overlay .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) 0;
}

.mobile-menu-overlay .nav-link {
    font-size: 1.125rem;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid transparent;
    transition: all 0.3s ease;
    text-align: left;
    width: 100%;
}

.mobile-menu-overlay .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    border-left-color: var(--color-accent);
    padding-left: calc(var(--space-5) + 8px);
}

.mobile-menu-overlay .nav-link.active {
    color: var(--color-accent);
    background: rgba(212, 175, 55, 0.2);
    border-left-color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}

.mobile-menu-overlay .nav-link::before {
    display: none;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 15px;
    }

    .nav-link {
        font-size: 0.875rem;
        padding: var(--space-3);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        min-height: 70px;
    }

    .logo-text {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    /* Hide desktop menu */
    .nav-menu {
        display: none !important;
    }

    /* Show hamburger button */
    .mobile-menu-toggle {
        display: flex !important;
    }

    /* Show mobile menu overlay */
    .mobile-menu-overlay {
        display: block !important;
        top: 70px;
        height: calc(100vh - 70px);
    }

    body {
        padding-top: 70px;
    }
}

/* Body padding to prevent content hiding under fixed header */
body {
    padding-top: 75px;
}

/* Add subtle animation on page load */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header {
    animation: slideDown 0.5s ease-out;
}

/* Optional: Add glow effect on logo hover */
.logo:hover .logo-text::after {
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.8);
}