/* ==========================================================================
   Header Styles - ONDIMP Government Website
   ========================================================================== */

.header {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    color: #0F4B91;
    position: relative;
    z-index: var(--z-header);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 24px var(--container-padding);
    display: flex;
    align-items: center;
    gap: 24px;
}

.header__logo {
    flex-shrink: 0;
}

.header__logo a {
    display: block;
    transition: opacity 0.3s ease;
}

.header__logo a:hover {
    opacity: 0.8;
}

.header__logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.header__content {
    flex: 1;
    text-align: center;
}

.header__title {
    font-family: 'Trajan-bold', 'Trajan Pro', 'Times New Roman', Georgia, serif;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
    color: #0F4B91;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.header__subtitle {
    font-family: 'Trajan-bold', 'Trajan Pro', 'Times New Roman', Georgia, serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #0F4B91;
    margin: 0;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* Language Switcher */
.header__language {
    flex-shrink: 0;
}

.language-switcher__form {
    margin: 0;
}

.language-switcher__select {
    background-color: #ffffff;
    color: #0F4B91;
    border: 2px solid #0F4B91;
    padding: 8px 36px 8px 14px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg width='14' height='8' viewBox='0 0 14 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M1 1L7 7L13 1' stroke='%230F4B91' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: all var(--transition-fast);
    min-width: 120px;
}

.language-switcher__select:hover {
    background-color: #0F4B91;
    color: #F5F5F5;
    border-color: #0F4B91;
    transform: translateY(-1px);
}

.language-switcher__select:focus {
    background-color: #ffffff;
    border-color: #0F4B91;
    box-shadow: 0 0 0 3px rgba(15, 75, 145, 0.2);
}

.language-switcher__select option {
    background-color: #ffffff;
    color: #0F4B91;
    font-weight: 500;
    padding: 8px;
}

/* Three colored lines at bottom of header */
.header__lines {
    display: flex;
    height: 4px;
}

.header__line {
    flex: 1;
    height: 100%;
}

.header__line--yellow {
    background-color: var(--yellow);
}

.header__line--blue {
    background-color: var(--blue);
}

.header__line--red {
    background-color: var(--red);
}

/* Navigation Styles */
.nav {
    background-color: rgba(15, 75, 145, 0.7);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: calc(var(--z-header) - 1);
}

.nav__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav__item {
    position: relative;
    flex: 1;
}

.nav__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 20px;
    color: #F5F5F5;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    cursor: pointer;
    text-align: center;
    min-height: 56px;
}

.nav__link:hover {
    background-color: rgba(245, 245, 245, 0.1);
    color: #F5F5F5;
    text-decoration: none;
}

.nav__icon {
    width: 12px;
    height: 8px;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav__item:hover .nav__icon {
    transform: rotate(180deg);
}

/* Dropdown Styles */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 1);
    border: 1px solid var(--border-gray);
    border-top: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-list {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}

.nav__dropdown-item {
    margin: 0;
}

.nav__dropdown-link {
    display: block;
    padding: 12px 20px;
    color: var(--dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    text-transform: none;
    letter-spacing: normal;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav__dropdown-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    text-decoration: none;
}

/* Unclickable dropdown items */
.nav__dropdown-link--unclickable {
    cursor: default;
    user-select: none;
}

.nav__dropdown-link--unclickable:hover {
    background-color: transparent;
    color: var(--dark-gray);
    border-left-color: transparent;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header__container {
        padding: 20px var(--container-padding);
        gap: 20px;
    }
    
    .header__logo-img {
        width: 70px;
        height: 70px;
    }
    
    .header__title {
        font-size: 1.3rem;
    }
    
    .header__subtitle {
        font-size: 0.85rem;
    }
    
    .nav__link {
        padding: 14px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .header__container {
        flex-direction: column;
        gap: 16px;
        padding: 16px var(--container-padding);
        text-align: center;
    }
    
    .header__logo-img {
        width: 60px;
        height: 60px;
    }
    
    .header__title {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    
    .header__subtitle {
        font-size: 0.8rem;
    }
    
    .nav__list {
        flex-direction: column;
    }
    
    .nav__item {
        flex: none;
    }
    
    .nav__link {
        padding: 12px 16px;
        justify-content: space-between;
        text-align: left;
    }
    
    .nav__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: rgba(255, 255, 255, 0.1);
        display: none;
    }
    
    .nav__item:hover .nav__dropdown {
        display: block;
    }
    
    .nav__dropdown-link {
        color: rgba(245, 245, 245, 0.9);
        border-left-color: transparent;
        padding-left: 40px;
    }
    
    .nav__dropdown-link:hover {
        background-color: rgba(245, 245, 245, 0.1);
        color: #F5F5F5;
        border-left-color: #F5F5F5;
    }
}

@media (max-width: 480px) {
    .header__container {
        padding: 12px var(--container-padding);
    }
    
    .header__title {
        font-size: 1rem;
    }
    
    .header__subtitle {
        font-size: 0.75rem;
    }
    
    .nav__link {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .header {
        border-bottom: 2px solid var(--white);
    }
    
    .nav__link {
        border: 1px solid transparent;
    }
    
    .nav__link:hover,
    .nav__link:focus {
        border-color: var(--white);
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .nav__icon,
    .nav__dropdown,
    .nav__link,
    .nav__dropdown-link {
        transition: none;
    }
}

/* Nested Submenu Styles */
.nav__dropdown-item--has-submenu {
    position: relative;
}

.nav__dropdown-item--has-submenu .nav__dropdown-link,
.nav__dropdown-item--has-submenu .nav__dropdown-link--unclickable {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__submenu-icon {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.nav__submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background-color: rgba(255, 255, 255, 1);
    min-width: 250px;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 3px solid var(--primary-blue);
}

.nav__dropdown-item--has-submenu:hover .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav__dropdown-item--has-submenu:hover .nav__submenu-icon {
    transform: translateX(3px);
}

.nav__submenu-item {
    margin: 0;
}

.nav__submenu-link {
    display: block;
    padding: 10px 20px;
    color: var(--dark-gray);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav__submenu-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    padding-left: 23px;
}

/* Mobile adjustments for submenu */
@media (max-width: 768px) {
    .nav__submenu {
        position: static;
        left: auto;
        top: auto;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-left: none;
        padding-left: 20px;
        display: none;
    }
    
    .nav__dropdown-item--has-submenu:hover .nav__submenu,
    .nav__dropdown-item--has-submenu:focus-within .nav__submenu {
        display: block;
    }
    
    .nav__submenu-link {
        padding-left: 40px;
        border-left: none;
    }
    
    .nav__submenu-icon {
        transform: rotate(90deg);
    }
    
    .nav__dropdown-item--has-submenu:hover .nav__submenu-icon {
        transform: rotate(90deg) translateX(0);
    }
}