/* ========================================
   Header Navbar Brand
   ======================================== */

header {
    position: absolute;
    width: 100%;
    z-index: 9;
}

.home-page header .navbar-brand img {
    filter: var(--filter-invert-white);
}

header .navbar-brand img {
    min-height: var(--navbar-brand-height);
}

/* ========================================
   Header Navigation
   ======================================== */

header .nav .nav-item a {
    font-family: 'Author', 'Ubuntu', sans-serif;
}

/* ========================================
   Gradient Button Component
   ======================================== */

.lupay-btn-gradient {
    border: var(--border-width-thin) solid var(--color-transparent);
    border-radius: var(--border-radius-pill);
    background:
        var(--gradient-button-bg) padding-box,
        var(--gradient-button-border) border-box;
    padding: var(--button-padding-vertical) var(--button-padding-horizontal);
    color: var(--color-white);
}

.lupay-btn-gradient span {
    color: var(--color-white);
}

/* ========================================
   Language Selector Dropdown
   ======================================== */

.language-selector {
    position: relative;
}

.language-selector-toggle {
    background: transparent;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: opacity 0.2s ease;
}

.language-selector-toggle:hover {
    opacity: 0.8;
}

.language-selector-toggle .language-icon,
.language-selector-toggle .chevron-icon {
    width: 15px;
    height: 15px;
    transition: transform 0.3s ease;
}

.language-selector.active .chevron-icon {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem;
    border: var(--border-width-thin) solid var(--color-transparent);
    border-radius: 20px;
    background:
        var(--gradient-button-bg) padding-box,
        var(--gradient-button-border) border-box;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    background: transparent;
    color: var(--color-white);
    padding: 0.5rem 1rem;
    text-align: left;
    text-decoration: none;
    border-radius: var(--border-radius-pill);
    transition: background-color 0.2s ease;
    font-size: var(--size-16);
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.language-option span {
    color: var(--color-white);
}

/* ========================================
   Features Page Header Overrides
   ======================================== */

#inner-page .lupay-btn-gradient {
    background:
        var(--gradient-features-page-button-bg) padding-box,
        var(--gradient-features-page-button-border) border-box;
}

#inner-page .language-dropdown {
    background:
        var(--gradient-features-page-button-bg) padding-box,
        var(--gradient-features-page-button-border) border-box;
}

/* ========================================
   Contact Page Header Overrides
   ======================================== */

@media (min-width: 1201px) {
    #contact-page header .nav-link {
        color: var(--color-gray-contact-menu) !important;
    }

    #contact-page header .navbar-brand img {
        filter: none;
    }
}

#contact-page .mobile-menu-toggle span {
    background-color: var(--color-gray-contact-menu);
}

.blog-page .mobile-menu-toggle span {
    background-color: var(--color-gray-contact-menu);
}

/* ========================================
   Home Menu Item - Mobile Only
   ======================================== */

@media (min-width: 1201px) {
    .nav-item-home {
        display: none;
    }
}

/* ========================================
   Home Page Header Overrides
   ======================================== */

.home-page header .lupay-btn-gradient {
    background:
        var(--gradient-home-button-bg) padding-box,
        var(--gradient-home-button-border) border-box !important;
}

/* ========================================
   Blog Page Header Overrides
   ======================================== */

@media (min-width: 1201px) {
    .blog-page header .nav-link {
        color: var(--color-gray-contact-menu) !important;
    }

    .blog-page header .language-selector-toggle {
        color: var(--color-gray-contact-menu) !important;
    }

    .blog-page header .language-selector-toggle .language-icon,
    .blog-page header .language-selector-toggle .chevron-icon {
        filter: brightness(0) opacity(0.65);
    }

    .blog-page header .lupay-btn-gradient {
        background:
            var(--gradient-blog-button-bg) padding-box,
            var(--gradient-blog-button-border) border-box !important;
    }

    .blog-page header .lupay-btn-gradient span {
        color: var(--color-gray-darkest) !important;
    }

    .blog-page header .lupay-btn-gradient img {
        filter: brightness(0) !important;
    }
}

/* ========================================
   Mobile Menu Toggle
   ======================================== */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 1200px) {

    .mobile-menu-toggle {
        display: flex;
    }

    .header-content {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: linear-gradient(180deg, #0A4D68 0%, #132C3F 100%);
        padding: 80px 2rem 2rem;
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .header-content.active {
        right: 0;
    }

    .header-content nav {
        width: 100%;
    }

    .header-content nav .nav {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .header-content nav .nav-item {
        width: 100%;
    }

    .header-content nav .nav-link {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: block;
    }

    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: 1rem !important;
        align-items: stretch !important;
    }

    .header-actions .lupay-btn-gradient[role="group"] {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .header-actions .lupay-btn-gradient[role="group"] button {
        width: 100%;
        justify-content: center;
    }

    .language-selector {
        width: 100%;
    }

    .language-selector-toggle {
        width: 100%;
        justify-content: center;
        padding: 1rem;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--border-radius-pill);
    }

    .language-dropdown {
        position: static;
        width: 100%;
        margin-top: 0.5rem;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .language-selector.active .language-dropdown {
        display: flex;
    }

    /* Mobile menu overlay */
    .header-content::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: -1;
    }

    .header-content.active::before {
        opacity: 1;
        visibility: visible;
        left: -100vw;
    }
}

@media (min-width: 1201px) {
    .header-content {
        display: flex;
        align-items: center;
        gap: 2rem;
        flex: 1;
        margin-left: 2rem;
    }

    .header-content nav {
        flex: 1;
    }

    .header-content nav .nav {
        display: flex;
        gap: 1rem;
    }
}

@media (max-width: 1200px) {
    body header .lupay-btn-gradient {
        background-color: unset;
        border: unset;
    }
}