/* css/data.css - Styles specifically for Header, Footer, and Mobile Navigation/Sidebar */

/* --- Advanced Header --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-speed), backdrop-filter var(--transition-speed);
}

.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px var(--padding-mobile-x);
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
}

/* Logo styles for image (always original color) */
.header__logo {
    display: flex;
    align-items: center;
    height: 40px; /* Control height of logo container for desktop */
}
.header__logo img {
    height: 100%; /* Make image fill logo container height */
    width: auto; /* Maintain aspect ratio */
}


/* Liquid Glass Effect */
.main-header {
    background-color: var(--color-glass-bg);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border-bottom: 1px solid var(--color-glass-border);
}

/* Header States (Desktop/Tablet) */
@media (min-width: 768px) {
    .main-header:hover,
    .main-header.scrolled-up {
        background-color: var(--color-white);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-bottom: 1px solid var(--color-light-grey);
    }
    .main-header.scrolled-down {
        background-color: var(--color-glass-bg);
        backdrop-filter: blur(10px) saturate(180%);
        -webkit-backdrop-filter: blur(10px) saturate(180%);
        border-bottom: 1px solid var(--color-glass-border);
    }
}

/* Desktop Navigation */
.header__nav--desktop .nav__list {
    display: flex;
    list-style: none;
}
.header__nav--desktop .nav__item {
    margin-left: 40px;
    position: relative; /* For submenus */
}
.header__nav--desktop .nav__link {
    font-family: var(--font-alt);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 10px 0;
    display: block;
}
.header__nav--desktop .nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 5px;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}
.header__nav--desktop .nav__link:hover::after {
    width: 100%;
}

/* Desktop Submenu Styles */
.nav__item--has-submenu .submenu {
    display: none; /* Controlled by JS for smooth transition */
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 200px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-subtle);
    list-style: none;
    padding: 10px 0;
    border-radius: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1010;
}
.submenu li a {
    font-family: var(--font-body);
    color: var(--color-primary);
    padding: 8px 20px;
    display: block;
    white-space: nowrap;
}
.submenu li a:hover {
    background-color: var(--color-light-grey);
    color: var(--color-accent);
}

/* Mobile Header */
@media (max-width: 767px) {
    .header__nav--desktop {
        display: none;
    }
    .main-header {
        background-color: rgba(255, 255, 255, 0.9);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-bottom: none;
        height: 50px;
    }
    .header__content {
        justify-content: center;
        position: relative;
    }
    .header__logo {
        width: 100%;
        text-align: center;
    }
    .header__logo img {
        height: 40px;
        margin: -30px auto 0 auto;
    }
}


/* --- Mobile Fixed Bottom Nav Bar (Flutter Style) --- */
.mobile-bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    z-index: 900;
    padding-bottom: env(safe-area-inset-bottom);
    transform: translateY(0); /* Initially visible */
    transition: transform var(--transition-speed);
}

.mobile-bottom-nav.hide {
    transform: translateY(100%);
}

.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
    will-change: transform;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    border: none;
    background: none;
}
.mobile-bottom-nav .nav-item i {
    font-size: 1.5rem;
    margin-bottom: 2px;
}

/* Hover/Tap Effect */
.mobile-bottom-nav .nav-item:hover,
.mobile-bottom-nav .nav-item:active {
    color: var(--color-accent);
    transform: translateY(-3px);
}

/* Active State Styling */
.mobile-bottom-nav .nav-item.active {
    color: var(--color-accent);
    background-color: var(--color-mobile-nav-active-bg);
    border-radius: 8px;
}
.mobile-bottom-nav .nav-item.active::after {
    content: '';
    position: absolute;
    top: 0;
    width: 60%;
    height: 3px;
    background-color: var(--color-accent);
    border-bottom-left-radius: 3px;
    border-bottom-right-radius: 3px;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity var(--transition-fast) ease-out, transform var(--transition-fast) ease-out;
}
.mobile-bottom-nav .nav-item.active::after {
    opacity: 1;
    transform: translateY(0);
}

.mobile-bottom-nav__menu-btn {
    /* No additional styles needed here, it inherits .nav-item */
}


@media (min-width: 768px) {
    .mobile-bottom-nav {
        display: none;
    }
}

/* --- Mobile Sidebar Menu --- */
.mobile-sidebar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -5px 0 15px rgba(0,0,0,0.15);
    z-index: 1050;
    transition: right var(--transition-speed) cubic-bezier(0.65, 0.05, 0.36, 1);
    display: flex;
    flex-direction: column;
    padding: 60px 30px 30px;
    overflow-y: auto;
}
.mobile-sidebar-menu.is-open {
    right: 0;
}

/* Overlay for outside menu */
.mobile-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) ease-out, visibility var(--transition-speed);
}
.mobile-sidebar-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}


.sidebar__close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2.2rem;
    cursor: pointer;
    color: var(--color-primary);
    padding: 10px;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}
.sidebar__close-btn:hover {
    background-color: var(--color-light-grey);
}

.sidebar__content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.sidebar__nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    margin-top: 20px;
    padding-bottom: 30px;
}
.sidebar__nav-list li {
    margin-bottom: 15px;
}
.sidebar__nav-link {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-primary);
    display: block;
    padding: 10px 0;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
}
.sidebar__nav-link:hover {
    color: var(--color-accent);
}
.sidebar__nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: translateX(-100%);
    transition: transform var(--transition-speed) ease-out;
}
.sidebar__nav-link:hover::before {
    transform: translateX(0);
}

/* Sidebar Submenu Styles (Accordion) */
.sidebar__item--has-submenu .sidebar__nav-link--collapsible {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
.sidebar__item--has-submenu .sidebar__nav-link--collapsible i {
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}
.sidebar__item--has-submenu .sidebar__nav-link--collapsible.is-open i {
    transform: rotate(180deg);
}

.sidebar__submenu {
    list-style: none;
    max-height: 0; /* Hidden by default */
    overflow: hidden;
    transition: max-height 0.4s ease-out; /* Smooth slide down/up */
    padding-left: 20px; /* Indent sub-items */
    background-color: rgba(var(--color-primary), 0.03); /* Subtle background */
    border-radius: 5px;
    margin-top: 5px;
    margin-bottom: 5px;
}
.sidebar__submenu.is-open {
    max-height: 500px; /* Increased max-height to ensure all items fit even with more padding/items */
}
.sidebar__submenu-link {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: #555;
    padding: 8px 0;
    display: block;
}
.sidebar__submenu-link:hover {
    color: var(--color-accent);
}


.sidebar__social-links {
    display: flex;
    gap: 25px;
    justify-content: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-light-grey);
    margin-top: auto;
}
.sidebar__social-links a {
    color: var(--color-primary);
    font-size: 1.8rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
}
.sidebar__social-links a:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}


/* --- Footer Styles --- */
#main-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px var(--padding-mobile-x); /* Will be overridden for mobile */
    font-size: 0.95rem;
    line-height: 1.8;
}

#main-footer .footer__content {
    max-width: var(--section-max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center; /* Center items in column layout */
    text-align: center; /* Center text */
    gap: 40px;
}
/* UPDATED CODE FOR MOBILE MAX-WIDTH IN FOOTER */
@media (max-width: 767px) {
    #main-footer {
        /* Set padding directly on footer for mobile to match 1% side spacing */
        padding-left: var(--padding-mobile-x-calculated);
        padding-right: var(--padding-mobile-x-calculated);
    }
    #main-footer .footer__content {
        max-width: var(--section-max-width-mobile); /* Apply 98% max-width for footer on mobile */
    }
}
/* END OF UPDATED CODE */


@media (min-width: 768px) {
    #main-footer .footer__content {
        flex-direction: row; /* Row layout on desktop */
        justify-content: space-between;
        align-items: flex-start; /* Align to top of row */
        text-align: left; /* Left align text in sections */
    }
}

.footer__section {
    flex: 1;
    min-width: 200px;
}

.footer__section h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 1.2em;
    color: var(--color-accent);
}

.footer__nav-list, .footer__contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__nav-list li a {
    color: var(--color-white);
    transition: color var(--transition-fast);
    display: inline-block;
    padding: 5px 0;
}
.footer__nav-list li a:hover {
    color: var(--color-accent);
}

.footer__contact-info p {
    margin-bottom: 0.5em;
    color: rgba(255, 255, 255, 0.8);
}
.footer__contact-info a {
    color: var(--color-white);
    transition: color var(--transition-fast);
}
.footer__contact-info a:hover {
    color: var(--color-accent);
}

.footer__social-links {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    justify-content: center; /* Center on mobile */
}
@media (min-width: 768px) {
    .footer__social-links {
        justify-content: flex-start; /* Left align on desktop */
    }
}

.footer__social-links a {
    color: var(--color-white);
    font-size: 1.5rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
}
.footer__social-links a:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.footer__legal {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 40px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}