/**
 * Layout Styles
 * Grid, Container, Header, Footer, Sidebar, Responsive
 *
 * @package STApp_WP_Theme
 */

/* ==========================================================================
   Container
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* ==========================================================================
   Header Layout
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    padding: 1.5rem 0;
    transition: all 0.3s ease, transform 0.3s ease;
}

/* Auto-hide header on mobile scroll down, show on scroll up */
.site-header.nav-mobile.header-hidden {
    transform: translateY(-100%);
}

.site-header.scrolled {
    background: var(--stapp-header-bg, rgba(26, 26, 26, 0.8));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.site-branding {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.site-branding img {
    transition: opacity 0.3s ease;
}

.site-title {
    margin: 0;
    font-size: 1.5rem;
}

.site-title a {
    color: var(--stapp-header-text, #ffffff);
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-title a:hover {
    color: var(--color-primary);
}

.site-description {
    margin: 0.5rem 0 0;
    font-size: 0.875rem;
    color: #666;
}

/* Navigation Base */
.main-navigation {
    margin-top: 1rem;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.main-navigation a {
    color: var(--stapp-header-text, rgba(255, 255, 255, 0.85));
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
    cursor: pointer;
    font-size: var(--nav-font-size, 16px);
    font-weight: var(--nav-font-weight, 400);
    letter-spacing: var(--nav-letter-spacing, 0px);
    text-transform: var(--nav-text-transform, none);
    transition: all 0.3s ease;
    position: relative;
}

/* Hamburger Toggle Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--stapp-header-text, #ffffff);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hamburger → X animation when active */
.menu-toggle.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Navigation Design Variants
   ========================================================================== */

/* Classic – Hover with subtle background */
.nav-style-classic .main-navigation a {
    border-radius: 6px;
}

.nav-style-classic .main-navigation a:hover,
.nav-style-classic .main-navigation a:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* Minimal – Text only, subtle opacity change */
.nav-style-minimal .main-navigation a {
    opacity: 0.7;
    background: none;
    padding: 0.5rem 0.75rem;
}

.nav-style-minimal .main-navigation a:hover,
.nav-style-minimal .main-navigation a:focus {
    opacity: 1;
    background: none;
}

/* Pill – Rounded buttons around each link */
.nav-style-pill .main-navigation a {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.4rem 1.2rem;
}

.nav-style-pill .main-navigation a:hover,
.nav-style-pill .main-navigation a:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
}

/* Glassmorphism – Blur effect around each link */
.nav-style-glass .main-navigation a {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-style-glass .main-navigation a:hover,
.nav-style-glass .main-navigation a:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* Underline – Animated underline on hover */
.nav-style-underline .main-navigation a {
    background: none;
    padding: 0.5rem 0.75rem;
}

.nav-style-underline .main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.75rem;
    right: 0.75rem;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.nav-style-underline .main-navigation a:hover::after,
.nav-style-underline .main-navigation a:focus::after {
    transform: scaleX(1);
}

.nav-style-underline .main-navigation a:hover,
.nav-style-underline .main-navigation a:focus {
    color: #ffffff;
}

/* ==========================================================================
   Submenu Styles
   ========================================================================== */

/* Base submenu positioning */
.main-navigation li {
    position: relative;
}

.main-navigation .sub-menu {
    display: none;
    position: absolute;
    z-index: 1001;
    min-width: 200px;
    padding: 0.5rem 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.main-navigation .sub-menu a {
    padding: 0.5rem 1rem;
    font-size: calc(var(--nav-font-size, 16px) - 1px);
}

.main-navigation li:hover > .sub-menu,
.main-navigation li.focus > .sub-menu {
    display: flex;
    flex-direction: column;
}

/* Dropdown – Classic dropdown below */
.submenu-dropdown .main-navigation .sub-menu {
    top: 100%;
    left: 0;
    gap: 0;
}

/* Flyout – Opens to the side */
.submenu-flyout .main-navigation .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 4px;
}

.submenu-flyout .main-navigation > ul > li > .sub-menu {
    top: 100%;
    left: 0;
    margin-left: 0;
}

/* Mega – Full width, multi-column */
.submenu-mega .main-navigation .sub-menu {
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 600px;
    max-width: 1000px;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 1.5rem;
    gap: 0.5rem;
}

.submenu-mega .main-navigation .sub-menu li {
    flex: 1 0 calc(33.333% - 0.5rem);
    min-width: 180px;
}

/* ==========================================================================
   Mobile Menu Styles
   ========================================================================== */

/* Mobile menu overlay for slide/fullscreen */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Mobile menu close button – hidden by default, shown only when toggled in slide/fullscreen */
.mobile-menu-close {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    z-index: 1002;
}

/* Dropdown – Simple toggle (default mobile) */
.mobile-dropdown.nav-mobile .main-navigation.mobile-active {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1001;
}

.mobile-dropdown.nav-mobile .main-navigation.mobile-active > ul {
    display: none !important;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.mobile-dropdown.nav-mobile .main-navigation.mobile-active.toggled > ul {
    display: flex !important;
}

.mobile-dropdown.nav-mobile .main-navigation.mobile-active a {
    padding: 0.75rem 1.5rem;
    font-size: var(--nav-font-size, 16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: none;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
}

/* Slide – Slides in from the side */
.mobile-slide .main-navigation.mobile-active {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1001;
    padding: 5rem 1.5rem 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-slide .main-navigation.mobile-active ul {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-slide .main-navigation.mobile-active.toggled {
    transform: translateX(0);
}

.mobile-slide .main-navigation.mobile-active a {
    padding: 0.75rem 0;
    font-size: var(--nav-font-size, 16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-slide .main-navigation.mobile-active.toggled .mobile-menu-close {
    display: block;
}


/* ==========================================================================
   Footer Layout
   ========================================================================== */

.site-footer {
    background: var(--stapp-footer-bg, rgba(15, 15, 15, 0.6));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--stapp-footer-text, white);
    padding: 3rem 0 1.5rem;
    margin-top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    clear: both;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.site-info {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

.site-info a {
    color: white;
}

.footer-navigation ul {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
}

.footer-navigation a {
    color: rgba(255, 255, 255, 0.8);
}

@media screen and (max-width: 600px) {
    .footer-navigation ul {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */

.site-main {
    padding: 0;
}

/* Adjust for fixed header and footer positioning */
body {
    padding-top: 0;
}

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 0 0 auto;
}

.site-content {
    position: relative;
    z-index: 1;
}

.bg-quality-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.site-footer {
    flex: 0 0 auto;
    margin-top: auto;
}

/* ==========================================================================
   Responsive Layout
   ========================================================================== */

/* Mobile state: applied via JS based on --nav-breakpoint */
.site-header.nav-mobile {
    padding: 0.75rem 0;
}

.site-header.nav-mobile .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-header.nav-mobile .site-branding {
    margin-bottom: 0;
}

.site-header.nav-mobile .menu-toggle {
    display: flex;
}

.site-header.nav-mobile .main-navigation {
    margin-top: 0;
}

.site-header.nav-mobile .main-navigation .sub-menu {
    position: static;
    min-width: 0;
    box-shadow: none;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0;
    padding-left: 1rem;
}

.site-header.nav-mobile .main-navigation li:hover > .sub-menu,
.site-header.nav-mobile .main-navigation li.focus > .sub-menu {
    display: flex;
}

/* Close button: explicitly hidden in dropdown mode */
.mobile-dropdown .mobile-menu-close {
    display: none !important;
}

/* Desktop state */
.site-header.nav-desktop .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-header.nav-desktop .site-branding {
    margin-bottom: 0;
}

.site-header.nav-desktop .main-navigation {
    margin-top: 0;
}

.site-header.nav-desktop .mobile-menu-close {
    display: none;
}

/* Content layout for wider screens */
.site-header.nav-desktop ~ .site-content #primary {
    width: 100%;
    float: left;
}

.site-header.nav-desktop ~ .site-content #secondary {
    width: 25%;
    float: right;
    margin-top: 3rem;
}

.site-header.nav-desktop ~ .site-content #primary:after,
.site-header.nav-desktop ~ .site-content .site-main:after {
    content: "";
    display: table;
    clear: both;
}

/* ==========================================================================
   Fullwidth Template
   ========================================================================== */

.fullwidth #primary {
    width: 100%;
    float: none;
}