/**
 * Opera Theme - Component Styles
 *
 * Header, Footer, Navigation
 *
 * @package Opera_Theme
 */

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1010;
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.35s ease,
                box-shadow 0.35s ease;
    transform: translateY(0);
}

/* header-hidden disabled – nav always visible per client request */

.is-front-page .site-header {
    background: transparent;
    box-shadow: none;
}

.is-front-page .site-header.scrolled {
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    transition: padding 0.35s ease;
}

.is-front-page .header-inner {
    padding: var(--space-lg) var(--space-lg);
}

.is-front-page .site-header.scrolled .header-inner {
    padding: var(--space-md) var(--space-lg);
}

/* ==========================================================================
   LOGO
   ========================================================================== */

.site-branding {
    flex-shrink: 0;
    z-index: 1003;
}

.site-branding a {
    display: block;
}

.site-branding img {
    height: 60px;
    width: auto;
    transition: height 0.35s ease, filter 0.35s ease;
}

.is-front-page .site-branding img {
    height: 85px;
    filter: brightness(0) invert(1);
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    pointer-events: none;
    transition: height 0.35s ease, filter 0.35s ease, opacity 0.35s ease, max-width 0.35s ease;
}

.is-front-page .site-header.scrolled .site-branding img {
    height: 38px;
    filter: none;
    opacity: 1;
    max-width: 200px;
    pointer-events: auto;
}

.site-logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: font-size 0.35s ease, color 0.35s ease;
}

.is-front-page .site-logo-text {
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    pointer-events: none;
    transition: font-size 0.35s ease, color 0.35s ease, opacity 0.35s ease, max-width 0.35s ease;
}

.is-front-page .site-header.scrolled .site-logo-text {
    color: var(--color-primary);
    opacity: 1;
    max-width: 200px;
    pointer-events: auto;
    font-size: var(--font-size-xl);
}

/* ==========================================================================
   DESKTOP NAVIGATION
   ========================================================================== */

.desktop-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
    color: var(--color-secondary);
}

.is-front-page .nav-menu > li > a {
    color: var(--color-white);
}

.is-front-page .nav-menu > li > a:hover,
.is-front-page .nav-menu > li.current-menu-item > a {
    color: rgba(255,255,255,0.7);
}

.is-front-page .site-header.scrolled .nav-menu > li > a {
    color: var(--color-primary);
}

.is-front-page .site-header.scrolled .nav-menu > li > a:hover,
.is-front-page .site-header.scrolled .nav-menu > li.current-menu-item > a {
    color: var(--color-secondary);
}

/* Dropdown indicator */
.nav-menu > li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    vertical-align: middle;
}

/* Dropdown */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    list-style: none;
    margin: 0;
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
}

.nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    transition: all var(--transition);
}

.nav-menu .sub-menu li a:hover,
.nav-menu .sub-menu li.current-menu-item a {
    background: var(--color-light);
    color: var(--color-secondary);
}

/* Header CTA */
.header-cta {
    flex-shrink: 0;
    margin-left: var(--space-lg);
}

.header-cta .btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.is-front-page .header-cta .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.is-front-page .header-cta .btn-primary:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.is-front-page .site-header.scrolled .header-cta .btn-primary {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

/* ==========================================================================
   HAMBURGER TOGGLE (hidden on desktop)
   ========================================================================== */

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1003;
    position: relative;
}

.hamburger {
    display: block;
    width: 26px;
    height: 18px;
    position: relative;
}

.hamburger span {
    display: block;
    position: absolute;
    left: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: top 0.3s ease 0.3s, transform 0.3s ease 0s, opacity 0.2s ease 0.15s, width 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; width: 100%; }
.hamburger span:nth-child(2) { top: 8px; width: 100%; }
.hamburger span:nth-child(3) { top: 16px; width: 70%; }

.is-front-page .hamburger span {
    background: var(--color-white);
}

.is-front-page .site-header.scrolled .hamburger span {
    background: var(--color-primary);
}

/* Burger → X animation */
.menu-toggle.is-active .hamburger span {
    background: #fff;
    transition: top 0.3s ease 0s, transform 0.3s ease 0.3s, opacity 0.2s ease 0s, width 0.3s ease;
}

.menu-toggle.is-active .hamburger span:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
    width: 100%;
}

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

.menu-toggle.is-active .hamburger span:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
    width: 100%;
}

/* ==========================================================================
   MOBILE NAV OVERLAY (completely separate from desktop nav)
   ========================================================================== */

.mobile-nav-overlay {
    display: none; /* hidden on desktop entirely */
}

@media (max-width: 768px) {
    /* Show burger, hide desktop nav + CTA */
    .menu-toggle {
        display: block;
    }

    .desktop-nav,
    .header-cta {
        display: none !important;
    }

    /* Mobile overlay */
    .mobile-nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1002;
        background: var(--color-primary, #1a1a2e);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;

        /* Hidden state */
        opacity: 0;
        visibility: hidden;
        clip-path: circle(0% at calc(100% - 2.5rem) 2rem);
        transition: clip-path 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s ease,
                    visibility 0s linear 0.55s;
    }

    .mobile-nav-overlay.is-open {
        opacity: 1;
        visibility: visible;
        clip-path: circle(150% at calc(100% - 2.5rem) 2rem);
        transition: clip-path 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.2s ease,
                    visibility 0s linear 0s;
    }

    /* Inner layout */
    .mobile-nav-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        min-height: 100dvh;
        padding: 5rem 2rem 3rem;
        gap: 2.5rem;
    }

    /* Menu list */
    .mobile-nav-list {
        list-style: none;
        margin: 0;
        padding: 0;
        text-align: center;
        width: 100%;
    }

    .mobile-nav-list > li > a {
        display: block;
        padding: 0.7rem 0;
        font-size: 1.4rem;
        font-weight: 500;
        color: #fff;
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .mobile-nav-list > li > a:hover,
    .mobile-nav-list > li > a:active {
        color: var(--color-accent, #75151E);
    }

    .mobile-nav-list > li.current-menu-item > a,
    .mobile-nav-list > li.current-menu-ancestor > a {
        color: var(--color-accent, #75151E);
    }

    /* Submenus in mobile */
    .mobile-nav-list .sub-menu {
        list-style: none;
        margin: 0;
        padding: 0.2rem 0 0.6rem;
    }

    .mobile-nav-list .sub-menu li a {
        display: block;
        padding: 0.35rem 0;
        font-size: 0.95rem;
        color: rgba(255,255,255,0.55);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .mobile-nav-list .sub-menu li a:hover {
        color: #fff;
    }

    /* Hide dropdown arrow */
    .mobile-nav-list > li.menu-item-has-children > a::after {
        display: none;
    }

    /* CTA Button */
    .mobile-nav-cta {
        display: inline-block;
        font-size: 1rem;
        padding: 0.8rem 2.5rem;
        border-radius: 8px;
        text-decoration: none;
    }

    /* Logo on front page mobile */
    .is-front-page .site-branding img {
        height: 65px;
        opacity: 0;
        max-width: 0;
    }

    .is-front-page .site-header.scrolled .site-branding img {
        height: 32px;
        opacity: 1;
        max-width: 200px;
    }

    /* Prevent body scroll when open */
    body.menu-open {
        overflow: hidden;
    }
}

/* ==========================================================================
   RIBBON DIVIDER (overlays content ↔ footer boundary)
   ========================================================================== */

.opera-ribbon-divider {
    position: relative;
    width: 100%;
    height: 0;
    z-index: 20;
    pointer-events: none;
}

.opera-ribbon-divider canvas {
    position: absolute;
    left: 0;
    bottom: -120px;
    width: 100%;
    height: 300px;
    z-index: 20;
}

@media (max-width: 768px) {
    .opera-ribbon-divider canvas {
        height: 200px;
        bottom: -80px;
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    position: relative;
    z-index: 1;
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-main {
    padding: var(--space-4xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-col {
    min-width: 0;
}

/* Footer About */
.footer-logo img {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-style: italic;
    opacity: 0.8;
    margin: var(--space-md) 0;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-contact-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity var(--transition);
}

.footer-contact-item:hover {
    opacity: 1;
    color: var(--color-white);
}

/* Footer Widgets */
.footer-widget-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-widget li {
    margin-bottom: var(--space-sm);
}

.footer-widget a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity var(--transition);
}

.footer-widget a:hover {
    opacity: 1;
    color: var(--color-white);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-lg) 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin: 0;
}

.legal-menu {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.legal-menu a {
    font-size: var(--font-size-sm);
    color: var(--color-white);
    opacity: 0.7;
    transition: opacity var(--transition);
}

.legal-menu a:hover {
    opacity: 1;
    color: var(--color-white);
}

.footer-bottom-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    opacity: 0.6;
    transition: opacity var(--transition), transform 0.2s ease;
}

.social-icon:hover {
    opacity: 1;
    color: var(--color-white);
    transform: scale(1.15);
}

/* ==========================================================================
   PAGE TRANSITIONS
   ========================================================================== */

/* Base Transition Setup */
body {
    opacity: 1;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

body:not(.page-loaded) {
    opacity: 0;
}

body.page-leaving {
    opacity: 0;
}

/* Fade Transition */
body[data-page-transition="fade"]:not(.page-loaded) {
    opacity: 0;
}

body[data-page-transition="fade"].page-leaving {
    opacity: 0;
}

/* Slide Transition (von rechts)
   KEIN transform im Ruhezustand – das bricht position:fixed & parallax */
body[data-page-transition="slide"]:not(.page-loaded) {
    opacity: 0;
    transform: translateX(50px);
}

body[data-page-transition="slide"].page-leaving {
    opacity: 0;
    transform: translateX(-50px);
}

/* Slide Up Transition (von unten) */
body[data-page-transition="slide-up"]:not(.page-loaded) {
    opacity: 0;
    transform: translateY(30px);
}

body[data-page-transition="slide-up"].page-leaving {
    opacity: 0;
    transform: translateY(-30px);
}

/* Zoom Transition */
body[data-page-transition="zoom"]:not(.page-loaded) {
    opacity: 0;
    transform: scale(0.98);
}

body[data-page-transition="zoom"].page-leaving {
    opacity: 0;
    transform: scale(1.02);
}

/* No Transition */
body[data-page-transition="none"] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

/* ==========================================================================
   BACK BUTTON
   ========================================================================== */

.opera-back-button {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.opera-back-button.visible {
    opacity: 1;
    transform: translateY(0);
}

.opera-back-button.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.opera-back-button:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.opera-back-button svg {
    transition: transform 0.3s ease;
}

.opera-back-button:hover svg {
    transform: translateX(-4px);
}

@media (max-width: 768px) {
    .opera-back-button {
        bottom: 1.5rem;
        left: 1.5rem;
        padding: 0.75rem;
    }
    
    .opera-back-button span {
        display: none;
    }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact {
        align-items: center;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-bottom-right {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .legal-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}