/**
 * Header Styles - All Variants
 * 
 * Variants: Classic, Minimal, Centered, Split
 * Behaviors: Sticky, Shrink, Transparent
 *
 * @package Ensemble_Theme
 * @version 2.4.0
 */

/* ============================================
   CSS VARIABLES - Inherits from Ensemble Designer
   ============================================ */

:root {
    --et-header-height: 80px;
    --et-header-height-shrink: 60px;
    --et-header-bg: var(--ensemble-bg, #ffffff);
    --et-header-text: var(--ensemble-text, #1a1a1a);
    --et-header-border: var(--ensemble-card-border, #e8e8e8);
    --et-header-padding: 0 24px;
    --et-logo-max-height: 50px;
    --et-logo-max-height-shrink: 36px;
    --et-nav-gap: 32px;
    --et-nav-font-size: 15px;
    --et-transition: 0.3s ease;
    
    /* Font inheritance from Ensemble Designer */
    --et-header-font: var(--ensemble-font-body, var(--pure-font, system-ui, -apple-system, sans-serif));
    --et-header-font-heading: var(--ensemble-font-heading, var(--pure-font-heading, var(--et-header-font)));
    --et-header-font-weight: var(--ensemble-heading-weight, var(--pure-weight-medium, 500));
}

/* ============================================
   BASE HEADER STYLES
   ============================================ */

.et-header {
    position: relative;
    width: 100%;
    background: var(--et-header-bg);
    border-bottom: 1px solid var(--et-header-border);
    z-index: 1000;
    transition: all var(--et-transition);
    font-family: var(--et-header-font);
}

.et-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--et-header-height);
    padding: var(--et-header-padding);
    transition: min-height var(--et-transition);
}

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

.et-header__brand {
    flex-shrink: 0;
}

.et-header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.et-header__logo .et-logo-svg,
.et-header__logo .et-logo-img {
    max-height: var(--et-logo-max-height);
    width: auto;
    transition: max-height var(--et-transition);
}

/* SVG Logo Color Inheritance - Uses Ensemble Designer primary color */
.et-header__logo .et-logo-svg {
    color: var(--ensemble-primary, var(--et-header-text));
}

.et-header__logo .et-logo-svg path,
.et-header__logo .et-logo-svg polygon,
.et-header__logo .et-logo-svg circle,
.et-header__logo .et-logo-svg rect,
.et-header__logo .et-logo-svg g {
    fill: currentColor;
}

/* Allow SVG elements with explicit fill="none" to remain transparent */
.et-header__logo .et-logo-svg [fill="none"] {
    fill: none;
}

/* Support for stroke-based SVGs */
.et-header__logo .et-logo-svg [stroke]:not([stroke="none"]) {
    stroke: currentColor;
}

.et-header__logo .et-logo-text {
    font-family: var(--et-header-font-heading);
    font-size: 1.5rem;
    font-weight: var(--et-header-font-weight);
    color: var(--et-header-text);
    transition: font-size var(--et-transition);
}

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

.et-header__nav {
    display: none;
}

@media (min-width: 1024px) {
    .et-header__nav {
        display: block;
    }
}

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

.et-nav__list > li {
    position: relative;
}

.et-nav__list > li > a {
    display: block;
    padding: 8px 0;
    font-family: var(--et-header-font);
    font-size: var(--et-nav-font-size);
    font-weight: var(--et-header-font-weight);
    color: var(--et-header-text);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.et-nav__list > li > a:hover,
.et-nav__list > li.current-menu-item > a {
    opacity: 0.6;
}

/* Dropdown */
.et-nav__list .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--et-header-bg);
    border: 1px solid var(--et-header-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    list-style: none;
    z-index: 100;
}

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

.et-nav__list .sub-menu li a {
    display: block;
    padding: 10px 20px;
    font-family: var(--et-header-font);
    font-size: 14px;
    color: var(--et-header-text);
    text-decoration: none;
}

.et-nav__list .sub-menu li a:hover {
    background: rgba(0,0,0,0.03);
}

/* Centered nav list */
.et-nav__list--centered {
    justify-content: center;
}

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

.et-header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.et-header__action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    color: var(--et-header-text);
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.et-header__action:hover {
    opacity: 0.6;
}

/* ============================================
   HAMBURGER / TOGGLE - Standard
   ============================================ */

.et-header__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (min-width: 1024px) {
    .et-header__toggle {
        display: none;
    }
    
    /* Always visible in minimal header */
    .et-header--minimal .et-header__toggle--always {
        display: flex;
    }
}

.et-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    gap: 5px;
}

.et-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--et-header-text);
    transition: all 0.3s ease;
}

/* Hamburger active state */
.et-header__toggle[aria-expanded="true"] .et-hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.et-header__toggle[aria-expanded="true"] .et-hamburger span:nth-child(2) {
    opacity: 0;
}

.et-header__toggle[aria-expanded="true"] .et-hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   SEARCH OVERLAY
   ============================================ */

.et-search-overlay {
    position: fixed;
    inset: 0;
    background: var(--et-header-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
}

.et-search-overlay.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.et-search-overlay__inner {
    width: 100%;
    max-width: 600px;
    padding: 0 24px;
}

.et-search-form {
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--et-header-text);
}

.et-search-form__input {
    flex: 1;
    padding: 16px 0;
    font-family: var(--et-header-font);
    font-size: 1.5rem;
    background: transparent;
    border: none;
    color: var(--et-header-text);
    outline: none;
}

.et-search-form__input::placeholder {
    color: rgba(0,0,0,0.4);
}

.et-search-form__submit {
    padding: 16px;
    background: transparent;
    border: none;
    color: var(--et-header-text);
    cursor: pointer;
}

.et-search-overlay__close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    color: var(--et-header-text);
    cursor: pointer;
}

/* ============================================
   MOBILE MENU - Standard (slide down)
   ============================================ */

.et-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--et-header-bg);
    z-index: 9998;
    overflow-y: auto;
    transform: translateY(-100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0.4s;
}

.et-mobile-menu.is-active {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0s;
}

.et-mobile-menu__inner {
    padding: 100px 24px 40px;
}

.et-mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.et-mobile-nav__list li {
    border-bottom: 1px solid var(--et-header-border);
}

.et-mobile-nav__list li a {
    display: block;
    padding: 16px 0;
    font-family: var(--et-header-font);
    font-size: 1.125rem;
    font-weight: var(--et-header-font-weight);
    color: var(--et-header-text);
    text-decoration: none;
}

.et-mobile-nav__list .sub-menu {
    list-style: none;
    padding: 0 0 0 20px;
    margin: 0;
}

.et-mobile-nav__list .sub-menu li {
    border-bottom: none;
}

.et-mobile-nav__list .sub-menu a {
    padding: 10px 0;
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.7;
}

/* ============================================
   HEADER VARIANT: CLASSIC
   Logo links, Navigation rechts
   ============================================ */

.et-header--classic .et-header__inner {
    gap: 40px;
}

.et-header--classic .et-header__nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

@media (max-width: 1023px) {
    .et-header--classic .et-header__nav {
        display: none;
    }
}

/* ============================================
   HEADER VARIANT: MINIMAL
   Logo links, Fancy Burger rechts
   Fullscreen Overlay Menü
   ============================================ */

.et-header--minimal {
    border-bottom: none;
}

.et-header--minimal .et-header__inner {
    justify-content: space-between;
}

.et-header--minimal .et-header__nav {
    display: none;
}

/* Fancy Burger Button - stays in normal flow */
.et-header--minimal .et-header__toggle--always {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--et-header-text, #1a1a1a);
    color: var(--et-header-bg, #ffffff);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.et-header--minimal .et-header__toggle--always:hover {
    transform: scale(1.05);
}

.et-header--minimal .et-header__toggle--always .et-hamburger span {
    background: var(--et-header-bg, #ffffff);
    width: 22px;
}

/* Fullscreen Menu for Minimal */
.et-mobile-menu--fullscreen {
    background: var(--et-header-text);
    color: var(--et-header-bg);
    transform: scale(0.95);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.et-mobile-menu--fullscreen.is-active {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.et-mobile-menu--fullscreen .et-mobile-menu__header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    min-height: var(--et-header-height);
}

.et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-svg,
.et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-img {
    max-height: var(--et-logo-max-height);
    filter: brightness(0) invert(1);
}

.et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-text {
    color: var(--et-header-bg);
}

.et-mobile-menu--fullscreen .et-mobile-menu__close {
    width: 56px;
    height: 56px;
    background: var(--et-header-bg);
    color: var(--et-header-text);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.et-mobile-menu--fullscreen .et-mobile-menu__close:hover {
    transform: scale(1.05);
}

.et-mobile-menu--fullscreen .et-mobile-menu__inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 120px 24px 60px;
}

.et-mobile-menu--fullscreen .et-mobile-menu__nav {
    text-align: center;
}

.et-mobile-menu--fullscreen .et-mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.et-mobile-menu--fullscreen .et-mobile-nav__list li {
    border: none;
    overflow: hidden;
}

.et-mobile-menu--fullscreen .et-mobile-nav__list li a {
    display: inline-block;
    padding: 12px 0;
    font-family: var(--et-header-font-heading);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: var(--et-header-font-weight);
    color: var(--et-header-bg);
    text-decoration: none;
    transition: all 0.3s ease;
    transform: translateY(100%);
    opacity: 0;
}

.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li a {
    transform: translateY(0);
    opacity: 1;
}

/* Staggered animation */
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(1) a { transition-delay: 0.1s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(2) a { transition-delay: 0.15s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(3) a { transition-delay: 0.2s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(4) a { transition-delay: 0.25s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(5) a { transition-delay: 0.3s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(6) a { transition-delay: 0.35s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(7) a { transition-delay: 0.4s; }
.et-mobile-menu--fullscreen.is-active .et-mobile-nav__list li:nth-child(8) a { transition-delay: 0.45s; }

.et-mobile-menu--fullscreen .et-mobile-nav__list li a:hover {
    opacity: 0.5;
    transform: translateX(10px);
}

/* Submenu in fullscreen */
.et-mobile-menu--fullscreen .et-mobile-nav__list .sub-menu {
    padding: 0;
    margin-top: 8px;
}

.et-mobile-menu--fullscreen .et-mobile-nav__list .sub-menu a {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    opacity: 0.6;
    padding: 8px 0;
}

/* Secondary nav at bottom */
.et-mobile-menu--fullscreen .et-mobile-menu__secondary {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.et-mobile-menu--fullscreen .et-mobile-nav__secondary {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.et-mobile-menu--fullscreen .et-mobile-nav__secondary a {
    font-size: 14px;
    color: var(--et-header-bg);
    opacity: 0.6;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.et-mobile-menu--fullscreen .et-mobile-nav__secondary a:hover {
    opacity: 1;
}

/* ============================================
   HEADER VARIANT: CENTERED
   Logo zentriert, Navigation darunter
   ============================================ */

.et-header--centered {
    border-bottom: none;
}

.et-header--centered .et-header__top {
    border-bottom: 1px solid var(--et-header-border);
}

.et-header--centered .et-header__top-inner {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.et-header--centered .et-header__main {
    padding: 24px 0;
    text-align: center;
}

.et-header--centered .et-header__brand {
    display: inline-block;
}

.et-header--centered .et-header__nav-bar {
    border-top: 1px solid var(--et-header-border);
    border-bottom: 1px solid var(--et-header-border);
    padding: 12px 0;
}

@media (max-width: 1023px) {
    .et-header--centered .et-header__nav-bar {
        display: none;
    }
}

/* ============================================
   HEADER VARIANT: SPLIT
   Navigation links, Logo Mitte, Actions rechts
   ============================================ */

.et-header--split .et-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
}

.et-header--split .et-header__nav--left {
    justify-self: start;
}

.et-header--split .et-header__brand {
    justify-self: center;
}

.et-header--split .et-header__right {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 24px;
}

@media (max-width: 1023px) {
    .et-header--split .et-header__inner {
        display: flex;
    }
    
    .et-header--split .et-header__nav--left,
    .et-header--split .et-header__nav--right {
        display: none;
    }
}

/* ============================================
   BEHAVIOR: STICKY
   ============================================ */

.et-header--sticky {
    position: sticky;
    top: 0;
}

/* ============================================
   BEHAVIOR: AUTO-HIDE ON SCROLL DOWN
   ============================================ */

.et-header--sticky.et-header--auto-hide {
    transition: transform 0.3s ease, background-color var(--et-transition), box-shadow var(--et-transition);
}

.et-header--sticky.et-header--auto-hide.is-hidden {
    transform: translateY(-100%);
}

/* ============================================
   BEHAVIOR: SHRINK ON SCROLL
   ============================================ */

.et-header--shrink.is-scrolled .et-header__inner {
    min-height: var(--et-header-height-shrink);
}

.et-header--shrink.is-scrolled .et-header__logo .et-logo-svg,
.et-header--shrink.is-scrolled .et-header__logo .et-logo-img {
    max-height: var(--et-logo-max-height-shrink);
}

.et-header--shrink.is-scrolled .et-header__logo .et-logo-text {
    font-size: 1.25rem;
}

/* Centered variant shrink */
.et-header--centered.et-header--shrink.is-scrolled .et-header__main {
    padding: 12px 0;
}

/* ============================================
   BEHAVIOR: TRANSPARENT (on Front Page)
   ============================================ */

.et-header--transparent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    border-bottom: none;
}

.et-header--transparent .et-header__logo .et-logo-svg,
.et-header--transparent .et-header__logo .et-logo-text,
.et-header--transparent .et-nav__list > li > a,
.et-header--transparent .et-header__action,
.et-header--transparent .et-hamburger span {
    color: #ffffff;
}

.et-header--transparent .et-hamburger span {
    background: #ffffff;
}

/* Minimal transparent - burger button inverted */
.et-header--transparent.et-header--minimal .et-header__toggle--always {
    background: #ffffff;
    color: var(--et-header-text);
}

.et-header--transparent.et-header--minimal .et-header__toggle--always .et-hamburger span {
    background: var(--et-header-text);
}

/* Transparent + Sticky: solid when scrolled */
.et-header--transparent.et-header--sticky.is-scrolled {
    background: var(--et-header-bg);
    border-bottom: 1px solid var(--et-header-border);
}

.et-header--transparent.et-header--sticky.is-scrolled .et-header__logo .et-logo-svg,
.et-header--transparent.et-header--sticky.is-scrolled .et-header__logo .et-logo-text,
.et-header--transparent.et-header--sticky.is-scrolled .et-nav__list > li > a,
.et-header--transparent.et-header--sticky.is-scrolled .et-header__action {
    color: var(--et-header-text);
}

.et-header--transparent.et-header--sticky.is-scrolled .et-hamburger span {
    background: var(--et-header-text);
}

/* Minimal transparent scrolled */
.et-header--transparent.et-header--minimal.is-scrolled .et-header__toggle--always {
    background: var(--et-header-text);
    color: var(--et-header-bg);
}

.et-header--transparent.et-header--minimal.is-scrolled .et-header__toggle--always .et-hamburger span {
    background: var(--et-header-bg);
}

/* ============================================
   DARK MODE
   ============================================ */

.es-mode-dark .et-header,
.et-mode-dark .et-header {
    --et-header-bg: var(--ensemble-bg-dark, #0a0a0a);
    --et-header-text: var(--ensemble-text-dark, #f5f5f5);
    --et-header-border: var(--ensemble-card-border-dark, #222222);
}

.es-mode-dark .et-search-form__input::placeholder {
    color: rgba(255,255,255,0.4);
}

.es-mode-dark .et-mobile-menu--fullscreen {
    background: var(--ensemble-text-dark, #f5f5f5);
    color: var(--ensemble-bg-dark, #0a0a0a);
}

.es-mode-dark .et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-svg,
.es-mode-dark .et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-img {
    filter: none;
}

.es-mode-dark .et-mobile-menu--fullscreen .et-mobile-menu__close {
    background: var(--ensemble-bg-dark, #0a0a0a);
    color: var(--ensemble-text-dark, #f5f5f5);
}

.es-mode-dark .et-mobile-menu--fullscreen .et-mobile-nav__list li a,
.es-mode-dark .et-mobile-menu--fullscreen .et-mobile-menu__logo .et-logo-text {
    color: var(--ensemble-bg-dark, #0a0a0a);
}

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

@media (max-width: 768px) {
    :root {
        --et-header-height: 70px;
        --et-header-height-shrink: 56px;
        --et-logo-max-height: 40px;
        --et-logo-max-height-shrink: 32px;
    }
    
    .et-header__inner {
        padding: 0 16px;
    }
    
    .et-header__action {
        width: 40px;
        height: 40px;
    }
    
    .et-header__toggle {
        width: 40px;
        height: 40px;
    }
    
    .et-header--centered .et-header__main {
        padding: 16px 0;
    }
    
    /* Minimal burger slightly smaller on mobile */
    .et-header--minimal .et-header__toggle--always {
        width: 48px;
        height: 48px;
    }
    
    .et-header--minimal .et-header__toggle--always .et-hamburger span {
        width: 20px;
    }
}