/*
Theme Name: Thesa Kunst
Theme URI: https://example.com/thesa-kunst
Author: Familie Terheyden
Description: Maßgeschneidertes WordPress-Theme für die Kunstseite von Gamma Thesa Terheyden.
Version: 1.0.3
Text Domain: thesa
*/

/* =========================================================
   style.css (refactored)
   - Struktur: Tokens -> Reset -> Base -> Layout -> Components -> Animations -> Responsive
   - Mehr CSS-Variablen für wiederkehrende Werte
   - Doppelte Regeln zusammengeführt (z.B. body / gallery-item / hide)
   ========================================================= */

/* ---------- Fonts ---------- */
@font-face {
    font-family: "Mank Sans";
    src: url("assets/fonts/MankSans-Medium.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
    /* Typography */
    --font-family-base: "Mank Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-size-base: 14px;
    --line-height-base: 1.6;

    /* Colors */
    --color-text: #5b5b5b;
    --color-link: #5e5e5e;
    --color-bg: #ffffff;
    --color-black: #000000;

    --color-border: #ddd;
    --color-border-light: #eee;

    --color-muted: #999;
    --color-muted-2: #888;
    --color-muted-3: #aaa;

    --color-overlay-bg: rgba(255, 255, 255, 0.8);
    --color-shadow: rgba(0, 0, 0, 0.10);
    --logo-background: yellow;

    --color-lightbox-bg: rgba(0, 0, 0, 0.6);
    --color-lightbox-border: #ffffff;
    --color-lightbox-caption: #ccc;
    --color-lightbox-close: #f1f1f1;
    --color-lightbox-close-hover: #bbb;

    --color-slider-placeholder: #f4f4f4;
    --color-slider-control-bg: rgba(0, 0, 0, 0.5);
    --color-slider-control-bg-hover: rgba(0, 0, 0, 0.8);

    --bg-blur: 5px;

    /* Layout */
    --layout-max-width: 1400px;
    --sidebar-width: 250px;
    --content-max-width: 1200px;

    /* Spacing */
    --space-xxs: 5px;
    --space-xs: 10px;
    --space-s: 15px;
    --space-m: 20px;
    --space-l: 40px;
    --space-xl: 80px;

    /* Radius */
    --radius-xs: 5px;
    --radius-s: 10px;
    --radius-l: 18px;
    --radius-xl: 30px;
    --radius-pill: 15px;
    --radius-round: 50%;

    /* Motion */
    --dur-fast: 0.2s;
    --dur: 0.3s;
    --dur-med: 0.4s;
    --dur-slow: 1s;

    /* Z-Index */
    --z-sticky: 1100;
    --z-sticky-bar: 1101;
    --z-overlay: 2000;
    --z-overlay-close: 2001;

    /* Hero slider sizing */
    --hero-max-width: 1000px;
    --hero-height: 400px;

    /* Gallery */
    --gallery-columns: 3;
    --gallery-gap: 15px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---------- Base ---------- */
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: var(--line-height-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    /* removes the tiny gap below images */
}

/* ---------- Layout ---------- */
.site-container {
    display: flex;
    max-width: var(--layout-max-width);
    margin: 0 auto;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: sticky;
    top: 0;
    padding: var(--space-l) var(--space-m);
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Main content */
.content-area {
    flex: 1;
    padding: var(--space-l);
}

section {
    margin-bottom: var(--space-xl);
    padding-top: var(--space-m);
}

/* Typography */
h2 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: var(--space-m);
    text-transform: uppercase;
    letter-spacing: 2px;
}

h3 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: var(--space-xs);
}

/* ---------- Sidebar components ---------- */
.logo-wrapper {
    display: block;
    margin-bottom: var(--space-l);
    text-decoration: none;
}

.circle-logo {
    width: 100px;
    height: 100px;
    background-color: var(--color-border);
    border-radius: var(--radius-round);
    margin: 0 auto;
    overflow: hidden;
}

.circle-logo img {
    background-color: var(--logo-background);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Navigation */
.menu-list {
    list-style: none;
    text-align: center;
}

.menu-list li {
    margin-bottom: 8px;
}

.menu-list a {
    text-decoration: none;
    color: var(--color-link);
    font-weight: normal;
    font-size: 14px;
    transition: color var(--dur) ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-list a:hover {
    color: var(--color-black);
    text-decoration: underline;
}

/* separator line from PHP logic */
.menu-list li.separator {
    height: 1px;
    background-color: var(--color-border);
    width: 40px;
    margin: var(--space-s) auto;
}

.menu-list a.active {
    font-weight: bold;
    color: var(--color-black);
    text-decoration: underline;
}

.legal-links {
    font-size: 11px;
    line-height: 1.8;
}

.copyright {
    font-size: 10px;
    text-align: center;
    color: var(--color-muted);
    margin-top: var(--space-m);
}

/* ---------- Gallery (masonry via CSS columns) ---------- */
.gallery-grid {
    column-count: var(--gallery-columns);
    column-gap: var(--gallery-gap);
}




.gallery-item {
    break-inside: avoid;
    margin-bottom: var(--gallery-gap);
    position: relative;
    opacity: 1;
    transform: scale(1);
    animation: fadeIn 0.5s ease-in-out;
    border-radius: var(--radius-l);
    overflow: hidden;
    transition: box-shadow var(--dur), border var(--dur);
    border: solid 2px transparent;
}

.gallery-item:hover {
    cursor: pointer;
    border: solid 2px var(--logo-background);
    box-shadow: 0 4px 15px var(--color-shadow);
}

/* hard hidden state (used by JS filter) */
.gallery-item.hide {
    display: none;
}


.gallery-item:hover .overlay {
    height: 30px;
}

/* Optional overlay (caption on hover) */
.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-overlay-bg);
    padding: var(--space-xxs) var(--space-xs);
    font-size: 11px;
    opacity: 0;
    height: 0;
    transition: opacity var(--dur), height var(--dur);
    text-align: center;
    pointer-events: none;
}

.gallery-item:hover .overlay {
    opacity: 1;
}

/* Sort controls */
.sort-controls {
    text-align: center;
    margin-bottom: var(--space-m);
    font-size: 12px;
    color: var(--color-muted);
}

.sort-controls span {
    margin-right: var(--space-xs);
}

.btn-sort {
    background: none;
    border: 1px solid #ccc;
    color: #666;
    padding: var(--space-xxs) var(--space-xs);
    margin: 0 2px;
    cursor: pointer;
    border-radius: var(--radius-pill);
    transition: all var(--dur-fast);
    font-size: 11px;
}

.btn-sort:hover {
    background: #eee;
    color: #333;
    border-color: var(--color-muted);
}

/* ---------- Vita / Text Sections ---------- */
.text-columns {
    display: flex;
    gap: var(--space-l);
}

.text-columns .col {
    flex: 1;
}

.text-columns ul {
    list-style: none;
    margin-top: var(--space-xs);
}

.text-columns li {
    margin-bottom: var(--space-xxs);
}

/* Buttons in Vita */
.btn-clean {
    background: transparent;
    border: 1px solid var(--color-text);
    color: var(--color-text);
    padding: var(--space-xs) 30px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
    transition: all var(--dur);
}

.btn-clean:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Text content inside Vita blocks */
.text-content {
    line-height: 1.8;
    margin-bottom: var(--space-m);
}

.vita-block {
    margin-bottom: 30px;
}

/* ---------- Intro / Hero ---------- */
.intro-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-xl) auto;
}

.intro-quote {
    font-style: italic;
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--color-muted-2);
}

.intro-quote footer {
    display: block;
    margin-top: var(--space-xs);
    font-size: 12px;
    font-style: normal;
    color: var(--color-muted-3);
}

/* ---------- Lightbox & Text Modal ---------- */
.lightbox {
    display: none;
    position: fixed;
    z-index: var(--z-overlay);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-lightbox-bg);
    backdrop-filter: blur(var(--bg-blur));
    -webikit-backdrop-filter: blur(var(--bg-blur));

    /* JS sets display:flex when opened */
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    display: block;
    max-width: 90%;
    max-height: 80vh;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 5px solid var(--color-lightbox-border);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    animation-name: zoom;
    animation-duration: var(--dur);
}

.lightbox-caption {
    display: block;
    width: 80%;
    text-align: center;
    color: var(--color-lightbox-caption);
    padding: var(--space-s) 0;
    min-height: 50px;
    background: radial-gradient(circle, var(--color-lightbox-bg), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.lightbox-close {
    position: absolute;
    top: var(--space-m);
    right: 30px;
    color: var(--color-lightbox-close);
    font-size: 40px;
    font-weight: bold;
    transition: color var(--dur);
    cursor: pointer;
    z-index: var(--z-overlay-close);
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--color-lightbox-close-hover);
    text-decoration: none;
    cursor: pointer;
}

/* Text modal content (inside #text-modal.lightbox) */
.text-modal-content {
    background: var(--color-bg);
    width: 80%;
    max-width: 800px;
    height: 80vh;
    padding: var(--space-l);
    margin: 50px auto;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    animation-name: zoom;
    animation-duration: var(--dur);
}

div#text-modal-body {
	height: 100%;
	overflow-y: scroll;
}

/* Close Animation: gleicher Zoom, nur rückwärts */
.lightbox.is-closing .lightbox-content,
.lightbox.is-closing .text-modal-content {
    animation: zoomBack var(--dur) forwards;
}

/* Optional, Hintergrund beim Schließen weich ausblenden */
@keyframes lightboxFadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

.lightbox.is-closing {
    animation: lightboxFadeOut var(--dur) forwards;
}

/* ---------- Hero slider ---------- */
.hero-slider-container {
    position: relative;
    max-width: var(--hero-max-width);
    height: var(--hero-height);
    margin: 0 auto var(--space-xl) auto;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--color-slider-placeholder);
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;

    opacity: 0;
    transition: opacity var(--dur-slow) ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.slider-btns {
    opacity: 0;
    pointer-events: none;
    margin: 0 15px;
}

.hero-slider-container:hover .slider-btns {
    opacity: 1;
    pointer-events: auto;
    margin: 0 5px;
}

.slider-prev,
.slider-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 24px;
    transition: background-color var(--dur), opacity var(--dur), margin var(--dur);
    border: none;
    border-radius: var(--radius-s);
    background-color: var(--color-slider-control-bg);
    z-index: 10;
    user-select: none;
    box-shadow: 0 0 10px -5px var(--color-lightbox-bg);
}

.slider-prev {
    left: 0;
}

.slider-next {
    right: 0;
}

.slider-prev:hover,
.slider-next:hover {
    background-color: var(--color-slider-control-bg-hover);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Zoom (lightbox + modal) */
@keyframes zoom {
    from {
        transform: scale(0);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes zoomBack {
    from {
        transform: scale(1);
        opacity: 1;
    }

    to {
        transform: scale(0);
        opacity: 0;
    }
}

/* Pop animation for filtering (JS adds .anim-out / .anim-in) */
@keyframes popOutAnimation {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(0);
        opacity: 0;
    }
}

@keyframes popInAnimation {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.gallery-item.anim-out {
    animation: popOutAnimation var(--dur-med) forwards ease-out;
    pointer-events: none;
}

.gallery-item.anim-in {
    animation: popInAnimation var(--dur-med) ease-out;
}

/* ---------- Mobile responsive ---------- */
.menu-toggle {
    display: none;
    /* hidden on desktop */
}

@media screen and (max-width: 1200px) {
    .gallery-grid {
        column-count: 2;
    }
}


@media screen and (max-width: 768px) {
    .site-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;

        position: sticky;
        top: 0;
        z-index: var(--z-sticky);
        background: var(--color-bg);

        padding: var(--space-xs) var(--space-m);
        border-bottom: 1px solid var(--color-border-light);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .mobile-header-bar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: var(--color-bg);
        position: relative;
        z-index: var(--z-sticky-bar);
    }

    .circle-logo {
        width: 50px;
        height: 50px;
    }

    .logo-wrapper {
        margin-bottom: 0;
    }

    /* Hamburger */
    .menu-toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--space-xs);
    }

    .menu-toggle span {
        display: block;
        width: 25px;
        height: 2px;
        background-color: var(--color-text);
        margin: 5px 0;
        transition: var(--dur);
    }

    /* Overlay menu (does not push content) */
    .main-nav {
        display: none;

        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-bg);

        padding-bottom: var(--space-m);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.10);
        z-index: 1000;
        text-align: center;
    }

    .main-nav.is-open {
        display: block;
    }

    .copyright {
        margin-bottom: var(--space-m);
    }

    .content-area {
        padding: var(--space-m);
    }




    .gallery-grid {
        column-count: 1;
    }

    .text-columns {
        flex-direction: column;
        gap: var(--space-m);
    }
}