:root {
    /* === HAUPTFARBEN === */
    --wg-dark: #141033;
    --wg-violet: #2a245a;
    --wg-glow: #6b58ff;
    --wg-text: #e0def5;
    --wg-scale: 0.8;

    /* === FARB-BASEN (für rgba) === */
    --color-glow-rgb: 107, 88, 255;
    --color-dark-rgb: 10, 8, 20;
    --color-violet-rgb: 42, 36, 90;
    --color-footer-rgb: 15, 13, 28;
    --color-card-rgb: 20, 18, 35;

    /* === GLOW SHADOWS === */
    --glow-shadow-light: rgba(var(--color-glow-rgb), 0.25);
    --glow-shadow-medium: rgba(var(--color-glow-rgb), 0.45);
    --glow-shadow-strong: rgba(var(--color-glow-rgb), 0.5);
    --glow-shadow-intense: rgba(var(--color-glow-rgb), 0.75);

    /* === BACKGROUNDS === */
    --card-bg: rgba(var(--color-card-rgb), 0.6);
    --nav-bg: rgba(var(--color-footer-rgb), 0.95);
    --footer-bg-solid: rgba(var(--color-footer-rgb), 1);
    --footer-bg-semi: rgba(var(--color-footer-rgb), 0.95);

    /* === HEADER === */
    --header-height-mobile: 140px;
    --header-height-desktop: 150px;

    /* === SPACING === */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 1.6rem;
    --spacing-2xl: 1.8rem;
    --spacing-3xl: 2rem;

    /* === TYPOGRAPHY === */
    --font-family: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
    --font-family-heading: 'Cormorant Garamond', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
    --font-size-sm: 0.9rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.3rem;
    --letter-spacing-sm: 0.5px;
    --letter-spacing-md: 1px;
    --letter-spacing-lg: 2px;

    /* === OPACITY === */
    --opacity-low: 0.5;
    --opacity-medium: 0.8;
    --opacity-high: 0.85;
    --opacity-higher: 0.95;

    /* === TRANSITIONS === */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s ease;
    --transition-very-slow: 1s ease;

    /* === BORDER RADIUS === */
    --border-radius: 16px;
    --border-radius-sm: 2px;

    /* === BACKDROP === */
    --backdrop-blur: blur(3px);
    --backdrop-blur-strong: blur(6px);

    /* === BOX SHADOWS === */
    --shadow-glow: 0 0 25px var(--glow-shadow-light);
    --shadow-glow-strong: 0 0 45px var(--glow-shadow-strong);
    --shadow-inset-glow: inset 0 0 40px var(--glow-shadow-light);
    --shadow-footer: 0 -6px 30px var(--glow-shadow-light), 0 -10px 60px var(--glow-shadow-light);
    --shadow-footer-pulse: 0 -8px 45px var(--glow-shadow-strong), 0 -14px 70px var(--glow-shadow-strong);

    /* === DROP SHADOWS === */
    --drop-shadow-glow: drop-shadow(0 0 10px var(--glow-shadow-medium));
    --drop-shadow-glow-strong: drop-shadow(0 0 16px var(--glow-shadow-intense));

    /* === GRADIENTS === */
    --gradient-radial-glow: radial-gradient(circle at 50% 80%, rgba(var(--color-violet-rgb), 0.3), transparent 70%);
    --gradient-footer: linear-gradient(to top, var(--footer-bg-solid) 0%, var(--footer-bg-semi) 40%, rgba(var(--color-violet-rgb), 0.6) 75%, rgba(var(--color-violet-rgb), 0.15) 100%);
    --gradient-vignette: radial-gradient(circle at center, rgba(0, 0, 0, 0) 60%, rgba(var(--color-dark-rgb), 0.35) 90%, rgba(var(--color-dark-rgb), 0.6) 100%);
    --gradient-vertical-fade: linear-gradient(to bottom, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, rgba(0, 0, 0, 0.4) 100%);
    --gradient-page-transition: radial-gradient(circle at center, rgba(var(--color-violet-rgb), 0.9) 0%, rgba(var(--color-dark-rgb), 1) 100%);
    --gradient-underline: linear-gradient(90deg, transparent, var(--wg-dark), transparent);

    /* === MIX BLEND MODES === */
    --blend-soft-light: soft-light;
    --blend-screen: screen;
    --blend-lighten: lighten;

    /* === TEXT SHADOWS === */
    --text-shadow-glow: 0 0 10px var(--glow-shadow-light);
    --text-shadow-glow-md: 0 0 12px var(--glow-shadow-light);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--wg-glow);
    color: var(--wg-dark);
    padding: 0.5rem 1rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 4px 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--wg-text);
}

/* ============================================
   GLOBAL RESETS
   ============================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
}

/**************************************************************/
/* KEYFRAMES */
/**************************************************************/
@keyframes dustDrift {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 600px 1000px;
    }
}

@keyframes footerPulse {
    from {
        box-shadow: var(--shadow-footer);
    }

    to {
        box-shadow: var(--shadow-footer-pulse);
    }
}

@keyframes waveMotion {
    0% {
        transform: translateX(0) scaleY(1);
    }

    50% {
        transform: translateX(-25%) scaleY(1.25);
    }

    100% {
        transform: translateX(0) scaleY(1);
    }
}

/**************************************************************/
/* HINWEIS SECTION */
/**************************************************************/
.hinweis-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-3xl) 4.5rem;
    margin-top: -2.5rem;
    color: var(--wg-text);
    line-height: 1.3;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    opacity: var(--opacity-high);
    background: var(--gradient-radial-glow);
    border-top: 1px solid var(--glow-shadow-light);
    box-shadow: var(--shadow-inset-glow);
}

.hinweis-section h2 {
    font-family: var(--font-family-heading);
    color: var(--wg-dark);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-lg);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    text-shadow: var(--text-shadow-glow);
}

.hinweis-section a {
    color: var(--wg-dark);
    text-decoration: none;
}

/**************************************************************/
/* HINTERGRUND-VIGNETTE + NOISE */
/**************************************************************/
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: var(--gradient-vignette), var(--gradient-vertical-fade);
    mix-blend-mode: var(--blend-soft-light);
    opacity: var(--opacity-higher);
    transition: opacity var(--transition-very-slow);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: url("../media/noise.png");
    background-size: 600px 600px;
    mix-blend-mode: var(--blend-screen);
    opacity: .08;
    animation: dustDrift 60s linear infinite;
    z-index: 2;
}

.main-wrapper,
.moodboard-grid,
.hinweis-section,
.footer,
.site-header {
    position: relative;
    z-index: 3;
}

/**************************************************************/
/* GRUNDLAYOUT */
/**************************************************************/
html,
body {
    height: auto;
    overflow-x: hidden;
    overflow-y: auto;
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: var(--font-family);
    background: url('../media/moodboard_bg.png') center center / cover no-repeat fixed;
    color: var(--wg-text);
}

/**************************************************************/
/* HEADER */
/**************************************************************/
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    padding: var(--spacing-xs) var(--spacing-3xl);
    box-sizing: border-box;
}

.logo-container {
    position: relative;
    display: inline-block;
}

.logo-container img.logo {
    display: block;
    height: 120px;
    width: auto;
    margin: 0 auto;
    z-index: 2;
    filter: var(--drop-shadow-glow);
}

/**************************************************************/
/* FOOTER CLAIM LOGO */
/**************************************************************/
.footer-claim-logo {
    width: 100%;
    text-align: center;
    margin-top: -1.5rem;
    margin-bottom: 0.25rem;
    z-index: 20;
    position: relative;
}

.footer-claim-logo img {
    width: 220px;
    height: auto;
    opacity: var(--opacity-high);
    mix-blend-mode: var(--blend-lighten);
    filter: var(--drop-shadow-glow);
    transition: opacity var(--transition-medium), filter var(--transition-medium);
}

.footer-claim-logo img:hover {
    opacity: 1;
    filter: var(--drop-shadow-glow-strong);
}

@media (max-width: 768px) {
    .claim-overlay {
        padding-left: 4rem;
    }

    .claim-overlay img {
        width: 180px;
    }
}

/**************************************************************/
/* BURGER MENU */
/**************************************************************/
.burger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 3000;
    background: transparent;
    border: none;
    padding: 0;
}

.burger span {
    width: 28px;
    height: 3px;
    background: var(--wg-glow);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/**************************************************************/
/* NAVIGATION */
/**************************************************************/
.main-nav {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-md);
}

.main-nav ul {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.main-nav a {
    position: relative;
    text-decoration: none;
    color: var(--wg-text);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    letter-spacing: var(--letter-spacing-md);
    opacity: var(--opacity-high);
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 1px;
    background: var(--gradient-underline);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-medium), background var(--transition-fast);
}

.main-nav a:hover {
    color: var(--wg-dark);
    opacity: 1;
}

.main-nav a:hover::after {
    transform: scaleX(1);
}

.main-nav a.active {
    color: var(--wg-dark);
    opacity: 1;
    font-weight: 500;
    pointer-events: none;
}

.main-nav a.active::after {
    transform: scaleX(1);
    opacity: var(--opacity-higher);
}

.main-nav a.inactive {
    color: rgba(224, 222, 245, 0.25);
    opacity: var(--opacity-low);
    pointer-events: none;
    filter: grayscale(80%) brightness(.7);
}

.main-nav.open a.active {
    color: var(--wg-glow) !important;
    text-shadow: var(--text-shadow-glow-md);
    font-weight: 600;
}

/**************************************************************/
/* HAUPTBEREICH */
/**************************************************************/
.main-wrapper {
    flex: 1;
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 130px !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

/**************************************/
/* PAGE END SPACER */
/***************************************/
.page-end-spacer {
    height: 7rem;
}

/**************************************************************/
/* FOOTER */
/**************************************************************/
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 145px;
    padding: var(--spacing-lg) var(--spacing-sm) 0.75rem;
    text-align: center;
    border-top: 1px solid var(--glow-shadow-light);
    background: var(--gradient-footer);
    box-shadow: var(--shadow-footer);
    backdrop-filter: var(--backdrop-blur-strong);
    animation: footerPulse 14s ease-in-out infinite alternate;
    z-index: 10;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    top: -30px;
    left: 0;
    width: 200%;
    height: 60px;
    background: radial-gradient(circle at 50% 100%, var(--glow-shadow-light) 25%, transparent 80%);
    opacity: .5;
    filter: blur(14px);
    animation: waveMotion 18s ease-in-out infinite;
}

.footer a {
    color: var(--wg-glow);
    text-decoration: none;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
}

.footer a:hover {
    text-decoration: underline;
    color: #a79bff;
    text-shadow: 0 0 10px var(--wg-glow);
}

.footer-claim {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-sm);
    color: rgba(224, 222, 245, var(--opacity-medium));
    margin: 0;
}

.footer-icon {
    height: 1em;
    vertical-align: -0.1em;
    margin-right: 0.4em;
    filter: brightness(1.2);
    opacity: var(--opacity-high);
    transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.footer-icon:hover {
    opacity: 1;
    filter: drop-shadow(0 0 6px var(--wg-glow));
}

.copyright {
    font-size: 0.7rem;
    opacity: 0.6;
    margin-top: 0.2rem;
    letter-spacing: var(--letter-spacing-sm);
}

/**************************************************************/
/* YOUTUBE LINK */
/**************************************************************/
.yt-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
    color: var(--wg-glow);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.yt-link:hover {
    color: var(--wg-dark);
}

.yt-icon {
    width: 1.2em;
    height: 1.2em;
    color: #6200ff;
    filter: drop-shadow(0 0 6px rgba(146, 50, 255, 0.4));
    transition: transform var(--transition-fast);
}

.yt-link:hover .yt-icon {
    transform: scale(1.1);
}

/**************************************************************/
/* PAGE TRANSITION */
/**************************************************************/
.page-transition {
    position: fixed;
    inset: 0;
    background: var(--gradient-page-transition);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow);
}

.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

/**************************************************************/
/* MEDIA QUERIES */
/**************************************************************/
@media (max-width: 768px) {
    body {
        padding-bottom: calc(160px + 2rem);
    }

    .page-end-spacer {
        height: calc(160px + 2rem);
    }

    .logo-container {
        position: relative;
        left: 0;
        margin-left: var(--spacing-xs);
        margin-bottom: 0.25rem;
        z-index: 100;
        text-align: left;
    }

    .logo-container img {
        width: auto;
        height: 50px;
        display: block;
    }

    .claim-overlay {
        padding-left: 4rem;
    }

    .claim-overlay img {
        width: 180px;
    }
}

/* === KINDLE FIRE HD (800x1280) === */
@media (min-width: 769px) and (max-width: 820px) {
    .site-header {
        padding: var(--spacing-xs) var(--spacing-lg);
    }

    .logo-container img {
        height: 70px;
        max-width: 100px;
    }

    .main-wrapper {
        width: 98%;
        max-width: 100%;
        padding-top: 100px !important;
    }

    .main-nav ul {
        gap: var(--spacing-lg);
    }

    .main-nav a {
        font-size: var(--font-size-sm);
    }

    .footer {
        height: 100px;
        padding-top: var(--spacing-md);
    }

    .footer-claim-logo img {
        width: 160px;
    }

    .footer a,
    .footer-claim {
        font-size: 0.75rem;
    }

    .copyright {
        font-size: 0.6rem;
    }

    .hinweis-section {
        max-width: 95%;
        padding: var(--spacing-md) var(--spacing-lg) 3rem;
        font-size: var(--font-size-md);
    }

    .hinweis-section h2 {
        font-size: var(--font-size-lg);
    }

    .page-end-spacer {
        height: 8rem;
    }
}

/* === KINDLE FIRE HD LANDSCAPE (1280x800) === */
@media (min-height: 700px) and (max-height: 820px) and (orientation: landscape) {
    .main-wrapper {
        width: 95%;
        padding-top: 110px !important;
    }

    .footer {
        height: 95px;
    }

    .page-end-spacer {
        height: 6rem;
    }
}

@media (min-width: 700px) and (max-width: 991px) {
    .logo-container img {
        max-width: 90px;
        height: auto;
    }

    .main-wrapper {
        padding-top: 180px;
    }
}

@media (max-width: 991px) {

    .site-claim,
    .claim-overlay {
        display: none !important;
    }

    .burger {
        display: flex;
        position: absolute;
        top: var(--spacing-md);
        right: 1.5rem;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--nav-bg);
        backdrop-filter: var(--backdrop-blur);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-medium);
    }

    .main-nav.open {
        max-height: 320px;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 0;
        gap: var(--spacing-md);
    }

    .main-wrapper {
        padding-top: var(--header-height-mobile);
        height: auto;
        overflow: visible;
    }

    .moodboard-grid {
        margin-top: 3rem;
    }
}

@media (min-width: 992px) {
    .moodboard-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }

    .moodboard-card {
        max-width: 220px;
        width: 100%;
        margin: 0 auto;
    }

    .site-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        height: 140px;
        padding: 0 var(--spacing-3xl);
        max-width: 1400px;
        margin: 0 auto;
        left: 50%;
        transform: translateX(-50%);
    }

    .logo-container {
        justify-content: flex-start;
        width: auto;
    }

    .logo-container img {
        height: 100px;
        max-width: 140px;
    }

    .main-nav {
        width: auto;
        margin-top: 0;
    }

    .main-nav ul {
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: var(--spacing-3xl);
    }

    .main-wrapper {
        padding-top: var(--header-height-desktop);
    }

    .claim-overlay {
        padding-left: 4rem;
        top: 90px;
    }

    .claim-overlay img {
        width: 180px;
    }
}