/* ============================================
   VARANTIS – Stylesheet
   Font: Roboto
   Farbpalette: Schwarz / Weiß / Akzentgrau
   ============================================ */

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f5f5f5;
    --color-bg-dark: #0a0a0a;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b6b;
    --color-text-light: #ffffff;
    --color-accent: #1a1a1a;
    --color-border: #e5e5e5;

    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.25s ease;

    --container-max: 1280px;
    --space-section: clamp(4rem, 8vw, 8rem);
}

/* ============================================
   RESET & BASIS
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all var(--transition);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 0.75rem 0;
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    height: 48px;
}

.logo {
    height: 100%;
    width: auto;
    transition: opacity var(--transition);
}

.logo-white { display: block; }
.logo-black { display: none; }

.site-header.scrolled .logo-white { display: none; }
.site-header.scrolled .logo-black { display: block; }

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-list a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--transition);
}

.nav-list a:hover::after { width: 100%; }

.site-header.scrolled .nav-list a {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: space-around;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-light);
    transition: all var(--transition);
}

.site-header.scrolled .nav-toggle span {
    background: var(--color-text);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.55) 0%,
        rgba(0, 0, 0, 0.45) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
    animation: fadeInUp 1.2s ease-out;
}

.hero-logo {
    width: clamp(120px, 18vw, 200px);
    margin: 0 auto 2.5rem;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

.hero-title {
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.95rem 2.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--color-text-light);
    color: var(--color-text);
    border-color: var(--color-text-light);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-light);
    border-color: var(--color-text-light);
}

.btn-outline:hover {
    background: var(--color-text-light);
    color: var(--color-text);
    transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    opacity: 0.8;
    animation: bounce 2s infinite;
    transition: opacity var(--transition);
}

.scroll-indicator:hover { opacity: 1; }

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid currentColor;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: currentColor;
    border-radius: 2px;
    animation: scrollWheel 1.8s ease-in-out infinite;
}

.scroll-text {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============================================
   SECTIONS – ALLGEMEIN
   ============================================ */
.section {
    padding: var(--space-section) 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.section-divider {
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    margin: 0 auto 1.5rem;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.section-header-light .section-eyebrow,
.section-header-light .section-intro {
    color: rgba(255, 255, 255, 0.7);
}

.section-header-light .section-title,
.section-header-light h2 {
    color: var(--color-text-light);
}

.section-header-light .section-divider {
    background: var(--color-text-light);
}

/* ============================================
   ÜBER UNS
   ============================================ */
.section-about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-text);
    padding-bottom: 4px;
    transition: all var(--transition);
}

.link-arrow:hover {
    transform: translateX(6px);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.about-img {
    max-width: 280px;
    width: 100%;
}

.about-img-full {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================
   STATISTIKEN
   ============================================ */
.section-stats {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 900;
    color: var(--color-text);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   LEISTUNGEN
   ============================================ */
.section-services {
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem 2rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--color-text);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--color-text);
    transition: transform var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   WERTE
   ============================================ */
.section-values {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem 1rem;
}

.value-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.value-item p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* ============================================
   KONTAKT
   ============================================ */
.section-contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.contact-item p,
.contact-item a {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text);
}

.contact-item a:hover {
    color: var(--color-text-muted);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    font-family: inherit;
    font-size: 1rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    align-self: flex-start;
    background: var(--color-text);
    color: var(--color-text-light);
    border-color: var(--color-text);
}

.contact-form .btn-primary:hover {
    background: transparent;
    color: var(--color-text);
}

.form-feedback {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    min-height: 1.2em;
}

.form-feedback.success { color: #2e7d32; }
.form-feedback.error { color: #c62828; }

/* Datenschutz-Hinweis unter dem Kontaktformular */
.form-privacy-hint {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin: -0.25rem 0 0;
}

.form-privacy-hint a {
    color: var(--color-text);
    text-decoration: underline;
}

.form-privacy-hint a:hover {
    text-decoration: none;
}

/* Submit-Button im Sendezustand */
.contact-form .btn-primary:disabled {
    opacity: 0.6;
    cursor: wait;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.25rem;
    color: var(--color-text-light);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a,
.footer-contact p,
.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-text-light);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ============================================
   ANIMATIONEN
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(15px); }
}

/* Reveal-Animation für Scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(75%, 320px);
        background: var(--color-bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform var(--transition);
        padding: 2rem;
    }

    .nav-list.active {
        transform: translateX(0);
    }

    .nav-list a {
        color: var(--color-text-light) !important;
        font-size: 1.15rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-links ul {
        align-items: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-video {
        display: none;
    }

    .hero {
        background: var(--color-bg-dark);
    }
}

:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

/* ============================================
   ERWEITERUNGEN: ZIELGRUPPEN
   ============================================ */
.target-audience {
    margin-top: 4rem;
    text-align: center;
}

.target-audience h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.target-audience > p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.audience-item {
    padding: 1.25rem 1rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
}

.audience-item:hover {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border-color: var(--color-bg-dark);
    transform: translateY(-3px);
}

/* ============================================
   STATS – PRÄFIX / SUFFIX
   ============================================ */
.section-stats {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    border: none;
}

.section-stats .stat-number,
.section-stats .stat-prefix,
.section-stats .stat-suffix {
    color: var(--color-text-light);
}

.section-stats .stat-label {
    color: rgba(255, 255, 255, 0.7);
}

.stat-prefix,
.stat-suffix {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 900;
    line-height: 1;
}

.stat-item {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
}

.stat-item .stat-label {
    flex-basis: 100%;
    margin-top: 0.5rem;
}

/* ============================================
   AUTOREN
   ============================================ */
.section-authors {
    background: var(--color-bg);
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
    gap: 2.5rem;
}

.author-card {
    padding: 2.5rem;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition);
}

.author-card:hover {
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.author-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.author-initial {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-text);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.author-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--color-bg-alt);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.author-header h3 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.author-card p {
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.author-card p:last-child {
    margin-bottom: 0;
}

/* ============================================
   WERKE TEASER (Startseite)
   ============================================ */
.section-works-teaser {
    background: var(--color-bg-alt);
}

.works-teaser-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.work-teaser {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition);
}

.work-teaser:hover {
    transform: translateY(-8px);
}

.work-cover,
.work-cover-image {
    aspect-ratio: 1 / 1.414;
    width: 100%;
    height: auto;
    margin-bottom: 1.25rem;
    transition: transform var(--transition);
    object-fit: contain;
    display: block;
    background: transparent;
    border: none;
    box-shadow: none;
}

.work-cover {
    padding: 1.5rem 1.25rem;
    color: var(--color-text-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    aspect-ratio: 3 / 4.2;
}

.book-cover-image {
    width: 100%;
    max-width: 420px;
    height: auto;
    display: block;
    margin: 0 auto;
    transition: transform var(--transition);
    background: transparent;
    border: none;
    box-shadow: none;
}

.book-cover-image:hover {
    transform: translateY(-4px);
}

.work-cover-dark {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
}

.work-cover-red {
    background: linear-gradient(135deg, #8a2828 0%, #6b1f1f 100%);
}

.work-cover-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.work-cover-author {
    font-size: 0.75rem;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.work-teaser h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.work-teaser p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.work-teaser .link-arrow {
    font-size: 0.9rem;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
}

.text-center {
    text-align: center;
}

.btn-dark {
    background: var(--color-text);
    color: var(--color-text-light);
    border-color: var(--color-text);
}

.btn-dark:hover {
    background: transparent;
    color: var(--color-text);
    transform: translateY(-2px);
}

/* ============================================
   STUDIE TEASER (Startseite)
   ============================================ */
.section-study-teaser {
    background: var(--color-bg);
}

.study-teaser-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.study-teaser-content .section-eyebrow {
    text-align: left;
}

.study-teaser-content .section-title {
    text-align: left;
}

.section-divider-left {
    margin-left: 0;
    margin-right: auto;
}

.study-teaser-content .lead {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.study-teaser-content p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.study-teaser-content blockquote {
    padding: 1.25rem 1.5rem;
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-text);
    font-style: italic;
    margin: 1.5rem 0 2rem;
    color: var(--color-text);
    font-size: 1.05rem;
}

.study-teaser-content blockquote cite {
    display: block;
    margin-top: 0.75rem;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.study-preview-video {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ============================================
   PAGE HERO (Unterseiten)
   ============================================ */
.page-subpage .site-header,
.site-header-fixed {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.page-subpage .site-header .logo-white,
.site-header-fixed .logo-white { display: none; }
.page-subpage .site-header .logo-black,
.site-header-fixed .logo-black { display: block; }

.page-subpage .site-header .nav-list a,
.site-header-fixed .nav-list a {
    color: var(--color-text);
}

.page-subpage .site-header .nav-toggle span,
.site-header-fixed .nav-toggle span {
    background: var(--color-text);
}

.nav-list a.active {
    font-weight: 700;
}

.page-hero {
    padding-top: 9rem;
    padding-bottom: 4rem;
    background: var(--color-bg-alt);
    text-align: left;
}

.page-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin: 1rem 0 1.5rem;
}

.page-hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 720px;
    margin-top: 1.5rem;
}

/* ============================================
   WERK DETAIL
   ============================================ */
.work-detail {
    background: var(--color-bg);
}

.work-detail-alt {
    background: var(--color-bg-alt);
}

.work-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 5rem;
    align-items: start;
    margin-bottom: 4rem;
}

.work-detail-grid-reverse {
    grid-template-columns: 1.3fr 1fr;
}

.work-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    font-weight: 500;
}

.work-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin: 1rem 0 0.75rem;
}

.work-tagline {
    font-size: 1.2rem;
    color: var(--color-text);
    font-weight: 300;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.work-description p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.work-features {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.work-features li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.85rem;
    color: var(--color-text);
    line-height: 1.5;
}

.work-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 12px;
    height: 12px;
    background: var(--color-text);
    transform: rotate(45deg);
}

.work-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-amazon {
    background: #FF9900;
    color: #131A22;
    border-color: #FF9900;
    font-weight: 700;
}

.btn-amazon:hover {
    background: #e88a00;
    border-color: #e88a00;
    color: #131A22;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 153, 0, 0.3);
}

/* "Erscheint in Kürze" - inaktiver Hinweis statt Bestell-Button */
.btn-coming-soon {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    border: 2px dashed var(--color-border);
    cursor: default;
    pointer-events: none;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-coming-soon:hover {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    transform: none;
    box-shadow: none;
}

.btn-outline-dark {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-text);
}

.btn-outline-dark:hover {
    background: var(--color-text);
    color: var(--color-text-light);
    transform: translateY(-2px);
}

/* ============================================
   BUCHCOVER (Detailansicht)
   ============================================ */
.work-detail-cover {
    position: sticky;
    top: 100px;
}

.book-cover {
    aspect-ratio: 1 / 1.414;
    padding: 2.25rem 2rem;
    color: var(--color-text-light);
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
    max-width: 420px;
    margin: 0 auto;
}

.book-cover-dark {
    background: linear-gradient(135deg, #3a3a3a 0%, #1a1a1a 100%);
}

.book-cover-red {
    background: linear-gradient(135deg, #8a2828 0%, #6b1f1f 100%);
}

.book-cover-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 1.25rem;
}

.book-authors {
    font-size: 0.95rem;
    line-height: 1.4;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.book-title-area {
    margin-top: 0.5rem;
}

.book-cover .book-title {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.2;
    margin-bottom: 0.85rem;
    color: var(--color-text-light);
}

.book-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    margin: 0.85rem 0;
}

.book-subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
}

.book-image-placeholder {
    flex: 1;
    margin-top: 1.25rem;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    border-radius: 2px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
    background-size: cover;
    background-position: center;
    text-align: center;
}

/* Buchcover-Bilder via Gradient + Symbolik */
.book-image-flock {
    background:
        linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7)),
        radial-gradient(circle at 30% 50%, #888, #444),
        #2a2a2a;
}

.book-image-office {
    background:
        linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7)),
        repeating-linear-gradient(135deg, #4a4a4a, #4a4a4a 8px, #3a3a3a 8px, #3a3a3a 16px);
}

.book-image-checkpoint {
    background:
        linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7)),
        linear-gradient(45deg, #2a4a5a, #1a3a4a);
}

.book-cover-logo {
    text-align: right;
    margin-top: auto;
}

.book-cover-logo img {
    width: 50px;
    opacity: 0.85;
    margin-left: auto;
}

/* ============================================
   REZENSIONEN
   ============================================ */
.reviews-section {
    margin-top: 5rem;
    padding-top: 4rem;
    border-top: 1px solid var(--color-border);
}

.reviews-section h3 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 1.5rem;
}

.review-card {
    padding: 2rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition);
}

.work-detail-alt .review-card {
    background: var(--color-bg);
}

.review-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.review-stars {
    color: #FF9900;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.review-text {
    color: var(--color-text);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 1.25rem;
}

.review-author {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* ============================================
   CTA-BOX
   ============================================ */
.section-cta {
    background: var(--color-bg);
    padding: 4rem 0;
}

.cta-box {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 4rem 3rem;
    text-align: center;
    border-radius: 4px;
}

.cta-box h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* ============================================
   STUDIE: HERO
   ============================================ */
.hero-study {
    min-height: 90vh;
}

.hero-overlay-darker {
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.75) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.85) 100%
    );
}

.hero-eyebrow {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.hero-meta {
    margin: 1.5rem 0 2.5rem;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    opacity: 0.85;
}

.hero-meta-separator {
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* ============================================
   STUDIE: INHALT
   ============================================ */
.section-study-intro {
    background: var(--color-bg);
}

.study-intro-grid {
    max-width: 800px;
    margin: 0 auto;
}

.study-intro-text .lead {
    font-size: 1.35rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.study-intro-text p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

/* Chapters */
.section-study-content {
    background: var(--color-bg-alt);
}

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: 1.5rem;
}

.chapter-item {
    background: var(--color-bg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition);
    position: relative;
}

.chapter-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--color-text);
}

.chapter-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-text-muted);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.chapter-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.chapter-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Quote */
.section-quote {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 5rem 0;
}

.big-quote {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.big-quote p {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 300;
    line-height: 1.4;
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
}

.big-quote p::before,
.big-quote p::after {
    content: '"';
    font-family: Georgia, serif;
    font-size: 4rem;
    opacity: 0.2;
    position: absolute;
    line-height: 1;
}

.big-quote p::before {
    top: -0.5rem;
    left: -1rem;
}

.big-quote p::after {
    bottom: -2rem;
    right: -1rem;
}

.big-quote cite {
    display: block;
    font-style: normal;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.7;
}

/* Theses */
.section-theses {
    background: var(--color-bg);
}

.theses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
    gap: 2rem;
}

.thesis-item {
    padding: 2.5rem;
    background: var(--color-bg-alt);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition);
}

.thesis-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.thesis-number {
    position: absolute;
    top: 1.5rem;
    right: 1.75rem;
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-text);
    opacity: 0.08;
    line-height: 1;
}

.thesis-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    position: relative;
}

.thesis-item p {
    color: var(--color-text-muted);
    line-height: 1.75;
    position: relative;
}

/* Study meta */
.section-study-meta {
    background: var(--color-bg-alt);
}

.study-meta-box {
    max-width: 760px;
    margin: 0 auto;
    background: var(--color-bg);
    padding: 3rem;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.study-meta-box h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

.meta-list {
    margin-bottom: 2.5rem;
}

.meta-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.meta-row:last-child {
    border-bottom: none;
}

.meta-row dt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    font-weight: 500;
    padding-top: 0.1rem;
}

.meta-row dd {
    color: var(--color-text);
    line-height: 1.5;
}

.study-cta {
    text-align: center;
}

/* ============================================
   FALLZAHLEN MIT VOLLFLÄCHIGEM VIDEO
   ============================================ */
.section-fallzahlen-hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    padding: clamp(5rem, 10vw, 8rem) 0;
}

.fallzahlen-hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.fallzahlen-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.75) 0%,
        rgba(0, 0, 0, 0.65) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 2;
}

.fallzahlen-hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.section-fallzahlen-hero .section-eyebrow,
.section-fallzahlen-hero .section-intro {
    color: rgba(255, 255, 255, 0.85);
}

.section-fallzahlen-hero .section-title {
    color: var(--color-text-light);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.section-fallzahlen-hero .section-divider {
    background: var(--color-text-light);
}

.fallzahlen-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 2rem 1.5rem;
    text-align: left;
    transition: all var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stat-card .stat-number {
    display: inline-block;
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 900;
    color: var(--color-text-light);
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.stat-card .stat-suffix {
    display: inline-block;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-text-light);
    line-height: 1;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.stat-card .stat-label {
    display: block;
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-top: 1rem;
    line-height: 1.4;
}

.stat-card .stat-source {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    line-height: 1.4;
}

.fallzahlen-footnote {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 800px;
    margin: 2rem auto 0;
    line-height: 1.6;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.fallzahlen-footnote em {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 968px) {
    .fallzahlen-stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 540px) {
    .fallzahlen-stats {
        grid-template-columns: 1fr;
    }

    .section-fallzahlen-hero {
        min-height: auto;
    }
}

/* ============================================
   WERK-BLÖCKE (Onepager)
   ============================================ */
.section-works {
    background: var(--color-bg);
    padding-bottom: 0;
}

.work-block {
    padding: 4rem 0;
    border-bottom: 1px solid var(--color-border);
}

.work-block:last-of-type {
    border-bottom: none;
}

.work-block-alt {
    background: var(--color-bg-alt);
    margin: 0 calc(-1 * clamp(1.5rem, 4vw, 3rem));
    padding-left: clamp(1.5rem, 4vw, 3rem);
    padding-right: clamp(1.5rem, 4vw, 3rem);
}

.work-block-grid {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 1.5fr;
    gap: 4rem;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.work-block-grid-reverse {
    grid-template-columns: 1.5fr minmax(280px, 1fr);
}

.work-block-cover {
    position: sticky;
    top: 100px;
}

.work-block-cover .book-cover-image {
    max-width: 400px;
    width: 100%;
}

.work-block-content .work-category {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    font-weight: 500;
}

.work-block-content .work-title {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    margin: 1rem 0 0.75rem;
    line-height: 1.2;
}

.work-block-content .work-tagline {
    font-size: 1.15rem;
    color: var(--color-text);
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.work-block-content .work-description p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.work-quote {
    padding: 1.25rem 1.5rem;
    background: var(--color-bg);
    border-left: 4px solid var(--color-text);
    font-style: italic;
    margin: 1.5rem 0;
    color: var(--color-text);
    font-size: 1.05rem;
    line-height: 1.6;
}

.work-block-alt .work-quote {
    background: white;
}

.work-quote cite {
    display: block;
    margin-top: 0.75rem;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.work-block .reviews-section {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.work-block .reviews-section h4 {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.work-block-alt .review-card {
    background: white;
}

/* ============================================
   STUDIE: STATISCHE REZENSIONEN
   ============================================ */
.study-reviews {
    margin-top: 3.5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.study-reviews-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.study-reviews-header .section-eyebrow {
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.study-reviews-header h3 {
    font-size: 1.6rem;
    margin: 0;
    color: var(--color-text);
}

.study-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
    gap: 2rem;
    align-items: start;
}

.study-review-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-text);
    border-radius: 2px;
    padding: 1.75rem 1.75rem 1.5rem;
    transition: box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.work-block-alt .study-review-card {
    background: white;
}

.study-review-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.study-review-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 1rem;
    line-height: 1.35;
}

.study-review-text p {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.75;
    margin: 0 0 1rem;
    font-style: italic;
}

.study-review-text p:last-child {
    margin-bottom: 0;
}

.study-review-snippet::before {
    content: '„';
    margin-right: 1px;
}

.study-review-snippet::after {
    content: '"';
    margin-left: 1px;
}

.study-review-more {
    margin-top: 1rem;
    animation: studyReviewExpand 0.4s ease;
}

@keyframes studyReviewExpand {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.study-review-toggle {
    align-self: flex-start;
    margin: 1rem 0 1.25rem;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--color-text);
    padding-bottom: 2px;
    transition: transform var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.study-review-toggle:hover {
    transform: translateX(4px);
}

.study-review-toggle .toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 0.85em;
}

.study-review-toggle[aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

/* LinkedIn-Style Author-Block mit rundem Avatar */
.study-review-author {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.study-review-avatar {
    display: block;
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    min-width: 56px;
    max-width: 56px;
    min-height: 56px;
    max-height: 56px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-bg);
    box-shadow: 0 0 0 1px var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.work-block-alt .study-review-avatar {
    border-color: white;
}

.study-review-avatar:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px var(--color-text), 0 4px 12px rgba(0, 0, 0, 0.1);
}

.study-review-avatar img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}

.study-review-meta {
    flex: 1;
    min-width: 0;
}

.study-review-meta strong {
    display: block;
    color: var(--color-text);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
    line-height: 1.3;
}

.study-review-role {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    line-height: 1.5;
}

.study-review-author a {
    color: var(--color-text);
    text-decoration: none;
}

.study-review-meta strong a {
    border-bottom: 1px dotted var(--color-border);
}

.study-review-meta strong a:hover {
    border-bottom-color: var(--color-text);
}

@media (max-width: 720px) {
    .study-reviews-grid {
        grid-template-columns: 1fr;
    }
    .study-review-card {
        padding: 1.5rem 1.5rem 1.25rem;
    }
    .study-review-author {
        gap: 0.75rem;
    }
    .study-review-avatar {
        flex: 0 0 48px;
        width: 48px;
        height: 48px;
        min-width: 48px;
        max-width: 48px;
        min-height: 48px;
        max-height: 48px;
    }
    .study-review-meta strong {
        font-size: 0.95rem;
    }
    .study-review-role {
        font-size: 0.8rem;
    }
}

/* ============================================
   LIGHTBOX FÜR LESEPROBEN
   ============================================ */
.leseprobe-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.leseprobe-lightbox.active {
    display: flex;
}

.leseprobe-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.leseprobe-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    max-height: 100%;
    background: transparent;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.leseprobe-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0 1rem;
    color: var(--color-text-light);
    gap: 1rem;
}

.leseprobe-title {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 500;
    color: var(--color-text-light);
    margin: 0;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.leseprobe-close {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    font-size: 1.5rem;
    line-height: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.leseprobe-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.leseprobe-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex: 1;
    min-height: 0;
    position: relative;
}

.leseprobe-image-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 75vh;
    background: white;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    min-height: 300px;
}

.leseprobe-image {
    max-width: 100%;
    max-height: 75vh;
    width: auto;
    height: auto;
    display: block;
    object-fit: contain;
}

.leseprobe-empty {
    padding: 4rem 2rem;
    text-align: center;
    color: var(--color-text);
}

.leseprobe-empty p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.leseprobe-empty a {
    color: var(--color-text);
    text-decoration: underline;
}

.leseprobe-nav {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    padding-bottom: 4px;
}

.leseprobe-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.leseprobe-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.leseprobe-footer {
    padding: 1rem 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-light);
}

.leseprobe-counter {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.leseprobe-thumbnails {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
}

.leseprobe-thumb {
    width: 48px;
    height: 64px;
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
    border: 2px solid transparent;
    background: white;
    padding: 0;
    flex-shrink: 0;
}

.leseprobe-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.leseprobe-thumb:hover {
    opacity: 0.85;
}

.leseprobe-thumb.active {
    opacity: 1;
    border-color: var(--color-text-light);
}

body.lightbox-open {
    overflow: hidden;
}

@media (max-width: 720px) {
    .leseprobe-stage {
        gap: 0.5rem;
    }

    .leseprobe-nav {
        width: 40px;
        height: 40px;
        font-size: 1.6rem;
    }

    .leseprobe-image-wrapper {
        max-height: 65vh;
    }

    .leseprobe-image {
        max-height: 65vh;
    }
}

/* ============================================
   LEGAL (Impressum, Datenschutz)
   ============================================ */
.section-legal {
    background: var(--color-bg);
    padding-top: 3rem;
}

.legal-content {
    max-width: 820px;
    margin: 0 auto;
    color: var(--color-text);
    line-height: 1.75;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.legal-content p {
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

.legal-content a {
    color: var(--color-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.legal-content a:hover {
    color: var(--color-text-muted);
}

/* Rot markierte Platzhalter */
.platzhalter {
    color: #c62828;
    font-weight: 500;
    background: rgba(198, 40, 40, 0.07);
    padding: 0.1em 0.4em;
    border-radius: 3px;
    border-left: 3px solid #c62828;
    display: inline-block;
    line-height: 1.5;
}

p.platzhalter {
    display: block;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
}

.legal-hinweis {
    margin-top: 3rem;
    padding: 1.25rem 1.5rem;
    background: rgba(198, 40, 40, 0.08);
    border: 1px solid rgba(198, 40, 40, 0.2);
    border-radius: 4px;
    color: var(--color-text);
    font-size: 0.95rem;
}

.legal-hinweis strong {
    color: #c62828;
}

/* ============================================
   SCHULUNGEN (JDDT)
   ============================================ */
.section-schulungen {
    background: var(--color-bg);
}

.schulungen-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.schulungen-text .lead {
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.schulungen-text p {
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 1.25rem;
}

.schulungen-features {
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
}

.schulungen-features li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.85rem;
    color: var(--color-text);
    line-height: 1.55;
    font-size: 0.98rem;
}

.schulungen-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    background: var(--color-text);
    transform: rotate(45deg);
}

.schulungen-features strong {
    color: var(--color-text);
    font-weight: 700;
}

.schulungen-note {
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 1.5rem;
    margin-bottom: 1.25rem !important;
}

.schulungen-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.schulungen-media {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.schulungen-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.schulungen-logo-link {
    display: inline-flex;
    padding: 0.5rem;
    background: transparent;
    border-radius: 4px;
    transition: transform var(--transition);
    border: none;
    margin-top: 0.5rem;
}

.schulungen-logo-link:hover {
    transform: translateY(-2px);
}

.schulungen-logo {
    max-width: 220px;
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 968px) {
    .schulungen-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .schulungen-media {
        order: -1;
    }
}

/* ============================================
   STUDIE-DOWNLOAD
   ============================================ */
.section-download {
    background: var(--color-bg-alt);
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.download-info h3,
.download-form h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.download-features {
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
}

.download-features li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.85rem;
    color: var(--color-text);
    line-height: 1.5;
}

.download-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.1rem;
}

.download-meta {
    background: white;
    padding: 1.25rem 1.5rem;
    border-radius: 4px;
    border-left: 4px solid var(--color-text);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

.download-meta strong {
    color: var(--color-text);
    font-weight: 500;
}

.download-form {
    background: white;
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.download-form .form-group {
    margin: 0;
}

.form-group-checkbox {
    flex-direction: row !important;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.form-group-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 0.2rem;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-text);
}

.form-group-checkbox label {
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-text-muted);
    font-weight: 400;
    cursor: pointer;
}

.btn-download {
    background: var(--color-text);
    color: var(--color-text-light);
    border-color: var(--color-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.1rem 2rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.btn-download:hover {
    background: transparent;
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.btn-icon {
    font-size: 1.2em;
    line-height: 1;
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
    text-align: right;
}

/* Honeypot - für Menschen unsichtbar, für Bots sichtbar */
.form-honeypot {
    position: absolute !important;
    left: -10000px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* Captcha - sichtbare Sicherheitsfrage */
.form-group-captcha {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-text);
    border-radius: 2px;
    padding: 1.1rem 1.25rem;
    margin: 0;
}

.form-group-captcha label {
    display: block;
    margin-bottom: 0.75rem;
    text-transform: none;
    letter-spacing: 0;
}

.form-group-captcha .captcha-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.form-group-captcha .captcha-question {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 400;
}

.form-group-captcha .captcha-question strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
}

.form-group-captcha .captcha-op {
    font-weight: 700;
    color: var(--color-text);
    font-size: 1.1rem;
}

.form-group-captcha input[type="number"] {
    max-width: 200px;
    -moz-appearance: textfield;
}

.form-group-captcha input[type="number"]::-webkit-outer-spin-button,
.form-group-captcha input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

@media (max-width: 968px) {
    .download-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 540px) {
    .download-form {
        padding: 1.75rem 1.25rem;
    }
}

/* ============================================
   RESPONSIVE ANPASSUNGEN
   ============================================ */
@media (max-width: 968px) {
    .study-teaser-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .work-block-grid,
    .work-block-grid-reverse {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .work-block-cover {
        position: static;
        max-width: 320px;
        margin: 0 auto;
    }

    .work-block-grid-reverse .work-block-cover {
        order: -1;
    }

    .work-detail-grid,
    .work-detail-grid-reverse {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .work-detail-cover {
        position: static;
        max-width: 320px;
        margin: 0 auto;
    }

    .work-detail-grid-reverse .work-detail-cover {
        order: -1;
    }

    .meta-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@media (max-width: 720px) {
    .audience-grid {
        grid-template-columns: 1fr 1fr;
    }

    .page-hero {
        padding-top: 7rem;
    }

    .cta-box {
        padding: 3rem 1.5rem;
    }

    .study-meta-box {
        padding: 2rem 1.5rem;
    }

    .author-card {
        padding: 1.75rem;
    }

    .author-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .work-actions {
        flex-direction: column;
    }

    .work-actions .btn {
        width: 100%;
        text-align: center;
    }
}


/* ============================================
   KI-KENNZEICHNUNG (Art. 50 KI-VO)
   ============================================ */
.ki-badge {
    position: absolute;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(10, 10, 10, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: none;
}

.ki-badge-bottom-right {
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
}

.ki-badge-top-right {
    top: 0.75rem;
    right: 0.75rem;
}

.ki-badge-frame {
    position: relative;
    width: 100%;
}

.ki-badge-subtle {
    right: 0.6rem;
    bottom: 0.6rem;
    padding: 0.15rem 0.55rem;
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.75);
    background: rgba(10, 10, 10, 0.35);
    border-color: rgba(255, 255, 255, 0.15);
}

/* =============== AMAZON-BADGE (offizielles "Erhältlich bei Amazon"-Badge) =============== */
.amazon-badge-link {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.25rem;
    line-height: 0;
}

.amazon-badge-img {
    height: 44px;
    width: auto;
    display: block;
}

/* =============== REZENSIONEN: EINZELNE KARTE (26.10.2026, Buch-Rezension) =============== */
.study-reviews-grid--single {
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
}

/* =============================================================
   RESPONSIV-OPTIMIERUNG (26.10.2026)
   Mobile Nutzung: kein Querscrollen, Touch-Ziele >= 44 px,
   geschlossene Navigation nicht erreichbar, lesbare Mindestgrößen.
   ============================================================= */
html {
    overflow-x: hidden;   /* Fallback für ältere Browser */
    overflow-x: clip;
}

/* Primär-Button auf hellem Grund: vorher weiß auf weiß (wirkte wie Text) */
.section-works .btn-primary,
.section-schulungen .btn-primary,
.work-detail .btn-primary {
    background: var(--color-text);
    color: var(--color-text-light);
    border-color: var(--color-text);
}
.section-works .btn-primary:hover,
.section-schulungen .btn-primary:hover,
.work-detail .btn-primary:hover {
    background: transparent;
    color: var(--color-text);
    box-shadow: none;
}

/* Kennzeichnung KI-generiert: mindestens 11 px */
.ki-badge-subtle {
    font-size: 0.7rem;
}

/* Rezensionen: Trefferfläche "Mehr lesen" vergrößern, Optik unverändert */
.study-review-toggle {
    position: relative;
}
.study-review-toggle::before {
    content: '';
    position: absolute;
    inset: -12px -8px;
}

@media (max-width: 720px) {
    /* Menü-Schalter: 44 x 44 px statt 32 x 32 px */
    .nav-toggle {
        width: 44px;
        height: 44px;
        padding: 10px;
        margin-right: -10px;
    }

    /* Geschlossenes Menü: aus dem Fokus- und Vorlesefluss nehmen */
    .nav-list {
        height: 100vh;
        height: 100dvh;
        visibility: hidden;
        transition: transform var(--transition), visibility 0s linear 0.4s;
    }
    .nav-list.active {
        visibility: visible;
        transition: transform var(--transition), visibility 0s;
    }
    .nav-list a {
        display: inline-block;
        padding: 0.7rem 0.5rem;
    }

    /* Fußzeile: Links als volle Touch-Zeilen */
    .footer-links ul {
        gap: 0;
    }
    .footer-links a,
    .footer-contact a {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
    }

    /* Kontaktangaben (Telefon, E-Mail, Web) */
    .contact-info a {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
    }
}