/* ═══════════════════════════════════════════════════════
   58 · Knowledge – Das Goldene Wissen
   Mobile-First · Ophyr Luxury Design System
   Editorial Chapter Navigation · CSS Grid Accordion
   ═══════════════════════════════════════════════════════ */

/* ── Page Background ── */
body.knowledge-page {
    background-color: var(--anthrazit, #2b2b2b);
}

body.knowledge-page main {
    padding-top: 0;
}

/* ── Hero Section ── */
.knowledge-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(1rem, 2.4vw, 1.6rem) var(--container-padding) clamp(1.5rem, 3.5vw, 2.5rem);
    overflow: hidden;
}

.knowledge-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse 80% 60% at 50% 40%,
        rgba(196, 161, 105, 0.06) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.knowledge-hero-overtitle {
    font-family: var(--font-accent);
    font-size: clamp(0.6rem, 1.5vw, 0.72rem);
    font-weight: 500;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.75;
    margin-bottom: clamp(0.32rem, 0.8vw, 0.48rem);
}

.knowledge-hero-title {
    font-family: var(--font-accent);
    font-size: clamp(1.6rem, 5vw, 3rem);
    font-weight: 200;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ivory-polished, #FDFCF8);
    line-height: 1.3;
    margin: 0 0 clamp(1.875rem, 4.375vw, 3.125rem);
}

.knowledge-hero-subtitle {
    font-family: var(--font-editorial);
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.8;
    color: rgba(253, 252, 248, 0.7);
    opacity: 0.8;
    max-width: 36rem;
    margin: 0 auto;
}

.knowledge-hero-intro {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    text-align: left;
}

@media (min-width: 48rem) and (max-width: 63.99rem) {
    .knowledge-hero-intro {
        max-width: 42rem;
    }
}

@media (min-width: 64rem) {
    .knowledge-hero-intro {
        max-width: 52rem;
    }
}

/* Page-spezifischer Override: »Gold is beautiful« → Gold-Akzent */
body.knowledge-page .store-highlight-statement {
    color: var(--gold, #c4a169);
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    border-left: 3px solid var(--gold, #c4a169);
    padding-left: clamp(1.2rem, 3.5vw, 1.8rem);
}

.knowledge-hero-intro h2.knowledge-intro-subtitle {
    font-family: var(--font-accent);
    font-size: clamp(1.25rem, 2.8vw, 1.55rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold, #c4a169);
    margin: 0 0 clamp(1.2rem, 2.5vw, 1.8rem);
    padding-left: 0;
}

.knowledge-hero-intro .news-body-text {
    font-family: var(--font-accent);
    font-size: clamp(1.22rem, 2.7vw, 1.35rem);
    line-height: 1.85;
    color: rgba(253, 252, 248, 0.92);
    margin-top: 0;
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    padding-left: 0;
}

.knowledge-hero-intro .news-body-text:last-child {
    margin-bottom: 0;
}

/* ── Ornament ── */
.knowledge-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.6rem, 1.5vw, 1rem);
    margin: clamp(1.5rem, 4vw, 2.5rem) auto;
}

.knowledge-ornament-line {
    width: clamp(2rem, 8vw, 5rem);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.3;
}

.knowledge-ornament-dot {
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0.5;
}

/* ── Chapter Navigation Grid ── */
.knowledge-chapters {
    max-width: 64rem;
    margin: 0 auto;
    padding: clamp(2.25rem, 5.5vw, 4.25rem) var(--container-padding) clamp(3rem, 8vw, 5rem);
}

.knowledge-chapter-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.2rem, 3vw, 1.8rem);
}

/* ── Single Chapter Card ── */
.knowledge-card {
    position: relative;
    background: linear-gradient(135deg, #d4bc91 0%, #c4a169 50%, #a6854e 100%);
    border: 1px solid rgba(116, 87, 41, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    transition: border-color 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                border-top-color 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Massnahme 1: Alternierende Hintergründe deaktiviert (alle Kacheln einheitlich Gold) */
.knowledge-card:nth-child(even) {
    background: linear-gradient(135deg, #d4bc91 0%, #c4a169 50%, #a6854e 100%);
    border: 1px solid rgba(116, 87, 41, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.45);
}

/* Massnahme 5: Hover-Elevation */
.knowledge-card:hover {
    transform: translate3d(0, -4px, 0);
    border-color: rgba(116, 87, 41, 0.4);
    border-top-color: rgba(255, 255, 255, 0.7);
    background: linear-gradient(135deg, #d4bc91 0%, #d4bc91 30%, #c4a169 100%);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5),
                0 0 30px rgba(196, 161, 105, 0.2);
}

.knowledge-card:nth-child(even):hover {
    background: linear-gradient(135deg, #d4bc91 0%, #d4bc91 30%, #c4a169 100%);
}

/* Massnahme 7: Gold-Design bleibt im Open-State erhalten */
.knowledge-card.is-open,
.knowledge-card.is-open:hover,
.knowledge-card.is-open:nth-child(even),
.knowledge-card.is-open:nth-child(even):hover {
    background: linear-gradient(135deg, #d4bc91 0%, #c4a169 50%, #a6854e 100%);
    border-color: rgba(116, 87, 41, 0.2);
    border-top-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    transform: translateY(0);
}

/* ── Card Header (Trigger) ── */
.knowledge-card-trigger {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.8rem);
    width: 100%;
    padding: clamp(1.5rem, 3.5vw, 2rem) clamp(1.2rem, 3vw, 1.8rem);
    background: none;
    border: none;
    cursor: pointer;
    text-align: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

@media (max-width: 47.99rem) {
    .knowledge-card-trigger {
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
    }
}

/* Ziffern im Trigger: zentriert, über den Überschriften, edel und groß wie im Wirkung-Design */
.knowledge-card-number {
    display: block;
    width: 100%;
    text-align: center;
    font-family: var(--font-accent);
    font-size: clamp(3.5rem, 10vw, 5.5rem);
    font-weight: 200;
    letter-spacing: 0.05em;
    text-indent: 0.05em;
    color: #1a1610;
    opacity: 0.95;
    margin-bottom: clamp(0.4rem, 1vw, 0.6rem);
    line-height: 1;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Im geöffneten Zustand blendet die Ziffer dezent in den Hintergrund, bleibt aber dunkel */
.knowledge-card.is-open .knowledge-card-number {
    opacity: 0.4;
    color: #1a1610;
}

/* Dekorative Kapitelnummer (altes absolute positioniertes Pseudoelement) ausblenden */
.knowledge-card::after {
    display: none;
}

.knowledge-card-info {
    flex: 1;
    min-width: 0;
}

.knowledge-card-title {
    font-family: 'Montserrat', var(--font-accent), sans-serif;
    font-size: clamp(1.35rem, 3vw, 1.5rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #1a1610;
    margin: 0;
    line-height: 1.35;
    transition: color 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Titel behält seine edle dunkle Farbe im Open-State */
.knowledge-card.is-open .knowledge-card-title {
    color: #1a1610;
}

/* Teaser-Text — klar lesbar, nicht kursiv, Montserrat Regular */
.knowledge-card-teaser {
    font-family: 'Montserrat', var(--font-accent), sans-serif;
    font-size: clamp(1.215rem, 2.7vw, 1.35rem);
    font-weight: 400;
    font-style: normal;
    color: rgba(26, 22, 16, 0.85);
    opacity: 1;
    margin: clamp(0.5rem, 1.2vw, 0.75rem) 0 0;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: opacity 0.5s ease, color 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Teaser im Open-State: behält seine edle dunkle Farbe */
.knowledge-card.is-open .knowledge-card-teaser {
    opacity: 0.85;
    color: rgba(26, 22, 16, 0.85);
    -webkit-line-clamp: unset;
    overflow: visible;
}

/* ── Chevron: Ausgeblendet – intuitives Kachel-Design ── */
.knowledge-card-chevron {
    display: none;
}

/* ── Card Body (Expandable Content) ── */
.knowledge-card-body {
    display: grid;
    grid-template-rows: 0fr;
    background: transparent;
    transition: grid-template-rows 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
                background-color 0.7s ease;
}

.knowledge-card.is-open .knowledge-card-body {
    grid-template-rows: 1fr;
    background: #151310; /* Tiefdunkles, warmes Anthrazit/Braun für edlen Kontrast */
    border-top: 1px solid rgba(196, 161, 105, 0.25);
    transition: grid-template-rows 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.knowledge-card-body-inner {
    overflow: hidden;
    min-height: 0;
}

.knowledge-card-content {
    text-align: left;
    padding: clamp(1.5rem, 3.5vw, 2rem) clamp(1.2rem, 3vw, 1.8rem) clamp(2rem, 5vw, 3rem);
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s,
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.knowledge-card.is-open .knowledge-card-content {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s,
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}



/* ── Content Typography (Massnahme 8: Bessere Lese-Typografie) ── */
.knowledge-card-content h3 {
    font-family: var(--font-accent);
    font-size: clamp(1.35rem, 3vw, 1.5rem);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold, #c4a169);
    margin: clamp(2rem, 5vw, 3rem) 0 clamp(1rem, 2.2vw, 1.4rem);
    opacity: 1;
    padding-top: clamp(1rem, 2.5vw, 1.5rem);
    border-top: 1px solid rgba(196, 161, 105, 0.12);
}

.knowledge-card-content h3:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Massnahme 8: Grösserer Zeilenabstand, entspanntes Lesen · Kontrast-Boost
   Fontgrösse angeglichen an Focus-Seite (.aurum-matrix-body) */
.knowledge-card-content p {
    font-family: 'Montserrat', var(--font-accent), sans-serif;
    font-size: clamp(1.215rem, 2.7vw, 1.35rem);
    font-weight: 300;
    line-height: 2.0;
    color: rgba(253, 252, 248, 0.90);
    opacity: 1;
    margin: 0 0 clamp(1rem, 2.5vw, 1.4rem);
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
}

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

/* ── Source Reference ── */
.knowledge-source {
    max-width: 64rem;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3rem) var(--container-padding) clamp(3rem, 8vw, 5rem);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(253, 252, 248, 0.85);
}

.knowledge-source-trigger {
    background: none;
    border: none;
    font-family: var(--font-accent);
    font-size: clamp(0.99rem, 2.34vw, 1.17rem);
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-dark, #a6854e);
    opacity: 0.85;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    transition: opacity 0.3s ease, color 0.3s ease, background-color 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.knowledge-source-trigger:hover {
    opacity: 1;
    color: var(--gold);
}

.knowledge-source-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2rem;
    height: 1.2rem;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.knowledge-source-chevron svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.knowledge-source.is-open .knowledge-source-chevron {
    transform: rotate(180deg);
}

.knowledge-source-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
    width: 100%;
    max-width: 44rem;
    text-align: left;
}

.knowledge-source.is-open .knowledge-source-body {
    grid-template-rows: 1fr;
}

.knowledge-source-body-inner {
    overflow: hidden;
    min-height: 0;
}

.knowledge-source-content-wrapper {
    opacity: 0;
    transform: translateY(0.5rem);
    margin-top: clamp(1.2rem, 2.5vw, 1.8rem);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.knowledge-source.is-open .knowledge-source-content-wrapper {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s,
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.knowledge-source-subtitle {
    font-family: var(--font-accent);
    font-size: clamp(0.86rem, 1.92vw, 0.98rem);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dark, #a6854e);
    margin: 0 0 clamp(0.8rem, 2vw, 1.2rem);
    line-height: 1.45;
}

.knowledge-source-intro {
    font-family: var(--font-primary);
    font-size: clamp(0.96rem, 2.16vw, 1.06rem);
    font-weight: 300;
    line-height: 1.8;
    color: rgba(253, 252, 248, 0.82);
    opacity: 0.95;
    margin-bottom: clamp(1.2rem, 2.5vw, 1.8rem);
}

.knowledge-source-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vw, 1.4rem);
}

.knowledge-source-list li {
    position: relative;
    padding-left: 1.4rem;
    font-family: var(--font-primary);
    font-size: clamp(0.91rem, 2.04vw, 1.01rem);
    font-weight: 300;
    line-height: 1.75;
    color: rgba(253, 252, 248, 0.7);
    opacity: 0.85;
}

.knowledge-source-list li::before {
    content: "◆";
    position: absolute;
    left: 0;
    top: 0.05rem;
    color: var(--gold);
    font-size: 0.72rem;
    opacity: 0.75;
}

.knowledge-source-list li em {
    font-style: italic;
    color: rgba(253, 252, 248, 0.9);
    font-weight: 400;
}

/* ── Nicht-offene Cards: Sanft zurücktreten wenn eine geöffnet ist ── */
.knowledge-chapter-grid:has(.is-open) .knowledge-card:not(.is-open) {
    opacity: 0.55;
    transform: scale(0.985);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-left-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.knowledge-chapter-grid:has(.is-open) .knowledge-card:not(.is-open):hover {
    opacity: 1;
    transform: scale(1) translateY(-2px);
}

/* ── Desktop: 1 Column (Linearized Chapters) ── */
@media (min-width: 64rem) {
    .knowledge-chapter-grid {
        grid-template-columns: 1fr;
        gap: clamp(1.2rem, 2.5vw, 1.8rem);
        max-width: 52rem;
        margin: 0 auto;
    }
}

/* ── Tablet: Wider padding ── */
@media (min-width: 48rem) and (max-width: 63.99rem) {
    .knowledge-chapters {
        max-width: 42rem;
    }
}

/* ── Scroll Reveal ── */
.knowledge-reveal {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.knowledge-reveal.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Staggered reveal delays ── */
.knowledge-reveal[data-reveal-delay="1"] { transition-delay: 0.08s; }
.knowledge-reveal[data-reveal-delay="2"] { transition-delay: 0.16s; }
.knowledge-reveal[data-reveal-delay="3"] { transition-delay: 0.24s; }
.knowledge-reveal[data-reveal-delay="4"] { transition-delay: 0.32s; }
.knowledge-reveal[data-reveal-delay="5"] { transition-delay: 0.40s; }
.knowledge-reveal[data-reveal-delay="6"] { transition-delay: 0.48s; }

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .knowledge-card,
    .knowledge-card-body,
    .knowledge-card-content,
    .knowledge-card-chevron svg,
    .knowledge-reveal {
        transition: none !important;
    }

    .knowledge-reveal {
        opacity: 1;
        transform: none;
    }
}