/*
   praxis.css – Seitenspezifisches Stylesheet für praxis.html
   Layout: Vollbreite Bereiche (keine Kacheln), Mobile-First
*/

/* ═══════════════════════════════════════════════
   PHYSIK-SECTION: Intro-Block + Sub-Bereiche
════════════════════════════════════════════════ */

/* Haupt-Intro-Block (war: physics-main-tile) */
.praxis-physics-intro {
    width: 100%;
    padding: 5rem 0 4rem 0;
    background: var(--bg-base);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.praxis-physics-intro .physics-title {
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 1.15;
    color: var(--text-primary);
    font-family: var(--font-serif);
    font-weight: 300;
    margin: 0 auto 1.25rem auto;
    max-width: 800px;
}

.praxis-physics-intro .physics-subtitle {
    font-size: clamp(0.95rem, 1.2vw, 1.15rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 auto;
    max-width: 600px;
}

/* ═══════════════════════════════════════════════
   VOLLBREITER AUFKLAPP-BEREICH (Physik-Unterkapitel)
════════════════════════════════════════════════ */

.praxis-block {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Abwechselnde Hintergründe */
.praxis-block:nth-child(odd) {
    background: var(--bg-base);
}

.praxis-block:nth-child(even) {
    background: var(--ivory-3);
}

.praxis-block.open {
    background: var(--white);
}

/* Trigger-Button: volle Breite, kein Box-Look */
.praxis-block-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    outline: none;
    gap: 1.5rem;
}

.praxis-block-trigger:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 4px;
}

/* Linke Seite: Nummer + Titel */
.praxis-block-label {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    flex: 1;
    min-width: 0;
}

.praxis-block-num {
    font-family: var(--font-montserrat);
    font-size: clamp(0.65rem, 0.9vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent-blue);
    text-transform: uppercase;
    flex-shrink: 0;
    opacity: 0.7;
}

.praxis-block-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0;
    transition: color 0.3s ease;
}

.praxis-block:hover .praxis-block-title,
.praxis-block.open .praxis-block-title {
    color: var(--accent-blue);
}

/* Chevron-Icon */
.praxis-block-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    flex-shrink: 0;
    transition:
        transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.3s ease,
        color 0.3s ease,
        border-color 0.3s ease;
}

.praxis-block:hover .praxis-block-chevron {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.praxis-block.open .praxis-block-chevron {
    transform: rotate(180deg);
    background: var(--accent-blue);
    color: var(--white);
    border-color: var(--accent-blue);
}

/* Aufklapp-Content: Grid-Trick für sanfte Animation */
.praxis-block-content-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.praxis-block.open .praxis-block-content-wrapper {
    grid-template-rows: 1fr;
}

.praxis-block-content-inner {
    overflow: hidden;
    min-height: 0;
}

/* Inhalt des aufgeklappten Bereichs */
.praxis-block-body {
    padding: 0 0 3.5rem 0;
    max-width: 800px;
}

.praxis-block-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 1.3vw, 1.2rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.5rem 0;
    letter-spacing: -0.01em;
}

.praxis-block-paragraph {
    font-size: clamp(0.9rem, 1.05vw, 1.05rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
}

.praxis-block-paragraph + .praxis-block-paragraph {
    margin-top: 1.25rem;
}

/* Zitat-Callout innerhalb eines Bereichs */
.praxis-block-quote {
    border-left: 3px solid var(--gold-dark);
    background: rgba(168, 140, 103, 0.06);
    padding: 1.5rem 2rem;
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 1.4vw, 1.35rem);
    line-height: 1.55;
    font-style: italic;
    color: var(--text-primary);
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

/* ═══════════════════════════════════════════════
   BIOLOGISCHER NEUSTART: Intro + Tabelle
════════════════════════════════════════════════ */

.praxis-neustart-intro {
    width: 100%;
    padding: 5rem 0 4rem 0;
    background: var(--ivory-3);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.praxis-neustart-intro .praxis-section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3vw, 3rem);
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0 auto 1.5rem auto;
    max-width: 800px;
}

.praxis-neustart-intro .praxis-section-lead {
    font-size: clamp(0.9rem, 1.1vw, 1.1rem);
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 650px;
    margin: 0 auto;
}

/* Tabellen-Bereich */
.praxis-table-block {
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 0;
}

.praxis-table-block .table-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2vw, 2rem);
    font-weight: 300;
    color: var(--text-primary);
    text-align: center;
    margin: 0 auto 2.5rem auto;
}

/* ═══════════════════════════════════════════════
   ORGAN-BEREICHE (waren restart-cards)
════════════════════════════════════════════════ */

.praxis-organ-block {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.praxis-organ-block:nth-child(odd) {
    background: var(--bg-base);
}

.praxis-organ-block:nth-child(even) {
    background: var(--ivory-3);
}

.praxis-organ-block.open {
    background: var(--white);
}

/* Trigger */
.praxis-organ-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    outline: none;
    gap: 1.5rem;
}

.praxis-organ-trigger:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 4px;
}

.praxis-organ-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0;
}

/* Akzent-Dot */
.praxis-organ-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-blue);
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(27, 99, 138, 0.35);
    transition: transform 0.3s ease;
}

.praxis-organ-block.open .praxis-organ-dot {
    transform: scale(1.5);
}

.praxis-organ-title {
    font-family: var(--font-serif);
    font-size: clamp(1.35rem, 2.2vw, 2rem);
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0;
    transition: color 0.3s ease;
}

.praxis-organ-block:hover .praxis-organ-title,
.praxis-organ-block.open .praxis-organ-title {
    color: var(--accent-blue);
}

/* Chevron */
.praxis-organ-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    flex-shrink: 0;
    transition:
        transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.3s ease,
        color 0.3s ease,
        border-color 0.3s ease;
}

.praxis-organ-block:hover .praxis-organ-chevron {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.praxis-organ-block.open .praxis-organ-chevron {
    transform: rotate(180deg);
    background: var(--accent-blue);
    color: var(--white);
    border-color: var(--accent-blue);
}

/* Aufklapp-Wrapper */
.praxis-organ-content-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.praxis-organ-block.open .praxis-organ-content-wrapper {
    grid-template-rows: 1fr;
}

.praxis-organ-content-inner {
    overflow: hidden;
    min-height: 0;
}

.praxis-organ-body {
    padding: 0 0 3.5rem 0;
    max-width: 800px;
}

.praxis-organ-desc {
    font-size: clamp(0.9rem, 1.05vw, 1.05rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin: 0;
}

.praxis-organ-desc + .praxis-organ-desc {
    margin-top: 1.25rem;
}

/* ═══════════════════════════════════════════════
   SECTION-TRENNLINIE / SECTION-TITEL
════════════════════════════════════════════════ */

.praxis-section-divider {
    width: 100%;
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE: TABLET & DESKTOP
════════════════════════════════════════════════ */

@media (min-width: 768px) {
    .praxis-physics-intro {
        padding: 7rem 0 5rem 0;
    }

    .praxis-neustart-intro {
        padding: 7rem 0 5rem 0;
    }

    .praxis-block-trigger {
        padding: 2.5rem 0;
    }

    .praxis-organ-trigger {
        padding: 2.5rem 0;
    }
}

@media (min-width: 1100px) {
    .praxis-block-body {
        max-width: 860px;
    }

    .praxis-organ-body {
        max-width: 860px;
    }
}