/* =============================================================================
   public.css – Landingpage-Styles
   Design-Angleichung an input.plus: durchgehend Sans-Serif, weißer Hintergrund,
   nüchtern-korporativ, Orange sparsam als Akzent.
   ============================================================================= */

/* ---- HERO -------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 0;
    align-items: stretch;
    min-height: min(calc(100vh - 80px), 680px);
}

.hero-copy {
    padding: clamp(var(--sp-7), 8vw, var(--sp-9)) clamp(var(--sp-5), 6vw, 5rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-5);
    position: relative;
}

.hero-eyebrow {
    font-size: 0.8125rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    font-weight: 700;
    margin: 0;
}

.hero-title {
    font-weight: 700;
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--c-anthracite);
    margin: 0;
}
.hero-title .accent,
.hero-title em {
    color: var(--c-orange);
    font-style: normal;
    font-weight: inherit;
}

/* Hero-Lead: Paragraphen aus Markdown-Render ohne vertikale Margins */
.hero-lead > p { margin: 0; color: inherit; font-size: inherit; line-height: inherit; }
.hero-lead > p + p { margin-top: var(--sp-3); }

.hero-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.15rem);
    line-height: 1.65;
    color: var(--c-anthracite-soft);
    max-width: 48ch;
    margin: 0;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4) var(--sp-6);
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.925rem;
    color: var(--c-anthracite-soft);
}
.hero-meta li {
    display: flex;
    align-items: baseline;
    gap: var(--sp-2);
}
.hero-meta li::before {
    content: "";
    display: inline-block;
    width: 8px; height: 8px;
    background: var(--c-orange);
    border-radius: 50%;
    flex-shrink: 0;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    margin-top: var(--sp-3);
}

.hero-image {
    position: relative;
    background: var(--c-anthracite);
    overflow: hidden;
}
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hero-badge {
    position: absolute;
    left: var(--sp-5);
    bottom: var(--sp-5);
    background: #ffffff;
    color: var(--c-anthracite);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-md);
    max-width: 300px;
    font-size: 0.9rem;
    line-height: 1.5;
    box-shadow: var(--shadow-md);
    border-top: 3px solid var(--c-orange);
}
.hero-badge strong {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2px;
    color: var(--c-anthracite);
}

@media (max-width: 920px) {
    .hero-grid { grid-template-columns: 1fr; min-height: auto; }
    .hero-image { min-height: 360px; }
    .hero-badge { max-width: none; right: var(--sp-5); }
}

/* ---- PRINZIP-STREIFEN (unter Hero) ------------------------------------- */
.principle {
    background: var(--c-surface-alt);
    border-bottom: 1px solid var(--c-border);
    padding: var(--sp-7) 0;
}
.principle-inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--sp-6);
    align-items: center;
}
.principle-label {
    font-size: 0.8125rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    font-weight: 700;
    line-height: 1;
    margin: 0;
    white-space: nowrap;
}
.principle-text {
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: 1.6;
    margin: 0;
    max-width: 70ch;
    color: var(--c-anthracite);
}
.principle-text > p { margin: 0; color: inherit; font-size: inherit; line-height: inherit; }
.principle-text > p + p { margin-top: var(--sp-3); }
@media (max-width: 720px) {
    .principle-inner { grid-template-columns: 1fr; gap: var(--sp-3); }
}

/* ---- SEMINARE (Tiles + Detail-Sektionen) ------------------------------- */
.seminars-section {
    padding: var(--sp-9) 0 var(--sp-8);
    background: var(--c-surface);
}
.section-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
    margin-bottom: var(--sp-7);
    align-items: end;
}
.section-head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin: 0;
    max-width: 22ch;
    font-weight: 700;
    line-height: 1.2;
}
.section-head p,
.section-head .md-content {
    color: var(--c-anthracite-soft);
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}
.section-head .md-content > p { margin: 0 0 var(--sp-3); color: inherit; font-size: inherit; line-height: inherit; }
.section-head .md-content > p:last-child { margin-bottom: 0; }
@media (max-width: 720px) {
    .section-head { grid-template-columns: 1fr; }
}

.seminar-tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-5);
    margin-bottom: var(--sp-8);
}
@media (max-width: 980px) { .seminar-tiles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .seminar-tiles { grid-template-columns: 1fr; } }

.seminar-tile {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform .2s ease, box-shadow .2s ease, border-color .15s;
    position: relative;
}
.seminar-tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--c-orange);
}

.seminar-tile-media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--c-surface-alt);
}
.seminar-tile-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.seminar-tile:hover .seminar-tile-media img { transform: scale(1.03); }

.seminar-tile-body {
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    flex: 1;
}
.seminar-tile-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    font-weight: 700;
}
.seminar-tile-tag::before {
    content: attr(data-index);
    background: var(--c-orange);
    color: #fff;
    width: 22px; height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
}
.seminar-tile h3 {
    font-size: 1.3rem;
    margin: 0;
    color: var(--c-anthracite);
    font-weight: 700;
    line-height: 1.3;
}
.seminar-tile p.seminar-tile-short {
    color: var(--c-anthracite-soft);
    margin: 0;
    line-height: 1.55;
    font-size: 0.95rem;
    flex: 1;
}
.seminar-tile-meta {
    font-size: 0.85rem;
    color: var(--c-muted);
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    border-top: 1px solid var(--c-border-soft);
    padding-top: var(--sp-3);
}

/* Seminar-Detail-Sektionen */
.seminar-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(var(--sp-5), 5vw, var(--sp-8));
    padding: var(--sp-8) 0;
    border-top: 1px solid var(--c-border);
    scroll-margin-top: 80px;
}
.seminar-detail:nth-child(even) { direction: rtl; }
.seminar-detail:nth-child(even) > * { direction: ltr; }

.seminar-detail-media {
    aspect-ratio: 5 / 4;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--c-surface-alt);
    position: relative;
}
.seminar-detail-media img { width: 100%; height: 100%; object-fit: cover; }
.seminar-detail-media::after {
    content: attr(data-label);
    position: absolute;
    top: var(--sp-4);
    left: var(--sp-4);
    background: var(--c-surface);
    color: var(--c-anthracite);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 10px;
    border-radius: 2px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.seminar-detail-copy h3 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin: 0 0 var(--sp-3);
    font-weight: 700;
}
.seminar-detail-copy .lead-question {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--c-orange-dark);
    margin-bottom: var(--sp-4);
}
.seminar-detail-copy p { line-height: 1.7; color: var(--c-anthracite); }

/* Markdown-gerenderter Content (Seminar-Langbeschreibung) */
.md-content { color: var(--c-anthracite); line-height: 1.7; }
.md-content > *:first-child { margin-top: 0; }
.md-content > *:last-child  { margin-bottom: 0; }
.md-content p { margin: 0 0 var(--sp-4); }
.md-content h2,
.md-content h3,
.md-content h4 {
    margin-top: var(--sp-5);
    margin-bottom: var(--sp-3);
    color: var(--c-anthracite);
    font-weight: 700;
    letter-spacing: -0.01em;
}
.md-content h2 { font-size: 1.35rem; }
.md-content h3 { font-size: 1.15rem; }
.md-content h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-orange-dark); }
.md-content ul,
.md-content ol { margin: 0 0 var(--sp-4); padding-left: 1.25rem; }
.md-content li { margin-bottom: 0.35rem; }
.md-content ul li::marker { color: var(--c-orange); }
.md-content a {
    color: var(--c-orange-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.md-content strong { color: var(--c-anthracite); font-weight: 700; }
.md-content blockquote {
    margin: var(--sp-4) 0;
    padding: var(--sp-3) var(--sp-4);
    border-left: 3px solid var(--c-orange);
    background: var(--c-surface-alt);
    color: var(--c-anthracite);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.md-content code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: var(--c-surface-alt);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}
.md-content hr {
    border: 0;
    border-top: 1px solid var(--c-border);
    margin: var(--sp-5) 0;
}
.seminar-detail-copy .target-audience {
    margin-top: var(--sp-5);
    padding: var(--sp-4);
    background: var(--c-surface-alt);
    border-left: 3px solid var(--c-orange);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.95rem;
}
.seminar-detail-copy .target-audience strong {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    margin-bottom: 4px;
    font-weight: 700;
}

.seminar-detail-actions {
    margin-top: var(--sp-5);
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
}
@media (max-width: 820px) {
    .seminar-detail { grid-template-columns: 1fr; }
    .seminar-detail:nth-child(even) { direction: ltr; }
}

/* ---- TERMINE ---------------------------------------------------------- */
.dates-section {
    padding: var(--sp-9) 0;
    background: var(--c-surface-alt);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    scroll-margin-top: 60px;
}

.dates-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-6);
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 999px;
    padding: 0.45rem 0.95rem;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--c-anthracite);
    font-weight: 500;
    transition: all .15s ease;
}
.chip:hover { border-color: var(--c-anthracite); }
.chip.is-active {
    background: var(--c-anthracite);
    color: #fff;
    border-color: var(--c-anthracite);
    font-weight: 600;
}
.chip.is-active::before {
    content: "●";
    color: var(--c-orange);
    font-size: 0.7rem;
}

.dates-list {
    display: grid;
    gap: var(--sp-4);
}
.date-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: var(--sp-5);
    display: grid;
    grid-template-columns: minmax(120px, 170px) 1fr auto;
    gap: var(--sp-5);
    align-items: center;
    transition: border-color .15s, box-shadow .15s;
}
.date-card:hover {
    border-color: var(--c-orange);
    box-shadow: var(--shadow-sm);
}
.date-card.is-full { opacity: 0.6; }

.date-calendar {
    text-align: center;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: var(--sp-3);
    background: var(--c-surface-alt);
}
.date-calendar .month {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    font-weight: 700;
}
.date-calendar .day {
    font-size: 2rem;
    color: var(--c-anthracite);
    line-height: 1;
    margin: 6px 0 4px;
    font-weight: 700;
}
.date-calendar .end {
    font-size: 0.82rem;
    color: var(--c-muted);
}

.date-info h4 {
    font-size: 1.15rem;
    margin: 0 0 var(--sp-1);
    color: var(--c-anthracite);
    font-weight: 700;
}
.date-info .seminar-label {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-orange-dark);
    font-weight: 700;
    margin-bottom: 4px;
    display: block;
}
.date-info dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 12px;
    margin: var(--sp-3) 0 0;
    font-size: 0.9rem;
    color: var(--c-anthracite-soft);
}
.date-info dt { color: var(--c-muted); font-weight: 500; }
.date-info dd { margin: 0; }

.date-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--sp-2);
}
.date-price {
    font-size: 1.35rem;
    color: var(--c-anthracite);
    font-weight: 700;
}

/* Mobile: Card vollständig stacken, Kalender als flache horizontale Zeile */
@media (max-width: 720px) {
    .date-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: var(--sp-3);
        padding: var(--sp-4);
    }
    .date-calendar {
        display: flex;
        align-items: baseline;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.4rem;
        padding: 0.5rem 0.75rem;
        text-align: left;
    }
    .date-calendar .month,
    .date-calendar .day,
    .date-calendar .end {
        display: inline;
        margin: 0;
        line-height: 1.2;
    }
    .date-calendar .month { font-size: 0.85rem; letter-spacing: 0.08em; }
    .date-calendar .day   { font-size: 1.05rem; font-weight: 700; }
    .date-calendar .end   { font-size: 0.85rem; font-weight: 400; }

    .date-info h4 { font-size: 1.1rem; line-height: 1.3; }
    .date-info dl { font-size: 0.875rem; }

    .date-cta {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-top: var(--sp-3);
        border-top: 1px solid var(--c-border-soft);
        gap: var(--sp-3);
    }
    .date-price { white-space: nowrap; font-size: 1.2rem; }
    .date-cta .btn { white-space: nowrap; }
}

.dates-empty {
    background: var(--c-surface);
    border: 1px dashed var(--c-border);
    border-radius: var(--radius-md);
    padding: var(--sp-6);
    text-align: center;
    color: var(--c-muted);
}

/* ---- FORMULAR --------------------------------------------------------- */
.request-section {
    padding: var(--sp-9) 0;
    scroll-margin-top: 60px;
    background: var(--c-surface);
}
.request-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: clamp(var(--sp-6), 5vw, var(--sp-8));
    align-items: start;
}
@media (max-width: 900px) { .request-grid { grid-template-columns: 1fr; } }

.request-intro h2 { margin-bottom: var(--sp-4); font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; }
.request-intro p,
.request-intro .md-content { color: var(--c-anthracite-soft); line-height: 1.7; }
.request-intro .md-content { margin-bottom: var(--sp-4); }
.request-intro .md-content:last-child { margin-bottom: 0; }

.request-intro .pull-quote {
    margin-top: var(--sp-5);
    padding: var(--sp-5);
    border-left: 3px solid var(--c-orange);
    background: var(--c-surface-alt);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.request-intro .pull-quote p {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--c-anthracite);
    margin: 0;
    line-height: 1.55;
}

.request-form-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: clamp(var(--sp-5), 4vw, var(--sp-6));
    box-shadow: var(--shadow-sm);
}

.request-form-card .form-group + .form-group { margin-top: 0; }

.form-dates-grid {
    display: grid;
    gap: var(--sp-2);
    margin-top: var(--sp-2);
}
.form-dates-group {
    border: 1px solid var(--c-border-soft);
    border-radius: var(--radius-md);
    padding: var(--sp-3);
    background: var(--c-surface-alt);
    min-width: 0; /* fixt fieldset-Bug in Flex/Grid-Containern */
}
/* Die Legend eines <fieldset> sitzt per Default in der oberen Border-Linie
   und schneidet bei langem Text den Rahmen auf. Mit float + clear fix'n wir
   das zu einem normalen Block-Header. */
.form-dates-group-title {
    float: left;
    width: 100%;
    padding: 0;
    margin: 0 0 var(--sp-3);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-orange-dark);
    font-weight: 700;
    line-height: 1.3;
}
.form-dates-group > *:not(.form-dates-group-title) { clear: both; }
.form-dates-option {
    display: flex;
    gap: var(--sp-3);
    align-items: center;
    padding: var(--sp-2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background .12s;
}
.form-dates-option:hover { background: var(--c-surface); }
.form-dates-option input { accent-color: var(--c-orange); flex-shrink: 0; }
.form-dates-option-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.9rem;
}
.form-dates-option-label strong { color: var(--c-anthracite); font-size: 0.95rem; font-weight: 600; }
.form-dates-option-label span { color: var(--c-muted); font-size: 0.82rem; }

.form-group-label {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: var(--sp-2);
    color: var(--c-anthracite);
    margin-top: var(--sp-4);
}

.gdpr-group {
    margin-top: var(--sp-5);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--c-border-soft);
}

.submit-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-4);
    margin-top: var(--sp-5);
    flex-wrap: wrap;
}
.submit-row .help {
    color: var(--c-muted);
    font-size: 0.85rem;
    max-width: 34ch;
    line-height: 1.5;
}

/* Thank-You */
.thank-you {
    padding: var(--sp-9) 0;
    background: var(--c-surface);
}
.thank-you-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: clamp(var(--sp-6), 6vw, var(--sp-8));
    box-shadow: var(--shadow-sm);
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}
.thank-you-card .mark {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: var(--c-orange);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto var(--sp-4);
}