/* ==============================
   Unterseiten (Vorträge, Insights, Business)
   ============================== */

.sp-header {
    background: linear-gradient(135deg, #005b8f 0%, #0084CA 50%, #89CFF0 100%);
    padding: 9rem 0 4.5rem;
    color: #ffffff;
}

.sp-header h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

.sp-header .sp-lead {
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 720px;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
}

.sp-header-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.sp-header .btn-primary {
    background: #ffffff;
    color: #005b8f;
}

.sp-narrow {
    max-width: 1100px;
}

.sp-split {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    align-items: center;
}

.sp-split img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.sp-text h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1.25rem;
}

.sp-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray);
    margin-bottom: 1.1rem;
}

.sp-text p strong {
    color: var(--dark);
}

.sp-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.sp-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-top: 4px solid var(--brand-blue-light);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 1.75rem;
}

.sp-card .sp-step {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
}

.sp-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--card-text);
    margin-bottom: 0.6rem;
}

.sp-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--card-subtitle);
}

.sp-card a {
    color: var(--text-accent);
    font-weight: 600;
}

.sp-banner {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

.sp-caption {
    margin-top: 0.75rem;
    font-size: 0.95rem;
    color: var(--gray);
    text-align: center;
}

.sp-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sp-list li {
    position: relative;
    padding: 0.6rem 0 0.6rem 1.75rem;
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--gray);
    border-bottom: 1px solid var(--card-border);
}

.sp-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1.15rem;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: var(--brand-blue-light);
}

.sp-list li strong {
    color: var(--dark);
}

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

.sp-cta h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.sp-cta p {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.sp-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.sp-cta .btn-secondary {
    background: transparent;
    color: var(--text-accent);
    border: 2px solid var(--brand-blue-light);
    backdrop-filter: none;
}

.sp-toc {
    max-width: 760px;
    margin: 0 auto 3rem;
}

.sp-toc a {
    color: inherit;
    text-decoration: none;
}

.sp-article {
    max-width: 760px;
    margin: 0 auto 4.5rem;
    scroll-margin-top: 100px;
}

.sp-article .sp-step {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
}

.sp-article h2 {
    font-size: clamp(1.6rem, 3.2vw, 2.25rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1.25rem;
}

.sp-article img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.75rem;
}

.sp-article p {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--gray);
    margin-bottom: 1.1rem;
}

.sp-article a {
    color: var(--text-accent);
    overflow-wrap: anywhere;
}

[data-theme="dark"] .sp-article p {
    color: #cbd5e1;
}

[data-theme="dark"] .sp-article .sp-step,
[data-theme="dark"] .sp-article a {
    color: var(--accent-cyan);
}

/* Blog */

.sp-header-compact {
    padding: 8rem 0 3rem;
}

.sp-header-compact h1 {
    font-size: clamp(1.9rem, 4vw, 2.75rem);
}

.blog-back {
    margin-bottom: 0.75rem;
}

.blog-back a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2.5rem;
}

.blog-filters a,
.blog-pager a,
.blog-series-nav a {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--brand-blue-light);
    border-radius: 999px;
    color: var(--text-accent);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
}

.blog-note {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
}

.blog-note a,
.blog-teaser h2 a {
    color: var(--text-accent);
}

.blog-teaser {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    align-items: start;
    padding: 2rem 0;
    border-top: 1px solid var(--card-border);
}

.blog-teaser-img img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.blog-teaser .sp-step {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-accent);
    margin-bottom: 0.4rem;
}

.blog-teaser h2 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.6rem;
}

.blog-teaser h2 a {
    text-decoration: none;
}

.blog-teaser p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--gray);
}

.blog-pager {
    display: flex;
    gap: 0.75rem;
    margin-top: 2.5rem;
}

.blog-series-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 2.5rem;
}

.blog-source {
    font-size: 0.95rem !important;
    font-style: italic;
}

[data-theme="dark"] .blog-filters a,
[data-theme="dark"] .blog-pager a,
[data-theme="dark"] .blog-series-nav a,
[data-theme="dark"] .blog-note a,
[data-theme="dark"] .blog-teaser h2 a,
[data-theme="dark"] .blog-teaser .sp-step {
    color: var(--accent-cyan);
}

[data-theme="dark"] .blog-teaser p,
[data-theme="dark"] .blog-note {
    color: #cbd5e1;
}

@media (max-width: 768px) {
    .blog-teaser {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

[data-theme="dark"] .sp-card {
    background: #1e293b;
    border-color: #334155;
    border-top-color: var(--accent-cyan);
}

[data-theme="dark"] .sp-card h3 {
    color: #ffffff;
}

[data-theme="dark"] .sp-card p,
[data-theme="dark"] .sp-text p,
[data-theme="dark"] .sp-list li,
[data-theme="dark"] .sp-cta p,
[data-theme="dark"] .sp-caption {
    color: #cbd5e1;
}

[data-theme="dark"] .sp-card .sp-step,
[data-theme="dark"] .sp-card a,
[data-theme="dark"] .sp-cta .btn-secondary {
    color: var(--accent-cyan);
}

[data-theme="dark"] .sp-list li::before {
    background: var(--accent-cyan);
}

@media (max-width: 768px) {
    .sp-header {
        padding: 7rem 0 3rem;
    }

    .sp-split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sp-header .sp-lead {
        font-size: 1.1rem;
    }
}

.sp-card code,
.sp-text code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
    background: rgba(0, 132, 202, 0.1);
    padding: 0.15rem 0.4rem;
    border-radius: 0.35rem;
}

.sp-cards-spaced {
    margin-top: 3rem;
}

.sp-banner-spaced {
    margin-top: 3rem;
}