/* ════════════════════════════════════════════════════════════
   Article view – creative, SEO/GEO-ready layout
   ════════════════════════════════════════════════════════════ */

.ba-page {
    position: relative;
    overflow: hidden;
    padding-top: clamp(5rem, 9vw, 7rem);
    padding-bottom: var(--space-24);
    background: linear-gradient(180deg, #f5f8ff 0%, #ffffff 42%);
}

.ba-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.ba-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .5;
}

.ba-orb-1 {
    width: 420px;
    height: 420px;
    top: -140px;
    right: -80px;
    background: radial-gradient(circle, rgba(0, 153, 204, .28), transparent 70%);
}

.ba-orb-2 {
    width: 380px;
    height: 380px;
    top: 260px;
    left: -160px;
    background: radial-gradient(circle, rgba(37, 99, 235, .22), transparent 70%);
}

.ba-grid {
    position: absolute;
    inset: 0 0 auto 0;
    height: 420px;
    background-image: radial-gradient(rgba(37, 99, 235, .13) 1px, transparent 1px);
    background-size: 24px 24px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .5), transparent 72%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .5), transparent 72%);
}

.ba-page > .container {
    position: relative;
    z-index: 1;
}

.ba-article {
    max-width: 1180px;
    margin: 0 auto;
}

/* ── Breadcrumb ── */
.ba-breadcrumb {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    margin-bottom: 1.4rem;
    flex-wrap: wrap;
}

.ba-breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color .2s ease;
}

.ba-breadcrumb a:hover {
    color: var(--color-primary-hover);
}

.ba-breadcrumb svg {
    width: 13px;
    height: 13px;
}

/* ── Kicker / meta row ── */
.ba-kicker {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .9rem;
    margin-bottom: 1.1rem;
}

.ba-tag {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .4rem .8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(37, 99, 235, .12), rgba(0, 153, 204, .14));
    color: var(--color-primary);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.ba-kicker-sep {
    width: 1px;
    height: 14px;
    background: var(--color-border);
}

.ba-kicker-item {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.ba-kicker-item time {
    font-weight: 700;
    color: var(--color-text);
}

.ba-kicker-item svg {
    width: 14px;
    height: 14px;
    color: var(--color-accent);
}

/* ── Title ── */
.ba-title {
    font-family: var(--font-display), sans-serif;
    font-size: clamp(2rem, 5vw, 3.1rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.025em;
    color: var(--color-text);
    max-width: 860px;
    margin: 0 0 1.5rem;
    background: linear-gradient(120deg, #0f172a 20%, #1d4ed8 75%, #0891b2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-wrap: balance;
}

/* ── "Auf einen Blick" answer box (GEO direct answer) ── */
.ba-answer {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    max-width: 780px;
    padding: 1.4rem 1.6rem;
    border-radius: 1.25rem;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .07), rgba(0, 153, 204, .10)),
        rgba(255, 255, 255, .6);
    border: 1px solid rgba(37, 99, 235, .18);
    box-shadow: 0 6px 24px -12px rgba(37, 99, 235, .25);
    margin-bottom: 1.75rem;
}

.ba-answer::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1rem;
    bottom: 1rem;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.ba-answer-badge {
    align-self: flex-start;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(37, 99, 235, .1);
    padding: .3rem .7rem;
    border-radius: 999px;
}

.ba-answer p {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--color-text);
}

/* ── Cover image ── */
.ba-cover {
    position: relative;
    margin: 0 0 2.75rem;
    border-radius: 1.5rem;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(37, 99, 235, .1), rgba(0, 153, 204, .16));
    border: 1px solid rgba(0, 0, 0, .06);
    box-shadow: 0 24px 60px -30px rgba(15, 23, 42, .35);
}

.ba-cover-img {
    width: 100%;
    height: auto;
    display: block;
}

.ba-cover-caption {
    position: absolute;
    right: .8rem;
    bottom: .8rem;
    max-width: 70%;
    font-size: .72rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .95);
    background: rgba(15, 23, 42, .55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: .35rem .7rem;
    border-radius: 999px;
}

/* ── Layout: article + sticky sidebar ── */
.ba-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: clamp(1.5rem, 3vw, 2.75rem);
    align-items: start;
}

.ba-main {
    min-width: 0;
}

.ba-aside {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: sticky;
    top: calc(var(--space-10) + 4.5rem);
}

/* ── Article body typography ── */
.ba-content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
}

.ba-content > h2,
.ba-content > h3,
.ba-content > h4,
.ba-faq,
.ba-tools,
.ba-author,
.ba-related {
    scroll-margin-top: 6.5rem;
}

.ba-content h2 {
    font-family: var(--font-display), sans-serif;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.015em;
    color: var(--color-text);
    margin: 2.75rem 0 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid rgba(37, 99, 235, .12);
}

.ba-content h2::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: .7rem;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    vertical-align: middle;
    transform: translateY(-2px);
}

.ba-content h3 {
    font-family: var(--font-display), sans-serif;
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 2rem 0 .65rem;
}

.ba-content p {
    margin: 0 0 1.15rem;
}

.ba-content strong {
    color: var(--color-text);
    font-weight: 700;
}

.ba-content ul,
.ba-content ol {
    margin: 0 0 1.25rem;
    padding-inline-start: 1.5rem;
}

.ba-content ul li,
.ba-content ol li {
    margin: .45rem 0;
    padding-inline-start: .2rem;
}

.ba-content ul li::marker {
    color: var(--color-accent);
}

.ba-content a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.ba-content a:hover {
    color: var(--color-primary-hover);
}

.ba-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1.4rem 0 1.75rem;
    font-size: .95rem;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
}

.ba-content th,
.ba-content td {
    padding: .7rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.ba-content th {
    font-weight: 700;
    color: var(--color-text);
    background: rgba(37, 99, 235, .05);
}

.ba-content tr:last-child th,
.ba-content tr:last-child td {
    border-bottom: none;
}

.ba-content blockquote {
    margin: 1.5rem 0;
    padding: .6rem 1.4rem;
    border-left: 3px solid var(--color-accent);
    background: rgba(0, 153, 204, .06);
    border-radius: 0 .9rem .9rem 0;
    color: var(--color-text);
    font-style: italic;
}

/* ── Sidebar cards ── */
.ba-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    padding: 1.35rem 1.4rem;
    box-shadow: 0 10px 34px -18px rgba(15, 23, 42, .18);
}

.ba-card-title {
    margin: 0 0 1rem;
    font-family: var(--font-display), sans-serif;
    font-size: .86rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

/* TOC */
.ba-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.ba-toc-item {
    border-radius: .7rem;
    transition: background .2s ease;
}

.ba-toc-item a {
    display: flex;
    align-items: baseline;
    gap: .6rem;
    padding: .42rem .5rem;
    border-radius: .7rem;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: .88rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color .2s ease, background .2s ease;
}

.ba-toc-item:hover {
    background: rgba(37, 99, 235, .05);
}

.ba-toc-num {
    flex-shrink: 0;
    min-width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(37, 99, 235, .1);
    color: var(--color-primary);
    font-size: .7rem;
    font-weight: 800;
    transform: translateY(2px);
}

.ba-toc-item-level-3 a {
    padding-inline-start: 1.2rem;
    font-size: .84rem;
    font-weight: 500;
}

.ba-toc-item.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, .1), rgba(0, 153, 204, .1));
}

.ba-toc-item.active a {
    color: var(--color-primary);
}

.ba-toc-item.active .ba-toc-num {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}

/* Facts */
.ba-facts {
    background:
        radial-gradient(120px 90px at 100% 0%, rgba(0, 153, 204, .08), transparent 70%),
        #fff;
}

.ba-facts-list {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.ba-facts-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .6rem;
    padding: .4rem 0;
    border-bottom: 1px dashed var(--color-border);
}

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

.ba-facts-row dt {
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
}

.ba-facts-row dd {
    margin: 0;
    font-size: .84rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: right;
}

/* Tool CTA card */
.ba-toolcard {
    display: flex;
    flex-direction: column;
    gap: .9rem;
    padding: 1.4rem 1.4rem 1.3rem;
    border-radius: 1.25rem;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
    box-shadow: 0 18px 44px -18px rgba(37, 99, 235, .55);
    transition: transform .25s ease, box-shadow .25s ease;
}

.ba-toolcard:hover {
    transform: translateY(-3px);
    box-shadow: 0 24px 52px -16px rgba(37, 99, 235, .6);
}

.ba-toolcard-label {
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    opacity: .85;
}

.ba-toolcard-name {
    display: block;
    margin-top: .2rem;
    font-family: var(--font-display), sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.2;
}

.ba-toolcard-cta {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    align-self: flex-start;
    font-size: .86rem;
    font-weight: 700;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 999px;
    padding: .5rem .95rem;
}

.ba-toolcard-cta svg {
    width: 15px;
    height: 15px;
    transition: transform .2s ease;
}

.ba-toolcard:hover .ba-toolcard-cta svg {
    transform: translateX(3px);
}

/* ── FAQ section ── */
.ba-faq {
    margin-top: 3rem;
    padding: 1.6rem;
    border-radius: 1.4rem;
    background:
        radial-gradient(180px 120px at 100% 0%, rgba(0, 153, 204, .07), transparent 70%),
        linear-gradient(180deg, #f8fbff, #fff);
    border: 1px solid var(--color-border);
}

.ba-faq-head {
    display: flex;
    align-items: flex-start;
    gap: .9rem;
    margin-bottom: 1.2rem;
}

.ba-faq-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, .12), rgba(0, 153, 204, .14));
    color: var(--color-primary);
}

.ba-faq-icon svg {
    width: 21px;
    height: 21px;
}

.ba-faq-head h2 {
    margin: 0;
    font-family: var(--font-display), sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-text);
}

.ba-faq-head p {
    margin: .15rem 0 0;
    font-size: .85rem;
    color: var(--color-text-tertiary);
}

.ba-faq-list {
    display: flex;
    flex-direction: column;
    gap: .7rem;
}

.ba-faq-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.ba-faq-item[open] {
    border-color: rgba(37, 99, 235, .4);
    box-shadow: 0 10px 30px -16px rgba(37, 99, 235, .35);
}

.ba-faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: 1rem 1.15rem;
    font-weight: 700;
    font-size: .98rem;
    color: var(--color-text);
}

.ba-faq-item summary::-webkit-details-marker {
    display: none;
}

.ba-faq-item summary::before {
    content: '+';
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(37, 99, 235, .1);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 1rem;
    line-height: 1;
    transition: transform .25s ease, background .25s ease;
}

.ba-faq-item[open] summary::before {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}

.ba-faq-item[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.ba-faq-item p {
    margin: 0;
    padding: 1rem 1.15rem 1.15rem;
    font-size: .95rem;
    line-height: 1.75;
    color: var(--color-text-secondary);
}

/* ── Related tools band ── */
.ba-tools {
    margin-top: 3rem;
}

.ba-tools h2,
.ba-related h2 {
    font-family: var(--font-display), sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0 0 1.1rem;
}

.ba-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: .85rem;
}

.ba-tool {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: 1rem 1.1rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 1.1rem;
    text-decoration: none;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.ba-tool:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, .35);
    box-shadow: 0 12px 30px -16px rgba(37, 99, 235, .4);
}

.ba-tool-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(37, 99, 235, .1);
    color: var(--color-primary);
}

.ba-tool-icon svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ba-tool-body {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    min-width: 0;
}

.ba-tool-name {
    font-size: .94rem;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ba-tool-cat {
    font-size: .74rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ba-tool-arrow {
    margin-left: auto;
    flex-shrink: 0;
    width: 17px;
    height: 17px;
    color: var(--color-primary);
    transition: transform .2s ease;
}

.ba-tool:hover .ba-tool-arrow {
    transform: translateX(3px);
}

/* Accent variants for tool icons */
.ba-tool-icon.pg-accent-cyan { background: rgba(6, 182, 212, .12); color: #0e7490; }
.ba-tool-icon.pg-accent-purple { background: rgba(124, 58, 237, .12); color: #6d28d9; }
.ba-tool-icon.pg-accent-red { background: rgba(220, 38, 38, .12); color: #b91c1c; }
.ba-tool-icon.pg-accent-green { background: rgba(5, 150, 105, .12); color: #047857; }
.ba-tool-icon.pg-accent-blue { background: rgba(37, 99, 235, .12); color: #1d4ed8; }
.ba-tool-icon.pg-accent-orange { background: rgba(234, 88, 12, .12); color: #c2410c; }
.ba-tool-icon.pg-accent-slate { background: rgba(71, 85, 105, .12); color: #475569; }

/* ── Author box ── */
.ba-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding: 1.35rem 1.5rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    box-shadow: 0 10px 30px -20px rgba(15, 23, 42, .25);
}

.ba-author-avatar {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    box-shadow: 0 8px 20px -6px rgba(37, 99, 235, .5);
}

.ba-author-name {
    font-weight: 800;
    color: var(--color-text);
    font-size: 1rem;
}

.ba-author-role {
    font-size: .82rem;
    color: var(--color-text-tertiary);
}

/* ── Related posts ── */
.ba-related {
    margin-top: 3.5rem;
}

.ba-related-head {
    margin-bottom: 1.25rem;
}

.ba-related-head p {
    margin: .2rem 0 0;
    font-size: .92rem;
    color: var(--color-text-tertiary);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .ba-layout {
        grid-template-columns: 1fr;
    }

    .ba-aside {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 1.25rem;
    }

    .ba-aside .ba-card,
    .ba-aside .ba-toolcard {
        height: 100%;
    }
}

@media (max-width: 620px) {
    .ba-page {
        padding-top: 4.5rem;
    }

    .ba-kicker {
        gap: .7rem;
    }

    .ba-kicker-sep {
        display: none;
    }

    .ba-answer {
        padding: 1.1rem 1.2rem;
    }

    .ba-cover-caption {
        display: none;
    }

    .ba-aside {
        grid-template-columns: 1fr;
    }
}