/* ============================================================
   blog.css · BitsAndBucks KI-News / Blog
   Ergänzt styles.css (nutzt deren Variablen & Fonts).
   Eigene Datei, damit die große styles.css unangetastet bleibt.
   ============================================================ */

:root{
  --bl-line: rgba(192,132,252,0.18);
  --bl-line-soft: rgba(244,239,233,0.10);
  --bl-card: rgba(255,255,255,0.035);
  --bl-card-2: rgba(111,48,135,0.10);
  --bl-read: 50rem;            /* Lesespalte */
}

/* ---------- Grundlayout ---------- */
.bl-main{ padding-top: calc(var(--nav-h, 72px) + clamp(28px,5vw,56px)); padding-bottom: 0; }
.bl-wrap{ width:100%; max-width: var(--bl-read); margin:0 auto; padding:0 var(--container-pad, 1.5rem); }
.bl-wide{ max-width: 64rem; }

/* ---------- Breadcrumb ---------- */
.bl-crumb{ font-family:var(--font-sans); font-size:.8rem; color:var(--muted,#9a8fa8); letter-spacing:.01em; margin-bottom:26px; }
.bl-crumb a{ color:var(--muted,#9a8fa8); transition:color .2s; }
.bl-crumb a:hover{ color:var(--purple-lighter,#c084fc); }
.bl-crumb span{ color:var(--purple-lighter,#c084fc); }
.bl-crumb i{ font-style:normal; opacity:.5; margin:0 8px; }

/* ---------- Kategorie-Chip ---------- */
.bl-cat{ display:inline-flex; align-items:center; gap:8px; font-family:var(--font-block,sans-serif);
  font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color:var(--purple-lighter,#c084fc);
  border:1px solid var(--bl-line); border-radius:999px; padding:6px 13px; background:rgba(111,48,135,0.10); }

/* ---------- Artikel-Kopf ---------- */
.post__head{ margin-bottom:34px; }
.post__title{ font-family:var(--font-display,sans-serif); font-weight:700; line-height:1.05;
  letter-spacing:-.02em; font-size:clamp(2rem,5vw,3.4rem); margin:18px 0 0; color:#fff; }
.post__dek{ font-family:var(--font-sans); font-size:clamp(1.05rem,1.6vw,1.3rem); line-height:1.55;
  color:var(--off-white,#f4efe9); opacity:.82; margin-top:18px; max-width:42ch; }
.post__meta{ display:flex; align-items:center; gap:14px; margin-top:26px; padding-top:22px;
  border-top:1px solid var(--bl-line-soft); font-family:var(--font-sans); font-size:.9rem; flex-wrap:wrap; }
.post__avatar{ width:44px; height:44px; border-radius:50%; object-fit:cover; border:1px solid var(--bl-line); }
.post__byline b{ color:#fff; font-weight:600; }
.post__byline span{ color:var(--muted,#9a8fa8); display:block; font-size:.82rem; margin-top:2px; }
.post__dot{ color:var(--muted); opacity:.4; }
.post__time{ color:var(--muted,#9a8fa8); }

/* ---------- Hero-Bild ---------- */
.post__cover{ width:100%; border-radius:16px; border:1px solid var(--bl-line); margin:30px 0 8px; overflow:hidden; }
.post__cover img{ width:100%; height:auto; display:block; }

/* ---------- TL;DR / „Kurz gesagt" ---------- */
.tldr{ background:linear-gradient(135deg, rgba(111,48,135,0.18) 0%, rgba(111,48,135,0.05) 100%);
  border:1px solid rgba(192,132,252,0.30); border-radius:14px; padding:22px 24px; margin:34px 0; position:relative; overflow:hidden; }
.tldr::before{ content:""; position:absolute; top:-1px; left:22px; right:22px; height:1px;
  background:linear-gradient(90deg,transparent,var(--purple-lighter,#c084fc),transparent); }
.tldr__label{ display:block; font-family:var(--font-block,sans-serif); font-size:.7rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase; color:var(--purple-lighter,#c084fc); margin-bottom:10px; }
.tldr p{ margin:0; color:var(--off-white,#f4efe9); font-size:1.02rem; line-height:1.6; }
.tldr ul{ margin:10px 0 0; padding-left:1.1em; }
.tldr li{ margin:6px 0; color:var(--off-white); opacity:.9; }

/* ---------- Inhaltsverzeichnis ---------- */
.toc{ border:1px solid var(--bl-line-soft); border-radius:12px; padding:18px 22px; margin:30px 0; background:var(--bl-card); }
.toc__label{ font-family:var(--font-block,sans-serif); font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color:var(--muted,#9a8fa8); }
.toc ol{ margin:12px 0 0; padding-left:1.3em; }
.toc li{ margin:7px 0; }
.toc a{ color:var(--off-white,#f4efe9); opacity:.8; transition:.2s; }
.toc a:hover{ color:var(--purple-lighter,#c084fc); opacity:1; }

/* ---------- Fließtext ---------- */
.post__body{ font-family:var(--font-sans); font-size:1.06rem; line-height:1.72; color:var(--off-white,#f4efe9); }
.post__body > *{ max-width:100%; }
.post__body h2{ font-family:var(--font-display,sans-serif); font-weight:700; letter-spacing:-.015em;
  font-size:clamp(1.5rem,3vw,2.1rem); line-height:1.15; color:#fff; margin:52px 0 16px; scroll-margin-top:90px; }
.post__body h3{ font-family:var(--font-display,sans-serif); font-weight:600; font-size:clamp(1.15rem,2vw,1.4rem);
  color:#fff; margin:34px 0 12px; scroll-margin-top:90px; }
.post__body p{ margin:0 0 18px; }
.post__body a{ color:var(--purple-lighter,#c084fc); text-decoration:underline; text-underline-offset:3px;
  text-decoration-color:rgba(192,132,252,0.4); transition:.2s; }
.post__body a:hover{ text-decoration-color:var(--purple-lighter,#c084fc); }
.post__body strong{ color:#fff; font-weight:600; }
.post__body ul,.post__body ol{ margin:0 0 20px; padding-left:1.4em; }
.post__body li{ margin:9px 0; }
.post__body li::marker{ color:var(--purple-lighter,#c084fc); }
.post__body blockquote{ margin:28px 0; padding:6px 0 6px 22px; border-left:3px solid var(--purple,#6f3087);
  font-family:var(--font-mega,serif); font-style:italic; font-size:1.25rem; line-height:1.5; color:#fff; }
.post__body hr{ border:0; border-top:1px solid var(--bl-line-soft); margin:42px 0; }
.post__body code{ font-family:var(--font-block,monospace); font-size:.9em; background:rgba(192,132,252,0.12);
  border:1px solid var(--bl-line); border-radius:5px; padding:1px 6px; color:var(--purple-lighter,#c084fc); }

/* ---------- Stat-Callout ---------- */
.bl-stat{ display:flex; align-items:center; gap:20px; margin:26px 0; padding:20px 24px;
  border:1px solid var(--bl-line); border-radius:14px; background:var(--bl-card-2); }
.bl-stat__num{ font-family:var(--font-display,sans-serif); font-weight:700; line-height:1; flex:0 0 auto;
  font-size:clamp(2.2rem,5vw,3rem); background:linear-gradient(135deg,var(--purple-lighter,#c084fc),#e879f9);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.bl-stat__txt{ font-size:.98rem; color:var(--off-white); opacity:.88; }
.bl-stat__txt cite{ display:block; font-style:normal; font-size:.78rem; color:var(--muted,#9a8fa8); margin-top:5px; }

/* ---------- Vergleichstabelle ---------- */
.bl-tablewrap{ overflow-x:auto; margin:28px 0; border:1px solid var(--bl-line); border-radius:14px; }
table.bl-table{ width:100%; border-collapse:collapse; font-family:var(--font-sans); font-size:.92rem; min-width:560px; }
table.bl-table th,table.bl-table td{ text-align:left; padding:12px 16px; border-bottom:1px solid var(--bl-line-soft); vertical-align:top; }
table.bl-table thead th{ font-family:var(--font-block,sans-serif); font-size:.7rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--purple-lighter,#c084fc); background:rgba(111,48,135,0.18); position:sticky; top:0; }
table.bl-table tbody tr:nth-child(even){ background:rgba(255,255,255,0.02); }
table.bl-table tbody tr:hover{ background:rgba(192,132,252,0.06); }
table.bl-table td:first-child{ color:#fff; font-weight:600; }

/* ---------- FAQ (native <details>, kein JS nötig) ---------- */
.post__faq{ margin:40px 0 8px; }
.post__faq h2{ margin-bottom:14px; }
.faq-d{ border:1px solid var(--bl-line-soft); border-radius:12px; margin:10px 0; background:var(--bl-card); overflow:hidden; }
.faq-d summary{ cursor:pointer; list-style:none; padding:16px 20px; font-family:var(--font-sans);
  font-weight:600; color:#fff; display:flex; justify-content:space-between; align-items:center; gap:16px; }
.faq-d summary::-webkit-details-marker{ display:none; }
.faq-d summary::after{ content:"+"; color:var(--purple-lighter,#c084fc); font-size:1.4rem; line-height:1; transition:transform .2s; }
.faq-d[open] summary::after{ transform:rotate(45deg); }
.faq-d__a{ padding:0 20px 18px; color:var(--off-white); opacity:.85; line-height:1.65; }

/* ---------- CTA-Box ---------- */
.post__cta{ margin:46px 0; padding:28px 30px; border:1px solid rgba(192,132,252,0.32); border-radius:16px;
  background:linear-gradient(135deg, rgba(111,48,135,0.20) 0%, rgba(111,48,135,0.05) 100%); }
.post__cta h3{ font-family:var(--font-display,sans-serif); font-weight:700; font-size:1.4rem; color:#fff; margin:0 0 8px; }
.post__cta p{ color:var(--off-white); opacity:.85; margin:0 0 18px; }
.post__cta .btn{ display:inline-flex; align-items:center; gap:8px; padding:13px 24px; border-radius:10px;
  background:linear-gradient(135deg, var(--purple,#6f3087) 0%, var(--purple-light,#8f4ba7) 100%);
  color:#fff; font-weight:700; border:1px solid rgba(192,132,252,0.4); transition:transform .18s, box-shadow .18s;
  box-shadow:0 8px 24px rgba(111,48,135,0.4); }
.post__cta .btn:hover{ transform:translateY(-2px); box-shadow:0 12px 32px rgba(111,48,135,0.55); }

/* ---------- Autoren-Box (E-E-A-T) ---------- */
.post__author{ display:flex; gap:18px; align-items:flex-start; margin:44px 0; padding:24px; border:1px solid var(--bl-line-soft); border-radius:16px; background:var(--bl-card); }
.post__author img{ width:64px; height:64px; border-radius:50%; object-fit:cover; flex:0 0 auto; border:1px solid var(--bl-line); }
.post__author h4{ font-family:var(--font-display,sans-serif); color:#fff; margin:0 0 4px; font-size:1.05rem; }
.post__author p{ margin:0; color:var(--muted,#9a8fa8); font-size:.92rem; line-height:1.55; }
.post__author a{ color:var(--purple-lighter,#c084fc); }

/* ---------- Related / weitere Beiträge ---------- */
.bl-related{ margin:54px 0 0; padding-top:36px; border-top:1px solid var(--bl-line-soft); }
.bl-related__label{ font-family:var(--font-block,sans-serif); font-size:.7rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--muted,#9a8fa8); margin-bottom:18px; }

/* ============================================================
   Blog-Übersicht (index)
   ============================================================ */
.bl-hero{ margin-bottom:48px; }
.bl-hero__kicker{ font-family:var(--font-block,sans-serif); font-size:.72rem; letter-spacing:.2em;
  text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.bl-hero__title{ font-family:var(--font-display,sans-serif); font-weight:700; letter-spacing:-.02em;
  font-size:clamp(2.2rem,6vw,4rem); line-height:1.03; color:#fff; margin:16px 0 0; }
.bl-hero__title em{ font-style:normal; background:linear-gradient(135deg,var(--purple-lighter,#c084fc),#e879f9);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.bl-hero__lead{ font-family:var(--font-sans); font-size:clamp(1.05rem,1.6vw,1.25rem); color:var(--off-white);
  opacity:.82; margin-top:20px; max-width:54ch; line-height:1.55; }

.bl-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:22px; }
.post-card{ display:flex; flex-direction:column; border:1px solid var(--bl-line-soft); border-radius:16px;
  background:var(--bl-card); padding:24px; transition:transform .22s, border-color .22s, box-shadow .22s; position:relative; overflow:hidden; }
.post-card:hover{ transform:translateY(-4px); border-color:var(--bl-line); box-shadow:0 18px 40px -24px rgba(111,48,135,0.7); }
.post-card__cat{ font-family:var(--font-block,sans-serif); font-size:.66rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.post-card__title{ font-family:var(--font-display,sans-serif); font-weight:600; font-size:1.28rem; line-height:1.2;
  color:#fff; margin:12px 0 10px; }
.post-card__excerpt{ font-family:var(--font-sans); font-size:.95rem; line-height:1.55; color:var(--off-white); opacity:.78; flex:1 1 auto; }
.post-card__meta{ display:flex; align-items:center; gap:10px; margin-top:18px; font-size:.8rem; color:var(--muted,#9a8fa8); }
.post-card__arrow{ margin-top:16px; color:var(--purple-lighter,#c084fc); font-weight:600; font-size:.9rem; display:inline-flex; align-items:center; gap:7px; }
.post-card:hover .post-card__arrow{ gap:11px; }

/* ============================================================
   Homepage-Teaser-Sektion „KI-News"
   ============================================================ */
.kinews{ padding:clamp(64px,10vw,120px) var(--container-pad,1.5rem); position:relative; }
.kinews__inner{ max-width:1180px; margin:0 auto; }
.kinews__head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; margin-bottom:38px; }
.kinews__label{ font-family:var(--font-block,sans-serif); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.kinews__title{ font-family:var(--font-display,sans-serif); font-weight:700; letter-spacing:-.02em; font-size:clamp(1.8rem,4vw,2.8rem); color:#fff; margin:12px 0 0; line-height:1.08; }
.kinews__title em{ font-style:normal; background:linear-gradient(135deg,var(--purple-lighter,#c084fc),#e879f9); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.kinews__all{ font-family:var(--font-sans); font-weight:600; color:var(--purple-lighter,#c084fc); display:inline-flex; align-items:center; gap:8px; white-space:nowrap; transition:gap .2s; }
.kinews__all:hover{ gap:12px; }
.kinews__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

/* ---------- KI-News: zwei Spalten (Blog | Weekly Recaps) ---------- */
.bl-cols{ display:grid; grid-template-columns:1.55fr 1fr; gap:clamp(28px,4vw,56px); align-items:start; }
.bl-colhead{ display:flex; align-items:baseline; gap:12px; margin-bottom:22px; padding-bottom:14px; border-bottom:1px solid var(--bl-line); }
.bl-colhead h2{ font-family:var(--font-display,sans-serif); font-size:clamp(1.4rem,2.4vw,1.9rem); color:#fff; margin:0; }
.bl-colhead span{ font-family:var(--font-block,sans-serif); font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.bl-col--blog .bl-grid{ grid-template-columns:1fr; }
.recap-list{ display:flex; flex-direction:column; gap:12px; }
.recap-item{ display:block; border:1px solid var(--bl-line-soft); border-radius:12px; padding:16px 18px; background:var(--bl-card); transition:transform .2s, border-color .2s; }
.recap-item:hover{ border-color:var(--bl-line); transform:translateX(3px); }
.recap-item__kw{ font-family:var(--font-block,sans-serif); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.recap-item__title{ display:block; font-family:var(--font-display,sans-serif); font-weight:600; font-size:1.05rem; color:#fff; margin:6px 0; line-height:1.25; }
.recap-item__sum{ display:block; font-size:.88rem; color:var(--off-white,#f4efe9); opacity:.72; line-height:1.5; }
.recap-item__date{ display:block; font-size:.74rem; color:var(--muted,#9a8fa8); margin-top:8px; }
@media (max-width:880px){ .bl-cols{ grid-template-columns:1fr; gap:42px; } }

/* ---------- Recap-Seite: News-Items & Quellen ---------- */
.recap-entry{ padding:24px 0; border-bottom:1px solid var(--bl-line-soft); }
.recap-entry:last-of-type{ border-bottom:0; }
.recap-entry__date{ font-family:var(--font-block,sans-serif); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--purple-lighter,#c084fc); }
.recap-entry h2{ margin:8px 0 10px !important; }
.src{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-sans); font-size:.82rem; color:var(--purple-lighter,#c084fc);
  border:1px solid var(--bl-line); border-radius:999px; padding:5px 13px; margin-top:8px; text-decoration:none !important; }
.src:hover{ background:rgba(192,132,252,0.1); }
.src::before{ content:"\2197"; font-size:.85em; }
.src-list{ list-style:none; padding:0; margin:14px 0 0; }
.src-list li{ margin:8px 0; font-size:.9rem; padding-left:18px; position:relative; }
.src-list li::before{ content:"\2197"; position:absolute; left:0; color:var(--purple-lighter,#c084fc); font-size:.8em; top:3px; }
.src-list a{ color:var(--purple-lighter,#c084fc); }

/* ---------- Eigenständiges Mobile-Menü (Blog-Seiten, ohne script.js) ---------- */
.bl-mobile{ position:fixed; left:0; right:0; top:var(--nav-h,72px); z-index:60;
  background:rgba(10,4,16,0.97); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--bl-line); padding:14px var(--container-pad,1.5rem) 22px;
  display:flex; flex-direction:column; gap:2px; }
.bl-mobile[hidden]{ display:none; }
.bl-mobile a{ padding:14px 4px; font-family:var(--font-display,sans-serif); font-size:1.15rem; color:#fff;
  border-bottom:1px solid var(--bl-line-soft); }
.bl-mobile a:last-child{ border-bottom:0; color:var(--purple-lighter,#c084fc); }
@media (min-width:861px){ .bl-mobile{ display:none !important; } }

/* ---------- Blog-Suche (Übersicht) ---------- */
.bl-search{ margin:0 0 40px; }
.bl-search__field{ position:relative; display:flex; align-items:center; max-width:580px; }
.bl-search__icon{ position:absolute; left:17px; width:18px; height:18px; color:var(--purple-lighter,#c084fc); pointer-events:none; }
.bl-search__input{ width:100%; font-family:var(--font-sans); font-size:1rem; color:#fff;
  background:var(--bl-card); border:1px solid var(--bl-line); border-radius:12px;
  padding:15px 46px 15px 47px; outline:none; transition:border-color .18s, box-shadow .18s; }
.bl-search__input::placeholder{ color:var(--muted); }
.bl-search__input:focus{ border-color:var(--purple-lighter,#c084fc); box-shadow:0 0 0 3px rgba(192,132,252,0.18); }
.bl-search__input::-webkit-search-cancel-button{ -webkit-appearance:none; appearance:none; }
.bl-search__clear{ position:absolute; right:11px; display:none; align-items:center; justify-content:center;
  width:30px; height:30px; border:0; border-radius:9px; background:transparent; color:var(--muted);
  font-size:1.4rem; line-height:1; cursor:pointer; transition:color .15s, background .15s; }
.bl-search__clear:hover{ color:#fff; background:rgba(255,255,255,0.07); }
.bl-search.is-active .bl-search__clear{ display:inline-flex; }
.bl-search__status{ margin:12px 0 0; font-family:var(--font-sans); font-size:.9rem; color:var(--muted); min-height:1.1em; }
.bl-search__status b{ color:var(--off-white); font-weight:600; }
.bl-search__status mark{ background:transparent; color:var(--purple-lighter,#c084fc); font-weight:600; }
.post-card.is-hidden, .recap-item.is-hidden{ display:none; }
.bl-col.is-empty{ display:none; }

/* ---------- Responsive ---------- */
@media (max-width:760px){
  .kinews__grid{ grid-template-columns:1fr; }
  .post__body{ font-size:1.02rem; }
  .bl-stat{ flex-direction:column; align-items:flex-start; gap:10px; }
  .bl-search{ margin-bottom:30px; }
  .bl-search__field{ max-width:none; }
}