/* ═══════════════════════════════════════════════════════════════
   Bitköln – Themen-Unterseiten Shared CSS
═══════════════════════════════════════════════════════════════ */

/* ── HERO ──────────────────────────────────────────────────── */
.track-hero {
  padding: 130px 0 70px;
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .track-hero { background: #0A0A08; }

.track-hero__bg-num {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 320px;
  color: #fff;
  opacity: 0.03;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.track-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: rgba(249,247,242,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  text-decoration: none;
  transition: color 0.2s;
}
.track-hero__back:hover { color: rgba(249,247,242,0.9); }

.track-hero__track {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.track-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 14px;
  max-width: 700px;
}

.track-hero__tags {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(249,247,242,0.45);
  margin-bottom: 20px;
}

.track-hero__intro {
  font-size: 1.05rem;
  color: rgba(249,247,242,0.7);
  max-width: 620px;
  line-height: 1.7;
  font-weight: 300;
}

.track-hero__levels {
  display: flex;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.level-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(249,247,242,0.15);
  color: rgba(249,247,242,0.6);
}

.level-badge--einsteiger {
  border-color: rgba(40,200,80,0.4);
  color: #5dcc7a;
}

.level-badge--fortgeschritten {
  border-color: rgba(247,147,26,0.5);
  color: var(--orange);
}

/* ── WAS IST DAS ───────────────────────────────────────────── */
.was-ist {
  padding: 64px 0 48px;
}

.was-ist__text {
  font-size: 1.05rem;
  color: var(--ink2);
  line-height: 1.8;
  font-weight: 300;
  max-width: 760px;
}

.was-ist__text + .was-ist__text { margin-top: 16px; }

.was-ist__highlight {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  border-left: 3px solid var(--orange);
  padding-left: 20px;
  margin: 32px 0;
  color: var(--ink);
  max-width: 680px;
  line-height: 1.4;
}

/* ── TOOLS GRID ────────────────────────────────────────────── */
.tools-section {
  padding: 48px 0 64px;
  background: var(--bg2);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.tool-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.tool-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.tool-card__name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.tool-card__level {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  white-space: nowrap;
}

.tool-card__level--e {
  background: rgba(40,167,69,0.12);
  color: #1a7a35;
}

[data-theme="dark"] .tool-card__level--e {
  background: rgba(40,167,69,0.2);
  color: #4dbb6b;
}

.tool-card__level--f {
  background: rgba(247,147,26,0.12);
  color: var(--orange-text);
}

[data-theme="dark"] .tool-card__level--f {
  background: rgba(247,147,26,0.2);
  color: var(--orange);
}

.tool-card__desc {
  font-size: 0.94rem;
  color: var(--ink2);
  line-height: 1.6;
  margin-bottom: 12px;
}

.tool-card__link {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  color: var(--orange-text);
}

.tool-card__link:hover { color: var(--ink); }

/* ── TRACK-ARTIKEL (Hub → Subpage-Links) ──────────────────── */
.track-articles-section {
  padding: 48px 0 64px;
}

.track-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.track-article-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}

.track-article-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  background: var(--bg2);
}

.track-article-card__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-text);
}

.track-article-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.005em;
  line-height: 1.25;
}

.track-article-card__title em {
  font-style: italic;
  color: var(--orange-text);
}

.track-article-card__desc {
  font-size: 0.95rem;
  color: var(--ink2);
  line-height: 1.6;
  font-weight: 300;
  flex: 1;
}

.track-article-card__more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--orange-text);
  margin-top: 4px;
}

.track-article-card__more::after {
  content: ' →';
  display: inline-block;
  transition: transform 0.2s;
}

.track-article-card:hover .track-article-card__more::after {
  transform: translateX(4px);
}

/* ── SLIDES / EVENTS ARCHIV ────────────────────────────────── */
.archiv-section { padding: 64px 0; }

.archiv-empty {
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--ink3);
}

.archiv-empty__icon { font-size: 2rem; margin-bottom: 12px; }
.archiv-empty__text { font-size: 0.96rem; }

.archiv-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  transition: border-color 0.2s;
}

.archiv-item:hover { border-color: var(--orange); }

.archiv-item__date {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  color: var(--ink3);
  white-space: nowrap;
}

.archiv-item__title {
  font-weight: 500;
  font-size: 0.96rem;
  flex: 1;
}

.archiv-item__links {
  display: flex;
  gap: 10px;
}

.archiv-item__links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--orange-text);
  padding: 4px 10px;
  border: 1px solid rgba(247,147,26,0.3);
  border-radius: 6px;
  transition: background 0.2s;
}

.archiv-item__links a:hover { background: rgba(247,147,26,0.1); }

/* ── CTA BANNER ────────────────────────────────────────────── */
.cta-banner {
  background: var(--orange);
  color: #141410;
  padding: 60px 0;
  text-align: center;
}

.cta-banner__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

.cta-banner__sub {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 28px;
  font-weight: 300;
}

.cta-banner .btn {
  background: #fff;
  color: #A15800 !important; /* Literal: --orange-text flippt im Dark Mode, der Button bleibt weiß */
}

.cta-banner .btn:hover { background: rgba(255,255,255,0.9); }

/* ── NAV BREADCRUMB ────────────────────────────────────────── */
.breadcrumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.80rem;
  color: var(--ink3);
  display: flex;
  gap: 8px;
  align-items: center;
}

.breadcrumb a { color: var(--ink3); }
.breadcrumb a:hover { color: var(--orange-text); }
.breadcrumb__sep { opacity: 0.4; }
.breadcrumb__current { color: var(--ink2); }

/* Responsive */
@media (max-width: 640px) {
  .track-hero { padding: 110px 0 50px; }
  .track-hero__bg-num { display: none; }
  .tools-grid { grid-template-columns: 1fr; }
}