/* ============ SMTEC Speedplace — Article (Wissens-Seiten) ============ */
:root {
  --black: #0A0B0F;
  --bg-1: #131418;
  --bg-2: #16181F;
  --bg-3: #1F2229;
  --border: #2A2E37;
  --border-bright: #3A3F4A;
  --magenta: #FF0080;
  --magenta-bright: #FF3399;
  --violet: #6B5BFF;
  --white: #FAFAFA;
  --text: #FAFAFA;
  --text-muted: #8A8F99;
  --text-dim: #565B66;
  --max: 1280px;
  --max-article: 760px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px; line-height: 1.6;
  color: var(--text); background: var(--black);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.03em; color: var(--white);
}
a { color: var(--magenta); text-decoration: none; transition: color .2s; }
a:hover { color: var(--magenta-bright); }
img { max-width: 100%; display: block; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.lang-en { display: none; }
body.en .lang-de { display: none; }
body.en .lang-en { display: inline; }
body.en p.lang-en, body.en h1.lang-en, body.en h2.lang-en, body.en h3.lang-en,
body.en div.lang-en, body.en li.lang-en, body.en .lang-en.block { display: block; }
body.en .lang-en.inline { display: inline; }

/* Topbar */
.topbar {
  background: var(--bg-1); color: var(--text-muted);
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.topbar-links { display: flex; gap: 24px; flex-wrap: wrap; }
.topbar-links a { color: var(--text-muted); letter-spacing: 0.05em; }
.topbar-links a::before { content: '→ '; opacity: 0.5; }
.topbar-links a:hover { color: var(--magenta); }
.lang-switch button, .lang-switch a {
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 12px; padding: 2px 8px;
  font-family: 'JetBrains Mono', monospace; letter-spacing: 0.1em; text-decoration: none;
}
.lang-switch button.active, .lang-switch a.active { color: var(--magenta); font-weight: 600; }

/* Header */
.header {
  background: rgba(10,11,15,0.85);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px);
}
.header .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 20px; padding-bottom: 20px;
}
.logo { display: inline-flex; align-items: center; line-height: 1; text-decoration: none; }
.brand-mark { height: 52px; width: auto; display: block; transition: opacity .2s; }
.logo:hover .brand-mark { opacity: 0.85; }
.nav { display: flex; gap: 36px; align-items: center; }
.nav a {
  color: var(--text); font-weight: 500; font-size: 14px;
  position: relative; padding: 4px 0; transition: color .2s;
}
.nav a:hover { color: var(--magenta); }
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1px; background: var(--magenta); transition: width .25s;
}
.nav a:hover::after { width: 100%; }
.btn {
  display: inline-block; padding: 12px 22px;
  background: var(--magenta); color: var(--white);
  border-radius: var(--radius-sm); font-weight: 700;
  transition: all .2s; border: 1px solid var(--magenta);
  cursor: pointer; font-family: inherit; font-size: 14px;
  box-shadow: 0 8px 24px rgba(255,0,128,0.25);
}
.btn:hover {
  background: var(--magenta-bright); border-color: var(--magenta-bright);
  color: var(--white); transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255,0,128,0.35);
}
.btn-outline { background: transparent; color: var(--white); border-color: var(--border-bright); box-shadow: none; }
.btn-outline:hover { background: var(--bg-2); border-color: var(--text-muted); color: var(--white); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--white); margin: 5px 0; }

/* Article */
.article-hero {
  background: var(--bg-1);
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute; top: -300px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(255,0,128,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 2; max-width: var(--max-article); }
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--magenta); }
.breadcrumb .sep { opacity: 0.4; margin: 0 8px; }
.breadcrumb .current { color: var(--magenta-bright); font-weight: 600; }
.article-eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 700;
  color: var(--magenta-bright);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.article-eyebrow::before { content: '// '; opacity: 0.6; }
.article-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 20px;
}
.article-lede {
  font-size: 18px; line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.article-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--text-dim);
  letter-spacing: 0.04em;
  display: flex; gap: 18px; flex-wrap: wrap;
}
.article-meta time { color: var(--magenta-bright); font-weight: 600; }

.article-body {
  padding: 56px 0 96px;
}
.article-body .container { max-width: var(--max-article); }
.article-body h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin: 48px 0 16px;
}
.article-body h3 {
  font-size: 20px;
  margin: 32px 0 12px;
}
.article-body p {
  color: var(--text);
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.75;
}
.article-body p:has(+ ul), .article-body p:has(+ ol) { margin-bottom: 12px; }
.article-body strong { color: var(--white); }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 22px; color: var(--text-muted); }
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.article-body li::marker { color: var(--magenta); }
.article-body a {
  color: var(--magenta);
  border-bottom: 1px solid rgba(255,0,128,0.3);
}
.article-body a:hover { color: var(--magenta-bright); border-bottom-color: var(--magenta-bright); }
/* Buttons im Artikel-Body sollen NICHT wie Fliesstext-Links eingefärbt/unterstrichen werden */
.article-body a.btn { color: var(--white); border-bottom: none; }
.article-body a.btn:hover { color: var(--white); border-bottom: none; }

/* Tabellen in Artikeln */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 520px;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
}
.spec-table thead th {
  background: var(--bg-1);
  color: var(--white);
  font-weight: 700; font-size: 12px;
  letter-spacing: 0.04em; text-transform: uppercase;
  border-bottom: 1px solid var(--border-bright);
}
.spec-table tbody td { color: var(--text-muted); }
.spec-table tbody td:first-child { color: var(--white); font-weight: 600; }
.spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody tr:hover td { background: rgba(255,255,255,0.018); }
.spec-table strong { color: var(--magenta-bright); }
.table-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-dim);
  letter-spacing: 0.04em; margin: -12px 0 24px;
}

.callout {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--magenta);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 32px 0;
  position: relative;
}
.callout-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 700;
  color: var(--magenta-bright);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.callout p { margin-bottom: 0; color: var(--text); font-size: 15px; }

.article-cta {
  margin-top: 56px;
  padding: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
}
.article-cta::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--magenta) 50%, transparent);
}
.article-cta h3 {
  font-size: 24px;
  margin-bottom: 12px;
}
.article-cta p { color: var(--text-muted); margin-bottom: 20px; }

/* Related articles (Querverlinkung zwischen Wissens-Artikeln) */
.related {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.related-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 700;
  color: var(--magenta-bright);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 24px;
}
.related-label::before { content: '// '; opacity: 0.6; }
.related-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.related-card {
  display: block;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  position: relative;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.related-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--magenta) 50%, transparent);
  opacity: 0; transition: opacity .2s;
}
.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-bright);
  box-shadow: 0 10px 30px rgba(255,0,128,0.12);
  color: var(--text);
}
.related-card:hover::before { opacity: 1; }
.related-card .topic {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 700;
  color: var(--magenta-bright);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 10px;
}
.related-card h3 { font-size: 18px; line-height: 1.25; margin: 0 0 8px; }
.related-card p { color: var(--text-muted); font-size: 14px; line-height: 1.55; margin: 0; }
.related-card .arrow {
  display: inline-block; margin-top: 14px;
  color: var(--magenta-bright); font-weight: 700; font-size: 14px;
}

/* Footer */
footer {
  background: var(--bg-1); color: var(--text-muted);
  padding: 72px 0 24px; font-size: 14px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px;
}
footer h5 {
  color: var(--magenta-bright);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px; letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 20px; font-weight: 700;
}
footer h5::before { content: '// '; opacity: 0.5; }
footer ul { list-style: none; }
footer ul li { margin-bottom: 10px; }
footer a { color: var(--text-muted); transition: color .2s; }
footer a:hover { color: var(--magenta); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .brand-mark { height: 44px; }
.footer-brand p { margin-bottom: 8px; line-height: 1.7; color: var(--text-muted); }
.footer-brand a { color: var(--text-muted); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  font-size: 12px; color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}
.footer-bottom time { color: var(--magenta-bright); font-weight: 600; }
.footer-meta {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-dim);
  text-align: center; letter-spacing: 0.05em;
}
.footer-meta time { color: var(--magenta-bright); font-weight: 600; }

/* Responsive */
@media (max-width: 980px) {
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-1); flex-direction: column; padding: 24px; gap: 16px;
    box-shadow: var(--shadow); border-bottom: 1px solid var(--border);
  }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .article-hero { padding: 40px 0 28px; }
  .article-body { padding: 40px 0 72px; }
  .article-meta { gap: 12px; }
}