/* ─── TOKENS (abgeleitet von style-neu.css) ─── */
:root {
  --bg:           #09090f;
  --surface:      #111119;
  --surface-2:    #1c1c28;
  --code-bg:      #0b0b12;
  --text:         #f1f5f9;
  --muted:        #8892a4;
  --border:       rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --glass:        rgba(255,255,255,0.03);
  --glass-hover:  rgba(255,255,255,0.06);
  --shadow:       0 2px 16px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 40px rgba(0,0,0,0.65);
  --c-ok:#22c55e; --c-warn:#f59e0b; --c-bad:#e05c7a; --c-info:#3b82f6;
  --radius:       12px;
  --radius-sm:    6px;
  --radius-pill:  999px;

  /* Istio-Komponenten-Farbcode, konsistent in HTML + SVG-Diagrammen */
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(9,9,15,.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: .7rem 2rem;
  display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
}
nav .brand {
  font-weight: 800; font-size: 1.05rem; margin-right: .8rem;
  background: linear-gradient(135deg, #60a5fa 0%, #c084fc 45%, #22d3ee 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
nav a {
  color: var(--muted); text-decoration: none; font-size: .82rem;
  padding: .4rem .8rem; border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: color .18s, background .18s, border-color .18s;
  white-space: nowrap;
}
nav a:hover { color: var(--text); background: var(--glass); border-color: var(--border); }
nav a.nav-back { margin-left: auto; }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 4.5rem 2rem 3.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 30% 20%, rgba(59,130,246,.14) 0%, transparent 70%),
    radial-gradient(ellipse 50% 70% at 75% 10%, rgba(168,85,247,.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(34,211,238,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero .tag {
  position: relative;
  display: inline-block;
  background: rgba(168,85,247,.13);
  border: 1px solid rgba(168,85,247,.4);
  border-radius: 20px;
  padding: .3rem 1rem;
  font-size: .78rem;
  color: #c084fc;
  margin-bottom: 1.3rem;
  text-transform: uppercase; letter-spacing: .08em;
}
.hero h1 {
  position: relative;
  font-size: clamp(1.9rem, 4.2vw, 3rem); line-height: 1.18; margin-bottom: 1rem;
  font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(135deg, #60a5fa 0%, #c084fc 45%, #22d3ee 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { position: relative; color: var(--muted); max-width: 700px; margin: 0 auto; font-size: 1.02rem; }

/* ── Layout ── */
main { max-width: 1140px; margin: 0 auto; padding: 0 2rem 6rem; }
section { padding-top: 4rem; }
h2 {
  font-size: 1.55rem; margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: .7rem;
}
h2 .num {
  background: linear-gradient(135deg, #60a5fa, #a855f7);
  border-radius: 7px; color: #fff;
  padding: .15rem .55rem; font-size: .82rem; font-weight: 700;
}
h3 { font-size: 1.1rem; margin: 1.8rem 0 .7rem; color: #60a5fa; }
h4 { font-size: .95rem; margin: 1rem 0 .5rem; color: var(--text); }
p { margin-bottom: .9rem; }
ul, ol { padding-left: 1.4rem; margin-bottom: .9rem; }
li { margin-bottom: .4rem; }
strong { color: #fff; }
code { font-family: 'SF Mono','Fira Code','Cascadia Code', Consolas, monospace; font-size: .88em; background: var(--glass); padding: .1rem .35rem; border-radius: 4px; }

/* ── Cards ── */
.card { background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.6rem; margin-bottom: 1.2rem; box-shadow: var(--shadow); transition: border-color .18s, box-shadow .18s; }
.card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.card h3, .card h4 { margin-top: 0; }
.card .ico { font-size: 1.6rem; display: block; margin-bottom: .3rem; }
.card.ok   { border-left: 3px solid var(--c-ok); }
.card.warn { border-left: 3px solid var(--c-warn); }
.card.bad  { border-left: 3px solid var(--c-bad); }
.card.info { border-left: 3px solid var(--c-info); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 800px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } nav, main { padding-left: 1rem; padding-right: 1rem; } }
.badge { display: inline-block; padding: .15rem .55rem; border-radius: var(--radius-sm); font-size: .72rem; font-weight: 600; }
.b-ok   { background: rgba(34,197,94,.18);  color: #4ade80; }
.b-warn { background: rgba(245,158,11,.18); color: #fbbf24; }
.b-bad  { background: rgba(224,92,122,.2);  color: #f4879c; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; margin-bottom: 1.2rem; }
th { background: rgba(96,165,250,.1); color: #60a5fa; text-align: left; padding: .7rem .9rem; border-bottom: 2px solid var(--border); }
td { padding: .65rem .9rem; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:hover td { background: rgba(255,255,255,.025); }
.table-wrap { overflow-x: auto; }
.tip { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.3); border-radius: var(--radius); padding: 1rem 1.3rem; margin-bottom: 1.2rem; }
hr { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }