/* =========================================================================
   enerva — Design-System  ·  "Sovereign Infrastructure / Energy Telemetry"
   Engineering-grade, dark, high-contrast. Amber = Strom/Compliance,
   Teal = Effizienz/CO2. Mono = Datenidentitaet. Hand-written CSS, kein Build.
   ========================================================================= */

/* ---- 0. Self-hosted Fonts (souveraen, kein externer Call) -------------- */
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/space-grotesk-400.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/space-grotesk-500.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/space-grotesk-600.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/space-grotesk-700.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/jetbrains-mono-500.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/jetbrains-mono-700.woff2') format('woff2'); }

/* ---- 1. Tokens ---------------------------------------------------------- */
:root {
  /* Canvas / Flaechen */
  --bg:        #0B0E14;
  --bg-1:      #0E121B;
  --bg-2:      #131A27;
  --bg-3:      #1A2434;
  --bg-inset:  #080A0F;

  /* Linien / Raster */
  --line:        rgba(231, 236, 243, 0.085);
  --line-strong: rgba(231, 236, 243, 0.16);
  --grid:        rgba(231, 236, 243, 0.030);

  /* Schrift */
  --ink:       #E7ECF3;
  --ink-dim:   #9AA7B8;
  --ink-faint: #62718A;
  --ink-mute:  #44506318;

  /* Akzente */
  --amber:      #F5B301;
  --amber-2:    #FFC93A;
  --amber-soft: rgba(245, 179, 1, 0.12);
  --amber-line: rgba(245, 179, 1, 0.32);

  /* Marke — fix, unabhaengig vom Seiten-Akzent */
  --brand:      #F5B301;
  --brand-fill: rgba(245, 179, 1, 0.10);

  --teal:       #2DD4BF;
  --teal-2:     #5BE7D4;
  --teal-soft:  rgba(45, 212, 191, 0.12);
  --teal-line:  rgba(45, 212, 191, 0.32);

  --alert:      #F4736B;
  --alert-soft: rgba(244, 115, 107, 0.12);

  /* Per-Seite gesetzt; Default amber */
  --accent:      var(--amber);
  --accent-2:    var(--amber-2);
  --accent-soft: var(--amber-soft);
  --accent-line: var(--amber-line);
  --accent-ink:  #0B0E14; /* Text auf Akzentflaeche */

  /* Typo-Stacks */
  --font-display: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;

  /* Geometrie */
  --r:    6px;
  --r-lg: 12px;
  --maxw: 1200px;
  --pad:  clamp(1.15rem, 4vw, 2.25rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-page="monitoring"] {
  --accent:      var(--teal);
  --accent-2:    var(--teal-2);
  --accent-soft: var(--teal-soft);
  --accent-line: var(--teal-line);
  --accent-ink:  #04201C;
}

/* ---- 2. Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-display);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; padding: 0; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- 3. Atmosphaere: Raster + Grain + Glow ----------------------------- */
body::before {
  /* feines Engineering-Raster + sanftes Glow oben */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  background-position: center top;
  mask-image: radial-gradient(120% 80% at 50% -10%, #000 35%, transparent 100%);
  pointer-events: none;
}
body::after {
  /* feiner Film-Grain, sehr dezent */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* Akzent-Glow als Seitenstimmung */
.page-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 40% at 80% -5%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(50% 35% at 5% 0%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
}

/* ---- 4. Layout-Primitive ----------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.divider { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: attr(data-idx);
  color: var(--ink-faint);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0.05em 0.4em;
  font-size: 0.92em;
}
.eyebrow--bare::before { content: none; }

.section-head { max-width: 56ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2 { margin-top: 0.9rem; }
.section-head p { color: var(--ink-dim); margin-top: 0.9rem; font-size: 1.05rem; }

/* ---- 5. Typografie ------------------------------------------------------ */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
.display {
  font-size: clamp(2.4rem, 6.4vw, 4.6rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
h2 { font-size: clamp(1.7rem, 3.6vw, 2.7rem); }
h3 { font-size: clamp(1.18rem, 2vw, 1.45rem); }
h4 { font-size: 1.02rem; }
.lede { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--ink-dim); line-height: 1.55; }
.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }
.accent-2 { color: var(--teal); }
.dim { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }
strong, b { font-weight: 600; color: var(--ink); }

/* ---- 6. Top-Nav --------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 60px;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 600; letter-spacing: -0.01em; }
.brand__mark { width: 22px; height: 22px; flex: none; }
.brand__name { font-size: 1.12rem; }
.brand__name b { color: var(--brand); font-weight: 600; }

.nav__links { display: none; align-items: center; gap: 0.25rem; margin-left: 1.2rem; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  padding: 0.45rem 0.7rem;
  border-radius: var(--r);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav__links a:hover { color: var(--ink); background: var(--bg-2); }
.nav__links a[aria-current="page"] { color: var(--accent); }
.nav__spacer { flex: 1; }

.nav__badge {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 0.32rem 0.7rem;
  white-space: nowrap;
}
.nav__badge b { color: var(--teal); font-weight: 600; }

.nav__cta { display: none; }

.nav__toggle {
  margin-left: auto;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  color: var(--ink);
}
.nav__toggle svg { width: 20px; height: 20px; }

.nav__panel {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding: 0.6rem var(--pad) 1rem;
}
.nav__panel.open { display: block; }
.nav__panel a {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--ink-dim);
  padding: 0.75rem 0.2rem;
  border-bottom: 1px solid var(--line);
}
.nav__panel a[aria-current="page"] { color: var(--accent); }
.nav__panel .nav__badge { display: inline-block; margin-top: 0.9rem; }

@media (min-width: 600px) { .nav__cta { display: inline-flex; } }
@media (min-width: 920px) {
  .nav__links { display: flex; }
  .nav__toggle { display: none; }
}
@media (min-width: 1180px) { .nav__badge { display: inline-block; } }

/* ---- 7. Buttons / Badges ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  padding: 0.72rem 1.15rem;
  border-radius: var(--r);
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn--primary:hover { background: var(--accent-2); }
.btn--ghost { border-color: var(--line-strong); color: var(--ink); }
.btn--ghost:hover { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); }
.btn--quiet { color: var(--ink-dim); padding-inline: 0.4rem; }
.btn--quiet:hover { color: var(--accent); }
.btn svg { width: 16px; height: 16px; }
.btn-arrow { transition: transform 0.2s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 0.36rem 0.75rem;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.badge--live .dot { background: var(--teal); }
.badge--live { color: var(--teal); border-color: var(--teal-line); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
}
.tag--in { border-left: 2px solid var(--accent-line); }
.tag--out { border-left: 2px solid var(--teal-line); }

/* ---- 8. Hero ------------------------------------------------------------ */
.hero { position: relative; padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.hero__grid { display: grid; gap: clamp(2.2rem, 5vw, 3.5rem); align-items: center; }
@media (min-width: 980px) { .hero__grid { grid-template-columns: 1.05fr 0.95fr; } }
.hero h1 { margin-top: 1.3rem; }
.hero .lede { margin-top: 1.4rem; max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem;
  margin-top: 2.2rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-faint);
}
.hero__meta b { color: var(--ink); font-weight: 500; }

/* ---- 9. Cards / Panels / Tiles ----------------------------------------- */
.panel {
  background: linear-gradient(180deg, var(--bg-1), color-mix(in srgb, var(--bg-1) 86%, #000));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.panel--inset { background: var(--bg-inset); }

.card {
  background: linear-gradient(180deg, var(--bg-1), color-mix(in srgb, var(--bg-1) 84%, #000));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.3rem, 2.5vw, 1.8rem);
  position: relative;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.card--link:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.card__idx {
  font-family: var(--font-mono); font-size: 0.74rem;
  color: var(--ink-faint); letter-spacing: 0.1em;
}
.card h3 { margin-top: 0.7rem; }
.card p { color: var(--ink-dim); margin-top: 0.6rem; }
.card__icon {
  width: 38px; height: 38px; border-radius: var(--r);
  display: grid; place-items: center;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 1rem;
}
.card__icon svg { width: 20px; height: 20px; }

.grid { display: grid; gap: 1rem; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid--2 { grid-template-columns: 1fr 1fr; } .grid--4 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 920px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Feature-Liste mit Mono-Bullets */
.flist { display: grid; gap: 0.7rem; margin-top: 1rem; }
.flist li { position: relative; padding-left: 1.5em; color: var(--ink-dim); }
.flist li::before {
  content: "›"; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); color: var(--accent); font-weight: 600;
}
.flist b { color: var(--ink); }

/* KPI / Stat-Tiles */
.tiles { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.tiles--2 { grid-template-columns: 1fr 1fr; }
.tiles--3 { grid-template-columns: 1fr; }
.tiles--6 { grid-template-columns: 1fr 1fr; }
@media (min-width: 640px) { .tiles--3 { grid-template-columns: repeat(3,1fr); } .tiles--6 { grid-template-columns: repeat(3,1fr); } }
@media (min-width: 980px) { .tiles--6 { grid-template-columns: repeat(6,1fr); } }
.tile { background: var(--bg-1); padding: 1.1rem 1.15rem; min-height: 110px; display: flex; flex-direction: column; gap: 0.35rem; }
.tile__label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--ink-faint); text-transform: uppercase; display: flex; align-items: center; gap: 0.4rem; }
.tile__val { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1; }
.tile__val .u { font-size: 0.5em; color: var(--ink-faint); font-weight: 400; margin-left: 0.25em; }
.tile__sub { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-dim); margin-top: auto; display: flex; align-items: center; gap: 0.4rem; }
.delta-up { color: var(--teal); }
.delta-dn { color: var(--alert); }
.tile--amber .tile__val { color: var(--amber); }
.tile--teal .tile__val { color: var(--teal); }

/* ---- 10. Code / Schema-Snippets ---------------------------------------- */
.code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.code__bar {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 0.95rem; border-bottom: 1px solid var(--line);
  color: var(--ink-faint); font-size: 0.72rem; letter-spacing: 0.05em;
}
.code__bar .d { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.code__bar .name { margin-left: auto; }
.code pre { padding: 1rem 1.1rem; overflow-x: auto; color: var(--ink-dim); }
.code .k { color: var(--accent); }
.code .s { color: var(--teal); }
.code .c { color: var(--ink-faint); font-style: italic; }
.code .n { color: var(--amber-2); }

/* ---- 11. Tabellen / Matrix --------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); }
table.data { width: 100%; border-collapse: collapse; min-width: 560px; }
table.data th, table.data td { text-align: left; padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data thead th {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); background: var(--bg-1); position: sticky; top: 0;
}
table.data tbody tr:hover { background: var(--bg-1); }
table.data td .mono { font-size: 0.82rem; color: var(--ink); }
table.data td.dim, table.data .cell-note { color: var(--ink-dim); font-size: 0.9rem; }
table.data tr:last-child td { border-bottom: none; }

.status { font-family: var(--font-mono); font-size: 0.72rem; display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; flex: none; }
.status--ok { color: var(--teal); }
.status--ok::before { background: var(--teal); }
.status--law { color: var(--amber); }
.status--law::before { background: var(--amber); }
.status--draft { color: var(--ink-dim); }
.status--draft::before { background: var(--ink-faint); }

/* ---- 12. Datenfluss-Diagramm (Exchange) -------------------------------- */
.flow { position: relative; }
.flow__bus { width: 100%; height: 40px; margin-bottom: 1.5rem; }
.flow__grid { display: grid; gap: 1rem; position: relative; }
@media (min-width: 960px) { .flow__grid { grid-template-columns: 1fr 1.15fr 1fr; gap: 1.4rem; align-items: stretch; } }
.flow__wires { display: none; }
@media (min-width: 960px) {
  .flow__wires { display: block; position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
}
.flow__col { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.flow__col h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.3rem; }
.node {
  font-family: var(--font-mono); font-size: 0.8rem;
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--r); padding: 0.7rem 0.85rem;
  display: flex; flex-direction: column; gap: 0.15rem;
}
.node b { color: var(--ink); font-weight: 600; font-size: 0.84rem; }
.node span { color: var(--ink-faint); font-size: 0.72rem; }
.node--in { border-left: 2px solid var(--amber-line); }
.node--out { border-left: 2px solid var(--teal-line); }
.flow__core {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--accent-line);
  border-radius: var(--r-lg);
  padding: 1.4rem 1.3rem;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: 0 0 0 1px var(--accent-soft), 0 24px 60px -30px color-mix(in srgb, var(--accent) 60%, transparent);
}
.flow__core .k { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.flow__core h3 { margin: 0.5rem 0; }
.flow__core p { color: var(--ink-dim); font-size: 0.92rem; }
.flow__core .specs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.flow__col--mid { justify-content: center; }

/* connector mobil */
.flow__col:not(:last-child)::after {
  content: "↓"; display: block; text-align: center; color: var(--accent); font-family: var(--font-mono); margin-top: 0.2rem;
}
@media (min-width: 960px) { .flow__col::after { content: none !important; } }

/* animierter Bus-Flow */
.flowdash { stroke-dasharray: 5 7; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -24; } }

/* ---- 13. Lastgang / Charts (Monitoring) -------------------------------- */
.chart { width: 100%; height: auto; }
.chart-card { padding: clamp(1.1rem, 2.5vw, 1.6rem); }
.chart-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.6rem; margin-bottom: 1rem; }
.chart-head .legend { display: flex; gap: 1rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-dim); }
.chart-head .legend i { display: inline-block; width: 10px; height: 2px; vertical-align: middle; margin-right: 0.4rem; }

.curve-line { fill: none; stroke-width: 2; }
.curve-draw { stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: draw 2.6s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.now-dot { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Tag/Nacht-Spalten */
.spread { display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px; align-items: end; height: 90px; }
.spread .bar { background: var(--teal); border-radius: 1px 1px 0 0; opacity: 0.85; transition: opacity 0.2s; }
.spread .bar.lo { background: var(--teal); opacity: 0.30; }
.spread .bar.mid { opacity: 0.55; }
.spread-axis { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-faint); margin-top: 0.5rem; }

/* Live-Punkt */
.live { display: inline-flex; align-items: center; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--teal); }
.live .pip { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); position: relative; }
.live .pip::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--teal); animation: ring 2s ease-out infinite; }
@keyframes ring { 0% { transform: scale(0.6); opacity: 0.9; } 100% { transform: scale(1.8); opacity: 0; } }

/* Alert-Zeilen */
.alert-row { display: grid; grid-template-columns: auto 1fr auto; gap: 0.9rem; align-items: center; padding: 0.85rem 1rem; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-1); }
.alert-row + .alert-row { margin-top: 0.6rem; }
.alert-row .sev { width: 8px; height: 8px; border-radius: 50%; }
.sev--warn { background: var(--amber); }
.sev--crit { background: var(--alert); }
.sev--info { background: var(--teal); }
.alert-row .meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }
.alert-row b { color: var(--ink); font-weight: 600; }

/* ---- 14. Pricing -------------------------------------------------------- */
.price { display: flex; flex-direction: column; }
.price--feat { border-color: var(--accent-line); box-shadow: 0 24px 60px -34px color-mix(in srgb, var(--accent) 70%, transparent); }
.price__name { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.price--feat .price__name { color: var(--accent); }
.price__amt { font-size: clamp(1.7rem, 3vw, 2.1rem); font-weight: 600; letter-spacing: -0.02em; margin-top: 0.7rem; }
.price__amt small { font-size: 0.42em; color: var(--ink-faint); font-family: var(--font-mono); font-weight: 400; letter-spacing: 0; }
.price__note { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); margin-top: 0.3rem; }
.price ul.flist { flex: 1; margin-block: 1.2rem 1.5rem; }
.price ul.flist li { font-size: 0.92rem; }

/* ---- 15. Hub-spezifisch (index) ---------------------------------------- */
.hub-card { display: flex; flex-direction: column; min-height: 280px; overflow: hidden; padding: 0; }
.hub-card__viz { height: 120px; border-bottom: 1px solid var(--line); background: var(--bg-inset); position: relative; overflow: hidden; }
.hub-card__body { padding: 1.4rem; display: flex; flex-direction: column; flex: 1; }
.hub-card__body h3 { display: flex; align-items: center; gap: 0.5rem; }
.hub-card__body p { color: var(--ink-dim); margin-top: 0.6rem; flex: 1; }
.hub-card__go { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); margin-top: 1.2rem; display: inline-flex; align-items: center; gap: 0.4rem; }
.hub-card[data-acc="teal"] { --accent: var(--teal); --accent-2: var(--teal-2); --accent-soft: var(--teal-soft); --accent-line: var(--teal-line); }
.hub-card:hover { border-color: var(--accent-line); }
.hub-card:hover .btn-arrow { transform: translateX(3px); }

/* Banner / Hinweis */
.note {
  display: grid; grid-template-columns: auto 1fr; gap: 0.9rem;
  border: 1px solid var(--line); border-left: 2px solid var(--accent-line);
  background: var(--bg-1); border-radius: var(--r); padding: 1rem 1.15rem;
  color: var(--ink-dim); font-size: 0.92rem;
}
.note svg { width: 18px; height: 18px; color: var(--accent); margin-top: 0.15rem; }
.note b { color: var(--ink); }

/* Stat-Leiste */
.statbar { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
@media (min-width: 720px) { .statbar { grid-template-columns: repeat(4, 1fr); } }
.statbar > div { background: var(--bg); padding: 1.4rem var(--pad); }
.statbar .v { font-size: 1.7rem; font-weight: 600; letter-spacing: -0.02em; }
.statbar .v .accent { color: var(--accent); }
.statbar .l { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); margin-top: 0.3rem; }

/* ---- 16. Footer --------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-1); margin-top: 2rem; }
.footer__grid { display: grid; gap: 2rem; padding-block: 3rem; }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }
.footer h5 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem; }
.footer ul li { margin-bottom: 0.6rem; }
.footer a { color: var(--ink-dim); font-size: 0.92rem; }
.footer a:hover { color: var(--accent); }
.footer__brand p { color: var(--ink-dim); font-size: 0.92rem; margin-top: 1rem; max-width: 38ch; }
.footer__legal {
  border-top: 1px solid var(--line); padding-block: 1.4rem;
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-faint);
}
.footer__legal a { color: var(--ink-faint); }
.footer__legal a:hover { color: var(--ink-dim); }

/* ---- 16b. Footer — Impressum / Kontakt / Datenschutz ------------------- */
.footer__imprint {
  border-top: 1px solid var(--line);
  padding-block: 2.2rem;
  display: grid; gap: 2rem;
}
@media (min-width: 760px) { .footer__imprint { grid-template-columns: 1.3fr 1fr 1.1fr; gap: 2.5rem; } }
.footer__imprint h5 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem; }
.dl { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; font-size: 0.88rem; }
.dl dt { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-faint); line-height: 1.4; }
.dl dd { color: var(--ink-dim); }
.dl a { color: var(--ink); }
.dl a:hover { color: var(--accent); }
.ph { color: var(--amber); font-family: var(--font-mono); font-size: 0.82rem; }

/* ---- 16c. Zaehlerbaum (Monitoring) ------------------------------------- */
.tree { font-family: var(--font-mono); font-size: 0.84rem; }
.tree details { border-left: 1px solid var(--line); margin-left: 0.55rem; }
.tree > details { border-left: 0; margin-left: 0; }
.tree summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap;
  padding: 0.55rem 0.7rem; border-radius: var(--r);
}
.tree summary::-webkit-details-marker { display: none; }
.tree summary:hover { background: var(--bg-2); }
.tree summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.tree summary::before {
  content: "▸"; color: var(--ink-faint); width: 0.85em; flex: none;
  transition: transform 0.15s var(--ease);
}
.tree details[open] > summary::before { transform: rotate(90deg); }
.tree .twig {
  display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap;
  padding: 0.5rem 0.7rem 0.5rem 1.9rem; color: var(--ink-dim);
}
.tree .twig + .twig { border-top: 1px solid var(--line); }
.tree .nm { color: var(--ink); }
.tree .id { color: var(--ink-faint); font-size: 0.74rem; }
.tree .val { margin-left: auto; color: var(--ink); font-weight: 500; }
@media (max-width: 520px) { .tree .val { margin-left: 0; } }

.cat { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.04em; padding: 0.1rem 0.42rem; border-radius: 3px; border: 1px solid var(--line-strong); color: var(--ink-dim); white-space: nowrap; }
.cat--it, .cat--total { color: var(--amber); border-color: var(--amber-line); }
.cat--gpu, .cat--reuse, .cat--ee { color: var(--teal); border-color: var(--teal-line); }
.prov { font-family: var(--font-mono); font-size: 0.66rem; display: inline-flex; align-items: center; gap: 0.3rem; white-space: nowrap; }
.prov::before { content: ""; width: 6px; height: 6px; border-radius: 50%; flex: none; }
.prov--measured { color: var(--teal); } .prov--measured::before { background: var(--teal); }
.prov--substituted { color: var(--amber); } .prov--substituted::before { background: var(--amber); }
.prov--estimated { color: var(--alert); } .prov--estimated::before { background: var(--alert); }

/* sehr sparsames "Atmen" der Lastgang-Flaeche (nur bei erlaubter Motion) */
.breathe { animation: breathe 7s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { opacity: 0.78; } 50% { opacity: 1; } }

/* ---- 16d. Spec-Seite --------------------------------------------------- */
.spec-layout { display: grid; gap: 2rem; }
@media (min-width: 1000px) { .spec-layout { grid-template-columns: 212px 1fr; gap: 3rem; align-items: start; } }
.spec-toc { position: static; }
@media (min-width: 1000px) { .spec-toc { position: sticky; top: 78px; } }
.spec-toc h5 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.7rem; }
.spec-toc ol { display: grid; gap: 0.1rem; }
.spec-toc a { display: flex; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.79rem; color: var(--ink-dim); padding: 0.4rem 0.6rem; border-left: 1px solid var(--line); }
.spec-toc a i { color: var(--ink-faint); font-style: normal; }
.spec-toc a:hover { color: var(--accent); border-left-color: var(--accent-line); background: var(--bg-1); }
.spec-block { padding-block: clamp(1.8rem, 3.5vw, 2.6rem); scroll-margin-top: 76px; }
.spec-block + .spec-block { border-top: 1px solid var(--line); }
.spec-block > h2 { font-size: clamp(1.4rem, 2.6vw, 1.95rem); margin-top: 0.7rem; }
.spec-block > p { color: var(--ink-dim); margin-top: 0.8rem; max-width: 64ch; }
.spec-block .code, .spec-block .table-wrap, .spec-block .grid, .spec-block .note, .spec-block .flist { margin-top: 1.3rem; }

/* ---- 17. Helpers + Motion ---------------------------------------------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.muted-rule { height: 1px; background: var(--line); border: 0; margin-block: clamp(2.5rem,6vw,4rem); }
.cta-band {
  border: 1px solid var(--accent-line);
  background:
    radial-gradient(120% 140% at 100% 0%, var(--accent-soft), transparent 60%),
    var(--bg-1);
  border-radius: var(--r-lg);
  padding: clamp(2rem, 5vw, 3.2rem);
  display: grid; gap: 1.4rem; align-items: center;
}
@media (min-width: 820px) { .cta-band { grid-template-columns: 1.4fr auto; } }
.cta-band h2 { max-width: 22ch; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Reveal-on-load (orchestriert, einmalig) */
.reveal { opacity: 0; transform: translateY(14px); }
.is-in .reveal { animation: rise 0.7s var(--ease) forwards; }
.is-in .reveal:nth-child(2) { animation-delay: 0.06s; }
.is-in .reveal:nth-child(3) { animation-delay: 0.12s; }
.is-in .reveal:nth-child(4) { animation-delay: 0.18s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .curve-draw { stroke-dashoffset: 0; }
  .flowdash { animation: none; }
}