/* ====== Tokens ====== */
:root {
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans",
               sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --fs-xxl: clamp(2.2rem, 1.2rem + 2.5vw, 4rem);
  --fs-xl:  clamp(1.6rem, 1.05rem + 1.5vw, 2.4rem);
  --fs-lg:  clamp(1.25rem, 1.0rem + 0.6vw, 1.6rem);
  --fs-md:  1rem;
  --fs-sm:  0.875rem;

  --ls-tight: -0.01em;
  --ls-wide:  0.12em;

  --c-bg: #ffffff;
  --c-fg: #1a3a1a;     /* dark forest green */
  --c-primary: #2d5a2d; /* main green */
  --c-deep: #1e4620;   /* deep forest accent */
  --c-muted: #5a7a5a;  /* muted green-gray */
  --c-border: #d4e5d4;
  --c-focus: #2d5a2d;
  --c-overlay: rgba(26,58,26,.55);

  --sp-0: 0;
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-12: 3rem;
  --sp-16: 4rem;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;

  --dur-1: 120ms;
  --dur-2: 200ms;
  --ease: cubic-bezier(.2,.6,.2,1);

  --chart-ok: var(--c-primary);
  --chart-high:#c2413a;             /* red for "above" */
  --chart-low:#e5e7eb;              /* gray for "below" */
  --chart-track:#f1f5f9;            /* subtle base ring */

  --app-ar: 1080/2103;
}

/* ====== Base ====== */
html { color: var(--c-fg); background: var(--c-bg); scroll-behavior: smooth; }
section[id] { scroll-margin-top: 80px; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  margin: 0;
}
*,:before,:after { box-sizing: border-box; }
img, picture, video, canvas { display:block; max-width:100%; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: 2px;
}
h1,h2,h3,h4 { font-weight:600; line-height:1.2; letter-spacing: var(--ls-tight); margin: 0 0 var(--sp-4); }
h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 var(--sp-3); }
ul { margin: var(--sp-2) 0; padding-left: 1.2rem; }
ul li { margin-top: 0.25rem; }

/* ====== Utilities ====== */
.container { width: min(1100px, 92vw); margin: 0 auto; }
.u-flex { display:flex; gap: var(--sp-4); }
.u-wrap { flex-wrap: wrap; }
.u-col { display:flex; flex-direction:column; gap:var(--sp-3); }
.u-grid { display:grid; gap: var(--sp-8); }
.u-grid-3 { grid-template-columns: repeat(1, minmax(0,1fr)); }
@media (min-width: 900px){ .u-grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); } }
.mt-0{margin-top:0}.mt-4{margin-top:var(--sp-4)}.mt-6{margin-top:var(--sp-6)}.mt-8{margin-top:var(--sp-8)}
.mb-0{margin-bottom:0}.mb-8{margin-bottom:var(--sp-8)}
.px-4{padding-inline:var(--sp-4)}.py-4{padding-block:var(--sp-4)}.py-8{padding-block:var(--sp-8)}
.text-muted{ color: var(--c-muted); }
.text-deep{ color: var(--c-deep); }
.text-center{ text-align:center; }
.upper{ text-transform: uppercase; letter-spacing: var(--ls-wide); font-size: var(--fs-sm); }
.section-label { text-transform: uppercase; letter-spacing: var(--ls-wide); font-size: var(--fs-sm); }

/* ====== Buttons ====== */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.75rem 1.25rem; border-radius: var(--r-md); border:1px solid var(--c-primary);
  background: var(--c-primary); color: var(--c-bg); font-weight:600; letter-spacing:.02em;
  font-size: var(--fs-sm);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.btn:hover {
  transform: translateY(-1px);
  background: var(--c-deep);
  box-shadow: 0 4px 12px rgba(45,90,45,.25);
  text-decoration: none;
}
.btn.outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn.outline:hover {
  background: var(--c-primary);
  color: var(--c-bg);
}
/* Inverse variant for dark/photo backgrounds */
.btn.inverse{
  background:#ffffff;
  color: var(--c-primary);
  border-color:#ffffff;
}
.btn.inverse:hover{
  background:#f6fff6;
  box-shadow:0 6px 18px rgba(0,0,0,.18);
}

/* ====== Cards ====== */
.card {
  background:#fff; border:1px solid var(--c-border); border-radius: var(--r-md);
  box-shadow: 0 4px 16px rgba(45, 90, 45, .04);
  overflow:hidden; transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,90,45,.12);
}

/* ====== Header ====== */
header {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-border);
  background: #ffffff;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight:700;
  letter-spacing:.02em;
  color: var(--c-primary);
  font-size: 1.125rem;
  flex-shrink: 0;
}
.brand img {
  height: 36px;
  width: auto;
  display: block;
}
.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.header-link {
  font-size: var(--fs-sm);
  color: var(--c-muted);
}
nav { display:flex; gap: 1.25rem; align-items:center; }
nav a {
  display:inline-block;
  padding:.5rem .75rem;
  border-radius: var(--r-sm);
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
nav a:hover { color: var(--c-primary); text-decoration: none; background: #f3faf3; }
.cta { margin-left: auto; }

/* ====== Steps ====== */
.step { padding: var(--sp-4); }
.step h3 { margin-top: var(--sp-2); }

/* ====== Stats ====== */
.stats { display:grid; grid-template-columns: repeat(1, minmax(0,1fr)); gap: var(--sp-4); }
@media (min-width: 900px){ .stats { grid-template-columns: repeat(3, minmax(0,1fr)); } }
.stat {
  text-align:center;
  padding: var(--sp-8) var(--sp-4);
  border:1px solid var(--c-border);
  border-radius: var(--r-md);
  background: linear-gradient(to bottom, #ffffff, #f8fdf8);
}
.stat h3 { color: var(--c-primary); }

/* ====== Case Study ====== */
.case { display:grid; gap: var(--sp-6); align-items:center; }
@media (min-width: 900px){ .case { grid-template-columns: 1fr 1fr; align-items: start; } }
.map {
  margin: 0;
  border-radius: var(--r-md);
  overflow:hidden;
  border: 1px solid var(--c-border);
  box-shadow: 0 4px 16px rgba(45, 90, 45, .08);
}
.map img { width:100%; height:auto; display:block; }
.map figcaption {
  background: #f9faf9;
  border-top: 1px solid var(--c-border);
  font-size: var(--fs-sm);
}

/* Case Study Cards */
.case-study-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.case-study-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,90,45,.12);
}
.case-study-preview {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}
.case-study-iframe {
  width: 100%;
  height: 280px;
  border: none;
  display: block;
  pointer-events: none;
}
.case-study-card:hover .case-study-iframe {
  pointer-events: auto;
}
.case-study-content {
  padding: var(--sp-4);
}
.case-study-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}
.case-study-desc {
  color: var(--c-muted);
  margin-bottom: var(--sp-3);
  line-height: 1.6;
}
.case-study-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-primary);
  font-weight: 600;
  transition: gap var(--dur-1) var(--ease);
}
.case-study-link:hover {
  gap: 0.75rem;
  color: var(--c-deep);
}

/* ====== Inputs ====== */
.input {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--c-fg);
  font-family: inherit;
  font-size: var(--fs-md);
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.input:focus {
  border-color: var(--c-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(45,90,45,.1);
}
.input::placeholder { color: var(--c-muted); opacity: 0.7; }


/* Left-aligned titles, as requested */
.showcase-title,
.t-title { text-align:left; }

.showcase-title{ font-weight:600; color:var(--c-primary); }

/* Thumbs (tabs) */
.thumbs{ display:grid; gap: var(--sp-3); }
.thumb{
  display:flex; align-items:center; gap: var(--sp-3);
  padding:.5rem; border:1px solid var(--c-border); border-radius: var(--r-md);
  background:#fff; cursor:pointer; transition: box-shadow var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.thumb:hover{ box-shadow:0 4px 14px rgba(45,90,45,.10); }
.thumb[aria-selected="true"]{ border-color:var(--c-primary); box-shadow:0 0 0 3px rgba(45,90,45,.12); }
.thumb img{ width:72px;height:54px;object-fit:cover;border-radius:8px; }
.thumb .t-meta{ display:flex; flex-direction:column; gap:.15rem; }
.t-title{ font-weight:600; color:var(--c-primary); font-size:.975rem; }
.t-desc{ color:var(--c-muted); font-size:.8rem; }

@media (max-width: 900px){ .showcase-viewport{ width:100%; } }

/* Lightbox */
.lightbox{ border:none; padding:0; max-width:92vw; max-height:90vh; }
.lightbox::backdrop{ background:rgba(0,0,0,.6); }
.lightbox img{ width:100%; height:auto; max-height:85vh; object-fit:contain; display:block; }
.lightbox .lb-bar{
  display:flex; justify-content:space-between; align-items:center;
  padding:.5rem .75rem; background:#fff; border-bottom:1px solid var(--c-border);
}
.lb-close{ background:transparent; border:1px solid var(--c-border); border-radius:var(--r-sm); padding:.35rem .6rem; cursor:pointer; }

/* ====== Footer ====== */
footer { margin-top: var(--sp-16); padding: var(--sp-12) 0; border-top: 1px solid var(--c-border); }
footer .links { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
footer .text-muted { color: var(--c-muted); }

/* ====== Store Card ====== */
.store-card {
  display:flex; flex-direction:column; gap: var(--sp-3);
  align-items:flex-start; padding: var(--sp-4);
}
.store-card p { margin:0; }
.store-badge {
  display: inline-block;
  transition: transform var(--dur-1) var(--ease);
}
.store-badge:hover {
  transform: scale(1.03);
  text-decoration: none;
}
.store-badge img { height: 56px; width: auto; display: block; }
@media (max-width: 900px){ .store-badge img { height: 48px; } }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ====== Mini dashboard & micro charts (landing) ====== */
.kpi-panel-grid{
  display:grid; gap: var(--sp-4); grid-template-columns: repeat(1, minmax(0,1fr));
}
@media (min-width:900px){ .kpi-panel-grid{ grid-template-columns: repeat(4, 1fr); } }

.kpi-mini{ padding: var(--sp-4); display:flex; flex-direction:column; align-items:center; gap:.5rem; }
.k-head{ width:100%; text-transform:uppercase; letter-spacing: var(--ls-wide); color:var(--c-muted); font-size:.8rem; }
.k-title{ font-weight:600; }

.donut{ position:relative; width:120px; height:120px; }
@media (max-width:480px){ .donut{ width:96px; height:96px; } }
.donut svg{ width:100%; height:100%; transform: rotate(-90deg); }
.donut .center{
  position:absolute; inset:0; display:grid; place-items:center;
  font-weight:700; font-size:1.125rem; color:var(--c-fg);
}
.donut .center small{ display:block; font-weight:600; font-size:.7rem; color:var(--c-muted); letter-spacing:.02em; margin-top:.15rem; }

.legend{ display:flex; gap:.75rem; justify-content:center; align-items:center; flex-wrap:wrap; font-size:.8rem; color:var(--c-muted); }
.legend i{ display:inline-block; width:.75rem; height:.75rem; border-radius:50%; vertical-align:middle; margin-right:.35rem; }

.kpi-inline{ display:flex; align-items:center; gap:.5rem; }
.kpi-inline .arrow{ font-size:1.25rem; margin:0 .15rem; }
.kpi-val{ font-size:1.6rem; font-weight:700; line-height:1; }
.kpi-sub{ color:var(--c-muted); font-size:.85rem; }
.badge-chip{ display:inline-flex; align-items:center; gap:.35rem; padding:.15rem .45rem; border-radius:999px; border:1px solid var(--c-border); background:#fff; font-size:.8rem; }

/* Savings bars */
.savings-card{ padding: var(--sp-4); }
.savings-bars{ display:grid; gap:.75rem; width:100%; }
.s-bar{ display:grid; grid-template-columns: 1fr 4fr auto; gap:.75rem; align-items:center; }
.s-bar label{ color:var(--c-muted); font-size:.9rem; }
.s-bar .track{ height:.6rem; background:var(--chart-track); border-radius:999px; overflow:hidden; }
.s-bar .fill{ height:100%; width:0; background:var(--c-primary); }

/* Gauges for #potenzial */
.gauges{ display:grid; gap: var(--sp-4); grid-template-columns: repeat(1, minmax(0,1fr)); }
@media (min-width:900px){ .gauges{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
.gauge{ padding: var(--sp-4); text-align:center; }
.gauge .donut{ width:110px; height:110px; margin-inline:auto; }

/* Enter animations (respect reduced motion) */
[data-animate="in"]{ opacity:0; transform: translateY(6px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-animate="in"].is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .s-bar .fill{ transition:none !important; }
  [data-animate="in"]{ transition:none !important; }
}

/* ====== Neue Visualisierung für #potenzial ====== */
.viz-card {
  /* Die .step-Klasse gibt bereits padding, also ist hier nicht viel nötig */
  display: flex;
  flex-direction: column;
}

.viz-comparison {
  width: 100%;
  min-height: 150px; /* Feste Höhe für einheitliches Layout */
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-2);
  margin-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(to bottom, #ffffff, #fbfefb);
}

.viz-card h3 {
  margin-bottom: var(--sp-2); /* Weniger Abstand zum Visual */
}
.viz-card p {
  margin-top: auto; /* Drückt die Beschreibung nach unten, falls Karten ungleich hoch sind */
}

/* 1. Fruchtgröße (Icons & Animation) */
.viz-size {
  align-items: flex-end;
  gap: var(--sp-6);
}
.viz-size .viz-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}
.viz-size .viz-item label {
  font-size: var(--fs-sm);
  color: var(--c-muted);
  text-align: center;
}
.viz-size .viz-item strong {
  display: block;
  color: var(--c-primary);
}

.viz-icon-apple {
  width: 60px;
  height: auto;
}
.viz-icon-apple path {
  fill: var(--c-muted);
}

.viz-icon-apple.icon-new {
  width: 75px;
  /* Animations-Startzustand (gleiche Größe & Farbe wie Standard) */
  transform: scale(0.8); /* 60px / 75px = 0.8 */
  transition: transform .6s var(--ease) .2s;
}
.viz-icon-apple.icon-new path {
  fill: var(--c-muted);
  transition: fill .6s var(--ease) .2s;
}

.metric-plus {
  /* Animations-Startzustand (versteckt) */
  opacity: 0;
  transform: translateY(3px);
  transition: opacity .5s var(--ease) .6s, transform .5s var(--ease) .6s;
}

/* Animations-Endzustand (wird durch JS-Observer ausgelöst) */
[data-animate="in"].is-in .viz-icon-apple.icon-new {
  transform: scale(1); /* Wächst auf Endgröße */
}
[data-animate="in"].is-in .viz-icon-apple.icon-new path {
  fill: var(--c-primary); /* Ändert Farbe */
}
[data-animate="in"].is-in .metric-plus {
  opacity: 1;
  transform: translateY(0);
  animation: pulse-metric 1.8s var(--ease) 1.2s infinite;
}

/* Keyframe-Animation für das "+3mm"-Label (der extra "Pep") */
@keyframes pulse-metric {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

/* 2. Ertragsstabilität (Balken) */
.viz-bars {
  gap: var(--sp-6);
  align-items: flex-end;
  width: 100%;
  justify-content: space-evenly;
}
.viz-bars .bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}
.viz-bars .bar-group label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-muted);
}
.viz-bars .bar-group:last-child label {
  color: var(--c-primary);
}
.viz-bars .bars {
  display: flex;
  gap: .5rem;
  height: 80px; /* Feste Höhe für den Graphen */
  align-items: flex-end;
}
.viz-bars .bar {
  width: 20px;
  background: var(--c-muted);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  height: var(--h, 50%);
  transition: height .6s var(--ease);
  position: relative;
}
.viz-bars .bar-group:last-child .bar {
  background: var(--c-primary);
}
.viz-bars .bar span { /* Jahr-Label (J1, J2, J3) */
  position: absolute;
  bottom: -1.2rem;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 0.7rem;
  color: var(--c-muted);
}

/* 3. Qualität (Verteilung) */
.viz-dist {
  flex-direction: column;
  gap: var(--sp-2);
  min-height: 150px; /* Override */
  width: 100%;
}
.viz-dist svg {
  width: 100%;
  height: 80px; /* Feste Höhe für SVG */
  display: block;
  overflow: visible;
}
.viz-dist .dist-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: var(--fs-sm);
  padding: 0 var(--sp-1);
}
.viz-dist .label-std {
  color: var(--c-muted);
}
.viz-dist .label-new {
  color: var(--c-primary);
  font-weight: 600;
}
/* SVG-Pfade und Formen (im HTML definiert) */
.viz-dist rect {
  fill: rgba(45, 90, 45, 0.08);
}
.viz-dist line {
  stroke-dasharray: 2 2;
  stroke: var(--c-primary);
  opacity: 0.6;
}

/* ====== Simulator ====== */
.sim-card{ padding:var(--sp-4); }
.sim-grid{ display:grid; gap:var(--sp-6); grid-template-columns:1.1fr .9fr; }
@media (max-width:900px){ .sim-grid{ grid-template-columns:1fr; } }

.sim-controls{ display:grid; gap:var(--sp-4); }
.sim-row{ display:grid; gap:.5rem; position:relative; }
.sim-label{ display:flex; justify-content:space-between; align-items:center; font-size:.9rem; color:var(--c-muted); }
.sim-pct{ font-variant-numeric: tabular-nums; font-weight:600; color:var(--c-primary); }

.sim-bar{
  position: relative;
  height: 2.2rem; /* tall enough for thumbs */
  display: flex;
  align-items: center;
}

/* The colored distribution segments */
.sim-bar-bg {
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  border-radius: 999px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  overflow: hidden;
}
.sim-bar-bg .seg{ position:absolute; top:0; bottom:0; height:100%; }
.sim-bar-bg .low{ left:0; background:var(--chart-low); }
.sim-bar-bg .opt{ background:var(--chart-ok); }
.sim-bar-bg .high{ right:0; background:var(--chart-high); }

.sim-inputs{ display:grid; grid-template-columns: 1fr auto; gap:.5rem .75rem; align-items:center; }
.sim-inputs input[type="range"]{ width:100%; }
.sim-inputs input[type="number"]{
  width:84px; padding:.5rem .6rem; border:1px solid var(--c-border); border-radius:var(--r-sm);
}

/* Dual-range slider overlaid on distribution bar */
.dual-range-on-bar {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  pointer-events: none; /* let individual inputs handle events */
}

/* Each range spans full width and sits on top of the bar */
.dual-range-on-bar .dual-range-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  background: transparent;
  margin: 0;
  pointer-events: auto;
}

/* Remove default track (we already have sim-bar-bg) */
.dual-range-on-bar .dual-range-thumb::-webkit-slider-runnable-track {
  height: 4px;
  background: transparent;
}
.dual-range-on-bar .dual-range-thumb::-moz-range-track {
  height: 4px;
  background: transparent;
}

/* Thumb styling */
.dual-range-on-bar .dual-range-thumb::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(15,23,42,.4);
  margin-top: -6px;  /* center on 4px track */
  cursor: pointer;
}
.dual-range-on-bar .dual-range-thumb::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(15,23,42,.4);
  cursor: pointer;
}

/* Color-code the thumbs */
.dual-range-thumb-left::-webkit-slider-thumb,
.dual-range-thumb-left::-moz-range-thumb {
  background: var(--chart-low);
}

.dual-range-thumb-right::-webkit-slider-thumb,
.dual-range-thumb-right::-moz-range-thumb {
  background: var(--chart-high);
}

/* Z-index layering so thumbs don't hide each other */
.dual-range-thumb-left  { z-index: 2; }
.dual-range-thumb-right { z-index: 3; }

.sim-presets{ display:flex; flex-wrap:wrap; gap:.5rem; }
.sim-presets .btn{ padding:.05rem .7rem; font-weight:600; }

.sim-results{ display:grid; gap:var(--sp-4); }
.sim-panels{ display:grid; gap:var(--sp-4); grid-template-columns: repeat(2,minmax(0,1fr)); }
@media (max-width:560px){ .sim-panels{ grid-template-columns:1fr; } }

.sim-donut{ position:relative; width:140px; height:140px; }
.sim-donut svg{ width:100%; height:100%; transform: rotate(-90deg); }
.sim-donut .center{
  position:absolute; inset:0; display:grid; place-items:center; text-align:center;
  font-weight:700; line-height:1.1;
}
.sim-donut.over .center{ color: var(--chart-high); } /* Überlast-Warnung */
.sim-kpi{ display:grid; gap:.35rem; }
.sim-kpi .big{ font-size:1.5rem; font-weight:700; }
.sim-kpi small{ color:var(--c-muted); }

.s-bar.inline{ grid-template-columns: 1fr 5fr auto; }
.s-bar.positive .fill{ background:var(--chart-high); }    /* increase = red (bad) */
.s-bar.negative .fill{ background:var(--c-primary); }     /* decrease = green (good) */
.s-bar.positive .kpi-sub{ color:var(--chart-high); }
.s-bar.negative .kpi-sub{ color:var(--c-primary); }

/* ====== Responsive Navigation ====== */

/* 1. Hamburger Toggle Button (Mobile Only) */
.mobile-nav-toggle {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: none;
  padding: var(--sp-2);
  cursor: pointer;
  z-index: 1001; /* Above panel, below overlay */
}
.mobile-nav-toggle .hamburger-bar {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--c-fg);
  border-radius: 2px;
  margin: 5px 0;
  transition: transform var(--dur-2) var(--ease),
              opacity var(--dur-2) var(--ease);
}

/* 2. Desktop Navigation Layout (Default) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-width: 0;
}
.nav-menu > nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.nav-menu > .cta {
  margin-left: auto;
}

/* 3. Mobile Navigation Styles (max-width: 899px) */
@media (max-width: 899px) {
  /* Show the hamburger button */
  .mobile-nav-toggle {
    display: block;
  }

  /* Reposition the header container items */
  header .container {
    flex-wrap: nowrap;
    justify-content: space-between;
  }
  .brand {
    margin-right: auto;
  }

  /* --- The Mobile Panel --- */
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--c-bg);
    padding: var(--sp-16) var(--sp-8) var(--sp-8);

    /* Layout for items inside the panel */
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-8);
    margin-left: 0;

    /* Hide/show animation */
    transform: translateX(100%);
    transition: transform var(--dur-2) var(--ease);
    box-shadow: -4px 0 20px rgba(26, 58, 26, 0.15);
    z-index: 1000;
    overflow-y: auto;
  }

  /* --- Panel Content Styling --- */
  .nav-menu > nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
    width: 100%;
  }
  .nav-menu > nav a {
    font-size: var(--fs-lg);
    padding: var(--sp-1) 0;
  }
  .nav-menu > .lang-switcher {
    margin-left: 0;
    width: 100%;
  }
  .nav-menu > .lang-switcher .lang-btn {
    width: 100%;
    justify-content: space-between;
  }
  .nav-menu > .cta {
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--sp-4);
  }

  /* 4. "Open" State (Toggled by JavaScript) */

  /* Dark overlay for the page content */
  body.nav-menu-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--c-overlay);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--dur-2) var(--ease);
  }
  body.nav-menu-open {
    overflow: hidden;
  }
  body.nav-menu-open::before {
    opacity: 1;
  }

  /* Show the panel */
  body.nav-menu-open .nav-menu {
    transform: translateX(0);
  }

  /* Animate hamburger to an 'X' */
  body.nav-menu-open .mobile-nav-toggle {
    z-index: 1002;
  }
  body.nav-menu-open .hamburger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  body.nav-menu-open .hamburger-bar:nth-child(2) {
    opacity: 0;
  }
  body.nav-menu-open .hamburger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ====== Language Switcher ====== */
.lang-switcher {
  position: relative;
  display: inline-block;
  margin-left: var(--sp-4);
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem .75rem;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-fg);
  letter-spacing: .05em;
  transition: background var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.lang-btn:hover {
  background: #f3faf3;
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.lang-current {
  text-transform: uppercase;
}
.lang-icon {
  width: 12px;
  height: 12px;
  transition: transform var(--dur-1) var(--ease);
}
.lang-btn[aria-expanded="true"] .lang-icon {
  transform: rotate(180deg);
}
.lang-dropdown {
  position: absolute;
  top: calc(100% + .25rem);
  right: 0;
  min-width: 140px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: 0 4px 12px rgba(45,90,45,.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease), visibility var(--dur-2);
  z-index: 100;
}
.lang-dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem .75rem;
  color: var(--c-fg);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
  border-bottom: 1px solid var(--c-border);
}
.lang-option:last-child {
  border-bottom: none;
}
.lang-option:hover {
  background: #f3faf3;
  color: var(--c-primary);
  text-decoration: none;
}
.lang-option.is-active {
  background: #f3faf3;
  color: var(--c-primary);
  font-weight: 600;
}
.lang-option.is-active::before {
  content: "✓";
  margin-right: .25rem;
  color: var(--c-primary);
}
@media (max-width: 900px) {
  .lang-switcher {
    margin-left: 0;
    margin-top: var(--sp-2);
  }
}