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

:root {
  --bg-base: #000000;
  --bg-card: #0a0a0a;
  --bg-elev: #141414;
  --border: #1f1f1f;
  --border-strong: #2a2a2a;
  --ink: #ffffff;
  --ink-secondary: #c9c9c9;
  --ink-muted: #a8a8a8;
  --accent: #bfff00;
  --accent-ink: #000000;

  --red: #ff5b52;
  --orange: #ff9a3d;
  --amber: #f4c542;
  --green: #bfff00;

  --tracking: 0.04em;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Signature Stripe */
.m-stripe {
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent) 33%,
    #ffffff 33%,
    #ffffff 66%,
    #2a2a2a 66%,
    #2a2a2a 100%
  );
  height: 3px;
  width: 100%;
}

/* Header */
.hero {
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 24px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--accent-ink);
  font-size: 15px;
  letter-spacing: var(--tracking);
}
.brand-title {
  font-weight: 900;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  line-height: 1;
}
.brand-sub {
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin-top: 5px;
}

.hero-headline {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 24px 8px;
}
.hero-eyebrow {
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin-bottom: 12px;
}
.hero-headline h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
}
.hero-headline h1 .accent { color: var(--accent); }
.hero-headline p {
  margin: 14px 0 0;
  color: var(--ink-secondary);
  font-size: 15px;
  line-height: 1.55;
  max-width: 620px;
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* Card base */
.m-card {
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 200ms ease;
}
.m-card:hover { border-color: var(--border-strong); }

/* Label + Input */
.m-label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  color: var(--ink-muted);
}
.m-input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--ink);
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border-radius: 0;
  transition: border-color 150ms ease;
}
.m-input:focus {
  outline: none;
  border-color: var(--accent);
}
.m-input::placeholder { color: #555; }

.tool-input-card {
  padding: 22px 24px;
  margin-bottom: 28px;
}

/* Section eyebrow */
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  font-weight: 700;
}
.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

/* Criteria list */
.criteria {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.criterion {
  padding: 20px 22px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.criterion .badge {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: var(--tracking);
}
.criterion .body { flex: 1; min-width: 0; }
.criterion .head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}
.criterion h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  color: var(--ink);
}
.criterion .desc {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--ink-muted);
}
.criterion .score {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
  line-height: 1;
}

/* Slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border-strong);
  outline: none;
  margin: 6px 0 8px;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  cursor: pointer;
  border: none;
  border-radius: 0;
  box-shadow: 0 0 0 4px rgba(191, 255, 0, 0.15);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent);
  cursor: pointer;
  border: none;
  border-radius: 0;
  box-shadow: 0 0 0 4px rgba(191, 255, 0, 0.15);
}
.scale {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* Sum card */
.sum-card {
  margin: 28px 0 18px;
  padding: 22px 26px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.sum-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}
.sum-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  color: var(--ink-muted);
  font-weight: 700;
}
.sum-value {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1;
}
.sum-max {
  font-size: 18px;
  color: var(--ink-muted);
  font-weight: 500;
}

/* Buttons */
.actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 150ms ease;
  border-radius: 0;
  flex: 1;
  min-width: 160px;
}
.m-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.m-btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.m-btn-primary:hover {
  background: #d5ff33;
  border-color: #d5ff33;
  color: var(--accent-ink);
}

/* Result */
.result-card {
  padding: 28px;
  margin-top: 28px;
  border-color: var(--border-strong);
  position: relative;
}
.result-card.hidden { display: none; }
.result-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 33%, #ffffff 33%, #ffffff 66%, #2a2a2a 66%, #2a2a2a 100%);
}
.result-eyebrow {
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin-bottom: 8px;
  font-weight: 700;
}
.result-tool {
  font-size: 20px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin-bottom: 22px;
  color: var(--ink);
}
.result-tool #resultTool { color: var(--accent); }

.result-verdict {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.result-score {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.result-score-max {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--ink-muted);
}
.result-badge {
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  border: 1px solid;
}
.result-badge.red    { color: var(--red);    border-color: var(--red);    background: rgba(255,91,82,0.08); }
.result-badge.orange { color: var(--orange); border-color: var(--orange); background: rgba(255,154,61,0.08); }
.result-badge.amber  { color: var(--amber);  border-color: var(--amber);  background: rgba(244,197,66,0.08); }
.result-badge.green  { color: var(--accent); border-color: var(--accent); background: rgba(191,255,0,0.08); }

.result-headline {
  font-size: 22px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin: 0 0 10px;
  line-height: 1.15;
}
.result-text {
  color: var(--ink-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 24px;
}

.result-breakdown {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 22px;
}
.bd {
  background: var(--bg-card);
  padding: 14px 6px;
  text-align: center;
}
.bd-label {
  font-size: 9px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  margin-bottom: 6px;
  font-weight: 700;
}
.bd-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.result-ampel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.ampel-item {
  padding: 12px 10px;
  background: var(--bg-card);
}
.ampel-item .range {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}
.ampel-item .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  color: var(--ink-muted);
  font-weight: 700;
}
.ampel-item.red    .range { color: var(--red); }
.ampel-item.orange .range { color: var(--orange); }
.ampel-item.amber  .range { color: var(--amber); }
.ampel-item.green  .range { color: var(--accent); }
.ampel-item.active {
  outline: 1px solid;
  outline-offset: -1px;
  background: #141414;
}
.ampel-item.active .label { color: var(--ink); }
.ampel-item.red.active    { outline-color: var(--red); }
.ampel-item.orange.active { outline-color: var(--orange); }
.ampel-item.amber.active  { outline-color: var(--amber); }
.ampel-item.green.active  { outline-color: var(--accent); }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--ink-muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: var(--tracking);
  font-weight: 700;
}

/* Mobile */
@media (max-width: 560px) {
  .hero-inner { padding: 24px 18px 20px; }
  .hero-headline { padding: 22px 18px 4px; }
  main { padding: 24px 18px 40px; }
  .criterion { padding: 18px 16px; gap: 12px; }
  .criterion .badge { flex-basis: 28px; width: 28px; height: 28px; font-size: 11px; }
  .sum-card { padding: 18px 20px; }
  .sum-value { font-size: 28px; }
  .result-card { padding: 22px 18px; }
  .result-score { font-size: 42px; }
  .result-breakdown { grid-template-columns: repeat(5, 1fr); }
  .bd-value { font-size: 16px; }
  .result-ampel { grid-template-columns: repeat(2, 1fr); }
  .m-btn { min-width: 100%; }
}