@font-face {
  font-family: "Source Serif 4 Display";
  src: url("fonts/SourceSerif4Display-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4 Display";
  src: url("fonts/SourceSerif4Display-Semibold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/IBMPlexSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/IBMPlexSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/IBMPlexSans-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #142237;
  --muted: #3d5168;
  --paper: #f3f6f7;
  --sheet: #fbfcfc;
  --line: #c5d0d4;
  --teal: #087f8c;
  --teal-ink: #043f46;
  --reject: #8c3a12;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

* { box-sizing: border-box; }
body { margin: 0; }
h1, h2, h3 { font-family: "Source Serif 4 Display", Georgia, serif; font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); line-height: 1.05; margin: 0.2rem 0 1rem; max-width: 18ch; }
h2 { font-size: 1.7rem; margin: 0 0 0.8rem; }
p { margin: 0 0 0.9rem; }
a { color: var(--teal-ink); }

.mast, main { width: min(920px, calc(100% - 2rem)); margin: 0 auto; }
.mast { padding: 2.5rem 0 1.2rem; border-bottom: 1px solid var(--ink); }
.kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.lede { font-size: 1.15rem; max-width: 62ch; }

main section {
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
}
.verdict {
  background: var(--sheet);
  border-left: 4px solid var(--teal);
  padding: 0.9rem 1rem;
  max-width: 68ch;
}

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 1.2rem 0 0;
  border-top: 1px solid var(--ink);
}
.facts div { padding: 0.7rem 0.8rem 0.7rem 0; border-bottom: 1px solid var(--line); }
.facts div:last-child:nth-child(odd) { grid-column: 1 / -1; }
.facts dt {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.facts dd { margin: 0.15rem 0 0; }

.switch { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.switch button {
  font: 500 0.95rem/1 "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  min-height: 44px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}
.switch button[aria-selected="true"],
.switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}
#panel-weg {
  min-height: 9rem;
  max-width: 68ch;
}
#panel-weg h3 { margin: 0 0 0.4rem; font-size: 1.45rem; }
.tag {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag.reject { color: var(--reject); }
.tag.keep { color: var(--teal-ink); }

#pain-list { margin: 0; padding: 0; list-style: none; }
#pain-list li {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.6rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
#pain-list li:last-child { border-bottom: 1px solid var(--line); }
.num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--muted);
}
.meta { color: var(--muted); font-size: 0.92rem; }

.funnel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem 1rem;
}
.funnel label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.92rem;
}
.funnel input {
  font: 500 1rem/1 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--ink);
  background: var(--sheet);
  border: 0;
  border-bottom: 1px solid var(--ink);
  min-height: 44px;
  padding: 0.3rem 0;
}
#funnel-out {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.95rem;
  white-space: pre-line;
  background: var(--ink);
  color: #f3f6f7;
  padding: 1rem;
  margin-top: 1rem;
}

@media (max-width: 700px) {
  .facts, .funnel { grid-template-columns: 1fr; }
  h1 { max-width: none; }
  .mast { padding-top: 1.4rem; }
}

#pain-list, #panel-weg { overflow-wrap: anywhere; }
.entwuerfe { font-size: 0.9rem; margin: 0 0 1rem; padding: 0.5rem 0.75rem; background: var(--sheet); border-left: 4px solid var(--teal); }