/* Kernsatz — Akquiseseite
 *
 * Bewusst ohne externe Schriften. Google Fonts laedt beim Aufruf die IP des
 * Besuchers zu Google (LG München I, 3 O 17493/20) - das waere fuer ein
 * Produkt, das Datenschutz als Kaufgrund fuehrt, ein Widerspruch schon auf
 * der Startseite. Systemschriften sind hier kein Kompromiss, sondern Haltung.
 */

:root {
  --ink: #12141a;
  --ink-2: #3d434f;
  --ink-3: #6b7280;
  --paper: #fbfaf7;
  --paper-2: #f2efe9;
  --line: #dedad2;
  --accent: #1f5f4f;
  --accent-soft: #e6efec;
  --mark: #fdf3d3;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
           Charter, "Bitstream Charter", Cambria, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Ubuntu, Cantarell,
          "Noto Sans", "Helvetica Neue", Arial, sans-serif;

  --wrap: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceae5;
    --ink-2: #b9b5ac;
    --ink-3: #8d8880;
    --paper: #14161b;
    --paper-2: #1c1f26;
    --line: #2e323b;
    --accent: #6ec0aa;
    --accent-soft: #17302a;
    --mark: #3b3418;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wide { max-width: 92ch; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.18; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 3.6rem); margin: 0 0 .5em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.1rem); margin: 0 0 .6em; }
h3 { font-size: 1.12rem; margin: 0 0 .4em; font-family: var(--sans); font-weight: 650; }
p { margin: 0 0 1.1em; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.lede { font-size: 1.22rem; color: var(--ink-2); line-height: 1.55; }
.muted { color: var(--ink-3); font-size: .93rem; }
mark { background: var(--mark); color: inherit; padding: 0 .15em; }

/* ------------------------------------------------------------- Kopf */

header.top {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
}
header.top .wrap { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; max-width: 92ch; }
.brand { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.015em; text-decoration: none; color: var(--ink); }
.brand span { color: var(--accent); }
.top nav a { font-size: .92rem; color: var(--ink-2); text-decoration: none; margin-left: 20px; }
.top nav a:hover { color: var(--accent); }
@media (max-width: 620px) { .top nav { display: none; } }

/* ------------------------------------------------------------- Hero */

.hero { padding: clamp(56px, 11vw, 104px) 0 clamp(40px, 7vw, 72px); }
.hero .claim {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.6vw, 2rem);
  color: var(--accent); margin: 0 0 .25em; font-style: italic;
}
.hero .lede { max-width: 56ch; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 28px; }
.btn {
  display: inline-block; background: var(--accent); color: var(--paper);
  border: 1px solid var(--accent); border-radius: 8px;
  padding: 13px 24px; font: inherit; font-weight: 600; font-size: 1rem;
  text-decoration: none; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }

/* --------------------------------------------------------- Abschnitte */

section { padding: clamp(44px, 8vw, 76px) 0; border-top: 1px solid var(--line); }
section.plain { border-top: 0; }
.eyebrow {
  font-size: .8rem; letter-spacing: .11em; text-transform: uppercase;
  color: var(--ink-3); margin: 0 0 .9em; font-weight: 600;
}

.mechanik { display: grid; gap: 34px; margin-top: 34px; }
@media (min-width: 800px) { .mechanik { grid-template-columns: repeat(3, 1fr); gap: 30px; } }
.mechanik > div { border-top: 2px solid var(--accent); padding-top: 14px; }
.mechanik p { font-size: .97rem; color: var(--ink-2); margin-bottom: 0; }

/* --------------------------------------------------------- Artefakt */

.artefakt {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 12px; padding: clamp(20px, 4vw, 30px); margin-top: 26px;
}
.artefakt .kopf { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 18px; }
.artefakt .kopf b { font-family: var(--serif); font-size: 1.05rem; }
.artefakt .headline { font-family: var(--serif); font-size: 1.25rem; line-height: 1.35; margin: 0 0 20px; }
.beobachtung { margin-bottom: 18px; }
.beobachtung > p { margin: 0 0 6px; }
.beleg {
  border-left: 2px solid var(--accent); padding-left: 12px;
  font-size: .93rem; color: var(--ink-2); font-style: italic;
}
.beleg .meta { display: block; font-style: normal; font-size: .8rem; color: var(--ink-3); margin-top: 3px; }

/* ------------------------------------------------------ Datenschutz */

.dsgvo { display: grid; gap: 14px; margin-top: 24px; }
@media (min-width: 720px) { .dsgvo { grid-template-columns: 1fr 1fr; } }
.dsgvo div { background: var(--accent-soft); border-radius: 10px; padding: 16px 18px; }
.dsgvo b { display: block; margin-bottom: 3px; }
.dsgvo span { font-size: .93rem; color: var(--ink-2); }

/* ----------------------------------------------------------- Formular */

.form-karte {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 12px; padding: clamp(20px, 4vw, 32px); margin-top: 26px;
}
label { display: block; font-weight: 600; font-size: .93rem; margin: 0 0 6px; }
input[type=email], select {
  width: 100%; padding: 12px 14px; font: inherit;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
}
input[type=email]:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.feld { margin-bottom: 18px; }
.zustimmung { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--ink-2); margin-bottom: 18px; }
.zustimmung input { margin-top: 4px; flex-shrink: 0; width: 17px; height: 17px; accent-color: var(--accent); }
.hinweis { font-size: .84rem; color: var(--ink-3); margin-top: 14px; }
.status { margin-top: 14px; padding: 12px 14px; border-radius: 8px; font-size: .93rem; display: none; }
.status.ok { display: block; background: var(--accent-soft); border: 1px solid var(--accent); }
.status.fehler { display: block; background: #fdeceb; border: 1px solid #c0392b; color: #8b2018; }
@media (prefers-color-scheme: dark) { .status.fehler { background: #2b1614; color: #f0b8b2; } }

/* --------------------------------------------------------------- FAQ */

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "+ "; color: var(--accent); font-weight: 700; }
details[open] summary::before { content: "– "; }
details p { margin: 10px 0 2px; color: var(--ink-2); font-size: .97rem; }

/* ------------------------------------------------------------- Fuss */

footer { border-top: 1px solid var(--line); padding: 34px 0 60px; font-size: .9rem; color: var(--ink-3); }
footer nav a { color: var(--ink-2); text-decoration: none; margin-right: 18px; }
footer nav a:hover { color: var(--accent); text-decoration: underline; }
footer .zeile { margin-top: 14px; }
footer button.link {
  background: none; border: 0; padding: 0; font: inherit; font-size: .9rem;
  color: var(--ink-2); text-decoration: underline; cursor: pointer;
}

/* ---------------------------------------------------------- Rechtstext */

.rechtstext { padding: 48px 0 80px; }
.rechtstext h2 { font-size: 1.35rem; margin-top: 2em; }
.rechtstext h3 { margin-top: 1.6em; }
.rechtstext ul { padding-left: 1.2em; }
.rechtstext li { margin-bottom: .4em; }
.rechtstext table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: .93rem; }
.rechtstext th, .rechtstext td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.hinweisbox {
  background: var(--accent-soft); border-radius: 10px; padding: 16px 18px;
  font-size: .92rem; margin: 1.5em 0;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--paper); padding: 10px 16px; z-index: 200;
}
.skip:focus { left: 8px; top: 8px; }