/* Amplendo -- Gestaltung.
   Bewusst ohne Rahmenwerk: die Seite ist klein, laedt dadurch sofort und
   bleibt in fuenf Jahren noch wartbar. */

:root {
  --gruen: #2d6a3f;
  --gruen-hell: #7fb069;
  --gruen-dunkel: #1e4a2b;
  --rasen: #245536;
  --akzent: #d97706;
  --rot: #c1272d;

  --bg: #ffffff;
  --bg-alt: #f5f7f5;
  --text: #16211a;
  --text-leise: #5b6b60;
  --rand: #dfe5e0;
  --karte: #ffffff;

  --breite: 1080px;
  --radius: 14px;
  --schrift: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10150f;
    --bg-alt: #171d18;
    --text: #e8efe9;
    --text-leise: #9db0a3;
    --rand: #2a332c;
    --karte: #171d18;
    --gruen-hell: #8fc47a;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--schrift);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--breite);
  margin: 0 auto;
  padding: 0 22px;
}

/* --- Kopfzeile ----------------------------------------------------------- */

header.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rand);
}

header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 16px;
}

.marke {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
  font-size: 1.02rem;
}

.marke .punkt {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--gruen);
  display: grid; place-items: center;
  color: #fff; font-size: 14px;
  flex: 0 0 auto;
}

nav.haupt {
  display: flex;
  align-items: center;
  gap: 22px;
}

nav.haupt a {
  color: var(--text-leise);
  text-decoration: none;
  font-size: 0.93rem;
}
nav.haupt a:hover { color: var(--text); }

@media (max-width: 760px) {
  nav.haupt a.verbergen-klein { display: none; }
}

/* --- Schaltflaechen ------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 560;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, border-color .15s, opacity .15s;
}

.btn-voll {
  background: var(--gruen);
  color: #fff;
}
.btn-voll:hover { background: var(--gruen-dunkel); }

.btn-rand {
  background: transparent;
  color: var(--text);
  border-color: var(--rand);
}
.btn-rand:hover { border-color: var(--gruen); }

.btn:disabled { opacity: .55; cursor: default; }

.btn-breit { width: 100%; }

/* --- Kopfbereich --------------------------------------------------------- */

.held {
  padding: 84px 0 70px;
  background:
    radial-gradient(1100px 380px at 50% -80px,
      color-mix(in srgb, var(--gruen) 16%, transparent), transparent 70%);
}

.held h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  max-width: 17ch;
}

.held p.lead {
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  color: var(--text-leise);
  max-width: 62ch;
  margin: 0 0 30px;
}

.held .knoepfe { display: flex; gap: 12px; flex-wrap: wrap; }

.marker {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--gruen);
  background: color-mix(in srgb, var(--gruen) 12%, transparent);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

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

section { padding: 68px 0; }
section.alt { background: var(--bg-alt); border-block: 1px solid var(--rand); }

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

h3 { font-size: 1.06rem; margin: 0 0 6px; letter-spacing: -0.01em; }

section > .wrap > p.intro {
  color: var(--text-leise);
  max-width: 66ch;
  margin: 0 0 34px;
}

/* --- Raster -------------------------------------------------------------- */

.raster {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
}

.karte {
  background: var(--karte);
  border: 1px solid var(--rand);
  border-radius: var(--radius);
  padding: 22px;
}

.karte p { margin: 0; color: var(--text-leise); font-size: .95rem; }

.karte .sym {
  font-size: 1.4rem;
  margin-bottom: 10px;
  display: block;
}

/* --- Zahlen -------------------------------------------------------------- */

.zahlen {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.zahl {
  background: var(--karte);
  border: 1px solid var(--rand);
  border-radius: var(--radius);
  padding: 20px;
}
.zahl b {
  display: block;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.zahl span { color: var(--text-leise); font-size: .88rem; }

/* --- Ablauf -------------------------------------------------------------- */

.schritte { display: grid; gap: 2px; }

.schritt {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rand);
  align-items: start;
}
.schritt:last-child { border-bottom: none; }

.schritt .nr {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--gruen) 14%, transparent);
  color: var(--gruen);
  display: grid; place-items: center;
  font-weight: 650; font-size: .95rem;
}
@media (prefers-color-scheme: dark) {
  .schritt .nr { color: var(--gruen-hell); }
}
.schritt p { margin: 4px 0 0; color: var(--text-leise); font-size: .95rem; }

/* --- Tabelle ------------------------------------------------------------- */

.tab-huelle { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .94rem;
  min-width: 460px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--rand);
}
th { font-weight: 600; color: var(--text-leise); font-size: .84rem;
     text-transform: uppercase; letter-spacing: .03em; }
td.zahl-re { text-align: right; font-variant-numeric: tabular-nums; }
tr.hebt td { font-weight: 650; }

/* --- Hinweis ------------------------------------------------------------- */

.hinweis {
  border-left: 3px solid var(--akzent);
  background: color-mix(in srgb, var(--akzent) 8%, transparent);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  font-size: .95rem;
}
.hinweis strong { color: var(--text); }

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

.mitte {
  min-height: calc(100vh - 62px);
  display: grid;
  place-items: center;
  padding: 40px 22px;
}

.box {
  width: 100%;
  max-width: 420px;
  background: var(--karte);
  border: 1px solid var(--rand);
  border-radius: 16px;
  padding: 34px 30px;
}

.box h1 { font-size: 1.5rem; margin: 0 0 6px; letter-spacing: -0.02em; }
.box p.unter { color: var(--text-leise); font-size: .93rem; margin: 0 0 26px; }

label {
  display: block;
  font-size: .85rem;
  font-weight: 560;
  margin: 0 0 6px;
}

input[type=text], input[type=email], input[type=password] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--rand);
  border-radius: 9px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  margin-bottom: 16px;
}
input:focus {
  outline: 2px solid color-mix(in srgb, var(--gruen) 45%, transparent);
  outline-offset: 1px;
  border-color: var(--gruen);
}

.trenner {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-leise); font-size: .82rem;
  margin: 20px 0;
}
.trenner::before, .trenner::after {
  content: ""; flex: 1; height: 1px; background: var(--rand);
}

.meldung {
  padding: 11px 14px;
  border-radius: 9px;
  font-size: .9rem;
  margin-bottom: 16px;
  display: none;
}
.meldung.zeigen { display: block; }
.meldung.fehler {
  background: color-mix(in srgb, var(--rot) 12%, transparent);
  color: var(--rot);
}
.meldung.gut {
  background: color-mix(in srgb, var(--gruen) 14%, transparent);
  color: var(--gruen);
}
@media (prefers-color-scheme: dark) {
  .meldung.gut { color: var(--gruen-hell); }
  .meldung.fehler { color: #ff8a8f; }
}

.wechsel {
  text-align: center;
  margin-top: 22px;
  font-size: .9rem;
  color: var(--text-leise);
}
.wechsel a { color: var(--gruen); }
@media (prefers-color-scheme: dark) { .wechsel a { color: var(--gruen-hell); } }

/* --- Statusanzeige ------------------------------------------------------- */

.stand {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  font-size: .86rem; font-weight: 560;
}
.stand.wartet { background: color-mix(in srgb, var(--akzent) 16%, transparent);
                color: var(--akzent); }
.stand.frei   { background: color-mix(in srgb, var(--gruen) 16%, transparent);
                color: var(--gruen); }
@media (prefers-color-scheme: dark) {
  .stand.frei { color: var(--gruen-hell); }
}

/* --- Fusszeile ----------------------------------------------------------- */

footer {
  border-top: 1px solid var(--rand);
  padding: 34px 0 46px;
  color: var(--text-leise);
  font-size: .88rem;
}
footer .wrap { display: flex; justify-content: space-between;
               gap: 18px; flex-wrap: wrap; }
footer a { color: var(--text-leise); }

a { color: var(--gruen); }
@media (prefers-color-scheme: dark) { a { color: var(--gruen-hell); } }