/* Tramfahrschule Pro – gcng.de/tramfahrschulepro/ */

:root {
  color-scheme: light dark;

  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --bg-card: #ffffff;
  --border: #e3e5e9;
  --text: #14161a;
  --text-soft: #5b6169;
  --text-faint: #878d96;
  --accent: #0a63d8;
  --accent-soft: #eaf1fd;
  --accent-text: #ffffff;
  --green: #1a7f4b;
  --green-soft: #e8f5ee;
  --amber-soft: #fff5e0;
  --amber-border: #f0b429;
  --radius: 14px;
  --radius-lg: 20px;
  --maxw: 1080px;
  --shadow: 0 1px 2px rgba(20, 22, 26, .05), 0 8px 24px rgba(20, 22, 26, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1114;
    --bg-soft: #16191d;
    --bg-card: #16191d;
    --border: #262b31;
    --text: #f0f2f5;
    --text-soft: #a8b0b9;
    --text-faint: #7c848d;
    --accent: #4d9bff;
    --accent-soft: #14243b;
    --accent-text: #08111f;
    --green: #4ade80;
    --green-soft: #12241a;
    --amber-soft: #2a2007;
    --amber-border: #b98416;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* --- Kopfzeile --- */

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 640;
  letter-spacing: -.01em;
  text-decoration: none;
  color: var(--text);
  margin-right: auto;
}

.brand svg { width: 26px; height: 26px; flex: none; }

nav.site a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 15px;
  margin-left: 20px;
}

nav.site a:hover { color: var(--text); }

.langswitch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-left: 20px;
}

.langswitch button {
  font: inherit;
  font-size: 13px;
  font-weight: 560;
  padding: 5px 11px;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}

.langswitch button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-text);
}

/* --- Hero --- */

.hero { padding: 76px 0 56px; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -.028em;
  margin: 0 0 18px;
  font-weight: 680;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.24rem);
  color: var(--text-soft);
  max-width: 62ch;
  margin: 0 0 32px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 580;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .12s ease, opacity .12s ease;
}

.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { opacity: .9; }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-soft); }

.hero-note { font-size: 14px; color: var(--text-faint); margin-top: 16px; }

/* --- Abschnitte --- */

section { padding: 60px 0; }
section.soft { background: var(--bg-soft); border-block: 1px solid var(--border); }

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin: 0 0 12px;
  font-weight: 660;
}

h3 { font-size: 1.12rem; margin: 0 0 6px; font-weight: 620; letter-spacing: -.01em; }

.section-lead { color: var(--text-soft); max-width: 62ch; margin: 0 0 36px; }

/* --- Raster --- */

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card p { margin: 0; color: var(--text-soft); font-size: 15.5px; }

.card .icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 14px;
}

.card .icon svg { width: 20px; height: 20px; }

/* --- Ablauf --- */

.steps { counter-reset: step; display: grid; gap: 4px; }

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: 0; }

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 640;
  font-size: 15px;
}

.step p { margin: 0; color: var(--text-soft); font-size: 15.5px; }

/* --- Screenshots --- */

.shots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 232px;
  gap: 18px;
  overflow-x: auto;
  padding: 4px 24px 20px;
  margin: 0 -24px;
  scroll-snap-type: x mandatory;
}

.shots img {
  width: 100%;
  height: auto;
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  scroll-snap-align: center;
  background: var(--bg-soft);
}

.shots figure { margin: 0; scroll-snap-align: center; }
.shots figcaption { font-size: 13.5px; color: var(--text-faint); margin-top: 10px; text-align: center; }

/* --- Vergleichstabelle --- */

.table-scroll { overflow-x: auto; margin: 0 -24px; padding: 0 24px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
  min-width: 460px;
}

th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--border); }
th { font-weight: 600; font-size: 14px; color: var(--text-soft); }
td.mark { text-align: center; width: 116px; }
thead th.mark { text-align: center; }
.yes { color: var(--green); font-weight: 640; }
.no { color: var(--text-faint); }

/* --- FAQ --- */

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 20px;
  margin-bottom: 10px;
  background: var(--bg-card);
}

summary {
  cursor: pointer;
  font-weight: 580;
  padding: 15px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--text-faint); font-size: 20px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0 0 16px; color: var(--text-soft); font-size: 15.5px; }

/* --- Hinweisbox --- */

.notice {
  background: var(--amber-soft);
  border-left: 3px solid var(--amber-border);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 15px;
  color: var(--text-soft);
}

.notice strong { color: var(--text); }

/* --- Rechtstexte --- */

.legal { padding: 52px 0 72px; }
.legal h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin-bottom: 8px; }
.legal .updated { color: var(--text-faint); font-size: 14.5px; margin: 0 0 40px; }
.legal h2 { font-size: 1.22rem; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--text-soft); font-size: 16px; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--accent); }
.legal address { font-style: normal; color: var(--text-soft); }

/* --- Fußzeile --- */

footer.site {
  border-top: 1px solid var(--border);
  padding: 36px 0 48px;
  font-size: 14.5px;
  color: var(--text-faint);
}

footer.site .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
footer.site a { color: var(--text-soft); text-decoration: none; }
footer.site a:hover { color: var(--text); text-decoration: underline; }
footer.site .spacer { margin-left: auto; }

@media (max-width: 620px) {
  nav.site a { margin-left: 14px; font-size: 14px; }
  .langswitch { margin-left: 12px; }
  .hero { padding: 52px 0 40px; }
  section { padding: 46px 0; }
}

/* --- Sprachumschaltung ---
   Bewusst ganz am Ende und mit `html` davor: Sonst haben diese Regeln dieselbe
   Spezifität wie Komponenten-Klassen wie `.eyebrow` und verlieren gegen sie –
   dann stehen beide Sprachen gleichzeitig auf der Seite.
   Ohne JavaScript bleibt Deutsch sichtbar. */

html [lang="en"] { display: none; }
html[data-lang="en"] [lang="de"] { display: none; }
html[data-lang="en"] [lang="en"] { display: revert; }

/* `revert` stellt den Browser-Standard her, nicht den Wert aus der Komponente.
   Für Elemente mit abweichendem display muss er ausdrücklich gesetzt werden. */
html[data-lang="en"] .eyebrow[lang="en"] { display: inline-block; }