/* easy-ocpp landing page. Farben aus dem Dark-Cockpit-Design der Anwendung. */
:root {
  --bg: #0b1220;
  --surface: #131c2e;
  --surface-2: #1a2337;
  --border: #1f2a41;
  --border-strong: #2a3650;
  --fg: #e8edf6;
  --fg-2: #cbd5e1;
  --muted: #8894ab;
  --brand: #22d3ee;
  --brand-2: #06b6d4;
  --ok: #34d399;
  --radius: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.wrap { max-width: 1020px; margin: 0 auto; padding: 0 1.25rem; }
section.wrap { margin: 4.5rem auto; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px;
  background: var(--brand); color: #04222b; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; top: 0; z-index: 10; }

/* ---------- Kopf ---------- */
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, .85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 5;
}
.bar { display: flex; align-items: center; gap: 1.5rem; height: 60px; }
.brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: 1.05rem; color: var(--fg);
}
.brand:hover { text-decoration: none; }
header nav.sections { display: flex; gap: 1.25rem; margin-left: auto; flex-wrap: wrap; }
header nav.sections a { color: var(--fg-2); font-size: .92rem; }

.langbar { display: flex; gap: .35rem; margin-left: 1.25rem; align-items: center; }
.langbar a {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .45rem; border-radius: 6px;
  border: 1px solid transparent; color: var(--muted);
  font-size: .76rem; font-weight: 700; letter-spacing: .04em;
}
.langbar a:hover { text-decoration: none; color: var(--fg); border-color: var(--border-strong); }
.langbar a[aria-current="true"] {
  color: var(--fg); border-color: var(--brand); background: var(--surface-2);
}
.langbar svg { display: block; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .14); }
/* Der Umschalter steht auch allein in der Kopfzeile der Rechtsseiten rechts. */
header .brand + .langbar { margin-left: auto; }
@media (max-width: 720px) {
  /* Nur vertikal setzen, sonst faellt der seitliche Rand von .wrap weg. */
  .bar { height: auto; padding-top: .75rem; padding-bottom: .75rem; flex-wrap: wrap; gap: .75rem; }
  header nav.sections { margin-left: 0; width: 100%; gap: 1rem; order: 3; }
  .langbar { margin-left: auto; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(34, 211, 238, .16), transparent 60%),
    radial-gradient(700px 380px at 90% 0%, rgba(167, 139, 250, .10), transparent 60%);
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  margin: 0 0 1rem; color: var(--brand);
  font-family: var(--mono); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase;
}
h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12; letter-spacing: -.02em; font-weight: 800; max-width: 20ch;
}
.lede { font-size: 1.13rem; color: var(--fg-2); max-width: 68ch; margin: 0 0 2rem; }
.lede-2 { color: var(--fg-2); max-width: 72ch; }

.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 0; }
.btn {
  display: inline-block; padding: .7rem 1.35rem; border-radius: var(--radius);
  border: 1px solid var(--border-strong); color: var(--fg); font-weight: 600; font-size: .97rem;
}
.btn:hover { text-decoration: none; border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #04222b; }
.btn.primary:hover { background: var(--brand-2); border-color: var(--brand-2); }

/* ---------- Abschnitte ---------- */
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.015em;
  margin: 0 0 1rem; font-weight: 750;
}
h3 { font-size: 1.02rem; margin: 0 0 .4rem; font-weight: 650; }
p { margin: 0 0 1rem; }
.note { color: var(--muted); font-size: .94rem; max-width: 72ch; }
.muted { color: var(--muted); }

.grid-3 { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); margin-top: -2.5rem; }
.grid-4 { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; margin-top: 2rem; } }
@media (max-width: 640px) { .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.card p { margin: 0; color: var(--fg-2); font-size: .95rem; }
.card h3 { color: var(--brand); }

.feature { border-left: 2px solid var(--border-strong); padding: .1rem 0 .1rem 1rem; }
.feature p { margin: 0; color: var(--fg-2); font-size: .95rem; }

/* ---------- Tabellen ---------- */
.tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .95rem; }
th, td { text-align: left; padding: .7rem .95rem; border-bottom: 1px solid var(--border); }
thead th { background: var(--surface-2); font-size: .82rem; text-transform: uppercase;
           letter-spacing: .05em; color: var(--muted); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody th { font-weight: 500; color: var(--fg-2); }
td.yes { color: var(--ok); font-weight: 700; }
td.no { color: var(--muted); }

/* ---------- Code ---------- */
pre {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.15rem; overflow-x: auto; margin: 0 0 1.25rem;
}
code { font-family: var(--mono); font-size: .89rem; color: var(--fg-2); }

/* ---------- FAQ ---------- */
.faq {
  border-bottom: 1px solid var(--border); padding: .35rem 0;
}
.faq summary {
  cursor: pointer; list-style: none; padding: .75rem 2rem .75rem 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { display: inline; font-size: 1.05rem; color: var(--fg); }
.faq summary::after {
  content: "+"; position: absolute; right: .35rem; top: .6rem;
  color: var(--brand); font-size: 1.3rem; line-height: 1;
}
.faq[open] summary::after { content: "\2212"; }
.faq p { color: var(--fg-2); max-width: 76ch; padding-bottom: .5rem; }

/* ---------- Fuss ---------- */
footer.site {
  border-top: 1px solid var(--border); margin-top: 5rem; padding: 2.5rem 0 3.5rem;
  font-size: .93rem;
}
footer .langs { margin-bottom: .5rem; }
footer p { margin: 0 0 .4rem; }

/* ---------- Rechtsseiten ---------- */
.legal { max-width: 760px; margin-top: 3rem; margin-bottom: 4rem; }
.legal h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.1rem; margin: 2rem 0 .5rem; color: var(--brand); }
.legal p { color: var(--fg-2); }