/* Perfora – Webseite. Farben wie in der App (Petrol), hell und dunkel nach Systemvorgabe. */
:root {
  --bg: #f7f6f2; --bg2: #efede6; --card: #ffffff; --text: #1d2321; --muted: #5b6662; --line: #dfdcd3;
  --brand: #0f6e63; --brand2: #17927f; --brand-ink: #ffffff; --accent-bg: #e1f1ed; --shadow: 0 20px 50px rgb(15 40 36 / .14);
  --radius: 14px; --wrap: 1160px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111615; --bg2: #171d1c; --card: #1c2321; --text: #e8eeec; --muted: #9fb0ab; --line: #2b3533;
    --brand: #3fc2aa; --brand2: #5fd6bf; --brand-ink: #062a25; --accent-bg: #173a34; --shadow: 0 20px 50px rgb(0 0 0 / .45);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 17px;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, "Noto Sans", "Hiragino Sans", "PingFang SC", "Microsoft YaHei", sans-serif; }
img { max-width: 100%; height: auto; }
a { color: var(--brand); text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.015em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.ic { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.big { width: 30px; height: 30px; }
.small { font-size: 14px; color: var(--muted); }
.center { text-align: center; }

/* Kopfleiste */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.navbar { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.desk { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.links a:not(.btn) { color: var(--text); text-decoration: none; font-size: 15px; }
.links a:not(.btn):hover { color: var(--brand); }
.menu { display: none; margin-left: auto; }
.menu summary, .lang summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 6px; padding: 8px; border-radius: 10px; color: var(--text); }
.menu summary::-webkit-details-marker, .lang summary::-webkit-details-marker { display: none; }
.lang { position: relative; }
.lang summary span { font-size: 14px; }
.lang div { position: absolute; right: 0; top: 44px; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; display: grid; min-width: 170px; }
.lang div a { padding: 7px 12px; border-radius: 8px; color: var(--text); text-decoration: none; font-size: 15px; }
.lang div a:hover, .lang div a[aria-current] { background: var(--accent-bg); }
@media (max-width: 900px) {
  .desk { display: none; }
  .menu { display: block; }
  .menu .links { display: flex; position: absolute; left: 16px; right: 16px; top: 64px; flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px; box-shadow: var(--shadow); }
  .menu .links a { padding: 10px 12px; }
  .lang summary span { display: none; }
}

/* Knöpfe */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 12px;
  font-weight: 600; text-decoration: none; border: 1px solid transparent; font-size: 16px; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { background: var(--brand2); }
.btn.ghost { border-color: var(--line); color: var(--text); background: var(--card); }
.btn.sm { padding: 8px 16px; font-size: 15px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 14px; }
.arrow { font-weight: 600; text-decoration: none; }
.arrow:hover { text-decoration: underline; }

/* Startbereich */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; padding: 64px 0 40px; }
.eyebrow { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 12px; }
.hero h1 { font-size: clamp(34px, 4.2vw, 52px); margin: 0; font-weight: 750; }
.hero h1 span { display: block; color: var(--brand); }
.lead { font-size: 19px; color: var(--muted); margin: 18px 0 0; }
.note { font-size: 14px; color: var(--muted); margin: 0; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding-top: 36px; gap: 32px; } }

/* App-Fenster um die Aufnahmen */
.window { margin: 0; border-radius: 12px; overflow: hidden; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.window .bar { display: flex; align-items: center; gap: 8px; height: 32px; padding: 0 12px; background: var(--bg2); font-size: 12px; color: var(--muted); }
.window .bar span { flex: 1; }
.window .bar i { width: 10px; height: 1.5px; background: var(--muted); opacity: .6; margin-left: 12px; }
.window .shot { display: block; width: 100%; }

.badges { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 8px; }
.badges li { display: flex; gap: 10px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; font-size: 15px; font-weight: 600; }
.badges .ic { color: var(--brand); }
@media (max-width: 900px) { .badges { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .badges { grid-template-columns: 1fr; } }

/* Abschnitte */
.section { padding: 80px 0; }
.band { background: var(--bg2); border-block: 1px solid var(--line); }
.sh { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.sh h2 { font-size: clamp(28px, 3.6vw, 40px); margin: 0 0 12px; }
.sh p { color: var(--muted); font-size: 18px; margin: 0; }
.steps { list-style: none; padding: 0; display: grid; gap: 64px; margin: 0; }
.step { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 44px; align-items: center; }
.step:nth-child(even) .step-text { order: 2; }
.num { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: var(--brand-ink);
  font-weight: 700; margin-right: 10px; flex: none; }
.step h3 { font-size: 26px; margin: 14px 0 10px; }
.step p { color: var(--muted); margin: 0; }
@media (max-width: 900px) { .step { grid-template-columns: 1fr; gap: 20px; } .step:nth-child(even) .step-text { order: 0; } }

.uses, .features { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.uses { grid-template-columns: repeat(3, 1fr); }
.features { grid-template-columns: repeat(4, 1fr); }
.uses li, .features li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.uses h3, .features h3 { font-size: 18px; margin: 0 0 8px; }
.uses p, .features p { margin: 0; color: var(--muted); font-size: 15px; }
.features .ic { color: var(--brand); width: 28px; height: 28px; margin-bottom: 10px; }
@media (max-width: 1000px) { .features { grid-template-columns: 1fr 1fr; } .uses { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features, .uses { grid-template-columns: 1fr; } }
.more { text-align: center; margin: 30px 0 0; }

.privacy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.privacy h2 { font-size: clamp(26px, 3.2vw, 36px); display: flex; gap: 12px; align-items: center; margin-top: 0; }
.privacy h2 .ic { color: var(--brand); }
.privacy p { color: var(--muted); }
@media (max-width: 900px) { .privacy { grid-template-columns: 1fr; } }
.checks { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks .ic { color: var(--brand); width: 20px; height: 20px; margin-top: 3px; }

.price-card { max-width: 520px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 34px;
  box-shadow: var(--shadow); text-align: left; }
.price-card h3 { margin: 0; font-size: 20px; }
.price { font-size: 56px; font-weight: 800; margin: 8px 0 0; letter-spacing: -.03em; color: var(--brand); }

.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 20px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 0 0 18px; color: var(--muted); }

.downloads { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 900px; margin: 0 auto; }
.downloads li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center;
  display: grid; justify-items: center; gap: 8px; }
.downloads h3 { margin: 4px 0 8px; font-size: 18px; }
.downloads .ic { color: var(--brand); }
.soon { display: inline-block; padding: 8px 14px; border-radius: 999px; background: var(--accent-bg); color: var(--brand); font-weight: 600; font-size: 14px; }
@media (max-width: 760px) { .downloads { grid-template-columns: 1fr; } }

/* Textseiten */
.doc { max-width: 820px; padding: 56px 0 80px; }
.doc h1 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 12px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--text); }
.doc address { font-style: normal; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.date { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.note-box { background: var(--accent-bg); border-radius: 10px; padding: 10px 14px; }
.links { padding-left: 20px; }
.guide-steps { list-style: none; padding: 0; margin: 36px 0; display: grid; gap: 38px; }
.guide-steps h2 { display: flex; align-items: center; margin: 0 0 10px; }
.guide-steps .window { margin-top: 18px; }
.tips { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 24px; }
.tips h2 { margin-top: 20px; }
.cta-box { margin-top: 36px; text-align: center; background: var(--accent-bg); border-radius: 20px; padding: 30px; }
.cta-box h2 { margin-top: 0; }

/* Fuß */
footer { background: var(--bg2); border-top: 1px solid var(--line); padding: 48px 0 24px; margin-top: 0; font-size: 15px; }
.foot { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; }
.foot h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 4px 0 10px; }
.foot a:not(.brand) { display: flex; gap: 8px; align-items: center; color: var(--text); text-decoration: none; padding: 3px 0; }
.foot a:not(.brand):hover { color: var(--brand); }
.foot p { color: var(--muted); }
.foot .ic { width: 18px; height: 18px; }
.copy { color: var(--muted); font-size: 13px; margin-top: 28px; }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr 1fr; } }

/* Sprachwahl-Seite */
.root main { display: grid; justify-items: center; padding-top: 80px; }
.langlist { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; width: 100%; max-width: 640px; }
.langlist a { display: block; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); text-decoration: none; color: var(--text); }
.langlist a:hover { border-color: var(--brand); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }