/* Website von FiBu to go – Startseite, Rechtstexte, Kündigung/Widerruf. Motiv wie in der App: das T-Konto. */
:root {
  --paper: #f3f5f8; --surface: #fff; --surface-2: #e9edf3; --ink: #18212f; --ink-2: #4a5568; --ink-3: #6b7686; --line: #d6dce5;
  --accent: #2c46c9; --accent-ink: #fff; --accent-soft: #e4e9fb; --soll: #0b7a72; --soll-soft: #ddf1ef; --haben: #a8580f; --haben-soft: #f8ead9;
  --bad: #c03636; --bad-soft: #f9e1e1; --good: #1d8a4b; --good-soft: #dff3e7; --mark: #fff1a8;
  --hero-bg: #18212f; --hero-fg: #f3f5f8; --hero-2: #aab6c8;
  --shadow: 0 1px 2px rgba(24,33,47,.06), 0 6px 20px rgba(24,33,47,.07);
  --f-body: 'Times New Roman', Times, 'Liberation Serif', 'Nimbus Roman', serif;
  --f-display: 'Bricolage Grotesque', 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  --f-mono: 'Times New Roman', Times, 'Liberation Serif', 'Nimbus Roman', serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --paper: #10151d; --surface: #182029; --surface-2: #212b37; --ink: #e8edf4; --ink-2: #b4bfcd; --ink-3: #8d99a9; --line: #2e3a48;
  --accent: #7f95ff; --accent-ink: #0d1330; --accent-soft: #232c55; --soll: #4cc7bc; --soll-soft: #13332f; --haben: #f0a659; --haben-soft: #3a2a15;
  --bad: #ff7b7b; --bad-soft: #3a1b1b; --good: #5bd08c; --good-soft: #15321f; --mark: #5a4a00; --hero-bg: #0b1017; --hero-fg: #eef2f8; --hero-2: #93a0b3;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25); color-scheme: dark; } }
:root[data-theme="dark"] {
  --paper: #10151d; --surface: #182029; --surface-2: #212b37; --ink: #e8edf4; --ink-2: #b4bfcd; --ink-3: #8d99a9; --line: #2e3a48;
  --accent: #7f95ff; --accent-ink: #0d1330; --accent-soft: #232c55; --soll: #4cc7bc; --soll-soft: #13332f; --haben: #f0a659; --haben-soft: #3a2a15;
  --bad: #ff7b7b; --bad-soft: #3a1b1b; --good: #5bd08c; --good-soft: #15321f; --mark: #5a4a00; --hero-bg: #0b1017; --hero-fg: #eef2f8; --hero-2: #93a0b3;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25); color-scheme: dark; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.6 var(--f-body); font-variant-numeric: lining-nums; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.15; letter-spacing: -.015em; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 9; }

/* Kopfzeile */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font: 800 1.15rem var(--f-display); color: var(--ink); text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.top nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.top nav a { color: var(--ink-2); text-decoration: none; font-size: .95rem; }
.top nav a:hover { color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: 700 1rem var(--f-body); text-decoration: none; cursor: pointer; }
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { min-height: 38px; padding: 0 16px; font-size: .92rem; }
.btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (max-width: 760px) { .top nav a.hide-m { display: none; } .top nav { gap: 12px; } }

/* Hero */
.hero { background: var(--hero-bg); color: var(--hero-fg); padding: 64px 0 72px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font: 700 .8rem var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: #4cc7bc; margin-bottom: 14px; }
.hero p.lead { font-size: 1.2rem; color: var(--hero-2); max-width: 34em; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 12px; }
.hero .btn:not(.primary) { background: transparent; color: var(--hero-fg); border-color: #3b4a60; }
.hero .fine { font-size: .9rem; color: var(--hero-2); }
.taccount { background: #f3f5f8; color: #18212f; border-radius: 16px; padding: 18px 18px 14px; box-shadow: 0 20px 50px rgba(0,0,0,.35); font-family: var(--f-mono); font-size: .86rem; transform: rotate(-1.5deg); }
.taccount .ttl { text-align: center; font-weight: 800; padding-bottom: 8px; border-bottom: 3px solid #18212f; letter-spacing: .02em; }
.taccount .cols { display: grid; grid-template-columns: 1fr 1fr; }
.taccount .cols > div { padding: 8px 10px 4px; }
.taccount .cols > div:first-child { border-right: 3px solid #18212f; }
.taccount .h { font: 700 .72rem var(--f-body); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.taccount .s .h { color: #0b7a72; } .taccount .hb .h { color: #a8580f; }
.taccount .r { display: flex; justify-content: space-between; gap: 8px; padding: 2px 0; white-space: nowrap; }
.taccount .sum { border-top: 1.5px solid #18212f; margin-top: 6px; padding-top: 4px; font-weight: 800; }
.taccount .bs { margin-top: 14px; background: #fff; border-radius: 10px; padding: 10px 12px; font-size: .8rem; border: 1px solid #d6dce5; }
.taccount .bs b { color: #2c46c9; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } .taccount { max-width: 420px; transform: none; } }
@media (max-width: 420px) { .taccount { font-size: .74rem; padding: 14px 12px 12px; } .taccount .cols > div { padding: 8px 6px 4px; } .eyebrow { font-size: .7rem; } }
.hero .wrap > * { min-width: 0; }

/* Abschnitte */
section.block { padding: 72px 0; }
section.block.alt { background: var(--surface); border-block: 1px solid var(--line); }
.sec-head { max-width: 640px; margin-bottom: 32px; }
.sec-head p { color: var(--ink-2); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 960px) { .grid4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid3, .grid4 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); }
.alt .card { background: var(--paper); box-shadow: none; }
.card p { color: var(--ink-2); margin: 0; }
.ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; background: var(--soll-soft); color: var(--soll); }
.ico.h { background: var(--haben-soft); color: var(--haben); } .ico.a { background: var(--accent-soft); color: var(--accent); }
.ico svg { width: 24px; height: 24px; }
.mods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 760px) { .mods { grid-template-columns: 1fr; } }
.mod { display: grid; grid-template-columns: 52px 1fr; gap: 16px; }
.mod .nr { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font: 800 1.4rem var(--f-display); background: var(--surface-2); }
.mod .free { display: inline-block; font: 700 .72rem var(--f-body); text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--good-soft); color: var(--good); margin-left: 6px; vertical-align: middle; }
.mod ul { margin: 8px 0 0; padding-left: 18px; color: var(--ink-2); font-size: .95rem; }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.steps .card::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: var(--paper); font: 800 1rem var(--f-display); margin-bottom: 12px; }

/* Preise */
.price { position: relative; display: flex; flex-direction: column; gap: 6px; }
.price .amount { font: 800 2rem var(--f-display); letter-spacing: -.02em; }
.price .per { color: var(--ink-3); font-size: .92rem; }
.price.best { border: 2px solid var(--accent); }
.price .badge { position: absolute; top: -12px; left: 20px; background: var(--accent); color: var(--accent-ink); font: 700 .75rem var(--f-body); padding: 3px 10px; border-radius: 999px; }
.price .note { color: var(--ink-2); font-size: .93rem; }
.pricefine { color: var(--ink-3); font-size: .9rem; margin-top: 18px; max-width: 760px; }
.grid4.plans2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 760px; }
@media (max-width: 560px) { .grid4.plans2 { grid-template-columns: 1fr; } }
.groups { margin-top: 18px; max-width: 760px; }
.groups ul { margin: 8px 0 10px; padding-left: 18px; color: var(--ink-2); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 800 1.3rem var(--f-display); color: var(--ink-3); }
.faq details[open] summary::after { content: '–'; }
.faq details p { color: var(--ink-2); margin: 0 0 16px; }

/* Fußzeile */
footer { background: var(--hero-bg); color: var(--hero-2); padding: 40px 0 48px; font-size: .95rem; }
footer .wrap { display: grid; gap: 22px; }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--hero-fg); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .contract { display: flex; flex-wrap: wrap; gap: 12px; }
footer .contract a { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border-radius: 10px; font-weight: 700; text-decoration: none; }
footer .contract .kd { background: #f0a659; color: #18212f; }
footer .contract .wr { background: #4cc7bc; color: #18212f; }

/* Rechtstexte und Formulare */
main.page { padding: 48px 0 72px; }
.prose h2 { font-size: 1.8rem; margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose ul { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose .stand { color: var(--ink-3); font-size: .92rem; }
mark.ph { background: var(--mark); color: inherit; padding: 0 4px; border-radius: 4px; }
.draft { background: var(--haben-soft); color: var(--ink); border-radius: 12px; padding: 12px 16px; margin-bottom: 24px; font-size: .95rem; }
form .field { display: grid; gap: 6px; margin-bottom: 18px; }
form label, form legend { font-weight: 700; }
form .hint { color: var(--ink-3); font-size: .9rem; font-weight: 400; }
form input[type=text], form input[type=email], form input[type=date], form textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: 1rem var(--f-body); }
form textarea { min-height: 110px; resize: vertical; }
form fieldset { border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 16px 6px; margin: 0 0 18px; }
form fieldset label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-bottom: 10px; cursor: pointer; }
form fieldset input { margin-top: 5px; accent-color: var(--accent); }
.hp { position: absolute; left: -5000px; height: 0; overflow: hidden; }
.msg { border-radius: 12px; padding: 14px 16px; margin-top: 16px; }
.msg.err { background: var(--bad-soft); }
.msg.ok { background: var(--good-soft); }
.confirm table { border-collapse: collapse; margin: 10px 0; }
.confirm td { padding: 4px 14px 4px 0; vertical-align: top; }
.confirm td:first-child { color: var(--ink-3); }
@media print { .top, footer, .noprint { display: none !important; } body { background: #fff; color: #000; } }
.mod details summary { cursor: pointer; color: var(--accent); font-size: .92rem; margin-top: 6px; }
.mod p { font-size: .95rem; }
#result { scroll-margin-top: 84px; }