/* GastSync – gemeinsames Stylesheet. Keine externen Schriften (DSGVO): nur Systemschriften. */
:root {
  --bg: #f2f4f5;
  --surface: #ffffff;
  --ink: #15212b;
  --muted: #55636e;
  --line: #d6dde1;
  --accent: #1d6b57;
  --accent-ink: #ffffff;
  --brass: #8a5f0f;
  --tint: #e3eeea;
  --display: "Segoe UI Variable Display", "Segoe UI", "Avenir Next", "Helvetica Neue", system-ui, sans-serif;
  --body: "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: "Cascadia Mono", "SF Mono", Consolas, ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1619; --surface: #172126; --ink: #e6ecee; --muted: #9aa8b0;
    --line: #2a3840; --accent: #4fb596; --accent-ink: #08201a; --brass: #d9a94a; --tint: #16302a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--body); font-size: 1.075rem; line-height: 1.6;
  padding-inline: 20px; padding-block: 0;
}
img { max-width: 100%; }
.wrap { max-width: 1040px; margin-inline: auto; }
.narrow { max-width: 720px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.7rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.55rem, 3.1vw, 2.2rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.eyebrow { font-family: var(--mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); }
.lead { color: var(--muted); font-size: 1.2rem; max-width: 34em; }
.note { font-size: .92rem; color: var(--muted); }

.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 22px; }
.brand { font-family: var(--display); font-weight: 800; font-size: 1.35rem; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.top .tag { font-family: var(--mono); font-size: .8rem; color: var(--muted); }

.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding-block: 36px 72px; }
.hero > div { min-width: 0; display: grid; gap: 22px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 13px 22px; border-radius: 6px; border: 0; font: 600 1rem var(--body); cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }

.inbox { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: 0 18px 40px -24px rgba(10, 30, 40, .35); }
.inbox header { display: flex; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.msg { padding: 16px; display: grid; gap: 6px; border-bottom: 1px solid var(--line); }
.msg:last-child { border-bottom: 0; }
.msg .meta { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.msg .from { font-weight: 600; font-size: .98rem; }
.msg .snip { color: var(--muted); font-size: .95rem; }
.msg.reply { background: var(--tint); }
.msg.reply .from { color: var(--accent); }
.clock { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 16px; font-family: var(--mono); font-size: .82rem; color: var(--brass); border-bottom: 1px solid var(--line); }
.clock b { font-weight: 600; font-size: 1rem; }
.pill { display: inline-block; font-family: var(--mono); font-size: .7rem; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }

section { padding-block: 64px; border-top: 1px solid var(--line); display: grid; gap: 28px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.split > * { min-width: 0; }
ul.facts { padding: 0; margin: 0; display: grid; gap: 14px; }
.facts li { list-style: none; display: grid; grid-template-columns: 110px 1fr; gap: 14px; align-items: baseline; }
.facts .when { font-family: var(--mono); font-size: .88rem; color: var(--brass); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: s; padding: 0; margin: 0; }
.steps li { list-style: none; display: grid; gap: 10px; align-content: start; padding-top: 16px; border-top: 2px solid var(--ink); }
.steps li::before { counter-increment: s; content: "Schritt " counter(s); font-family: var(--mono); font-size: .78rem; color: var(--muted); letter-spacing: .05em; }
.steps p, .feat p { color: var(--muted); }

.feat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 40px; padding: 0; margin: 0; }
.feat li { list-style: none; display: grid; gap: 4px; }

.price { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.price > * { min-width: 0; }
.amount { font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; font-variant-numeric: tabular-nums; }
.amount small { font-family: var(--body); font-weight: 400; font-size: 1rem; color: var(--muted); }
.price ul { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; }

details { border-bottom: 1px solid var(--line); padding-block: 14px; }
details summary { cursor: pointer; font-weight: 600; font-size: 1.08rem; }
details p { color: var(--muted); padding-top: 8px; max-width: 42em; }

.contact { justify-items: start; }
.mail { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.mail a.addr { font-family: var(--mono); font-size: 1.15rem; background: var(--surface); border: 1px solid var(--line); padding: 10px 14px; border-radius: 6px; color: var(--ink); text-decoration: none; }

.legal { padding-block: 24px 64px; display: grid; gap: 28px; }
.legal section { padding-block: 0; border: 0; gap: 10px; }
.legal p, .legal li { max-width: 46em; }
.legal ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }

footer { padding-block: 32px 48px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; }
footer a { color: var(--muted); }

@media (max-width: 820px) {
  .hero, .split, .price, .steps, .feat { grid-template-columns: 1fr; }
  .hero { padding-block: 20px 48px; gap: 32px; }
  .top .tag { display: none; }
}