/* Startseite: hell, viel Weissraum, grosse Illustrationen, dezente Bewegung (Stil: ruhig und praezise) */
body.landing {
  --ink: #1d1d1f; --muted: #6e6e73; --faint: #86868b; --line: #d2d2d7; --soft: #f5f5f7; --bg: #fbfbfd;
  --accent: #ee8f96; --accent-ink: #b8434e;
  background: var(--bg); color: var(--ink); display: block;
  font-family: -apple-system, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased; line-height: 1.47;
}
.landing a { color: inherit; }
/* Grundformatierung der Chat-Seiten (style.css) fuer die Startseite zuruecknehmen */
.landing main { max-width: none; width: auto; margin: 0; padding: 0; flex: none; }
.landing footer.l-foot { background: transparent; color: var(--faint); }
.landing footer.l-foot .l-wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }
.landing h1, .landing h2, .landing h3, .landing .l-brand { font-family: -apple-system, "SF Pro Display", "Segoe UI", Helvetica, Arial, sans-serif; }
.l-wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Kopfleiste */
.l-nav { position: sticky; top: 0; z-index: 20; background: rgba(251, 251, 253, .82); -webkit-backdrop-filter: saturate(180%) blur(18px); backdrop-filter: saturate(180%) blur(18px); border-bottom: 1px solid rgba(0, 0, 0, .08); }
.l-nav .l-wrap { display: flex; align-items: center; gap: 28px; height: 56px; }
.l-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; }
.l-brand .brand-mark { height: 46px; }
.l-links { margin-left: auto; display: flex; gap: 26px; font-size: 14px; }
.l-links a { text-decoration: none; color: var(--muted); transition: color .2s; }
.l-links a:hover { color: var(--ink); }

/* Schaltflaechen */
.btn-l { display: inline-block; font: inherit; font-size: 17px; font-weight: 500; text-decoration: none; background: var(--ink); color: #fff !important; padding: 13px 26px; border-radius: 980px; transition: background .2s, transform .2s; }
.btn-l:hover { background: #3a3a3d; transform: translateY(-1px); }
.btn-l:focus-visible, .more:focus-visible, .l-links a:focus-visible { outline: 3px solid #0071e3; outline-offset: 3px; }
.more { font-size: 17px; text-decoration: none; color: var(--accent-ink) !important; }
.more:hover { text-decoration: underline; }
.more::after { content: " \203A"; }

/* Hero */
.l-hero { text-align: center; padding: clamp(56px, 10vw, 112px) 0 0; overflow: hidden; }
.eyebrow { font-size: 15px; font-weight: 600; color: var(--accent-ink); letter-spacing: .02em; margin: 0 0 14px; }
.l-hero h1 { font-size: clamp(40px, 7.4vw, 80px); line-height: 1.04; letter-spacing: -.035em; font-weight: 700; margin: 0 auto; max-width: 13em; }
.l-hero .lead { font-size: clamp(19px, 2.3vw, 26px); line-height: 1.32; color: var(--muted); max-width: 31em; margin: 22px auto 0; }
.cta { display: flex; gap: 14px 28px; justify-content: center; align-items: center; flex-wrap: wrap; margin-top: 34px; }
.hero-img { margin: clamp(36px, 6vw, 72px) auto 0; max-width: 1040px; }
.hero-img img { display: block; width: 100%; height: auto; }

/* Abschnitte */
.l-sec { padding: clamp(72px, 11vw, 132px) 0; }
.l-sec.alt { background: var(--soft); }
.l-sec h2 { font-size: clamp(30px, 4.8vw, 54px); line-height: 1.07; letter-spacing: -.028em; font-weight: 700; margin: 0 0 18px; }
.l-sec p { font-size: clamp(17px, 1.7vw, 21px); line-height: 1.42; color: var(--muted); margin: 0 0 14px; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto clamp(40px, 6vw, 72px); }

.feat { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 84px); align-items: center; }
.feat + .feat { margin-top: clamp(72px, 11vw, 140px); }
.feat.rev .feat-img { order: -1; }
.feat-img img { display: block; width: 100%; height: auto; }
.feat .small { font-size: 15px; color: var(--faint); }

/* Zugang */
.access { background: #fff; border-radius: 30px; box-shadow: 0 2px 6px rgba(0, 0, 0, .04), 0 24px 60px rgba(0, 0, 0, .06); padding: clamp(28px, 5vw, 56px); display: grid; gap: 40px; }
.access.two { grid-template-columns: 1fr 1fr; }
.access h3 { font-size: 24px; letter-spacing: -.02em; margin: 0 0 10px; }
.access p { font-size: 17px; margin: 0 0 14px; }
.access .rooms { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.access .note { font-size: 14px; color: var(--faint); }
.access + .access { margin-top: 20px; }

/* Ablauf */
.steps-l { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { padding: 32px 28px 8px 0; }
.step + .step { padding-left: 28px; border-left: 1px solid var(--line); }
.step-img { display: block; width: 168px; height: auto; margin: 0 0 6px -6px; }
.step .num { font-size: 15px; font-weight: 600; color: var(--accent-ink); letter-spacing: .08em; }
.step h3 { font-size: 26px; letter-spacing: -.02em; margin: 10px 0 8px; }
.step p { font-size: 17px; margin: 0; }

/* Technische Eckdaten */
.spec { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.spec div { padding: 26px 22px 26px 0; border-bottom: 1px solid var(--line); }
.spec div:not(:nth-child(3n+1)) { padding-left: 22px; border-left: 1px solid var(--line); }
.spec dt { font-size: 14px; color: var(--faint); letter-spacing: .02em; margin: 0 0 6px; }
.spec dd { margin: 0; font-size: clamp(22px, 2.6vw, 30px); font-weight: 600; letter-spacing: -.02em; }

.l-foot { padding: 36px 0 48px; font-size: 13px; color: var(--faint); border-top: 1px solid var(--line); }
.l-foot .l-wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.l-foot a { text-decoration: none; }
.l-foot a:hover { text-decoration: underline; }

/* Bewegung (dezent) */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.anim { animation: rise .95s cubic-bezier(.2, .7, .2, 1) both; }
.d1 { animation-delay: .08s; } .d2 { animation-delay: .22s; } .d3 { animation-delay: .38s; } .d4 { animation-delay: .55s; }
.hero-img img { animation: float 8s ease-in-out 1.6s infinite; }
.reveal-ready .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
.reveal-ready .reveal.in { opacity: 1; transform: none; }
.reveal-ready .reveal.in.dl1 { transition-delay: .1s; } .reveal-ready .reveal.in.dl2 { transition-delay: .2s; }

@media (prefers-reduced-motion: reduce) {
  .anim, .hero-img img { animation: none !important; }
  .reveal-ready .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn-l { transition: none; }
}

@media (max-width: 820px) {
  .feat, .access.two { grid-template-columns: 1fr; }
  .feat.rev .feat-img { order: 0; }
  .steps-l, .spec { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 24px 0 8px; border-left: 0; }
  .step + .step { border-top: 1px solid var(--line); }
  .spec div, .spec div:not(:nth-child(3n+1)) { padding: 20px 0; border-left: 0; }
  .l-links a:not(.keep) { display: none; }
}