:root {
  --bg: #f6f7f9; --surface: #ffffff; --surface-2: #eef2f7;
  --text: #18202a; --muted: #586474; --line: #dde3ea;
  --accent: #0b5cad; --accent-2: #12a39a; --on-accent: #ffffff;
  --ph-bg: #fff3c4; --ph-text: #6b4e00;
  --radius: 14px; --max: 68rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a; --surface: #161d25; --surface-2: #1c2530;
    --text: #e7ecf2; --muted: #9aa7b6; --line: #2a3542;
    --accent: #5ea8f0; --accent-2: #3fd1c4; --on-accent: #0b1520;
    --ph-bg: #4a3b00; --ph-text: #ffe08a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
img, svg { max-width: 100%; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 2rem; } }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -.01em; }
.brand svg { width: 28px; height: 28px; flex: none; }
.nav { display: flex; gap: 1.4rem; font-size: .95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav a:not(.nav-cta) { display: none; } }
.nav-cta { color: var(--accent) !important; font-weight: 600; }

/* Hero */
.hero { padding: 5rem 0 4rem; }
@media (min-width: 900px) { .hero { padding: 7rem 0 5.5rem; } }
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-2); margin: 0 0 1rem; }
.hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 1.25rem; max-width: 18ch; }
.hero h1 span { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 40rem; margin: 0 0 2rem; }
.btns { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .8rem 1.4rem; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-ghost { border-color: var(--line); color: var(--text); background: var(--surface); }

/* Sections */
section { padding: 4.5rem 0; }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
.sec-head { max-width: 42rem; margin-bottom: 2.5rem; }
.sec-head h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -.02em; line-height: 1.2; margin: 0 0 .75rem; }
.sec-head p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
section.alt .card { background: var(--bg); }
.card h3 { font-size: 1.1rem; margin: .9rem 0 .4rem; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }
.icon { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: var(--surface-2); color: var(--accent); }
.icon svg { width: 24px; height: 24px; }

.step-no { font-size: .85rem; font-weight: 700; color: var(--accent-2); letter-spacing: .05em; }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
@media (min-width: 720px) { .checks { grid-template-columns: repeat(2, 1fr); gap: 1.25rem 2.5rem; } }
.checks li { position: relative; padding-left: 2rem; }
.checks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--accent-2); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm-1.2 14.2-4-4 1.4-1.4 2.6 2.6 5.6-5.6 1.4 1.4-7 7Z'/%3E%3C/svg%3E") center/contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm-1.2 14.2-4-4 1.4-1.4 2.6 2.6 5.6-5.6 1.4 1.4-7 7Z'/%3E%3C/svg%3E") center/contain no-repeat; }
.checks strong { display: block; }
.checks span { color: var(--muted); font-size: .97rem; }

.contact { display: grid; gap: 2rem; align-items: start; }
@media (min-width: 860px) { .contact { grid-template-columns: 1.2fr 1fr; gap: 3rem; } }
.contact-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.75rem; }
.contact-box dl { margin: 0; display: grid; gap: 1rem; }
.contact-box dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.contact-box dd { margin: .1rem 0 0; font-size: 1.05rem; overflow-wrap: anywhere; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; font-size: .9rem; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 1.25rem; }
.site-footer a { color: var(--muted); }

/* Rechtstexte */
.legal { padding: 3.5rem 0 4.5rem; }
.legal .wrap { max-width: 48rem; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.02em; margin: 0 0 2rem; }
.legal h2 { font-size: 1.25rem; margin: 2.25rem 0 .6rem; letter-spacing: -.01em; }
.legal h3 { font-size: 1.05rem; margin: 1.5rem 0 .4rem; }
.legal p, .legal li { color: var(--text); }
.legal address { font-style: normal; }
.legal .note { font-size: .9rem; color: var(--muted); }

/* Platzhalter – vor Veröffentlichung ersetzen */
.ph { background: var(--ph-bg); color: var(--ph-text); padding: 0 .3em; border-radius: 4px; font-weight: 600; }

:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }