/* Kundenservice Team — standalone design system. Plain CSS, no build step. */

:root {
  --ink:      #0b1220;
  --ink-2:    #334155;
  --muted:    #64748b;
  --line:     #e6e9f0;
  --bg:       #ffffff;
  --bg-soft:  #f6f8fc;
  --brand:    #2563eb;
  --brand-2:  #1d4ed8;
  --accent:   #0ea5a4;
  --accent-2: #14b8a6;
  --ring:     rgba(37, 99, 235, .35);
  --shadow:   0 10px 30px -12px rgba(13, 28, 64, .25);
  --shadow-sm:0 2px 10px -4px rgba(13, 28, 64, .18);
  --radius:   16px;
  --radius-sm:10px;
  --maxw:     1080px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Top bar ─────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); font-size: 18px; }
.logo:hover { text-decoration: none; }
.logo .mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.logo small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: .01em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--ink-2); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--brand); text-decoration: none; }
.nav-cta {
  background: var(--ink); color: #fff !important; padding: 9px 16px; border-radius: 999px;
  font-weight: 600; font-size: 14px;
}
.nav-cta:hover { background: var(--brand); text-decoration: none; }

/* ── Hero ────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 92px 0 76px; }
.hero::before {
  content: ""; position: absolute; inset: -40% 0 auto -10%; height: 720px; z-index: -1;
  background:
    radial-gradient(60% 60% at 20% 10%, rgba(37,99,235,.16), transparent 60%),
    radial-gradient(50% 50% at 85% 0%, rgba(14,165,164,.14), transparent 60%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: #eef3ff; color: var(--brand-2);
  border: 1px solid #dbe5ff; padding: 6px 13px; border-radius: 999px;
  font-size: 13px; font-weight: 600; margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-size: clamp(34px, 5vw, 56px); line-height: 1.07; letter-spacing: -.03em;
  margin: 0 0 20px; max-width: 18ch; font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--brand) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { font-size: 19px; color: var(--ink-2); max-width: 56ch; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  font-weight: 600; font-size: 16px; border-radius: 999px; padding: 14px 26px;
  border: 1px solid transparent; transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px -8px var(--ring); }
.btn-primary:hover { background: var(--brand-2); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

.trust-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--ink-2); font-size: 13.5px; font-weight: 500;
  padding: 8px 14px; border-radius: 999px;
}
.chip svg { width: 15px; height: 15px; color: var(--accent); }

/* ── Section scaffolding ─────────────────────────────────── */
section { padding: 76px 0; }
.section-head { max-width: 620px; margin: 0 auto 48px; text-align: center; }
.section-head .kicker { color: var(--brand); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.02em; margin: 10px 0 14px; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ── Feature grid ────────────────────────────────────────── */
.grid { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .25s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #d4ddf2; }
.card .ic {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, #eef3ff, #e6fbf7); color: var(--brand); margin-bottom: 18px;
}
.card .ic svg { width: 24px; height: 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* ── Steps ───────────────────────────────────────────────── */
.steps { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.step { position: relative; padding: 28px 24px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step .num {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: var(--ink); color: #fff; font-weight: 700; margin-bottom: 16px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* ── Subscribe ───────────────────────────────────────────── */
.subscribe-band {
  background: linear-gradient(135deg, #0b1220 0%, #16224a 60%, #0e3a52 100%);
  color: #fff; border-radius: 24px; padding: 56px 40px; text-align: center;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.subscribe-band::after {
  content: ""; position: absolute; inset: auto -20% -60% auto; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(20,184,166,.35), transparent 60%); z-index: 0;
}
.subscribe-band > * { position: relative; z-index: 1; }
.subscribe-band h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; letter-spacing: -.02em; }
.subscribe-band p { color: #c7d2e8; max-width: 52ch; margin: 0 auto 28px; font-size: 16px; }
.subscribe-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; }
.subscribe-form input {
  flex: 1; padding: 15px 18px; border-radius: 999px; border: 1px solid transparent;
  font-size: 16px; font-family: inherit; outline: none; background: #fff; color: var(--ink);
}
.subscribe-form input:focus { box-shadow: 0 0 0 4px rgba(20,184,166,.35); }
.subscribe-form button {
  background: var(--accent-2); color: #04201f; border: none; font-weight: 700; font-size: 16px;
  padding: 0 26px; border-radius: 999px; cursor: pointer; transition: background .2s, transform .08s;
}
.subscribe-form button:hover { background: #2dd4bf; transform: translateY(-1px); }
.subscribe-form button:disabled { opacity: .6; cursor: not-allowed; }
.consent { color: #93a2c4; font-size: 13px; max-width: 50ch; margin: 18px auto 0; }
.consent a { color: #7dd3c8; }
.subscribe-result { max-width: 480px; margin: 16px auto 0; padding: 12px 16px; border-radius: 12px; font-size: 14.5px; }
.subscribe-result.ok  { background: rgba(20,184,166,.18); color: #ccfbf1; }
.subscribe-result.err { background: rgba(248,113,113,.2); color: #fecaca; }

/* ── FAQ ─────────────────────────────────────────────────── */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 20px;
  box-shadow: var(--shadow-sm);
}
.faq summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 22px; font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 16px; color: var(--ink-2); font-size: 15px; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer { background: #0b1220; color: #aeb9d2; padding: 56px 0 28px; }
.site-footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; }
.site-footer h5 { color: #fff; font-size: 14px; margin: 0 0 14px; letter-spacing: .02em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0 0 9px; }
.site-footer a { color: #aeb9d2; font-size: 14.5px; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.site-footer .blurb { font-size: 14px; color: #8493b5; max-width: 34ch; margin: 0; }
.site-footer .logo { color: #fff; margin-bottom: 14px; }
.site-footer .logo small { color: #8493b5; }
.foot-bottom {
  border-top: 1px solid #1c2848; margin-top: 40px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between;
  font-size: 13px; color: #74829f;
}

/* ── Legal docs ──────────────────────────────────────────── */
.legal { padding: 64px 0; }
.legal .wrap { max-width: 800px; }
.legal h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -.02em; margin: 0 0 6px; }
.legal .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; letter-spacing: -.01em; }
.legal p, .legal li { color: var(--ink-2); font-size: 16px; }
.legal ul { padding-left: 20px; }
.legal li { margin: 6px 0; }
.legal code { background: var(--bg-soft); border: 1px solid var(--line); padding: 2px 7px; border-radius: 6px; font-size: 14px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 860px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 28px; }
  .nav-links a:not(.nav-cta) { display: none; }
}
@media (max-width: 540px) {
  .subscribe-form { flex-direction: column; }
  .subscribe-band { padding: 40px 22px; }
  .hero { padding: 64px 0 56px; }
}
