/* ============================================================
   bKV Landingpage – Shared design foundation
   Dark navy · cool slate · calm teal accent
   Sans: Hanken Grotesk  ·  Display serif: Spectral
   ============================================================ */

:root {
  /* Brand */
  --navy-900: #08192b;
  --navy-800: #0c2540;
  --navy-700: #143a5e;
  --navy-600: #1d4f7c;

  --ink:      #15212e;
  --slate-700:#34485a;
  --slate-600:#45596a;
  --slate-500:#5c6f7e;
  --slate-400:#8692a0;
  --line:     #e3e9ee;
  --line-soft:#eef2f5;

  --bg:       #ffffff;
  --bg-soft:  #f4f7f9;
  --bg-tint:  #eef3f6;

  /* Accent — calm teal */
  --teal:      #138a78;
  --teal-600:  #0f7565;
  --teal-300:  #5cb6a8;
  --teal-tint: #e7f3f0;
  --teal-tint2:#d7ebe6;

  --gold: #c79a4b; /* sparse premium accent for editorial option */

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(12,37,64,.06), 0 2px 8px rgba(12,37,64,.05);
  --shadow:    0 4px 14px rgba(12,37,64,.08), 0 18px 40px rgba(12,37,64,.07);
  --shadow-lg: 0 10px 30px rgba(8,25,43,.14), 0 40px 80px rgba(8,25,43,.12);

  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", monospace;

  --maxw: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
  color: var(--ink);
}

p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Type scale ---- */
.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal-600);
}
.eyebrow.on-dark { color: var(--teal-300); }

.lede {
  font-size: 1.18rem;
  color: var(--slate-700);
  line-height: 1.62;
}

.muted { color: var(--slate-500); }

/* ---- Buttons ---- */
.btn {
  --b: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1;
  padding: 1.05em 1.6em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 6px 20px rgba(19,138,120,.32);
}
.btn--primary:hover { background: var(--teal-600); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--slate-400); transform: translateY(-2px); }
.btn--on-dark {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.22);
}
.btn--on-dark:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.btn .arr { font-size: 1.1em; transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(3px); }

/* ---- Image placeholder ---- */
.ph {
  position: relative;
  background:
    repeating-linear-gradient(135deg,
      #e9eff3 0, #e9eff3 11px,
      #e1e9ef 11px, #e1e9ef 22px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 220px;
}
.ph.dark {
  background:
    repeating-linear-gradient(135deg,
      rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 11px,
      rgba(255,255,255,.02) 11px, rgba(255,255,255,.02) 22px);
  border-color: rgba(255,255,255,.14);
}
.ph .ph-label {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--slate-400);
  background: rgba(255,255,255,.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .5em 1em;
  text-align: center;
  max-width: 80%;
}
.ph.dark .ph-label {
  color: rgba(255,255,255,.62);
  background: rgba(8,25,43,.5);
  border-color: rgba(255,255,255,.16);
}

/* ---- Trust items ---- */
.trust-item { display: flex; align-items: center; gap: .6em; font-size: .95rem; font-weight: 500; }
.trust-item .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal); flex: none;
}
.trust-item.on-dark { color: rgba(255,255,255,.82); }
.trust-item.on-dark .dot { background: var(--teal-300); }

/* ---- Badge / pill ---- */
.pill {
  display: inline-flex; align-items: center; gap: .5em;
  font-size: .82rem; font-weight: 600; letter-spacing: .02em;
  padding: .5em .9em; border-radius: 999px;
  background: var(--teal-tint); color: var(--teal-600);
}
.pill.on-dark { background: rgba(92,182,168,.18); color: var(--teal-300); }

/* ---- FAQ accordion (shared) ---- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  list-style: none;
  background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.35rem 0;
  font-family: var(--sans);
  font-size: 1.1rem; font-weight: 600; color: var(--ink);
  text-align: left;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .ic {
  flex: none; width: 26px; height: 26px; position: relative;
  border-radius: 50%; border: 1px solid var(--line);
  transition: background .2s ease, border-color .2s ease;
}
.faq-q .ic::before, .faq-q .ic::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  background: var(--teal-600); border-radius: 2px;
}
.faq-q .ic::before { width: 11px; height: 2px; }
.faq-q .ic::after  { width: 2px; height: 11px; transition: transform .25s ease; }
.faq-item[open] .faq-q .ic { background: var(--teal-tint); border-color: var(--teal-300); }
.faq-item[open] .faq-q .ic::after { transform: rotate(90deg); opacity: 0; }
.faq-a { padding: 0 2.6rem 1.55rem 0; color: var(--slate-700); line-height: 1.62; max-width: 64ch; }

/* ---- Footer ---- */
.site-footer {
  background: var(--navy-900); color: rgba(255,255,255,.62);
  padding: 56px 0 40px;
  font-size: .92rem;
}
.site-footer .ft-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 32px;
  display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: flex-start;
}
.site-footer strong { color: #fff; font-weight: 600; }
.site-footer .ft-legal { font-size: .82rem; color: rgba(255,255,255,.4); }

/* ---- Utility ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.center { text-align: center; }
.lang-de { hyphens: auto; }

@media (max-width: 760px) {
  body { font-size: 17px; }
  .section { padding: 64px 0; }
  .wrap { padding-left: 20px; padding-right: 20px; }
}