:root {
  color-scheme: dark;
  --paper: #1c1611;
  --paper-deep: #211a14;
  --ink: #f3eee4;
  --muted: #d4c9bb;
  --line: rgba(243, 238, 228, 0.2);
  --line-strong: rgba(243, 238, 228, 0.38);
  --paper-glass: rgba(28, 22, 17, 0.88);
  --accent: #98b7ae;
  --accent-soft: rgba(152, 183, 174, 0.16);
  --logo-filter: invert(1) sepia(0.15);
}

html[data-theme="light"] {
  color-scheme: light;
  --paper: #e4ded2;
  --paper-deep: #dad2c4;
  --ink: #241c16;
  --muted: #4d433b;
  --line: rgba(36, 28, 22, 0.2);
  --line-strong: rgba(36, 28, 22, 0.36);
  --paper-glass: rgba(228, 222, 210, 0.9);
  --logo-filter: none;
}
html[data-theme="light"] body.site-nfv-com { --accent:#476c63; --accent-soft:rgba(71,108,99,.13); }
html[data-theme="light"] body.site-nfv-de { --accent:#76532b; --accent-soft:rgba(118,83,43,.13); }
html[data-theme="light"] body.site-optimalism { --accent:#4e6281; --accent-soft:rgba(78,98,129,.13); }
html[data-theme="light"] body.site-soul { --accent:#745878; --accent-soft:rgba(116,88,120,.13); }

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--muted);
  background: var(--paper);
  overflow-x: hidden;
}
body.site-nfv-de { --accent: #caa879; --accent-soft: rgba(202, 168, 121, 0.16); }
body.site-optimalism { --accent: #90a7c9; --accent-soft: rgba(144, 167, 201, 0.16); }
body.site-soul { --accent: #b89bbb; --accent-soft: rgba(184, 155, 187, 0.16); }

a { color: inherit; text-underline-offset: 0.24em; }
a:hover { color: var(--ink); }
a:focus-visible,
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, var(--accent-soft), transparent 28rem),
    radial-gradient(circle at 84% 76%, var(--accent-soft), transparent 26rem);
  opacity: 0.95;
}

.site-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 74px;
  padding: 1rem clamp(1rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  background: var(--paper-glass);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; }
.brand img { width: 106px; height: auto; filter: var(--logo-filter); }
.nav-actions { display: flex; align-items: center; gap: clamp(0.75rem, 2vw, 1.5rem); }
.nav-actions a { text-decoration: none; }
.theme-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.hero {
  width: min(1120px, calc(100% - 2rem));
  margin: auto;
  padding: clamp(5rem, 12vh, 9rem) 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.68fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}
.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: none;
}
h1 { margin: 0; max-width: 16ch; overflow-wrap: anywhere; }
.lead { max-width: 40rem; margin: 1.5rem 0 0; line-height: 1.75; }
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--accent-soft);
}
.status::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}
.domain-mark {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent-soft), transparent 64%);
}
.domain-mark::before,
.domain-mark::after {
  content: "";
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.domain-mark::before { inset: 15%; }
.domain-mark::after { inset: 31%; border-color: var(--accent); }
.domain-mark span {
  position: relative;
  z-index: 1;
  color: var(--ink);
  font-size: 1.1rem !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legal-page {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) 0;
}
.legal-page h1 { margin-bottom: 2rem; }
.legal-page h2 { margin: 2.5rem 0 0.75rem; }
.legal-page p { line-height: 1.75; }

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem clamp(1rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
}
.footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }

@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; min-height: 66px; }
  .nav-actions { justify-content: space-between; width: 100%; }
  .hero-grid { grid-template-columns: 1fr; }
  .domain-mark { width: min(72vw, 330px); margin: 0 auto; }
  .footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}