/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s, border-color 0.2s, color 0.2s;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 16px 32px;
  font-size: 15px;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 16px;
  gap: 12px;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.btn--sm:hover {
  transform: translateY(-1px);
}

.btn--ghost {
  padding: 16px 24px;
  border: 1px solid rgba(232, 240, 235, 0.15);
  color: var(--color-text-soft);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  gap: 8px;
}

.btn--ghost:hover {
  border-color: rgba(45, 224, 122, 0.4);
  color: var(--color-text);
}

.btn svg {
  flex-shrink: 0;
}

/* Karten */
.card {
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: rgba(11, 24, 16, 0.4);
  transition: border-color 0.2s, background 0.2s;
}

.card:hover {
  border-color: rgba(45, 224, 122, 0.35);
  background: rgba(11, 24, 16, 0.7);
}

/* Stat-Zahl */
.stat__value {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
}

.stat__label {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.4;
}

/* Marmor-Textur */
.marble {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Navigation */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s;
}

.nav.is-scrolled {
  background: rgba(6, 13, 9, 0.95);
  border-bottom-color: rgba(26, 122, 70, 0.25);
  backdrop-filter: blur(12px);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.logo span {
  color: var(--color-accent);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-soft);
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--color-accent);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(26, 122, 70, 0.15);
  padding: 40px var(--gutter);
  background: var(--color-bg);
}

.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer .logo {
  font-size: 20px;
}

.footer__copy {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: rgba(138, 168, 152, 0.4);
}

.footer__mail {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.footer__mail:hover {
  color: var(--color-accent);
}