/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity 0.2s var(--ease-standard), border-color 0.2s var(--ease-standard), background 0.2s var(--ease-standard);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  opacity: 0.88;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-text-muted);
}

/* Site header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 13, 10, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-hairline);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  display: block;
  height: 32px;
  width: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color 0.2s var(--ease-standard), background 0.2s var(--ease-standard);
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-link-contact {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: var(--border-hairline);
  background: transparent;
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--color-canvas);
    border-bottom: var(--border-hairline);
    display: none;
  }

  .nav-list[data-open='true'] {
    display: flex;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Site footer */
.site-footer {
  padding-block: clamp(2.5rem, 2rem + 2vw, 4rem);
}

.site-footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.footer-fine {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: var(--border-hairline);
  padding-top: 1.5rem;
}