/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 116px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid transparent;
  transition: height 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled {
  height: 68px;
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.nav__logo { display: flex; align-items: center; text-decoration: none; }
.nav__logo img { height: 96px; width: auto; display: block; transition: height 0.3s ease; }
.nav.scrolled .nav__logo img { height: 44px; }
.nav__logo .logo-long  { display: block; }
.nav__logo .logo-short { display: none; }

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}
.nav__link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-xs);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav__link:hover  { color: var(--primary); background: var(--primary-tint); }
.nav__link.active { color: var(--primary); font-weight: 600; }

.nav__cta {
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  margin-left: 0.5rem;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-xs);
  font-weight: 500;
}
.nav__cta:hover {
  background: var(--primary-dark) !important;
  color: #fff !important;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius-xs);
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: transform var(--transition-md), opacity var(--transition-md);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__logo .logo-long  { display: none; }
  .nav__logo .logo-short { display: block; height: 80px; }

  .nav__links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 1rem 1.5rem 1.5rem;
  }
  .nav__links.open { display: flex; }
  .nav__link {
    padding: 0.75rem 0.5rem;
    width: 100%;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    font-size: 1rem;
  }
  .nav__cta {
    margin: 0.75rem 0 0;
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 0.75rem;
    border-radius: var(--radius-xs);
  }
  .nav__hamburger { display: flex; }
}