/* ============================================================
   KMP Energy — nav.css
   Navigation bar and language toggle
   ============================================================ */

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 56px;
  height: 72px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

/* ── Logo area ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo img {
  height: 46px;
  width: auto;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 14px;
  border-left: 1px solid var(--border);
}

.nav-logo-mark {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--green-dark);
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav-logo-mark span { color: var(--green-accent); }

.nav-logo-tagline {
  font-size: 10px;
  color: var(--light-text);
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ── Nav right: links + lang toggle ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--mid);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green-dark); }

.nav-cta {
  background: var(--green-dark) !important;
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: var(--radius-md);
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--green-mid) !important; }

/* ── Language toggle ── */
.lang-toggle {
  display: flex;
  background: var(--green-faint);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
}

.lang {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--mid);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  user-select: none;
}
.lang.active {
  background: var(--green-dark);
  color: #fff;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-links { display: none; }
}