/* ════════════════════════════════════════════════════════════════════
   NAVIGATION — desktop nav, hamburger, mobile overlay
   Part of the rene-kurzok stylesheet. Load order matters (cascade).
   ════════════════════════════════════════════════════════════════════ */

/* ── NAV ─────────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 28px 0;
  transition: padding .4s var(--ease), background .4s var(--ease);
}

#nav.scrolled {
  padding: 10px 0;
  background: rgba(12, 27, 46, .86);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(238, 132, 32, .12);
}

#nav.scrolled .nav-logo-img {
  height: 40px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity .3s;
}

.nav-logo:hover .nav-logo-img {
  opacity: .85;
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .65);
  transition: color .3s;
}

.nav-links a:hover {
  color: #fff;
}

/* Active section (scroll-spy) */
.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--accent);
}

/* CTA */
.nav-cta {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--cta-text);
  background: var(--cta);
  padding: 12px 22px;
  border-radius: 2px;
  white-space: nowrap;
  transition: background .3s, transform .3s;
}

.nav-cta:hover {
  background: var(--cta-l);
  transform: translateY(-1px);
}

/* ── HAMBURGER ───────────────────────────────────────────────────────── */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 11px;
  margin-right: -11px;
  background: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.nav-burger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: #fff;
  transition: transform .35s var(--ease), opacity .3s;
}

.nav-burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ── MOBILE OVERLAY ──────────────────────────────────────────────────── */
.nav-mob {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--navy);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
}

.nav-mob.open {
  display: flex;
}

.nav-mob a {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 300;
  color: rgba(255, 255, 255, .85);
  letter-spacing: .02em;
  transition: color .3s;
}

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

.nav-mob .mob-cta {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cta-text);
  background: var(--cta);
  padding: 16px 36px;
  border-radius: 2px;
  margin-top: 12px;
}