/* ============================================
   CHAAT.CA — Navigation (Dark)
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  padding: 1.2rem 0;
  transition: all var(--duration-med) var(--ease-out);
}

.nav--scrolled {
  background: rgba(15, 11, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--text-faint);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: none;
  margin: 0;
}

.nav__logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
  text-decoration: none;
  position: relative;
}

/* Warm saffron spotlight — illuminates the logo like a street food lamp */
.nav__logo::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 44%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 60px;
  background: radial-gradient(
    ellipse at center,
    rgba(232, 168, 56, 0.28) 0%,
    rgba(232, 168, 56, 0.10) 45%,
    transparent 70%
  );
  filter: blur(14px);
  pointer-events: none;
  transition: opacity var(--duration-med) var(--ease-out);
  z-index: 0;
  opacity: 0.7;
}

.nav__logo:hover::before {
  opacity: 1;
}

.nav__logo-crop {
  display: block;
  overflow: visible;
  height: 30px;
  position: relative;
  z-index: 1;
  transition: height var(--duration-fast) var(--ease-out);
}

/* Inner glow — tight, bright core behind .CA */
.nav__logo-crop::after {
  content: '';
  position: absolute;
  top: 40%;
  right: -2px;
  transform: translateY(-50%);
  width: 36px;
  height: 22px;
  background: radial-gradient(
    ellipse at center,
    rgba(160, 100, 240, 0.42) 0%,
    rgba(140, 80, 220, 0.18) 55%,
    transparent 80%
  );
  filter: blur(5px);
  pointer-events: none;
  z-index: -1;
}

/* Outer bloom — wide, soft ambient purple haze */
.nav__logo-crop::before {
  content: '';
  position: absolute;
  top: 38%;
  right: -8px;
  transform: translateY(-50%);
  width: 56px;
  height: 30px;
  background: radial-gradient(
    ellipse at center,
    rgba(130, 80, 210, 0.24) 0%,
    rgba(110, 60, 190, 0.08) 50%,
    transparent 75%
  );
  filter: blur(11px);
  pointer-events: none;
  z-index: -1;
  animation: caBreath 4s ease-in-out infinite;
}

@keyframes caBreath {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.nav__logo img {
  height: 36px;
  width: auto;
  display: block;
  filter:
    brightness(1.18)
    drop-shadow(0 0 1px rgba(245, 210, 100, 0.55))
    drop-shadow(0 0 22px rgba(232, 168, 56, 0.14))
    drop-shadow(0 0 3px rgba(150, 90, 230, 0.25));
  transition:
    height var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    filter var(--duration-fast) var(--ease-out);
}


.nav__logo:hover img {
  transform: translateY(-1px);
  filter:
    brightness(1.30)
    drop-shadow(0 0 1.5px rgba(245, 210, 100, 0.70))
    drop-shadow(0 0 30px rgba(232, 168, 56, 0.22))
    drop-shadow(0 0 5px rgba(150, 90, 230, 0.40));
}

/* Hover: brighten inner glow */
.nav__logo:hover .nav__logo-crop::after {
  background: radial-gradient(
    ellipse at center,
    rgba(170, 110, 250, 0.55) 0%,
    rgba(140, 80, 220, 0.25) 55%,
    transparent 80%
  );
}

/* Hover: expand outer bloom */
.nav__logo:hover .nav__logo-crop::before {
  opacity: 1;
  animation: none;
  filter: blur(16px);
  background: radial-gradient(
    ellipse at center,
    rgba(140, 90, 220, 0.32) 0%,
    rgba(110, 60, 190, 0.12) 50%,
    transparent 75%
  );
}

.nav__logo-tagline {
  font-family: var(--font-body);
  font-size: 0.5rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 2px;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.nav--scrolled .nav__logo-crop {
  height: 25px;
}

.nav--scrolled .nav__logo img {
  height: 30px;
}

.nav--scrolled .nav__logo-tagline {
  opacity: 0;
  height: 0;
  margin: 0;
  overflow: hidden;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__cta {
  font-size: 0.65rem;
  padding: 0.8em 1.8em;
}

/* ---- Hamburger ---- */

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  z-index: calc(var(--z-nav) + 1);
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--duration-med) var(--ease-out);
  transform-origin: center;
}

.nav__hamburger.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---- Mobile Overlay ---- */

.nav__mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-med) var(--ease-out);
}

.nav__mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-overlay a {
  font-family: var(--font-body);
  font-size: var(--fs-h3);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav__mobile-overlay a:hover {
  color: var(--saffron);
}

.nav__mobile-overlay .btn {
  all: unset;
  position: relative;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: #1a1408;
  cursor: pointer;
  margin-top: var(--space-md);
  padding: 0.85em 2.2em;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    105deg,
    #a67c39 0%,
    #e0c04f 18%,
    #f5d576 35%,
    #bf8f35 52%,
    #f5d576 68%,
    #d1ab5e 82%,
    #a67c39 100%
  );
  background-size: 220% 100%;
  animation: goldShimmer 3.5s ease-in-out infinite;
  box-shadow:
    0 0 18px rgba(232, 168, 56, 0.25),
    0 4px 12px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.nav__mobile-overlay .btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255, 255, 255, 0.18) 45%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.18) 55%,
    transparent 80%
  );
  animation: goldSweep 4s ease-in-out 1.5s infinite;
  pointer-events: none;
}

.nav__mobile-overlay .btn:hover {
  color: #1a1408;
  transform: scale(1.03);
  box-shadow:
    0 0 28px rgba(232, 168, 56, 0.4),
    0 6px 16px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

@keyframes goldShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes goldSweep {
  0% { left: -100%; opacity: 0; }
  15% { opacity: 1; }
  50% { left: 140%; opacity: 1; }
  51% { opacity: 0; }
  100% { left: 140%; opacity: 0; }
}