/* Navbar 
Three states:
1. Transparent — sitting over a hero image (default)
2. is-scrolled — white background, dark text (after hero)
3. is-scrolled immediately — on pages with no hero
*/

/* BASE 
position: fixed keeps navbar at top while page scrolls.
We start transparent so it blends into the hero image.
*/
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-4);
  background: transparent;
  transition:
    background var(--duration-slow) var(--ease-expo),
    box-shadow var(--duration-slow) var(--ease-expo),
    padding var(--duration-slow) var(--ease-expo);
}

/* SCROLLED STATE 
JS adds .is-scrolled when page scrolls past the hero.
Also added immediately on pages that have no hero.
*/
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: var(--space-3);
  box-shadow: 0 1px 0 var(--color-border);
}

/* INNER LAYOUT 
Three columns: logo | links | cta+hamburger */
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* LOGO */
.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0; /* prevents logo from shrinking on mobile */
  text-decoration: none;
}

.nav__logo-img {
  height: 80px;
  width: auto;
  display: block;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.nav.is-scrolled .nav__logo-img {
  height: 66px;
}

.nav__logo:hover .nav__logo-img {
  opacity: 0.85;
}

/* DESKTOP LINKS
Hidden on mobile - hamburger shows instead 
*/
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: #fff;
  position: relative;
  transition:
    color var(--duration-fast) var(--ease-standard),
    opacity var(--duration-fast) var(--ease-standard);
}
/* Animated underline using ::after pseudo element */
.nav__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-expo);
}

/* Show underline on hover and active pages */
.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__link:hover {
  opacity: 0.75;
}

/* When scrolled - links switch to dark text */
.nav.is-scrolled .nav__link {
  color: var(--color-text-primary);
}

.nav.is-scrolled .nav__link:hover {
  color: var(--color-brand);
  opacity: 1;
}

.nav.is-scrolled .nav__link.is-active {
  color: var(--color-brand);
}

/* CTA BUTTON */
.nav__cta {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Gold button over hero */
.nav__cta .btn--primary {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-brand-deep);
}

.nav__cta .btn--primary:hover {
  background: #a88858;
  border-color: #a88858;
  color: #fff;
}

/* Navy button when scrolled */
.nav.is-scrolled .nav__cta .btn--primary {
  background: var(--color-brand);
  border-color: var(--color-brand);
  color: #fff;
}

.nav.is-scrolled .nav__cta .btn--primary:hover {
  background: var(--color-brand-deep);
  border-color: var(--color-brand-deep);
}

/* ── HAMBURGER ───────────────────────────────────────────────────
   Three <span> elements styled as lines.
   JS adds .is-open to animate them into an X.
── */
.nav__hamburger {
  display: none; /* hidden on desktop */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff; /* white over hero */
  border-radius: 2px;
  transition:
    transform var(--duration-slow) var(--ease-expo),
    opacity var(--duration-fast) var(--ease-standard),
    background var(--duration-fast) var(--ease-standard);
  transform-origin: center;
}

/* Dark lines when scrolled */
.nav.is-scrolled .nav__hamburger span {
  background: var(--color-text-primary);
}

/* Animate three lines into an X when menu is open */
.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

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

/* Force white lines when menu is open regardless of scroll state */
.nav__hamburger.is-open span {
  background: #fff !important;
}

/* ── MOBILE BACKDROP ── */
.nav__backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 2);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.nav__backdrop.is-visible {
  opacity: 1;
  pointer-events: all;
}

/* ── MOBILE MENU ── */
.nav__mobile {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: #0e1236;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  /* Slides up from bottom */
  transform: translateY(100%);
  transition:
    opacity var(--duration-slow) var(--ease-expo),
    transform var(--duration-slow) var(--ease-expo);
}

.nav__mobile.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* ── TOP BAR ── */
.nav__mobile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.nav__mobile-brand {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

/* Close button — two spans become an X */
.nav__mobile-close {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

/* The two lines that form the X */
.nav__mobile-close span {
  display: block;
  position: absolute;
  width: 14px;
  height: 1px;
  background: var(--color-gold);
  border-radius: 2px;
}

.nav__mobile-close span:nth-child(1) {
  transform: rotate(45deg);
}

.nav__mobile-close span:nth-child(2) {
  transform: rotate(-45deg);
}

.nav__mobile-close:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.nav__mobile-close:hover span {
  background: var(--color-brand-deep);
}

/* ── MAIN PANEL ── */
.nav__mobile-panel {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── LEFT: CONTACT INFO ── */
.nav__mobile-info {
  width: 42%;
  padding: var(--space-8) var(--space-5) var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-6);
  border-right: 0.5px solid rgba(255, 255, 255, 0.07);
  flex-shrink: 0;
}

.nav__mobile-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav__mobile-info-label {
  font-size: 9px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin: 0;
}

.nav__mobile-info-value {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--leading-loose);
  margin: 0;
  text-decoration: none;
}

a.nav__mobile-info-value:hover {
  color: var(--color-gold);
}

/* WhatsApp badge */
.nav__mobile-wa {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(37, 211, 102, 0.1);
  border: 0.5px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: #25d366;
  text-decoration: none;
  width: fit-content;
  transition: background var(--duration-fast) var(--ease-standard);
}

.nav__mobile-wa:hover {
  background: rgba(37, 211, 102, 0.2);
}

.nav__mobile-wa-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #25d366;
  flex-shrink: 0;
}

/* ── RIGHT: NAV LINKS ── */
.nav__mobile-links {
  flex: 1;
  padding: var(--space-8) var(--space-6) var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: var(--space-1);
  position: relative;
}

/* Gold vertical accent line on right edge */
.nav__mobile-line {
  position: absolute;
  right: 0;
  top: var(--space-8);
  bottom: var(--space-8);
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-gold) 30%,
    var(--color-gold) 70%,
    transparent 100%
  );
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  line-height: var(--leading-snug);
  padding: var(--space-1) var(--space-5) var(--space-1) 0;
  text-align: right;
  transition: color var(--duration-fast) var(--ease-standard);

  /* Start state for stagger animation */
  opacity: 0;
  transform: translateX(20px);
  transition:
    color var(--duration-fast) var(--ease-standard),
    opacity 0.45s var(--ease-expo),
    transform 0.45s var(--ease-expo);
}

.nav__mobile-link:hover {
  color: var(--color-gold);
}

.nav__mobile-link.is-active {
  color: var(--color-gold);
}

/* Stagger links in when menu opens */
.nav__mobile.is-open .nav__mobile-link:nth-child(2) {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.1s;
}
.nav__mobile.is-open .nav__mobile-link:nth-child(3) {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.16s;
}
.nav__mobile.is-open .nav__mobile-link:nth-child(4) {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.22s;
}
.nav__mobile.is-open .nav__mobile-link:nth-child(5) {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.28s;
}
.nav__mobile.is-open .nav__mobile-link:nth-child(6) {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.34s;
}

/* ── BOTTOM CTA ── */
.nav__mobile-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: var(--color-gold);
  text-decoration: none;
  flex-shrink: 0;
  transition: background var(--duration-fast) var(--ease-standard);
}

.nav__mobile-cta:hover {
  background: #a88858;
}

.nav__mobile-cta span {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-brand-deep);
}

.nav__mobile-cta-arrow {
  font-size: var(--text-lg);
  color: var(--color-brand-deep);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav__links {
    display: none;
  }
  .nav__cta {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
}

@media (max-width: 768px) {
  .nav__logo-img {
    height: 68px;
  }
  .nav.is-scrolled .nav__logo-img {
    height: 56px;
  }
}

@media (max-width: 480px) {
  .nav {
    padding-block: var(--space-3);
  }
  .nav.is-scrolled {
    padding-block: var(--space-2);
  }
  .nav__logo-img {
    height: 58px;
  }
  .nav.is-scrolled .nav__logo-img {
    height: 48px;
  }

  .nav__mobile-link {
    font-size: var(--text-2xl);
  }
}

/* Hide navbar when mobile menu is open */
.nav.is-menu-open {
  opacity: 0;
  pointer-events: none;
}