/* ============================= */
/* HEADER */
/* ============================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 38px 0;
  z-index: 2000;
  background: linear-gradient(
    to bottom,
    rgba(10, 20, 35, 0.28) 0%,
    rgba(10, 20, 35, 0.12) 45%,
    rgba(10, 20, 35, 0) 100%
  );
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.nav-wrapper {
  width: 94%;
  max-width: 1900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px 1fr;
  align-items: center;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 60px;
}

.nav-left {
  justify-content: flex-end;
  padding-right: 35px;
}

.nav-right {
  justify-content: flex-start;
  padding-left: 35px;
}

/* ============================= */
/* NAV LINK STYLING */
/* ============================= */

.nav-left a,
.nav-right a,
.nav-phone {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.22);
}

/* Only top-level nav links get underline */
.nav-left > a,
.nav-right > a,
.nav-left > .nav-item > a,
.nav-right > .nav-item > a {
  position: relative;
}

/* Animated underline */
.nav-left > a::after,
.nav-right > a::after,
.nav-left > .nav-item > a::after,
.nav-right > .nav-item > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

/* Hover underline */
.nav-left > a:hover::after,
.nav-right > a:hover::after,
.nav-left > .nav-item > a:hover::after,
.nav-right > .nav-item > a:hover::after {
  transform: scaleX(1);
}

/* Active page underline */
.nav-left > a.active::after,
.nav-right > a.active::after,
.nav-left > .nav-item > a.active::after,
.nav-right > .nav-item > a.active::after {
  transform: scaleX(1);
}

/* ============================= */
/* LOGO */
/* ============================= */

/* ============================= */
/* LOGO (DUAL VERSION SWITCH) */
/* ============================= */

.nav-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-logo a {
  position: relative;
  display: block;
  width: 220px;   /* adjust if needed */
  height: 85px;   /* controls logo size */
}

/* Both logos stacked */
.nav-logo .logo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Default (hero / transparent navbar) */
.nav-logo .logo--light {
  opacity: 1;
  transform: scale(1);
}

.nav-logo .logo--dark {
  opacity: 0;
  transform: scale(0.96);
}

/* Scrolled (white navbar) */
.site-header.scrolled .logo--light {
  opacity: 0;
  transform: scale(1.04);
}

.site-header.scrolled .logo--dark {
  opacity: 1;
  transform: scale(1);
}

/* Optional: shrink logo on scroll */
.site-header.scrolled .nav-logo a {
  width: 185px;
  height: 58px;
}
/* ============================= */
/* STICKY HEADER STATES */
/* ============================= */

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.10);
  padding: 22px 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header.scrolled .nav-left a,
.site-header.scrolled .nav-right a,
.site-header.scrolled .nav-phone {
  color: #1f2937;
  text-shadow: none;
}

.site-header.scrolled .nav-logo img {
  height: 58px;
  filter: none;
}

/* ============================= */
/* DROPDOWN */
/* ============================= */

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  min-width: 260px;

  background: rgba(28, 38, 54, 0.74);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 12px 30px rgba(0,0,0,0.22);

  z-index: 1000;

  opacity: 0;
  visibility: hidden;

  transform: scaleY(0.85);
  transform-origin: top;

  transition:
    opacity 0.22s ease,
    transform 0.48s ease;

  pointer-events: none;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -18px;
  left: 0;
  width: 100%;
  height: 18px;
}

.dropdown-menu a {
  display: block;
  padding: 14px 20px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.92);
}

.dropdown-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: scaleY(1);
  pointer-events: auto;
}

/* ============================= */
/* DROPDOWN WHEN HEADER SCROLLED */
/* ============================= */

.site-header.scrolled .dropdown-menu {
  background: #ffffff;
  border: 1px solid #ddd;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.site-header.scrolled .dropdown-menu a {
  color: #1f2937;
}

.site-header.scrolled .dropdown-menu a:hover {
  background: #f5f5f5;
}

/* ============================= */
/* MOBILE NAV TOGGLE */
/* ============================= */

.mobile-nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  z-index: 2200;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #ffffff;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.site-header.scrolled .mobile-nav-toggle span {
  background: #1f2937;
}

.site-header.mobile-open .mobile-nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-header.mobile-open .mobile-nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.mobile-open .mobile-nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================= */
/* MOBILE NAV PANEL */
/* ============================= */

.mobile-nav {
  display: none;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
}

.mobile-single-link,
.mobile-nav-parent > a,
.mobile-phone {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  font-weight: 500;
  color: #1f2937;
  padding: 16px 0;
  border-bottom: 1px solid rgba(31, 41, 55, 0.08);
}

.mobile-phone {
  font-weight: 600;
}

.mobile-nav-item {
  border-bottom: 1px solid rgba(31, 41, 55, 0.08);
}

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

.mobile-nav-parent > a {
  flex: 1;
  border-bottom: none;
  padding-right: 10px;
}

.mobile-submenu-toggle {
  position: relative;
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-submenu-toggle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: #1f2937;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.mobile-submenu-toggle span:last-child {
  transform: translate(-50%, -50%) rotate(90deg);
}

.mobile-nav-item.open .mobile-submenu-toggle span:last-child {
  transform: translate(-50%, -50%) rotate(0deg);
}

.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-submenu a {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #4b5563;
  padding: 12px 0 12px 18px;
}

.mobile-submenu a:last-child {
  padding-bottom: 18px;
}

/* ============================= */
/* RESPONSIVE NAVBAR */
/* ============================= */

@media (max-width: 1100px) {
  .site-header,
  .site-header.scrolled {
    padding: 18px 0;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: none;
  }

  .nav-wrapper {
    width: 92%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    order: 3;
    width: 42px;
    height: 42px;
  }

  .mobile-nav-toggle span,
  .site-header.scrolled .mobile-nav-toggle span {
    width: 22px;
    background: #1f2937;
    transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
  }

  .nav-logo {
    justify-content: flex-start;
    order: 1;
  }

  /* Lock mobile logo to one fixed size */
  .nav-logo a,
  .site-header.scrolled .nav-logo a {
    width: 185px;
    height: 58px;
  }

  /* Always show dark logo on mobile */
  .nav-logo .logo--light,
  .site-header.scrolled .nav-logo .logo--light {
    opacity: 0 !important;
    transform: scale(1) !important;
  }

  .nav-logo .logo--dark,
  .site-header.scrolled .nav-logo .logo--dark {
    opacity: 1 !important;
    transform: scale(1) !important;
  }

  .mobile-nav {
    display: block;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(31, 41, 55, 0.08);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.14);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s ease;
  }

  .mobile-nav-inner {
    padding: 14px 20px 18px;
  }

  .site-header.mobile-open .mobile-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .nav-wrapper {
    width: 90%;
  }

  .nav-logo a,
  .site-header.scrolled .nav-logo a {
    width: 185px;
    height: 58px;
  }

  .mobile-nav-inner {
    padding: 12px 18px 16px;
  }

  .mobile-single-link,
  .mobile-nav-parent > a,
  .mobile-phone {
    font-size: 13px;
    letter-spacing: 1.2px;
    padding: 15px 0;
  }

  .mobile-submenu a {
    font-size: 11px;
    padding: 11px 0 11px 16px;
  }
}

@media (max-width: 480px) {
  .nav-wrapper {
    width: 88%;
  }

  .nav-logo a,
  .site-header.scrolled .nav-logo a {
    width: 185px;
    height: 58px;
  }

  .mobile-nav-toggle {
    width: 40px;
    height: 40px;
  }

  .mobile-nav-toggle span,
  .site-header.scrolled .mobile-nav-toggle span {
    width: 20px;
  }
}

/* ============================= */
/* STAGGERED DROPDOWN LINK ANIMATION */
/* ============================= */

.dropdown-menu a {
  display: block;
  padding: 14px 20px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.92);
  opacity: 0;
  transform: translateY(-55px);
  transition:
    opacity 0.22s ease,
    transform 0.22s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.dropdown:hover .dropdown-menu a {
  opacity: 1;
  transform: translateY(0);
}

.dropdown:hover .dropdown-menu a:nth-child(1) { transition-delay: 0.04s; }
.dropdown:hover .dropdown-menu a:nth-child(2) { transition-delay: 0.09s; }
.dropdown:hover .dropdown-menu a:nth-child(3) { transition-delay: 0.14s; }
.dropdown:hover .dropdown-menu a:nth-child(4) { transition-delay: 0.19s; }
.dropdown:hover .dropdown-menu a:nth-child(5) { transition-delay: 0.24s; }