/* Global reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* Header / navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-7);
  background-color: transparent;
  transition:
    background-color var(--transition-slow),
    backdrop-filter var(--transition-slow),
    box-shadow var(--transition-slow),
    height var(--transition-base);
}

nav.scrolled {
  background-color: rgba(20, 10, 4, 0.93);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
  height: var(--nav-h-sm);
}

.logo-wrap {
  flex-shrink: 0;
  line-height: 0;
}

.logo-full {
  height: 52px;
  display: block;
  transition: opacity var(--transition-base);
}

.logo-sm {
  height: 42px;
  display: none;
  transition: opacity var(--transition-base);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
}

.nav-links > li {
  position: relative;
}

.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--color-text-on-dark);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links > li > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 1.5px;
  background: var(--color-primary-light);
  transition:
    left var(--transition-fast),
    right var(--transition-fast);
}

.nav-links > li > a:hover,
.nav-links > li:focus-within > a {
  color: var(--color-primary-light);
}

.nav-links > li > a:hover::after,
.nav-links > li:focus-within > a::after {
  left: 0.8rem;
  right: 0.8rem;
}

.nav-links .cta-link > a {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1.1rem;
  border-radius: 0;
}

.nav-links .cta-link > a::after {
  display: none;
}

.nav-links .cta-link > a:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
}

.nav-links .has-dropdown > a .chevron {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.nav-links .has-dropdown:hover > a .chevron,
.nav-links .has-dropdown:focus-within > a .chevron {
  transform: rotate(-135deg) translateY(-2px);
}

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 220px;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(200, 113, 26, 0.08);
  padding: var(--space-2) 0;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
  z-index: 200;
}

.dropdown::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 11px;
  height: 11px;
  background: var(--color-dark-2);
  border-top: 1px solid var(--color-border-dark);
  border-left: 1px solid var(--color-border-dark);
  border-radius: 2px 0 0 0;
}

.nav-links .has-dropdown:hover .dropdown,
.nav-links .has-dropdown:focus-within .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.65rem 1.2rem;
  text-decoration: none;
  color: var(--color-text-on-dark);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    padding-left var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(200, 113, 26, 0.12);
  color: var(--color-primary-light);
  padding-left: 1.5rem;
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border-dark);
  margin: var(--space-2) 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition:
    transform 0.35s,
    opacity 0.35s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h-sm);
  left: 0;
  right: 0;
  background: rgba(15, 8, 2, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--space-5) var(--space-6) var(--space-6);
  transform: translateY(-110%);
  transition: transform var(--transition-slow);
  max-height: calc(100vh - var(--nav-h-sm));
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu > ul > li {
  border-bottom: 1px solid var(--color-border-dark);
}

.mobile-menu > ul > li > a {
  display: block;
  padding: var(--space-4) 0;
  text-decoration: none;
  color: var(--color-text-on-dark);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    color var(--transition-fast),
    padding-left var(--transition-fast);
}

.mobile-menu > ul > li > a:hover {
  color: var(--color-primary-light);
  padding-left: var(--space-2);
}

.mob-services-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  background: none;
  border: none;
  color: var(--color-text-on-dark);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mob-services-toggle:hover {
  color: var(--color-primary-light);
}

.mob-chevron {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.mob-services-toggle.open .mob-chevron {
  transform: rotate(-135deg);
}

.mob-services-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease-out);
}

.mob-services-panel.open {
  max-height: 400px;
}

.mob-services-panel a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.75rem var(--space-4);
  text-decoration: none;
  color: var(--color-text-on-dark-2);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition:
    color var(--transition-fast),
    padding-left var(--transition-fast);
  border-left: 2px solid rgba(200, 113, 26, 0.25);
  margin-left: var(--space-2);
  margin-bottom: 2px;
}

.mob-services-panel a:hover {
  color: var(--color-primary-light);
  padding-left: var(--space-5);
  border-left-color: var(--color-primary-light);
}

@media (max-width: 900px) {
  nav {
    padding: 0 var(--space-5);
    height: var(--nav-h-sm);
  }
  .logo-full {
    display: none;
  }
  .logo-sm {
    display: block;
  }
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    display: block;
  }
}

/* Custom scrollbar */
*::-webkit-scrollbar {
  width: 10px;
}
*::-webkit-scrollbar-track {
  background: var(--color-dark-2);
}
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 0;
}
*::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}