/* ============================================================
   HIBEX REVAMP — Navigation & Footer
   ============================================================ */

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(13, 31, 60, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.nav.scrolled {
  background: rgba(13, 31, 60, 0.98);
  box-shadow: 0 2px 24px rgba(0,0,0,0.2);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--col-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--col-navy);
  letter-spacing: -0.02em;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav__logo-tagline {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: -2px;
}

/* Main menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  border-radius: var(--radius-md);
  transition: color var(--dur-fast), background var(--dur-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__item.active > .nav__link {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav__link-arrow {
  width: 14px;
  height: 14px;
  opacity: 0.5;
  transition: transform var(--dur-fast);
}

.nav__item:hover .nav__link-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* Mega dropdown */
.nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  min-width: 520px;
  background: var(--col-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--col-border-light);
  padding: var(--space-6);
  gap: var(--space-4);
  grid-template-columns: repeat(2, 1fr);
  z-index: var(--z-dropdown);
}

.nav__item:hover .nav__dropdown {
  display: grid;
}

.nav__dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--dur-fast);
  text-decoration: none;
  color: inherit;
}

.nav__dropdown-item:hover {
  background: var(--col-grey-50);
}

.nav__dropdown-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--col-cyan-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-lg);
}

.nav__dropdown-text-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--col-text);
  margin-bottom: 2px;
}

.nav__dropdown-text-desc {
  font-size: var(--text-xs);
  color: var(--col-text-muted);
  line-height: 1.4;
}

/* Nav actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger (mobile) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--dur-base) var(--ease-out);
}

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

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

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

/* Mobile nav drawer */
.nav__drawer {
  display: none;
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: var(--col-navy);
  z-index: calc(var(--z-nav) - 1);
  overflow-y: auto;
  padding: var(--space-6) var(--gutter) var(--space-12);
}

.nav__drawer.open {
  display: block;
}

.nav__drawer-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-family: var(--font-display);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav__drawer-link:hover {
  color: var(--col-cyan);
}

.nav__drawer-sub {
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
}

.nav__drawer-sub-link {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.nav__drawer-sub-link:hover {
  color: var(--col-cyan);
}

@media (max-width: 1024px) {
  .nav__menu,
  .nav__actions .btn:not(.nav__cta) {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--col-grey-900);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand {
  max-width: 320px;
}

.footer__brand .nav__logo {
  margin-bottom: var(--space-4);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
  transition: all var(--dur-fast);
}

.footer__social-link:hover {
  border-color: var(--col-cyan);
  color: var(--col-cyan);
  background: rgba(0,194,224,0.08);
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--dur-fast);
}

.footer__link:hover {
  color: var(--col-cyan);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-5);
}

.footer__bottom-link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  transition: color var(--dur-fast);
}

.footer__bottom-link:hover {
  color: rgba(255,255,255,0.6);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-3);
}

.footer__contact-icon {
  width: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--col-cyan);
}

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}