/* ============================================
   ORVINIEL — Navigation
   Desktop nav, mega menu, mobile
   ============================================ */

/* ---- Top Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background-color 350ms ease, box-shadow 350ms ease;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 72px;
}

/* Logo */
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 350ms ease;
}

.nav__logo::after {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  background: currentColor;
  flex-shrink: 0;
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-weight: 500;
  font-size: 15px;
  position: relative;
  color: var(--white);
  transition: color 350ms ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--indigo);
  transition: width 280ms ease;
}

.nav__link:hover::after {
  width: 100%;
}

/* Solutions dropdown trigger */
.nav__link--dropdown {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.nav__link--dropdown svg {
  width: 12px;
  height: 12px;
  transition: transform 250ms ease;
}

.nav__link--dropdown.is-open svg {
  transform: rotate(180deg);
}

/* CTA */
.nav__cta {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 12px 24px;
  border-radius: var(--radius);
  background: var(--indigo);
  color: var(--white);
  transition: background-color var(--duration) ease;
}

.nav__cta:hover {
  background: var(--indigo-light);
}

/* ---- Scrolled state ---- */
.nav--scrolled {
  background-color: var(--white);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.nav--scrolled .nav__logo {
  color: var(--ink);
}

.nav--scrolled .nav__link {
  color: var(--ink);
}

.nav--scrolled .nav__link--dropdown svg {
  stroke: var(--ink);
}

/* ---- Light page nav (for pages without dark hero) ---- */
.nav--light .nav__logo {
  color: var(--ink);
}

.nav--light .nav__link {
  color: var(--ink);
}

/* ---- Mega Menu ---- */
.mega-menu {
  position: absolute;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  background: var(--white);
  border-top: 3px solid var(--indigo);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 250ms ease, transform 250ms ease, visibility 250ms ease;
}

.mega-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu__column-label {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid-grey);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--light-grey);
}

.mega-menu__item {
  display: block;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-radius: 2px;
  transition: background-color 200ms ease, border-color 200ms ease;
}

.mega-menu__item:hover {
  background: var(--ivory);
}

.mega-menu__item-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.mega-menu__item-desc {
  font-weight: 400;
  font-size: 13px;
  color: var(--mid-grey);
  margin-top: 2px;
}

/* Product accent borders on hover */
.mega-menu__item--orviniex:hover  { border-left-color: var(--orviniex); }
.mega-menu__item--onegravity:hover { border-left-color: var(--onegravity); }
.mega-menu__item--orvindox:hover  { border-left-color: var(--orvindox); }
.mega-menu__item--oneclique:hover { border-left-color: var(--oneclique); }
.mega-menu__item--onevue:hover    { border-left-color: var(--onevue); }
.mega-menu__item--servorvin:hover { border-left-color: var(--servorvin); }
.mega-menu__item--cloudorvin:hover { border-left-color: var(--cloudorvin); }

/* ---- Mobile ---- */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: background-color 350ms ease, transform 300ms ease, opacity 300ms ease;
}

.nav--scrolled .nav__hamburger span,
.nav--light .nav__hamburger span {
  background: var(--ink);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--dark-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  font-size: 32px;
  font-weight: 600;
  color: var(--white);
  transition: color 200ms ease;
}

.mobile-menu__link:hover {
  color: var(--indigo-subtle);
}

.mobile-menu__cta {
  display: block;
  width: 280px;
  text-align: center;
  margin-top: 16px;
  font-weight: 600;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: var(--radius);
  background: var(--indigo);
  color: var(--white);
}

.mobile-menu__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  color: var(--white);
}