/* ============================================================
   ORBC — NAVIGATION STYLES
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), backdrop-filter 0.4s;
}

.nav--transparent {
  background: transparent;
}

.nav--solid {
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--black-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(200, 16, 46, 0.4));
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__logo-name {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.nav__logo-sub {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

/* Desktop menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white-dim);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

/* CTA button in nav */
.nav__cta {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--red);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius);
  border: 2px solid var(--red);
  transition: all 0.25s var(--ease-out);
  margin-left: 8px;
}

.nav__cta:hover {
  background: transparent;
  color: var(--red);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius);
  border: 1px solid var(--black-border);
  cursor: pointer;
  background: transparent;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav__drawer {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  z-index: 999;
  border-top: 1px solid var(--black-border);
}

.nav__drawer.open {
  transform: translateX(0);
}

.nav__drawer .nav__link {
  font-size: 28px;
  letter-spacing: 0.1em;
  padding: 12px 32px;
  color: var(--white-dim);
}

.nav__drawer .nav__link::after {
  bottom: 8px;
  left: 32px;
  right: 32px;
}

.nav__drawer .nav__cta {
  margin-top: 24px;
  font-size: 16px;
  padding: 16px 48px;
}

/* Responsive */
@media (max-width: 900px) {
  .nav__menu { display: none; }
  .nav__cta.hide-mobile { display: none; }
  .nav__hamburger { display: flex; }
}