/*
 * Navigation
 *
 * Primary horizontal nav (desktop) + slide-in drawer (mobile).
 *
 * Developed by: Rhyll Neri
 */

.header__nav {
  display: flex;
  justify-content: center;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 1.1vw, 1.25rem);
  list-style: none;
  padding: 0;
  margin: 0;
}

.header__nav-item {
  position: relative;
}

.header__nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: var(--space-3) 2px;
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
  position: relative;
  transition: color var(--dur-200) var(--ease-out);
}

/* Slightly smaller nav type on the tighter desktop band before the drawer. */
@media (max-width: 1200px) {
  .header__nav-link { font-size: var(--fs-13, 0.8125rem); }
}

.header__nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-300) var(--ease-out);
}

.header__nav-link:hover,
.header__nav-link:focus,
.header__nav-item--current > .header__nav-link {
  color: var(--color-primary);
}

.header__nav-link:hover::after,
.header__nav-link:focus::after,
.header__nav-item--current > .header__nav-link::after {
  transform: scaleX(1);
}

/* Submenus */
.header__nav-item--has-children > .header__nav-link::before {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 4px;
  margin-top: -3px;
  transition: transform var(--dur-200) var(--ease-out);
}

.header__nav-item--has-children:hover > .header__nav-link::before { transform: rotate(225deg); margin-top: 2px; }

.sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 8px);
  min-width: 240px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3) 0;
  list-style: none;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-200) var(--ease-out), transform var(--dur-200) var(--ease-out);
  z-index: var(--z-header);
}

.header__nav-item:hover > .sub-menu,
.header__nav-item:focus-within > .sub-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.sub-menu li a {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: var(--fs-14);
  color: var(--color-ink);
  border-left: 3px solid transparent;
  transition: background var(--dur-150) var(--ease-out), border-color var(--dur-150), color var(--dur-150);
}

.sub-menu li a:hover {
  background: var(--color-mist);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

@media (max-width: 1120px) {
  .header__nav { display: none; }
}

/* ---- Mobile Drawer ---- */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  pointer-events: none;
}

.mobile-nav__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15,27,34,0.55);
  opacity: 0;
  transition: opacity var(--dur-300) var(--ease-out);
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(420px, 100vw);
  background: var(--color-white);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-300) var(--ease-out);
  box-shadow: var(--shadow-xl);
}

.mobile-nav.is-open {
  pointer-events: auto;
}

.mobile-nav.is-open .mobile-nav__backdrop { opacity: 1; }
.mobile-nav.is-open .mobile-nav__panel { transform: translateX(0); }

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__close {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-mist);
  border-radius: 50%;
  color: var(--color-ink);
}

.mobile-nav__body {
  overflow-y: auto;
  padding: var(--space-4) var(--space-6) var(--space-8);
  flex: 1;
}

.mobile-nav__menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav__menu li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__menu a {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--fs-18);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
  font-family: var(--font-display);
}

.mobile-nav__menu .sub-menu {
  position: static;
  transform: none;
  opacity: 1;
  pointer-events: auto;
  box-shadow: none;
  padding: 0 0 var(--space-3) var(--space-5);
  background: transparent;
}

.mobile-nav__menu .sub-menu a {
  padding: var(--space-2) 0;
  font-size: var(--fs-15, 0.95rem);
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  color: var(--color-text-muted);
  border: 0;
}

.mobile-nav__footer {
  padding: var(--space-5) var(--space-6) var(--space-7);
  border-top: 1px solid var(--color-border);
}

.mobile-nav__cta {
  width: 100%;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.mobile-nav__socials {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.mobile-nav__socials a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-mist);
  color: var(--color-primary);
  transition: background var(--dur-200), color var(--dur-200);
}

.mobile-nav__socials a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}