/* frontend/public/css/components/nav.css */

/* ============================================
   NAVIGATION
   ============================================ */

/* Navigation Container */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
  transition: background-color var(--transition-base),
              backdrop-filter var(--transition-base),
              box-shadow var(--transition-base);
}

/* Transparent State (on hero) */
nav.nav--transparent {
  background-color: transparent;
}

nav.nav--transparent .nav__link,
nav.nav--transparent .nav__logo-text {
  color: var(--color-text-inverse);
}

nav.nav--transparent .nav__menu-button span {
  background-color: var(--color-text-inverse);
}

/* Scrolled State */
nav.nav--scrolled {
  background-color: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

nav.nav--scrolled .nav__link,
nav.nav--scrolled .nav__logo-text {
  color: var(--color-text-primary);
}

nav.nav--scrolled .nav__menu-button span {
  background-color: var(--color-text-primary);
}

/* Navigation Inner */
.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav__logo-image {
  height: 40px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  transition: color var(--transition-base);
}

/* Desktop Menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

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

/* Mobile Menu Button */
.nav__menu-button {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile Menu Overlay */
.nav__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-bg-primary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.nav__mobile-menu .nav__link {
  font-size: var(--text-2xl);
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav__menu {
    display: none;
  }

  .nav__menu-button {
    display: flex;
  }
}