/*
 * Sonder Digital - Navigation Styles
 * Hamburger Menu & Header
 */

/* ==================== Header ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: calc(var(--nav-height) + 10px);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
}

/* ==================== Logo ==================== */
.logo {
  display: flex;
  align-items: center;
  height: 60px;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  height: 100%;
  width: auto;
}

/* ==================== Hamburger Button ==================== */
.hamburger {
  position: absolute;
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
  transition: transform var(--transition-base);
}

.hamburger:hover {
  transform: translateY(-50%) scale(1.1);
}

.hamburger-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-blue);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hamburger-line:nth-child(1) {
  top: 0;
}

.hamburger-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-line:nth-child(3) {
  bottom: 0;
}

/* Hamburger Animation (Open State) */
.hamburger.active .hamburger-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.hamburger.active .hamburger-line:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* ==================== Navigation Drawer ==================== */
.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 400px;
  max-width: 80vw;
  background-color: var(--white);
  box-shadow: var(--shadow-xl);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  z-index: 1050;
  overflow-y: auto;
  padding-top: calc(var(--nav-height) + 10px);
}

.nav-drawer.active {
  transform: translateX(0);
}

.nav-content {
  padding: var(--space-xl) var(--space-lg);
}

/* ==================== Navigation Logo ==================== */
.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg) 0;
}

.nav-logo img {
  height: var(--nav-logo-height);
  width: auto;
}

.nav-logo h3 {
  font-size: var(--font-xl);
  font-weight: var(--fw-bold);
  color: var(--primary-blue);
  margin: 0;
}

/* ==================== Navigation Overlay ==================== */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==================== Navigation Sections ==================== */
.nav-section {
  margin-bottom: var(--space-2xl);
}

.nav-section:last-child {
  margin-bottom: 0;
}

.nav-section-title {
  font-size: var(--font-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  padding-left: var(--space-sm);
}

.nav-links {
  list-style: none;
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-sm);
  font-size: var(--font-md);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background-color: var(--neutral-gray);
  color: var(--primary-blue);
  padding-left: var(--space-md);
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: width var(--transition-fast);
}

.nav-link:hover::before {
  width: 4px;
}

.nav-link.active {
  color: var(--primary-blue);
  background-color: rgba(126, 174, 211, 0.1);
}

/* ==================== CTA in Navigation ==================== */
.nav-cta {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.nav-cta .btn {
  width: 100%;
  justify-content: center;
}

/* ==================== Body Lock (when nav is open) ==================== */
body.nav-open {
  overflow: hidden;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
  .nav-drawer {
    width: 300px;
  }

  .nav-link {
    font-size: var(--font-sm);
  }

  .header-container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  .nav-drawer {
    width: 100%;
    max-width: 100vw;
  }

  .logo {
    height: var(--nav-logo-mobile-height);
  }

  .nav-logo img {
    height: var(--nav-logo-mobile-height);
  }
}