/* ==========================================================================
   Page Specific Styles - Vietnam Night 2026
   ========================================================================== */

/* --- Header / Navbar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-sm) 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition-normal);
}

.header.scrolled {
  background: rgba(10, 6, 4, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
}

.header.scrolled .logo {
  background: #ffffff;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.header-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-gold-main);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-gold-main);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after {
  width: 100%;
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-image: url('../assets/hero-bg-notext.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-dark-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  margin-inline: auto;
}

.hero-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
  letter-spacing: 1px;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Why Us Section --- */
.why-us .glass-card {
  text-align: center;
  height: 100%;
}

.why-icon {
  font-size: 3rem;
  color: var(--color-gold-main);
  margin-bottom: var(--spacing-sm);
}

.why-us h3 {
  color: var(--color-gold-light);
}

.why-us p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* --- Privileges Section --- */
.privileges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.privilege-list {
  list-style: none;
}

.privilege-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.privilege-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-gold-main);
}

.privilege-list li strong {
  color: var(--color-text-primary);
}

/* --- Sponsorship Packages --- */
.packages-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.package-card {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.package-card.featured {
  border-color: var(--color-gold-main);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
  transform: scale(1.05);
  z-index: 2;
}

.featured-badge {
  position: absolute;
  top: 15px;
  right: -35px;
  background: var(--gradient-gold);
  color: var(--color-bg-primary);
  padding: 5px 40px;
  transform: rotate(45deg);
  font-weight: bold;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.package-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-gold-main);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

.package-price {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.package-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.package-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.package-features li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.package-features li i {
  color: var(--color-gold-main);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* --- Contact & Footer --- */
.contact-section {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.footer {
  text-align: center;
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}

/* --- Form Messages --- */
.form-message {
  margin-top: var(--spacing-sm);
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(46, 204, 113, 0.1);
  color: #2ecc71;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.form-message.error {
  display: block;
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

/* --- Toast Notification --- */
.toast-notification {
  position: fixed;
  top: 88px;
  right: 24px;
  z-index: 1200;
  min-width: 280px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 175, 55, 0.24);
  background:
    linear-gradient(135deg, rgba(26, 16, 10, 0.96), rgba(49, 30, 15, 0.92));
  color: var(--color-text-primary);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  transform: translate3d(0, -12px, 0);
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.toast-notification.show {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.toast-notification.success {
  border-color: rgba(46, 204, 113, 0.45);
}

.toast-notification.error {
  border-color: rgba(231, 76, 60, 0.45);
}

/* --- Mobile Menu --- */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-gold-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 5px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .mobile-menu-btn {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 60px;
    right: -100%;
    width: 250px;
    height: calc(100vh - 60px);
    background: rgba(10, 6, 4, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    transition: right var(--transition-normal);
    border-left: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
  }
  .nav-links.active {
    right: 0;
  }
  .section {
    padding: calc(var(--spacing-md) * 1.5) 0;
  }
  .privileges-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .package-card.featured {
    transform: none;
  }
  .section-title {
    font-size: 2rem;
  }
  .toast-notification {
    top: 76px;
    right: 16px;
    left: 16px;
    min-width: 0;
    max-width: none;
  }
}