/* Header styles for Smart Pay Venue */

.spv-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(15,23,42,0.96), rgba(15,23,42,0.94));
  border-bottom: 1px solid rgba(148,163,184,0.35);
}

.spv-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.spv-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.spv-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.spv-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background:
    conic-gradient(from 180deg at 50% 50%, rgba(59,130,246,0.3), rgba(34,211,238,0.8), rgba(168,85,247,0.8), rgba(59,130,246,0.3));
  box-shadow: var(--shadow-neon);
  position: relative;
}

.spv-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 10px;
  background: radial-gradient(circle at 30% 0%, rgba(34,211,238,0.3), transparent 60%),
    rgba(15,23,42,0.95);
  border: 1px solid rgba(148,163,184,0.5);
}

.spv-header__title-main {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.spv-header__title-sub {
  display: block;
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.spv-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.spv-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.spv-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.spv-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-purple));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

.spv-header__nav-link:hover::after,
.spv-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.spv-header__nav-link:hover,
.spv-header__nav-link:focus-visible {
  color: var(--color-text);
}

.spv-header__cta-wrap {
  margin-left: var(--space-4);
}

.spv-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: radial-gradient(circle at 30% 0%, rgba(34,211,238,0.4), transparent 60%), rgba(15,23,42,0.98);
  color: var(--color-text);
}

.spv-header__toggle-bar {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.spv-header__toggle-bar:nth-child(1) {
  top: 12px;
}

.spv-header__toggle-bar:nth-child(2) {
  top: 19px;
}

.spv-header__toggle-bar:nth-child(3) {
  bottom: 12px;
}

.spv-header__toggle[aria-expanded="true"] .spv-header__toggle-bar:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.spv-header__toggle[aria-expanded="true"] .spv-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.spv-header__toggle[aria-expanded="true"] .spv-header__toggle-bar:nth-child(3) {
  bottom: 19px;
  transform: rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 768px) {
  .spv-header__inner {
    padding-block: var(--space-2);
  }

  .spv-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }

  .spv-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: linear-gradient(180deg, rgba(15,23,42,0.98), rgba(15,23,42,0.96));
    border-bottom: 1px solid rgba(148,163,184,0.35);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-4) var(--space-4);
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: max-height var(--transition-slow), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .spv-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .spv-header__nav-link {
    padding-block: 4px;
  }

  .spv-header__cta-wrap {
    margin-left: 0;
    margin-top: var(--space-3);
  }

  .spv-header__nav--open {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
  }
}

/* Medium screens */

@media (min-width: 769px) and (max-width: 1024px) {
  .spv-header__nav-list {
    gap: var(--space-3);
  }

  .spv-header__title-sub {
    display: none;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  .spv-header__nav {
    transition: none;
  }
  .spv-header__toggle-bar {
    transition: none;
  }
}