/* Header styles for RIVAROZA */

.rv-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 4, 10, 0.96), rgba(5, 4, 10, 0.9));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border-soft);
}

.rv-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding-block: var(--space-8);
  gap: var(--space-10);
}

/* Brand / logo */
.rv-header__brand {
  display: flex;
  align-items: center;
}

.rv-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  color: var(--color-text);
}

.rv-header__logo-mark {
  position: relative;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at 30% 0%, rgba(255, 89, 90, 0.75), transparent 52%),
              radial-gradient(circle at 80% 120%, rgba(41, 98, 255, 0.9), transparent 52%),
              #05040a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), var(--shadow-soft);
}

.rv-header__logo-icon {
  width: 0.45rem;
  height: 0.7rem;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}

.rv-header__logo-icon--poker {
  background: linear-gradient(145deg, #1c7f4b, #2fcc7d);
}

.rv-header__logo-icon--sports {
  background: linear-gradient(145deg, #2962ff, #6c8dff);
}

.rv-header__logo-text {
  display: flex;
  flex-direction: column;
}

.rv-header__logo-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rv-header__logo-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.rv-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.rv-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.rv-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.rv-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-sports-blue));
  transition: width var(--transition-base);
}

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

.rv-header__nav-link:hover::after,
.rv-header__nav-link:focus-visible::after {
  width: 100%;
}

.rv-header__cta-wrapper {
  margin-left: var(--space-12);
}

.rv-header__cta {
  font-size: 0.7rem;
  padding-inline: 1.3rem;
  white-space: nowrap;
}

/* Toggle button (mobile) */
.rv-header__toggle {
  display: none;
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-soft);
  background-color: rgba(9, 8, 20, 0.8);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 3px;
  cursor: pointer;
}

.rv-header__toggle-bar {
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

/* Toggle animation when open */
.rv-header__toggle[aria-expanded="true"] .rv-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

.rv-header__toggle[aria-expanded="true"] .rv-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .rv-header__inner {
    min-height: 3.5rem;
  }

  .rv-header__toggle {
    display: inline-flex;
  }

  .rv-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-inline: var(--container-padding-x);
    padding-bottom: var(--space-12);
    padding-top: 0;
    background: linear-gradient(to bottom, rgba(5, 4, 10, 0.98), rgba(5, 4, 10, 0.96));
    border-bottom: 1px solid var(--color-border-soft);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .rv-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-6);
  }

  .rv-header__nav-link {
    padding-block: 0.35rem;
    font-size: var(--font-size-md);
  }

  .rv-header__cta-wrapper {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-6);
  }

  .rv-header__cta {
    width: 100%;
    justify-content: center;
  }

  .rv-header__nav--open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
    visibility: visible;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .rv-header__nav,
  .rv-header__toggle-bar {
    transition: none;
  }
}