/* Header styles for Social Shuffle */

.ss-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  background: linear-gradient(to bottom, rgba(5, 5, 17, 0.96), rgba(5, 5, 17, 0.92));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ss-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

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

.ss-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.ss-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: conic-gradient(from 210deg, var(--color-primary), var(--color-accent-blue), var(--color-accent-pink), var(--color-primary));
  box-shadow: 0 0 18px rgba(143, 92, 255, 0.9);
  position: relative;
}

.ss-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 11px;
  background: radial-gradient(circle at 30% 10%, rgba(255, 255, 255, 0.4), transparent 55%),
    radial-gradient(circle at 70% 90%, rgba(40, 209, 255, 0.4), transparent 60%),
    var(--color-bg-card);
}

.ss-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

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

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

/* Navigation */

.ss-header__nav {
  display: flex;
}

.ss-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ss-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.ss-header__nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-blue));
  opacity: 0;
  transform: scaleX(0.4) translateY(3px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

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

.ss-header__nav-link:hover::after,
.ss-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1) translateY(0);
}

.ss-header__nav-item--cta .ss-header__nav-link--cta {
  padding-inline: 1.25rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
  border-radius: var(--radius-pill);
}

.ss-header__nav-item--cta .ss-header__nav-link--cta::after {
  display: none;
}

.ss-header__nav-item--cta .ss-header__nav-link--cta:hover,
.ss-header__nav-item--cta .ss-header__nav-link--cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 0 26px rgba(143, 92, 255, 0.9);
}

/* Mobile toggle */
.ss-header__toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  padding: 0.45rem 0.7rem;
  background: rgba(7, 7, 30, 0.9);
}

.ss-header__toggle-box {
  position: relative;
  width: 20px;
  height: 16px;
}

.ss-header__toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  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);
}

.ss-header__toggle-line--top {
  top: 0;
}

.ss-header__toggle-line--middle {
  top: 7px;
}

.ss-header__toggle-line--bottom {
  bottom: 0;
}

/* Mobile layout */

@media (max-width: 767px) {
  .ss-header__inner {
    padding-block: var(--space-3);
  }

  .ss-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .ss-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top, rgba(26, 16, 51, 0.98) 0, rgba(5, 5, 17, 0.98) 50%, rgba(2, 1, 10, 0.98) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

  .ss-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
  }

  .ss-header__nav-link {
    width: 100%;
    padding-block: 0.65rem;
  }

  .ss-header__nav-item--cta {
    width: 100%;
  }

  .ss-header__nav-item--cta .ss-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  .ss-header--nav-open .ss-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .ss-header--nav-open .ss-header__toggle-line--top {
    top: 7px;
    transform: rotate(45deg);
  }

  .ss-header--nav-open .ss-header__toggle-line--middle {
    opacity: 0;
  }

  .ss-header--nav-open .ss-header__toggle-line--bottom {
    bottom: 7px;
    transform: rotate(-45deg);
  }
}

@media (min-width: 768px) {
  .ss-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
}