/* Header styles for Acestriva */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 6, 10, 0.98), rgba(5, 6, 10, 0.92));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

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

/* Branding */
.site-header__brand {
  display: flex;
  align-items: center;
}

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

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 0%, #ff4b4b 0%, #ff3b6a 40%, #111521 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary-glow);
}

.site-header__logo-icon {
  font-size: 1.1rem;
}

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

.site-header__logo-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header__logo-subtitle {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
}

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

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-block: 0.4rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), #ff3b6a);
  transition: width var(--transition-base);
}

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

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

.site-header__nav-item--primary .site-header__nav-link--cta {
  padding-inline: 1.25rem;
  padding-block: 0.55rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), #ff3b6a);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

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

.site-header__nav-item--primary .site-header__nav-link--cta:hover,
.site-header__nav-item--primary .site-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, #ff6363, #ff4b8a);
  box-shadow: var(--shadow-md), var(--shadow-primary-glow);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.92) 0, #020617 100%);
  color: var(--color-text);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast),
    width var(--transition-fast);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.site-header__toggle--open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

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

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98) 0, #020617 60%, #000 100%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .site-header__nav-item--primary {
    width: 100%;
    margin-top: var(--space-2);
  }

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

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

@media (max-width: 480px) {
  .site-header__logo-subtitle {
    display: none;
  }
}