/* Header-specific styles for szinostage.com
   Builds on base.css (variables, typography, layout, burger base) */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 40;
  height: var(--header-height);
  background: rgba(5, 5, 9, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-12);
  color: var(--color-text);
}

.site-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 30% 20%, #ff6b8a, var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

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

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-24);
}

.nav__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  position: relative;
  padding-block: 4px;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: #ffffff;
}

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

.nav__link--cta {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-sm);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover,
.nav__link--cta:focus-visible {
  background: #ffffff;
  color: #000000;
}

.site-header__toggle {
  display: none;
  background: transparent;
  border-radius: var(--radius-full);
  padding: 0.35rem 0.4rem;
  color: var(--color-text);
}

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

/* Mobile / tablet navigation */
@media (max-width: 768px) {
  .site-header {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
  }

  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-12);
  }

  .site-header__toggle {
    display: inline-flex;
    position: static;
    margin: 0;
    margin-left: auto;
    z-index: 50;
  }

  /* Keep normal horizontal padding while using full-width header content */
  .container.site-header__inner {
    max-width: 100%;
    width: 100%;
  }

  .site-header__brand {
    min-width: 0;
  }

  .site-header__brand-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-header__nav {
    position: fixed;
    left: 0;
    right: 0;
    width: 100vw; /* ensure full viewport width */
    top: var(--header-height);
    background: rgba(5, 5, 9, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    box-sizing: border-box;
    padding-inline: 0; /* remove container padding so it reaches edges */
    z-index: 45;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch; /* let each link span full width */
    padding: var(--space-16);
    gap: var(--space-16);
    width: 100%;
    max-width: none;
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    font-size: var(--font-size-base);
  }

  /* Burger animation */
  .site-header__toggle.is-active .burger__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .site-header__toggle.is-active .burger__line:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle.is-active .burger__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

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