/* Header styles for YouFollowMe Français */

.yf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(11, 23, 38, 0.96), rgba(11, 23, 38, 0.9));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

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

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

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

.yf-header__logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 20% 0, var(--color-accent-gold), var(--color-primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #020617;
  box-shadow: var(--shadow-subtle);
}

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

.yf-header__logo-title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.yf-header__logo-subtitle {
  font-size: 0.8rem;
  color: var(--color-accent-gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Navigation */
.yf-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.yf-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.yf-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

.yf-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary));
  transition: width var(--duration-base) var(--timing-ease);
}

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

.yf-header__nav-link:hover,
.yf-header__nav-link:focus-visible {
  color: var(--color-gray-50);
}

.yf-header__cta {
  margin-left: var(--space-2);
}

.yf-header__cta-btn {
  font-size: 0.75rem;
  padding-inline: 1.3rem;
  padding-block: 0.55rem;
}

/* Mobile toggle */
.yf-header__toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--color-text);
  background-color: rgba(15, 23, 42, 0.7);
}

.yf-header__toggle:hover {
  border-color: var(--color-accent-gold);
}

.yf-header__toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.yf-header__toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-100);
  transition: transform var(--duration-base) var(--timing-ease),
    opacity var(--duration-base) var(--timing-ease),
    width var(--duration-base) var(--timing-ease);
}

.yf-header__toggle-text {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Toggle active state */
.yf-header__toggle[aria-expanded="true"] .yf-header__toggle-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.yf-header__toggle[aria-expanded="true"] .yf-header__toggle-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .yf-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

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

  .yf-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    transform-origin: top;
    transform: scaleY(1);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    flex-direction: column;
    align-items: stretch;
    padding-inline: var(--space-4);
    background: radial-gradient(circle at top, #162447 0, #0b1726 60%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transition: max-height var(--duration-slow) var(--timing-ease),
      opacity var(--duration-base) var(--timing-ease);
  }

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

  .yf-header__nav-link {
    font-size: 0.95rem;
  }

  .yf-header__cta {
    padding-bottom: var(--space-4);
    margin-left: 0;
  }

  .yf-header__nav--open {
    max-height: 380px;
    opacity: 1;
  }
}

/* Medium breakpoint refinements */
@media (min-width: 769px) and (max-width: 1024px) {
  .yf-header__nav-list {
    gap: var(--space-3);
  }

  .yf-header__nav-link {
    font-size: 0.85rem;
  }
}

/* Focus styles */
.yf-header__toggle:focus-visible,
.yf-header__logo-link:focus-visible,
.yf-header__nav-link:focus-visible,
.yf-header__cta-btn:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}