/* RuraFix Header Styles */

.rf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: radial-gradient(circle at top left, rgba(79, 181, 201, 0.12), transparent 55%),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.73), rgba(15, 23, 42, 0.86));
  color: #ffffff;
}

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

.rf-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: inherit;
  text-decoration: none;
}

.rf-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 30% 70% 60% 40%;
  background: conic-gradient(from 210deg, #4fb5c9, #1f4f7b, #163854, #4fb5c9);
  box-shadow: var(--shadow-md);
  position: relative;
}

.rf-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.85), transparent 55%),
    radial-gradient(circle at 80% 90%, rgba(148, 163, 184, 0.8), transparent 50%);
  mix-blend-mode: screen;
}

.rf-header__logo-text {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Nav */
.rf-header__nav {
  display: flex;
}

.rf-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.rf-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  padding-block: 0.15rem;
}

.rf-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), #e0edf7);
  border-radius: 999px;
  transition: width var(--transition-normal);
}

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

.rf-header__nav-link:hover,
.rf-header__nav-link:focus-visible {
  color: #ffffff;
}

.rf-header__nav-link--accent {
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-accent), #8be1f2);
  color: #0b1120;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.35);
}

.rf-header__nav-link--accent::after {
  display: none;
}

.rf-header__nav-link--accent:hover,
.rf-header__nav-link--accent:focus-visible {
  transform: translateY(-1px);
}

/* Mobile toggle */
.rf-header__toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
}

.rf-header__toggle-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.rf-header__toggle-box {
  width: 22px;
  height: 18px;
  position: relative;
}

.rf-header__toggle-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.9);
  transition: transform var(--transition-normal), opacity var(--transition-fast), top var(--transition-normal), bottom var(--transition-normal);
}

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

.rf-header__toggle-line--middle {
  top: 50%;
  transform: translateY(-50%);
}

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

/* Mobile state */
@media (max-width: 768px) {
  .rf-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .rf-header__nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: calc(56px + env(safe-area-inset-top, 0));
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .rf-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: 1rem;
  }

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

  .rf-header--menu-open .rf-header__toggle-line--top {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .rf-header--menu-open .rf-header__toggle-line--middle {
    opacity: 0;
  }

  .rf-header--menu-open .rf-header__toggle-line--bottom {
    bottom: auto;
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
  }

  .rf-header__nav-link--accent {
    width: 100%;
    text-align: center;
  }
}

/* Focus styles integration */
.rf-header__toggle:focus-visible,
.rf-header__logo:focus-visible,
.rf-header__nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-pill);
}

@supports not (backdrop-filter: blur(10px)) {
  .rf-header {
    background: #020617;
  }
}