/* ═══════════════════════════════════════════════════════
   Kaylie Kendall Hair — Custom Styles
   ═══════════════════════════════════════════════════════ */

/* ── Base / Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(134, 239, 172, 0.3);
  color: #f0fdf4;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0f1033;
}
::-webkit-scrollbar-thumb {
  background: #252a66;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3d4499;
}

/* ── Navbar Transition ── */
#navbar {
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
}

#navbar.scrolled {
  background: rgba(9, 10, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(134, 239, 172, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.open .mobile-link {
  animation: slideIn 0.4s ease forwards;
  opacity: 1;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Menu Toggle Animation ── */
.menu-line {
  display: block;
}

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-toggle.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 24px;
}

/* ── Service Cards ── */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(134, 239, 172, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.service-card:hover::before {
  opacity: 1;
}

/* ── Scroll Reveal (Progressive Enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Form Select Arrow ── */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386efac' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Focus Visible ── */
:focus-visible {
  outline: 2px solid #86efac;
  outline-offset: 2px;
}

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}