/* ============================================
   Allergy Medical Associates — Custom Styles
   ============================================ */

/* Base reset & smooth scrolling */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

/* Selection color */
::selection {
  background: rgba(232, 106, 80, 0.3);
  color: #fff;
}

/* ============================================
   Hero Animations
   ============================================ */
.hero-anim {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s ease forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.25s; }
.hero-anim:nth-child(3) { animation-delay: 0.4s; }
.hero-anim:nth-child(4) { animation-delay: 0.55s; }
.hero-anim:nth-child(5) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   Hidden by default, revealed via JS or reduced-motion
   ============================================ */
.scroll-trigger {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scroll-trigger.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* For browsers that support prefers-reduced-motion, keep content visible */
@media (prefers-reduced-motion: no-preference) {
  .scroll-trigger {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .scroll-trigger.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   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(232, 106, 80, 0), transparent);
  transition: background 0.5s ease;
}

.service-card:hover::before {
  background: linear-gradient(90deg, transparent, rgba(232, 106, 80, 0.5), transparent);
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: rgba(26, 29, 35, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobileMenu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-link {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-link:last-child {
  border-bottom: none;
}

/* ============================================
   Form Focus States
   ============================================ */
input:focus,
textarea:focus {
  outline: none;
}

/* ============================================
   Smooth anchor scrolling offset for fixed nav
   ============================================ */
section[id] {
  scroll-margin-top: 80px;
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 767px) {
  section[id] {
    scroll-margin-top: 70px;
  }

  .hero-anim {
    animation-name: heroFadeInMobile;
  }

  @keyframes heroFadeInMobile {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* ============================================
   Print styles
   ============================================ */
@media print {
  #navbar,
  #contactForm,
  #formSuccess {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}