/* ============================================
   Capital Chiropractic & Rehab — Custom Styles
   ============================================ */

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Prevent scroll when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

/* ========== NAVIGATION ========== */
#site-header {
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.nav-link {
  position: relative;
}

/* ========== HERO ========== */
.hero-blob {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* ========== SERVICE CARDS ========== */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========== MOBILE NAV LINKS ========== */
.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-weight: 500;
  color: #475569;
  transition: background 0.2s, color 0.2s;
}

.mobile-nav-link:hover {
  background: #f0fdfa;
  color: #0d9488;
}

/* ========== FORM STYLES ========== */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

/* ========== TESTIMONIAL CARDS ========== */
.testimonial-card {
  transition: background 0.3s ease, transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

/* ========== BACK TO TOP ========== */
#back-to-top {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  transform: translateY(10px);
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-2px);
}

/* ========== UTILITY ========== */
::selection {
  background: #99f6e4;
  color: #042f2e;
}

/* Subtle pattern overlay for hero */
.hero-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}