/* ============================================
   Shere Adair, MD — Premium Dark Luxury Theme
   ============================================ */

/* 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-color: rgba(201, 169, 110, 0.3);
  color: #F5F0E8;
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
  background: transparent;
  transition: background-color 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
  background: rgba(7, 14, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(201, 169, 110, 0.1);
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
  transition: color 0.3s ease;
}

.mobile-menu-open #menuBtn .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-open #menuBtn .menu-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.mobile-menu-open #menuBtn .menu-line:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(5px, -5px);
}

#mobileMenu.menu-open {
  opacity: 1;
  pointer-events: all;
}

/* ============================================
   Reveal Animations (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .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; }

  .service-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .service-card.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Input Focus States
   ============================================ */
input:focus, textarea:focus {
  border-bottom-color: rgba(201, 169, 110, 0.6) !important;
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #070E0A;
}

::-webkit-scrollbar-thumb {
  background: rgba(201, 169, 110, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(201, 169, 110, 0.5);
}

/* ============================================
   Responsive adjustments
   ============================================ */
@media (max-width: 767px) {
  .font-serif {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }
}