/* ============================================
   Dr. Lloyd K. Adkins, DDS — Custom Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: rgba(22, 101, 52, 0.15);
    color: #166534;
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
    background: transparent;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu.closed {
    transform: translateX(100%);
}

.menu-line {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menu-toggle.active .menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 1.25rem;
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    transition: background-color 0.5s ease;
}

.service-card h3 {
    transition: color 0.3s ease;
}

/* ============================================
   Scroll Reveal Animations (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .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; }
}

/* Ensure content is visible without JS */
@media not all and (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Form Focus Styles
   ============================================ */
input:focus,
textarea:focus {
    border-color: #166534 !important;
    box-shadow: 0 0 0 3px rgba(22, 101, 52, 0.1) !important;
    outline: none !important;
}

/* ============================================
   Smooth Scroll Offset for Anchored Links
   ============================================ */
[id] {
    scroll-margin-top: 80px;
}

/* ============================================
   Image Loading
   ============================================ */
img {
    background-color: #e7e5e4;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar, #menu-toggle, #mobile-menu {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
}