/* ============================================
   DR. PHILIP W. COOPER JR — HEALING BTSPC
   Premium Dark Luxury Medical Website
   ============================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 169, 110, 0.3);
    color: #fff;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A0A0A;
}
::-webkit-scrollbar-thumb {
    background: #2A2A2A;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #C9A96E;
}

/* ---- Scroll Indicator Animation ---- */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(40px); opacity: 0; }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.8s ease-in-out infinite;
}

/* ---- Service Card Hover ---- */
.service-card {
    transform: translateY(0);
}

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

/* ---- Mobile Menu Animation ---- */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.4s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.5s; }

/* ---- Mobile Menu Toggle Animation ---- */
.menu-line {
    transition: all 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

body.menu-open #menu-toggle .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
body.menu-open #menu-toggle .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
body.menu-open #menu-toggle .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.5rem;
}

/* ---- Scroll Reveal (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; }
}

/* ---- Focus Styles ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C9A96E;
    outline-offset: 2px;
}

/* ---- Image Placeholder Fallback ---- */
img {
    background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
}

/* ---- Navbar Glass Effect ---- */
.navbar-scrolled {
    background: rgba(10, 10, 10, 0.9) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

/* ---- Form Input Autofill ---- */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #1A1A1A inset !important;
    -webkit-text-fill-color: #fff !important;
}