/* Custom styles for Central Neurodiagnostic Services */

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1d3658;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2d4a6e;
}

/* Selection color */
::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #fff;
}

/* Reset default margins */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal animations - progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Gold gradient text utility */
.text-gold-gradient {
    background: linear-gradient(135deg, #d4a853 0%, #c9a227 50%, #b8911f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtle glow effect */
.glow-gold {
    box-shadow: 0 0 40px rgba(212, 168, 83, 0.15);
}

/* Input autofill styling */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0a1628 inset !important;
    -webkit-text-fill-color: #fff !important;
}

/* Mobile menu animation */
.mobile-menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Image lazy loading fade */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid #d4a853;
    outline-offset: 2px;
}

/* Button hover lift */
button, a {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Card hover effects */
.group:hover .group-hover\:translate-y-0 {
    transform: translateY(0);
}

/* Prevent layout shift on images */
img {
    max-width: 100%;
    height: auto;
}