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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(245, 158, 11, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0a0e17;
}

::-webkit-scrollbar-thumb {
    background: rgba(91, 44, 111, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(91, 44, 111, 0.8);
}

/* Selection highlight for headings */
h1, h2, h3 {
    text-wrap: balance;
}

/* Service Card Hover Animation */
.service-card {
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                background 0.4s ease, 
                border-color 0.4s ease,
                box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(245, 158, 11, 0.1);
}

/* Navbar Transition States */
.nav-scrolled {
    background: rgba(10, 14, 23, 0.9) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Mobile Menu Transitions */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Fade-in animation for scroll reveals */
.fade-in {
    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);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay utilities */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* Select styling */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506.004z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Input autofill styling */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px rgba(255, 255, 255, 0.05) inset !important;
    -webkit-text-fill-color: #fff !important;
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, rgba(91, 44, 111, 0.1) 0%, rgba(17, 24, 39, 0.3) 100%);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid rgba(245, 158, 11, 0.6);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    .service-card {
        padding: 1.5rem;
    }
}

/* Large desktop */
@media (min-width: 1280px) {
    .service-card {
        padding: 2rem;
    }
}