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

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background-color: #eab308;
    color: #102a43;
}

/* Navbar Styles */
#navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(16, 42, 67, 0.08);
}

#navbar.scrolled {
    box-shadow: 0 4px 20px rgba(16, 42, 67, 0.08);
}

/* Service Card Hover */
.service-card {
    will-change: transform;
}

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

/* Gallery Item */
.gallery-item {
    overflow: hidden;
    position: relative;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(16, 42, 67, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

/* Smooth transitions for all interactive elements */
a, button {
    transition: all 0.2s ease;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #eab308;
    outline-offset: 2px;
}

/* Scroll Reveal Animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .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; }
}

/* Mobile menu animation */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form focus states */
input:focus,
select:focus,
textarea:focus {
    border-color: #eab308 !important;
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.15);
}

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

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #627d98;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #486581;
}