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

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

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

/* Fade-in animations */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.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; }

/* Selection color */
::selection {
    background-color: rgba(94, 234, 212, 0.3);
    color: #0a2540;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a2540;
}
::-webkit-scrollbar-thumb {
    background: rgba(94, 234, 212, 0.4);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(94, 234, 212, 0.6);
}

/* Nav scroll state */
nav.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Image hover zoom container */
.group img {
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Input autofill style */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}