/* Custom animations and utilities */

@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.animate-pulse-slow {
    animation: pulse-slow 4s ease-in-out infinite;
}

/* Hero fade-in animations */
.hero-fade {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 0.8s ease forwards;
}

.hero-fade:nth-child(1) { animation-delay: 0.1s; }
.hero-fade:nth-child(2) { animation-delay: 0.3s; }
.hero-fade:nth-child(3) { animation-delay: 0.5s; }
.hero-fade:nth-child(4) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

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

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(2, 6, 23, 0.95) !important;
    backdrop-filter: blur(20px) !important;
}

/* Service card hover effects */
.group:hover .group-hover\\:scale-110 {
    transform: scale(1.1);
}

/* Selection color */
::selection {
    background-color: #0d9488;
    color: white;
}