/* Custom styles and animations */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
}

/* Smooth scroll offset for fixed navbar */
section[id] {
    scroll-margin-top: 80px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #0a192f;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #112240;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Intersection Observer animations */
.observe-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.observe-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.observe-animate.delay-1 { transition-delay: 0.1s; }
.observe-animate.delay-2 { transition-delay: 0.2s; }
.observe-animate.delay-3 { transition-delay: 0.3s; }
.observe-animate.delay-4 { transition-delay: 0.4s; }
.observe-animate.delay-5 { transition-delay: 0.5s; }
.observe-animate.delay-6 { transition-delay: 0.6s; }

/* Navbar scroll effect */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-menu.open {
    max-height: 300px;
}

/* Service card hover effect */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* Button hover effects */
button, a {
    transition: all 0.3s ease;
}

/* Focus styles for accessibility */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        font-size: 2rem;
    }
    
    section[id] {
        scroll-margin-top: 60px;
    }
}