/* Animation classes */
.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

.service-card, .project-card {
    opacity: 0;
    transform: translateY(30px);
}

.about-text, .cta-content {
    opacity: 0;
}

/* Header scroll effect */
.header.scrolled {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.header {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hamburger animation */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.hamburger span {
    transition: all 0.3s ease;
}

/* Lazy loading */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}