body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #222;
}

/* Hero section */
.hero {
    height: 100vh;
    background: linear-gradient(to bottom right, #0a0a0a, #333);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #ff9800;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    margin-top: 20px;
}

/* Sections */
.section {
    padding: 80px 20px;
    text-align: center;
}

.section.dark {
    background: #222;
    color: white;
}

/* Cards */
.services {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 20px;
    width: 250px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1s forwards;
}

.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }

.slide-up {
    opacity: 0;
    transform: translateY(40px);
    animation: slideUp 1s forwards;
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    animation: zoomIn 0.8s forwards;
}

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

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

@keyframes zoomIn {
    to { opacity: 1; transform: scale(1); }
}