:root {
    --bs-primary: #4a90e2;
    --primary-blue: #4a90e2;
    --secondary-blue: #7fb8d3;
    --light-blue: #e3f2fd;
    --soft-green: #74ebd5;
    --accent-green: #43e97b;
    --text-dark: #2c3e50;
    --text-muted: #5a6c7d;
    --bg-light: #fafbfc;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #fafbfc;
}
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
    animation: fadeInUp 1s ease-out 0.4s both;
}
h2.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    margin-bottom: 3rem;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #7fb8d3);
    border-radius: 2px;
}

.card {
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    }

    .card:nth-child(1) {
        animation-delay: 0s;
    }

    .card:nth-child(2) {
        animation-delay: 0.1s;
    }

    .card:nth-child(3) {
        animation-delay: 0.2s;
    }

.fade-in:nth-child(1) {
    animation-delay: 0.1s;
}

.fade-in:nth-child(2) {
    animation-delay: 0.2s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.3s;
}

.fade-in:nth-child(4) {
    animation-delay: 0.4s;
}

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

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

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .section-title {
        font-size: 2rem;
    }

    .treatment-card {
        padding: 2rem 1.5rem;
    }
}


.card:nth-child(2) .center-gallery {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.card:nth-child(3) .center-gallery {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}