.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (max-width: 992px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: rgba(248, 249, 250, 0.98);
        backdrop-filter: blur(10px);
        padding: 30px;
        transition: 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .hamburger.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-link {
        padding: 10px;
        font-size: 1.125rem;
        display: block;
        color: var(--secondary-navy);
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        margin: 15px 0;
    }
    
    .matrix {
        width: 250px;
        height: 250px;
    }
    
    .matrix-circle {
        width: 100px;
        height: 100px;
        font-size: 0.875rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    
    .content-grid .content-text {
        order: 2;
    }
    
    .content-grid .content-visual {
        order: 1;
    }
    
    .services-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .service-card {
        padding: 20px !important;
    }
    
    .key-points {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
        margin-top: 30px !important;
    }
    
    .grid-2 {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .btn-header {
        display: none;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
        min-height: auto;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
        margin: 18px 0;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
     .contact-card-content{
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 60px;
        min-height: auto;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .contact-card-content{
        font-size: 13px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
        margin: 18px 0;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
    .centering{
     flex-direction: column;
    }
    .btn{
        margin-top: 12px;
        margin-bottom: 10px;
        padding: 10px 17px
    }
    .content-visual{
        display: none;
    }
    
    .cta-section {
        padding: 30px 20px;
        margin-top: 30px;
    }
    
    .cta-section-center {
        margin: 30px auto 0;
    }
    
    .cta-buttons-flex {
        flex-direction: column;
        gap: 12px;
    }
    
    .cta-buttons-flex .btn {
        width: 100%;
        max-width: 280px;
    }
}