/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (min-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .instructor__layout {
        grid-template-columns: 5fr 7fr;
    }
    
    .contact__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 1024px) {
    .nav {
        position: fixed;
        top: 0;
        right: -120%;
        width: min(360px, 82vw);
        height: 100dvh;
        background: linear-gradient(145deg, rgba(247, 241, 232, 0.98), rgba(242, 201, 105, 0.75));
        border-left: 1px solid rgba(255, 255, 255, 0.5);
        box-shadow: -20px 0 40px rgba(0, 0, 0, 0.08);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        transition: right var(--transition-slow);
        z-index: 999;
        padding: var(--spacing-2xl) var(--spacing-lg);
        overflow-y: auto;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav.active .nav__list {
        display: flex;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav__link {
        font-size: 1.25rem;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 640px) {
    .hero__cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__cta .btn {
        width: 100%;
    }
    
    .about__pillars {
        justify-content: center;
    }
    
    .benefits__grid {
        grid-template-columns: 1fr;
    }
    
    .classes__grid {
        grid-template-columns: 1fr;
    }
}