/* ========================================
   RESPONSIVE.CSS - Media Queries
======================================== */

/* ========== TABLET (768px) ========== */
@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

/* ========== MOBILE (max 991px) ========== */
@media (max-width: 991px) {
    /* Header Mobile */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .btn-nav {
        width: 80%;
        margin: 0 auto;
    }
    
    /* Hero */
    .hero {
        height: 80vh;
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    /* Sections */
    .section-padding {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-3xl);
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ========== MOBILE SMALL (max 576px) ========== */
@media (max-width: 576px) {
    :root {
        --font-5xl: 2rem;
        --font-4xl: 1.75rem;
        --font-3xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-base);
    }
    
    .btn-lg {
        padding: 12px 24px;
        font-size: var(--font-base);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: var(--font-2xl);
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top {
        bottom: 20px;
        left: 20px;
    }
    
    .page-header h1 {
        font-size: var(--font-3xl);
    }
}

/* ========== DESKTOP LARGE (min 1200px) ========== */
@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .differentials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========== PRINT ========== */
@media print {
    .header,
    .whatsapp-float,
    .back-to-top,
    .hamburger {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    a {
        text-decoration: underline;
    }
}