/* ===== RESPONSIVE MEDIA QUERIES ===== */

/* Mobile First Base Styles */
@media (max-width: 480px) {
    html {
        font-size: 16px;
    }
    
    .row {
        max-width: 100%;
        margin: 0;
        padding: 0 10px;
    }
    
    /* Header adjustments */
    header {
        background-attachment: scroll;
        height: 70vh;
        min-height: 400px;
    }
    
    .hero-text-box h1 {
        font-size: 28px;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .btn {
        display: block;
        margin: 10px auto;
        padding: 15px 25px;
        font-size: 16px;
        width: 90%;
        max-width: 280px;
        text-align: center;
    }
    
    /* Navigation for mobile */
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        padding: 20px 0;
        transform: translateY(-100vh);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
    }
    
    .main-nav li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    
    .main-nav li a {
        font-size: 18px;
        padding: 15px 20px;
        display: block;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .logo {
        height: 40px;
    }
}

/* Small Mobile Devices */
@media (max-width: 767px) {
    html {
        font-size: 18px;
    }
    
    .container, .row {
        padding: 0 15px;
    }
    
    /* Grid system - all columns become full width */
    .col.span_1_of_4,
    .col.span_2_of_4,
    .col.span_3_of_4,
    .col.span_4_of_4,
    .col.span_1_of_3,
    .col.span_2_of_3,
    .col.span_3_of_3,
    .col.span_1_of_2,
    .col.span_2_of_2 {
        width: 100%;
        margin-left: 0;
        margin-bottom: 30px;
    }
    
    /* Section adjustments */
    section {
        padding: 60px 0;
    }
    
    /* Features section */
    .section-features h2 {
        font-size: 28px;
        margin-bottom: 25px;
    }
    
    .section-features > .row > p {
        width: 100%;
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .section-features .col {
        margin-bottom: 40px;
    }
    
    .section-features ion-icon {
        font-size: 45px;
    }
    
    .section-features h3 {
        font-size: 20px;
    }
    
    .section-features p {
        font-size: 16px;
    }
    
    /* Meals section */
    .meals-showcase {
        flex-direction: column;
        gap: 15px;
    }
    
    .meals-showcase li {
        width: 100%;
        max-width: none;
    }
    
    /* Steps section */
    .section-steps .col {
        text-align: center;
    }
    
    .steps-box img {
        width: 70%;
        max-width: 300px;
        margin-bottom: 30px;
    }
    
    .work-step {
        text-align: left;
        justify-content: flex-start;
        margin-bottom: 20px;
    }
    
    .work-step div {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .work-step p {
        font-size: 16px;
    }
    
    .btn-app1 img,
    .btn-app2 img {
        height: 60px;
        margin: 10px 5px 0 0;
    }
    
    /* Cities section */
    .section-cities h2 {
        font-size: 28px;
    }
    
    .section-cities .col {
        margin-bottom: 40px;
    }
    
    .section-cities img {
        height: 180px;
    }
    
    .section-cities h3 {
        font-size: 24px;
    }
    
    .city-feature {
        font-size: 16px;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    /* Testimonials section */
    .section-testimonials {
        background-attachment: scroll;
        padding: 80px 0;
    }
    
    .section-testimonials h2 {
        font-size: 28px;
    }
    
    .section-testimonials blockquote {
        font-size: 16px;
        padding: 25px 20px;
        margin-bottom: 20px;
    }
    
    .section-testimonials cite img {
        width: 50px;
        height: 50px;
    }
    
    /* Plans section */
    .section-plans {
        background-attachment: scroll;
    }
    
    .section-plans h2 {
        font-size: 28px;
    }
    
    .plan-box {
        margin-bottom: 30px;
        padding: 30px 20px;
    }
    
    .plan-price {
        font-size: 24px;
    }
    
    .plan-price-meal {
        font-size: 14px;
    }
    
    /* Form section */
    .section-form form {
        padding: 30px 20px;
        max-width: 100%;
    }
    
    .section-form .row {
        flex-direction: column;
        align-items: stretch;
        margin-bottom: 20px;
    }
    
    .section-form label {
        margin-bottom: 8px;
        text-align: left;
    }
    
    .section-form input[type="text"],
    .section-form input[type="email"],
    .section-form select,
    .section-form textarea {
        width: 100%;
    }
    
    .section-form textarea {
        min-height: 100px;
    }
    
    .section-form input[type="submit"] {
        width: 100%;
        max-width: 200px;
        margin: 0 auto;
    }
    
    /* Footer */
    .footer .row:first-child {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .footer-nav li:not(:last-child)::after {
        content: none;
    }
    
    .social-links {
        justify-content: center;
        gap: 20px;
    }
}

/* Tablet Portrait */
@media (min-width: 768px) and (max-width: 991px) {
    html {
        font-size: 19px;
    }
    
    .row {
        max-width: 750px;
    }
    
    /* Grid adjustments for tablet */
    .col.span_1_of_4 {
        width: 49.2%;
    }
    
    .col.span_1_of_4:nth-child(odd) {
        margin-left: 0;
    }
    
    .col.span_1_of_4:nth-child(even) {
        margin-left: 1.6%;
    }
    
    /* Navigation adjustments */
    .main-nav {
        gap: 20px;
    }
    
    .main-nav li a {
        font-size: 16px;
        padding: 6px 12px;
    }
    
    /* Hero section */
    .hero-text-box h1 {
        font-size: 42px;
    }
    
    /* Features section */
    .section-features > .row > p {
        width: 85%;
    }
    
    /* Steps section */
    .steps-box img {
        width: 60%;
    }
    
    /* Cities section */
    .section-cities img {
        height: 200px;
    }
    
    /* Plans section */
    .plan-box {
        padding: 35px 25px;
    }
}

/* Tablet Landscape & Small Desktop */
@media (min-width: 992px) and (max-width: 1199px) {
    .row {
        max-width: 970px;
    }
    
    .main-nav {
        gap: 25px;
    }
    
    .main-nav li a {
        font-size: 17px;
    }
    
    .hero-text-box h1 {
        font-size: 46px;
    }
    
    .section-features > .row > p {
        width: 75%;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .row {
        max-width: 1140px;
    }
    
    .hero-text-box h1 {
        font-size: 50px;
    }
    
    .section-features > .row > p {
        width: 70%;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize images and icons for retina displays */
    .logo,
    .steps-box img,
    .section-cities img,
    .section-testimonials cite img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    header {
        height: 90vh;
    }
    
    .hero-text-box h1 {
        font-size: 32px;
        margin-bottom: 15px;
    }
    
    .btn {
        padding: 10px 20px;
        margin: 5px;
    }
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    header,
    nav,
    .section-testimonials,
    .section-plans,
    footer {
        display: none;
    }
    
    .section-features,
    .section-cities {
        page-break-inside: avoid;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .section-features,
    .section-steps,
    .section-cities {
        background: linear-gradient(135deg, #2c3e50, #34495e);
        color: #ecf0f1;
    }
    
    .section-features h2,
    .section-steps h2,
    .section-cities h2 {
        color: #ecf0f1;
    }
    
    .feature-box:hover,
    .city-card:hover {
        background-color: rgba(52, 152, 219, 0.1);
    }
}