/* ===== Responsive Design ===== */

/* Tablet and below (968px) */
@media (max-width: 968px) {
    .main-header-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: var(--transition);
        gap: 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .main-header-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-header-menu .menu-item {
        width: 100%;
    }

    .main-header-menu .menu-link {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        font-size: 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .main-header-menu .menu-item:last-child .menu-link {
        border-bottom: none;
    }

    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--bg-light);
        margin: 0.5rem 0 0 0;
        padding-left: 1rem;
    }

    .menu-toggle {
        display: block;
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem;
        order: 3;
        margin-left: auto;
    }

    .site-branding {
        order: 1;
    }

    .main-navigation {
        order: 2;
    }

    .header-cta {
        width: 100%;
    }

    .header-cta .btn {
        width: 100%;
        margin-left: 0;
        margin-top: 1rem;
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .contact-page-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .hero-content p {
        font-size: clamp(1rem, 4vw, 1.125rem);
    }

    .section-content {
        padding: 0 var(--spacing-md);
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .pricing-section .pricing-list {
        max-width: 100%;
    }
}

/* Mobile phones (640px and below) */
@media (max-width: 640px) {
    html {
        font-size: 15px;
        -webkit-text-size-adjust: 100%;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section-content {
        padding: 0 var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    /* Header */
    .main-header-bar {
        padding: 0.625rem 0;
    }

    .site-logo img,
    .custom-logo {
        max-width: 60px;
    }

    .main-header-container {
        gap: 1rem;
    }

    /* Hero */
    .hero-section {
        min-height: 70vh;
    }

    .hero-section-home {
        margin-top: -70px;
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    .hero-content h1 {
        font-size: clamp(1.75rem, 10vw, 2.25rem);
        margin-bottom: var(--spacing-md);
        line-height: 1.2;
    }

    .hero-content p {
        font-size: clamp(0.9375rem, 4vw, 1.0625rem);
        margin-bottom: var(--spacing-lg);
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 0.875rem;
    }

    /* Typography */
    h1 {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-md);
    }

    h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: var(--spacing-md);
    }

    h3 {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
        margin-bottom: var(--spacing-sm);
    }

    .section-title {
        margin-bottom: var(--spacing-lg);
    }

    .section-title::after {
        width: 50px;
    }

    /* Cards */
    .service-card-content {
        padding: var(--spacing-md);
    }

    .service-card-image {
        height: 200px;
    }

    .service-card-price {
        font-size: 1.5rem;
    }

    .service-card-centered {
        max-width: 100%;
        margin: var(--spacing-md) 0;
    }

    /* Buttons */
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-sm {
        padding: 0.75rem 1.25rem;
        font-size: 0.8125rem;
    }

    .btn-lg {
        padding: 1rem 2rem;
        font-size: 0.9375rem;
    }

    /* Grids */
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .feature-item {
        padding: var(--spacing-md);
    }

    .feature-icon {
        font-size: 3rem;
        margin-bottom: var(--spacing-md);
    }

    /* Two column */
    .two-column {
        gap: var(--spacing-lg);
    }

    .two-column img {
        margin-top: var(--spacing-md);
    }

    /* Gallery */
    .image-gallery {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .gallery-item {
        aspect-ratio: 16 / 9;
    }

    /* Images */
    img {
        max-width: 100%;
        height: auto;
    }

    /* Forms */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea {
        padding: 0.875rem 1rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    textarea {
        min-height: 120px;
    }

    label {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-xs);
    }

    /* Contact page */
    .contact-page-layout {
        gap: var(--spacing-lg);
    }

    .contact-info-item {
        padding: var(--spacing-md);
    }

    /* Pricing */
    .pricing-section {
        margin: var(--spacing-lg) 0;
    }

    .pricing-section h3 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-md);
    }

    .pricing-list {
        max-width: 100%;
    }

    .pricing-list li {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        padding: 0.625rem;
        font-size: 0.9375rem;
    }

    .pricing-list li strong {
        flex: 1;
        min-width: 60%;
        font-size: 0.9375rem;
    }

    .pricing-list li span {
        flex-shrink: 0;
        margin-left: var(--spacing-sm);
        font-size: 0.9375rem;
    }

    /* Lists */
    .content-list li {
        padding-left: 1.5rem;
        font-size: 0.9375rem;
    }

    .problem-list li {
        padding-left: 1.75rem;
    }

    .problem-list li::before {
        font-size: 1rem;
        width: 1.25rem;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .site-footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    /* Floating Telegram */
    .telegram-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }

    .telegram-float svg {
        width: 24px;
        height: 24px;
    }

    /* Social icons */
    .social-icons-inline {
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .social-icon-link {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }

    /* Faster transitions on mobile */
    .service-card,
    .feature-item,
    .gallery-item {
        transition-duration: 0.2s;
    }
}

/* Small mobile phones (480px and below) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
        -webkit-text-size-adjust: 100%;
    }

    .section-content {
        padding: 0 var(--spacing-xs);
    }

    .hero-content {
        padding: var(--spacing-xs);
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-content p {
        font-size: 0.9375rem;
    }

    .service-card-content,
    .contact-info-item {
        padding: var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.75rem;
    }

    .service-card-price {
        font-size: 1.375rem;
    }

    .image-gallery {
        gap: var(--spacing-sm);
    }

    .features-grid {
        gap: var(--spacing-sm);
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    /* Pricing list stacks on very small screens */
    .pricing-list li {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.5rem;
        font-size: 0.875rem;
        gap: 0.25rem;
    }

    .pricing-list li span {
        margin-left: 0;
        align-self: flex-end;
    }
}