/* ===== Responsive Design (mobile-first) ===== */

/* Tablet (640px+) */
@media (min-width: 640px) {
    .trust-bar__inner {
        gap: var(--space-12);
    }
}

/* Tablet landscape (768px+) */
@media (min-width: 768px) {
    .hero--compact {
        min-height: 260px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }

    .process {
        padding-left: var(--space-20);
    }

    .process::before {
        left: 24px;
    }

    .process__number {
        left: calc(var(--space-20) * -1);
        width: 48px;
        height: 48px;
    }
}

/* Wide desktop (1200px+) */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* ===== Max-width (desktop-down) breakpoints ===== */

/* Tablet and below (below 1024px) */
@media (max-width: 1023px) {
    .main-header-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--surface-primary);
        flex-direction: column;
        padding: var(--space-6);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-16px);
        transition: opacity var(--duration-normal) var(--ease-default),
                    visibility var(--duration-normal) var(--ease-default),
                    transform var(--duration-normal) var(--ease-default);
        gap: 0;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        border-top: 1px solid var(--border-light);
    }

    .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: var(--space-4);
        border-bottom: 1px solid var(--border-light);
        font-size: var(--text-base);
        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(--surface-secondary);
        margin: var(--space-2) 0 0 0;
        padding-left: var(--space-4);
        border: none;
    }

    .menu-toggle {
        display: flex;
        min-width: 44px;
        min-height: 44px;
        padding: var(--space-2);
    }

    .header-cta {
        width: 100%;
    }

    .header-cta .btn {
        width: 100%;
        margin-left: 0;
        margin-top: var(--space-4);
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .contact-page-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .section {
        padding: var(--section-padding-y-tablet) 0;
    }

    .section-content {
        padding: 0 var(--space-6);
    }

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

/* Mobile (below 640px) */
@media (max-width: 639px) {
    .container {
        padding: 0 var(--space-4);
    }

    .section-content {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--section-padding-y-mobile) 0;
    }

    .site-content {
        padding-top: var(--header-height-mobile);
    }

    /* Header */
    .site-header {
        height: var(--header-height-mobile);
    }

    .main-header-menu {
        top: var(--header-height-mobile);
        max-height: calc(100vh - var(--header-height-mobile));
    }

    .site-logo img,
    .custom-logo {
        max-width: 48px;
    }

    .main-header-container {
        gap: var(--space-4);
    }

    .site-branding { order: 1; }
    .menu-toggle { order: 3; margin-left: auto; }
    .main-navigation { order: 2; }

    .menu-toggle-icon {
        font-size: 1.25rem;
    }

    /* Hero */
    .hero--full {
        min-height: 85vh;
        margin-top: calc(var(--header-height-mobile) * -1);
    }

    .hero--compact {
        min-height: 140px;
        padding: var(--space-16) 0 var(--space-8);
    }

    .hero__content {
        padding: var(--space-6);
    }

    .hero__title {
        margin-bottom: var(--space-4);
    }

    .hero__subtitle {
        margin-bottom: var(--space-8);
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
        gap: var(--space-3);
    }

    .hero__actions .btn {
        width: 100%;
    }

    /* Trust bar */
    .trust-bar {
        padding: var(--space-3) var(--space-4);
    }

    .trust-bar__inner {
        gap: var(--space-6);
    }

    .trust-bar__value {
        font-size: var(--text-lg);
    }

    .trust-bar__label {
        font-size: 0.625rem;
    }

    /* Typography */
    .section-title {
        margin-bottom: var(--space-8);
    }

    .section-title::after {
        width: 40px;
    }

    /* Cards */
    .service-card__body,
    .service-card-content {
        padding: var(--card-padding-sm);
    }

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

    .service-card__price,
    .service-card-price {
        font-size: var(--text-xl);
    }

    .service-card-centered {
        max-width: 100%;
        margin: var(--space-6) 0;
    }

    .feature-card {
        padding: var(--card-padding-sm);
    }

    .feature-card__icon {
        width: 52px;
        height: 52px;
    }

    .feature-card__icon svg {
        width: 24px;
        height: 24px;
    }

    /* Grids */
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* Pricing cards */
    .pricing-card {
        padding: var(--card-padding-sm);
    }

    /* Process steps */
    .process {
        padding-left: var(--space-12);
    }

    .process::before {
        left: 16px;
    }

    .process__number {
        left: calc(var(--space-12) * -1);
        width: 34px;
        height: 34px;
        font-size: var(--text-sm);
    }

    /* Buttons */
    .btn {
        min-height: var(--btn-min-height);
    }

    .btn--lg,
    .btn-lg {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-base);
    }

    /* FAQ */
    .faq__question {
        padding: var(--space-4) var(--space-5);
        font-size: var(--text-base);
    }

    .faq__answer {
        padding: 0 var(--space-5) var(--space-5);
    }

    .faq-item {
        padding: var(--space-4);
    }

    .faq-item h3 {
        font-size: var(--text-base);
    }

    /* Two column */
    .two-column {
        gap: var(--space-8);
    }

    /* Gallery */
    .image-gallery {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

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

    /* Forms */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea {
        padding: var(--space-3) var(--space-4);
        font-size: 16px; /* Prevents zoom on iOS */
    }

    textarea {
        min-height: 120px;
    }

    /* Contact page */
    .contact-page-layout {
        gap: var(--space-6);
    }

    .contact-info-item {
        padding: var(--space-6);
    }

    .social-icons-inline {
        justify-content: center;
        gap: var(--space-3);
    }

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

    /* Map */
    .map-container {
        height: 300px;
        border-radius: var(--radius-md);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .site-footer {
        padding: var(--space-16) 0 var(--space-8);
    }

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

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

    /* Pricing list */
    .pricing-section {
        margin: var(--space-8) 0;
    }

    .pricing-list li {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        padding: var(--space-3);
        font-size: var(--text-sm);
    }

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

    .pricing-list li span {
        flex-shrink: 0;
        margin-left: var(--space-4);
    }

    /* Content lists */
    .content-list li {
        padding-left: 1.5rem;
        font-size: var(--text-sm);
    }

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

    /* Feature item (legacy) */
    .feature-item {
        padding: var(--card-padding-sm);
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: var(--space-4);
    }

    /* Faster transitions on mobile for better feel */
    .service-card,
    .feature-card,
    .feature-item,
    .pricing-card {
        transition-duration: var(--duration-fast);
    }
}

/* Small mobile (below 480px) */
@media (max-width: 479px) {
    .section-content {
        padding: 0 var(--space-3);
    }

    .hero__content {
        padding: var(--space-4);
    }

    .service-card__body,
    .service-card-content,
    .contact-info-item {
        padding: var(--space-4);
    }

    .section {
        padding: var(--space-10) 0;
    }

    .pricing-list li {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-2);
        gap: var(--space-1);
    }

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

    .trust-bar__inner {
        flex-wrap: wrap;
        gap: var(--space-4);
    }

    .trust-bar__item {
        flex: 0 0 auto;
    }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    .hero__slide {
        transition: none;
    }

    .telegram-float::after {
        animation: none;
    }

    .service-card,
    .feature-card,
    .feature-item,
    .pricing-card {
        transition: none;
    }

    .service-card:hover,
    .feature-card:hover,
    .feature-item:hover,
    .pricing-card:hover {
        transform: none;
    }
}