/* Адаптивная верстка - Mobile First подход */

/* Tablet - 768px и выше */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero__title {
        font-size: 3.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.5rem;
    }
    
    .hero__description {
        font-size: 1.25rem;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contacts__content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Desktop - 1024px и выше */
@media (min-width: 1024px) {
    .container {
        padding: 0 3rem;
    }
    
    .hero__title {
        font-size: 4rem;
    }
    
    .hero__subtitle {
        font-size: 1.75rem;
    }
    
    .services__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .advantages__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .calculator__content {
        max-width: 900px;
    }
}

/* Mobile - до 768px */
@media (max-width: 767px) {
    /* Typography */
    .hero__title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero__subtitle {
        font-size: 1.25rem;
    }
    
    .hero__description {
        font-size: 1rem;
    }
    
    .section__title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    /* Header Mobile */
    .header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        z-index: 1000;
    }
    
    .header__nav.active {
        display: block;
    }
    
    .nav__list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .nav__link {
        display: block;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-gray-light);
    }
    
    .header__contact {
        display: none;
    }
    
    .burger {
        display: flex;
    }
    
    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero Mobile */
    .hero {
        min-height: 100vh;
        padding: 120px 0 60px;
    }
    
    .hero__inner {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .section-wrapper--hero {
        background-size: 60% auto;
        background-position: center bottom;
    }
    
    .hero__content {
        order: 1;
    }
    
    .hero__image {
        display: none;
    }
    
    .hero__image-main {
        max-width: 280px;
    }
    
    .hero__cta {
        width: 100%;
        max-width: 300px;
    }
    
    /* Services Mobile */
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-card__icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-sm);
    }
    
    .service-card__title {
        font-size: 1.125rem;
    }
    
    /* Tobacco Showcase Mobile */
    .tobacco-showcase__inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .tobacco-showcase__image {
        order: 1;
    }
    
    .tobacco-showcase__content {
        order: 2;
        padding: var(--spacing-md);
    }
    
    .tobacco-showcase__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-item {
        padding: var(--spacing-sm);
    }
    
    .stat-item__number {
        font-size: 1.8rem;
    }
    
    .stat-item__label {
        font-size: 0.8rem;
    }
    
    /* Calculator Mobile - Comprehensive Redesign */
    .calculator {
        padding: var(--spacing-lg) 0;
    }
    
    .calculator__header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }
    
    .calculator__subtitle {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
    
    .calculator__badge {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
        margin-top: var(--spacing-sm);
    }
    
    /* Mobile Layout - Single Column Stack */
    .calculator__content {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
        max-width: none;
    }
    
    /* Calculator Controls Mobile */
    .calculator__controls {
        order: 1;
        gap: var(--spacing-md);
    }
    
    .calculator__section {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius-lg);
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow-md);
    }
    
    .calculator__section-header {
        margin-bottom: var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .calculator__section-title {
        font-size: 1.125rem;
        font-weight: 600;
        margin: 0;
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .calculator__value-display {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
        font-weight: 700;
        width: fit-content;
        align-self: flex-start;
    }
    
    /* Slider Mobile Optimization */
    .calculator__slider-container {
        margin-bottom: var(--spacing-md);
    }
    
    .calculator__slider {
        height: 10px;
        margin-bottom: var(--spacing-md);
        border-radius: 5px;
    }
    
    .calculator__slider::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
        border: 3px solid var(--color-white);
    }
    
    .calculator__slider::-moz-range-thumb {
        width: 28px;
        height: 28px;
        border: 3px solid var(--color-white);
    }
    
    .calculator__slider-labels {
        font-size: 0.9rem;
        font-weight: 500;
        margin-top: var(--spacing-sm);
    }
    
    /* Grid Options Mobile - Touch Optimized */
    .calculator__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .calculator__option {
        padding: var(--spacing-md);
        min-height: 54px;
        font-size: 0.95rem;
        font-weight: 600;
        border-radius: var(--border-radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        line-height: 1.3;
        border: 2px solid rgba(0, 0, 0, 0.15);
        background: rgba(255, 255, 255, 0.9);
        transition: all 0.2s ease;
    }
    
    .calculator__option:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
    
    .calculator__option.active {
        background: linear-gradient(135deg, var(--color-accent-orange) 0%, #e68a00 100%);
        color: var(--color-white);
        border-color: var(--color-accent-orange);
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .calculator__capacity-info {
        font-size: 0.85rem;
        text-align: center;
        margin-top: var(--spacing-sm);
        padding: var(--spacing-sm);
        background: rgba(255, 153, 0, 0.1);
        border-radius: var(--border-radius-sm);
        color: var(--color-text-dark);
        font-weight: 500;
    }
    
    /* Staff Section Mobile */
    .calculator__staff-info {
        gap: var(--spacing-md);
    }
    
    .calculator__staff-count {
        font-size: 1.125rem;
        font-weight: 700;
        margin-bottom: var(--spacing-sm);
        color: var(--color-text-dark);
    }
    
    .calculator__staff-note {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
        color: var(--color-gray-medium);
    }
    
    /* Enhanced Checkbox for Mobile */
    .calculator__checkbox {
        padding: var(--spacing-md);
        background: rgba(255, 153, 0, 0.05);
        border: 1px solid rgba(255, 153, 0, 0.2);
        border-radius: var(--border-radius-md);
        margin-top: var(--spacing-sm);
        min-height: 50px;
        align-items: center;
    }
    
    .calculator__checkbox-mark {
        width: 22px;
        height: 22px;
        border: 2px solid rgba(0, 0, 0, 0.3);
    }
    
    .calculator__checkbox-text {
        font-size: 0.95rem;
        font-weight: 500;
        line-height: 1.3;
    }
    
    /* Radio Buttons Mobile */
    .calculator__radio-group {
        gap: var(--spacing-md);
    }
    
    .calculator__radio {
        padding: var(--spacing-sm) var(--spacing-lg);
        min-height: 60px;
        border-radius: var(--border-radius-md);
        border: 2px solid rgba(0, 0, 0, 0.15);
        background: rgba(255, 255, 255, 0.9);
    }
    
    .calculator__radio-mark {
        width: 24px;
        height: 24px;
        margin-right: var(--spacing-md);
        border: 2px solid rgba(0, 0, 0, 0.3);
    }
    
    .calculator__radio-text {
        font-size: 1rem;
        font-weight: 600;
    }
    
    .calculator__radio-price {
        font-size: 0.9rem;
        font-weight: 500;
        margin-top: var(--spacing-xs);
    }
    
    /* Price Summary Mobile - Optimized */
    .calculator__summary {
        order: 2;
        position: sticky;
        top: 80px;
        z-index: 10;
        gap: var(--spacing-md);
    }
    
    .calculator__price-card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        background: rgba(0, 0, 0, 0.97);
        border: 2px solid rgba(255, 153, 0, 0.4);
        border-radius: var(--border-radius-xl);
        box-shadow: var(--shadow-xl), 0 0 25px rgba(255, 153, 0, 0.3);
    }
    
    .calculator__price-header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .calculator__price-header h3 {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-md);
        color: var(--color-white);
    }
    
    .calculator__total-price {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--color-accent-orange);
        line-height: 1;
        text-shadow: 0 0 15px rgba(255, 153, 0, 0.5);
    }
    
    /* Enhanced Breakdown for Mobile */
    .calculator__breakdown {
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .calculator__breakdown-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-white);
        margin-bottom: var(--spacing-md);
    }
    
    .calculator__breakdown-item {
        padding: var(--spacing-sm) 0;
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.95);
        font-weight: 500;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .calculator__breakdown-item:first-child {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--color-white);
    }
    
    .calculator__breakdown-item + .calculator__breakdown-item {
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: var(--spacing-sm);
    }
    
    /* Action Buttons Mobile */
    .calculator__actions {
        gap: var(--spacing-md);
    }
    
    .calculator__actions .btn {
        min-height: 54px;
        font-size: 1rem;
        font-weight: 600;
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: var(--border-radius-lg);
    }
    
    .calculator__order-btn {
        order: 1;
    }
    
    .calculator__pdf-btn {
        order: 2;
        background: rgba(255, 255, 255, 0.9);
        color: var(--color-text-dark);
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .calculator__pdf-btn:hover {
        background: var(--color-white);
        color: var(--color-text-dark);
    }
    
    /* Order Form Mobile */
    .calculator__order-form {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius-xl);
        background: rgba(255, 255, 255, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.3);
        margin-top: var(--spacing-md);
    }
    
    .calculator__form-title {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-lg);
        text-align: center;
        color: var(--color-text-dark);
    }
    
    .calculator__form-actions {
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
        flex-direction: column;
    }
    
    .calculator__form-actions .btn {
        width: 100%;
        min-height: 50px;
        font-size: 1rem;
    }
    
    /* Individual Order Section Mobile */
    .calculator__individual {
        margin-top: var(--spacing-xl);
        grid-column: 1;
    }
    
    .calculator__individual-content {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius-xl);
        text-align: center;
    }
    
    .calculator__individual-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
        color: var(--color-text-dark);
    }
    
    .calculator__individual-text {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-lg);
        color: var(--color-gray-medium);
    }
    
    .calculator__individual-btn {
        min-height: 50px;
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* Advantages Mobile */
    .advantages__grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-card {
        padding: var(--spacing-md);
    }
    
    .advantage-card__title {
        font-size: 1rem;
    }
    
    /* Contacts Mobile */
    .contacts__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contacts__form {
        padding: var(--spacing-md);
        order: -1;
    }
    
    .contact-item {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    /* Footer Mobile */
    .footer__content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer__info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer__links {
        text-align: center;
    }
    
    .footer__socials {
        justify-content: center;
    }
    
    /* Modal Mobile */
    .modal__content {
        width: 95%;
        margin: 0 auto;
        padding: var(--spacing-md);
    }
    
    .modal__title {
        font-size: 1.5rem;
    }
    
    /* Form Mobile */
    .form-input {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    .btn {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    .btn--large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.125rem;
    }
    
    /* Spacing Mobile */
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero {
        padding: var(--spacing-xxl) 0;
    }
}

/* Very Small Mobile - до 480px */
@media (max-width: 479px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1.125rem;
    }
    
    .section__title {
        font-size: 1.75rem;
    }
    
    .section-wrapper--hero {
        background-size: 50% auto;
        background-position: center bottom;
    }
    
    .service-card,
    .advantage-card,
    .contacts__form,
    .calculator__form {
        padding: var(--spacing-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    /* Very Small Mobile Calculator Optimizations */
    .calculator__section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }
    
    .calculator__section-title {
        font-size: 1rem;
    }
    
    .calculator__value-display {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .calculator__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .calculator__option {
        padding: var(--spacing-sm);
        min-height: 50px;
        font-size: 0.9rem;
    }
    
    .calculator__radio {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 56px;
    }
    
    .calculator__radio-mark {
        width: 20px;
        height: 20px;
        margin-right: var(--spacing-sm);
    }
    
    .calculator__radio-text {
        font-size: 0.95rem;
    }
    
    .calculator__radio-price {
        font-size: 0.85rem;
    }
    
    .calculator__checkbox {
        padding: var(--spacing-sm);
        min-height: 48px;
    }
    
    .calculator__checkbox-mark {
        width: 20px;
        height: 20px;
    }
    
    .calculator__checkbox-text {
        font-size: 0.9rem;
    }
    
    .calculator__price-card {
        padding: var(--spacing-md);
    }
    
    .calculator__total-price {
        font-size: 2rem;
    }
    
    .calculator__breakdown {
        padding: var(--spacing-sm);
    }
    
    .calculator__breakdown-title {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .calculator__breakdown-item {
        font-size: 0.85rem;
        padding: var(--spacing-xs) 0;
    }
    
    .calculator__actions .btn {
        min-height: 50px;
        font-size: 0.95rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .calculator__order-form {
        padding: var(--spacing-md);
    }
    
    .calculator__form-title {
        font-size: 1.125rem;
    }
    
    .calculator__individual-content {
        padding: var(--spacing-md);
    }
    
    .calculator__individual-title {
        font-size: 1.25rem;
    }
    
    .calculator__individual-text {
        font-size: 0.95rem;
    }
    
    .modal__content {
        padding: var(--spacing-sm);
    }
        label.calculator__checkbox span.calculator__checkbox-text {
        padding-left: 20px; /* Adjust this value as needed to create space */
    }
    label.calculator__checkbox span.calculator__checkbox-mark {
        left: 10px; /* Adjust this value as needed to move the checkbox right */
    }
}

/* Tablet Portrait - 768px до 1024px */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero__title {
        font-size: 3rem;
    }
    
    .hero__inner {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .section-wrapper--hero {
        background-size: 70% auto;
        background-position: center bottom;
    }
    
    .hero__image {
        display: none;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tobacco-showcase__stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contacts__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .calculator__content {
        max-width: 700px;
    }
}

/* Large Desktop - 1400px и выше */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
        padding: 0 4rem;
    }
    
    .hero__title {
        font-size: 4.5rem;
    }
    
    .hero__subtitle {
        font-size: 2rem;
    }
    
    .hero__description {
        font-size: 1.5rem;
    }
    
    .section__title {
        font-size: 3.5rem;
    }
    
    .calculator__content {
        max-width: 1000px;
    }
    
    .section-wrapper--hero {
        background-size: contain;
        background-position: center right;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
    }
    
    .hero__content {
        padding: var(--spacing-md) 1rem;
    }
    
    .hero__title {
        font-size: 2rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .hero__subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .hero__description {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    /* Calculator Landscape Optimizations */
    .calculator__content {
        gap: var(--spacing-md);
    }
    
    .calculator__section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }
    
    .calculator__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .calculator__option {
        padding: var(--spacing-sm);
        min-height: 44px;
        font-size: 0.85rem;
    }
    
    .calculator__price-card {
        padding: var(--spacing-md);
        position: static;
    }
    
    .calculator__summary {
        position: static;
        order: 2;
    }
    
    .calculator__total-price {
        font-size: 2rem;
    }
    
    .calculator__breakdown {
        padding: var(--spacing-sm);
    }
    
    .calculator__actions .btn {
        min-height: 44px;
        font-size: 0.9rem;
        padding: var(--spacing-sm);
    }
    
    .calculator__radio {
        padding: var(--spacing-xs);
        min-height: 50px;
    }
    
    .calculator__individual-content {
        padding: var(--spacing-md);
    }
    label.calculator__checkbox span.calculator__checkbox-text {
        padding-left: 15px; /* Adjust this value as needed to create space */
    }
    label.calculator__checkbox span.calculator__checkbox-mark {
        left: 10px; /* Adjust this value as needed to move the checkbox right */
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .form-input {
        min-height: 48px;
        padding: var(--spacing-sm);
    }
    
    .nav__link {
        min-height: 44px;
        padding: var(--spacing-sm) 0;
    }
    
    .burger {
        min-height: 44px;
        min-width: 44px;
        padding: var(--spacing-sm);
    }
    
    /* Enhanced Calculator Touch Targets */
    .calculator__option {
        min-height: 54px;
        padding: var(--spacing-md);
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(255, 153, 0, 0.1);
    }
    
    .calculator__radio {
        min-height: 60px;
        padding: var(--spacing-md);
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(255, 153, 0, 0.1);
    }
    
    .calculator__checkbox {
        min-height: 54px;
        padding: var(--spacing-md);
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(255, 153, 0, 0.1);
    }
    
    .calculator__slider {
        min-height: 44px;
        padding: var(--spacing-sm) 0;
        touch-action: manipulation;
    }
    
    .calculator__slider::-webkit-slider-thumb {
        width: 32px;
        height: 32px;
        border: 3px solid var(--color-white);
    }
    
    .calculator__slider::-moz-range-thumb {
        width: 32px;
        height: 32px;
        border: 3px solid var(--color-white);
    }
    
    .calculator__actions .btn {
        min-height: 54px;
        padding: var(--spacing-md) var(--spacing-lg);
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* Improved form inputs for touch */
    .calculator__order-form .form-input {
        min-height: 50px;
        padding: var(--spacing-md);
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-bg::before,
    .hero-bg::after,
    .abstract-waves::after,
    .services::before,
    .services::after,
    .calculator::before,
    .calculator::after,
    .advantages::before,
    .advantages::after,
    .contacts::after {
        animation: none !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .modal__content {
        background-color: var(--color-gray);
        color: var(--color-white);
    }
    
    .form-input {
        background-color: var(--color-gray);
        color: var(--color-white);
        border-color: var(--color-gray-medium);
    }
    
    .form-input::placeholder {
        color: var(--color-gray-medium);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero,
    .btn,
    .modal {
        display: none !important;
    }
    
    .about,
    .services,
    .advantages,
    .contacts {
        background: white !important;
        color: black !important;
    }
    
    .about::before,
    .about::after,
    .services::before,
    .services::after,
    .advantages::before,
    .advantages::after,
    .contacts::before,
    .contacts::after {
        display: none !important;
    }
    
    .section__title {
        color: black !important;
    }
    
    .contact-item a {
        color: black !important;
        text-decoration: underline !important;
    }
}

/* Performance Optimizations */
.hero-bg,
.abstract-waves,
.services,
.calculator,
.advantages,
.contacts {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Smooth Scrolling Fix for iOS */
@supports (-webkit-touch-callout: none) {
    body {
        -webkit-overflow-scrolling: touch;
    }
}

/* Focus Styles for Better Accessibility */
.btn:focus,
.form-input:focus,
.nav__link:focus,
.burger:focus {
    outline: 2px solid var(--color-orange);
    outline-offset: 2px;
}

/* Loading Animation for Fonts */
.font-loading {
    font-display: swap;
    font-family: system-ui, -apple-system, sans-serif;
}

/* Container Queries Support */
@supports (container-type: inline-size) {
    .calculator__form {
        container-type: inline-size;
    }
    
    @container (max-width: 500px) {
        .calculator__presets {
            grid-template-columns: repeat(3, 1fr);
        }
    }
}