/* ============================================
   MOBILE STYLES
   Адаптивные стили для планшетов и мобильных
   ============================================ */

/* Липкая кнопка на мобильных (скрыта на десктопе) */
.sticky-mobile {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2D2A28; /* Темный фон вместо белого */
    box-shadow: 0 -4px 16px rgba(45, 42, 40, 0.3);
    padding: 12px;
    gap: 12px;
    z-index: 999;
}

.sticky-mobile__btn {
    flex: 1;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-button);
    transition: var(--transition);
    text-decoration: none;
}

.sticky-mobile__btn:first-child {
    flex: 0 0 56px;
    background-color: var(--color-accent);
    color: var(--color-card-bg);
}

.sticky-mobile__btn:nth-child(2) {
    flex: 0 0 56px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--color-card-bg);
}

.sticky-mobile__btn--order {
    background-color: var(--color-accent-dark);
    color: var(--color-card-bg);
    font-weight: var(--weight-semibold);
    font-size: 18px;
}

/* ============================================
   ПЛАНШЕТЫ (до 1024px)
   ============================================ */
@media (max-width: 1024px) {
    /* Контейнер */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Типографика */
    :root {
        --font-size-h1: 48px;
        --font-size-h2: 36px;
        --font-size-h3: 22px;
        --font-body: 17px;
        --spacing-xxxl: 80px;
        --spacing-xxl: 56px;
    }
    
    /* Header */
    .header__nav {
        gap: var(--spacing-md);
    }
    
    .header__phone-block {
        display: none;
    }
    
    /* Hero */
    .hero__inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero__image-side {
        order: -1;
        max-height: 400px;
    }
    
    .hero__content-side {
        text-align: center;
    }
    
    .hero__social {
        justify-content: center;
    }
    
    /* Advantages */
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Categories */
    .categories__card--large {
        grid-column: span 12;
    }
    
    .categories__card--medium {
        grid-column: span 6;
    }
    
    .categories__card--small {
        grid-column: span 6;
    }
    
    /* Portfolio */
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio__card--large {
        grid-column: span 2;
        min-height: 400px;
    }
    
    .portfolio__stack {
        grid-column: span 2;
    }
    
    .portfolio__card--medium {
        grid-column: span 1;
        min-height: 320px;
    }
    
    /* Fillings */
    .fillings__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Help */
    .help__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .help__content {
        max-width: 100%;
    }
    
    .help__buttons {
        justify-content: center;
    }
    
    .help__illustration {
        display: none;
    }
    
    /* Reviews */
    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews__header {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    /* Process */
    .process__steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* FAQ */
    .faq__grid {
        grid-template-columns: 1fr;
    }
    
    /* Contacts */
    .contacts__inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contacts__map {
        height: 400px;
    }
    
    /* Footer */
    .footer__top {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer__nav {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer__social {
        justify-content: center;
    }
}

/* ============================================
   МОБИЛЬНЫЕ (до 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Типографика */
    :root {
        --font-size-h1: 32px;
        --font-size-h2: 28px;
        --font-size-h3: 20px;
        --font-body: 16px;
        --font-price: 24px;
        --font-button: 16px;
        --spacing-xxxl: 64px;
        --spacing-xxl: 48px;
        --spacing-xl: 32px;
        --spacing-lg: 24px;
        --spacing-md: 16px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    /* Header */
    .header {
        padding: 16px 0;
    }
    
    .header__nav,
    .header__contacts {
        display: none;
    }
    
    .header__burger {
        display: flex;
    }
    
    .header__inner {
        grid-template-columns: 1fr auto;
    }
    
    .header__logo-text {
        font-size: 16px;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 80px 0 64px;
    }
    
    .hero__inner {
        gap: var(--spacing-lg);
    }
    
    .hero__title-main {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .hero__title-sub {
        font-size: 24px;
    }
    
    .hero__subtitle {
        font-size: 16px;
        line-height: 1.5;
    }
    
    .hero__stats {
        margin: var(--spacing-md) 0;
    }
    
    .hero__stat-item {
        font-size: 15px;
    }
    
    .hero__btn {
        width: 100%;
        padding: 18px 32px;
        font-size: 16px;
    }
    
    .hero__badge {
        padding: 12px 16px;
    }
    
    .hero__badge-text {
        font-size: 13px;
    }
    
    .hero__social {
        gap: 12px;
    }
    
    .hero__social-link {
        width: 44px;
        height: 44px;
    }
    
    /* Advantages */
    .advantages {
        padding: 48px 0;
    }
    
    .advantages__main-title {
        font-size: 28px;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .advantages__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .advantages__card {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .advantages__icon {
        margin: 0 auto var(--spacing-sm);
        flex-shrink: 0;
        width: 48px;
        height: 48px;
    }
    
    .advantages__icon svg {
        width: 24px;
        height: 24px;
    }
    
    .advantages__title {
        font-size: 16px;
        margin-bottom: 4px;
        text-align: center;
    }
    
    .advantages__text {
        font-size: 14px;
        line-height: 1.5;
        text-align: center;
    }
    
    /* Categories */
    .categories {
        padding: 48px 0;
    }
    
    .categories__card--large,
    .categories__card--medium,
    .categories__card--small {
        grid-column: span 12;
        min-height: 240px;
    }
    
    .categories__content {
        padding: var(--spacing-md);
    }
    
    .categories__title {
        font-size: 24px;
    }
    
    .categories__subtitle {
        font-size: 16px;
    }
    
    .categories__description {
        font-size: 13px;
    }
    
    /* Portfolio */
    .portfolio {
        padding: 48px 0;
    }
    
    .portfolio__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .portfolio__title {
        font-size: 28px;
    }
    
    .portfolio__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .portfolio__card--large,
    .portfolio__stack,
    .portfolio__card--medium {
        grid-column: span 1;
        min-height: 320px;
    }
    
    .portfolio__stack {
        gap: var(--spacing-md);
    }
    
    .portfolio__card--small {
        min-height: 280px;
    }
    
    .portfolio__info {
        padding: var(--spacing-sm);
    }
    
    .portfolio__name {
        font-size: 18px;
    }
    
    .portfolio__filling,
    .portfolio__details {
        font-size: 13px;
    }
    
    .portfolio__price {
        font-size: 20px;
    }
    
    .portfolio__story {
        font-size: 12px;
    }
    
    /* Fillings */
    .fillings {
        padding: 48px 0;
    }
    
    .fillings__header {
        margin-bottom: var(--spacing-lg);
    }
    
    .fillings__title {
        font-size: 28px;
    }
    
    .fillings__subtitle {
        font-size: 16px;
    }
    
    .fillings__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .fillings__image-wrapper {
        height: 240px;
    }
    
    .fillings__badge {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .fillings__content {
        padding: var(--spacing-sm);
    }
    
    .fillings__name {
        font-size: 20px;
    }
    
    .fillings__description {
        font-size: 14px;
    }
    
    .fillings__suitable {
        font-size: 13px;
    }
    
    .fillings__price {
        font-size: 24px;
    }
    
    .btn--small {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    /* Help */
    .help {
        padding: 48px 0;
    }
    
    .help__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .help__title {
        font-size: 28px;
    }
    
    .help__text {
        font-size: 16px;
    }
    
    .help__response-time {
        font-size: 14px;
    }
    
    .help__buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .help__buttons .btn {
        width: 100%;
    }
    
    .help__illustration {
        display: none;
    }
    
    /* Reviews */
    .reviews {
        padding: 48px 0;
    }
    
    .reviews__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .reviews__title {
        font-size: 28px;
    }
    
    .reviews__social {
        width: 100%;
        justify-content: space-between;
    }
    
    .reviews__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .reviews__card {
        padding: var(--spacing-sm);
    }
    
    .reviews__avatar {
        width: 48px;
        height: 48px;
    }
    
    .reviews__name {
        font-size: 16px;
    }
    
    .reviews__date {
        font-size: 13px;
    }
    
    .reviews__text {
        font-size: 14px;
    }
    
    .reviews__reply {
        font-size: 13px;
    }
    
    /* Process */
    .process {
        padding: 48px 0;
    }
    
    .process__title {
        font-size: 28px;
        margin-bottom: var(--spacing-lg);
    }
    
    .process__steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .process__step {
        padding: var(--spacing-md);
    }
    
    .process__number {
        width: 56px;
        height: 56px;
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .process__step-title {
        font-size: 18px;
    }
    
    .process__step-text {
        font-size: 14px;
    }
    
    .process__promo {
        padding: var(--spacing-sm);
    }
    
    .process__promo-text {
        font-size: 15px;
    }
    
    /* FAQ */
    .faq {
        padding: 48px 0;
    }
    
    .faq__title {
        font-size: 28px;
        margin-bottom: var(--spacing-lg);
    }
    
    .faq__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .faq__item {
        padding: var(--spacing-sm);
    }
    
    .faq__question {
        font-size: 16px;
        gap: 10px;
    }
    
    .faq__icon {
        width: 20px;
        height: 20px;
    }
    
    .faq__answer {
        font-size: 14px;
        margin-left: 30px;
    }
    
    /* Contacts */
    .contacts {
        padding: 48px 0;
    }
    
    .contacts__inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contacts__title {
        font-size: 28px;
        margin-bottom: var(--spacing-lg);
    }
    
    .contacts__info {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .contacts__item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .contacts__icon {
        width: 20px;
        height: 20px;
    }
    
    .contacts__value {
        font-size: 16px;
    }
    
    .contacts__phone {
        font-size: 24px;
    }
    
    .contacts__buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .contacts__buttons .btn {
        width: 100%;
    }
    
    .contacts__map {
        height: 300px;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .footer__top {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }
    
    .footer__logo {
        justify-content: center;
    }
    
    .footer__nav {
        flex-direction: column;
        gap: 12px;
    }
    
    .footer__social {
        justify-content: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        font-size: 12px;
    }
    
    /* Sticky Mobile */
    .sticky-mobile {
        display: flex;
    }
    
    /* Scroll to top */
    .scroll-to-top {
        bottom: 80px;
        right: 16px;
        width: 44px;
        height: 44px;
    }
    
    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}

/* ============================================
   МАЛЕНЬКИЕ МОБИЛЬНЫЕ (до 480px)
   ============================================ */
@media (max-width: 480px) {
    :root {
        --font-size-h1: 28px;
        --font-size-h2: 24px;
        --font-size-h3: 18px;
        --spacing-xxxl: 48px;
        --spacing-xxl: 40px;
    }
    
    .hero__title-main {
        font-size: 24px;
    }
    
    .hero__title-sub {
        font-size: 20px;
    }
    
    .advantages__main-title,
    .portfolio__title,
    .fillings__title,
    .help__title,
    .reviews__title,
    .process__title,
    .faq__title,
    .contacts__title {
        font-size: 24px;
    }
    
    .categories__title {
        font-size: 20px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .hero__btn {
        padding: 16px 28px;
    }
}