/*==================================================
АДАПТИВ — TABLET (max-width: 1024px)
==================================================*/

@media (max-width: 1024px) {

    :root {
        --header-h: 70px;
    }

    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 30px;
    }

    .hero-label {
        font-size: 12px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero p {
        font-size: 17px;
    }

    /* Advantages */

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

    /* About */

    .about-grid {
        gap: 40px;
    }

    .about-image img {
        height: 340px;
    }

    /* Rooms */

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

    .room-large {
        grid-template-columns: 1fr;
    }

    .room-large .room-image {
        min-height: 260px;
        height: 260px;
    }

    .room-large .room-content {
        padding: 32px;
    }

    /* Treatment */

    .treatment-grid,
    .treatment-item {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .treatment-item.reverse {
        direction: ltr;
    }

    .treatment-image img {
        height: 300px;
    }

    .treatment-item .treatment-image img {
        height: 280px;
    }

    /* Doctors */

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

    /* Reviews */

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

    .reviews-grid .review-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

    /* CTA */

    .cta-box {
        padding: 48px 36px;
    }

    /* Contacts */

    .contacts-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

}

/*==================================================
АДАПТИВ — MOBILE NAV (max-width: 860px)
==================================================*/

@media (max-width: 860px) {

    .burger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-h));
        background: var(--color-bg);
        padding: 24px 20px 40px;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        overflow-y: auto;
        z-index: 999;
    }

    .nav.open {
        opacity: 1;
        visibility: visible;
    }

    .nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .nav a {
        color: var(--color-text);
        font-size: 17px;
        padding: 14px 16px;
        border-radius: var(--radius-sm);
    }

    .nav a:hover,
    .nav a.active {
        color: var(--color-primary);
        background: var(--color-primary-light);
    }

    .phone {
        display: none;
    }

}

/*==================================================
АДАПТИВ — MOBILE (max-width: 640px)
==================================================*/

@media (max-width: 640px) {

    :root {
        --header-h: 64px;
    }

    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 20px;
    }

    .btn {
        padding: 13px 22px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 15px 28px;
        font-size: 16px;
    }

    /* Hero */

    .hero {
        min-height: auto;
    }

    .hero .container {
        padding-top: calc(var(--header-h) + 48px);
        padding-bottom: 48px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        text-align: center;
    }

    /* Sections */

    .advantages,
    .about,
    .rooms-preview,
    .treatment-preview,
    .gallery-preview,
    .reviews,
    .faq,
    .contacts-preview {
        padding: 72px 0;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 28px;
    }

    /* Advantages */

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .advantage-card {
        padding: 28px 20px;
        text-align: left;
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .advantage-card img {
        width: 48px;
        height: 48px;
        margin: 0;
        flex-shrink: 0;
    }

    .advantage-card h3 {
        font-size: 17px;
        margin-bottom: 4px;
    }

    .advantage-card p {
        font-size: 14px;
    }

    /* About */

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-image img {
        height: 260px;
    }

    /* Rooms */

    .rooms-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .room-image {
        height: 200px;
    }

    .room-large .room-image {
        min-height: 220px;
        height: 220px;
    }

    .room-large .room-content {
        padding: 24px;
    }

    .room-large .room-content h2 {
        font-size: 24px;
    }

    .room-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .room-footer .btn {
        width: 100%;
    }

    /* Treatment */

    .treatment-image img {
        height: 240px;
    }

    .treatment-item .treatment-image img {
        height: 220px;
    }

    /* Doctors */

    .doctor-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

    /* Reviews */

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .reviews-grid .review-card:last-child {
        max-width: none;
    }

    /* Gallery */

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-preview .gallery-grid img {
        height: 160px;
    }

    .gallery-page .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-item img {
        height: 180px;
    }

    .gallery-filter {
        gap: 6px;
    }

    .gallery-filter button {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* CTA */

    .cta {
        padding: 56px 0;
    }

    .cta-box {
        padding: 36px 24px;
    }

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        text-align: center;
    }

    /* FAQ */

    .faq-list summary {
        padding: 16px 18px;
        font-size: 15px;
    }

    .faq-list details p {
        padding: 0 18px 16px;
        font-size: 14px;
    }

    /* Contacts */

    .contacts-buttons {
        flex-direction: column;
    }

    .contacts-buttons .btn {
        text-align: center;
    }

    /* Page Header */

    .page-header {
        padding: calc(var(--header-h) + 48px) 0 48px;
    }

    .page-header p {
        font-size: 15px;
    }

    .rooms-page,
    .treatment-page,
    .gallery-page,
    .contacts-page {
        padding: 56px 0;
    }

    .contacts-bottom {
        padding-bottom: 56px;
    }

    /* Footer */

    .footer {
        padding: 48px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-text {
        max-width: none;
    }

    /* Error */

    .error-number {
        font-size: 100px;
    }

    .error-buttons {
        flex-direction: column;
        align-items: center;
    }

    .error-buttons .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

}

/*==================================================
АДАПТИВ — SMALL MOBILE (max-width: 380px)
==================================================*/

@media (max-width: 380px) {

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 23px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .room-large .room-content h2 {
        font-size: 22px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-preview .gallery-grid img,
    .gallery-item img {
        height: 200px;
    }

}