/* ===========================
     CSS-ПЕРЕМЕННЫЕ (Custom Properties)
     Цветовая палитра: бежевый + тёмно-серый + бордовый акцент + изумрудный (вторичный)
     =========================== */
:root {
    /* Основные цвета */
    --color-beige: #F9F6F0;
    --color-beige-dark: #EFE9DE;
    --color-beige-darker: #D9CFBF;
    --color-dark: #2C2C2C;
    --color-dark-light: #4A4A4A;
    --color-gray: #6B6B6B;
    --color-gray-light: #A0A0A0;
    --color-white: #FFFFFF;
    --color-burgundy: #8B3A4A;
    --color-burgundy-hover: #6F2E3B;
    --color-burgundy-light: rgba(139, 58, 74, 0.08);
    --color-emerald: #3D7B6E;
    --color-emerald-light: rgba(61, 123, 110, 0.1);

    /* Тени */
    --shadow-sm: 0 2px 8px rgba(44, 44, 44, 0.06);
    --shadow-md: 0 6px 24px rgba(44, 44, 44, 0.10);
    --shadow-lg: 0 12px 40px rgba(44, 44, 44, 0.14);
    --shadow-xl: 0 20px 60px rgba(44, 44, 44, 0.18);

    /* Скругления */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50%;

    /* Переходы */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Размеры контейнера */
    --container-max: 1200px;
    --container-padding: 20px;

    /* Высота шапки */
    --header-height: 76px;
}

/* ===========================
     СБРОС И БАЗОВЫЕ СТИЛИ
     =========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Open Sans', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-beige);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
}

h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}
h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}
h3 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 600;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

/* Контейнер */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Секции */
.section {
    padding: 80px 0;
}
.section__header {
    text-align: center;
    margin-bottom: 50px;
}
.section__title {
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
.section__title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--color-burgundy);
    border-radius: 3px;
}
.section__subtitle {
    color: var(--color-gray);
    font-size: 1.05rem;
    max-width: 550px;
    margin: 16px auto 0;
}

/* ===========================
     КНОПКИ
     =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.btn--primary {
    background: var(--color-burgundy);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(139, 58, 74, 0.3);
}
.btn--primary:hover {
    background: var(--color-burgundy-hover);
    box-shadow: 0 6px 24px rgba(139, 58, 74, 0.4);
    transform: translateY(-2px);
}
.btn--primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(139, 58, 74, 0.3);
}
.btn--outline {
    background: transparent;
    color: var(--color-burgundy);
    border: 2px solid var(--color-burgundy);
}
.btn--outline:hover {
    background: var(--color-burgundy);
    color: var(--color-white);
}
.btn--lg {
    padding: 17px 36px;
    font-size: 1.05rem;
}

/* ===========================
     АНИМАЦИИ ПОЯВЛЕНИЯ (fade-in при скролле)
     =========================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Задержки для каскадного появления */
.fade-in--delay-1 {
    transition-delay: 0.1s;
}
.fade-in--delay-2 {
    transition-delay: 0.2s;
}
.fade-in--delay-3 {
    transition-delay: 0.3s;
}
.fade-in--delay-4 {
    transition-delay: 0.4s;
}

/* ===========================
     ШАПКА (Header)
     =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(249, 246, 240, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(217, 207, 191, 0.4);
    transition: all var(--transition-base);
    height: var(--header-height);
}
.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(249, 246, 240, 0.97);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}
/* Логотип */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    color: var(--color-dark);
    z-index: 1001;
    flex-shrink: 0;
}
.logo__icon {
    width: 40px;
    height: 40px;
    background: var(--color-burgundy);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.1rem;
}
.logo__text {
    line-height: 1.1;
}
.logo__text small {
    display: block;
    font-weight: 400;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    color: var(--color-gray);
    text-transform: uppercase;
}

/* Навигация */
.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__list {
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav__link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    color: var(--color-dark-light);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition-fast);
}
.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-burgundy);
    border-radius: 2px;
    transition: width var(--transition-base);
}
.nav__link:hover,
.nav__link:focus-visible {
    color: var(--color-burgundy);
}
.nav__link:hover::after,
.nav__link:focus-visible::after {
    width: 100%;
}
.nav__btn {
    flex-shrink: 0;
}

/* Бургер-меню */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 32px;
    justify-content: center;
    align-items: center;
}
.burger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--color-dark);
    border-radius: 3px;
    transition: all var(--transition-base);
    transform-origin: center;
}
.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.burger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===========================
     HERO-СЕКЦИЯ (Первый экран)
     =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-dark);
    overflow: hidden;
    margin-top: 0;
    padding-top: var(--header-height);
}
.hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.55;
    z-index: 1;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(44, 44, 44, 0.85) 0%,
            rgba(44, 44, 44, 0.5) 50%,
            rgba(44, 44, 44, 0.75) 100%);
    z-index: 2;
}
.hero__content {
    position: relative;
    z-index: 3;
    max-width: 650px;
    color: var(--color-white);
    padding: 40px 0;
}
.hero__title {
    color: var(--color-white);
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    font-weight: 400;
    line-height: 1.6;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
}
.hero__actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.hero__phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    backdrop-filter: blur(6px);
}
.hero__phone:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-2px);
}
.hero__phone-icon {
    width: 38px;
    height: 38px;
    background: var(--color-emerald);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

/* ===========================
     КАРТОЧКИ УСЛУГ
     =========================== */
.services {
    background: var(--color-white);
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.service-card {
    background: var(--color-beige);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
    position: relative;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-beige-darker);
    background: var(--color-white);
}
.service-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    background: var(--color-burgundy-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: all var(--transition-base);
}
.service-card:hover .service-card__icon {
    background: var(--color-burgundy);
    color: var(--color-white);
    transform: scale(1.08);
}
.service-card__title {
    margin-bottom: 8px;
}
.service-card__desc {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 12px;
    line-height: 1.5;
}
.service-card__price {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-burgundy);
}

/* ===========================
     ПОРТФОЛИО
     =========================== */
.portfolio {
    background: var(--color-beige);
}
.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.portfolio__item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3 / 4;
    background: var(--color-beige-dark);
    transition: all var(--transition-base);
    group: true;
}
.portfolio__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    loading: lazy;
}
.portfolio__item:hover img {
    transform: scale(1.08);
}
.portfolio__item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(44, 44, 44, 0);
    transition: background var(--transition-base);
    z-index: 1;
    pointer-events: none;
}
.portfolio__item:hover::after {
    background: rgba(44, 44, 44, 0.25);
}
.portfolio__item-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}
.portfolio__item:hover .portfolio__item-overlay {
    opacity: 1;
}
.portfolio__item-overlay span {
    background: var(--color-white);
    color: var(--color-dark);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
}
.portfolio__footer {
    text-align: center;
    margin-top: 32px;
}

/* Лайтбокс */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(44, 44, 44, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    padding: 20px;
}
.lightbox.active {
    opacity: 1;
    visibility: visible;
}
.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    cursor: default;
    object-fit: contain;
}
.lightbox__close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 1;
    border: none;
    box-shadow: var(--shadow-md);
}
.lightbox__close:hover {
    background: var(--color-burgundy);
    color: var(--color-white);
    transform: scale(1.05);
}

/* ===========================
     БЛОК «ПОЧЕМУ МЫ»
     =========================== */
.why-us {
    background: var(--color-white);
}
.why-us__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.why-card {
    text-align: center;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background: var(--color-beige);
}
.why-card:hover {
    box-shadow: var(--shadow-md);
    background: var(--color-white);
    transform: translateY(-4px);
}
.why-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--color-emerald-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-emerald);
}
.why-card__title {
    margin-bottom: 6px;
    font-size: 1.05rem;
}
.why-card__desc {
    color: var(--color-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===========================
     ОТЗЫВЫ (слайдер)
     =========================== */
.reviews {
    background: var(--color-beige);
    overflow: hidden;
}
.reviews__slider {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    overflow: hidden;
}
.reviews__track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.review-card {
    min-width: 100%;
    padding: 20px 10px;
    text-align: center;
    flex-shrink: 0;
}
.review-card__inner {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.review-card__avatar {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    object-fit: cover;
    margin: 0 auto 16px;
    border: 3px solid var(--color-beige);
    box-shadow: var(--shadow-sm);
    background: var(--color-beige-dark);
}
.review-card__stars {
    color: #E8B84B;
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.review-card__text {
    color: var(--color-dark-light);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 14px;
    font-size: 0.95rem;
}
.review-card__name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--color-dark);
    font-size: 1rem;
}
/* Навигация слайдера */
.reviews__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}
.reviews__arrow {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    border: 1px solid var(--color-beige-darker);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    color: var(--color-dark);
}
.reviews__arrow:hover {
    background: var(--color-burgundy);
    color: var(--color-white);
    border-color: var(--color-burgundy);
}
.reviews__dots {
    display: flex;
    gap: 8px;
}
.reviews__dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-beige-darker);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    padding: 0;
}
.reviews__dot.active {
    background: var(--color-burgundy);
    width: 28px;
    border-radius: 6px;
}

/* ===========================
     ФОРМА СВЯЗИ
     =========================== */
.contact {
    background: var(--color-white);
}
.contact__form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-beige);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: var(--shadow-md);
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--color-dark);
    letter-spacing: 0.02em;
}
.form-group label .required {
    color: var(--color-burgundy);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    border: 2px solid var(--color-beige-darker);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-dark);
    transition: all var(--transition-fast);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-burgundy);
    box-shadow: 0 0 0 4px var(--color-burgundy-light);
}
.form-group input.error,
.form-group select.error {
    border-color: #D32F2F;
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.08);
}
.form-group .error-message {
    font-size: 0.8rem;
    color: #D32F2F;
    margin-top: 4px;
    display: none;
    font-weight: 500;
}
.form-group input.error+.error-message,
.form-group select.error+.error-message {
    display: block;
}
.form-group textarea {
    resize: vertical;
    min-height: 90px;
}
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B6B' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}
.form__submit {
    width: 100%;
    margin-top: 8px;
}
.form__success {
    display: none;
    text-align: center;
    padding: 20px;
    background: var(--color-emerald-light);
    border-radius: var(--radius-md);
    color: var(--color-emerald);
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    margin-top: 16px;
}
.form__success.visible {
    display: block;
    animation: fadeInUp 0.5s ease;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.btn--loading {
    pointer-events: none;
    opacity: 0.75;
    position: relative;
}
.btn--loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2.5px solid transparent;
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===========================
     ПОДВАЛ (Footer)
     =========================== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 50px 0 24px;
}
.footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}
.footer__col h4 {
    color: var(--color-white);
    margin-bottom: 14px;
    font-size: 1rem;
    letter-spacing: 0.03em;
}
.footer__col p,
.footer__col a {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    display: block;
    transition: color var(--transition-fast);
}
.footer__col a:hover {
    color: var(--color-white);
}
.footer__socials {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}
.footer__socials a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
    color: rgba(255, 255, 255, 0.8);
}
.footer__socials a:hover {
    background: var(--color-burgundy);
    color: var(--color-white);
    transform: translateY(-2px);
}
.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===========================
     МЕДИА-ЗАПРОСЫ (Адаптивность)
     =========================== */

/* Планшеты (≤1024px) */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .why-us__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Планшеты (≤768px) — показываем бургер-меню */
@media (max-width: 768px) {
    .nav__list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: var(--color-white);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 20px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: 1000;
        align-items: flex-start;
    }
    .nav__list.active {
        right: 0;
    }
    .nav__link {
        font-size: 1rem;
        padding: 6px 0;
    }
    .burger {
        display: flex;
    }
    .nav__btn {
        display: none;
    }
    .nav__list .nav__btn-mobile {
        display: block;
        margin-top: 8px;
    }
    .nav__list .nav__btn-mobile .btn {
        width: 100%;
    }

    .menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(44, 44, 44, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .services__grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .service-card {
        padding: 20px 14px;
    }
    .why-us__grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .contact__form-wrapper {
        padding: 24px 18px;
    }
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }
    .footer__socials {
        justify-content: center;
    }
    .section {
        padding: 50px 0;
    }
}

/* Смартфоны (≤480px) */
@media (max-width: 480px) {
    .services__grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    .why-us__grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .hero__title {
        font-size: 1.7rem;
    }
    .hero__subtitle {
        font-size: 0.95rem;
    }
    .btn--lg {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
    .contact__form-wrapper {
        padding: 20px 14px;
        border-radius: var(--radius-lg);
    }
    .section__header {
        margin-bottom: 30px;
    }
    .logo {
        font-size: 1.2rem;
    }
    .logo__icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    .review-card__inner {
        padding: 24px 16px;
    }
}

/* ===========================
     ДОСТУПНОСТЬ: фокус, reduced motion
     =========================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
:focus-visible {
    outline: 3px solid var(--color-burgundy);
    outline-offset: 3px;
    border-radius: 2px;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}