/* ===================================
   CSS СТИЛИ ДЛЯ ЛЕНДИНГА ССК-М
   =================================== */

/* --- Переменные --- */
:root {
    /* Цвета */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152d4a;
    --color-accent: #F47920;
    --color-accent-dark: #d9691a;
    --color-accent-text: #C65D00; /* Более тёмный для текста (контраст 4.5:1) */
    --color-success: #28A745;
    --color-white: #FFFFFF;
    --color-bg-light: #F5F7FA;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E0E4E8;

    /* Шрифты */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Размеры */
    --container-width: 1200px;
    --section-padding: 80px;
    --border-radius: 8px;
    --border-radius-lg: 16px;

    /* Тени */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Переходы */
    --transition: 0.3s ease;
}

/* --- Skip Link для accessibility --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    border-radius: var(--border-radius);
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 10px;
    color: var(--color-white);
}

/* --- Сброс и базовые стили --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

/* --- Контейнер --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Типографика --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.section__title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
}

.section__subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 40px;
}

/* --- Кнопки --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--lg {
    padding: 18px 36px;
    font-size: 18px;
}

.btn--full {
    width: 100%;
}

/* Состояние загрузки кнопки */
.btn--loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn--loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Успешная отправка */
.btn--success {
    background-color: var(--color-success) !important;
    border-color: var(--color-success) !important;
}

/* Ошибка формы */
.form__error {
    padding: 12px 16px;
    margin-bottom: 16px;
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--border-radius);
    color: #DC2626;
    font-size: 14px;
    animation: shake 0.4s ease;
}

/* --- Формы --- */
.form__group {
    margin-bottom: 16px;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-primary);
    font-size: 16px;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

/* Visible focus for keyboard navigation */
.form__input:focus-visible,
.form__textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-light);
}

.form__textarea {
    resize: vertical;
    min-height: 100px;
}

/* Чекбокс */
.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.checkbox input {
    display: none;
}

.checkbox__box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition);
}

.checkbox input:checked + .checkbox__box {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox input:checked + .checkbox__box::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox__text {
    font-size: 14px;
    color: var(--color-text-light);
}

.checkbox__text a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===================================
   ШАПКА
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo__image {
    height: 105px;
    width: auto;
    object-fit: contain;
    margin: -12px 0;
}

.logo__text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.logo__tagline {
    font-size: 12px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav__list {
    display: flex;
    gap: 20px;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

.nav__link:hover {
    color: var(--color-accent);
}

.header__contacts {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header__phone {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

.header__callback {
    padding: 10px 20px;
    font-size: 14px;
}

/* Бургер меню */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.burger span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* Активное состояние бургера */
.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(5px, -5px);
}


/* Скрыть мобильные контакты на десктопе */
.nav__mobile-contacts {
    display: none;
}

/* Блокировка прокрутки */
body.menu-open {
    overflow: hidden;
}

/* ===================================
   HERO СЕКЦИЯ
   =================================== */
.hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.92) 0%, rgba(30, 58, 95, 0.75) 100%),
                url('images/hero-bg.jpg') center/cover no-repeat;
    min-height: 100vh;
    max-height: 900px;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
    min-height: calc(100vh - 180px);
    max-height: 720px;
}

.hero__content {
    max-width: 640px;
}

.hero__title {
    font-size: 52px;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.15;
}

.hero__title-accent {
    color: rgba(255, 255, 255, 0.95);
}

.hero__label {
    display: inline-block;
    padding: 8px 16px;
    background-color: rgba(244, 121, 32, 0.15);
    border: 1px solid rgba(244, 121, 32, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero__subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__buttons .btn--outline {
    color: var(--color-white);
    border-color: var(--color-white);
}

.hero__buttons .btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.hero__features-block {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero__feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.hero__feature-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(40, 167, 69, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.hero__feature-icon {
    color: var(--color-success);
}

.hero__feature-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero__feature-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-white);
}

.hero__feature-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   КАТАЛОГ УСЛУГ
   =================================== */
.services {
    padding: var(--section-padding) 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card__image {
    height: 180px;
    overflow: hidden;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.service-card:hover .service-card__image img {
    transform: scale(1.05);
}

.service-card__content {
    padding: 20px;
}

.service-card__title {
    font-size: 18px;
    margin-bottom: 12px;
}

.service-card__text {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.5;
}

.service-card__price {
    display: block;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-accent-text);
    margin-bottom: 12px;
}

.service-card__link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
}

/* ===================================
   КВИЗ-КАЛЬКУЛЯТОР
   =================================== */
.quiz {
    padding: var(--section-padding) 0;
    background-color: var(--color-bg-light);
}

.quiz__wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.quiz__header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 40px;
    text-align: center;
}

.quiz__title {
    font-size: 28px;
    color: var(--color-white);
    margin-bottom: 12px;
}

.quiz__subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
}

.quiz__body {
    padding: 40px;
}

.quiz__progress {
    height: 6px;
    background-color: var(--color-border);
    border-radius: 3px;
    margin-bottom: 12px;
    overflow: hidden;
}

.quiz__progress-bar {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.quiz__step-info {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.quiz__step {
    display: none;
}

.quiz__step--active {
    display: block;
}

.quiz__question {
    font-size: 22px;
    margin-bottom: 24px;
}

.quiz__options--grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quiz__options--list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quiz__option {
    cursor: pointer;
}

.quiz__option input {
    display: none;
}

.quiz__option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background-color: var(--color-bg-light);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.quiz__options--list .quiz__option-content {
    flex-direction: row;
    justify-content: space-between;
    padding: 16px 20px;
}

.quiz__option input:checked + .quiz__option-content {
    border-color: var(--color-primary);
    background-color: rgba(30, 58, 95, 0.05);
}

.quiz__option:hover .quiz__option-content {
    border-color: var(--color-border);
}

.quiz__option-icon {
    color: var(--color-primary);
}

.quiz__option-text {
    font-weight: 500;
    color: var(--color-text);
}

.quiz__option-price {
    font-size: 14px;
    color: var(--color-accent-text);
    font-weight: 600;
}

.quiz__option-badge {
    font-size: 12px;
    padding: 4px 10px;
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: 20px;
}

.quiz__nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.quiz__btn--prev:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quiz__form {
    margin-bottom: 24px;
}

.quiz__bonus {
    display: flex;
    gap: 16px;
    padding: 20px;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
}

.quiz__bonus-icon {
    font-size: 32px;
}

.quiz__bonus-text {
    font-size: 14px;
    color: var(--color-text-light);
}

.quiz__bonus-text strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 4px;
}

/* Ошибка валидации квиза */
.quiz__error {
    padding: 12px 16px;
    margin-bottom: 16px;
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--border-radius);
    color: #DC2626;
    font-size: 14px;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.quiz__option-content--error {
    border-color: #FECACA !important;
    background-color: #FEF2F2 !important;
}

/* ===================================
   ПРЕИМУЩЕСТВА
   =================================== */
.advantages {
    padding: var(--section-padding) 0;
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage-card {
    text-align: center;
    padding: 32px;
}

.advantage-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-light);
    border-radius: 50%;
    color: var(--color-primary);
}

.advantage-card__title {
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-card__text {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===================================
   СХЕМА РАБОТЫ
   =================================== */
.workflow {
    padding: var(--section-padding) 0;
    background-color: var(--color-bg-light);
}

.workflow__steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
}

.workflow__steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 40px;
    right: 40px;
    height: 2px;
    background-color: var(--color-border);
}

.workflow__step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.workflow__step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    background-color: var(--color-primary);
    border-radius: 50%;
}

.workflow__step-title {
    font-size: 16px;
    margin-bottom: 8px;
}

.workflow__step-text {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 8px;
}

.workflow__step-time {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-text);
}

/* ===================================
   ПОРТФОЛИО
   =================================== */
.portfolio {
    padding: var(--section-padding) 0;
}

.portfolio__filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.portfolio__filter {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
}

.portfolio__filter:hover,
.portfolio__filter--active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.portfolio__item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.portfolio__image {
    height: 280px;
}

.portfolio__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.portfolio__item:hover .portfolio__image img {
    transform: scale(1.05);
}

.portfolio__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--color-white);
}

.portfolio__type {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

.portfolio__location {
    display: block;
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 4px;
}

.portfolio__details {
    font-size: 13px;
    opacity: 0.8;
}

.portfolio__cta {
    text-align: center;
}

.portfolio__cta p {
    font-size: 18px;
    margin-bottom: 20px;
}

/* ===================================
   ОТЗЫВЫ
   =================================== */
.reviews {
    padding: var(--section-padding) 0;
    background-color: var(--color-bg-light);
}

.reviews__slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto 40px;
}

.reviews__track {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 20px 0;
}

.reviews__track::-webkit-scrollbar {
    display: none;
}

.review-card {
    flex: 0 0 calc(33.333% - 16px);
    min-width: 300px;
    padding: 28px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    scroll-snap-align: start;
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--color-bg-light);
}

.review-card__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-card__author {
    flex: 1;
}

.review-card__name {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

.review-card__location {
    font-size: 13px;
    color: var(--color-text-light);
}

.review-card__rating {
    color: #FFB800;
    font-size: 14px;
}

.review-card__text {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 16px;
}

.review-card__source {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-light);
}

.review-card__source svg {
    color: var(--color-success);
}

.reviews__nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.reviews__nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
}

.reviews__nav-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.reviews__dots {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.reviews__dot {
    width: 10px;
    height: 10px;
    background-color: var(--color-border);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
}

.reviews__dot--active {
    background-color: var(--color-primary);
    transform: scale(1.2);
}

.reviews__widget {
    text-align: center;
}

.reviews__widget-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.reviews__widget-score {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
}

.reviews__widget-stars {
    font-size: 24px;
    color: #FFB800;
}

.reviews__widget-count {
    font-size: 14px;
    color: var(--color-text-light);
}

.reviews__widget-link {
    font-size: 14px;
    font-weight: 500;
}

/* ===================================
   FAQ
   =================================== */
.faq {
    padding: var(--section-padding) 0;
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 24px 0;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__icon {
    flex-shrink: 0;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.faq__item[open] .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    padding-bottom: 24px;
    overflow: hidden;
    animation: faqOpen 0.3s ease;
}

@keyframes faqOpen {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq__answer p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   КОНТАКТЫ
   =================================== */
.contacts {
    padding: var(--section-padding) 0;
    background-color: var(--color-bg-light);
}

.contacts__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contacts__title {
    font-size: 32px;
    margin-bottom: 12px;
}

.contacts__subtitle {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 32px;
}

.contacts__form {
    background-color: var(--color-white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contacts__info-item {
    display: flex;
    gap: 16px;
}

.contacts__info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.contacts__info-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.contacts__info-value {
    font-weight: 500;
    color: var(--color-text);
}

a.contacts__info-value:hover {
    color: var(--color-accent);
}

.contacts__messengers {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contacts__messengers-label {
    font-size: 14px;
    color: var(--color-text-light);
}

.contacts__messengers-list {
    display: flex;
    gap: 12px;
}

.contacts__messenger {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-white);
    transition: transform var(--transition);
}

.contacts__messenger:hover {
    transform: scale(1.1);
    color: var(--color-white);
}

.contacts__messenger--whatsapp {
    background-color: #25D366;
}

.contacts__messenger--telegram {
    background-color: #0088cc;
}

.contacts__map {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.contacts__map-container {
    height: 400px;
    background-color: var(--color-border);
}

.contacts__map-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

/* ===================================
   ФУТЕР
   =================================== */
.footer {
    padding: 60px 0 30px;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo .logo__text {
    color: var(--color-white);
}

.footer__logo .logo__image {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer__description {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer__nav-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer__nav-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__nav-list a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer__nav-list a:hover {
    color: var(--color-white);
}

.footer__phone {
    display: block;
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 8px;
}

.footer__email {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.footer__email:hover {
    color: var(--color-white);
}

.footer__address {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.footer__bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   ПЛАВАЮЩИЕ КНОПКИ
   =================================== */
.floating-buttons {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition);
}

.floating-btn:hover {
    transform: scale(1.1);
    color: var(--color-white);
}

.floating-btn--whatsapp {
    background-color: #25D366;
}

/* ===================================
   МОБИЛЬНАЯ ПАНЕЛЬ
   =================================== */
.mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

.mobile-bar__btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    text-decoration: none;
}

.mobile-bar__btn--call {
    background-color: var(--color-primary);
}

.mobile-bar__btn--calc {
    background-color: var(--color-accent);
}

/* ===================================
   МОДАЛЬНОЕ ОКНО
   =================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal--active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 440px;
    padding: 40px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px;
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    transition: color var(--transition);
}

.modal__close:hover {
    color: var(--color-text);
}

.modal__title {
    font-size: 24px;
    margin-bottom: 8px;
    text-align: center;
}

.modal__subtitle {
    font-size: 14px;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 24px;
}

/* ===================================
   АДАПТИВНОСТЬ
   =================================== */

/* Большие планшеты / маленькие ноутбуки */
@media (max-width: 1200px) {
    /* Шапка - компактнее */
    .nav__list {
        gap: 12px;
    }

    .nav__link {
        font-size: 14px;
    }

    .header__phone {
        font-size: 16px;
        white-space: nowrap;
    }

    .header__callback {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* Промежуточный брейкпоинт - скрываем кнопку раньше */
@media (max-width: 1100px) {
    .header__callback {
        display: none;
    }

    .header__contacts {
        gap: 0;
    }
}

/* Ещё компактнее перед переходом на бургер */
@media (max-width: 1050px) {
    .nav__list {
        gap: 8px;
    }

    .nav__link {
        font-size: 13px;
    }

    .header__phone {
        font-size: 15px;
    }
}

/* Планшеты */
@media (max-width: 1024px) {
    /* Шапка - скрываем навигацию и контакты */
    .header__contacts {
        display: none;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-white);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
        z-index: 1000;
    }

    .nav--active {
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .nav__link {
        font-size: 20px;
        font-weight: 600;
    }

    .nav__mobile-contacts {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        margin-top: 32px;
        padding-top: 32px;
        border-top: 1px solid var(--color-border);
    }

    .nav__phone {
        font-family: var(--font-heading);
        font-size: 20px;
        font-weight: 600;
        color: var(--color-primary);
    }

    .burger {
        display: flex;
    }

    /* Hero для планшетов */
    .hero {
        max-height: none;
    }

    .hero__container {
        grid-template-columns: 1fr 360px;
        gap: 40px;
        min-height: auto;
        max-height: none;
    }

    .hero__title {
        font-size: 42px;
    }

    .hero__features-block {
        padding: 24px;
    }

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

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

    .workflow__steps {
        grid-template-columns: repeat(3, 1fr);
        row-gap: 40px;
    }

    .workflow__steps::before {
        display: none;
    }

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

    /* Футер - компактнее */
    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 24px;
    }

    .footer__logo .logo__image {
        height: 100px;
    }
}

/* Средние планшеты */
@media (max-width: 900px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero__content {
        max-width: 100%;
        text-align: center;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__features-block {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Мобильные устройства */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .section__title {
        font-size: 28px;
    }

    /* Шапка */
    .header__container {
        height: 64px;
    }

    .logo__image {
        height: 82px;
        margin: -9px 0;
    }

    /* Hero */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
        max-height: none;
    }

    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
        min-height: auto;
        max-height: none;
    }

    .hero__content {
        max-width: 100%;
        text-align: left;
    }

    .hero__title {
        font-size: 32px;
    }

    .hero__label {
        font-size: 12px;
        padding: 6px 12px;
        margin-bottom: 20px;
    }

    .hero__subtitle {
        font-size: 16px;
        margin-bottom: 28px;
    }

    .hero__buttons {
        flex-direction: column;
        justify-content: flex-start;
    }

    .hero__features-block {
        padding: 24px;
        padding-bottom: 80px;
        max-width: 100%;
    }

    .hero__features {
        gap: 20px;
    }

    .hero__feature-icon-wrap {
        width: 40px;
        height: 40px;
    }

    .hero__feature-title {
        font-size: 15px;
    }

    .hero__feature-desc {
        font-size: 13px;
    }

    /* Услуги */
    .services__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Квиз */
    .quiz__header,
    .quiz__body {
        padding: 24px;
    }

    .quiz__title {
        font-size: 22px;
    }

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

    /* Преимущества */
    .advantages__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Схема работы */
    .workflow__steps {
        grid-template-columns: 1fr;
    }

    .workflow__step {
        display: flex;
        text-align: left;
        gap: 20px;
    }

    .workflow__step-number {
        flex-shrink: 0;
        margin: 0;
    }

    /* Портфолио */
    .portfolio__filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 12px;
        flex-wrap: nowrap;
    }

    .portfolio__filter {
        flex-shrink: 0;
    }

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

    /* Отзывы */
    .review-card {
        flex: 0 0 calc(100% - 40px);
    }

    /* FAQ */
    .faq__question {
        font-size: 16px;
        padding: 20px 0;
    }

    /* Контакты */
    .contacts__wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contacts__form {
        padding: 24px;
    }

    /* Футер - 2 колонки для компактности */
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer__company {
        grid-column: 1 / -1;
    }

    .footer__logo .logo__image {
        height: 60px;
    }

    .footer__description {
        margin-top: 12px;
    }

    .footer__nav-title {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .footer__nav-list {
        gap: 8px;
    }

    .footer__nav-list a {
        font-size: 13px;
    }

    .footer__phone {
        font-size: 16px;
    }

    /* Мобильная панель — появляется при скролле через JS */
    .mobile-bar {
        display: flex;
        transform: translateY(100%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .mobile-bar--visible {
        transform: translateY(0);
        opacity: 1;
    }

    .floating-buttons {
        bottom: 24px;
        transition: bottom 0.3s ease;
    }

    .floating-buttons--shifted {
        bottom: 80px;
    }

    /* Отступ для мобильной панели */
    .footer {
        padding-bottom: 100px;
    }
}

/* Маленькие мобильные */
@media (max-width: 375px) {
    .hero__title {
        font-size: 26px;
    }

    .hero__title-accent {
        display: block;
    }

    .hero__label {
        font-size: 11px;
        padding: 5px 10px;
    }

    .btn--lg {
        padding: 14px 24px;
        font-size: 16px;
    }

    .hero__feature-icon-wrap {
        width: 36px;
        height: 36px;
    }

    .hero__feature-icon {
        width: 18px;
        height: 18px;
    }
}