/* Глобальные настройки и переменные */
:root {
    --font-main: 'Inter', sans-serif;
    --font-headings: 'Playfair Display', serif;
    
    --color-bg: #F9F9F9;
    --color-text: #2C3E50;
    --color-primary: #3498DB;
    --color-primary-hover: #2980B9;
    --color-light-gray: #EAECEE;
    --color-border: #DDE1E3;
    --color-white: #FFFFFF;

    --container-width: 1200px;
    --container-padding: 15px;
    --transition-duration: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

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

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Хедер */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

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

.header__logo {
    font-family: var(--font-headings);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}

.header__nav-list {
    display: flex;
    gap: 30px;
}

.header__nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding-bottom: 5px;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-duration) ease;
}

.header__nav-link:hover {
    color: var(--color-primary);
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__burger-btn {
    display: none; /* Будет виден на мобильных устройствах */
    color: var(--color-text);
}

/* Футер */
.footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: 60px 0;
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
}

.footer__logo {
    font-family: var(--font-headings);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: 15px;
}

.footer__copy {
    font-size: 14px;
    color: #BDC3C7; /* Более светлый серый для копирайта */
}

.footer__title {
    font-family: var(--font-headings);
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__link {
    color: #BDC3C7;
    font-size: 15px;
    position: relative;
    display: inline-block;
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__list--contacts .footer__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.footer__icon {
    flex-shrink: 0;
    margin-top: 3px;
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.footer__address {
    font-style: normal;
    color: #BDC3C7;
    font-size: 15px;
}

/* Адаптивность */
@media (max-width: 992px) {
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none; /* Скрываем навигацию, готовим под мобильное меню */
    }

    .header__burger-btn {
        display: block;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__list--contacts .footer__item {
       justify-content: center;
    }
}

/* --- Стили для общих компонентов --- */
.button {
    display: inline-block;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    color: var(--color-white);
    background-color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease, transform var(--transition-duration) ease;
}

.button:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
}


/* --- Hero Section --- */
.hero {
    background-color: var(--color-white);
    padding: 80px 0;
    min-height: calc(100vh - 85px); /* Высота экрана минус высота хедера */
    display: flex;
    align-items: center;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.hero__content {
    max-width: 550px;
}

.hero__title {
    font-family: var(--font-headings);
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
}

/* Стили для анимации заголовка */
.hero__title .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.hero__title .word.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 30px;
    color: #5D6D7E; /* Немного светлее основного текста */
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.1);
}


/* Адаптивность для Hero Section */
@media (max-width: 992px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__content {
        max-width: 100%;
        order: 2; /* Текст будет под картинкой */
    }

    .hero__visual {
        order: 1; /* Картинка будет над текстом */
        margin-bottom: 40px;
    }
    
    .hero__title {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    
    .hero__title {
        font-size: 32px;
    }
    
    .hero__subtitle {
        font-size: 16px;
    }
}

/* --- Стили для общих секций --- */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header__title {
    font-family: var(--font-headings);
    font-size: 38px;
    margin-bottom: 15px;
}

.section-header__subtitle {
    font-size: 18px;
    color: #5D6D7E;
    line-height: 1.7;
}


/* --- Diagnostics Section --- */
.diagnostics {
    background-color: var(--color-bg);
}

.diagnostics__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.diagnostics__card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

.diagnostics__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(44, 62, 80, 0.12);
}

.diagnostics__card-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-light-gray);
    border-radius: 50%;
    margin-bottom: 25px;
}

.diagnostics__card-icon i {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.diagnostics__card-title {
    font-family: var(--font-headings);
    font-size: 22px;
    margin-bottom: 15px;
}

.diagnostics__card-text {
    font-size: 15px;
    line-height: 1.6;
    color: #5D6D7E;
}

/* Адаптивность для Diagnostics Section */
@media (max-width: 992px) {
    .diagnostics__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-header__title {
        font-size: 32px;
    }

    .section-header__subtitle {
        font-size: 16px;
    }

    .diagnostics__card {
        padding: 30px;
    }
}

/* --- Strategy Section --- */
.strategy {
    background-color: var(--color-white);
}

.strategy__tabs-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.strategy__tab-btn {
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 500;
    color: #5D6D7E;
    border-bottom: 3px solid transparent;
    transform: translateY(1px);
    transition: color var(--transition-duration) ease, border-color var(--transition-duration) ease;
}

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

.strategy__tab-btn.is-active {
    color: var(--color-text);
    border-bottom-color: var(--color-primary);
}

.strategy__tab-pane {
    display: none;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    animation: fadeIn 0.5s ease-in-out;
}

.strategy__tab-pane.is-active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.strategy__pane-title {
    font-family: var(--font-headings);
    font-size: 32px;
    margin-bottom: 20px;
}

.strategy__pane-description {
    font-size: 17px;
    margin-bottom: 25px;
    line-height: 1.7;
}

.strategy__pane-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.strategy__pane-list li {
    font-size: 16px;
    padding-left: 30px;
    position: relative;
}

.strategy__pane-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: 600;
}

.strategy__pane-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.strategy__pane-image {
    width: 100%;
    max-width: 450px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.08);
}

/* Адаптивность для Strategy Section */
@media (max-width: 992px) {
    .strategy__tab-pane {
        grid-template-columns: 1fr;
    }

    .strategy__pane-visual {
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    .strategy__tabs-nav {
        flex-wrap: wrap; /* Для маленьких экранов кнопки могут переноситься */
        gap: 10px;
    }
    
    .strategy__tab-btn {
        font-size: 16px;
        padding: 12px 20px;
    }

    .strategy__pane-title {
        font-size: 28px;
    }
}

/* --- Cases Section --- */
.cases {
    background-color: var(--color-bg);
    overflow: hidden; /* Важно для корректного отображения слайдера */
}

.cases__slider-container {
    position: relative;
}

.cases-slider {
    padding: 10px 10px 50px 10px; /* Добавляем отступ снизу для пагинации */
}

.case-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card__part {
    padding: 30px;
    flex-grow: 1;
}

.case-card__part--after {
    background-color: #F4F6F7;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    position: relative;
}

.case-card__arrow {
    background-color: var(--color-bg);
    padding: 10px 0;
    text-align: center;
    color: var(--color-primary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.case-card__arrow i {
    width: 28px;
    height: 28px;
}

.case-card__title {
    font-family: var(--font-headings);
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--color-text);
}

.case-card__text {
    color: #5D6D7E;
    font-size: 15px;
    line-height: 1.6;
}

.case-card__result {
    display: inline-block;
    margin-top: 20px;
    padding: 5px 15px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Стилизация навигации Swiper */
.swiper-button-next,
.swiper-button-prev {
    color: var(--color-primary);
    width: 44px;
    height: 44px;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 20px;
    font-weight: bold;
}

.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background-color: #BDC3C7;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background-color: var(--color-primary);
}


/* Адаптивность для Cases Section */
@media (max-width: 768px) {
    .swiper-button-next,
    .swiper-button-prev {
        display: none; /* Скрываем стрелки на мобильных, свайп удобнее */
    }
}

/* --- Blog Section --- */
.blog {
    background-color: var(--color-white);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition-duration) ease, transform var(--transition-duration) ease;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(44, 62, 80, 0.12);
}

.blog-card__image-wrapper {
    overflow: hidden;
    height: 220px;
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.blog-card__content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.blog-card__title {
    font-family: var(--font-headings);
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 15px;
    color: var(--color-text);
    flex-grow: 1; /* Заголовок занимает все доступное место, прижимая ссылку "Читать" вниз */
}

.blog-card__excerpt {
    font-size: 15px;
    color: #5D6D7E;
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-card__read-more {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: auto; /* Прижимает ссылку к низу карточки */
}

.blog-card__read-more i {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-duration) ease;
}

.blog-card:hover .blog-card__read-more i {
    transform: translateX(4px);
}


/* Адаптивность для Blog Section */
@media (max-width: 992px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog__grid {
        grid-template-columns: 1fr;
    }
}
/* --- Contact Section --- */
.contact {
    background-color: var(--color-bg);
}

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    background-color: var(--color-white);
    padding: 60px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.contact__info-title {
    font-family: var(--font-headings);
    font-size: 28px;
    margin-bottom: 20px;
}

.contact__info-text {
    margin-bottom: 30px;
    line-height: 1.7;
    color: #5D6D7E;
}

.contact__info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact__info-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.contact__info-list i {
    color: var(--color-primary);
    width: 22px;
    height: 22px;
}
.contact__info-list a:hover {
    color: var(--color-primary);
}


/* Форма */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 15px;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-input.is-invalid {
    border-color: #E74C3C;
}

.form-group--checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.form-group--checkbox input[type="checkbox"] {
    width: 1.2em;
    height: 1.2em;
    flex-shrink: 0;
}
.form-group--checkbox label {
    margin: 0;
    font-size: 14px;
    color: #5D6D7E;
}
.form-group--checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.contact-form__submit {
    width: 100%;
    padding: 15px;
    font-size: 18px;
}

.form-message {
    padding: 15px;
    margin-top: 20px;
    border-radius: 8px;
    text-align: center;
    display: none; /* Скрыто по умолчанию */
}
.form-message.is-success {
    background-color: #D4EFDF;
    color: #196F3D;
    display: block;
}
.form-message.is-error {
    background-color: #FADBD8;
    color: #A93226;
    display: block;
}


/* Адаптивность для Contact Section */
@media (max-width: 992px) {
    .contact__wrapper {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .contact__wrapper {
        padding: 30px;
    }
}

/* --- Cookie Pop-up --- */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 20px;
    z-index: 200;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}

.cookie-popup.is-visible {
    transform: translateY(0);
}

.cookie-popup__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 20px;
}

.cookie-popup__text {
    font-size: 15px;
}

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

.cookie-popup__btn {
    padding: 8px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    background-color: var(--color-white);
    border-radius: 6px;
    flex-shrink: 0;
    transition: background-color var(--transition-duration) ease, color var(--transition-duration) ease;
}

.cookie-popup__btn:hover {
    background-color: #f1f1f1;
}

@media (max-width: 768px) {
    .cookie-popup__content {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Стили для страниц с политиками (pages.html) --- */
.pages {
    padding: 60px 0;
    background-color: var(--color-white);
}

.pages .container {
    max-width: 800px; /* Ограничиваем ширину для лучшей читабельности */
}

.pages h1, .pages h2 {
    font-family: var(--font-headings);
    margin-bottom: 20px;
}

.pages h1 {
    font-size: 42px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.pages h2 {
    font-size: 28px;
    margin-top: 40px;
}

.pages p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.pages ul {
    list-style-type: disc;
    padding-left: 25px;
    margin-bottom: 20px;
}

.pages li {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.pages a {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 500;
}

.pages a:hover {
    color: var(--color-primary-hover);
}

.pages strong {
    font-weight: 600;
}