/*
Theme Name: Three Columns Theme  5 RUSRUS
Theme URI: https://github.com/example/threecols-theme
Author: Gemini
Description: Современная адаптивная тема для WordPress с сеткой в 3 колонки, поддержкой мобильного меню и кастомизацией цветов.
Version: 2.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: threecols-theme
*/

/* =========================================================
   1. ОБНУЛЕНИЕ СТИЛЕЙ И БАЗОВЫЕ НАСТРОЙКИ
   ========================================================= */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: var(--theme-bg-color, #ffffff);
    color: var(--theme-text-color, #333333);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--theme-primary-color, #0073aa);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
    opacity: 0.85;
}

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

/* Ограничитель контейнера */
.site-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* =========================================================
   2. ШАПКА САЙТА (HEADER)
   ========================================================= */
.site-header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
}

.site-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.site-title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.site-title a {
    color: var(--theme-text-color, #333333);
}

.site-title a:hover {
    color: var(--theme-primary-color, #0073aa);
    opacity: 1;
}

/* Основная навигация */
.main-menu {
    margin-top: 20px;
}

.main-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.main-menu li {
    position: relative;
}

.main-menu a {
    display: block;
    padding: 6px 0;
    font-weight: 500;
    color: var(--theme-text-color, #333333);
}

.main-menu a:hover,
.main-menu .current-menu-item > a {
    color: var(--theme-primary-color, #0073aa);
}

/* Выпадающие меню (до 4 уровней вложенности) */
.main-menu ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-width: 200px;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    border-radius: 4px;
}

.main-menu ul ul ul {
    top: 0;
    left: 100%;
}

.main-menu li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-menu ul ul a {
    padding: 10px 20px;
    color: #333333 !important;
    font-size: 14px;
}

.main-menu ul ul a:hover {
    background-color: rgba(0, 115, 170, 0.05);
    color: var(--theme-primary-color, #0073aa) !important;
}

/* Форма поиска */
.site-search {
    margin-top: 20px;
    max-width: 400px;
}

.search-form {
    display: flex;
    width: 100%;
    gap: 8px;
}

.search-field {
    flex-grow: 1;
    padding: 10px 14px;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 4px;
    font-size: 14px;
    background-color: #ffffff;
    color: #333;
    outline: none;
    transition: border-color 0.2s;
}

.search-field:focus {
    border-color: var(--theme-primary-color, #0073aa);
}

.search-submit {
    padding: 10px 20px;
    background-color: var(--theme-primary-color, #0073aa);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, opacity 0.2s;
}

.search-submit:hover {
    opacity: 0.9;
}

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal;
}

/* Кнопка гамбургера для мобильных */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    outline: none;
    z-index: 1000;
}

.menu-icon {
    display: block;
    width: 22px;
    height: 14px;
    position: relative;
}

.menu-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background-color: var(--theme-text-color, #333333);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.menu-icon span:nth-child(1) { top: 0px; }
.menu-icon span:nth-child(2) { top: 6px; }
.menu-icon span:nth-child(3) { top: 12px; }

/* Анимация гамбургера в крестик при активации */
.menu-toggle.is-active .menu-icon span:nth-child(1) { top: 6px; transform: rotate(135deg); }
.menu-toggle.is-active .menu-icon span:nth-child(2) { opacity: 0; left: -60px; }
.menu-toggle.is-active .menu-icon span:nth-child(3) { top: 6px; transform: rotate(-135deg); }


/* =========================================================
   3. ГЛАВНЫЙ КОНТЕНТ И СЕТКА ЗАПИСЕЙ (GRID)
   ========================================================= */
.site-main {
    flex-grow: 1;
    padding-bottom: 60px;
}

.count-note {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 24px;
    font-style: italic;
}

.search-title {
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
}

/* Сетка в 3 колонки */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.post-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.12);
}

.post-link {
    display: block;
    height: 100%;
    color: inherit;
}

.post-link:hover {
    opacity: 1; /* Отменяем общее затухание ссылок для карточки */
}

/* Контейнер миниатюры 16:9 */
.thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: rgba(0,0,0,0.04);
    overflow: hidden;
    position: relative;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .thumb img {
    transform: scale(1.03);
}

/* Текстовая часть карточки */
.post-title {
    font-size: 18px;
    margin: 16px 16px 8px 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--theme-text-color, #333333);
    transition: color 0.2s;
}

.post-card:hover .post-title {
    color: var(--theme-primary-color, #0073aa);
}

.post-meta {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.45);
    margin: 0 16px 12px 16px;
}

.post-excerpt {
    font-size: 14px;
    line-height: 1.5;
    margin: 0 16px 20px 16px;
    color: rgba(0, 0, 0, 0.7);
}

.no-posts {
    font-size: 18px;
    color: rgba(0,0,0,0.5);
    text-align: center;
    padding: 40px 0;
}

/* Пагинация */
.pagination-wrap {
    margin-top: 50px;
    text-align: center;
}

.pagination-wrap .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination-wrap .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 6px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 4px;
    font-weight: 500;
    color: var(--theme-text-color, #333333);
}

.pagination-wrap .page-numbers.current {
    background-color: var(--theme-primary-color, #0073aa);
    color: #ffffff;
    border-color: var(--theme-primary-color, #0073aa);
}

.pagination-wrap a.page-numbers:hover {
    border-color: var(--theme-primary-color, #0073aa);
    color: var(--theme-primary-color, #0073aa);
}


/* =========================================================
   4. СТРАНИЦА ОДИНОЧНОЙ СТАТЬИ (SINGLE POST)
   ========================================================= */
.single-post {
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 60px;
}

.single-title {
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 12px;
    font-weight: 700;
}

.single-meta {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.45);
    margin-bottom: 30px;
}

.single-thumb {
    margin-bottom: 35px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.single-thumb img {
    width: 100%;
}

.single-content {
    font-size: 17px;
    line-height: 1.75;
}

.single-content p {
    margin-bottom: 24px;
}

.single-content h2 { font-size: 26px; margin: 40px 0 20px 0; }
.single-content h3 { font-size: 22px; margin: 30px 0 15px 0; }

.single-content blockquote {
    margin: 30px 0;
    padding-left: 20px;
    border-left: 4px solid var(--theme-primary-color, #0073aa);
    font-style: italic;
    color: rgba(0,0,0,0.8);
}


/* =========================================================
   5. ПОДВАЛ САЙТА (FOOTER)
   ========================================================= */
.site-footer {
    margin-top: auto;
    padding: 30px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.site-footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-title {
    font-weight: 700;
    margin: 0;
    font-size: 16px;
}

.footer-text {
    margin: 0;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.5);
}


/* =========================================================
   6. АДАПТИВНОСТЬ / МЕДИА-ЗАПРОСЫ (MEDIA QUERIES)
   ========================================================= */

/* --- Планшетная версия --- */
@media (max-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 колонки на планшетах */
        gap: 20px;
    }
    .single-title {
        font-size: 30px;
    }
}

/* --- Мобильная версия --- */
@media (max-width: 767px) {
    .site-header {
        padding: 15px 0;
        margin-bottom: 25px;
    }

    .menu-toggle {
        display: block; /* Показываем кнопку бургера */
    }

    /* Превращаем меню в выпадающую мобильную панель */
    .main-menu {
        display: none; /* Скрыто по умолчанию */
        width: 100%;
        margin-top: 15px;
        background-color: var(--theme-bg-color, #ffffff);
        border-top: 1px solid rgba(0,0,0,0.05);
        padding-top: 10px;
    }

    /* Класс .is-open добавляется через JS при клике на бургер */
    .main-menu.is-open {
        display: block;
    }

    .main-menu ul {
        flex-direction: column;
        gap: 0;
    }

    .main-menu li {
        width: 100%;
    }

    .main-menu a {
        padding: 12px 0;
        border-bottom: 1px solid rgba(0,0,0,0.03);
    }

    /* Мобильное выпадающее меню (подменю) */
    .main-menu ul ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 15px;
        background-color: transparent;
        display: block;
    }
    
    .main-menu ul ul a {
        padding: 10px 0;
    }

    .site-search {
        max-width: 100%;
    }

    /* Сетка превращается в 1 колонку */
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .single-title {
        font-size: 24px;
    }

    .site-footer-inner {
        flex-direction: column;
        text-align: center;
    }
}