/* ============================================================
   Сайт Антона Копнина — стили
   Фокус: читабельность, типографика, мобильная адаптивность
   ============================================================ */

/* Импорт шрифтов */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;1,400&family=Inter:wght@400;500;600&display=swap');

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

:root {
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-link: #2c5f8a;
  --color-link-hover: #1a3d5c;
  --color-bg: #fafaf8;
  --color-surface: #fff;
  --color-border: #e0ddd8;
  --color-badge-newspaper: #c0392b;
  --color-badge-category: #2c5f8a;
  --color-accent: #c0392b;
  --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --line-height-body: 1.85;
  --max-width-content: 720px;
  --max-width-site: 1100px;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: var(--line-height-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Шапка ── */
.site-header {
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  padding: 1.25rem 1.5rem;
}

.site-header__inner {
  max-width: var(--max-width-site);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-header__logo {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__logo:hover {
  color: var(--color-link);
}

.site-header__subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── Основной контейнер ── */
.site-main {
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Фильтр по рубрикам ── */
.category-filter {
  margin-bottom: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.category-filter__label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 0.25rem;
}

.category-filter__link {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  border: 1.5px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.15s ease;
  background: var(--color-surface);
}

.category-filter__link:hover {
  border-color: var(--color-link);
  color: var(--color-link);
}

.category-filter__link--active {
  background: var(--color-link);
  border-color: var(--color-link);
  color: #fff;
}

/* ── Сетка статей ── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}

/* ── Карточка статьи ── */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.article-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.article-card__badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.badge--category {
  background: #e8f0f8;
  color: var(--color-badge-category);
}

.badge--newspaper {
  background: var(--color-badge-newspaper);
  color: #fff;
}

.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
}

.article-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

.article-card__title a:hover {
  color: var(--color-link);
}

.article-card__date {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: auto;
}

/* ── Пагинация ── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.pagination__link,
.pagination__current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-decoration: none;
  border: 1.5px solid var(--color-border);
  transition: all 0.15s;
}

.pagination__link {
  color: var(--color-text);
  background: var(--color-surface);
}

.pagination__link:hover {
  border-color: var(--color-link);
  color: var(--color-link);
}

.pagination__current {
  background: var(--color-link);
  border-color: var(--color-link);
  color: #fff;
  font-weight: 600;
}

.pagination__dots {
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  padding: 0 0.25rem;
}

/* ── Детальная страница статьи ── */
.article-page {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.article-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.15s;
}

.article-page__back:hover {
  color: var(--color-link);
}

.article-page__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.article-page__date {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.article-page__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.article-page__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* ── Текст статьи ── */
.article-body {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: var(--line-height-body);
  color: var(--color-text);
}

.article-body p {
  margin-bottom: 1.4em;
}

.article-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2em 0 0.75em;
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.75em 0 0.6em;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1.5em 0;
  display: block;
}

.article-body figure {
  margin: 2em 0;
}

.article-body figcaption {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5em;
  font-style: italic;
}

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.75em 1.5em;
  margin: 1.75em 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.article-body a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--color-link-hover);
}

.article-body ul,
.article-body ol {
  margin: 1em 0 1.4em 1.75em;
}

.article-body li {
  margin-bottom: 0.4em;
}

/* ── Блок "Оригинал статьи" ── */
.article-source {
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  background: #f5f4f0;
  border-radius: 6px;
  border-left: 3px solid var(--color-border);
}

.article-source__label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.article-source__link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-link);
  text-decoration: none;
  word-break: break-all;
}

.article-source__link:hover {
  text-decoration: underline;
}

/* ── Подвал ── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  margin-top: 4rem;
  text-align: center;
}

.site-footer__text {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Пустое состояние ── */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.empty-state__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* ── Адаптивность ── */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .article-page__title {
    font-size: 1.5rem;
  }

  .site-header__inner {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 480px) {
  .article-page {
    padding: 1.25rem 1rem;
  }

  .site-main {
    padding: 1.5rem 1rem;
  }
}