/* ========================================
   РомановТренинги – общие стили
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Source+Serif+4:wght@600;700&display=swap');

:root {
  --accent:      #c47f2a;
  --accent-dark: #a86b22;
  --text:        #0f1f3d;
  --text-muted:  #5a6a7e;
  --surface:     #fafaf9;
  --surface-2:   #f5f3ee;
  --border:      rgba(15,31,61,0.11);
  --radius:      10px;
  --font:        'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif:  'Source Serif 4', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-x: clip; /* предотвращает горизонтальный скролл без поломки position:sticky */
}

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }

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

/* ---- Навигация ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color .2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* ---- Контейнер ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Кнопки ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}
.nav-links .btn.btn-primary,
.nav-links .btn.btn-primary:hover,
.nav-links .btn.btn-primary:visited {
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

/* ---- Надпись-лейбл секции ---- */
.hero-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ---- Тег / бейдж ---- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(196,127,42,0.12);
  color: var(--accent);
}

/* ---- Секции ---- */
.section { padding: 80px 0; }
.section--alt { background: var(--surface-2); }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 600px;
}

/* ---- Карточки статей ---- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.article-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.article-card-date {
  font-size: 13px;
  color: var(--text-muted);
}
.article-card-title {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 12px;
  flex: 1;
}
.article-card-excerpt {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  overflow-wrap: anywhere;
}
.article-card-title,
.section-title,
.section-sub {
  overflow-wrap: anywhere;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.article-card-time {
  font-size: 13px;
  color: var(--text-muted);
}
.article-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

/* ---- Фильтры блога ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .2s;
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196,127,42,0.08);
}

/* ---- Футер ---- */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.6);
  padding: 40px 24px;
  text-align: center;
  font-size: 14px;
}
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--accent); }
.footer-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
}
.footer-logo span { color: var(--accent); }

/* ---- Медиа ---- */
@media (max-width: 768px) {
  .nav {
    padding: 0 12px;
  }
  .container,
  .container--narrow {
    padding: 0 16px;
  }
  .nav-inner {
    height: auto;
    min-height: 64px;
    padding: 10px 0;
    flex-wrap: wrap;
    gap: 10px;
  }
  .nav-logo {
    font-size: 19px;
  }
  .nav-links {
    width: 100%;
    gap: 12px;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }
  .nav-links li {
    flex-shrink: 0;
  }
  .nav-links li a {
    font-size: 14px;
  }
  .section { padding: 56px 0; }
  .section-sub {
    font-size: 16px;
    margin-bottom: 34px;
  }
  .article-card-body {
    padding: 20px;
  }
  .article-card-title {
    font-size: 19px;
  }
  .articles-grid { grid-template-columns: 1fr; }
}