/* Агентофон · блог (2026-10-25). Сидит на токенах styles.css (--ink, --bg-card, --line,
   --teal-500, --shadow-card): светлая и тёмная темы работают сами. Тёмная панель с волной —
   тот же приём, что #af-telephony на главной (wave-low.jpg + затемнение под текстом). */

.blog-main { padding-bottom: 32px; }
.blog-page .nav-links a[aria-current="page"],
.blog-page .nav-menu a[aria-current="page"] { color: var(--ink); }

/* ── хлебные крошки ── */
.blog-crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: var(--ink-muted); margin-bottom: 18px; }
.blog-crumbs a { color: var(--ink-muted); text-decoration: none; }
.blog-crumbs a:hover { color: var(--teal-500); }
.blog-crumbs span[aria-hidden] { opacity: .5; }

/* ── герой списка: тёмная панель с волной ── */
.blog-hero {
  position: relative; isolation: isolate; overflow: hidden;
  max-width: 1136px; margin: 28px auto 40px; border-radius: 32px;
  background: #0b0f14; color: #fff; padding: 72px 48px 80px;
  box-shadow: 0 40px 80px -40px rgba(13,17,23,0.55);
}
.blog-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11,15,20,0.55) 0%, rgba(11,15,20,0.25) 45%, rgba(11,15,20,0.70) 100%),
    radial-gradient(520px 260px at 15% 0%, rgba(0,229,184,0.18), transparent 70%),
    url("../assets/art/wave-low.jpg") center 70% / cover no-repeat;
}
.blog-hero-inner { max-width: 720px; }
.blog-hero .blog-crumbs, .blog-hero .blog-crumbs a { color: rgba(255,255,255,0.65); }
.blog-hero h1 { margin: 0; font-size: clamp(34px, 4.4vw, 56px); line-height: 1.04; font-weight: 800; letter-spacing: -0.035em; color: #fff; }
.blog-hero p { margin: 18px 0 0; font-size: 17px; line-height: 1.55; color: rgba(255,255,255,0.74); max-width: 600px; }

/* ── карточки ── */
.blog-list { padding-bottom: 24px; }
.blog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.blog-list .blog-card:first-child { grid-column: 1 / -1; }
.blog-list .blog-card:first-child .blog-card-title { font-size: 26px; }
.blog-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.blog-card {
  display: flex; flex-direction: column; gap: 10px; padding: 26px 26px 22px;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-card); color: var(--ink); text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.blog-card:hover { transform: translateY(-2px); border-color: var(--teal-500); box-shadow: var(--shadow-md); }
.blog-card-tag {
  align-self: flex-start; display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-tint); color: var(--teal-600); font-size: 12.5px; font-weight: 600; letter-spacing: .01em;
}
:root:not([data-theme="light"]) .blog-card-tag { color: var(--teal-500); }
.blog-card-title { margin: 2px 0 0; font-size: 21px; line-height: 1.22; font-weight: 700; letter-spacing: -0.02em; }
.blog-grid-3 .blog-card-title { font-size: 18px; }
.blog-card-text { margin: 0; color: var(--ink-muted); font-size: 15px; line-height: 1.5; flex: 1; }
.blog-card-meta { font-size: 13px; color: var(--ink-faint); }

/* ── статья ── */
.blog-head { max-width: 800px !important; padding-top: 36px; }
.blog-head h1 { margin: 14px 0 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.08; font-weight: 800; letter-spacing: -0.03em; text-wrap: balance; }
.blog-meta { margin: 0; color: var(--ink-muted); font-size: 14px; }
.blog-layout { max-width: 800px !important; }
.blog-body { font-size: 17px; line-height: 1.68; color: var(--ink); padding: 8px 0 24px; }
.blog-body p { margin: 0 0 16px; }
.blog-body .blog-lead { font-size: 19px; line-height: 1.6; margin: 18px 0 26px; color: var(--ink); }
.blog-body h2 { margin: 48px 0 14px; font-size: clamp(24px, 2.6vw, 30px); line-height: 1.18; font-weight: 750; letter-spacing: -0.025em; scroll-margin-top: 90px; }
.blog-body h3 { margin: 30px 0 10px; font-size: 20px; line-height: 1.3; font-weight: 700; letter-spacing: -0.015em; }
.blog-body ul, .blog-body ol { margin: 0 0 18px; padding-left: 22px; }
.blog-body li { margin: 6px 0; }
.blog-body a { color: var(--teal-600); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
:root:not([data-theme="light"]) .blog-body a { color: var(--teal-500); }
.blog-body strong { font-weight: 650; }

.blog-toc { background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 24px; margin: 0 0 12px; box-shadow: var(--shadow-card); }
.blog-toc-title { margin: 0 0 8px !important; font-weight: 700; font-size: 15px; }
.blog-toc ol { margin: 0; padding-left: 20px; font-size: 15.5px; }
.blog-toc li { margin: 5px 0; }
.blog-body .blog-toc a { text-decoration: none; color: var(--ink); }
.blog-body .blog-toc a:hover { color: var(--teal-500); }

/* таблицы: обёртка даёт горизонтальный скролл на телефоне */
.blog-table { overflow-x: auto; margin: 6px 0 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-card); box-shadow: var(--shadow-card); }
.blog-table table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.45; min-width: 520px; }
.blog-table th, .blog-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.blog-table td:last-child { white-space: nowrap; }
.blog-table th { font-weight: 650; background: var(--bg-field); font-size: 14px; }
.blog-table tr:last-child td { border-bottom: 0; }
.blog-caption { font-size: 13.5px; color: var(--ink-muted); margin: -12px 0 22px !important; }

.blog-note { border-left: 3px solid var(--teal-500); background: var(--accent-tint); border-radius: 0 14px 14px 0; padding: 14px 18px; margin: 4px 0 20px; font-size: 16px; }
.blog-note p:last-child { margin-bottom: 0; }
.blog-example { background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 22px; margin: 6px 0 22px; box-shadow: var(--shadow-card); font-size: 16px; }
.blog-example-label { display: block; font-size: 12.5px; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-muted); margin-bottom: 6px; }
.blog-example p:last-child { margin-bottom: 0; }

.blog-chart { margin: 6px 0 22px; padding: 18px 18px 10px; background: var(--bg-card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-card); }
.blog-chart svg { width: 100%; height: auto; display: block; color: var(--ink); }
.blog-chart .bar-a { fill: var(--teal-500); }
.blog-chart .bar-b { fill: var(--ink-faint); }
.blog-chart text { fill: currentColor; font-family: var(--font-sans, Inter, sans-serif); }
.blog-chart .muted { fill: var(--ink-muted); }

/* ── врезка-призыв: тёмная панель с волной ── */
.blog-cta {
  position: relative; isolation: isolate; overflow: hidden; margin: 36px 0;
  border-radius: 24px; padding: 34px 32px; background: #0b0f14; color: #fff;
  box-shadow: 0 30px 60px -30px rgba(13,17,23,0.55);
}
.blog-cta::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11,15,20,0.72) 0%, rgba(11,15,20,0.45) 55%, rgba(11,15,20,0.75) 100%),
    radial-gradient(420px 220px at 90% 0%, rgba(0,229,184,0.25), transparent 70%),
    url("../assets/art/wave-low.jpg") center 80% / cover no-repeat;
}
.blog-body .blog-cta-title { margin: 0 0 8px; font-size: 24px; line-height: 1.2; font-weight: 750; letter-spacing: -0.02em; color: #fff; }
.blog-body .blog-cta-text { margin: 0 0 20px; color: rgba(255,255,255,0.76); font-size: 16px; line-height: 1.55; max-width: 560px; }
.blog-body .blog-cta-note { margin: 14px 0 0; font-size: 13px; color: rgba(255,255,255,0.55); }
.blog-cta-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.blog-body .blog-btn {
  display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 22px;
  border-radius: 12px; font-size: 15.5px; font-weight: 600; text-decoration: none; letter-spacing: -0.01em;
}
.blog-body a.blog-btn-primary, :root:not([data-theme="light"]) .blog-body a.blog-btn-primary { background: #00E5B8; color: #04231d; }
.blog-body a.blog-btn-primary:hover { background: #2FF0CB; }
.blog-body a.blog-btn-ghost, :root:not([data-theme="light"]) .blog-body a.blog-btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,0.22); background: rgba(255,255,255,0.06); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.blog-body .blog-btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* ── FAQ ── */
.blog-faq { margin-top: 8px; }
.blog-faq-item { border: 1px solid var(--line); background: var(--bg-card); border-radius: 16px; margin: 0 0 10px; box-shadow: var(--shadow-card); }
.blog-faq-item summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 20px; font-weight: 650; font-size: 16.5px; position: relative; }
.blog-faq-item summary::-webkit-details-marker { display: none; }
.blog-faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--teal-500); font-weight: 400; }
.blog-faq-item[open] summary::after { content: "−"; }
.blog-faq-item > div { padding: 0 20px 16px; color: var(--ink-muted); font-size: 16px; }

.blog-related { padding-top: 24px; }
.blog-related h2 { font-size: 26px; letter-spacing: -0.02em; margin: 0 0 18px; }

@media (max-width: 900px) {
  .blog-list .blog-card:first-child { grid-column: 1 / -1; }
.blog-list .blog-card:first-child .blog-card-title { font-size: 26px; }
.blog-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-hero { margin: 16px 12px 28px; border-radius: 24px; padding: 44px 22px 52px; }
  .blog-hero::after {
    background:
      linear-gradient(180deg, rgba(11,15,20,0.62) 0%, rgba(11,15,20,0.45) 60%, rgba(11,15,20,0.80) 100%),
      url("../assets/art/wave-low.jpg") 50% 85% / cover no-repeat;
  }
  .blog-body { font-size: 16.5px; }
  .blog-body .blog-lead { font-size: 17.5px; }
  .blog-cta { padding: 26px 20px; border-radius: 20px; }
  .blog-body .blog-btn { width: 100%; }
  .blog-card { padding: 22px 20px 18px; }
}