/* H2O Expert Plumbing — blog styles (loaded after /css/style.css, uses its design tokens) */

/* ── Shared ───────────────────────────────────────────── */
.blog-main { padding-top: 0; }
.blog-skip { position: absolute; left: -9999px; }
.blog-skip:focus { left: 16px; top: 16px; z-index: 999; background: var(--accent-blue); color: #fff; padding: 10px 14px; border-radius: 8px; }
.blog-badge {
  display: inline-block; padding: 5px 11px; border-radius: 6px;
  font-family: 'Outfit', sans-serif; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; border: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
}
.blog-card-body .blog-badge, .blog-featured-body .blog-badge { align-self: flex-start; }
.blog-badge.cat-furnace { background: #1E3A5F; color: #60A5FA; }
.blog-badge.cat-hot-water-tank { background: #1E3A2F; color: #34D399; }
.blog-badge.cat-plumbing { background: #3A2A1E; color: #F97316; }
.blog-meta-line { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 0.86rem; color: var(--text-secondary); }
.blog-meta-line .dot { opacity: 0.5; }
.blog-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: 0 0 38px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 0.9rem; color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), #1D4ED8);
  border: 1px solid rgba(255,255,255,0.2);
}

/* ── Blog index ───────────────────────────────────────── */
.blog-hero {
  padding: 140px 0 44px; text-align: center;
  background: linear-gradient(135deg, #050A16 0%, #0A1628 55%, #0D1B2A 100%);
  border-bottom: 1px solid var(--border-glass);
}
.blog-hero-inner { max-width: 780px; margin: 0 auto; }
.blog-hero-sub { font-size: 1.08rem; color: var(--text-secondary); line-height: 1.8; margin-top: 8px; }
.blog-hero-stats { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; margin-top: 26px; font-size: 0.86rem; color: var(--text-secondary); }
.blog-hero-stats strong { color: var(--text-primary); font-family: 'Outfit', sans-serif; font-size: 1.1rem; margin-right: 6px; }

.blog-featured { padding: 56px 0 8px; }
.blog-featured-card {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; overflow: hidden; border-radius: 20px;
  background: var(--bg-glass); border: 1px solid var(--border-glass); box-shadow: var(--shadow-glass);
  text-decoration: none; color: inherit; transition: border-color .3s, transform .3s;
}
.blog-featured-card:hover { border-color: rgba(59,130,246,0.45); transform: translateY(-2px); }
.blog-featured-img { position: relative; min-height: 300px; background: var(--bg-secondary); }
.blog-featured-img picture, .blog-featured-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-featured-body { padding: 36px 34px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.blog-featured-label { font-family: 'Outfit', sans-serif; font-size: 0.72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-orange); }
.blog-featured-title { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.25; margin: 0; }
.blog-featured-excerpt { color: var(--text-secondary); font-size: 1rem; line-height: 1.75; margin: 0; }
.blog-readmore { color: var(--accent-blue-light); font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.92rem; }

.blog-filter-section { padding: 40px 0 6px; }
.blog-filter-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.blog-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.blog-chip {
  appearance: none; cursor: pointer; padding: 9px 16px; border-radius: 999px;
  background: var(--bg-glass); border: 1px solid var(--border-glass); color: var(--text-secondary);
  font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.85rem; transition: all .2s;
}
.blog-chip:hover { background: var(--bg-glass-hover); color: var(--text-primary); }
.blog-chip[aria-pressed="true"] { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }
.blog-count { font-size: 0.85rem; color: var(--text-muted); }

.blog-grid-section { padding: 22px 0 90px; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.blog-card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: 16px;
  background: var(--bg-glass); border: 1px solid var(--border-glass); box-shadow: var(--shadow-glass);
  text-decoration: none; color: inherit; transition: border-color .3s, transform .3s, background .3s;
}
.blog-card:hover { border-color: rgba(59,130,246,0.45); transform: translateY(-3px); background: var(--bg-glass-hover); }
.blog-card[hidden] { display: none; }
.blog-card-img { aspect-ratio: 16 / 9; background: var(--bg-secondary); overflow: hidden; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.blog-card-title { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.1rem; line-height: 1.35; margin: 0; color: var(--text-primary); }
.blog-card-excerpt { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-foot { margin-top: auto; padding-top: 6px; font-size: 0.8rem; color: var(--text-muted); display: flex; gap: 10px; flex-wrap: wrap; }

.blog-cta-band { padding: 0 0 100px; }
.blog-cta-inner {
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(59,130,246,0.05));
  border: 1px solid rgba(59,130,246,0.25); border-radius: 24px; padding: 54px 36px; text-align: center;
}
.blog-cta-inner h2 { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: clamp(1.4rem, 2.8vw, 2.1rem); margin-bottom: 12px; }
.blog-cta-inner p { color: var(--text-secondary); max-width: 560px; margin: 0 auto 26px; }
.blog-cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ── Article ──────────────────────────────────────────── */
.post-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange)); z-index: 1100; }
.post-header { padding: 130px 0 30px; background: linear-gradient(135deg, #050A16 0%, #0A1628 55%, #0D1B2A 100%); border-bottom: 1px solid var(--border-glass); }
.post-header-inner { max-width: 860px; margin: 0 auto; }
.post-breadcrumb { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 18px; }
.post-breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.post-breadcrumb li + li::before { content: '/'; margin-right: 6px; opacity: .6; }
.post-breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.post-breadcrumb a:hover { color: var(--accent-blue-light); }
.post-title { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.9rem); line-height: 1.2; letter-spacing: -0.02em; margin: 14px 0 20px; }
.post-byline { display: flex; align-items: center; gap: 12px; margin-top: 4px; }
.post-byline-text { display: flex; flex-direction: column; line-height: 1.35; }
.post-byline-name { font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.95rem; }

.post-hero { margin-top: -1px; padding: 28px 0 0; }
.post-hero-frame { max-width: 1040px; margin: 0 auto; border-radius: 18px; overflow: hidden; border: 1px solid var(--border-glass); box-shadow: var(--shadow-glass); background: var(--bg-secondary); }
.post-hero-frame img { width: 100%; height: auto; display: block; aspect-ratio: 16 / 9; object-fit: cover; }

.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; max-width: 1140px; margin: 0 auto; padding: 44px 0 40px; align-items: start; }
.post-content { min-width: 0; max-width: 760px; }

.post-summary {
  border-radius: 16px; padding: 26px 28px; margin-bottom: 30px;
  background: linear-gradient(135deg, rgba(59,130,246,0.14), rgba(59,130,246,0.04));
  border: 1px solid rgba(59,130,246,0.3);
}
.post-summary-label { display: flex; align-items: center; gap: 8px; font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 0.74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-blue-light); margin-bottom: 12px; }
.post-summary-lead { font-size: 1.04rem; line-height: 1.8; color: var(--text-primary); margin: 0 0 16px; }
.post-summary-lead p { margin: 0 0 12px; }
.post-summary-lead p:last-child { margin-bottom: 0; }
.post-takeaways-title { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 0.9rem; margin: 6px 0 10px; color: var(--text-primary); }
.post-takeaways { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.post-takeaways li { position: relative; padding-left: 28px; color: var(--text-secondary); line-height: 1.65; font-size: 0.96rem; }
.post-takeaways li::before { content: ''; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.2 2.2 4.8-4.9' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

.post-callout { border-radius: 14px; padding: 18px 22px; margin: 0 0 30px; font-size: 0.96rem; line-height: 1.75; color: var(--text-secondary); background: rgba(249,115,22,0.08); border: 1px solid rgba(249,115,22,0.35); border-left-width: 4px; }
.post-callout strong:first-child { color: var(--accent-orange); font-family: 'Outfit', sans-serif; }

.post-toc-inline { display: none; margin-bottom: 30px; border: 1px solid var(--border-glass); border-radius: 14px; background: var(--bg-glass); }
.post-toc-inline summary { cursor: pointer; padding: 14px 18px; font-family: 'Outfit', sans-serif; font-weight: 600; }
.post-toc-inline ol { margin: 0; padding: 0 18px 16px 38px; color: var(--text-secondary); font-size: 0.93rem; line-height: 1.9; }

.post-body { font-size: 1.04rem; line-height: 1.9; color: #CBD5E1; }
.post-body h2 { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: clamp(1.35rem, 2.6vw, 1.75rem); line-height: 1.3; color: var(--text-primary); margin: 46px 0 16px; scroll-margin-top: 100px; }
.post-body h3 { font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 1.2rem; color: var(--text-primary); margin: 30px 0 10px; scroll-margin-top: 100px; }
.post-body p { margin: 0 0 18px; }
.post-content a:not(.btn-primary):not(.btn-secondary) { color: var(--accent-blue-light); text-decoration: underline; text-decoration-color: rgba(96,165,250,0.4); text-underline-offset: 3px; }
.post-content a:not(.btn-primary):not(.btn-secondary):hover { color: #fff; }
.post-body a { color: var(--accent-blue-light); text-decoration: underline; text-decoration-color: rgba(96,165,250,0.4); text-underline-offset: 3px; }
.post-body a:hover { color: #fff; text-decoration-color: var(--accent-blue-light); }
.post-body ul, .post-body ol { margin: 0 0 20px; padding-left: 1.4rem; }
.post-body li { margin-bottom: 9px; }
.post-body li::marker { color: var(--accent-blue); }
.post-body strong { color: var(--text-primary); }
.post-body em { color: #E2E8F0; }
.post-body hr { border: none; border-top: 1px solid var(--border-glass); margin: 34px 0; }
.post-table-wrap { overflow-x: auto; margin: 0 0 26px; border: 1px solid var(--border-glass); border-radius: 12px; -webkit-overflow-scrolling: touch; }
.post-body table { width: 100%; border-collapse: collapse; font-size: 0.93rem; line-height: 1.6; min-width: 520px; }
.post-body th { text-align: left; background: rgba(59,130,246,0.14); color: var(--text-primary); font-family: 'Outfit', sans-serif; font-weight: 600; padding: 12px 14px; border-bottom: 1px solid var(--border-glass-strong); }
.post-body td { padding: 11px 14px; border-bottom: 1px solid var(--border-glass); vertical-align: top; }
.post-body tr:last-child td { border-bottom: none; }
.post-body tbody tr:nth-child(even) td { background: rgba(255,255,255,0.025); }

.post-sources { margin-top: 44px; padding: 22px 26px; border: 1px solid var(--border-glass); border-radius: 14px; background: var(--bg-glass); }
.post-sources h2 { margin-top: 0; font-size: 1.15rem; }
.post-sources ul { margin: 0; padding-left: 1.2rem; font-size: 0.92rem; line-height: 1.8; }

/* FAQ accordion */
.post-faq { margin-top: 50px; }
.post-faq h2 { margin: 0 0 18px; font-family: 'Outfit', sans-serif; font-weight: 700; font-size: clamp(1.35rem, 2.6vw, 1.75rem); scroll-margin-top: 100px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-glass); border: 1px solid var(--border-glass); border-radius: 12px; overflow: hidden; transition: border-color .25s; }
.faq-item[open] { border-color: rgba(59,130,246,0.45); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 20px; font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 1.02rem; line-height: 1.45; color: var(--text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg-glass-hover); }
.faq-item summary:focus-visible { outline: 2px solid var(--accent-blue-light); outline-offset: -2px; }
.faq-toggle { flex: 0 0 28px; width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); color: var(--accent-blue-light); font-size: 1.2rem; line-height: 1; transition: background .2s, transform .25s; }
.faq-item[open] .faq-toggle { background: var(--accent-blue); color: #fff; transform: rotate(45deg); }
.faq-answer { padding: 0 20px 20px; color: var(--text-secondary); font-size: 0.98rem; line-height: 1.85; }
.faq-answer p { margin: 0 0 12px; }
.faq-answer p:last-child { margin-bottom: 0; }

/* Author box */
.post-author { display: grid; grid-template-columns: 72px 1fr; gap: 20px; margin-top: 50px; padding: 26px; border-radius: 16px; background: var(--bg-glass); border: 1px solid var(--border-glass); }
.post-author .blog-avatar { width: 72px; height: 72px; flex-basis: 72px; font-size: 1.5rem; }
.post-author-label { font-family: 'Outfit', sans-serif; font-size: 0.72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-blue); font-weight: 700; }
.post-author-name { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.3rem; margin: 2px 0 2px; }
.post-author-role { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 12px; }
.post-author-bio { color: var(--text-secondary); font-size: 0.97rem; line-height: 1.8; margin: 0 0 14px; }
.post-author-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.post-author-chips span { padding: 6px 12px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; font-family: 'Outfit', sans-serif; background: rgba(59,130,246,0.14); border: 1px solid rgba(59,130,246,0.3); color: var(--accent-blue-light); }

/* Sidebar */
.post-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 18px; }
.sidebar-card { padding: 20px 22px; border-radius: 14px; background: var(--bg-glass); border: 1px solid var(--border-glass); }
.sidebar-title { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 0.78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-secondary); margin: 0 0 12px; }
.sidebar-toc { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; max-height: 52vh; overflow-y: auto; }
.sidebar-toc a { display: block; padding: 7px 10px; border-left: 2px solid var(--border-glass); font-size: 0.86rem; line-height: 1.45; color: var(--text-secondary); text-decoration: none; transition: all .2s; }
.sidebar-toc a:hover { color: var(--text-primary); border-left-color: var(--accent-blue-light); }
.sidebar-toc a.is-active { color: var(--accent-blue-light); border-left-color: var(--accent-blue); background: rgba(59,130,246,0.08); }
.sidebar-cta { background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(59,130,246,0.06)); border-color: rgba(59,130,246,0.32); }
.sidebar-cta p { font-size: 0.9rem; color: var(--text-secondary); margin: 0 0 14px; line-height: 1.65; }
.sidebar-cta .btn-primary { display: flex; justify-content: center; width: 100%; margin-bottom: 10px; }
.sidebar-phone { display: block; text-align: center; color: var(--text-primary); font-family: 'Outfit', sans-serif; font-weight: 600; text-decoration: none; }
.sidebar-share { display: flex; gap: 8px; flex-wrap: wrap; }
.sidebar-share a, .sidebar-share button { appearance: none; cursor: pointer; padding: 8px 12px; border-radius: 8px; font-size: 0.8rem; font-weight: 600; font-family: 'Outfit', sans-serif; background: var(--bg-glass-hover); border: 1px solid var(--border-glass); color: var(--text-primary); text-decoration: none; }
.sidebar-share a:hover, .sidebar-share button:hover { border-color: var(--accent-blue); }

/* Related posts */
.post-related { padding: 30px 0 80px; border-top: 1px solid var(--border-glass); background: var(--bg-secondary); }
.post-related .container { max-width: 1140px; }
.post-related h2 { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 44px 0 24px; }
.post-related .blog-grid { grid-template-columns: repeat(3, 1fr); }

.post-bottom-cta { padding: 60px 0 90px; }

@media (max-width: 1024px) {
  .post-layout { grid-template-columns: 1fr; gap: 0; }
  .post-sidebar { position: static; margin-top: 36px; }
  .sidebar-toc-card { display: none; }
  .post-toc-inline { display: block; }
  .blog-grid, .post-related .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .blog-featured-card { grid-template-columns: 1fr; }
  .blog-featured-img { min-height: 0; aspect-ratio: 16 / 9; }
  .blog-featured-body { padding: 24px 22px; }
  .blog-grid, .post-related .blog-grid { grid-template-columns: 1fr; }
  .blog-hero { padding: 112px 0 34px; }
  .post-header { padding: 108px 0 24px; }
  .post-summary { padding: 20px 18px; }
  .post-author { grid-template-columns: 1fr; padding: 20px; }
  .blog-cta-inner { padding: 38px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-card, .blog-card-img img, .blog-featured-card, .faq-toggle { transition: none; }
}
@media print {
  .post-sidebar, .post-progress, .site-header, .site-footer, .post-related, .mobile-call-fab { display: none !important; }
  body { background: #fff; color: #000; }
  .post-body, .post-body h2, .post-body h3 { color: #000; }
}

/* ── "Helpful guides" strip used on service pages ─────── */
.service-guides { padding: 10px 0 90px; }
.service-guides h2 { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 8px; }
.service-guides p.sub { color: var(--text-secondary); margin-bottom: 24px; }
.service-guides-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-guides-grid a { display: block; padding: 18px 20px; border-radius: 14px; background: var(--bg-glass); border: 1px solid var(--border-glass); color: var(--text-primary); text-decoration: none; font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 0.98rem; line-height: 1.4; transition: border-color .25s, background .25s; }
.service-guides-grid a:hover { border-color: rgba(59,130,246,0.5); background: var(--bg-glass-hover); }
.service-guides-grid a span { display: block; margin-top: 8px; font-size: 0.8rem; font-weight: 600; color: var(--accent-blue-light); }
@media (max-width: 1024px) { .service-guides-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .service-guides-grid { grid-template-columns: 1fr; } }