/* ============================================================
   Plumb-Tec LLC — Blog Styles
   Extends styles.css (same CSS variables)
   ============================================================ */

/* ---------------------------------------------------------------------------
   Blog Hero (index page)
   --------------------------------------------------------------------------- */
.blog-hero {
  padding: calc(var(--announce-h) + var(--nav-h) + 80px) 0 80px;
  background: var(--bg);
  text-align: center;
}

.blog-hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(38px, 5.5vw, 70px);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 16px;
}

/* ---------------------------------------------------------------------------
   Blog Grid (index page)
   --------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .blog-grid { grid-template-columns: 1fr; }
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(107, 191, 58, 0.2),
    0 4px 32px rgba(107, 191, 58, 0.12);
}

/* Gradient thumbnail on blog cards */
.blog-card-thumb {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: flex-end;
  transition: filter var(--transition);
}

.blog-card:hover .blog-card-thumb {
  filter: brightness(1.12);
}

/* SVG pipe watermark inside card thumb */
.card-thumb-watermark {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(107, 191, 58, 0.10);
  pointer-events: none;
}

.card-thumb-inner {
  position: relative;
  z-index: 1;
  padding: 16px 20px 18px;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);
}

.card-thumb-label {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 5px;
}

.card-thumb-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
  color: #fff;
  margin: 0;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
  letter-spacing: 0.01em;
}

.blog-card-body {
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blog-card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--text);
  margin: 0;
}

.blog-card:hover .blog-card-title {
  color: var(--green);
}

.blog-card-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  flex: 1;
  margin: 0;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

.blog-card-date {
  font-size: 12px;
  color: var(--text-3);
}

.blog-card-read {
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  transition: letter-spacing var(--transition-fast);
}

.blog-card:hover .blog-card-read {
  letter-spacing: 0.04em;
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 0;
  color: var(--text-3);
  font-size: 18px;
}

/* ---------------------------------------------------------------------------
   Post Tags (shared between card + post page)
   --------------------------------------------------------------------------- */
.post-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(107, 191, 58, 0.12);
  border: 1px solid rgba(107, 191, 58, 0.25);
  border-radius: 100px;
  padding: 3px 10px;
}

/* ---------------------------------------------------------------------------
   Post Hero (individual post page)
   --------------------------------------------------------------------------- */
.post-hero {
  padding: calc(var(--announce-h) + var(--nav-h) + 72px) 0 64px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Subtle vignette over the gradient */
.post-hero-gradient-layer {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, transparent 30%, rgba(0,0,0,0.45) 100%);
  z-index: 0;
}

/* Large pipe SVG watermark behind the text */
.post-hero-watermark {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  color: rgba(107, 191, 58, 0.07);
  pointer-events: none;
  z-index: 0;
}

.post-hero .container {
  position: relative;
  z-index: 1;
}

.post-hero .post-title {
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.post-hero-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green);
  margin: 0 0 12px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

.post-hero-inner {
  max-width: 800px;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  text-decoration: none;
  margin-bottom: 20px;
  transition: color var(--transition-fast);
}

.post-back:hover { color: var(--green); }

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.post-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(32px, 4.5vw, 58px);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 16px;
}

.post-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}

.post-date, .post-author { font-weight: 500; }

/* ---------------------------------------------------------------------------
   Post Layout (sidebar + article)
   --------------------------------------------------------------------------- */
.post-section { background: var(--bg); }

.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .post-layout {
    grid-template-columns: 1fr;
  }
  .post-sidebar { display: none; }
}

/* ---------------------------------------------------------------------------
   Post Body Typography
   --------------------------------------------------------------------------- */
.post-body {
  max-width: 100%;
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.8;
}

.post-body p {
  margin-bottom: 20px;
}

.post-body h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--green);
  line-height: 1.1;
}

.post-body h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text);
  margin: 28px 0 12px;
}

.post-body strong { color: var(--text); font-weight: 700; }

.post-body ul,
.post-body ol {
  margin: 0 0 20px 0;
  padding-left: 24px;
}

.post-body li {
  margin-bottom: 8px;
}

.post-body ul li::marker { color: var(--green); }
.post-body ol li::marker { color: var(--green); font-weight: 700; }

/* ---------------------------------------------------------------------------
   Sidebar
   --------------------------------------------------------------------------- */
.post-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.sidebar-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 12px;
}

.sidebar-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 16px;
}

.sidebar-cta {
  display: block;
  text-align: center;
  margin-bottom: 10px;
  width: 100%;
}

.sidebar-services ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-services ul li a {
  display: block;
  font-size: 14px;
  color: var(--text-2);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.sidebar-services ul li:last-child a { border-bottom: none; }

.sidebar-services ul li a:hover {
  color: var(--green);
  padding-left: 6px;
}