/* ============================================================
   WARMWAY — HEATED WALKWAYS GUIDE
   Editorial Minimalism & Architectural Branding
   ============================================================ */

/* ---- BREADCRUMB ---- */
.breadcrumb {
  background: var(--bg-paper);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  margin-top: 68px;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 10px;
}
.breadcrumb a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}
.breadcrumb a:hover {
  color: var(--accent-warm);
}
.breadcrumb span.divider {
  color: var(--border-color);
}

/* ---- PAGE HERO ---- */
.page-hero {
  background: var(--bg-white);
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border-color);
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: start;
}
.page-hero-text .eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 16px;
}
.page-hero-text h1 {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 22px;
}
.page-hero-text h1 em {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent-warm);
}
.page-hero-sub {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.page-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

/* Quick Answer Architectural Card */
.page-hero-card {
  background: var(--bg-white);
  border: 1px solid var(--text-dark);
  padding: 36px 32px;
  position: sticky;
  top: 96px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}
.quick-answer-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 12px;
}
.quick-answer-h {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  line-height: 1.4;
  color: var(--text-dark);
}
.quick-answer-range {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.qar-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1;
  letter-spacing: -0.03em;
}
.qar-dash {
  font-size: 1.8rem;
  color: var(--text-muted);
}
.quick-answer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.quick-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin-bottom: 24px;
}
.quick-table th {
  background: var(--bg-paper);
  padding: 10px 12px;
  text-align: left;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}
.quick-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-dark);
}
.quick-table tr:last-child td {
  border-bottom: none;
}

/* ---- TOC BAR ---- */
.toc-bar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 68px;
  z-index: 50;
}
.toc-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 0;
  scrollbar-width: none;
}
.toc-inner::-webkit-scrollbar {
  display: none;
}
.toc-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 16px 18px 16px 0;
  border-right: 1px solid var(--border-color);
}
.toc-inner a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 16px 16px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}
.toc-inner a:hover,
.toc-inner a.active {
  color: var(--text-dark);
  border-bottom-color: var(--accent-warm);
}

/* ---- CONTENT SECTIONS ---- */
.content-section {
  padding: 96px 0;
}
.content-section.bg-light {
  background: var(--bg-paper);
}
.content-inner {
  max-width: 860px;
  margin: 0 auto;
}
.content-text h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.content-text p {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.subsection-h {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 36px 0 16px;
  color: var(--text-dark);
}

/* ---- REASONS LIST ---- */
.reason-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 32px 0;
}
.reason {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
  padding: 28px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  transition: border-color var(--transition-fast);
}
.reason:hover {
  border-color: var(--text-dark);
}
.reason-num {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-warm);
  line-height: 1.5;
}
.reason h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.reason p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.75;
}

/* ---- CALLOUT BOX ---- */
.callout-box {
  background: var(--bg-white);
  border-left: 3px solid var(--accent-warm);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 28px;
  margin: 32px 0;
  font-size: 0.95rem;
  line-height: 1.75;
}
.callout-green {
  border-left-color: #10b981;
}
.callout-box strong {
  color: var(--text-dark);
  font-weight: 700;
}
.callout-box a {
  color: var(--accent-warm);
  font-weight: 600;
  text-decoration: underline;
}

/* ---- COMPONENT GRID ---- */
.component-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0;
}
.component {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}
.component .comp-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 12px;
}
.component h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-dark);
}
.component p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-grow: 1;
}
.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.spec-chip {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--bg-paper);
  color: var(--text-muted);
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.02em;
}

/* ---- OP LOOP ---- */
.op-loop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  background: var(--bg-paper);
  padding: 24px 28px;
  margin: 28px 0;
  border: 1px solid var(--border-color);
}
.op-step {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-dark);
  background: var(--bg-white);
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.02em;
}
.op-arrow {
  color: var(--accent-warm);
  font-size: 1.1rem;
  font-weight: 700;
}

/* ---- DATA TABLES ---- */
.cost-table-wrap,
.comparison-table-wrap {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--border-color);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--bg-white);
}
.data-table th {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.9);
  padding: 14px 18px;
  text-align: left;
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  color: var(--text-muted);
  line-height: 1.6;
}
.data-table tr:hover td {
  background: rgba(217, 119, 54, 0.04);
}
.row-total td {
  background: var(--bg-paper);
  font-weight: 700;
  color: var(--text-dark);
  border-top: 2px solid var(--text-dark);
}

/* ---- CONTENT LIST ---- */
.content-list {
  list-style: none;
  margin: 16px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.content-list li {
  font-size: 0.96rem;
  color: var(--text-muted);
  padding-left: 24px;
  position: relative;
  line-height: 1.7;
}
.content-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-warm);
  font-weight: 700;
}

/* ---- INSTALL STEPS ---- */
.install-steps {
  display: flex;
  flex-direction: column;
  margin: 32px 0;
  border: 1px solid var(--border-color);
}
.install-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 32px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}
.install-step:last-child {
  border-bottom: none;
}
.install-step:hover {
  background: rgba(217, 119, 54, 0.03);
}
.install-step-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-warm);
  letter-spacing: -0.02em;
  line-height: 1;
}
.install-step-content h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.install-step-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}
.timing-note {
  background: var(--bg-paper);
  border: 1px solid var(--border-color);
  padding: 28px 32px;
  margin-top: 32px;
}
.timing-note h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.timing-note p {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

/* ---- CITY GRID ---- */
.city-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}
.city-tag {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-dark);
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}
.city-tag:hover {
  border-color: var(--accent-warm);
  color: var(--accent-warm);
}

/* ---- BOTTOM CTA ---- */
.bottom-cta {
  background: var(--bg-dark);
  padding: 96px 0;
  color: var(--text-light);
}
.bottom-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.bottom-cta-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.bottom-cta-text p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  line-height: 1.75;
}
.bottom-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  flex-shrink: 0;
}
.bottom-cta-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bottom-cta-contact a {
  font-size: 0.9rem;
  color: var(--accent-warm);
  font-weight: 600;
  text-decoration: none;
}
.bottom-cta-contact a:hover {
  text-decoration: underline;
}

/* ---- RELATED SECTION ---- */
.related-section {
  background: var(--bg-paper);
  padding: 80px 0;
}
.related-section h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  color: var(--text-dark);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-white);
  padding: 32px 28px;
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  border-color: var(--text-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}
.related-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 12px;
}
.related-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.related-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-grow: 1;
}
.related-link {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .page-hero-inner {
    grid-template-columns: 1fr;
  }
  .page-hero-card {
    position: static;
  }
  .component-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .bottom-cta-inner {
    flex-direction: column;
  }
  .bottom-cta-actions {
    width: 100%;
  }
  .bottom-cta-actions .btn-primary {
    width: 100%;
    justify-content: center;
  }
  .op-loop {
    flex-direction: column;
    align-items: flex-start;
  }
  .op-arrow {
    transform: rotate(90deg);
  }
  .reason {
    grid-template-columns: 1fr;
  }
  .install-step {
    grid-template-columns: 1fr;
  }
}