/* HVAC Website Design — hvac- prefix, orange #ea580c theme */
:root {
  --hvac-primary: #ea580c;
  --hvac-dark: #431407;
  --hvac-mid: #c2410c;
  --hvac-light: #fff7ed;
  --hvac-accent: #fb923c;
  --hvac-text: #1c1917;
}

/* ── HERO ── */
.hvac-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #431407 0%, #7c2d12 35%, #c2410c 65%, #ea580c 100%);
  padding: 100px 0 70px;
  color: #fff;
}
.hvac-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .25;
  pointer-events: none;
}
.hvac-orb.o1 { width: 420px; height: 420px; background: #fb923c; top: -120px; right: -80px; }
.hvac-orb.o2 { width: 300px; height: 300px; background: #fbbf24; bottom: -60px; left: -60px; }
.hvac-orb.o3 { width: 180px; height: 180px; background: #ea580c; top: 40%; right: 30%; }

.hvac-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hvac-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.hvac-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; }
.hvac-breadcrumb a:hover { color: #fff; }
.hvac-breadcrumb svg { width: 12px; height: 12px; opacity: .5; }

.hvac-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: #fcd9c0;
  margin-bottom: 18px;
}
.hvac-hero-badge .dot {
  width: 7px; height: 7px;
  background: #fb923c;
  border-radius: 50%;
  animation: hvacPulse 1.8s infinite;
}
@keyframes hvacPulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

.hvac-hero h1 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 14px;
}
.hvac-hero h1 .grad {
  background: linear-gradient(90deg, #fcd9c0, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.hvac-hero h1 .accent-line {
  display: block;
  font-size: .58em;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  margin-top: 6px;
}

.hvac-rotator-wrap {
  font-size: 1rem;
  font-weight: 600;
  color: #fcd9c0;
  min-height: 28px;
  margin-bottom: 20px;
}
.hvac-rotator-wrap span { display: none; }
.hvac-rotator-wrap span.active { display: inline; }

.hvac-hero-desc {
  font-size: .97rem;
  color: rgba(255,255,255,.82);
  line-height: 1.65;
  margin-bottom: 28px;
}
.hvac-hero-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hvac-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 700;
  padding: 13px 24px;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  text-decoration: none;
  border: none;
}
.hvac-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.hvac-btn-wa  { background: #25d366; color: #fff; }
.hvac-btn-outline { background: rgba(255,255,255,.12); border: 1.5px solid rgba(255,255,255,.3); color: #fff; }

.hvac-hero-trust {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hvac-hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  color: rgba(255,255,255,.7);
}
.hvac-hero-trust-item svg { color: #fb923c; }

/* urgency card */
.hvac-urgency {
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(251,146,60,.4);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 22px;
  font-size: .84rem;
  color: rgba(255,255,255,.9);
}
.hvac-urgency strong { color: #fb923c; }
.hvac-urgency-bar {
  height: 6px;
  background: rgba(255,255,255,.15);
  border-radius: 99px;
  margin-top: 8px;
  overflow: hidden;
}
.hvac-urgency-fill {
  height: 100%;
  width: 55%;
  background: linear-gradient(90deg, #fb923c, #fbbf24);
  border-radius: 99px;
  position: relative;
  overflow: hidden;
}
.hvac-urgency-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.4) 50%, transparent 100%);
  animation: hvacShimmer 1.8s infinite;
}
@keyframes hvacShimmer { 0%{transform:translateX(-100%)} 100%{transform:translateX(200%)} }

/* hero form panel */
.hvac-hero-form {
  background: rgba(255,255,255,.06);
  border: 1.5px solid rgba(255,255,255,.14);
  border-radius: 20px;
  padding: 32px 28px;
  backdrop-filter: blur(12px);
}
.hvac-hero-form h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.hvac-hero-form p {
  font-size: .82rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 18px;
}
.hvac-form-group { margin-bottom: 14px; }
.hvac-form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  margin-bottom: 5px;
}
.hvac-form-group input,
.hvac-form-group select,
.hvac-form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.2);
  border-radius: 8px;
  color: #fff;
  font-size: .88rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}
.hvac-form-group input::placeholder,
.hvac-form-group textarea::placeholder { color: rgba(255,255,255,.4); }
.hvac-form-group input:focus,
.hvac-form-group textarea:focus { border-color: #fb923c; }
.hvac-form-group select option { background: #7c2d12; color: #fff; }

.hvac-hero-form .hvac-btn-submit {
  width: 100%;
  background: linear-gradient(135deg, #ea580c, #fb923c);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.hvac-hero-form .hvac-btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,88,12,.4); }
.hp-field { display: none !important; }
.form-success { display: none; color: #fff; background: rgba(255,255,255,.15); border-radius: 8px; padding: 10px 14px; font-size: .84rem; margin-top: 10px; }

/* float badges */
.hvac-float-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}
.hvac-float-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: .8rem;
  color: rgba(255,255,255,.85);
}
.hvac-float-badge .icon { font-size: 1.2rem; }
.hvac-float-badge strong { color: #fff; display: block; font-size: .84rem; }

/* ── MARQUEE ── */
.hvac-marquee-wrap {
  background: #431407;
  padding: 12px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.hvac-marquee {
  display: flex;
  gap: 40px;
  animation: hvacMarquee 28s linear infinite;
  width: max-content;
}
.hvac-marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.75);
  font-size: .82rem;
  font-weight: 600;
  white-space: nowrap;
}
.hvac-marquee-item::before { content: '❄️'; }
@keyframes hvacMarquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ── STATS ── */
.hvac-stats {
  padding: 60px 0;
  background: #fff;
}
.hvac-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.hvac-stat-card {
  padding: 28px 20px;
  background: var(--hvac-light);
  border-radius: 16px;
  border-top: 3px solid var(--hvac-primary);
}
.hvac-stat-card .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--hvac-primary);
  font-family: 'Bricolage Grotesque', sans-serif;
}
.hvac-stat-card .lbl {
  font-size: .82rem;
  color: #6b7280;
  margin-top: 4px;
  font-weight: 500;
}

/* ── PRICING ── */
.hvac-pricing {
  padding: 80px 0;
  background: #f9fafb;
}
.hvac-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.hvac-plan {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  border: 2px solid #e5e7eb;
  position: relative;
  transition: border-color .2s, box-shadow .2s;
}
.hvac-plan:hover { border-color: var(--hvac-primary); box-shadow: 0 12px 36px rgba(234,88,12,.12); }
.hvac-plan.featured {
  border-color: var(--hvac-primary);
  box-shadow: 0 8px 32px rgba(234,88,12,.15);
}
.hvac-plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--hvac-primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 4px 14px;
  border-radius: 99px;
}
.hvac-plan h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.hvac-plan .price { font-size: 2.2rem; font-weight: 800; color: var(--hvac-primary); font-family: 'Bricolage Grotesque', sans-serif; }
.hvac-plan .price span { font-size: .9rem; font-weight: 500; color: #6b7280; }
.hvac-plan .price-note { font-size: .78rem; color: #9ca3af; margin-bottom: 18px; }
.hvac-plan ul { list-style: none; padding: 0; margin: 0 0 24px; }
.hvac-plan ul li {
  padding: 6px 0;
  font-size: .85rem;
  color: #374151;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border-bottom: 1px solid #f3f4f6;
}
.hvac-plan ul li::before { content: '✓'; color: var(--hvac-primary); font-weight: 700; flex-shrink: 0; }
.hvac-plan-cta {
  display: block;
  text-align: center;
  background: var(--hvac-primary);
  color: #fff;
  border-radius: 10px;
  padding: 12px;
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  transition: background .2s;
}
.hvac-plan-cta:hover { background: var(--hvac-mid); }
.hvac-pricing-note { text-align: center; font-size: .82rem; color: #9ca3af; margin-top: 18px; }

/* ── FEATURED SERVICES ── */
.hvac-featured {
  padding: 80px 0;
  background: #fff;
}
.hvac-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.hvac-feat-card {
  background: var(--hvac-light);
  border-radius: 16px;
  padding: 28px 24px;
  border-left: 4px solid var(--hvac-primary);
  transition: transform .2s, box-shadow .2s;
}
.hvac-feat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(234,88,12,.1); }
.hvac-feat-icon { font-size: 2rem; margin-bottom: 12px; }
.hvac-feat-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.hvac-feat-card p { font-size: .85rem; color: #6b7280; line-height: 1.6; }

/* ── SERVICES GRID ── */
.hvac-services {
  padding: 80px 0;
  background: #f9fafb;
}
.hvac-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.hvac-svc-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid #e5e7eb;
  transition: border-color .2s;
}
.hvac-svc-card:hover { border-color: var(--hvac-primary); }
.hvac-svc-icon { font-size: 1.4rem; flex-shrink: 0; }
.hvac-svc-card h4 { font-size: .9rem; font-weight: 700; margin-bottom: 4px; }
.hvac-svc-card p { font-size: .8rem; color: #6b7280; line-height: 1.5; }

/* ── GUARANTEE ── */
.hvac-guarantee {
  padding: 60px 0;
  background: linear-gradient(135deg, #431407 0%, #c2410c 100%);
  color: #fff;
}
.hvac-guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.hvac-guar-item .icon { font-size: 2rem; margin-bottom: 10px; }
.hvac-guar-item h4 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.hvac-guar-item p { font-size: .8rem; color: rgba(255,255,255,.75); line-height: 1.5; }

/* ── PROCESS ── */
.hvac-process {
  padding: 80px 0;
  background: #fff;
}
.hvac-process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.hvac-step {
  text-align: center;
  padding: 28px 20px;
  background: var(--hvac-light);
  border-radius: 16px;
}
.hvac-step-num {
  width: 44px; height: 44px;
  background: var(--hvac-primary);
  color: #fff;
  border-radius: 50%;
  font-size: .95rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.hvac-step h4 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.hvac-step p { font-size: .82rem; color: #6b7280; line-height: 1.55; }

/* ── COMPARE TABLE ── */
.hvac-compare {
  padding: 80px 0;
  background: #f9fafb;
}
.hvac-compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}
.hvac-compare-table th {
  padding: 16px 20px;
  font-size: .82rem;
  font-weight: 700;
  text-align: left;
}
.hvac-compare-table th:first-child { background: #f9fafb; width: 40%; }
.hvac-compare-table th:nth-child(2) { background: var(--hvac-primary); color: #fff; }
.hvac-compare-table th:nth-child(3) { background: #f3f4f6; color: #374151; }
.hvac-compare-table td {
  padding: 13px 20px;
  font-size: .84rem;
  border-top: 1px solid #f3f4f6;
}
.hvac-compare-table tr:nth-child(even) td { background: #fafafa; }
.hvac-compare-table .yes { color: #16a34a; font-weight: 700; }
.hvac-compare-table .no  { color: #dc2626; }

/* ── TESTIMONIALS ── */
.hvac-testimonials {
  padding: 80px 0;
  background: #fff;
}
.hvac-testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.hvac-testi-card {
  background: var(--hvac-light);
  border-radius: 16px;
  padding: 28px 24px;
  border-top: 3px solid var(--hvac-primary);
}
.hvac-testi-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 10px; }
.hvac-testi-card blockquote {
  font-size: .88rem;
  color: #374151;
  line-height: 1.65;
  margin: 0 0 16px;
  font-style: italic;
}
.hvac-testi-author { font-size: .8rem; font-weight: 700; color: var(--hvac-primary); }
.hvac-testi-role { font-size: .75rem; color: #9ca3af; }

/* ── FAQ ── */
.hvac-faq {
  padding: 80px 0;
  background: #f9fafb;
}
.hvac-faq-list {
  max-width: 760px;
  margin: 40px auto 0;
}
.faq-item {
  background: #fff;
  border-radius: 12px;
  margin-bottom: 10px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
}
.faq-item summary {
  padding: 16px 20px;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 1.2rem; color: var(--hvac-primary); }
.faq-item[open] summary::after { content: '−'; }
.faq-body {
  padding: 0 20px 16px;
  font-size: .86rem;
  color: #6b7280;
  line-height: 1.65;
}

/* ── CONTACT ── */
.hvac-contact {
  padding: 80px 0;
  background: #fff;
}
.hvac-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}
.hvac-contact-info h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 14px; }
.hvac-contact-info p { font-size: .92rem; color: #6b7280; line-height: 1.65; margin-bottom: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--hvac-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text strong { display: block; font-size: .88rem; font-weight: 700; }
.contact-item-text span { font-size: .84rem; color: #6b7280; }
.contact-item-text a { color: var(--hvac-primary); text-decoration: none; }

.contact-form h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 6px; }
.form-sub { font-size: .82rem; color: #9ca3af; margin-bottom: 18px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: .8rem; font-weight: 600; margin-bottom: 5px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  font-size: .88rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
  background: #fff;
  box-sizing: border-box;
}
.form-control:focus { border-color: var(--hvac-primary); }
.form-submit {
  width: 100%;
  background: var(--hvac-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.form-submit:hover { background: var(--hvac-mid); }
.form-trust { font-size: .76rem; color: #9ca3af; margin-top: 10px; display: flex; align-items: center; gap: 5px; }

/* ── FINAL CTA ── */
.hvac-cta-final {
  padding: 80px 0;
  background: linear-gradient(135deg, #431407 0%, #c2410c 100%);
  color: #fff;
  text-align: center;
}
.hvac-cta-final h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  font-family: 'Bricolage Grotesque', sans-serif;
}
.hvac-cta-final h2 .hl { color: #fb923c; }
.hvac-cta-final p { font-size: .95rem; color: rgba(255,255,255,.8); margin-bottom: 30px; }
.hvac-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── STICKY WHATSAPP ── */
.hvac-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: linear-gradient(90deg, #431407, #ea580c);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.hvac-sticky.visible { transform: translateY(0); }
.hvac-sticky-text { font-size: .85rem; font-weight: 600; color: #fff; }
.hvac-sticky-btn {
  background: #25d366;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
}

/* ── FOOTER TRUST BAR ── */
.hvac-footer-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 32px;
  justify-content: center;
}
.hvac-ft-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  color: rgba(255,255,255,.7);
}
.hvac-ft-badge strong { color: #fff; }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hvac-featured-grid { grid-template-columns: repeat(2, 1fr); }
  .hvac-services-grid { grid-template-columns: repeat(2, 1fr); }
  .hvac-pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .hvac-process-steps { grid-template-columns: repeat(2, 1fr); }
  .hvac-guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .hvac-testi-grid { grid-template-columns: repeat(2, 1fr); }
  .hvac-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hvac-hero-grid { grid-template-columns: 1fr; }
  .hvac-contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hvac-compare-table { font-size: .8rem; }
  .hvac-compare-table th, .hvac-compare-table td { padding: 10px 12px; }
}
@media (max-width: 640px) {
  .hvac-featured-grid { grid-template-columns: 1fr; }
  .hvac-services-grid { grid-template-columns: 1fr; }
  .hvac-process-steps { grid-template-columns: 1fr; }
  .hvac-guarantee-grid { grid-template-columns: 1fr; }
  .hvac-testi-grid { grid-template-columns: 1fr; }
  .hvac-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hvac-hero { padding: 80px 0 50px; }
  .hvac-hero-cta-row { flex-direction: column; }
  .hvac-btn { width: 100%; justify-content: center; }
  .hvac-sticky { flex-direction: column; text-align: center; }
}