:root {
  --brand-primary: #4dba27;
  --brand-primary-dark: #3f9b20;
  --bg-dark: #102014;
  --text-main: #111111;
  --text-light: #f7f7f7;
  --surface: #ffffff;
  --surface-muted: #f4f8f1;
  --border: #dce7d7;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text-main);
  background: var(--surface);
  line-height: 1.45;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -42px;
  left: 10px;
  background: #000;
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
}

.skip-link:focus {
  top: 10px;
  z-index: 2000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(16, 32, 20, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-light);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.logo-link img {
  width: clamp(150px, 28vw, 210px);
}

.header-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
}

.service-hours {
  margin: 0;
  font-size: 0.9rem;
  color: #d2f0c7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid transparent;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-primary-dark);
}

.btn-secondary {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: #fff;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: #ecf9e8;
}

.btn:focus-visible {
  outline: 3px solid #174fda;
  outline-offset: 2px;
}

.hero {
  position: relative;
  isolation: isolate;
  background-image: url("https://optimizedairflow.com/wp-content/uploads/2026/01/home-banner-final-hvac-minimized-backup-FINAL-1.webp");
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  padding: 44px 0 64px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(16, 32, 20, 0.88), rgba(16, 32, 20, 0.65) 60%, rgba(16, 32, 20, 0.2));
  z-index: -1;
}

.hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.hero-copy {
  max-width: 60ch;
}

.hero-copy h1 {
  margin: 10px 0 14px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  text-wrap: balance;
}

.eyebrow {
  margin: 0;
  color: #d8f7ce;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.86rem;
  font-weight: 700;
}

.hero-subcopy {
  margin: 0;
  max-width: 60ch;
  font-size: 1.05rem;
}

.hero-list {
  margin: 16px 0 0;
  padding-left: 20px;
}

.hero-list li {
  margin: 4px 0;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.geo-note {
  margin: 14px 0 0;
  color: #d2f0c7;
  font-size: 0.95rem;
}

.lead-card {
  background: var(--surface);
  color: var(--text-main);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.lead-card h2 {
  margin: 0 0 4px;
  font-size: 1.38rem;
}

.lead-card p {
  margin: 0 0 12px;
}

label {
  display: block;
  margin-top: 10px;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 0.92rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #b9c8b2;
  border-radius: 10px;
  padding: 11px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #174fda;
  outline-offset: 1px;
}

.btn-block {
  width: 100%;
  margin-top: 14px;
}

.form-footnote {
  margin-top: 8px;
  font-size: 0.8rem;
  color: #505050;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.trust,
.services,
.service-area,
.testimonials,
.faq,
.final-cta {
  padding: 56px 0;
}

.trust {
  background: var(--surface-muted);
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  text-align: center;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.badge-icon {
  font-size: 1.8rem;
  color: var(--brand-primary);
  line-height: 1;
}

.badge-item strong {
  font-size: 1rem;
}

.badge-item > span:last-child {
  font-size: 0.85rem;
  color: #555;
}

h2 {
  font-size: clamp(1.45rem, 3.7vw, 2.25rem);
  margin: 0 0 6px;
}

.section-intro {
  margin: 0 0 20px;
  max-width: 66ch;
}

.service-grid {
  display: grid;
  gap: 18px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: #fff;
}

.service-card img {
  border-radius: 12px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.service-card h3 {
  margin: 12px 0 4px;
}

.service-area {
  background: #f3f8ef;
}

.pill-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-list li {
  border-radius: 999px;
  padding: 8px 12px;
  background: #e1f3da;
  border: 1px solid #c5e3bb;
  color: #1f4d1f;
  font-weight: 700;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.final-cta {
  background: var(--bg-dark);
  color: #fff;
}

.final-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}

.final-cta-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-footer {
  background: #0d1a10;
  color: #d9e7d9;
  padding: 20px 0 84px;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

.sticky-mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--border);
  z-index: 1001;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .trust-badges {
    grid-template-columns: repeat(4, 1fr);
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .hero {
    min-height: 70vh;
    display: grid;
    align-items: center;
  }

  .sticky-mobile-cta {
    display: none;
  }

  .site-footer {
    padding-bottom: 28px;
  }
}

@media (max-width: 560px) {
  .header-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .header-ctas {
    flex-shrink: 0;
  }

  .header-ctas .btn {
    padding: 10px 14px;
    font-size: 0.85rem;
  }

  .service-hours {
    display: none;
  }
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.testimonial-card {
  margin: 0;
  padding: 22px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.testimonial-card .stars {
  color: #f5a623;
  font-size: 1.2rem;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.testimonial-card p {
  margin: 0 0 12px;
  font-style: italic;
  line-height: 1.55;
}

.testimonial-card cite {
  font-style: normal;
  font-weight: 700;
  color: #333;
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Inline CTA */
.section-cta {
  background: var(--surface-muted);
  padding: 22px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section-cta p {
  margin: 0;
  font-size: 1.05rem;
}

.section-cta a:not(.btn) {
  color: var(--brand-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.section-cta a:not(.btn):hover {
  text-decoration: underline;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.9rem;
}

/* Service Card Links */
.service-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.service-card-link .service-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card-link:hover .service-card,
.service-card-link:focus-visible .service-card {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.service-card-link:focus-visible .service-card {
  outline: 3px solid #174fda;
  outline-offset: 2px;
}

.service-card-link .service-card h3 {
  color: var(--brand-primary-dark);
}

/* Review Strip (after trust badges) */
.review-strip {
  padding: 36px 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.review-strip-label {
  margin: 0 0 14px;
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.review-strip-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.review-strip-scroll img {
  flex: 0 0 auto;
  max-height: 360px;
  width: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  scroll-snap-align: start;
}

/* Review Gallery (after testimonials) */
.review-gallery {
  padding: 56px 0;
  background: var(--surface-muted);
}

.review-gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

.review-gallery-grid img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.review-gallery-cta {
  text-align: center;
  margin-top: 24px;
}

.review-gallery-cta-text {
  margin: 0 0 12px;
  font-weight: 700;
  color: #333;
}

.review-gallery-cta-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 560px) {
  .review-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .review-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Review Proof (before final CTA) */
.review-proof {
  padding: 28px 0;
  background: #f3f8ef;
  border-top: 1px solid var(--border);
}

.review-proof-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.review-proof-row img {
  width: 180px;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

@media (max-width: 560px) {
  .review-proof-row img {
    width: 140px;
  }
}