:root {
  --tt-navy: #10263f;
  --tt-blue: #1d65a6;
  --tt-green: #16845b;
  --tt-gold: #f2b84b;
  --tt-ink: #18212c;
  --tt-muted: #5f6c7b;
  --tt-soft: #e8f2ef;
  --tt-page: #edf4f1;
  --tt-surface: #f8fcfa;
  --tt-panel: #e6eff6;
  --tt-line: #c4d3dc;
  --tt-white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  background:
    linear-gradient(180deg, rgba(237, 244, 241, 0.95), rgba(232, 242, 239, 0.95)),
    repeating-linear-gradient(135deg, rgba(29, 101, 166, 0.04) 0 1px, transparent 1px 22px);
  color: var(--tt-ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--tt-blue);
}

.navbar {
  background: rgba(248, 252, 250, 0.96) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16, 38, 63, 0.1);
}

.navbar-brand {
  color: var(--tt-navy);
  font-weight: 800;
}

.brand-mark {
  align-items: center;
  background: var(--tt-navy);
  border-radius: 8px;
  color: var(--tt-white);
  display: inline-flex;
  font-size: 0.9rem;
  height: 38px;
  justify-content: center;
  margin-right: 0.55rem;
  width: 42px;
}

.brand-logo {
  height: 48px;
  margin-right: 0.65rem;
  width: auto;
}

.nav-link {
  color: #2f3c4c;
  font-weight: 600;
}

.btn {
  border-radius: 8px;
  font-weight: 700;
}

.btn-primary {
  background: var(--tt-green);
  border-color: var(--tt-green);
}

.btn-primary:hover,
.btn-primary:focus {
  background: #0f6f4b;
  border-color: #0f6f4b;
}

.btn-outline-primary {
  border-color: var(--tt-blue);
  color: var(--tt-blue);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--tt-blue);
  border-color: var(--tt-blue);
}

.top-strip {
  background: var(--tt-navy);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.92rem;
}

.hero {
  background: linear-gradient(90deg, rgba(237, 244, 241, 0.98) 0%, rgba(237, 244, 241, 0.92) 39%, rgba(237, 244, 241, 0.2) 68%),
    url("../images/air-duct-cleaning-hero.png") center right / cover no-repeat;
  min-height: 760px;
  padding: 5.5rem 0 4rem;
}

.hero .eyebrow,
.eyebrow {
  color: var(--tt-green);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  color: var(--tt-navy);
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.02;
}

.hero-copy {
  color: #394756;
  font-size: 1.18rem;
  max-width: 680px;
}

.hero-proof {
  border-left: 4px solid var(--tt-gold);
  color: #354152;
  font-weight: 700;
  padding-left: 1rem;
}

.section {
  background: rgba(237, 244, 241, 0.72);
  padding: 5.5rem 0;
}

.section-soft {
  background: linear-gradient(135deg, #e8f2ef, #e4eef6);
}

.section-dark {
  background: var(--tt-navy);
  color: var(--tt-white);
}

.section-dark .text-muted,
.section-dark p {
  color: rgba(255, 255, 255, 0.74) !important;
}

.section-title {
  color: var(--tt-navy);
  font-size: clamp(1.85rem, 3vw, 3rem);
  font-weight: 830;
  letter-spacing: 0;
  line-height: 1.12;
}

.section-dark .section-title {
  color: var(--tt-white);
}

.hub-band .section-title,
.hub-band h2,
.section-dark h2,
.section-dark h3 {
  color: var(--tt-white);
}

.lead-muted {
  color: var(--tt-muted);
  font-size: 1.08rem;
}

.service-card,
.area-card,
.quote-panel,
.feature-panel {
  background: linear-gradient(180deg, var(--tt-surface), #edf5f2);
  border: 1px solid var(--tt-line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(16, 38, 63, 0.08);
  height: 100%;
}

.service-card,
.area-card {
  padding: 1.4rem;
}

.service-card:hover,
.area-card:hover {
  border-color: rgba(22, 132, 91, 0.36);
  transform: translateY(-2px);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.service-card h3,
.area-card h3 {
  color: var(--tt-navy);
  font-size: 1.22rem;
  font-weight: 800;
}

.service-icon {
  align-items: center;
  background: #e9f6f1;
  border-radius: 8px;
  color: var(--tt-green);
  display: inline-flex;
  font-size: 1.35rem;
  height: 46px;
  justify-content: center;
  margin-bottom: 1rem;
  width: 46px;
}

.service-icon i {
  line-height: 1;
}

.area-card strong {
  color: var(--tt-green);
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  margin-bottom: 0.65rem;
  padding-left: 1.7rem;
  position: relative;
}

.check-list li::before {
  color: var(--tt-green);
  content: "+";
  font-weight: 900;
  left: 0;
  position: absolute;
  top: 0;
}

.keyword-pill {
  background: #f7faf8;
  border: 1px solid var(--tt-line);
  border-radius: 999px;
  color: #344154;
  display: inline-flex;
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0.25rem;
  padding: 0.5rem 0.8rem;
  text-decoration: none;
}

a.keyword-pill:hover,
a.keyword-pill:focus {
  background: var(--tt-navy);
  border-color: var(--tt-navy);
  color: var(--tt-white);
}

.hub-band {
  background: linear-gradient(135deg, var(--tt-navy), #174d77);
  color: var(--tt-white);
}

.hub-band .area-card {
  background: rgba(248, 251, 248, 0.98);
  color: var(--tt-ink);
}

.page-hero {
  background: linear-gradient(135deg, rgba(16, 38, 63, 0.95), rgba(29, 94, 146, 0.88)),
    url("../images2/slides/slide-1.jpg") center / cover no-repeat;
  color: var(--tt-white);
  padding: 6rem 0 4rem;
}

.visual-strip {
  background: linear-gradient(135deg, #dcece6, #e7eef7);
}

.image-card {
  background: #dce8ef;
  border: 1px solid var(--tt-line);
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(16, 38, 63, 0.16);
  overflow: hidden;
}

.image-card img {
  aspect-ratio: 4 / 3;
  display: block;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.image-card-caption {
  color: #3a4655;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.8rem 0.95rem;
}

.faq-block {
  background: linear-gradient(135deg, #dfece8, #e9f0f7);
  border-top: 1px solid var(--tt-line);
}

.faq-item {
  background: rgba(248, 252, 250, 0.96);
  border: 1px solid var(--tt-line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(16, 38, 63, 0.07);
  height: 100%;
  padding: 1.25rem;
}

.faq-item h3 {
  color: var(--tt-navy);
  font-size: 1.08rem;
  font-weight: 850;
}

.call-link {
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.call-link:hover {
  color: var(--tt-gold);
}

.trust-strip {
  background: #eaf2f6;
  border-bottom: 1px solid var(--tt-line);
  border-top: 1px solid var(--tt-line);
}

.badge-image {
  max-height: 58px;
  width: auto;
}

.offer-panel {
  background: #10263f;
  border-radius: 8px;
  color: var(--tt-white);
  padding: 1.5rem;
}

.hero-quote-card {
  background: linear-gradient(180deg, rgba(232, 241, 247, 0.98), rgba(220, 237, 231, 0.98));
  border: 1px solid rgba(16, 38, 63, 0.18);
  box-shadow: 0 28px 75px rgba(16, 38, 63, 0.22);
}

.privacy-note {
  color: #516171;
  font-size: 0.82rem;
}

.proof-section {
  background: linear-gradient(135deg, #edf4f1, #e4eef6);
}

.proof-card,
.testimonial-card,
.process-card {
  background: linear-gradient(180deg, var(--tt-surface), #edf5f2);
  border: 1px solid var(--tt-line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(16, 38, 63, 0.08);
  height: 100%;
  padding: 1.3rem;
}

.proof-card i {
  align-items: center;
  background: var(--tt-navy);
  border-radius: 8px;
  color: var(--tt-gold);
  display: inline-flex;
  font-size: 1.3rem;
  height: 44px;
  justify-content: center;
  margin-bottom: 1rem;
  width: 44px;
}

.proof-card h3,
.testimonial-card h3,
.process-card h3 {
  color: var(--tt-navy);
  font-size: 1.12rem;
  font-weight: 850;
}

.process-card span {
  align-items: center;
  background: var(--tt-green);
  border-radius: 8px;
  color: var(--tt-white);
  display: inline-flex;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  margin-bottom: 1rem;
  width: 38px;
}

.review-badge {
  background: #fff4d8;
  border: 1px solid #e4bb67;
  border-radius: 999px;
  color: #704600;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.7rem;
}

.offer-panel strong {
  color: var(--tt-gold);
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 4rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.08;
}

.breadcrumb {
  --bs-breadcrumb-divider-color: rgba(255, 255, 255, 0.6);
  --bs-breadcrumb-item-active-color: rgba(255, 255, 255, 0.75);
}

.breadcrumb a {
  color: var(--tt-white);
  font-weight: 700;
}

.quote-panel {
  background: linear-gradient(180deg, #e4eef6, #dcebe6);
  border-color: #aebfcc;
  box-shadow: 0 22px 60px rgba(16, 38, 63, 0.16);
  padding: 1.5rem;
}

.form-control,
.form-select {
  background-color: #fbfdfc;
  border-color: #8fa5b5;
  border-width: 2px;
  border-radius: 8px;
  min-height: 48px;
}

.form-label {
  color: #253346;
  font-weight: 750;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--tt-green);
  box-shadow: 0 0 0 0.2rem rgba(22, 132, 91, 0.16);
}

.footer {
  background: #0d1d30;
  color: rgba(255, 255, 255, 0.78);
  padding: 3.5rem 0 1.5rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
}

.footer a:hover {
  color: var(--tt-white);
}

.footer-title {
  color: var(--tt-white);
  font-weight: 800;
}

.small-note {
  color: var(--tt-muted);
  font-size: 0.92rem;
}

@media (max-width: 991.98px) {
  .hero {
    background: linear-gradient(180deg, rgba(237, 244, 241, 0.98) 0%, rgba(237, 244, 241, 0.94) 56%, rgba(237, 244, 241, 0.42) 100%),
      url("../images/air-duct-cleaning-hero.png") center bottom / cover no-repeat;
    min-height: auto;
    padding-top: 5rem;
  }

  .section {
    padding: 4rem 0;
  }
}

@media (max-width: 575.98px) {
  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .btn-lg {
    width: 100%;
  }
}