:root {
  --navy: #001b5e;
  --blue: #0070c9;
  --blue-mid: #005ea6;
  --blue-light: #e8f2fb;
  --accent: #ff6b00;
  --green: #00a651;
  --white: #ffffff;
  --off-white: #f4f7fa;
  --text: #1a1a2e;
  --text-mid: #444f6a;
  --text-light: #7a8399;
  --border: #d9e3ee;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(0, 27, 94, 0.08);
  --shadow-md: 0 6px 24px rgba(0, 27, 94, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 27, 94, 0.18);
  --font-display: 'Lato', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
  --max-w: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

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

.topbar {
  background: var(--navy);
  padding: 8px 20px;
}

.topbar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.topbar__trust,
.topbar__link,
.topbar__phone {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
}

.topbar__contact {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.topbar__phone {
  font-weight: 700;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 3px solid var(--blue);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header__brand,
.footer__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--navy);
  text-decoration: none;
}

.header__nav {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header__nav-link,
.header__nav-cta {
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-sm);
}

.header__nav-link {
  color: var(--navy);
  padding: 8px 14px;
}

.header__nav-link:hover {
  background: var(--blue-light);
  color: var(--blue);
}

.header__nav-cta {
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
}

.header__nav-cta:hover {
  background: var(--navy);
}

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #003090 60%, var(--blue-mid) 100%);
  color: #fff;
  padding: 64px 20px 72px;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}

.hero__eyebrow,
.section-heading__eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-weight: 800;
  font-size: 13px;
  font-family: var(--font-display);
}

.hero__eyebrow {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 12px;
}

.hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

.hero__sub {
  margin: 0 0 24px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 50ch;
}

.hero__actions,
.gas-safety__cta,
.cta-section__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__ticks {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.hero__ticks li::before {
  content: "✓";
  color: #fff;
  font-weight: 700;
  margin-right: 10px;
}

.hero__trust-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.hero__img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.hero__img--photo {
  height: 240px;
}

.hero__img--sign {
  background: rgba(255, 255, 255, 0.08);
  padding: 10px;
  height: 220px;
  object-fit: contain;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--lg {
  padding: 14px 28px;
}

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

.btn--primary:hover {
  background: #e45f00;
}

.btn--outline {
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn--outline:hover,
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn--ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--light {
  background: #fff;
  color: var(--navy);
}

.offer-banner {
  background: linear-gradient(90deg, #ff6b00, #ff8c00);
  color: #fff;
  padding: 14px 20px;
}

.offer-banner__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  text-align: center;
}

.offer-banner__badge {
  background: #fff;
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 900;
}

.offer-banner__cta {
  font-weight: 800;
}

.services,
.gas-safety,
.why-us,
.reviews,
.cta-section {
  padding: 68px 20px;
}

.services {
  background: var(--off-white);
}

.services__inner,
.gas-safety__inner,
.why-us__inner,
.reviews__inner,
.cta-section__inner,
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading--center {
  text-align: center;
}

.section-heading__eyebrow {
  color: var(--blue);
  margin-bottom: 8px;
}

.section-heading h2,
.gas-safety__title,
.cta-section h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  color: var(--navy);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.15;
}

.section-heading p,
.gas-safety__intro,
.cta-section p,
.footer__text {
  margin: 0;
  color: var(--text-mid);
  font-size: 1.05rem;
}

.services__grid,
.gas-safety__grid,
.why-us__grid,
.reviews__grid {
  display: grid;
  gap: 18px;
}

.services__grid,
.why-us__grid,
.reviews__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.gas-safety__card,
.why-us__card,
.review-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.service-card h3,
.gas-safety__card h3,
.why-us__card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-family: var(--font-display);
}

.service-card p,
.gas-safety__card p,
.why-us__card p,
.review-card p {
  margin: 0;
  color: var(--text-mid);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 14px;
  border-radius: var(--radius-sm);
}

.service-card a {
  display: inline-block;
  margin-top: 14px;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.trust-strip {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.trust-strip__item {
  background: #fff;
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--navy);
}

.gas-safety__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.gas-safety__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 24px 0;
}

.gas-safety__link {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  align-self: center;
}

.gas-safety__main-image {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: 14px;
}

.gas-safety__thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.gas-safety__thumbs img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.why-us {
  background: var(--off-white);
}

.review-card {
  border-left: 4px solid var(--blue);
}

.review-card__stars {
  color: #ffb400;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
  line-height: 1;
}

.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-mid) 100%);
  color: #fff;
}

.cta-section__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-section h2,
.cta-section p,
.footer,
.footer a,
.footer h3 {
  color: #fff;
}

.footer {
  background: #04153f;
  padding: 50px 20px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer h3 {
  margin-top: 0;
  font-family: var(--font-display);
}

.footer p {
  margin: 0 0 8px;
}

@media (max-width: 980px) {
  .hero__inner,
  .gas-safety__inner,
  .services__grid,
  .why-us__grid,
  .reviews__grid,
  .footer__inner,
  .trust-strip {
    grid-template-columns: 1fr 1fr;
  }

  .hero__inner,
  .gas-safety__inner {
    display: grid;
  }

  .cta-section__inner,
  .header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header__nav {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .hero,
  .services,
  .gas-safety,
  .why-us,
  .reviews,
  .cta-section,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero__inner,
  .services__grid,
  .gas-safety__grid,
  .why-us__grid,
  .reviews__grid,
  .trust-strip,
  .footer__inner,
  .gas-safety__thumbs {
    grid-template-columns: 1fr;
  }

  .topbar__inner,
  .header__inner {
    padding-left: 0;
    padding-right: 0;
  }

  .header__nav {
    gap: 6px;
  }

  .header__nav-link,
  .header__nav-cta {
    font-size: 14px;
  }
}


.header__brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header__logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.review-card__name {
  display: block;
  margin-top: 14px;
  color: var(--text-light);
  font-size: 0.95rem;
  font-style: normal;
  font-weight: 700;
}