* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #030303;
  --charcoal: #111111;
  --red: #ed1c24;
  --red-dark: #b90f16;
  --white: #ffffff;
  --off-white: #f7f7f7;
  --soft-grey: #eeeeee;
  --border: #dedede;
  --text: #101010;
  --muted: #666666;
  --footer-muted: #cfcfcf;
  --shadow: 0 16px 45px rgba(0, 0, 0, 0.10);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background:
    radial-gradient(circle at 15% 0%, rgba(255,255,255,0.055), transparent 30%),
    #000000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 8px 30px rgba(0,0,0,0.20);
}

.navbar {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  min-height: 94px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand img {
  width: 218px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #f2f2f2;
  font-weight: 700;
  font-size: 0.96rem;
}

.nav-links a {
  position: relative;
  opacity: 0.9;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 0;
  height: 3px;
  background: var(--red);
  transition: width 0.22s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  opacity: 1;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.call-btn,
.quote-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border-radius: 10px;
  padding: 0.9rem 1.35rem;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.call-btn,
.quote-btn,
.btn-primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(237, 28, 36, 0.26);
}

.call-btn:hover,
.quote-btn:hover,
.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

.btn-call {
  background: var(--black);
  color: var(--white);
  border: 1px solid #242424;
  box-shadow: none;
}

.btn-call:hover {
  background: #1a1a1a;
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text);
  background: transparent;
  border-bottom: 3px solid var(--red);
  border-radius: 0;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
}

.btn-white {
  background: var(--white);
  color: var(--red);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.btn-white:hover,
.btn-ghost:hover {
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  font-size: 1.5rem;
  padding: 0.35rem 0.65rem;
}

.hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--white);
  overflow: hidden;
  border-bottom: 1px solid var(--soft-grey);
}

.hero-copy {
  padding: 92px 7vw 130px max(7vw, calc((100vw - 1180px) / 2));
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -120px;
  top: 0;
  bottom: 0;
  width: 280px;
  background: linear-gradient(90deg, var(--white) 18%, rgba(255,255,255,0.82) 48%, rgba(255,255,255,0));
  pointer-events: none;
  z-index: -1;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 900;
  margin-bottom: 18px;
}

.section-label span {
  width: 44px;
  height: 3px;
  background: var(--red);
  display: inline-block;
}

.section-label.centered {
  justify-content: center;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 5.15rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin-bottom: 24px;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.hero-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  color: #3b3b3b;
  font-weight: 800;
  font-size: 0.95rem;
}

.hero-contact a,
.hero-contact span {
  border: 1px solid var(--border);
  background: #fbfbfb;
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
}

.hero-image {
  min-height: 640px;
  position: relative;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.75) 0%, rgba(255,255,255,0.22) 25%, rgba(255,255,255,0) 52%);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.floating-services {
  width: min(1080px, calc(100% - 36px));
  margin: -74px auto 24px;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}

.service-icon {
  width: 78px;
  height: 78px;
  border: 2px solid var(--red);
  color: var(--red);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  margin-bottom: 4px;
}

.service-card h2 {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.service-card p {
  color: var(--muted);
}

.service-card a {
  color: var(--red);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.86rem;
  margin-top: 8px;
}

.trust-strip {
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto 52px;
  background: linear-gradient(180deg, #fafafa, #f0f0f0);
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(0,0,0,0.08);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  overflow: hidden;
}

.trust-item {
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 15px;
  align-items: start;
  border-right: 1px solid #d6d6d6;
}

.trust-item:last-child {
  border-right: 0;
}

.trust-icon {
  color: var(--red);
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1;
}

.trust-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.trust-item p {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 74px 18px;
}

.section-heading {
  width: min(820px, 100%);
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading.compact {
  margin-bottom: 26px;
}

.section-heading h2,
.about h2,
.contact h2,
.cta-band h2 {
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.section-heading p,
.about p,
.contact p {
  color: var(--muted);
}

.accreditations,
.gallery,
.faq {
  background: var(--off-white);
}

.badge-grid {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.badge-card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfb 100%);
  border: 1px solid #dddddd;
  border-top: 4px solid var(--red);
  border-radius: 16px;
  min-height: 150px;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.badge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(0,0,0,0.12);
  border-color: #d4d4d4;
}

.badge-card img {
  width: 100%;
  max-width: 190px;
  max-height: 92px;
  object-fit: contain;
  display: block;
}

.important-note {
  width: min(780px, 100%);
  margin: 18px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.about {
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 38px;
  align-items: center;
}

.about p + p {
  margin-top: 14px;
}

.about-panel {
  background: var(--black);
  color: var(--white);
  border-radius: 20px;
  padding: 34px;
  box-shadow: var(--shadow);
  background-image: radial-gradient(circle at 15% 0%, rgba(237,28,36,0.28), transparent 35%);
}

.about-panel h3 {
  font-size: 1.45rem;
  margin-bottom: 18px;
}

.about-panel ul {
  list-style: none;
  display: grid;
  gap: 12px;
}

.about-panel li {
  color: #eeeeee;
  padding-left: 26px;
  position: relative;
}

.about-panel li::before {
  content: "✓";
  color: var(--red);
  font-weight: 900;
  position: absolute;
  left: 0;
}

.areas {
  background: var(--white);
}

.area-grid {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.area-grid span {
  background: #fbfbfb;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.85rem 1rem;
  text-align: center;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.gallery-grid {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.gallery-card {
  position: relative;
  min-height: 300px;
  aspect-ratio: 3 / 4;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(0,0,0,0.14);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.reviews {
  background: var(--white);
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 22px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.06);
}

.stars {
  color: #13a35e;
  letter-spacing: 0.08em;
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.review-card p {
  color: var(--muted);
  margin-bottom: 12px;
}

.review-card strong,
.review-card span {
  display: block;
}

.review-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.cta-band {
  width: min(1100px, calc(100% - 36px));
  margin: 0 auto;

  background: #0f0f0f;
  border: 6px solid var(--red);

  color: var(--white);
  border-radius: 18px;
  padding: 22px 42px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;

  box-shadow: none;
}

.cta-section {
  background: var(--off-white);
  padding: 0;
}

.cta-band .btn-white {
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
}

.cta-band .btn-white:hover {
  background: #d60008;
  color: var(--white);
  border-color: #d60008;
}

.cta-icon {
  width: 76px;
  height: 76px;
  border: 4px solid var(--white);
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 900;
}

.cta-band h2 {
  margin-bottom: 4px;
}

.cta-band p {
  color: rgba(255,255,255,0.9);
}

.faq-list {
  width: min(850px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

details {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin-top: 10px;
  color: var(--muted);
}

.contact {
  background: var(--white);
}

.contact-card {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  background: #fbfbfb;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.contact-lines {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.contact-lines a {
  background: #f7f7f7;
  border: 1px solid #d8d8d8;
  border-radius: 14px;
  padding: 1rem 1.1rem;
  font-weight: 900;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 58px;
}

.contact-lines a:hover {
  border-color: var(--black);
  background: #ffffff;
}

.contact-icon {
  color: var(--black);
  width: 36px;
  min-width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  font-size: 1rem;
}

.contact-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: #333333;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfcfcf;
  background: var(--white);
  color: var(--text);
  border-radius: 12px;
  padding: 0.95rem 1rem;
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(237, 28, 36, 0.16);
  border-color: var(--red);
}

textarea {
  resize: vertical;
}

.footer {
  background:
    radial-gradient(circle at 12% 0%, rgba(255,255,255,0.055), transparent 32%),
    #000000;
  color: var(--white);
  padding: 48px 18px 20px;
}

.footer-grid {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.9fr 1.1fr;
  gap: 36px;
}

.footer-logo {
  width: 210px;
  margin-bottom: 18px;
}

.footer p,
.footer span,
.footer a {
  color: var(--footer-muted);
}

.footer h3 {
  margin-bottom: 14px;
  color: var(--white);
}

.footer-grid div:not(:first-child) {
  display: flex;
  flex-direction: column;
}

.footer a,
.footer span {
  margin-bottom: 8px;
}

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

.footer-bottom {
  width: min(1100px, 100%);
  margin: 30px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.floating-contact {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  background: var(--red);
  color: var(--white);
  font-weight: 900;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  box-shadow: 0 15px 34px rgba(0,0,0,0.26);
}

@media (max-width: 980px) {
  .navbar {
    min-height: 82px;
  }

  .brand img {
    width: 178px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 82px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #080808;
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 15px;
    padding: 10px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 14px;
  }

  .header-actions {
    gap: 8px;
  }

  .quote-btn {
    display: none;
  }

  .call-btn {
    min-height: 42px;
    padding: 0.72rem 1rem;
    border-radius: 999px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 58px 22px 44px;
  }

  .hero-copy::after {
    display: none;
  }

  .hero-image {
    min-height: 420px;
    order: -1;
  }

  .hero-image::after {
    background: linear-gradient(180deg, rgba(255,255,255,0) 35%, var(--white) 96%);
  }

  .floating-services,
  .trust-strip,
  .about,
  .contact-card,
  .footer-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .floating-services {
    margin-top: 28px;
  }

  .trust-item {
    border-right: 0;
    border-bottom: 1px solid #d6d6d6;
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .badge-grid,
  .area-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-band {
    text-align: center;
    justify-items: center;
  }
}

@media (max-width: 600px) {
  .navbar {
    width: calc(100% - 24px);
  }

  .brand img {
    width: 142px;
  }

  .call-btn {
    padding: 0.65rem 0.85rem;
    font-size: 0.88rem;
  }

  .hero h1 {
    font-size: 2.65rem;
  }

  .hero-actions,
  .hero-contact {
    align-items: stretch;
    flex-direction: column;
  }

  .btn,
  .hero-contact a,
  .hero-contact span {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .badge-grid,
  .area-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .contact-card,
  .about-panel {
    padding: 24px;
  }

  .section {
    padding: 58px 14px;
  }

  .footer-bottom {
    display: block;
  }

  .floating-contact {
    right: 12px;
    bottom: 12px;
  }
}

/* Boiler brand sliding wheel */
.boiler-brands {
  background: var(--white);
  color: var(--text);
  overflow: hidden;
}

.boiler-brands .section-heading p {
  color: var(--muted);
}

.boiler-brands .section-label {
  color: var(--red);
}

.brand-wheel {
  width: min(1180px, calc(100% - 36px));
  margin: 18px auto 0;
  position: relative;
  overflow: hidden;
  padding: 18px 0;
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}

.brand-wheel::before,
.brand-wheel::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 110px;
  z-index: 2;
  pointer-events: none;
}

.brand-wheel::before {
  left: 0;
  background: linear-gradient(90deg, rgba(255,255,255,1), rgba(255,255,255,0));
}

.brand-wheel::after {
  right: 0;
  background: linear-gradient(270deg, rgba(255,255,255,1), rgba(255,255,255,0));
}

.brand-track {
  display: flex;
  align-items: center;
  width: max-content;
  gap: 18px;
  animation: boiler-scroll 30s linear infinite;
}

.brand-wheel:hover .brand-track {
  animation-play-state: paused;
}

.boiler-brand {
  min-width: 172px;
  min-height: 82px;
  background: #ffffff;
  color: #111111;
  border: 1px solid rgba(0, 0, 0, 0.09);
  border-top: 5px solid var(--red);
  border-radius: 16px;
  padding: 1rem 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.18;
  box-shadow: 0 12px 30px rgba(0,0,0,0.10);
  letter-spacing: -0.015em;
  white-space: normal;
}

.boiler-brand img {
  max-width: 132px;
  max-height: 54px;
  object-fit: contain;
  display: block;
}

@keyframes boiler-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
  }

  .brand-wheel {
    mask-image: none;
    -webkit-mask-image: none;
  }
}

@media (max-width: 600px) {
  .boiler-brand {
    min-width: 144px;
    min-height: 70px;
    font-size: 0.92rem;
    padding: 0.85rem;
  }

  .brand-track {
    gap: 12px;
    animation-duration: 24s;
  }

  .brand-wheel::before,
  .brand-wheel::after {
    width: 54px;
  }
}