/* ============================================================
   HeatSource Boilers — styles.css
   Fonts: Poppins (headings), Inter (body) via Google Fonts
   Brand: Red #cc0000 | Blue #1a6eb5 | Dark #0d1117
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --red:         #cc0000;
  --red-dark:    #a80000;
  --blue:        #1a6eb5;
  --blue-dark:   #155a96;
  --blue-light:  #2580cc;
  --dark:        #0d1117;
  --dark-mid:    #1a2035;
  --white:       #ffffff;
  --bg-light:    #f4f6f8;
  --bg-section:  #f8fafc;
  --text-primary:   #1e293b;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;
  --border:      #e2e8f0;
  --shadow:      0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg:   0 10px 30px rgba(0,0,0,0.12);
  --radius:      8px;
  --radius-lg:   14px;
  --transition:  200ms ease;
  --max-width:   1200px;
}

/* ===== RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.section--grey { background: var(--bg-light); }
.section--dark { background: var(--dark); color: var(--white); }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 0.75rem;
  font-family: 'Poppins', sans-serif;
}

.section-title {
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* ===== FOCUS ===== */
*:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--blue);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--radius) var(--radius);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  font-size: 0.93rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  transition: color var(--transition);
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active { color: #fff; }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.header__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--red);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.header__cta-btn:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn--red {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.btn--red:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(204,0,0,0.3);
}

.btn--blue {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.btn--blue:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,110,181,0.3);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.8);
}

.btn--sm {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
}

/* ===== HERO ===== */
.hero {
  background: var(--dark);
  color: #fff;
  padding: 6.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(26,110,181,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(204,0,0,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
}

.hero__inner { position: relative; z-index: 1; max-width: 820px; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26,110,181,0.15);
  border: 1px solid rgba(26,110,181,0.35);
  color: #93c5fd;
  padding: 0.4rem 1.1rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}
.hero__badge svg { width: 14px; height: 14px; }

.hero__title,
.hero h1 {
  color: #fff;
  margin-bottom: 1.25rem;
  font-weight: 800;
}
.hero__title .accent-red, .hero h1 .accent-red  { color: var(--red); }
.hero__title .accent-blue, .hero h1 .accent-blue { color: #60a5fa; }

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 2.75rem;
  max-width: 620px;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.hero__trust-item svg {
  width: 16px; height: 16px;
  color: #4ade80;
}

/* ===== ACCREDITATIONS BAR ===== */
.accred-bar {
  background: #111827;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 1.5rem 0;
}

.accred-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.accred-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 2.5rem;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.accred-item:first-child { border-left: 1px solid rgba(255,255,255,0.08); }

.accred-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 0.65rem;
  text-align: center;
  line-height: 1.3;
  flex-shrink: 0;
  letter-spacing: 0;
}
/* Gas Safe: black + yellow */
.accred-icon--red   { background: #1a1a1a; color: #FFD500; }
/* OFTEC: green + white */
.accred-icon--blue  { background: #00843d; color: #fff; }
/* Worcester Accredited: red/blue split + white */
.accred-icon--green { background: linear-gradient(135deg, var(--red) 45%, var(--blue) 45%); color: #fff; }
/* BPEC G3: dark slate + white */
.accred-icon--dark  { background: #2d3748; color: #fff; }

.accred-info { display: flex; flex-direction: column; }
.accred-info strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  line-height: 1.2;
}
.accred-info span {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.45);
}

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}
.services-grid--three {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
  .services-grid--three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .services-grid--three { grid-template-columns: 1fr; }
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: default;
}
.service-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(204,0,0,0.06), rgba(26,110,181,0.1));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card__icon svg {
  width: 28px; height: 28px;
  color: var(--blue);
  stroke-width: 1.75;
}

.service-card__title {
  font-size: 1.05rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.service-card__text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ===== GOOGLE REVIEWS BADGE ===== */
.google-reviews-header {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.google-reviews-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1.5rem;
  box-shadow: var(--shadow);
}

.google-reviews-badge__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.google-reviews-badge__logo-text {
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  letter-spacing: -0.01em;
  color: #5f6368;
}
.google-reviews-badge__logo-text span:nth-child(1) { color: #4285F4; }
.google-reviews-badge__logo-text span:nth-child(2) { color: #EA4335; }
.google-reviews-badge__logo-text span:nth-child(3) { color: #FBBC05; }
.google-reviews-badge__logo-text span:nth-child(4) { color: #4285F4; }
.google-reviews-badge__logo-text span:nth-child(5) { color: #34A853; }
.google-reviews-badge__logo-text span:nth-child(6) { color: #EA4335; }

.google-reviews-badge__divider {
  width: 1px;
  height: 28px;
  background: var(--border);
}

.google-reviews-badge__rating {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.google-reviews-badge__score {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  color: var(--text-primary);
  line-height: 1;
}

.google-reviews-badge__stars {
  display: flex;
  gap: 2px;
}
.google-reviews-badge__stars svg {
  width: 14px; height: 14px;
  fill: #FBBC05;
}

.google-reviews-badge__count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.testimonial-card__source {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}

.testimonial-card__source svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.testimonial-card__source-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #5f6368;
  letter-spacing: 0.01em;
}

.btn--google {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.btn--google:hover {
  background: #f8f9fa;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  transform: translateY(-1px);
}
.btn--google svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem 1.75rem;
  position: relative;
  transition: box-shadow var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }

.testimonial-card__quote-icon {
  color: var(--red);
  opacity: 0.2;
  font-size: 3.5rem;
  font-family: Georgia, serif;
  line-height: 1;
  margin-bottom: -0.5rem;
}

.stars {
  display: flex;
  gap: 2px;
  margin-bottom: 0.75rem;
}
.stars svg {
  width: 16px; height: 16px;
  fill: #f59e0b;
  color: #f59e0b;
}

.testimonial-card__text {
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-size: 0.93rem;
}
.testimonial-card__author {
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  color: var(--text-primary);
}
.testimonial-card__author::before {
  content: '— ';
  color: var(--text-muted);
  font-style: normal;
}

/* ===== TRUST STRIP ===== */
.trust-strip {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
  padding: 4rem 0;
  color: #fff;
  position: relative;
}
.trust-strip::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.trust-stat__number {
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.trust-stat__number .accent-red  { color: var(--red); }
.trust-stat__number .accent-blue { color: #60a5fa; }

.trust-stat__label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 4.5rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3rem;
}

.footer__logo img {
  height: 44px;
  width: auto;
  margin-bottom: 1rem;
}

.footer__tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.88rem;
}
.footer__contact-item svg {
  width: 15px; height: 15px;
  color: var(--blue);
  flex-shrink: 0;
}
.footer__contact-item a {
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer__contact-item a:hover { color: #fff; }

.footer__col-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.93rem;
  color: #fff;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer__nav a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer__nav a:hover { color: #fff; }

.footer__accreds {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__accred-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.footer__accred-item::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.footer__accred-item--red::before   { background: #FFD500; }
.footer__accred-item--blue::before  { background: #00843d; }
.footer__accred-item--green::before { background: linear-gradient(to right, var(--red) 50%, var(--blue) 50%); }
.footer__accred-item--dark::before  { background: #2d3748; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--dark);
  color: #fff;
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}
.page-header__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 100% at 90% 50%, rgba(26,110,181,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--blue) 100%);
}
.page-header__inner { position: relative; z-index: 1; }
.page-header__label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.875rem;
  font-family: 'Poppins', sans-serif;
}
.page-header h1 { color: #fff; margin-bottom: 0.75rem; }
.page-header__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  line-height: 1.7;
}

/* ===== ABOUT PAGE ===== */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-intro__lead {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}
.about-feature__icon {
  width: 38px; height: 38px;
  background: rgba(26,110,181,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-feature__icon svg {
  width: 19px; height: 19px;
  color: var(--blue);
  stroke-width: 1.75;
}
.about-feature__title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
  font-family: 'Poppins', sans-serif;
}
.about-feature__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

.about-visual {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 80% 20%, rgba(26,110,181,0.15) 0%, transparent 60%);
}
.about-visual__inner { position: relative; z-index: 1; }
.about-visual__headline {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.75rem;
  line-height: 1.3;
}
.about-visual__stat {
  margin-bottom: 1.5rem;
}
.about-visual__stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.about-visual__stat-number .accent-red  { color: var(--red); }
.about-visual__stat-number .accent-blue { color: #60a5fa; }
.about-visual__stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}
.about-visual__divider {
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--red), var(--blue));
  margin: 1.5rem 0;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  transition: box-shadow var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-lg); }

.team-card__avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red) 0%, var(--blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.team-card__name {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}
.team-card__role {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue);
  font-family: 'Poppins', sans-serif;
  margin-bottom: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.team-card__bio {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.team-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.02em;
}
.badge--red   { background: rgba(204,0,0,0.07);   color: var(--red);   border: 1px solid rgba(204,0,0,0.18); }
.badge--blue  { background: rgba(26,110,181,0.07); color: var(--blue);  border: 1px solid rgba(26,110,181,0.2); }
.badge--green { background: rgba(22,163,74,0.07);  color: #15803d;      border: 1px solid rgba(22,163,74,0.2); }
.badge--dark  { background: rgba(13,17,23,0.06);   color: var(--dark);  border: 1px solid rgba(13,17,23,0.15); }

/* ===== SERVICES PAGE ===== */
.services-page-nav {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 72px;
  z-index: 100;
}
.services-page-nav__inner {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.services-page-nav__inner::-webkit-scrollbar { display: none; }
.services-page-nav__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
}
.services-page-nav__item:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.services-page-nav__item svg {
  width: 16px; height: 16px;
  stroke-width: 1.75;
}

/* Service section layout */
.service-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}
.service-section:last-child { border-bottom: none; }
.service-section--alt { background: var(--bg-light); }

.service-section__inner {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 4rem;
  align-items: start;
}

.service-section__sidebar {
  background: linear-gradient(135deg, rgba(204,0,0,0.04), rgba(26,110,181,0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
  position: sticky;
  top: 130px;
}
.service-section__sidebar svg {
  width: 56px; height: 56px;
  color: var(--blue);
  stroke-width: 1.5;
}
.service-section__sidebar h3 {
  font-size: 1rem;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.service-section__content h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.service-section__content > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.service-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.service-point {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.5;
}
.service-point__check {
  width: 20px; height: 20px;
  background: var(--blue);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-point__check svg {
  width: 11px; height: 11px;
  color: #fff;
  stroke-width: 3;
}

.service-callout {
  background: rgba(26,110,181,0.06);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.service-callout strong { color: var(--blue); }

/* ===== TROUBLESHOOTING ===== */
.trouble-grid { display: grid; gap: 1.5rem; }

.trouble-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.trouble-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.trouble-card__header svg {
  width: 28px; height: 28px;
  color: var(--blue);
  stroke-width: 1.75;
  flex-shrink: 0;
}
.trouble-card__header h3 {
  font-size: 1.05rem;
  flex: 1;
}

.trouble-card__body {
  padding: 1.75rem 2rem;
}
.trouble-card__body > p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.trouble-steps {
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.trouble-steps li {
  counter-increment: steps;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--bg-light);
}
.trouble-steps li:last-child { border-bottom: none; padding-bottom: 0; }

.trouble-steps li::before {
  content: counter(steps);
  min-width: 28px; height: 28px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  font-family: 'Poppins', sans-serif;
}

.trouble-note {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}
.trouble-note svg {
  width: 16px; height: 16px;
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Warning box */
.warning-box {
  background: #fff5f5;
  border: 2px solid var(--red);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-top: 1.5rem;
}
.warning-box__header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}
.warning-box__header svg {
  width: 32px; height: 32px;
  color: var(--red);
  flex-shrink: 0;
}
.warning-box__header h3 { color: var(--red); font-size: 1.2rem; }

.warning-list { margin-bottom: 1.75rem; }
.warning-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.93rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(204,0,0,0.1);
}
.warning-list li:last-child { border-bottom: none; }
.warning-icon {
  width: 22px; height: 22px;
  background: var(--red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  font-family: 'Poppins', sans-serif;
}

.emergency-call {
  background: var(--red);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.emergency-call__text {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
}
.emergency-call__text small {
  display: block;
  font-weight: 400;
  opacity: 0.8;
  font-size: 0.85rem;
}
.emergency-call__numbers {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.emergency-call__numbers a {
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  font-family: 'Poppins', sans-serif;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.4);
}

/* ===== CONTACT PAGE ===== */
.contact-hero-banner {
  background: linear-gradient(135deg, var(--red) 0%, #a80000 100%);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  color: #fff;
  text-align: center;
  margin-bottom: 3rem;
}
.contact-hero-banner h2 {
  color: #fff;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.contact-hero-banner p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.75rem;
}
.contact-hero-banner__phones {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.contact-phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.35);
  color: #fff;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  font-size: 1.15rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition);
}
.contact-phone-btn:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.7);
}
.contact-phone-btn svg { width: 20px; height: 20px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-info-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-info-card__header {
  background: var(--dark);
  padding: 1.5rem 2rem;
}
.contact-info-card__header h3 {
  color: #fff;
  font-size: 1.05rem;
}

.contact-items { padding: 0.5rem 0; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }

.contact-item__icon {
  width: 44px; height: 44px;
  background: rgba(26,110,181,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item__icon svg {
  width: 22px; height: 22px;
  color: var(--blue);
  stroke-width: 1.75;
}

.contact-item__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: 'Poppins', sans-serif;
  margin-bottom: 0.3rem;
}
.contact-item__value {
  font-size: 0.97rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.55;
}
.contact-item__value a {
  color: var(--blue);
  transition: color var(--transition);
}
.contact-item__value a:hover { color: var(--blue-dark); }

.contact-accreds-card {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: #fff;
}
.contact-accreds-card h3 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}
.contact-accreds-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.contact-accred-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.contact-accred-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 0.6rem;
  text-align: center;
  flex-shrink: 0;
  line-height: 1.3;
}
/* Gas Safe: black + yellow */
.contact-accred-icon--red   { background: #1a1a1a; color: #FFD500; }
/* OFTEC: green + white */
.contact-accred-icon--blue  { background: #00843d; color: #fff; }
/* Worcester Accredited: red/blue split + white */
.contact-accred-icon--green { background: linear-gradient(135deg, var(--red) 45%, var(--blue) 45%); color: #fff; }

.contact-accred-text strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  font-family: 'Poppins', sans-serif;
}
.contact-accred-text span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.contact-coverage {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
}
.contact-coverage h4 {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.625rem;
}
.contact-coverage p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer__grid          { grid-template-columns: 1fr 1fr; }
  .about-intro-grid      { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-section__inner { grid-template-columns: 1fr; gap: 2rem; }
  .service-section__sidebar { position: static; display: flex; align-items: center; gap: 1.5rem; text-align: left; padding: 1.5rem; }
  .service-section__sidebar h3 { margin-top: 0; }
  .contact-grid          { grid-template-columns: 1fr; }
  .accred-item           { padding: 0.75rem 1.5rem; }
}

@media (max-width: 768px) {
  .section  { padding: 3.5rem 0; }
  .container { padding: 0 1.25rem; }

  .header__nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #0a0c12;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    align-items: flex-start;
  }
  .header__nav.open { display: flex; }
  .header__cta-btn.desktop-only { display: none; }
  .nav-toggle { display: flex; }

  .hero        { padding: 3.5rem 0 3rem; }
  .hero__cta   { flex-direction: column; align-items: flex-start; }
  .hero__trust { gap: 1rem; }

  .accred-bar__inner    { flex-direction: column; align-items: flex-start; gap: 0; }
  .accred-item          { padding: 0.875rem 1.25rem; border: none; border-bottom: 1px solid rgba(255,255,255,0.06); width: 100%; }
  .accred-item:first-child { border-left: none; border-top: 1px solid rgba(255,255,255,0.06); }

  .services-grid        { grid-template-columns: 1fr; }
  .testimonials-grid    { grid-template-columns: 1fr; }
  .trust-strip__grid    { grid-template-columns: 1fr 1fr; }
  .footer__grid         { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom       { flex-direction: column; text-align: center; }

  .team-card            { flex-direction: column; gap: 1.25rem; }
  .about-features       { grid-template-columns: 1fr; }
  .service-points       { grid-template-columns: 1fr; }
  .services-page-nav    { top: 72px; }

  .trouble-card__header { padding: 1.25rem; }
  .trouble-card__body   { padding: 1.25rem; }

  .contact-hero-banner  { padding: 2rem 1.5rem; }
  .contact-hero-banner__phones { flex-direction: column; }
  .emergency-call       { flex-direction: column; }
}

@media (max-width: 480px) {
  .btn                  { padding: 0.825rem 1.5rem; font-size: 0.95rem; }
  .trust-strip__grid    { grid-template-columns: 1fr; }
  .service-section__sidebar { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}