/* =============================================
   NK GAS SERVICES — MAIN STYLESHEET
   ============================================= */

/* CSS Variables */
:root {
  --yellow: #F5C518;
  --yellow-dark: #d4a800;
  --navy: #0D1B2A;
  --blue: #1E6FDB;
  --blue-dark: #1558b0;
  --green: #16A34A;
  --green-dark: #12863d;
  --red: #DC2626;
  --white: #FFFFFF;
  --light-grey: #F3F4F6;
  --text-dark: #111827;
  --text-grey: #6B7280;
  --border: #E5E7EB;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 25px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-lg: 16px;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

/* =============================================
   TOP BAR
   ============================================= */
.top-bar {
  background: var(--navy);
  color: #ccd6e0;
  font-size: 13px;
  padding: 8px 0;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.top-bar a { color: #ccd6e0; transition: color 0.2s; }
.top-bar a:hover { color: var(--yellow); }
.top-bar .left { display: flex; gap: 20px; align-items: center; }
.top-bar .right { display: flex; gap: 20px; align-items: center; }
.top-bar .sep { opacity: 0.3; }

/* =============================================
   NAVIGATION
   ============================================= */
.main-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.3s;
}
.main-nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.12); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img {
  height: 44px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
/* White background pill for logo on dark sections */
footer .logo-img,
.mobile-menu .logo-img {
  background: var(--white);
  border-radius: 8px;
  padding: 4px 6px;
  height: 48px;
}
.logo-icon {
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: var(--white); font-size: 16px;
  position: relative;
}
.logo-icon::after {
  content: '';
}
.logo-text { line-height: 1.2; }
.logo-name { font-weight: 800; font-size: 17px; color: var(--navy); }
.logo-sub { font-size: 11px; color: var(--text-grey); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { background: var(--light-grey); color: var(--blue); }
.nav-links .dropdown { position: relative; }
.nav-links .dropdown > a::after { content: ' ▾'; font-size: 11px; }
.nav-links .dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 230px;
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all 0.2s;
  z-index: 100;
}
.nav-links .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: block; padding: 9px 14px; border-radius: 8px;
  font-size: 13.5px; color: var(--text-dark);
}
.dropdown-menu a:hover { background: var(--light-grey); color: var(--blue); }
.nav-cta {
  background: var(--yellow);
  color: var(--navy) !important;
  font-weight: 700 !important;
  padding: 9px 18px !important;
  border-radius: 8px;
  flex-shrink: 0;
}
.nav-cta:hover { background: var(--yellow-dark) !important; }

.nav-mobile-toggle {
  display: none;
  background: none;
  font-size: 24px;
  color: var(--navy);
  padding: 4px;
}

/* =============================================
   CONTAINER
   ============================================= */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 20px; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-yellow {
  background: var(--yellow);
  color: var(--navy);
}
.btn-yellow:hover { background: var(--yellow-dark); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(245,197,24,0.4); }
.btn-green {
  background: var(--green);
  color: var(--white);
}
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-dark {
  background: var(--navy);
  color: var(--white);
}
.btn-dark:hover { background: #1a3250; transform: translateY(-1px); }
.btn-blue {
  background: var(--blue);
  color: var(--white);
}
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }

/* =============================================
   BADGES & PILLS
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.badge-yellow { background: rgba(245,197,24,0.15); color: #8a6d00; border: 1px solid rgba(245,197,24,0.4); }
.badge-blue { background: rgba(30,111,219,0.1); color: var(--blue); border: 1px solid rgba(30,111,219,0.25); }
.badge-green { background: rgba(22,163,74,0.1); color: var(--green); border: 1px solid rgba(22,163,74,0.25); }
.badge-red { background: rgba(220,38,38,0.1); color: var(--red); border: 1px solid rgba(220,38,38,0.25); }
.badge-white { background: rgba(255,255,255,0.15); color: var(--white); border: 1px solid rgba(255,255,255,0.3); }

.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 50px;
  font-size: 12px; font-weight: 600;
}
.tag-green { background: rgba(22,163,74,0.12); color: var(--green); }
.tag-blue { background: rgba(30,111,219,0.12); color: var(--blue); }
.tag-red { background: rgba(220,38,38,0.12); color: var(--red); }
.tag-yellow { background: rgba(245,197,24,0.2); color: #7a5c00; }
.tag-grey { background: var(--light-grey); color: var(--text-grey); }

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-header h2 .blue { color: var(--blue); }
.section-header p {
  font-size: 17px;
  color: var(--text-grey);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   CARDS
   ============================================= */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-dark {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--white);
}
.card-yellow-border { border: 2px solid var(--yellow); }
.card-blue-border { border: 2px solid var(--blue); }
.card-red-border { border: 2px solid rgba(220,38,38,0.3); background: rgba(220,38,38,0.03); }

/* =============================================
   CHECKLIST
   ============================================= */
.checklist { display: grid; gap: 10px; }
.checklist-2col { grid-template-columns: 1fr 1fr; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text-dark);
}
.checklist li::before {
  content: '';
  width: 20px; height: 20px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}
.checklist.dark li { color: rgba(255,255,255,0.85); }

/* =============================================
   SECTIONS
   ============================================= */
section { padding: 72px 0; }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark .section-header h2 { color: var(--white); }
.section-dark .section-header p { color: rgba(255,255,255,0.65); }
.section-grey { background: var(--light-grey); }
.section-yellow { background: var(--yellow); }

/* =============================================
   HERO
   ============================================= */
.hero {
  background: linear-gradient(135deg, #f8fafc 0%, #e8f0fe 50%, #f0fdf4 100%);
  padding: 72px 0 60px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-left {}
.hero-google {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}
.stars { color: var(--yellow); letter-spacing: 1px; }
.hero h1 {
  font-size: clamp(36px, 5.5vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.hero h1 .blue { color: var(--blue); }
.hero-sub {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.hero-meta {
  font-size: 14px;
  color: var(--text-grey);
  margin-bottom: 16px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.hero-meta .dot { opacity: 0.4; }
.hero-body { font-size: 16px; color: #374151; margin-bottom: 20px; line-height: 1.7; }
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(22,163,74,0.1);
  color: var(--green);
  border: 1px solid rgba(22,163,74,0.2);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.hero-sub-info {
  font-size: 13px;
  color: var(--text-grey);
  display: flex;
  gap: 8px;
  align-items: center;
}
.hero-right { position: relative; }
.hero-van-box {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3250 100%);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero-van-box::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 150px; height: 150px;
  background: rgba(245,197,24,0.1);
  border-radius: 50%;
}
.hero-van-emoji { font-size: 80px; margin-bottom: 16px; }
.hero-van-title { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.hero-van-sub { font-size: 14px; opacity: 0.7; margin-bottom: 20px; }
.hero-gas-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--yellow);
  color: var(--navy);
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
}

/* =============================================
   TRUST BAR
   ============================================= */
.trust-bar {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.trust-icon {
  width: 40px; height: 40px;
  background: var(--light-grey);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.trust-name { font-size: 14px; font-weight: 700; color: var(--text-dark); }
.trust-desc { font-size: 12px; color: var(--text-grey); }

/* =============================================
   SERVICE CARDS (MAIN)
   ============================================= */
.service-main-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.service-card-main {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.service-card-main:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.service-card-main.featured { border: 2px solid var(--yellow); }
.service-icon-box {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.service-icon-blue { background: rgba(30,111,219,0.12); }
.service-icon-yellow { background: rgba(245,197,24,0.2); }
.service-icon-green { background: rgba(22,163,74,0.12); }
.service-icon-red { background: rgba(220,38,38,0.12); }
.service-card-title { font-size: 18px; font-weight: 800; color: var(--text-dark); }
.service-card-price { font-size: 22px; font-weight: 800; color: var(--blue); }
.service-card-body { font-size: 14px; color: var(--text-grey); line-height: 1.6; }
.service-card-actions { display: flex; gap: 8px; margin-top: auto; flex-wrap: wrap; }

.service-secondary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card-small {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.2s;
}
.service-card-small:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.service-card-small .icon { font-size: 28px; margin-bottom: 10px; }
.service-card-small .name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.service-card-small .price { font-size: 13px; color: var(--blue); font-weight: 600; }

/* =============================================
   REVIEW CARDS
   ============================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
}
.review-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.review-stars { color: var(--yellow); font-size: 15px; }
.review-quote { font-size: 28px; color: var(--yellow); line-height: 1; }
.review-text { font-size: 14px; color: #374151; line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.review-meta { display: flex; justify-content: space-between; align-items: flex-end; }
.review-name { font-size: 14px; font-weight: 700; }
.review-date { font-size: 12px; color: var(--text-grey); }
.review-service { font-size: 12px; color: var(--blue); font-weight: 500; }
.review-response {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-grey);
}
.review-response strong { color: var(--text-dark); font-size: 12px; }

/* =============================================
   AREA CARDS
   ============================================= */
.area-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 2px solid var(--yellow);
  transition: all 0.2s;
}
.area-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.area-card-large {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 2px solid var(--yellow);
}
.area-name { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.area-postcode { font-size: 13px; color: var(--text-grey); margin-bottom: 12px; }
.area-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.area-tag { background: var(--light-grey); color: var(--text-grey); padding: 3px 10px; border-radius: 50px; font-size: 12px; }

/* =============================================
   STATS
   ============================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 24px 16px;
}
.stat-number { font-size: 48px; font-weight: 900; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 15px; font-weight: 700; color: var(--text-dark); }
.stat-sublabel { font-size: 12px; color: var(--text-grey); margin-top: 4px; }
.stat-blue .stat-number { color: var(--blue); }
.stat-yellow .stat-number { color: var(--yellow-dark); }
.stat-green .stat-number { color: var(--green); }
.stat-dark .stat-number { color: var(--text-dark); }

/* =============================================
   HOW IT WORKS STEPS
   ============================================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step {
  text-align: center;
  padding: 32px 24px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
}
.step-number {
  width: 52px; height: 52px;
  background: var(--yellow);
  color: var(--navy);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  font-weight: 900;
  margin: 0 auto 16px;
}
.step-icon { font-size: 36px; margin-bottom: 16px; }
.step-title { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.step-body { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* =============================================
   PROCESS CHECKLIST BAR
   ============================================= */
.process-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.process-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 600;
}
.process-item::before {
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  content: '\f058';
  font-size: 16px;
  color: var(--green);
}

/* =============================================
   BRAND LOGOS GRID
   ============================================= */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.brand-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}
.brand-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--blue); }
.brand-emoji { font-size: 32px; margin-bottom: 10px; }
.brand-logo-img {
  width: 100%;
  max-width: 150px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto 12px;
  display: block;
}
.brand-small-logo {
  width: 100%;
  max-width: 120px;
  height: 38px;
  object-fit: contain;
  margin: 0 auto 4px;
  display: block;
}
.brand-name { font-size: 15px; font-weight: 700; color: var(--text-dark); }
.brand-warranty { font-size: 12px; color: var(--green); font-weight: 600; margin-top: 4px; }
.brand-price { font-size: 13px; color: var(--text-grey); margin-top: 2px; }
.brand-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

/* =============================================
   FAQ ACCORDION
   ============================================= */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.section-dark .faq-item { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }
.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  background: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.section-dark .faq-q { color: var(--white); }
.faq-q::after {
  content: '+';
  font-size: 20px;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s;
  font-size: 14.5px;
  color: var(--text-grey);
  line-height: 1.7;
}
.section-dark .faq-a { color: rgba(255,255,255,0.65); }
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* =============================================
   GAS SERVICE LINKS GRID
   ============================================= */
.seo-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.seo-link {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13.5px;
  color: rgba(255,255,255,0.8);
  transition: all 0.2s;
  display: block;
}
.seo-link:hover { background: rgba(255,255,255,0.12); color: var(--white); border-color: rgba(255,255,255,0.25); }

/* =============================================
   EMERGENCY BANNER
   ============================================= */
.emergency-banner {
  background: var(--yellow);
  padding: 40px 0;
  text-align: center;
}
.emergency-banner .badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.1);
  color: var(--navy);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}
.emergency-banner h2 {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 10px;
}
.emergency-banner p { font-size: 16px; color: rgba(0,0,0,0.65); margin-bottom: 24px; }
.emergency-banner .ctas { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* =============================================
   GAS SAFE SECTION
   ============================================= */
.gas-safe-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}
.engineer-card {
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.12);
}
.nk-avatar {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 900; color: var(--white);
  flex-shrink: 0;
}

/* =============================================
   FOOTER
   ============================================= */
.footer-stats-bar {
  background: #081422;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-stats-inner {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--yellow); }
.footer-col ul li a.blue { color: var(--blue); }
.footer-col ul li a.yellow { color: var(--yellow); }
.footer-logo-area { margin-bottom: 16px; }
.footer-address { font-size: 13.5px; line-height: 1.8; margin-bottom: 16px; }
.footer-contact-links { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.footer-contact-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact-links a:hover { color: var(--yellow); }
.footer-ctas { display: flex; gap: 8px; flex-wrap: wrap; }

.footer-questions {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-questions p {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}
.footer-questions-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-questions-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s;
}
.footer-questions-links a:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--white); }
.footer-bottom-links { display: flex; gap: 16px; }
.footer-powered { color: rgba(255,255,255,0.3); }

/* =============================================
   FLOATING EMERGENCY CTA
   ============================================= */
.floating-emergency {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
}
.floating-emergency.visible { opacity: 1; transform: translateY(0); }
.floating-phone-btn {
  width: 56px; height: 56px;
  background: var(--navy);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
  text-decoration: none;
  transition: transform 0.2s;
}
.floating-phone-btn:hover { transform: scale(1.1); }
.floating-pill {
  background: var(--yellow);
  color: var(--navy);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  text-align: right;
  white-space: nowrap;
}
.floating-pill .big { font-size: 14px; display: block; }

/* =============================================
   PRICING PAGE
   ============================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.pricing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pricing-card.featured { border: 2px solid var(--yellow); position: relative; }
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--yellow);
  color: var(--navy);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
}
.pricing-icon { font-size: 36px; margin-bottom: 16px; }
.pricing-title { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.pricing-price { font-size: 36px; font-weight: 900; color: var(--blue); margin-bottom: 6px; }
.pricing-desc { font-size: 14px; color: var(--text-grey); margin-bottom: 20px; }

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-avatar-box {
  background: linear-gradient(135deg, var(--navy), #1a3250);
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  color: var(--white);
}
.about-nk-avatar {
  width: 120px; height: 120px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; font-weight: 900; color: var(--white);
  margin: 0 auto 20px;
  border: 4px solid rgba(255,255,255,0.2);
}

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-form .form-group { margin-bottom: 18px; }
.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,111,219,0.1);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

/* =============================================
   MAP PLACEHOLDER
   ============================================= */
.map-box {
  background: var(--light-grey);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.map-embed {
  width: 100%;
  height: 350px;
  border: none;
}

/* =============================================
   AREAS PAGE
   ============================================= */
.areas-secondary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.more-areas-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.more-area-pill {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}
.more-area-pill:hover { background: rgba(255,255,255,0.14); color: var(--white); }

/* =============================================
   HERO SUB PAGE
   ============================================= */
.hero-service {
  background: linear-gradient(135deg, #0d1b2a 0%, #1a3250 60%, #0d2240 100%);
  padding: 60px 0;
  color: var(--white);
}
.hero-service h1 { color: var(--white); }
.hero-price-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,197,24,0.15);
  border: 1px solid rgba(245,197,24,0.4);
  color: var(--yellow);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  margin: 16px 0;
}
.hero-review-inline {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  margin-top: 20px;
}
.hero-review-inline .text {
  font-size: 13.5px;
  color: rgba(255,255,255,0.8);
  font-style: italic;
  line-height: 1.6;
}
.hero-review-inline .author {
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}

/* =============================================
   WARNING CARD
   ============================================= */
.warning-card {
  background: #fff5f5;
  border: 2px solid rgba(220,38,38,0.3);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.warning-card h3 { color: var(--red); font-size: 18px; margin-bottom: 12px; }

/* =============================================
   ENGINEER PROFILE CARD
   ============================================= */
.engineer-profile-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.profile-avatar {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 900; color: var(--white);
  flex-shrink: 0;
}
.profile-name { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.profile-title { font-size: 14px; color: var(--text-grey); margin-bottom: 16px; }
.profile-quote { font-size: 15px; color: #374151; font-style: italic; line-height: 1.7; margin-bottom: 16px; }
.profile-badges { display: flex; flex-wrap: wrap; gap: 8px; }

/* =============================================
   BOILER BRANDS SMALL GRID (Servicing)
   ============================================= */
.brands-small-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.brand-small-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  transition: all 0.2s;
}
.brand-small-card:hover { border-color: var(--yellow); }
.brand-small-card.popular { border-color: var(--yellow); border-width: 2px; }

/* =============================================
   COOKIE BANNER
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  padding: 16px 0;
  z-index: 99998;
  border-top: 2px solid var(--yellow);
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cookie-banner p { font-size: 14px; flex: 1; }
.cookie-banner p a { color: var(--yellow); text-decoration: underline; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }

/* =============================================
   FONT AWESOME ICON ALIGNMENT
   ============================================= */
.btn i, .btn .fas, .btn .fab {
  font-size: 0.9em;
  vertical-align: middle;
}
.badge i, .tag i, .hero-badge i,
.trust-name i, .footer-stat-item i,
.top-bar i, .footer-contact-links i {
  width: 16px;
  text-align: center;
}
.service-icon-box i {
  font-size: 22px;
}
.step-icon i { font-size: 32px; }
.checklist li i.fas { display: none; } /* checklist uses CSS ::before */
.brand-emoji i { font-size: 28px; }
.pricing-icon i { font-size: 32px; }
.faq-q i { margin-right: 4px; }
.profile-badges i { font-size: 12px; }

/* =============================================
   UTILITY
   ============================================= */
.text-blue { color: var(--blue); }
.text-yellow { color: var(--yellow-dark); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-white { color: var(--white); }
.text-grey { color: var(--text-grey); }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

.divider { height: 1px; background: var(--border); margin: 24px 0; }
.divider-white { height: 1px; background: rgba(255,255,255,0.1); margin: 24px 0; }

/* =============================================
   MOBILE NAV MENU
   ============================================= */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 99999;
  padding: 20px;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.mobile-menu-close {
  background: var(--light-grey);
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.mobile-menu a {
  display: block;
  padding: 14px 4px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--blue); }
.mobile-menu .mobile-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .service-secondary-grid { grid-template-columns: repeat(2, 1fr); }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .seo-links-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .brands-small-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-bar-inner { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  section { padding: 48px 0; }
  .top-bar { display: none; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero { padding: 48px 0 36px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero h1 { font-size: 36px; }

  .trust-bar-inner { grid-template-columns: repeat(2,1fr); }
  .service-main-grid { grid-template-columns: 1fr; }
  .service-secondary-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .area-card-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-hero-grid { grid-template-columns: 1fr; }
  .gas-safe-card { grid-template-columns: 1fr; }
  .seo-links-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .areas-secondary-grid { grid-template-columns: 1fr; }
  .checklist-2col { grid-template-columns: 1fr; }
  .brands-small-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-stats-inner { gap: 16px; }
  .engineer-profile-card { flex-direction: column; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .trust-bar-inner { grid-template-columns: 1fr 1fr; }
  .floating-emergency { bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .emergency-banner .ctas { flex-direction: column; align-items: center; }
  .hero-badges { justify-content: flex-start; }
  .service-secondary-grid { grid-template-columns: 1fr; }
  .trust-bar-inner { grid-template-columns: 1fr; }
}