/* ─── RESET & BASE ─── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }

    :root {
      --dark:        #111520;
      --dark-2:      #1a2035;
      --dark-3:      #232d46;
      --blue:        #3b9fd9;
      --blue-light:  #5eb8f0;
      --blue-glow:   rgba(59,159,217,.18);
      --silver:      #9aaec0;
      --silver-light:#c8d6e0;
      --white:       #f5f8fb;
      --offwhite:    #eef1f5;
      --text-body:   #8898a8;
      --border:      rgba(255,255,255,.07);
      --font-head:   'Exo 2', sans-serif;
      --font-body:   'Nunito', sans-serif;
      --nav-h:       76px;
      --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
    }

    body {
      font-family: var(--font-body);
      background: var(--dark);
      color: var(--white);
      overflow-x: hidden;
      line-height: 1.7;
    }

    img { display: block; max-width: 100%; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    /* ─── SKIP LINK ─── */
    .skip-link {
      position: absolute; top: -100%; left: 0;
      background: #1a6fa8; color: #fff;
      padding: 10px 20px;
      font-family: var(--font-head); font-size: .85rem; font-weight: 600;
      letter-spacing: .06em; text-transform: uppercase;
      z-index: 9999; border-radius: 0 0 4px 0;
      transition: top .2s;
    }
    .skip-link:focus { top: 0; }

    /* ─── INLINE STYLE REPLACEMENTS ─── */
    .form-honeypot { display: none; }
    .about-cta-wrap { margin-top: 32px; }
    .gallery-load-more .btn { margin-top: 0; }
    .credentials-verify-btn { margin-top: 24px; }

    /* ─── SCROLLBAR ─── */
    ::-webkit-scrollbar { width: 5px; }
    ::-webkit-scrollbar-track { background: var(--dark); }
    ::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

    /* ─── UTILITY ─── */
    .container { max-width: 1240px; margin: 0 auto; padding: 0 28px; width: 100%; }
    .section-label {
      font-family: var(--font-head);
      font-size: .7rem;
      font-weight: 600;
      letter-spacing: .22em;
      text-transform: uppercase;
      color: var(--blue);
      margin-bottom: 14px;
    }
    .section-title {
      font-family: var(--font-head);
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      line-height: 1.15;
      color: var(--white);
    }
    .section-title span { color: var(--blue); }
    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 14px 32px;
      font-family: var(--font-head); font-size: .9rem; font-weight: 600;
      letter-spacing: .06em; text-transform: uppercase;
      border-radius: 4px; border: none; cursor: pointer;
      transition: var(--transition);
    }
    .btn-primary {
      background: #1a6fa8;
      color: #fff;
      box-shadow: 0 4px 24px rgba(26,111,168,.4);
    }
    .btn-primary:hover { background: #1568a0; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(26,111,168,.55); }
    .btn-outline {
      background: transparent;
      color: var(--silver-light);
      border: 1px solid rgba(255,255,255,.2);
    }
    .btn-outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

    /* ─── FADE-IN ANIMATION ─── */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* ════════════════════════════════
       NAVIGATION
    ════════════════════════════════ */
    #navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      height: var(--nav-h);
      display: flex; align-items: center;
      transition: background .4s ease, box-shadow .4s ease;
    }
    #navbar.scrolled {
      background: rgba(17,21,32,.97);
      backdrop-filter: blur(18px);
      box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,.4);
    }
    .nav-inner {
      width: 100%;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      column-gap: 40px;
    }
    .nav-logo {
      display: flex; align-items: center; gap: 13px;
      justify-content: flex-start;
    }
    .nav-logo-drop {
      width: 36px; height: 44px; flex-shrink: 0;
    }
    .nav-logo-text {
      font-family: var(--font-head);
      line-height: 1.15;
    }
    .nav-logo-text .line1 {
      font-size: 1.25rem; font-weight: 900; letter-spacing: .06em;
      color: var(--white); white-space: nowrap; line-height: 1.1;
    }
    .nav-logo-text .line1 span { color: var(--blue); }
    .nav-logo-text .line1 .sub { font-weight: 400; font-size: 1rem; color: var(--silver-light); }
    .nav-logo-text .line2 {
      font-size: .52rem; font-weight: 300; letter-spacing: .22em;
      text-transform: uppercase; color: var(--silver); white-space: nowrap;
      margin-top: 2px;
    }
    .nav-links {
      display: flex; align-items: center; gap: 36px;
      justify-content: center;
    }
    .nav-links a {
      font-family: var(--font-head); font-size: .73rem; font-weight: 600;
      letter-spacing: .12em; text-transform: uppercase; color: var(--silver);
      transition: color .25s;
      position: relative; white-space: nowrap;
    }
    .nav-links a::after {
      content: ''; position: absolute; bottom: -5px; left: 0; right: 0;
      height: 2px; background: var(--blue);
      transform: scaleX(0); transform-origin: left;
      transition: transform .3s ease;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--white); }
    .nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
    .nav-right {
      display: flex; align-items: center; justify-content: flex-end; gap: 16px;
    }
    .nav-cta { padding: 11px 22px; font-size: .73rem; white-space: nowrap; }
    .nav-gas-safe { display: flex; align-items: center; opacity: .9; transition: opacity .2s; }
    .nav-gas-safe:hover { opacity: 1; }
    .gas-safe-logo-nav { height: 38px; width: auto; display: block; }
    .nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
    .nav-burger span { display: block; width: 24px; height: 2px; background: var(--silver-light); border-radius: 2px; transition: var(--transition); }

    /* Sit above the fixed bubble layer (z-index: 1) */
    #hero, #trust-bar, #services, #about, #gallery, #credentials, #contact, #footer, #lightbox {
      position: relative; z-index: 2;
    }

    /* ════════════════════════════════
       HERO
    ════════════════════════════════ */
    #hero {
      min-height: 100vh;
      display: flex; align-items: center;
      position: relative; overflow: hidden;
      background: radial-gradient(ellipse 80% 80% at 70% 50%, #1a2d4a 0%, var(--dark) 60%);
      padding-top: var(--nav-h);
    }
    .hero-bg-grid {
      position: absolute; inset: 0; pointer-events: none;
      background-image:
        linear-gradient(rgba(59,159,217,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,159,217,.04) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .page-bubbles { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 1; }
    .particle {
      position: absolute; border-radius: 50%;
      background: rgba(94,184,240,.12);
      border: 1.5px solid rgba(94,184,240,.55);
      animation: float linear infinite;
    }
    @keyframes float {
      0%   { transform: translateY(100vh) scale(0); opacity: 0; }
      10%  { opacity: 1; }
      85%  { opacity: .7; }
      100% { transform: translateY(-10vh) scale(1.1); opacity: 0; }
    }
    .hero-content {
      position: relative; z-index: 2;
      display: grid; grid-template-columns: 1fr 480px;
      align-items: center; gap: 60px;
      width: 100%; padding: 80px 0 60px;
    }
    .hero-text .hero-eyebrow {
      font-family: var(--font-head); font-size: .72rem; font-weight: 600;
      letter-spacing: .28em; text-transform: uppercase;
      color: var(--blue); margin-bottom: 20px;
      display: flex; align-items: center; gap: 12px;
    }
    .hero-text .hero-eyebrow::before {
      content: ''; display: block; width: 36px; height: 2px; background: var(--blue);
    }
    .hero-h1 {
      font-family: var(--font-head);
      font-size: clamp(2.8rem, 5.5vw, 4.4rem);
      font-weight: 900; line-height: 1.05;
      letter-spacing: -.01em;
      color: var(--white);
      margin-bottom: 10px;
    }
    .hero-h1 .h2o { color: var(--blue); }
    .hero-tagline {
      font-family: var(--font-head); font-size: 1rem; font-weight: 300;
      letter-spacing: .28em; text-transform: uppercase;
      color: var(--silver); margin-bottom: 28px;
    }
    .hero-tagline .sep { color: var(--blue); margin: 0 8px; }
    .hero-desc {
      font-size: 1.05rem; color: var(--text-body); line-height: 1.75;
      max-width: 520px; margin-bottom: 40px;
    }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
    .hero-badges {
      display: flex; gap: 28px; flex-wrap: wrap;
    }
    .hero-badge {
      display: flex; align-items: center; gap: 10px;
      font-family: var(--font-head); font-size: .72rem; font-weight: 600;
      letter-spacing: .08em; text-transform: uppercase; color: var(--silver);
    }
    .hero-badge svg { color: var(--blue); flex-shrink: 0; }

    /* Water Drop Graphic */
    .hero-graphic {
      position: relative; display: flex; justify-content: center; align-items: center;
    }
    .drop-ring {
      position: absolute; border-radius: 50%;
      border: 1px solid rgba(59,159,217,.15);
      animation: pulse-ring 3s ease-in-out infinite;
    }
    .drop-ring:nth-child(1) { width: 300px; height: 300px; animation-delay: 0s; }
    .drop-ring:nth-child(2) { width: 420px; height: 420px; animation-delay: .7s; }
    .drop-ring:nth-child(3) { width: 540px; height: 540px; animation-delay: 1.4s; }
    @keyframes pulse-ring {
      0%, 100% { transform: scale(1); opacity: .5; }
      50% { transform: scale(1.04); opacity: .2; }
    }
    .hero-drop-svg {
      position: relative; z-index: 2;
      filter: drop-shadow(0 0 60px rgba(59,159,217,.5));
      animation: drop-bob 4s ease-in-out infinite;
    }
    @keyframes drop-bob {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-14px); }
    }

    /* ─── TRUST BAR ─── */
    #trust-bar {
      background: var(--dark-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 22px 0;
    }
    .trust-inner {
      display: flex; align-items: center; justify-content: space-around;
      flex-wrap: wrap; gap: 20px;
    }
    .trust-item {
      display: flex; align-items: center; gap: 12px;
      font-family: var(--font-head); font-size: .78rem; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase; color: var(--silver);
    }
    .trust-item svg { color: var(--blue); }
    .trust-divider { width: 1px; height: 28px; background: var(--border); }

    /* ════════════════════════════════
       SERVICES
    ════════════════════════════════ */
    #services {
      padding: 100px 0;
      background: var(--offwhite);
      color: var(--dark);
    }
    #services .section-label { color: #1a5f8a; }
    #services .section-title { color: var(--dark); }
    #services .section-title span { color: #1a5f8a; }
    .services-intro {
      display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
      align-items: end; margin-bottom: 60px;
    }
    .services-desc {
      color: #5a6a7a; font-size: 1.02rem; line-height: 1.8;
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2px;
    }
    .service-card {
      background: #fff;
      padding: 36px 28px;
      position: relative; overflow: hidden;
      transition: var(--transition);
      cursor: default;
    }
    .service-card::before {
      content: '';
      position: absolute; bottom: 0; left: 0; right: 0;
      height: 3px;
      background: var(--blue);
      transform: scaleX(0); transform-origin: left;
      transition: transform .4s ease;
    }
    .service-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,.12); }
    .service-card:hover::before { transform: scaleX(1); }
    .service-icon {
      width: 52px; height: 52px;
      background: rgba(59,159,217,.1);
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 22px;
      transition: background .3s;
    }
    .service-card:hover .service-icon { background: rgba(59,159,217,.18); }
    .service-icon svg { color: var(--blue); }
    .service-card h3 {
      font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
      color: var(--dark); margin-bottom: 10px; letter-spacing: .01em;
    }
    .service-card p {
      font-size: .88rem; color: #5e6e7e; line-height: 1.65;
    }

    /* ════════════════════════════════
       ABOUT / WHY US
    ════════════════════════════════ */
    #about {
      padding: 100px 0;
      background: var(--dark);
    }
    .about-inner {
      display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
      align-items: center;
    }
    .about-image-stack {
      position: relative; height: 520px;
    }
    .about-img-main {
      position: absolute; top: 0; left: 0;
      width: 75%; height: 85%;
      object-fit: cover;
      border-radius: 6px;
      box-shadow: 0 24px 60px rgba(0,0,0,.5);
    }
    .about-img-secondary {
      position: absolute; bottom: 0; right: 0;
      width: 55%; height: 60%;
      object-fit: cover;
      border-radius: 6px;
      box-shadow: 0 24px 60px rgba(0,0,0,.5);
      border: 4px solid var(--dark);
    }
    .about-badge-gassafe {
      position: absolute; top: 50%; right: 0; transform: translateY(-50%) translateX(20px);
      background: #1a6fa8; color: #fff;
      width: 88px; height: 88px; border-radius: 50%;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      font-family: var(--font-head); font-size: .58rem; font-weight: 700;
      letter-spacing: .08em; text-transform: uppercase; text-align: center;
      box-shadow: 0 8px 32px rgba(26,111,168,.45);
      z-index: 3;
    }
    .about-badge-gassafe .reg-num { font-size: .95rem; font-weight: 900; display: block; }
    .about-text .section-label { margin-bottom: 12px; }
    .about-text .section-title { margin-bottom: 22px; }
    .about-text p {
      color: var(--text-body); font-size: 1rem; line-height: 1.8; margin-bottom: 20px;
    }
    .about-points { margin: 30px 0; display: flex; flex-direction: column; gap: 14px; }
    .about-point {
      display: flex; align-items: flex-start; gap: 14px;
      font-size: .94rem; color: var(--silver-light);
    }
    .about-point svg { color: var(--blue); flex-shrink: 0; margin-top: 3px; }

    /* ════════════════════════════════
       GALLERY
    ════════════════════════════════ */
    #gallery {
      padding: 100px 0;
      background: var(--dark-2);
    }
    .gallery-header {
      display: flex; align-items: flex-end; justify-content: space-between;
      flex-wrap: wrap; gap: 28px; margin-bottom: 44px;
    }
    .gallery-filters {
      display: flex; gap: 8px; flex-wrap: wrap;
    }
    .filter-btn {
      padding: 9px 20px;
      font-family: var(--font-head); font-size: .73rem; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase;
      border: 1px solid var(--border); border-radius: 3px;
      background: transparent; color: var(--silver);
      cursor: pointer; transition: var(--transition);
    }
    .filter-btn:hover, .filter-btn.active {
      background: #1a6fa8; border-color: #1a6fa8; color: #fff;
    }
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 6px;
    }
    .gallery-item {
      position: relative; overflow: hidden;
      background: var(--dark-3);
      cursor: pointer;
      aspect-ratio: 1;
      transition: var(--transition);
    }
    .gallery-item:nth-child(5n+1) { grid-column: span 2; aspect-ratio: auto; height: 360px; }
    .gallery-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform .6s ease;
    }
    .gallery-item:hover img { transform: scale(1.06); }
    .gallery-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(17,21,32,.75) 0%, transparent 50%);
      opacity: 0; transition: opacity .35s ease;
      display: flex; align-items: flex-end; padding: 18px;
    }
    .gallery-item:hover .gallery-overlay,
    .gallery-item:focus-within .gallery-overlay { opacity: 1; }
    .gallery-overlay span {
      font-family: var(--font-head); font-size: .75rem; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase; color: #fff;
    }
    .gallery-load-more {
      text-align: center; margin-top: 44px;
    }
    .noscript-gallery-msg {
      text-align: center;
      color: var(--silver);
      font-size: .97rem;
      line-height: 1.8;
      padding: 32px 0;
    }
    .noscript-gallery-msg a { color: var(--blue); text-decoration: underline; }

    /* LIGHTBOX */
    #lightbox {
      display: none; position: fixed; inset: 0; z-index: 2000;
      background: rgba(0,0,0,.95);
      align-items: center; justify-content: center;
    }
    #lightbox.open { display: flex; }
    #lightbox img {
      max-width: 90vw; max-height: 90vh;
      object-fit: contain;
      border-radius: 4px;
      box-shadow: 0 32px 80px rgba(0,0,0,.8);
    }
    .lb-close {
      position: absolute; top: 24px; right: 30px;
      font-size: 2.4rem; color: #fff; cursor: pointer; opacity: .7;
      transition: opacity .2s; line-height: 1;
    }
    .lb-close:hover { opacity: 1; }
    .lb-prev, .lb-next {
      position: absolute; top: 50%; transform: translateY(-50%);
      background: rgba(59,159,217,.2); color: #fff;
      width: 52px; height: 52px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; transition: background .25s;
      border: 1px solid rgba(59,159,217,.3);
    }
    .lb-prev { left: 24px; }
    .lb-next { right: 24px; }
    .lb-prev:hover, .lb-next:hover { background: rgba(59,159,217,.5); }
    .lb-caption {
      position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
      font-family: var(--font-head); font-size: .78rem; letter-spacing: .12em;
      text-transform: uppercase; color: var(--silver); white-space: nowrap;
    }

    /* ════════════════════════════════
       GAS SAFE SECTION
    ════════════════════════════════ */
    #credentials {
      padding: 80px 0;
      background: linear-gradient(135deg, #0d1826 0%, var(--dark) 100%);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .credentials-inner {
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 40px;
    }
    .credentials-text h2 {
      font-family: var(--font-head); font-size: clamp(1.6rem, 3vw, 2.4rem);
      font-weight: 700; color: var(--white); margin-bottom: 12px;
    }
    .credentials-text p {
      color: var(--text-body); font-size: 1rem; max-width: 480px; line-height: 1.7;
    }
    .credentials-badges {
      display: flex; gap: 28px; flex-wrap: wrap;
    }
    .cred-badge {
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      width: 130px; height: 130px; border-radius: 8px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.03);
      text-align: center; padding: 16px;
      transition: var(--transition);
      text-decoration: none;
    }
    .cred-badge:hover { border-color: var(--blue); background: var(--blue-glow); transform: translateY(-3px); }
    .cred-badge svg { color: var(--blue); margin-bottom: 10px; }
    .cred-badge span {
      font-family: var(--font-head); font-size: .66rem; font-weight: 700;
      letter-spacing: .1em; text-transform: uppercase; color: var(--silver-light);
      line-height: 1.3;
    }
    .gas-safe-logo-text {
      font-family: var(--font-head); font-size: 1.1rem; font-weight: 900;
      letter-spacing: .04em; color: #e8b800; display: block; margin-bottom: 6px;
    }

    /* ════════════════════════════════
       CONTACT
    ════════════════════════════════ */
    #contact {
      padding: 100px 0;
      background: var(--dark);
    }
    .contact-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
      align-items: start;
    }
    .contact-info .section-title { margin-bottom: 20px; }
    .contact-info p {
      color: var(--text-body); font-size: 1rem; line-height: 1.8; margin-bottom: 36px;
    }
    .contact-details { display: flex; flex-direction: column; gap: 20px; }
    .contact-detail {
      display: flex; align-items: flex-start; gap: 16px;
    }
    .contact-detail-icon {
      width: 44px; height: 44px; flex-shrink: 0;
      background: rgba(59,159,217,.1); border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
    }
    .contact-detail-icon svg { color: var(--blue); }
    .contact-detail-text {
      display: flex; flex-direction: column;
    }
    .contact-detail-text .label {
      font-family: var(--font-head); font-size: .68rem; font-weight: 600;
      letter-spacing: .14em; text-transform: uppercase; color: var(--blue);
      margin-bottom: 4px;
    }
    .contact-detail-text a, .contact-detail-text span {
      color: var(--silver-light); font-size: .98rem;
      transition: color .25s;
    }
    .contact-detail-text a:hover { color: var(--blue); }
    .social-links {
      display: flex; gap: 14px; margin-top: 36px;
    }
    .social-link {
      width: 44px; height: 44px;
      border: 1px solid var(--border); border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      color: var(--silver); transition: var(--transition);
    }
    .social-link:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-glow); }

    /* FORM */
    .contact-form-wrap {
      background: var(--dark-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 40px 36px;
    }
    .contact-form-wrap h3 {
      font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
      color: var(--white); margin-bottom: 28px;
      letter-spacing: .03em;
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
    .form-group label {
      font-family: var(--font-head); font-size: .7rem; font-weight: 600;
      letter-spacing: .12em; text-transform: uppercase; color: var(--silver);
    }
    .form-group input, .form-group textarea, .form-group select {
      background: rgba(255,255,255,.04);
      border: 1px solid var(--border);
      border-radius: 5px;
      padding: 12px 16px;
      color: var(--white);
      font-family: var(--font-body); font-size: .94rem;
      transition: border-color .25s, background .25s;
      outline: none;
      width: 100%;
    }
    .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
      border-color: var(--blue); background: rgba(59,159,217,.05);
    }
    .form-group textarea { resize: vertical; min-height: 110px; }
    .form-group select option { background: var(--dark-2); }
    .form-submit { width: 100%; justify-content: center; margin-top: 8px; }
    #form-success, #form-error {
      display: none; border-radius: 5px; padding: 14px 18px;
      font-family: var(--font-head); font-size: .85rem;
      letter-spacing: .06em; text-align: center; margin-top: 12px;
    }
    #form-success {
      background: rgba(59,159,217,.12); border: 1px solid var(--blue); color: var(--blue);
    }
    #form-error {
      background: rgba(220,50,50,.1); border: 1px solid #dc3232; color: #f87171;
    }

    /* ════════════════════════════════
       FOOTER
    ════════════════════════════════ */
    #footer {
      background: #0b0e16;
      border-top: 1px solid var(--border);
      padding: 60px 0 28px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 50px; margin-bottom: 50px;
    }
    .footer-brand .nav-logo { margin-bottom: 18px; }
    .footer-brand p {
      color: var(--text-body); font-size: .88rem; line-height: 1.75; max-width: 280px;
    }
    .footer-brand .social-links { margin-top: 22px; }
    .footer-col h4 {
      font-family: var(--font-head); font-size: .7rem; font-weight: 700;
      letter-spacing: .18em; text-transform: uppercase;
      color: var(--blue); margin-bottom: 18px;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul li a {
      color: var(--text-body); font-size: .88rem;
      transition: color .25s;
    }
    .footer-col ul li a:hover { color: var(--silver-light); }
    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 24px;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 12px;
    }
    .footer-bottom p {
      color: var(--text-body); font-size: .8rem;
    }
    .footer-bottom .gs-tag {
      font-family: var(--font-head); font-size: .7rem; font-weight: 600;
      letter-spacing: .1em; color: var(--silver);
      display: flex; align-items: center; gap: 10px;
      text-decoration: none;
    }
    .footer-bottom .gs-tag-link { transition: opacity .2s; }
    .footer-bottom .gs-tag-link:hover { opacity: .85; }
    .gas-safe-logo-footer { height: 44px; width: auto; display: block; }

    /* ════════════════════════════════
       RESPONSIVE
    ════════════════════════════════ */
    @media (max-width: 1100px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    }
    @media (max-width: 880px) {
      .hero-content { grid-template-columns: 1fr; text-align: center; padding: 36px 0 40px; }
      .hero-graphic { display: none; }
      .hero-text .hero-eyebrow { justify-content: center; }
      .hero-badges { justify-content: center; }
      .hero-actions { justify-content: center; }
      .about-inner { grid-template-columns: 1fr; }
      .about-image-stack { height: 320px; }
      .contact-grid { grid-template-columns: 1fr; gap: 50px; }
      .services-intro { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-item:nth-child(5n+1) { grid-column: span 1; height: auto; aspect-ratio: 1; }
      #navbar .nav-inner { grid-template-columns: 1fr auto; gap: 12px; }
      .nav-logo { min-width: 0; }
      .nav-logo-text { min-width: 0; }
      .nav-logo-text .line1 { white-space: normal; font-size: 1.15rem; }
      .nav-logo-text .line2 { display: none; }
      .nav-links { display: none; }
      .nav-links.open { display: flex; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: rgba(17,21,32,.98); padding: 24px 28px; gap: 20px; border-bottom: 1px solid var(--border); z-index: 999; }
      .nav-right { justify-content: flex-end; }
      .nav-burger { display: flex; }
    }
    @media (max-width: 600px) {
      .services-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .trust-divider { display: none; }
      .credentials-inner { flex-direction: column; }
    }

    /* Gas safe logo inline in nav-right on mobile */
    @media (max-width: 880px) {
      :root {
        --nav-h: 68px;
      }
      #navbar {
        align-items: center;
        padding-top: 0;
      }
      .nav-gas-safe {
        display: flex;
        position: static;
        transform: none;
      }
      .gas-safe-logo-nav {
        height: 28px;
      }
    }

    /* ════════════════════════════════
       GALLERY LOADING STATE
    ════════════════════════════════ */
    .gallery-loading {
      grid-column: 1 / -1;
      display: flex;
      justify-content: center;
      padding: 70px 0;
    }
    .gallery-spinner {
      width: 36px;
      height: 36px;
      border: 3px solid rgba(255,255,255,.08);
      border-top-color: var(--blue);
      border-radius: 50%;
      animation: gallery-spin .75s linear infinite;
    }
    @keyframes gallery-spin { to { transform: rotate(360deg); } }

    /* ════════════════════════════════
       FOCUS & INTERACTION STATES
    ════════════════════════════════ */

    /* Universal focus-visible ring — keeps keyboard nav visible everywhere.
       box-shadow adds a subtle dark halo so the blue ring stays visible
       on the light-background Services section as well as dark areas. */
    :focus-visible {
      outline: 3px solid var(--blue);
      outline-offset: 3px;
      border-radius: 3px;
      box-shadow: 0 0 0 6px rgba(17,21,32,0.35);
    }
    /* Tighter offset for inset elements */
    .gallery-item:focus-visible { outline-offset: -3px; border-radius: 0; }
    /* Form inputs already show a blue border on focus; add outline for keyboard users */
    .form-group input:focus-visible,
    .form-group textarea:focus-visible,
    .form-group select:focus-visible { outline-offset: -1px; }
    /* Larger offset on buttons so the ring doesn't clip the shadow */
    .btn:focus-visible { outline-offset: 4px; }

    /* Active / press state — brings the hover-lift back down for tactile feedback */
    .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(59,159,217,.3); }
    .btn-outline:active  { transform: translateY(0); }

    /* Disabled submit button during form submission */
    .form-submit:disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }

    /* ════════════════════════════════
       REDUCED MOTION
    ════════════════════════════════ */
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .skip-link { transition: none; }

      /* Instantly show reveal content — don't hide it from users who need static UI */
      .reveal { opacity: 1; transform: none; transition: none; }

      /* Kill the continuous / large-motion animations */
      .page-bubbles { display: none; }
      .hero-drop-svg { animation: none; }
      .drop-ring     { animation: none; opacity: .25; }

      /* Keep hover transitions but make them instant */
      .gallery-item img  { transition: none; }
      .gallery-overlay   { transition: none; opacity: 1; }
      .service-card::before { transition: none; }
    }

    /* ════════════════════════════════
       WHATSAPP BUTTON
    ════════════════════════════════ */
    .whatsapp-btn {
      position: fixed;
      bottom: 28px; right: 28px;
      z-index: 900;
      width: 56px; height: 56px;
      border-radius: 50%;
      background: #25d366;
      color: #fff;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 20px rgba(37,211,102,.45);
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .whatsapp-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(37,211,102,.55); }
    .whatsapp-btn:focus-visible { outline: 2px solid #25d366; outline-offset: 4px; }
    body.has-cookie .whatsapp-btn { bottom: 80px; }

    /* ════════════════════════════════
       COOKIE NOTICE
    ════════════════════════════════ */
    #cookie-notice {
      position: fixed;
      bottom: 0; left: 0; right: 0;
      z-index: 850;
      background: var(--dark-2);
      border-top: 1px solid var(--border);
      padding: 14px 28px;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-head); font-size: .78rem;
      color: var(--silver); text-align: center;
    }
    #cookie-notice p { margin: 0; }
    #cookie-accept {
      color: var(--blue); font-weight: 700;
      letter-spacing: .04em; cursor: pointer;
      margin-left: 10px; transition: color .2s;
    }
    #cookie-accept:hover { color: var(--blue-light); }