*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Source Sans 3",sans-serif;color:#1e2a35;background:#fff;line-height:1.65;font-size:16px}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
img{max-width:100%;display:block}

/* ── TOKENS ── */
:root{
  --green:#5A9E50;
  --green-dk:#3d7a35;
  --burg:#A04E6A;
  --gold:#F0C050;
  --gold-dk:#D4A83A;
  --navy:#1e2a35;
  --grey:#5C6975;
  --silver:#F8F7F5;
  --border:#E4E0DB;
  --white:#fff;
  --shadow:0 4px 20px rgba(45,90,39,.1);
  --r:6px;
  --nav-h:68px;
}

/* ── PAGE SWITCHING - THE KEY PART ── */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── NAV ── */
.nav{position:sticky;top:0;z-index:900;background:var(--green-dk);height:var(--nav-h);display:flex;align-items:center;box-shadow:0 2px 12px rgba(0,0,0,.2)}
.nav__inner{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;cursor:pointer}
.logo__icon{width:40px;height:40px;background:var(--gold);border-radius:4px;display:flex;align-items:center;justify-content:center}
.logo__icon svg{width:22px;height:22px}
.logo__text{font-family:"Barlow",sans-serif;font-weight:800;font-size:1.1rem;color:#fff;line-height:1.2}
.logo__text span{display:block;font-size:.65rem;font-weight:500;color:var(--gold);opacity:.9}
.nav__links{display:flex;align-items:center;gap:2px}
.nav__links a{color:rgba(255,255,255,.8);font-size:.93rem;font-weight:500;padding:8px 13px;border-radius:4px;transition:.2s;text-decoration:none}
.nav__links a:hover,.nav__links a.active{color:#fff;background:rgba(255,255,255,.12)}
.nav__links a.active{color:var(--gold)}
.nav__cta{background:var(--gold)!important;color:var(--navy)!important;font-weight:700!important;padding:9px 20px!important;border-radius:4px!important}
.nav__cta:hover{background:var(--gold-dk)!important}
.burger{display:none;flex-direction:column;gap:5px;padding:4px;border-radius:4px}
.burger span{display:block;width:24px;height:2px;background:#fff}
.mobile-nav{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--green-dk);border-top:1px solid rgba(255,255,255,.1);padding:16px;z-index:899}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;width:100%;color:rgba(255,255,255,.85);font-size:1rem;font-weight:500;padding:12px 16px;text-align:left;border-radius:4px;transition:.2s;text-decoration:none;box-sizing:border-box}
.mobile-nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.mobile-nav .nav__cta{background:var(--gold)!important;color:var(--navy)!important;font-weight:700!important;text-align:center!important;margin-top:8px}

/* ── UTILITIES ── */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--alt{background:var(--silver)}
.section--green{background:var(--green-dk);color:#fff}
.eyebrow{font-family:"Barlow",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:10px;display:block}
h1,h2,h3,h4{font-family:"Barlow",sans-serif;line-height:1.2}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
h4{font-size:1rem;font-weight:700}
.section-title{margin-bottom:12px}
.section-sub{font-size:1.05rem;color:var(--grey);max-width:600px;margin-bottom:40px;line-height:1.7}
.section--green .section-sub{color:rgba(255,255,255,.7)}
.divider{width:48px;height:4px;background:var(--gold);border-radius:2px;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:"Barlow",sans-serif;font-weight:700;font-size:.95rem;padding:12px 26px;border-radius:var(--r);cursor:pointer;transition:.2s;border:none}
.btn--gold{background:var(--gold);color:var(--navy)}
.btn--gold:hover{background:var(--gold-dk);transform:translateY(-1px)}
.btn--green{background:var(--green);color:#fff}
.btn--green:hover{background:var(--green-dk);transform:translateY(-1px)}
.btn--outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--green-dk) 0%,var(--green) 60%,var(--burg) 100%);padding:80px 0;color:#fff;position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center}
.hero__photo{position:absolute;inset:0;background-image:linear-gradient(100deg,rgba(43,84,37,.94) 0%,rgba(43,84,37,.82) 38%,rgba(61,122,53,.45) 62%,rgba(30,42,53,.22) 100%),url(../images/hero-tank-yorkshire-dales.jpg);background-size:cover;background-position:center;opacity:1;z-index:0}
.hero__content{position:relative;z-index:1;max-width:620px}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:rgba(240,192,80,.15);border:1px solid rgba(240,192,80,.4);color:var(--gold);font-family:"Barlow",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:40px;margin-bottom:20px}
.hero h1{color:#fff;margin-bottom:16px}
.hero h1 em{color:var(--gold);font-style:normal}
.hero__sub{color:rgba(255,255,255,.8);font-size:1.1rem;line-height:1.7;margin-bottom:32px;max-width:500px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__phone{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.7);font-family:"Barlow",sans-serif;font-weight:600;font-size:.9rem;margin-top:24px}
.hero__phone a{color:var(--gold)}

/* ── TRUST BAR ── */
.trust-bar{background:var(--silver);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:14px 0}
.trust-bar__inner{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:9px;color:var(--navy);font-family:"Barlow",sans-serif;font-weight:600;font-size:.88rem;white-space:nowrap}
.trust-item svg{width:16px;height:16px;color:var(--green)}

/* ── STATS ── */
.stats{background:#fff;border-bottom:1px solid var(--border);padding:32px 0}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:12px 20px;border-right:1px solid var(--border)}
.stat:last-child{border-right:none}
.stat__num{font-family:"Barlow",sans-serif;font-size:2.1rem;font-weight:800;color:var(--navy);line-height:1;margin-bottom:4px}
.stat__num span{color:var(--green)}
.stat__label{color:var(--grey);font-size:.88rem}

/* ── CARDS ── */
.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:28px 24px;box-shadow:var(--shadow)}
.card__icon{width:48px;height:48px;background:var(--silver);border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--green)}
.card__icon svg{width:24px;height:24px}
.card h3{margin-bottom:8px;color:var(--navy)}
.card p{color:var(--grey);font-size:.95rem}

/* ── WHY US ── */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.why-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.why-item{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--border);border-left:3px solid var(--green);border-radius:var(--r)}
.why-item svg{width:18px;height:18px;color:var(--green);flex-shrink:0;margin-top:3px}
.why-item h4{margin-bottom:2px;color:var(--navy)}
.why-item p{font-size:.9rem;color:var(--grey)}
.why-visual{background:var(--green-dk);border-radius:12px;padding:36px;color:#fff}
.checklist{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.checklist li{display:flex;align-items:center;gap:10px;font-size:.95rem;color:rgba(255,255,255,.85)}
.checklist li::before{content:"";width:18px;height:18px;flex-shrink:0;background:var(--gold);border-radius:50%;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231e2a35'%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-position:center;background-repeat:no-repeat}

/* ── REVIEWS ── */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:#fff;border:1px solid var(--border);border-radius:10px;padding:24px;box-shadow:var(--shadow)}
.stars{color:var(--gold);font-size:.95rem;margin-bottom:10px;letter-spacing:2px}
.review p{color:var(--grey);font-size:.93rem;font-style:italic;line-height:1.7;margin-bottom:16px}
.review__author{font-weight:600;color:var(--navy);font-size:.88rem}
.review__author span{font-weight:400;color:var(--grey)}
.review--wide{grid-column:1/-1;padding:24px 28px}

/* ── CTA STRIP ── */
.cta-strip{background:var(--gold);padding:52px 0;text-align:center}
.cta-strip h2{color:var(--navy);margin-bottom:10px}
.cta-strip p{color:rgba(30,42,53,.7);margin-bottom:24px;font-size:1.05rem}

/* ── PAGE HEROES ── */
.page-hero{background:linear-gradient(135deg,var(--green-dk) 0%,var(--green) 100%);padding:64px 0 52px;color:#fff}
.page-hero h1{margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.75);font-size:1.05rem;max-width:560px}

/* ── SERVICE CARDS ── */
.service-card{background:#fff;border-radius:10px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}
.service-card__head{background:var(--green-dk);padding:20px 24px;display:flex;align-items:center;gap:14px;color:#fff}
.service-card__head svg{width:26px;height:26px;color:var(--gold);flex-shrink:0}
.service-card__head h3{font-size:1.1rem}
.service-card__body{padding:24px}
.service-card__body p{color:var(--grey);margin-bottom:14px;font-size:.95rem}
.includes{background:var(--silver);border-radius:6px;padding:14px 18px}
.includes p{color:var(--navy);font-weight:600;font-size:.85rem;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}
.includes li{font-size:.88rem;color:var(--grey);display:flex;align-items:flex-start;gap:8px;margin-bottom:5px}
.includes li::before{content:"→";color:var(--green);font-weight:700;flex-shrink:0}
.services-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}

/* ── ABOUT ── */
.about-story{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-story p{color:var(--grey);margin-bottom:14px;line-height:1.75}
.about-visual{background:var(--green-dk);border-radius:12px;overflow:hidden;color:#fff}
.about-visual img{width:100%;height:200px;object-fit:cover}
.about-visual__body{padding:28px}
.stats-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.stat-mini{text-align:center;padding:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:8px}
.stat-mini__num{font-family:"Barlow",sans-serif;font-size:2rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:4px}
.stat-mini__label{font-size:.83rem;color:rgba(255,255,255,.6)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-card{text-align:center;padding:28px 20px;border-radius:10px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}
.value-icon{width:54px;height:54px;background:var(--green-dk);border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;color:var(--gold)}
.value-icon svg{width:24px}
.value-card h3{color:var(--navy);margin-bottom:6px;font-size:1.05rem}
.value-card p{color:var(--grey);font-size:.88rem}
.certs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:20px 16px;text-align:center}
.cert svg{width:32px;height:32px;color:var(--gold);margin:0 auto 10px}
.cert h4{font-size:.93rem;margin-bottom:4px}
.cert p{font-size:.8rem;color:rgba(255,255,255,.55)}
.ground-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}


/* ── AREAS ── */
.areas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.area{background:#fff;border-radius:10px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.area__head{background:var(--green-dk);padding:14px 20px;display:flex;align-items:center;gap:10px;color:#fff}
.area__head svg{width:16px;color:var(--gold)}
.area__head h3{font-size:.95rem}
.area__towns{padding:16px 20px;display:flex;flex-wrap:wrap;gap:7px}
.town{background:var(--silver);color:var(--navy);font-size:.82rem;font-weight:600;padding:4px 10px;border-radius:16px;border:1px solid var(--border)}
.coverage-note{background:var(--green);color:#fff;border-radius:10px;padding:24px 28px;display:flex;align-items:flex-start;gap:14px;margin-top:28px}
.coverage-note svg{width:22px;flex-shrink:0;margin-top:2px;color:var(--gold)}
.coverage-note h4{margin-bottom:4px}
.coverage-note p{font-size:.92rem;color:rgba(255,255,255,.8)}

/* ── CONTACT ── */
.contact-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:44px;align-items:start}
.contact-item{display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.contact-item:last-child{border:none}
.contact-item__icon{width:40px;height:40px;background:var(--green-dk);border-radius:7px;display:flex;align-items:center;justify-content:center;color:var(--gold);flex-shrink:0}
.contact-item__icon svg{width:18px}
.contact-item h4{color:var(--navy);margin-bottom:3px;font-size:.95rem}
.contact-item p,.contact-item a{color:var(--grey);font-size:.93rem}
.contact-item a:hover{color:var(--green)}
.hours-row{display:flex;justify-content:space-between;font-size:.88rem;color:var(--grey);padding:5px 0;border-bottom:1px solid var(--border)}
.hours-row:last-child{border:none}
.hours-row strong{color:var(--navy)}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:12px;padding:36px;box-shadow:var(--shadow)}
.contact-form h3{color:var(--navy);margin-bottom:20px;font-size:1.2rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:.85rem;font-weight:600;color:var(--navy)}
.form-group input,.form-group select,.form-group textarea{padding:10px 13px;border:1.5px solid var(--border);border-radius:5px;font-family:"Source Sans 3",sans-serif;font-size:.95rem;color:var(--navy);background:var(--silver);outline:none;transition:.2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green);background:#fff}
.form-group textarea{resize:vertical;min-height:110px}
.form-success{display:none;background:#e7f6ee;border:1px solid #6dce9a;border-radius:6px;padding:14px 18px;color:#1a6e3c;font-weight:600;margin-top:14px}

/* ── GALLERY ── */
.gallery-grid{columns:3;column-gap:14px}
.gallery-item{break-inside:avoid;margin-bottom:14px;border-radius:9px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer;position:relative}
.gallery-item img{width:100%;display:block;transition:transform .3s}
.gallery-item:hover img{transform:scale(1.03)}
.gallery-item__label{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(45,90,39,.7));color:#fff;font-family:"Barlow",sans-serif;font-weight:700;font-size:.85rem;padding:20px 12px 10px;opacity:0;transition:opacity .3s}
.gallery-item:hover .gallery-item__label{opacity:1}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9999;align-items:center;justify-content:center;padding:20px}
.lightbox.open{display:flex}
.lightbox__img{max-width:90vw;max-height:88vh;object-fit:contain;border-radius:6px}
.lightbox__close{position:absolute;top:16px;right:20px;color:#fff;font-size:2rem;cursor:pointer;background:none;border:none;opacity:.8;line-height:1}
.lightbox__close:hover{opacity:1}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2.2rem;cursor:pointer;background:rgba(255,255,255,.1);border:none;border-radius:4px;padding:6px 12px;transition:.2s}
.lightbox__nav:hover{background:rgba(255,255,255,.25)}
.lightbox__prev{left:12px}
.lightbox__next{right:12px}
.lightbox__caption{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:.88rem;white-space:nowrap}

/* ── PHOTO STRIP ── */
.photo-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.photo-strip__item{border-radius:9px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.photo-strip__item img{width:100%;height:100%;object-fit:cover}

/* ── FOOTER ── */
footer{background:#111f10;color:rgba(255,255,255,.7);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.footer-brand p{color:rgba(255,255,255,.55);font-size:.9rem;line-height:1.7;margin-top:12px}
.footer-col h4{font-family:"Barlow",sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col li{font-size:.9rem}
.footer-col a{color:rgba(255,255,255,.6);transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;align-items:center;justify-content:space-between;font-size:.84rem;color:rgba(255,255,255,.4)}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .grid-2,.why-grid,.about-story,.contact-layout{grid-template-columns:1fr}
  .grid-3,.reviews-grid,.values-grid,.areas-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .certs-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav__links{display:none}
  .burger{display:flex}
  .section{padding:48px 0}
  .grid-3,.reviews-grid,.values-grid,.areas-grid,.photo-strip,.certs-grid,.ground-grid{grid-template-columns:1fr}
  .gallery-grid{columns:2}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
  .hero__actions{flex-direction:column}
  .contact-form{padding:22px}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:400px){
  .gallery-grid{columns:1}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
}