:root{
  --bg:#ffffff;
  --surface:#f5f7fa;
  --text:#1f2933;
  --muted:#51606b;
  --primary:#6EC1E4; /* sky blue */
  --accent:#4FAE5A; /* logo-matched green */ /* green leaf */
  --border:rgba(31,41,51,.12);
  --shadow:0 10px 30px rgba(31,41,51,.10);
  --radius:18px;
  --max:1100px;
  --focus:0 0 0 4px rgba(47,108,173,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;
  color:var(--text);
  background:#F4F7FA;
  line-height:1.55;
}
a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
/* Header */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:12px; min-width:240px;
}
.logo{
  width:42px; height:42px; border-radius:14px;
  background:linear-gradient(135deg,var(--primary),#1c4a7a);
  box-shadow:var(--shadow);
  position:relative;
}
.logo:after{
  content:""; position:absolute; inset:11px 10px 10px 11px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(245,166,35,.35));
}
.brand .name{font-weight:800; letter-spacing:.2px}
.brand .strap{font-size:.88rem; color:var(--muted); margin-top:2px}
.brand-text{display:flex; flex-direction:column}
nav ul{list-style:none; margin:0; padding:0; display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
nav a{
  display:inline-block;
  padding:10px 12px;
  border-radius:14px;
  color:var(--text);
}
nav a.active, nav a:hover{
  background:rgba(47,108,173,.08);
  text-decoration:none;
}
/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:16px;
  border:1px solid transparent;
  font-weight:700;
  cursor:pointer;
}
.btn:focus{outline:none; box-shadow:var(--focus)}
.btn-primary{background:var(--accent); color:#1a1a1a}
.btn-primary:hover{filter:brightness(.97); text-decoration:none}
.btn-secondary{
  background:rgba(47,108,173,.10);
  border-color:rgba(47,108,173,.18);
  color:var(--primary);
}
.btn-secondary:hover{background:rgba(47,108,173,.14); text-decoration:none}
.btn-ghost{
  background:transparent;
  border-color:rgba(31,41,51,.14);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(31,41,51,.05); text-decoration:none}
/* Hero */
.hero{
  padding:48px 0 22px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:18px;
  align-items:stretch;
}
.card{
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-card{padding:26px}
.kicker{
  display:inline-flex; gap:8px; align-items:center;
  color:var(--primary);
  font-weight:800;
  letter-spacing:.2px;
  background:rgba(47,108,173,.09);
  border:1px solid rgba(47,108,173,.18);
  padding:6px 10px;
  border-radius:999px;
  margin-bottom:14px;
  font-size:.92rem;
}
.h1{font-size:2.05rem; line-height:1.15; margin:0 0 10px}
.lead{color:var(--muted); font-size:1.07rem; margin:0 0 18px}
.actions{display:flex; gap:10px; flex-wrap:wrap}
.hero-side{padding:18px}
.hero-side h3{margin:0 0 8px}
.pill{
  display:flex; gap:10px; align-items:flex-start;
  padding:12px;
  border-radius:16px;
  border:1px dashed rgba(31,41,51,.18);
  background:rgba(245,247,250,.9);
  margin-top:10px;
}
.pill strong{display:block}
.pill span{color:var(--muted); font-size:.95rem}
/* Sections */
section{padding:30px 0}
.section-title{font-size:1.45rem; margin:0 0 8px}
.section-sub{color:var(--muted); margin:0 0 16px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
.feature{padding:16px}
.feature h4{margin:0 0 6px}
.feature p{margin:0; color:var(--muted)}
.icon{
  width:38px; height:38px; border-radius:14px;
  background:rgba(47,108,173,.10);
  border:1px solid rgba(47,108,173,.18);
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
  color:var(--primary);
  margin-bottom:10px;
}
.strip{
  background:rgba(47,108,173,.06);
  border-top:1px solid rgba(47,108,173,.12);
  border-bottom:1px solid rgba(47,108,173,.12);
}
.quote{padding:18px}
blockquote{
  margin:0;
  padding:0 0 0 16px;
  border-left:4px solid rgba(245,166,35,.65);
  color:var(--muted);
}
blockquote strong{color:var(--text)}
/* Services page */
.anchor-nav{
  display:flex; flex-wrap:wrap; gap:10px; margin-top:12px
}
.anchor-nav a{
  padding:10px 12px; border-radius:999px;
  background:rgba(31,41,51,.05);
  border:1px solid rgba(31,41,51,.10);
  color:var(--text);
}
.anchor-nav a:hover{background:rgba(31,41,51,.08); text-decoration:none}
.service-block{padding:18px}
.service-block ul{margin:10px 0 0 18px; color:var(--muted)}
/* Contact */
.contact-grid{display:grid; grid-template-columns: .95fr 1.05fr; gap:14px}
.kv{padding:16px}
.kv p{margin:0; color:var(--muted)}
.kv .line{margin-top:10px}
form{display:grid; gap:10px}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(31,41,51,.18);
  background:#fff;
  font:inherit;
}
textarea{min-height:140px; resize:vertical}
small{color:var(--muted)}
/* Footer */
footer{
  padding:26px 0 36px;
  border-top:1px solid var(--border);
  background:rgba(255,255,255,.85);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
  align-items:start;
}
.footer-links{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
.footer-links a{padding:8px 10px; border-radius:12px; background:rgba(31,41,51,.05); border:1px solid rgba(31,41,51,.10); color:var(--text)}
.footer-links a:hover{text-decoration:none; background:rgba(31,41,51,.08)}
/* Responsive */
@media (max-width: 880px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  nav ul{justify-content:flex-start}
  .brand{min-width:auto}
}

.logo{
  background:linear-gradient(135deg,#6EC1E4,#4CAF50);
}


/* Eco accent (SVG leaf) */
.leaf-accent{
  position: relative;
}
.leaf-accent::after{
  content:"";
  display:inline-block;
  width:18px;
  height:18px;
  margin-left:8px;
  background-color: var(--accent);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M21 3C14 3 7 6 3 12c4 6 11 9 18 9 0-7-3-14-6-18z' /></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M21 3C14 3 7 6 3 12c4 6 11 9 18 9 0-7-3-14-6-18z' /></svg>") no-repeat center / contain;
}


/* Soft background sections */
.soft-section{
  background:#EAF4FB;
  border-top:1px solid rgba(0,0,0,.04);
  border-bottom:1px solid rgba(0,0,0,.04);
}

/* Identity watermark */
body::after{
  content:"© R H Williams Limited";
  position:fixed;
  bottom:12px;
  right:12px;
  font-size:11px;
  color:rgba(0,0,0,.12);
  pointer-events:none;
  z-index:0;
}