:root {
    --green: #4AA485;
    --green-dark: #357a62;
    --green-light: #e8f5ef;
    --ink: #333333;
    --muted: #666;
    --bg: #ffffff;
    --bg-alt: #FAFAFA;
    --topbar: #32373c;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Open Sans', Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; }
  a { color: inherit; text-decoration: none; }
  .container { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

  /* Top bar */
  .topbar { background: var(--topbar); color: #ddd; font-size: 14px; }
  .topbar a:hover { color: #fff; }
  .topbar .container { display: flex; justify-content: space-between; align-items: center; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; gap: 8px; }

  /* Header */
  header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 50; }
  header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
  .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; color: var(--green-dark); }
  .logo svg { width: 42px; height: 42px; }
  .logo small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
  nav ul { list-style: none; display: flex; gap: 26px; }
  nav a { font-weight: 600; font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; transition: .2s; }
  nav a:hover, nav a.active { color: var(--green); border-color: var(--green); }
  .menu-btn { display: none; background: none; border: 0; font-size: 28px; cursor: pointer; color: var(--ink); }

  /* Hero slider */
  .hero { position: relative; height: 520px; overflow: hidden; }
  .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s; display: flex; align-items: center; color: #fff; }
  .slide.active { opacity: 1; }
  .slide.s1 { background: linear-gradient(120deg, rgba(20,60,45,.9), rgba(74,164,133,.7)), repeating-linear-gradient(45deg, #2d6b55 0 20px, #347a61 20px 40px); }
  .slide.s2 { background: linear-gradient(120deg, rgba(30,40,50,.9), rgba(74,164,133,.6)), repeating-linear-gradient(-45deg, #3a4a55 0 20px, #44565f 20px 40px); }
  .slide h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 800; line-height: 1.15; margin-bottom: 16px; max-width: 640px; }
  .slide p { font-size: 18px; max-width: 560px; margin-bottom: 28px; opacity: .95; }
  .btn { display: inline-block; background: var(--green); color: #fff; font-weight: 700; padding: 13px 30px; border-radius: 4px; text-transform: uppercase; font-size: 14px; letter-spacing: .5px; transition: background .2s, transform .2s; border: 0; cursor: pointer; }
  .btn:hover { background: var(--green-dark); transform: translateY(-2px); }
  .btn.outline { background: transparent; border: 2px solid #fff; margin-left: 10px; }
  .btn.outline:hover { background: #fff; color: var(--green-dark); }
  .dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
  .dots button { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: transparent; cursor: pointer; }
  .dots button.active { background: #fff; }
  .arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,.3); color: #fff; border: 0; width: 44px; height: 44px; border-radius: 50%; font-size: 20px; cursor: pointer; }
  .arrow:hover { background: var(--green); }
  .arrow.prev { left: 16px; } .arrow.next { right: 16px; }

  /* Sections */
  section { padding: 80px 0; }
  .alt { background: var(--bg-alt); }
  .section-title { text-align: center; margin-bottom: 50px; }
  .section-title span { color: var(--green); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: 2px; }
  .section-title h2 { font-size: 34px; font-weight: 800; margin-top: 6px; }
  .section-title .bar { width: 60px; height: 3px; background: var(--green); margin: 14px auto 0; }

  /* Services */
  .cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,.07); transition: transform .25s, box-shadow .25s; }
  .card:hover { transform: translateY(-6px); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
  .card .img { height: 160px; display: grid; place-items: center; background: var(--green-light); }
  .card .img svg { width: 90px; height: 90px; }
  .card .body { padding: 24px; }
  .card h3 { font-size: 19px; margin-bottom: 10px; }
  .card p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
  .read-more { color: var(--green); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }
  .read-more:hover { color: var(--green-dark); }

  /* About */
  .about { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
  .about-visual { background: linear-gradient(135deg, var(--green), var(--green-dark)); border-radius: 10px; min-height: 360px; position: relative; display: grid; place-items: center; color: #fff; }
  .about-visual .badge { text-align: center; }
  .about-visual .badge b { font-size: 64px; font-weight: 800; display: block; line-height: 1; }
  .about h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
  .about p { color: var(--muted); margin-bottom: 16px; }
  .checks { list-style: none; margin: 20px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .checks li::before { content: "✔"; color: var(--green); font-weight: 700; margin-right: 8px; }

  /* Contact */
  .contact { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
  form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  form .full { grid-column: 1 / -1; }
  input, textarea { width: 100%; padding: 13px 14px; border: 1px solid #ddd; border-radius: 4px; font: inherit; font-size: 15px; background: #fff; }
  input:focus, textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(74,164,133,.15); }
  textarea { min-height: 130px; resize: vertical; }
  .info { background: #fff; border-radius: 8px; padding: 30px; box-shadow: 0 4px 20px rgba(0,0,0,.07); }
  .info h3 { margin-bottom: 18px; }
  .info .row { display: flex; gap: 14px; margin-bottom: 18px; }
  .info .ic { flex: 0 0 42px; height: 42px; border-radius: 50%; background: var(--green-light); color: var(--green); display: grid; place-items: center; font-size: 18px; }
  .info small { color: var(--muted); display: block; }
  .form-msg { grid-column: 1/-1; color: var(--green-dark); font-weight: 600; display: none; }

  footer { background: var(--topbar); color: #bbb; text-align: center; padding: 24px 16px; font-size: 14px; }

  /* Floating WhatsApp + call buttons */
  .wa-fab { position: fixed; right: 20px; bottom: 90px; background: #25D366; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.25); z-index: 60; }
  .wa-fab svg { width: 30px; height: 30px; fill: #fff; }
  .call-fab { position: fixed; right: 20px; bottom: 20px; background: #03E78B; color: #fff; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.25); z-index: 60; animation: pulse 2s infinite; }
  .call-fab svg { width: 26px; height: 26px; fill: #fff; }
  @keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(3,231,139,.6)} 70%{box-shadow:0 0 0 16px rgba(3,231,139,0)} 100%{box-shadow:0 0 0 0 rgba(3,231,139,0)} }

  @media (max-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 900px) {
    .cards { grid-template-columns: 1fr 1fr; }
    .about, .contact { grid-template-columns: 1fr; }
  }
  @media (max-width: 760px) {
    .menu-btn { display: block; }
    nav { position: absolute; top: 100%; left: 0; right: 0; background: #fff; box-shadow: 0 8px 16px rgba(0,0,0,.08); display: none; }
    nav.open { display: block; }
    nav ul { flex-direction: column; gap: 0; padding: 8px 16px; }
    nav li a { display: block; padding: 12px 0; border-bottom: 1px solid #eee; }
    .cards, form, .checks { grid-template-columns: 1fr; }
    .hero { height: 460px; }
    .btn.outline { margin: 12px 0 0; }
    section { padding: 56px 0; }
  }

  /* Service detail pages */
  .page-banner { background: linear-gradient(120deg, rgba(20,60,45,.95), rgba(74,164,133,.85)); color: #fff; padding: 60px 0; }
  .page-banner h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
  .crumbs { font-size: 14px; opacity: .9; margin-top: 6px; }
  .crumbs a:hover { text-decoration: underline; }
  .detail { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
  .detail h2 { font-size: 26px; font-weight: 800; margin: 30px 0 12px; }
  .detail h2:first-child { margin-top: 0; }
  .detail p { color: var(--muted); margin-bottom: 14px; }
  .detail .checks { grid-template-columns: 1fr; }
  .side { display: grid; gap: 20px; align-self: start; position: sticky; top: 90px; }
  .side .box { background: #fff; border-radius: 8px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.07); }
  .side .box.cta { background: var(--green); color: #fff; }
  .side .box.cta p { color: #fff; opacity: .95; margin: 8px 0 16px; }
  .side .box.cta .btn { background: #fff; color: var(--green-dark); }
  .side h3 { margin-bottom: 12px; }
  .side ul { list-style: none; }
  .side li a { display: block; padding: 8px 0; border-bottom: 1px solid #eee; font-weight: 600; }
  .side li a:hover, .side li a.current { color: var(--green); }
  @media (max-width: 900px) { .detail { grid-template-columns: 1fr; } .side { position: static; } }
  .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 10px; }
  .facts div { background: var(--bg-alt); border-radius: 8px; padding: 14px 16px; }
  .facts b { display: block; color: var(--green-dark); }
  .facts span { color: var(--muted); font-size: 15px; }
  .enquire { background: var(--green-light); border-left: 4px solid var(--green); border-radius: 8px; padding: 22px 24px; margin-top: 34px; }
  .enquire h3 { margin-bottom: 6px; }
  .enquire p { margin-bottom: 16px !important; }
  .enquire .btn { margin: 0 10px 10px 0; }
  .btn.wa { background: #25D366; } .btn.wa:hover { background: #1da851; }
  @media (max-width: 760px) { .facts { grid-template-columns: 1fr; } }