:root {
  --ink: #13233a;
  --ink-soft: #4a5a70;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --brand: #2a7d3c;
  --brand-dark: #1f6330;
  --brand-light: #8fd19e; /* for use on the navy sections */
  --brand-tint: #e3f2e6;
  --brand-wash: #f3faf4;
  --on-brand: #ffffff;
  --star: #f2a900;
  --accent: #1f8a70;
  --line: #dde4ee;
  --danger: #c0392b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(19, 35, 58, 0.08);
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: var(--on-brand); box-shadow: 0 6px 16px rgba(42, 125, 60, 0.3); }
.btn-primary:hover { background: var(--brand-dark); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 4px; font-weight: 800; font-size: 1.4rem; text-decoration: none; }
.logo-mark { width: 38px; height: 38px; }
.site-footer .logo-mark { background: #fff; border-radius: 10px; padding: 3px; margin-right: 6px; }
.wordmark { display: inline-flex; align-items: center; gap: 4px; letter-spacing: -0.03em; }
.wordmark .ni {
  display: inline-block; background: var(--brand); color: var(--on-brand); font-size: 0.62em; letter-spacing: 0.04em;
  padding: 3px 6px 2px; border-radius: 5px; transform: rotate(-6deg) translateY(-1px); line-height: 1.2;
  box-shadow: 0 2px 0 var(--brand-dark);
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; font-weight: 600; color: var(--ink-soft); }
.nav a:hover { color: var(--ink); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--on-brand); }
.nav .phone { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--ink); }

/* ---------- hero ---------- */
.hero {
  background: radial-gradient(circle at 85% 20%, var(--brand-tint) 0, transparent 45%),
              linear-gradient(180deg, var(--brand-wash) 0%, #fff 100%);
  padding: 72px 0 88px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 540px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 0; color: var(--ink-soft); font-weight: 600; font-size: 0.95rem; }
.hero-badges li::before { content: "✓"; color: var(--accent); font-weight: 800; margin-right: 6px; }
.hero-art { position: relative; width: 100%; }
.hero-art img { width: 100%; height: auto; }
.hero-art .price-tag {
  position: absolute; left: -10px; bottom: -18px; background: #fff; border-radius: 14px;
  padding: 14px 18px; box-shadow: var(--shadow); font-weight: 700;
}
.hero-art .price-tag strong { display: block; font-size: 1.6rem; color: var(--ink); }
.hero-art .price-tag small { color: var(--ink-soft); font-weight: 600; }

/* ---------- postcode checker ---------- */
.checker { display: flex; gap: 8px; max-width: 460px; }
.checker input {
  flex: 1; padding: 14px 18px; border-radius: 999px; border: 2px solid var(--line);
  font: inherit; text-transform: uppercase; min-width: 0;
}
.checker input:focus { outline: none; border-color: var(--brand); }
.checker-result { margin-top: 10px; font-weight: 600; min-height: 1.6em; }
.checker-result.ok { color: var(--accent); }
.checker-result.bad { color: var(--danger); }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  background: var(--brand); color: var(--on-brand); font-weight: 800; font-size: 1.2rem; margin-bottom: 18px;
}
.step p { color: var(--ink-soft); margin: 0; }

/* ---------- pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1000px; margin: 0 auto; }
.plan.builder { background: var(--bg-alt); border-style: dashed; }
.plan.builder .addon-row { padding: 10px 0; }
.plan {
  background: #fff; border: 2px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  display: flex; flex-direction: column; position: relative;
}
.plan.popular { border-color: var(--brand); box-shadow: var(--shadow); }
.plan .badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: var(--on-brand); padding: 4px 14px; border-radius: 999px; font-size: 0.75rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.08em; white-space: nowrap;
}
.plan .tubs { font-size: 2.6rem; font-weight: 800; line-height: 1; }
.plan .tubs small { font-size: 1rem; font-weight: 600; color: var(--ink-soft); }
.plan .price { font-size: 1.5rem; font-weight: 800; margin: 14px 0 2px; }
.plan .price small { font-size: 0.9rem; color: var(--ink-soft); font-weight: 600; }
.plan .extra { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 14px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; font-size: 0.95rem; flex: 1; }
.plan li { padding: 5px 0; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 800; margin-right: 8px; }

.reno {
  margin-top: 28px; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.reno h3 { font-size: 1.5rem; margin-bottom: 6px; }
.reno p { margin: 0; color: #c9d3e0; }
.reno .reno-price { font-size: 2rem; font-weight: 800; color: var(--brand-light); }
.addons-note { text-align: center; margin-top: 28px; color: var(--ink-soft); }

/* ---------- features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature .ico {
  flex: 0 0 52px; height: 52px; border-radius: 14px; background: var(--brand-tint);
  display: grid; place-items: center; font-size: 1.5rem;
}
.feature h3 { margin-bottom: 4px; }
.feature p { color: var(--ink-soft); margin: 0; }

/* ---------- comparison ---------- */
.compare { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.compare th, .compare td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.compare th { background: var(--ink); color: #fff; }
.compare td:nth-child(2) { font-weight: 700; }
.compare tr:last-child td { border-bottom: 0; }
.compare-wrap { overflow-x: auto; }

/* ---------- coverage ---------- */
.coverage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.zones { display: grid; gap: 14px; margin-top: 24px; }
.zone { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; display: flex; justify-content: space-between; gap: 12px; }
.zone strong { display: block; }
.zone small { color: var(--ink-soft); }
.zone .fee { font-weight: 800; white-space: nowrap; }
.towns { display: flex; flex-wrap: wrap; gap: 8px; }
.towns span { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 0.9rem; font-weight: 600; }

/* ---------- reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.review .stars { color: var(--star); letter-spacing: 2px; margin-bottom: 10px; }
.review p { color: var(--ink-soft); }
.review cite { font-style: normal; font-weight: 700; }

/* ---------- faq ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 700; font-size: 1.08rem; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 12px; font-size: 1.6rem; color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-soft); padding-bottom: 12px; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--brand); color: var(--on-brand); padding: 64px 0; text-align: center; }
.cta-band .btn-dark { background: #fff; color: var(--ink); }
.cta-band p { font-size: 1.15rem; margin-bottom: 24px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #c9d3e0; padding: 56px 0 28px; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 4px 0; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer .logo { color: #fff; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---------- booking page ---------- */
.book-hero { background: var(--brand-wash); padding: 48px 0 32px; border-bottom: 1px solid var(--line); }
.book-hero p { color: var(--ink-soft); margin: 0; }
.book-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; padding: 40px 0 88px; }
.book-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; }
.book-step h2 { font-size: 1.35rem; display: flex; align-items: center; gap: 12px; }
.book-step h2 .num { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: var(--on-brand); font-size: 1rem; flex: 0 0 34px; }
.book-step .hint { color: var(--ink-soft); font-size: 0.92rem; margin-top: -4px; }

.pkg-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.pkg-option { position: relative; }
.pkg-option input { position: absolute; opacity: 0; }
.pkg-option label {
  display: block; border: 2px solid var(--line); border-radius: 12px; padding: 16px; cursor: pointer; height: 100%;
}
.pkg-option label strong { display: block; }
.pkg-option label .meta { color: var(--ink-soft); font-size: 0.88rem; }
.pkg-option label .p { font-weight: 800; margin-top: 6px; }
.pkg-option input:checked + label { border-color: var(--brand); background: var(--brand-wash); }
.pkg-option input:focus-visible + label { outline: 3px solid var(--ink); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input, .field select, .field textarea {
  font: inherit; padding: 12px 14px; border: 2px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); }
.field .msg { font-size: 0.88rem; font-weight: 600; min-height: 1.2em; }
.field .msg.ok { color: var(--accent); }
.field .msg.bad { color: var(--danger); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.stepper { display: inline-flex; align-items: center; border: 2px solid var(--line); border-radius: 999px; overflow: hidden; }
.stepper button { background: #fff; border: 0; width: 42px; height: 42px; font-size: 1.2rem; cursor: pointer; color: var(--ink); }
.stepper button:hover { background: var(--bg-alt); }
.stepper output { min-width: 44px; text-align: center; font-weight: 700; }
.addon-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); gap: 12px; }
.addon-row:last-child { border-bottom: 0; }
.addon-row small { color: var(--ink-soft); display: block; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; margin-bottom: 12px; }
.check input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--accent); }

.summary { position: sticky; top: 96px; background: #fff; border: 2px solid var(--ink); border-radius: var(--radius); padding: 26px; }
.summary h2 { font-size: 1.3rem; }
.summary dl { margin: 0 0 16px; }
.summary .line { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; font-size: 0.95rem; }
.summary .line dt { color: var(--ink-soft); }
.summary .line dd { margin: 0; font-weight: 600; text-align: right; }
.summary .total { border-top: 2px solid var(--line); margin-top: 8px; padding-top: 14px; display: flex; justify-content: space-between; font-size: 1.4rem; font-weight: 800; }
.summary .small { font-size: 0.85rem; color: var(--ink-soft); margin: 12px 0 0; text-align: center; }

.confirm { display: none; text-align: center; padding: 64px 20px 96px; max-width: 640px; margin: 0 auto; }
.confirm.show { display: block; }
.confirm .tick { width: 80px; height: 80px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 2.4rem; display: grid; place-items: center; margin: 0 auto 20px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .pricing { grid-template-columns: repeat(2, 1fr); }
  .plan.builder { grid-column: 1 / -1; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .book-layout { grid-template-columns: 1fr; }
  .summary { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-grid, .coverage-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin: 0 auto; }
  .steps, .reviews { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 560px) {
  .pricing, .features, .row, .footer-grid { grid-template-columns: 1fr; }
  .checker { flex-direction: column; }
  .reno { padding: 24px; }
}

/* ---------- promise strip ---------- */
.promise-strip { background: var(--ink); color: #fff; padding: 22px 0; }
.promises { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.promises div { border-left: 3px solid var(--brand-light); padding-left: 14px; }
.promises strong { display: block; }
.promises span { color: #c9d3e0; font-size: 0.9rem; }

/* ---------- tub calculator ---------- */
.calc { display: grid; grid-template-columns: 1fr 340px; gap: 32px; align-items: start; max-width: 1000px; margin: 0 auto; }
.calc fieldset { border: 0; padding: 0; margin: 0 0 24px; }
.calc legend { font-weight: 700; font-size: 1.05rem; margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips label { position: relative; cursor: pointer; }
.chips input { position: absolute; opacity: 0; }
.chips span {
  display: inline-block; padding: 10px 18px; border: 2px solid var(--line); border-radius: 999px;
  font-weight: 600; background: #fff; transition: border-color 0.15s, background 0.15s;
}
.chips input:checked + span { border-color: var(--brand); background: var(--brand-tint); }
.chips input:focus-visible + span { outline: 3px solid var(--ink); }
.calc-result {
  background: var(--ink); color: #fff; border-radius: var(--radius); padding: 28px; text-align: center;
  position: sticky; top: 96px;
}
.calc-result > span { color: #c9d3e0; font-weight: 600; }
.calc-tubs { font-size: 4rem; font-weight: 800; line-height: 1.1; color: var(--brand-light); }
.calc-tubs small { font-size: 1.2rem; color: #fff; }
.calc-result p { color: #c9d3e0; }
.calc-result p strong { color: #fff; font-size: 1.3rem; }
.calc-result > small { display: block; margin-top: 10px; color: #c9d3e0; }

/* ---------- use cases ---------- */
.uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.use {
  display: block; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.use:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand); }
.use .ico { font-size: 1.8rem; display: block; margin-bottom: 10px; }
.use p { color: var(--ink-soft); margin: 0; }

/* ---------- WhatsApp + mobile bar ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; font-size: 1.6rem; text-decoration: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.mobile-bar { display: none; }

@media (max-width: 1000px) {
  .promises { grid-template-columns: repeat(2, 1fr); }
  .uses { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .calc { grid-template-columns: 1fr; }
  .calc-result { position: static; }
  .wa-float { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(19, 35, 58, 0.08);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .mobile-bar a { text-align: center; padding: 14px 6px; font-weight: 700; text-decoration: none; font-size: 0.95rem; }
  .mobile-bar.no-call { grid-template-columns: 1fr 1.3fr; }
  .mobile-bar .mb-wa { color: #128c4b; }
  .mobile-bar .mb-book { background: var(--brand); color: var(--on-brand); }
  body:has(.mobile-bar) .site-footer { padding-bottom: 90px; }
}
@media (max-width: 560px) {
  .promises, .uses { grid-template-columns: 1fr; }
}
.calc-result .calc-equiv { font-size: 0.9rem; margin: 4px 0 16px; }

/* room-by-room calculator */
.rooms { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.room {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: #fff; border: 2px solid var(--line); border-radius: 12px; padding: 8px 8px 8px 14px;
  transition: border-color 0.15s, background 0.15s;
}
.room.on { border-color: var(--brand); background: var(--brand-wash); }
.room-name { display: flex; align-items: center; gap: 10px; font-weight: 600; line-height: 1.25; }
.room-name small { display: block; color: var(--ink-soft); font-weight: 500; font-size: 0.8rem; }
.room .stepper button { width: 36px; height: 36px; }
.room .stepper output { min-width: 30px; }
.calc-raw { font-size: 0.85rem; color: #c9d3e0; margin: -8px 0 14px; }
@media (max-width: 560px) { .rooms { grid-template-columns: 1fr; } }