:root {
  --green: #41980a;
  --green-top: #41980a;
  --green-head: #117c13;
  --green-dark: #1d3a10;
  --green-deep: #142a0b;
  --yellow: #fbff81;
  --paper: #f6f8f1;
  --ink: #1a2016;
  --muted: #55604f;
  --line: #dfe6d6;
  --display: 'Josefin Sans', 'Trebuchet MS', sans-serif;
  --body: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--body); font-weight: 300; font-size: 17px; line-height: 1.7; color: var(--ink); background: #fff; }
img { max-width: 100%; display: block; }
a { color: var(--green-dark); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.1; margin: 0 0 .5em; }
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 21px; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.lede { font-size: 19px; color: var(--muted); max-width: 60ch; margin: 0 0 40px; }
.text-link { font-weight: 700; color: var(--green-dark); text-underline-offset: 4px; }

/* Buttons */
.btn { display: inline-block; font-weight: 700; text-decoration: none; border-radius: 999px; padding: 16px 28px; font-size: 17px; line-height: 1.2; transition: background-color .2s, color .2s; }
.btn-yellow { background: var(--yellow); color: #000; }
.btn-yellow:hover { background: #000; color: #fff; }
.btn-ghost { color: #fff; border: 2px solid rgba(255,255,255,.7); }
.btn-ghost:hover { background: #fff; color: var(--ink); }
.btn-small { padding: 10px 20px; font-size: 15px; }

/* Top bar + header */
.topbar { background: var(--green-top); font-size: 14px; }
.topbar-inner { display: flex; gap: 36px; padding-top: 12px; padding-bottom: 12px; }
.topbar a { color: #fff; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; font-weight: 300; }
.topbar a:hover { color: #000; }
.topbar svg { width: 16px; height: 16px; fill: #fff; }
.site-header { background: var(--green-head); position: sticky; top: 0; z-index: 20; box-shadow: 0 5px 30px rgba(0,0,0,.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: 92px; }
.logo img { width: 182px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: #fff; text-decoration: none; font-weight: 600; font-size: 15px; }
.main-nav a:hover { color: #000; }
.main-nav .nav-cta { background: var(--green); color: #fff; padding: 14px 26px; font-weight: 400; font-size: 16px; }
.main-nav .nav-cta:hover { background: #000; color: #fff; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; width: 48px; }
.menu-toggle span { display: block; height: 4px; background: #fff; border-radius: 2px; margin: 6px 0; }

/* Hero */
.hero { position: relative; min-height: min(78vh, 680px); display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; overflow: hidden; background: var(--green-head); }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(17, 124, 19, .6); }
.hero-inner { position: relative; z-index: 1; padding-top: 90px; padding-bottom: 90px; }
.hero h1 { font-size: clamp(40px, 6vw, 72px); max-width: 14ch; margin: 0 auto 28px; letter-spacing: 1px; }
.hero-sub { font-size: clamp(18px, 2vw, 21px); max-width: 44ch; margin: 0 auto 36px; color: #fff; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cta-inner .hero-ctas { justify-content: flex-start; }

/* Welcome */
.welcome { padding: 64px 0; text-align: center; border-bottom: 1px solid var(--line); }
.welcome p { max-width: 62ch; margin: 0 auto; font-size: 19px; color: var(--muted); }

/* Proof */
.proof { background: var(--green); color: #fff; }
.proof-list { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 auto; padding-top: 22px; padding-bottom: 22px; gap: 16px; }
.proof-list li { font-size: 15px; line-height: 1.35; }
.proof-list strong { display: block; font-family: var(--display); font-size: 24px; color: var(--yellow); }

/* Steps */
.steps { background: var(--paper); }
.step-list { list-style: none; counter-reset: step; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step-list li { counter-increment: step; border-top: 3px solid var(--green); padding-top: 22px; }
.step-list li::before { content: counter(step); font-family: var(--display); font-size: 56px; line-height: 1; color: var(--green); display: block; margin-bottom: 12px; }
.step-list p { color: var(--muted); margin: 0; }

/* Work */
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; margin-bottom: 32px; }
.section-head h2 { margin: 0; }
.work-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.work-card { text-decoration: none; color: var(--ink); }
.work-card img { aspect-ratio: 3 / 4; object-fit: cover; width: 100%; border-radius: 6px; margin-bottom: 14px; }
.work-place { display: block; font-family: var(--display); font-weight: 700; font-size: 20px; }
.work-desc { display: block; color: var(--muted); font-size: 15px; line-height: 1.5; }
.work-card:hover .work-place { color: var(--green); }

/* Grass */
.grass { background: var(--green-deep); color: #fff; }
.grass .lede { color: rgba(255,255,255,.75); }
.grass-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.grass-card img { border-radius: 6px; aspect-ratio: 4 / 3; object-fit: cover; width: 100%; margin-bottom: 14px; }
.grass-card h3 { margin-bottom: 4px; }
.grass-spec { color: var(--yellow); font-weight: 700; font-size: 15px; margin: 0 0 8px; }
.grass-card p:last-child { color: rgba(255,255,255,.75); font-size: 15px; margin: 0; }

/* Why */
.why-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.why-list { margin: 0; }
.why-list div { padding: 22px 0; border-bottom: 1px solid var(--line); }
.why-list div:first-child { padding-top: 0; }
.why-list dt { font-family: var(--display); font-weight: 700; font-size: 22px; margin-bottom: 6px; }
.why-list dd { margin: 0; color: var(--muted); }

/* Areas */
.areas { background: var(--paper); }
.area-list { list-style: none; padding: 0; margin: 24px 0 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.area-list a { display: block; padding: 9px 18px; border: 1px solid var(--line); background: #fff; border-radius: 999px; text-decoration: none; color: var(--ink); font-weight: 500; }
.area-list a:hover { border-color: var(--green); color: var(--green); }

/* CTA band */
.cta-band { background: var(--green); color: #fff; padding: 80px 0; }
.cta-inner h2 { max-width: 18ch; }
.cta-inner p { font-size: 19px; margin: 0 0 28px; color: rgba(255,255,255,.9); }

/* Footer */
.site-footer { background: var(--green-deep); color: rgba(255,255,255,.8); padding: 64px 0 100px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h3 { color: #fff; font-size: 17px; }
.site-footer a { color: #fff; }
.logo-footer { color: var(--yellow); display: inline-block; margin-bottom: 12px; }

/* WhatsApp float */
.wa-float { position: fixed; left: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 1000; width: 56px; height: 56px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 4px 14px rgba(0,0,0,.3); text-decoration: none; }
.wa-float svg { width: 32px; height: 32px; }
.wa-float:hover { background: #1ebe5a; }

@media (max-width: 1020px) {
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--green-head); flex-direction: column; align-items: stretch; gap: 0; padding: 0 24px 24px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 0; font-size: 18px; border-bottom: 1px solid rgba(255,255,255,.2); }
  .main-nav .nav-cta { margin-top: 16px; text-align: center; border: 0; }
  .menu-toggle { display: block; }
  .grass-grid { grid-template-columns: repeat(3, 1fr); }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .topbar-inner { justify-content: space-between; gap: 12px; font-size: 14px; }
  .topbar a { gap: 8px; }
  .header-inner { height: 80px; }
  .logo img { width: 177px; }
  .hero { min-height: 70vh; }
  .hero-ctas .btn { flex: 1 1 100%; text-align: center; }
  .proof-list { grid-template-columns: repeat(2, 1fr); }
  .step-list { grid-template-columns: 1fr; gap: 28px; }
  .grass-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Inner pages */
.narrow { max-width: 860px; }
.page-hero { background: var(--paper); padding: 72px 0 64px; border-bottom: 1px solid var(--line); }
.kicker { font-family: var(--display); font-weight: 600; font-size: 13px; letter-spacing: 1.5px; color: var(--green-head); margin: 0 0 12px; }
.page-hero h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 24px; }
.prose p { margin: 0 0 1.1em; }
.prose a, .faq-a a, .team-note a { color: var(--green-head); font-weight: 600; }
.hero-ctas.left { justify-content: flex-start; margin-top: 28px; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #000; color: #fff; }
.btn-outline { border: 2px solid var(--green-head); color: var(--green-head); }
.btn-outline:hover { background: var(--green-head); color: #fff; }

.usp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.usp img { margin: 0 auto 14px; }
.usp p { color: var(--muted); margin: 0 0 10px; }

.step-list.four { grid-template-columns: repeat(4, 1fr); gap: 32px; }
.step-list.four p { margin-bottom: 12px; }

.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-family: var(--display); font-weight: 600; font-size: 19px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 28px; color: var(--green); font-family: var(--body); font-weight: 300; }
.faq-list details[open] summary::after { content: "–"; }
.faq-a { padding: 0 0 22px; color: var(--muted); }

.person { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: center; margin: 32px 0 48px; }
.person img { border-radius: 8px; aspect-ratio: 1; object-fit: cover; width: 100%; }
.person.flip img { order: 2; }
.person p { color: var(--muted); margin: 0; }
.team-note { max-width: 70ch; color: var(--muted); }

@media (max-width: 1020px) {
  .step-list.four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .page-hero { padding: 48px 0 40px; }
  .usp-grid, .step-list.four { grid-template-columns: 1fr; }
  .person { grid-template-columns: 1fr; gap: 20px; margin: 24px 0 36px; }
  .person.flip img { order: 0; }
  .person img { max-width: 280px; }
  .hero-ctas.left .btn { flex: 1 1 100%; text-align: center; }
}

/* Calculator */
.calc-hero { padding-bottom: 40px; }
.calc-intro { font-size: 19px; color: var(--muted); max-width: 52ch; margin: 0; }
.calc-section { padding-top: 48px; }
.calc { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 36px; scroll-margin-top: 110px; }
.calc-progress { height: 6px; background: var(--paper); border-radius: 3px; margin-bottom: 32px; overflow: hidden; }
.calc-progress span { display: block; height: 100%; width: 25%; background: var(--green); transition: width .3s; }
.calc-step { display: none; }
.calc-step.active { display: block; }
.calc-step h2 { font-size: clamp(26px, 3.4vw, 34px); }
.hint { color: var(--muted); margin: 0 0 20px; }
.calc input[type=text], .calc input[type=number], .calc input[type=tel], .calc input[type=email], .calc select, .calc textarea {
  display: block; width: 100%; font: 400 18px var(--body); padding: 14px 16px; border: 1.5px solid #c9d3bf; border-radius: 8px; margin-top: 6px; background: #fff; color: var(--ink); }
.calc input:focus, .calc select:focus, .calc textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(65,152,10,.18); }
#postcode { text-transform: uppercase; max-width: 280px; }
.calc label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.calc-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.or { text-align: center; color: var(--muted); margin: 0 0 12px; }
.calc-error { color: #b42318; font-weight: 600; min-height: 1.2em; margin: 4px 0 12px; }
.calc-nav { display: flex; gap: 12px; margin-top: 8px; }
.calc .btn { border: 0; cursor: pointer; font-family: var(--body); }
.calc .btn-outline { background: #fff; border: 2px solid var(--green-head); }
fieldset { border: 0; padding: 0; margin: 0 0 22px; }
legend { font-weight: 600; margin-bottom: 10px; padding: 0; }
.choice { display: inline-block; margin: 0 8px 8px 0 !important; }
.choice input { position: absolute; opacity: 0; }
.choice span { display: inline-block; padding: 12px 20px; border: 1.5px solid #c9d3bf; border-radius: 999px; font-weight: 400; cursor: pointer; }
.choice input:checked + span { background: var(--green-head); border-color: var(--green-head); color: #fff; }
.choice input:focus-visible + span { outline: 3px solid var(--green); outline-offset: 2px; }
.price-list { border-top: 1px solid var(--line); margin-bottom: 16px; }
.price-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.price-row strong { display: block; font-family: var(--display); font-size: 20px; }
.price-row span { font-size: 14px; color: var(--muted); }
.price-range { font-weight: 700; font-size: 18px; color: var(--green-head); white-space: nowrap; }
.price-note { font-size: 14px; color: var(--muted); }
.lock-form { background: var(--paper); border-radius: 10px; padding: 28px; margin: 28px 0 20px; }
.lock-form h3 { font-size: 24px; }
.hidden-field { display: none; }
.lock-alt { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 20px; }
.lock-alt p { margin: 0; font-weight: 600; width: 100%; }
@media (max-width: 720px) {
  .calc { padding: 22px 18px; }
  .price-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .lock-form { padding: 20px 16px; }
  .calc-nav .btn, .lock-alt .btn, .lock-form .btn { flex: 1; text-align: center; }
}

/* Case studies */
.kicker a { color: inherit; text-decoration: none; }
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; max-width: 900px; }
.ba figure { margin: 0; position: relative; }
.ba img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 8px; }
.ba figcaption { position: absolute; top: 12px; left: 12px; background: rgba(0,0,0,.65); color: #fff; font-weight: 600; font-size: 13px; padding: 5px 12px; border-radius: 999px; }
.prose h2 { font-size: 26px; margin-top: 1.4em; }
.review { margin: 36px 0 0; padding: 28px; background: var(--paper); border-left: 4px solid var(--green); border-radius: 0 8px 8px 0; }
.review p { font-style: italic; margin: 0 0 12px; }
.review cite { font-style: normal; font-weight: 600; color: var(--green-head); font-size: 15px; }
.gallery-sec { padding-top: 0; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 6px; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.reviews-grid .review { margin: 0; }
.reviews-grid a { color: var(--green-head); font-weight: 600; font-size: 14px; }
@media (max-width: 720px) {
  .ba { gap: 8px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .reviews-grid { grid-template-columns: 1fr; }
}

/* Guides */
.article h2 { font-size: 30px; margin-top: 1.6em; }
.article h3 { font-size: 23px; margin-top: 1.6em; }
.article ol, .article ul { padding-left: 1.3em; margin: 0 0 1.1em; }
.article li { margin-bottom: .7em; }
.inline-cta { background: var(--green-head); color: #fff; border-radius: 10px; padding: 28px; margin: 40px 0; }
.inline-cta h3 { font-size: 24px; }
.inline-cta p { margin: 0 0 18px; color: rgba(255,255,255,.9); }
.inline-cta .btn-green { background: var(--yellow); color: #000; }
.more-guides ul { padding-left: 1.2em; }
.more-guides a { color: var(--green-head); font-weight: 600; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guide-card { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 24px; transition: border-color .2s; }
.guide-card:hover { border-color: var(--green); }
.guide-card h3 { font-size: 21px; margin: 6px 0 10px; }
.guide-card p { color: var(--muted); font-size: 15px; margin: 0 0 16px; flex: 1; }
.guide-date { font-size: 13px; color: var(--muted); font-weight: 600; }
@media (max-width: 1020px) { .guide-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .guide-grid { grid-template-columns: 1fr; } }

/* Core pages */
.faq-group { font-size: 26px; margin: 40px 0 4px; }
.faq-group:first-child { margin-top: 0; }
.small-print { font-size: 14px; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.contact-cards { display: grid; gap: 14px; }
.contact-card { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; text-decoration: none; color: var(--ink); }
a.contact-card:hover { border-color: var(--green); }
.contact-card span { display: block; font-size: 13px; font-weight: 600; color: var(--green-head); letter-spacing: .5px; text-transform: uppercase; margin-bottom: 4px; }
.contact-card strong { font-family: var(--display); font-size: 20px; font-weight: 600; }
.contact-form { margin: 0; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
.calc input[type=file] { display: block; width: 100%; margin-top: 6px; padding: 12px; border: 2px dashed var(--line); border-radius: 8px; background: #fff; font: inherit; font-size: 15px; }
.photo-hint { margin-top: -6px; font-size: 14px; }
.calc input[type=file][hidden] { display: none; }

/* Gallery lightbox */
.lb { position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,.94); display: flex; align-items: center; justify-content: center; touch-action: pan-y; }
.lb[hidden] { display: none; }
.lb-img { max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.lb button { position: absolute; background: rgba(255,255,255,.15); color: #fff; border: 0; border-radius: 50%; width: 48px; height: 48px; font-size: 32px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.lb button:hover { background: rgba(255,255,255,.3); }
.lb-close { top: calc(14px + env(safe-area-inset-top, 0px)); right: 14px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); }
.lb-count { position: absolute; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); left: 0; right: 0; text-align: center; color: #fff; font-size: 15px; letter-spacing: .05em; }