/* Layout: warm off-white content column, max 1120px, with hairline-separated bands (page head, CTA, footer). Tokens from the Shirras Environmental Solutions design system. */
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 200 900; font-display: swap; src: url("../fonts/source-sans-3-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 200 900; font-display: swap; src: url("../fonts/source-sans-3-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
:root {
  --surface: #f5f3ef; --surface-raised: #fbfaf7;
  --ink: #0a2a14; --ink-muted: #45524a;
  --link: #2f6a2a; --accent-rule: #69a956; --rule: #d7d7d2;
  --icon-disc: #10301a; --icon-ink: #f3f2ea;
  --action: #1b4527; --action-hover: #10301a; --on-action: #f3f2ea;
  --focus: #2f6a2a; --fern: #588048;
  --font-sans: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-6: 24px; --space-8: 32px; --space-12: 48px; --space-16: 64px; --space-24: 96px;
  --radius-sm: 4px; --radius-md: 8px;
  --max: 1120px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--surface); color: var(--ink); font: 400 18px/28px var(--font-sans); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--surface); }
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-weight: 700; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: var(--max); margin-inline: auto; padding-left: max(var(--space-12), env(safe-area-inset-left, 0px)); padding-right: max(var(--space-12), env(safe-area-inset-right, 0px)); }
@media (max-width: 720px) { .wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); } }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface-raised); padding: 8px 12px; z-index: 30; }
.skip:focus { left: 16px; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--surface); border-bottom: 1px solid var(--rule); }
.site-header .wrap { display: flex; align-items: center; gap: var(--space-6); min-height: 84px; }
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--ink); margin-right: auto; }
.brand img { width: 52px; height: auto; display: block; mix-blend-mode: multiply; }
.brand span { font-weight: 700; font-size: 18px; line-height: 20px; letter-spacing: .01em; max-width: 13em; }
.brand small { display: block; font-weight: 600; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--fern); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: var(--space-6); }
.nav a.navlink { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 16px; padding-block: 6px; border-bottom: 2px solid transparent; }
.nav a.navlink:hover { border-bottom-color: var(--rule); }
.nav a.navlink[aria-current="page"] { border-bottom-color: var(--accent-rule); }
.menu-btn { display: none; align-items: center; gap: 8px; background: none; border: 1px solid var(--rule); color: var(--ink); border-radius: var(--radius-sm); padding: 8px 12px; font: 600 16px/20px var(--font-sans); cursor: pointer; }
.menu-btn svg { width: 20px; height: 20px; }
@media (max-width: 900px) {
  .menu-btn { display: inline-flex; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--rule); flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-2) max(16px, env(safe-area-inset-right, 0px)) var(--space-6) max(16px, env(safe-area-inset-left, 0px)); }
  .nav[data-open="false"] { display: none; }
  .nav a.navlink { padding: 12px 0; border-bottom: 1px solid var(--rule); }
  .nav a.navlink[aria-current="page"] { border-bottom-color: var(--rule); color: var(--link); }
  .nav .btn { margin-top: var(--space-4); text-align: center; }
  .brand span { font-size: 16px; }
}

/* Buttons */
.btn { display: inline-block; padding: var(--space-3) var(--space-6); border-radius: var(--radius-sm); border: 0; background: var(--action); color: var(--on-action); font: 600 16px/20px var(--font-sans); text-decoration: none; cursor: pointer; transition: background-color .15s; }
.btn:hover { background: var(--action-hover); }
.textlink { font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); }

/* Type helpers */
.eyebrow { font-size: 14px; line-height: 18px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.display { font-size: 52px; line-height: 56px; letter-spacing: -.01em; }
.h1 { font-size: 40px; line-height: 46px; }
.h2 { font-size: 30px; line-height: 36px; }
.h3 { font-size: 21px; line-height: 26px; }
.lead { font-size: 21px; line-height: 31px; max-width: 34em; }
.small { font-size: 15px; line-height: 22px; }
.muted { color: var(--ink-muted); }
.rule-accent { width: 64px; height: 4px; background: var(--accent-rule); }
.measure { max-width: 40em; }
@media (max-width: 640px) { .display { font-size: 36px; line-height: 40px; } .h1 { font-size: 32px; line-height: 38px; } .h2 { font-size: 26px; line-height: 32px; } .lead { font-size: 19px; line-height: 28px; } }

/* Sections */
.section { padding-block: var(--space-16); }
.section + .section { border-top: 1px solid var(--rule); }
.section-head { display: grid; gap: var(--space-4); margin-bottom: var(--space-8); }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero__photo { position: absolute; inset: 0 0 0 40%; background: var(--rule); }
.hero__photo picture, .hero__photo img { display: block; width: 100%; height: 100%; }
.hero__photo img { object-fit: cover; }
.hero__panel { position: relative; width: 62%; background: var(--surface-raised); clip-path: polygon(0 0, 88% 0, 100% 100%, 0 100%); }
.hero__inner { display: grid; gap: var(--space-4); padding-block: var(--space-24); padding-right: var(--space-16); padding-left: max(var(--space-12), env(safe-area-inset-left, 0px), calc((100vw - var(--max)) / 2 + var(--space-12))); }
.hero .eyebrow { color: var(--link); }
.hero h1 { max-width: 15ch; }
.hero .actions { margin-top: var(--space-4); }
@media (max-width: 900px) {
  .hero__photo { position: relative; inset: auto; height: 220px; }
  .hero__panel { width: 100%; clip-path: none; }
  .hero__inner { padding: var(--space-12) max(16px, env(safe-area-inset-right, 0px)) var(--space-12) max(16px, env(safe-area-inset-left, 0px)); }
}

/* Page header (inner pages) */
.page-head { background: var(--surface-raised); border-bottom: 1px solid var(--rule); }
.page-head .wrap { padding-block: var(--space-16); display: grid; gap: var(--space-4); }
.crumbs { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.crumbs a { color: var(--link); }

/* Approach */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-8) var(--space-12); }
.pillar { display: grid; gap: var(--space-2); align-content: start; padding-top: var(--space-4); border-top: 1px solid var(--rule); }
@media (max-width: 800px) { .pillars { grid-template-columns: minmax(0, 1fr); } }

/* Service list */
.svc-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-12); }
.svc { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: var(--space-6); align-items: start; padding-block: var(--space-6); border-bottom: 1px solid var(--rule); color: inherit; text-decoration: none; height: 100%; }
.svc:hover .h3 { text-decoration: underline; text-underline-offset: 4px; }
.svc .h3 { margin-bottom: var(--space-2); }
.disc { width: 64px; height: 64px; border-radius: 9999px; background: var(--icon-disc); display: grid; place-items: center; flex: none; }
.disc svg { width: 28px; height: 28px; }
.ico { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.disc .ico { color: var(--icon-ink); }
@media (max-width: 720px) { .svc-list { grid-template-columns: minmax(0, 1fr); } }

/* Sectors */
.sectors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-8); }
.sector { display: grid; gap: var(--space-3); align-content: start; }
@media (max-width: 900px) { .sectors { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .sectors { grid-template-columns: minmax(0, 1fr); } }

/* Credibility / split */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: var(--space-12); align-items: center; }
@media (max-width: 800px) { .split { grid-template-columns: minmax(0, 1fr); } }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.facts li { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px solid var(--rule); }
.facts li:first-child { border-top: 1px solid var(--rule); }
.facts .yr { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink-muted); font-size: 16px; }
@media (max-width: 480px) { .facts li { grid-template-columns: minmax(0, 1fr); gap: 0; } }

/* Service detail */
.detail { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--space-12); align-items: start; }
.detail aside { display: grid; gap: var(--space-6); }
@media (max-width: 860px) { .detail { grid-template-columns: minmax(0, 1fr); } }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; }
.ticks li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--space-3); padding-block: var(--space-3); border-bottom: 1px solid var(--rule); }
.ticks li:first-child { border-top: 1px solid var(--rule); }
.ticks svg { width: 20px; height: 20px; margin-top: 4px; color: var(--link); }
.stack { display: grid; gap: var(--space-4); }
.stack-lg { display: grid; gap: var(--space-8); }
.other { list-style: none; margin: 0; padding: 0; display: grid; }
.other a { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; font-weight: 600; }
.other a:hover { color: var(--link); }
.other svg { width: 20px; height: 20px; flex: none; margin-top: 4px; }

/* Sector detail */
.sector-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) minmax(0, 18em); gap: var(--space-6) var(--space-8); padding-block: var(--space-8); border-bottom: 1px solid var(--rule); }
.sector-row:first-child { border-top: 1px solid var(--rule); }
.sector-row .rel { display: grid; gap: var(--space-2); align-content: start; font-size: 16px; }
@media (max-width: 860px) { .sector-row { grid-template-columns: 64px minmax(0, 1fr); } .sector-row .rel { grid-column: 2; } }
@media (max-width: 480px) { .sector-row { grid-template-columns: minmax(0, 1fr); } .sector-row .rel { grid-column: auto; } }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: var(--space-12); align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: minmax(0, 1fr); } }
.cdetails { list-style: none; margin: 0; padding: 0; display: grid; }
.cdetails li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--space-3); padding-block: var(--space-4); border-bottom: 1px solid var(--rule); }
.cdetails li:first-child { border-top: 1px solid var(--rule); }
.cdetails svg { width: 22px; height: 22px; margin-top: 3px; color: var(--link); }
.cdetails .lbl { display: block; font-size: 14px; line-height: 18px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
form.enquiry { background: var(--surface-raised); border: 1px solid var(--rule); padding: var(--space-8); display: grid; gap: var(--space-4); }
@media (max-width: 480px) { form.enquiry { padding: var(--space-6) var(--space-4); } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 16px; line-height: 20px; }
.field .hint { font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.field input, .field textarea, .field select { width: 100%; font: 400 17px/24px var(--font-sans); color: var(--ink); background: var(--surface); border: 1px solid var(--ink-muted); border-radius: var(--radius-sm); padding: 10px 12px; }
.field textarea { min-height: 140px; resize: vertical; }
.row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
@media (max-width: 560px) { .row2 { grid-template-columns: minmax(0, 1fr); } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn[disabled] { opacity: .6; cursor: progress; }
.logo-img { mix-blend-mode: multiply; justify-self: center; width: 220px; height: auto; }
.form-note { border-left: 0; background: var(--surface); border: 1px solid var(--accent-rule); padding: var(--space-4); border-radius: var(--radius-sm); }

/* CTA band + footer */
.cta, footer { background: var(--surface-raised); border-top: 1px solid var(--rule); }
.cta .wrap { padding-block: var(--space-16); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-6); }
.cta .h2 { max-width: 20em; }
.site-footer .wrap { padding-block: var(--space-12); display: grid; grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr); gap: var(--space-12); align-items: center; }
.site-footer .divider { align-self: stretch; background: var(--rule); }
.place { display: flex; align-items: center; gap: var(--space-3); font-size: 21px; line-height: 26px; }
.place svg { width: 24px; height: 24px; flex: none; }
.fmeta { padding-left: 36px; display: grid; gap: 2px; margin-top: var(--space-2); }
.tagline { font-size: 15px; line-height: 24px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; max-width: 30ch; }
.fnav { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); margin-top: var(--space-6); font-size: 15px; }
.fnav a, .fmeta a { color: var(--link); }
.legal { border-top: 1px solid var(--rule); }
.legal .wrap { display: block; padding-block: var(--space-4); font-size: 14px; line-height: 20px; color: var(--ink-muted); }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); } .site-footer .divider { height: 1px; } }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }