@font-face {
  font-family: "Inter Heading";
  src: url("assets/inter-heading.ttf") format("truetype");
  font-weight: 610;
  font-display: swap;
}
:root {
  --dark: #101b12;
  --dark-raised: #16271a;
  --ink: #17231a;
  --muted: #46544b;
  --paper: #f7f8f3;
  --white: #f5f8ef;
  --green: #8cce72;
  --green-hover: #a4df8d;
  --line: #d5ded3;
  --gutter: clamp(20px, 5.2vw, 80px);
  --section: clamp(64px, 8vw, 126px);
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.58 system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 650; line-height: 1.06; letter-spacing: -.055em; }
h2 { font-size: clamp(2.35rem, 5vw, 4.8rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 2.25rem); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid #4d8b3d;
  outline-offset: 4px;
}
[id] { scroll-margin-top: 20px; }
.container { max-width: 1440px; width: 100%; margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.skip { position: fixed; inset: 8px auto auto 8px; z-index: 10; padding: .6rem 1rem; transform: translateY(-160%); color: var(--ink); background: var(--paper); }
.skip:focus { transform: none; }
.site-header { background: var(--dark); color: var(--white); border-bottom: 1px solid #eff7e52a; }
.header-inner { min-height: 86px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; }
.brand { width: fit-content; border-radius: 7px; overflow: hidden; background: #fff; }
.brand img { width: 69px; height: auto; }
.site-header nav { display: flex; gap: clamp(18px, 3vw, 42px); }
.site-header nav a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; color: #e8eee4; font-size: .94rem; }
.site-header nav a:hover { color: var(--green); }
.button {
  display: inline-flex;
  width: fit-content;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  padding: .68rem 1.13rem;
  border: 1px solid transparent;
  border-radius: 100px;
  background: var(--green);
  color: #142414;
  text-decoration: none;
  font: 700 .94rem/1.15 system-ui, sans-serif;
  cursor: pointer;
}
.button:hover { background: var(--green-hover); }
.button:disabled { opacity: .55; cursor: default; }
.button-header { justify-self: end; }
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--dark); color: var(--white); }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; pointer-events: none; }
.hero::before {
  width: min(1300px, 133vw);
  height: clamp(140px, 25vw, 320px);
  left: -23%;
  top: 21%;
  border-radius: 50%;
  transform: rotate(24deg);
  background: linear-gradient(90deg, #203923, #28462b 48%, #233f27);
  opacity: .57;
}
.hero::after { top: -44%; right: 22%; height: 178%; width: clamp(65px, 11vw, 150px); transform: rotate(24deg); background: #1c3421; opacity: .55; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.17fr) minmax(0, .95fr); gap: clamp(24px, 5vw, 82px); align-items: center; padding-block: clamp(36px, 5vw, 75px) clamp(28px, 4.8vw, 64px); }
.area { display: flex; align-items: center; gap: .58rem; color: #d9ead3; font-size: .89rem; font-weight: 640; }
.area::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.hero h1 { margin-block: 15px 22px; font-family: "Inter Heading", system-ui, sans-serif; font-size: clamp(3.1rem, 5.1vw, 5.55rem); font-weight: 610; line-height: 1.02; }
.hero h1 em, .energy h2 em { color: var(--green); font-style: normal; }
.hero h1 em { display: block; }
.hero-content > p:not(.area) { max-width: 46ch; color: #e0eadc; font-size: clamp(1rem, 1.4vw, 1.16rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 20px; margin-top: 25px; }
.phone { display: inline-flex; align-items: center; min-height: 44px; font-weight: 650; text-underline-offset: .23em; }
.phone:hover { color: var(--green); }
.hero-visual { position: relative; border-radius: 12px; overflow: hidden; background: #2b4530; aspect-ratio: 1.08; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 56%; }
.hero-visual figcaption { position: absolute; left: 0; bottom: 0; padding: 6px 11px; background: #142219ed; color: #eff4ec; border-top-right-radius: 5px; font-size: .69rem; }
.proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding-block: 0; margin-block: 0; }
.proof li { border-top: 1px solid #e7f4df55; padding-block: 20px 25px; }
.proof li + li { padding-left: clamp(12px, 3vw, 36px); }
.proof strong, .proof span { display: block; }
.proof strong { font-size: 1.04rem; }
.proof span { color: #c8d8c5; font-size: .86rem; margin-top: 3px; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 22px; align-items: end; margin-bottom: clamp(28px, 4.5vw, 55px); }
.section-heading > p { max-width: 40ch; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.service { display: grid; grid-template-rows: auto auto 1fr auto; gap: 13px; min-height: 265px; padding: clamp(21px, 3.3vw, 47px); border: 1px solid var(--line); border-radius: 10px; background: #eef3ea; }
.service:nth-child(2) { background: #f4f5ee; }
.code { color: #36533b; font-size: .74rem; font-weight: 750; letter-spacing: .12em; }
.service p:not(.code), .steps p { color: var(--muted); max-width: 46ch; }
.text-link { display: inline-flex; width: fit-content; min-height: 44px; align-items: center; gap: .45rem; color: #274c2b; font-weight: 700; text-underline-offset: .24em; }
.text-link:hover { color: #16351a; }
.process { background: #e8efe5; }
.process .section-heading { display: block; }
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 3vw, 42px); counter-reset: step; }
.steps li { counter-increment: step; border-top: 1px solid #9cb29b; padding-top: 18px; }
.steps li::before { content: counter(step, decimal-leading-zero); color: #37643a; font-size: 1.12rem; font-weight: 730; }
.steps h3 { margin-block: 9px 12px; font-size: clamp(1.32rem, 2.35vw, 2.04rem); }
.energy { background: #182b1c; color: var(--white); }
.energy-inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(20px, 6vw, 90px); align-items: center; }
.energy p { max-width: 42ch; color: #dce9d9; font-size: 1.08rem; }

.contact { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(24px, 5.5vw, 90px); align-items: start; }
.contact-info > p { margin-block: 14px 20px; color: var(--muted); max-width: 38ch; }
.contact address { display: flex; flex-direction: column; align-items: flex-start; font-style: normal; }
.contact address a { display: flex; align-items: center; min-height: 44px; text-underline-offset: .24em; }
.contact-phone { font-size: 1.42rem; font-weight: 700; }
.contact address span { margin-top: 7px; color: var(--muted); }
.enquiry { display: grid; gap: 17px; padding: clamp(18px, 3vw, 36px); border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.enquiry label { display: block; min-width: 0; font-weight: 650; font-size: .87rem; }
.enquiry input, .enquiry select, .enquiry textarea { display: block; width: 100%; min-width: 0; min-height: 46px; margin-top: 5px; padding: 8px 9px; border: 1px solid #a9b7aa; border-radius: 5px; color: var(--ink); background: #fbfcfa; font: 1rem/1.35 system-ui, sans-serif; }
.enquiry textarea { resize: vertical; }
.enquiry fieldset { min-width: 0; border: 0; border-top: 1px solid var(--line); padding: 10px 0 0; margin: 0; }
.enquiry legend { padding: 0 6px 0 0; font-weight: 700; }
.enquiry fieldset > p, .form-actions p { color: var(--muted); font-size: .82rem; }
.enquiry fieldset > p { margin-bottom: 8px; }
.enquiry details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.enquiry summary { min-height: 44px; padding-block: 10px; font-weight: 670; cursor: pointer; }
.enquiry summary span { color: var(--muted); font-weight: 450; font-size: .82rem; }
.optional-fields { padding-bottom: 13px; }
.wide { grid-column: 1 / -1; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; }
.form-result { padding: .65rem .8rem; border: 1px solid #a9c2a8; border-radius: 4px; background: #edf5e8; overflow-wrap: anywhere; }
footer { background: var(--dark); color: var(--white); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-block: 26px; }
.footer-inner p { color: #c9d5c7; font-size: .86rem; }
.footer-inner a { min-height: 44px; display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; text-underline-offset: .24em; }

@media (max-width: 960px) {
  .contact { grid-template-columns: 1fr; }
  .contact-info { max-width: 42rem; }
}
@media (max-width: 760px) {
  .header-inner { grid-template-columns: 1fr auto; gap: 3px 8px; padding-top: 10px; }
  .brand img { width: 58px; }
  .button-header { grid-row: 1; grid-column: 2; min-height: 44px; padding-inline: .9rem; font-size: .85rem; }
  .site-header nav { grid-column: 1 / -1; justify-content: space-between; gap: 12px; max-width: 420px; }
  .hero-grid { grid-template-columns: 1fr; gap: 22px; padding-block: 30px 22px; }
  .hero h1 { font-size: clamp(2.45rem, 10.8vw, 4.55rem); margin-block: 11px 15px; }
  .hero-actions { margin-top: 17px; }
  .hero-visual { aspect-ratio: 1.42; }
  .hero-visual img { object-position: 50% 44%; }
  .proof { grid-template-columns: 1fr; padding-bottom: 8px; }
  .proof li, .proof li + li { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); align-items: baseline; gap: 10px; padding: 11px 0; }
  .proof strong { font-size: .93rem; }
  .proof span { margin: 0; font-size: .79rem; }
  .section-heading, .service-grid, .steps, .energy-inner { grid-template-columns: 1fr; }
  .section-heading { gap: 11px; }
  .service { min-height: 0; }
}
@media (max-width: 485px) {
  .fields { grid-template-columns: 1fr; }
}