/* Variables */
:root {
  --colour-ink: #071b27;
  --colour-ink-deep: #041018;
  --colour-paper: #f2efe8;
  --colour-white: #ffffff;
  --colour-red: #d0002d;
  --colour-red-soft: #e54a64;
  --colour-line: rgba(255, 255, 255, 0.28);
  --colour-glass: rgba(5, 17, 25, 0.74);
  --colour-overlay-top: rgba(2, 10, 15, 0.55);
  --colour-overlay-side: rgba(2, 10, 15, 0.3);
  --colour-overlay-clear: rgba(2, 10, 15, 0.04);
  --colour-overlay-middle: rgba(3, 14, 20, 0.12);
  --colour-overlay-bottom: rgba(2, 10, 15, 0.76);
  --colour-transparent: rgba(255, 255, 255, 0);
  --colour-muted: #696e70;
  --colour-paper-line: rgba(7, 27, 39, 0.18);
  --colour-light-line: rgba(242, 239, 232, 0.2);
  --colour-image-shade: rgba(4, 16, 24, 0.32);
  --colour-input: rgba(255, 255, 255, 0.08);
  --colour-focus: rgba(227, 71, 97, 0.28);
  --colour-header-shadow: rgba(4, 16, 24, 0.2);
  --font-sans: "Figtree", "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --shell: min(87vw, 1500px);
  --header-height: 6.5rem;
}

/* Base */
@font-face {
  font-family: "Figtree";
  src: url("../assets/fonts/figtree-300.woff") format("woff");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Figtree";
  src: url("../assets/fonts/figtree-400.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--colour-ink-deep);
  color: var(--colour-white);
  font-family: var(--font-sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.home-shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--colour-white);
  color: var(--colour-ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */
.home-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid var(--colour-line);
  transition: background-color 240ms ease, box-shadow 240ms ease, backdrop-filter 240ms ease;
}

.home-header.is-scrolled {
  background: var(--colour-glass);
  box-shadow: 0 0.75rem 2rem var(--colour-header-shadow);
  backdrop-filter: blur(1rem);
}

.home-header .navbar {
  min-height: var(--header-height);
  padding: 0;
}

.home-header .home-shell {
  display: grid;
  grid-template-columns: 15rem 1fr auto;
  align-items: center;
  min-height: var(--header-height);
}

.home-brand {
  display: inline-flex;
  align-items: center;
  width: 12.5rem;
}

.home-brand img {
  display: block;
  width: 100%;
  height: auto;
}

.home-navigation {
  justify-content: center;
}

.home-navigation .navbar-nav {
  gap: clamp(1.4rem, 2.6vw, 3rem);
}

.home-header .home-navigation .nav-link,
.home-header .home-navigation .nav-link.active,
.home-header .home-navigation .nav-link:hover,
.home-header .home-navigation .nav-link:focus-visible {
  position: relative;
  padding: 2.55rem 0 2.35rem;
  color: var(--colour-white);
  font-size: 0.69rem;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
}

.home-navigation .nav-link::after {
  position: absolute;
  right: 0;
  bottom: 1.85rem;
  left: 0;
  height: 1px;
  background: var(--colour-red-soft);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms ease;
}

.home-navigation .nav-link:hover::after,
.home-navigation .nav-link:focus-visible::after,
.home-navigation .nav-link.active::after {
  transform: scaleX(1);
}

.home-header .header-cta {
  align-items: center;
  justify-content: space-between;
  width: 11.5rem;
  min-height: 2.9rem;
  padding: 0 1.15rem;
  border: 1px solid var(--colour-line);
  border-radius: 100vw;
  color: var(--colour-white);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background-color 240ms ease, border-color 240ms ease, color 240ms ease;
}

.home-header .header-cta:hover,
.home-header .header-cta:focus-visible {
  border-color: var(--colour-red);
  background: var(--colour-red);
  color: var(--colour-white);
}

/* Hero */
.home-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.home-hero-media,
.home-hero-shade {
  position: absolute;
  inset: 0;
}

.home-hero-media {
  z-index: -3;
  background: var(--colour-ink) url("../assets/images/contemporary-rural-home.webp") center 58% / cover no-repeat;
  transform: scale(1.035);
  animation: hero-image-in 1.5s cubic-bezier(0.2, 0.72, 0.26, 1) forwards;
}

.home-hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, var(--colour-overlay-top) 0%, var(--colour-overlay-side) 42%, var(--colour-overlay-clear) 76%),
    linear-gradient(180deg, var(--colour-overlay-top) 0%, var(--colour-overlay-middle) 34%, var(--colour-overlay-bottom) 100%);
}

.home-hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100svh;
  padding-top: clamp(10.5rem, 23vh, 14rem);
  padding-bottom: 2.25rem;
}

.home-hero-content {
  max-width: 58rem;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
  color: var(--colour-paper);
  font-size: 0.69rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero-kicker span {
  width: 1.9rem;
  height: 1px;
  background: var(--colour-red-soft);
}

.home-hero h1 {
  max-width: 12ch;
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(3.8rem, 6.6vw, 7.25rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.home-hero h1 em {
  color: var(--colour-red-soft);
  font-weight: 400;
}

.hero-intro {
  max-width: 35rem;
  margin: 1.65rem 0 0;
  color: var(--colour-paper);
  font-size: clamp(0.94rem, 1.1vw, 1.08rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 12.4rem;
  min-height: 3.25rem;
  padding: 0 1.2rem;
  border: 1px solid var(--colour-line);
  border-radius: 100vw;
  font-size: 0.69rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: background-color 240ms ease, border-color 240ms ease, color 240ms ease;
}

.hero-button-primary {
  border-color: var(--colour-red);
  background: var(--colour-red);
}

.hero-button-secondary:hover,
.hero-button-secondary:focus-visible,
.hero-button-primary:hover,
.hero-button-primary:focus-visible {
  border-color: var(--colour-paper);
  background: var(--colour-paper);
  color: var(--colour-ink);
}

.hero-expertise {
  display: grid;
  grid-template-columns: 15rem 1fr;
  align-items: end;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--colour-line);
}

.hero-expertise p {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.35;
}

.hero-expertise ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-expertise li {
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(0.92rem, 1.3vw, 1.2rem);
}

.hero-expertise li span {
  display: block;
  margin-bottom: 0.28rem;
  color: var(--colour-red-soft);
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.hero-scroll {
  position: absolute;
  right: -2.25rem;
  bottom: 8.7rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.59rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transform: rotate(90deg);
  transform-origin: center;
}

.hero-scroll span {
  width: 2.5rem;
  height: 1px;
  background: var(--colour-white);
}

[data-hero-item] {
  opacity: 0;
  transform: translateY(1.25rem);
  animation: hero-content-in 700ms ease forwards;
}

[data-hero-item]:nth-child(1) {
  animation-delay: 250ms;
}

[data-hero-item]:nth-child(2) {
  animation-delay: 360ms;
}

[data-hero-item]:nth-child(3) {
  animation-delay: 470ms;
}

[data-hero-item]:nth-child(4) {
  animation-delay: 580ms;
}

.hero-expertise[data-hero-item] {
  animation-delay: 690ms;
}

@keyframes hero-image-in {
  to {
    transform: scale(1);
  }
}

@keyframes hero-content-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Shared Editorial */
.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--colour-red);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.section-label > span {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  border: 1px solid var(--colour-paper-line);
  border-radius: 50%;
  color: var(--colour-red);
  font-size: 0.6rem;
}

.section-label p {
  margin: 0;
  color: var(--colour-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  line-height: 1.7;
  text-transform: uppercase;
}

.editorial-link {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--colour-paper-line);
  color: var(--colour-ink);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 220ms ease, border-color 220ms ease;
}

.editorial-link:hover,
.editorial-link:focus-visible {
  border-color: var(--colour-red);
  color: var(--colour-red);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.72, 0.26, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Introduction */
.home-intro {
  overflow: hidden;
  padding: clamp(5rem, 9vw, 8.5rem) 0 clamp(4rem, 7vw, 6.5rem);
  background: var(--colour-paper);
  color: var(--colour-ink);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(12rem, 0.75fr) 2fr;
  gap: clamp(3rem, 8vw, 9rem);
}

.intro-copy h2 {
  max-width: 15ch;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.7rem, 5vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.intro-detail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 4vw, 5rem);
  max-width: 54rem;
  margin-top: 2.5rem;
}

.intro-detail p {
  margin: 0;
  color: var(--colour-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.landscape-frame {
  position: relative;
  width: var(--shell);
  height: clamp(22rem, 46vw, 43rem);
  margin: clamp(3.5rem, 7vw, 6rem) auto 0;
  overflow: hidden;
}

.landscape-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 46%;
  transition: transform 1s cubic-bezier(0.2, 0.72, 0.26, 1);
}

.landscape-frame:hover img {
  transform: scale(1.025);
}

.landscape-frame figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  padding: 1.15rem 1.35rem;
  background: var(--colour-glass);
  color: var(--colour-paper);
  font-size: 0.61rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: blur(0.65rem);
}

/* Sectors */
.sector-section {
  display: grid;
  grid-template-columns: 54% 46%;
  min-height: 45rem;
  background: var(--colour-ink);
}

.sector-visual {
  position: relative;
  min-height: 45rem;
  overflow: hidden;
}

.sector-visual img,
.sector-visual-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.sector-visual img {
  object-fit: cover;
  transition: opacity 280ms ease, transform 650ms cubic-bezier(0.2, 0.72, 0.26, 1);
}

.sector-visual img.is-changing {
  opacity: 0;
  transform: scale(1.025);
}

.sector-visual-shade {
  background: linear-gradient(180deg, var(--colour-transparent), var(--colour-image-shade));
}

.sector-visual > p {
  position: absolute;
  bottom: 2.5rem;
  left: 3.5rem;
  z-index: 1;
  margin: 0;
  color: var(--colour-paper);
  font-size: 0.62rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.sector-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3.5rem, 6vw, 6rem);
}

.sector-heading {
  margin-bottom: clamp(2rem, 4vw, 4rem);
}

.sector-heading h2 {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.92;
}

.sector-row {
  display: grid;
  grid-template-columns: 2.25rem minmax(9rem, 0.9fr) 1.25fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.45rem 0;
  border-top: 1px solid var(--colour-light-line);
  transition: color 220ms ease;
}

.sector-row:last-child {
  border-bottom: 1px solid var(--colour-light-line);
}

.sector-row > span {
  color: var(--colour-red-soft);
  font-size: 0.58rem;
  letter-spacing: 0.13em;
}

.sector-row h3,
.sector-row p {
  margin: 0;
}

.sector-row h3 {
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  font-weight: 400;
}

.sector-row p {
  color: var(--colour-paper);
  font-size: 0.77rem;
  line-height: 1.5;
  opacity: 0.62;
}

.sector-row b {
  color: var(--colour-paper);
  font-weight: 300;
  transition: transform 220ms ease;
}

.sector-row:hover h3,
.sector-row:focus-visible h3,
.sector-row.is-active h3 {
  color: var(--colour-red-soft);
}

.sector-row:hover b,
.sector-row:focus-visible b {
  transform: translate(0.2rem, -0.2rem);
}

/* Experience */
.experience-section {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--colour-ink-deep);
}

.experience-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(3rem, 7vw, 8rem);
}

.experience-copy {
  align-self: center;
}

.experience-copy h2 {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 4.8vw, 5.1rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.experience-copy h2 em {
  color: var(--colour-red-soft);
  font-weight: 400;
}

.experience-copy > p:not(.eyebrow) {
  max-width: 30rem;
  margin: 2rem 0 0;
  color: var(--colour-paper);
  font-size: 0.93rem;
  line-height: 1.75;
  opacity: 0.72;
}

.editorial-link-light {
  border-color: var(--colour-light-line);
  color: var(--colour-paper);
}

.experience-image {
  position: relative;
  min-height: 33rem;
  overflow: hidden;
}

.experience-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.experience-image > p {
  position: absolute;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 1.1rem 1.35rem;
  background: var(--colour-red);
  color: var(--colour-paper);
  font-size: 0.65rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.experience-image > p span {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.experience-path {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 1.45rem 0 0;
  border-top: 1px solid var(--colour-light-line);
  list-style: none;
}

.experience-path li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: 1rem;
}

.experience-path li span {
  color: var(--colour-red-soft);
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

/* Services */
.services-section {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--colour-paper);
  color: var(--colour-ink);
}

.services-heading {
  display: grid;
  grid-template-columns: minmax(12rem, 0.75fr) 2fr;
  gap: clamp(3rem, 8vw, 9rem);
  margin-bottom: clamp(3.5rem, 6vw, 6rem);
}

.services-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 5.3rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.services-heading h2 em {
  color: var(--colour-red);
  font-weight: 400;
}

.service-index {
  border-top: 1px solid var(--colour-paper-line);
}

.service-index a {
  display: grid;
  grid-template-columns: 3rem 1fr 1.25fr auto;
  gap: clamp(1rem, 3vw, 3rem);
  align-items: center;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--colour-paper-line);
}

.service-index span {
  color: var(--colour-red);
  font-size: 0.6rem;
}

.service-index h3,
.service-index p {
  margin: 0;
}

.service-index h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  font-weight: 400;
  transition: color 220ms ease;
}

.service-index p {
  color: var(--colour-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.service-index b {
  font-weight: 300;
  transition: transform 220ms ease;
}

.service-index a:hover h3,
.service-index a:focus-visible h3 {
  color: var(--colour-red);
}

.service-index a:hover b,
.service-index a:focus-visible b {
  transform: translate(0.2rem, -0.2rem);
}

/* Contact */
.home-contact {
  position: relative;
  min-height: 43rem;
  padding: clamp(5rem, 8vw, 7rem) 0;
  overflow: hidden;
  isolation: isolate;
}

.contact-media,
.contact-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.contact-media {
  background: var(--colour-ink) url("../assets/images/onshore-wind.webp") center / cover no-repeat;
}

.contact-shade {
  z-index: -1;
  background: linear-gradient(90deg, var(--colour-overlay-top), var(--colour-overlay-bottom));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: clamp(3rem, 9vw, 10rem);
  align-items: center;
}

.contact-intro h2 {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5.5vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.92;
}

.contact-intro h2 em {
  color: var(--colour-red-soft);
  font-weight: 400;
}

.contact-intro > p:not(.eyebrow) {
  margin: 2rem 0 0;
  color: var(--colour-paper);
  opacity: 0.78;
}

.contact-intro > a {
  display: inline-flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--colour-line);
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.home-form {
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--colour-line);
  background: var(--colour-glass);
  backdrop-filter: blur(1rem);
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.form-line {
  display: grid;
  grid-template-columns: 8rem 1fr;
  align-items: start;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--colour-line);
}

.form-line label {
  padding-top: 0.45rem;
  font-size: 0.63rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.form-line input,
.form-line textarea {
  width: 100%;
  padding: 0.35rem 0;
  border: 0;
  outline: 0;
  background: var(--colour-transparent);
  color: var(--colour-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  resize: vertical;
}

.form-line:focus-within {
  border-color: var(--colour-red-soft);
  box-shadow: 0 1px 0 var(--colour-focus);
}

.consent-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  margin-top: 1.35rem;
  color: var(--colour-paper);
  font-size: 0.67rem;
  line-height: 1.5;
  opacity: 0.75;
}

.consent-line input {
  margin-top: 0.15rem;
  accent-color: var(--colour-red);
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 3.3rem;
  margin-top: 1.5rem;
  padding: 0 1.15rem;
  border: 1px solid var(--colour-red);
  border-radius: 100vw;
  background: var(--colour-red);
  color: var(--colour-white);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background-color 220ms ease, color 220ms ease;
}

.form-submit:hover,
.form-submit:focus-visible {
  background: var(--colour-paper);
  color: var(--colour-ink);
}

/* Footer */
.home-footer {
  padding: 3.5rem 0 2rem;
  background: var(--colour-ink-deep);
  color: var(--colour-paper);
}

.footer-primary {
  display: grid;
  grid-template-columns: 13rem minmax(13rem, 1fr) auto minmax(13rem, 0.8fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.footer-primary img {
  width: 13rem;
  height: auto;
}

.footer-primary > p {
  max-width: 30rem;
  margin: 0;
  color: var(--colour-paper);
  font-size: 0.8rem;
  line-height: 1.65;
  opacity: 0.7;
}

.footer-primary nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-developer > p {
  margin: 0 0 1rem;
  color: var(--colour-red-soft);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-developer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--colour-light-line);
  color: var(--colour-paper);
  font-size: 0.73rem;
  line-height: 1.4;
  transition: color 220ms ease, border-color 220ms ease, padding-left 220ms ease;
}

.footer-developer a:hover,
.footer-developer a:focus-visible {
  padding-left: 0.35rem;
  border-color: var(--colour-red-soft);
  color: var(--colour-red-soft);
}

.footer-primary a:hover,
.footer-primary a:focus-visible,
.footer-secondary a:hover,
.footer-secondary a:focus-visible {
  color: var(--colour-red-soft);
}

.footer-secondary {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--colour-light-line);
  color: var(--colour-paper);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.58;
}

.footer-secondary p {
  display: flex;
  gap: 1.25rem;
  margin: 0;
}

/* Interior Heroes */
.interior-page {
  background: var(--colour-paper);
  color: var(--colour-ink);
}

.interior-hero {
  position: relative;
  display: flex;
  min-height: 72svh;
  overflow: hidden;
  isolation: isolate;
}

.interior-hero::before,
.interior-hero::after {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
}

.interior-hero::before {
  background-position: center;
  background-size: cover;
  transform: scale(1.025);
  animation: hero-image-in 1.5s cubic-bezier(0.2, 0.72, 0.26, 1) forwards;
}

.interior-hero::after {
  z-index: -1;
  background: linear-gradient(180deg, var(--colour-overlay-top), var(--colour-overlay-middle) 36%, var(--colour-overlay-bottom));
}

.about-page-hero::before {
  background-image: url("../assets/images/onshore-wind.webp");
  background-position: center 54%;
}

.services-page-hero::before {
  background-image: url("../assets/images/energy-transmission.webp");
  background-position: center 48%;
}

.contact-page-hero::before {
  background-image: url("../assets/images/contemporary-rural-home.webp");
  background-position: center 58%;
}

.legal-page-hero::before {
  background-image: url("../assets/images/planning-detail.webp");
  background-position: center 46%;
}

.privacy-page-hero::before {
  background-image: url("../assets/images/planning-landscape.webp");
  background-position: center 50%;
}

.interior-hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: inherit;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.interior-hero .hero-kicker {
  margin-bottom: 1.25rem;
}

.interior-hero h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(4rem, 7.3vw, 7.8rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.88;
}

.interior-hero h1 em {
  color: var(--colour-red-soft);
  font-weight: 400;
}

.interior-hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--colour-line);
  color: var(--colour-paper);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.compact-hero {
  min-height: 56svh;
}

/* Interior Sections */
.page-section {
  padding: clamp(5rem, 8vw, 8rem) 0;
}

.page-section-paper {
  background: var(--colour-paper);
  color: var(--colour-ink);
}

.page-section-white {
  background: var(--colour-white);
  color: var(--colour-ink);
}

.page-section-dark {
  background: var(--colour-ink-deep);
  color: var(--colour-paper);
}

.page-intro-grid {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) 2fr;
  gap: clamp(3rem, 8vw, 9rem);
}

.page-lead {
  max-width: 17ch;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.page-lead em {
  color: var(--colour-red);
  font-weight: 400;
}

.page-copy {
  max-width: 44rem;
  margin: 1.75rem 0 0;
  color: var(--colour-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-section-dark .page-copy {
  color: var(--colour-paper);
  opacity: 0.7;
}

.timeline-heading {
  display: grid;
  grid-template-columns: 0.72fr 2fr;
  gap: clamp(3rem, 8vw, 9rem);
  margin-bottom: 4rem;
}

.timeline-heading h2,
.experience-editorial-heading h2,
.accordion-intro h2,
.contact-page-intro h2,
.legal-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.timeline-heading h2 em,
.experience-editorial-heading h2 em,
.accordion-intro h2 em,
.contact-page-intro h2 em {
  color: var(--colour-red-soft);
  font-weight: 400;
}

.timeline-list {
  border-top: 1px solid var(--colour-light-line);
}

.timeline-row {
  display: grid;
  grid-template-columns: 4rem minmax(12rem, 0.75fr) 1.5fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 2rem 0;
  border-bottom: 1px solid var(--colour-light-line);
}

.timeline-row > span {
  color: var(--colour-red-soft);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
}

.timeline-row h3 {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
  font-weight: 400;
}

.timeline-row p {
  margin: 0;
  color: var(--colour-paper);
  font-size: 0.86rem;
  line-height: 1.75;
  opacity: 0.7;
}

.perspective-band {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 38rem;
}

.perspective-image {
  min-height: 38rem;
}

.perspective-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.perspective-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3.5rem, 7vw, 7rem);
  background: var(--colour-red);
  color: var(--colour-white);
}

.perspective-copy .eyebrow {
  color: var(--colour-paper);
}

.perspective-copy h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.7rem, 4.5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.perspective-copy p {
  margin: 1.75rem 0 0;
  line-height: 1.7;
  opacity: 0.82;
}

.experience-editorial-heading,
.accordion-intro {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) 2fr;
  gap: clamp(3rem, 8vw, 9rem);
  margin-bottom: 4rem;
}

.experience-editorial-list {
  border-top: 1px solid var(--colour-paper-line);
}

.experience-editorial-row {
  display: grid;
  grid-template-columns: 4rem 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--colour-paper-line);
}

.experience-editorial-row > span {
  color: var(--colour-red);
  font-size: 0.6rem;
}

.experience-editorial-row figure {
  height: 17rem;
  margin: 0;
  overflow: hidden;
}

.experience-editorial-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

.experience-editorial-row:hover img {
  transform: scale(1.025);
}

.experience-editorial-row h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.4vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.experience-editorial-row p {
  margin: 1rem 0 0;
  color: var(--colour-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-cta {
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
  background: var(--colour-red);
  color: var(--colour-white);
}

.page-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.page-cta h2 {
  max-width: 19ch;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.page-cta .hero-button {
  flex: 0 0 auto;
  border-color: var(--colour-white);
}

/* Premium Accordion */
.premium-accordion {
  border-top: 1px solid var(--colour-paper-line);
}

.premium-accordion .accordion-item {
  border: 0;
  border-bottom: 1px solid var(--colour-paper-line);
  border-radius: 0;
  background: var(--colour-transparent);
}

.premium-accordion .accordion-button {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  gap: 2rem;
  padding: 1.8rem 0;
  background: var(--colour-transparent);
  color: var(--colour-ink);
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3vw, 2.8rem);
  font-weight: 400;
  box-shadow: none;
}

.premium-accordion .accordion-button:not(.collapsed) {
  color: var(--colour-red);
}

.premium-accordion .accordion-button::after {
  width: 2rem;
  height: 2rem;
  margin: 0;
  background-size: 1rem;
}

.accordion-index {
  color: var(--colour-red);
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
}

.premium-accordion .accordion-body {
  padding: 0 0 2.25rem 6rem;
}

.premium-service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.premium-service-list li {
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--colour-paper-line);
  color: var(--colour-muted);
  font-size: 0.86rem;
}

.breadth-band {
  padding: 3.5rem 0;
  background: var(--colour-ink);
  color: var(--colour-paper);
}

.breadth-band p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.7vw, 2.6rem);
  line-height: 1.35;
}

.breadth-band .section-label > span {
  border-color: var(--colour-light-line);
  color: var(--colour-red-soft);
}

.breadth-band .section-label p {
  color: var(--colour-paper);
}

/* Contact Page */
.contact-page-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 9vw, 9rem);
  align-items: start;
}

.contact-page-intro p:not(.eyebrow) {
  max-width: 30rem;
  margin: 1.75rem 0 0;
  color: var(--colour-muted);
  line-height: 1.75;
}

.contact-page-email {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--colour-paper-line);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
}

.contact-page-form {
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--colour-ink);
  color: var(--colour-white);
}

/* Legal Pages */
.legal-heading {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: clamp(3rem, 8vw, 9rem);
  margin-bottom: 4rem;
}

.legal-list {
  border-top: 1px solid var(--colour-paper-line);
}

.legal-row {
  display: grid;
  grid-template-columns: 4rem 0.8fr 1.2fr;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--colour-paper-line);
}

.legal-row > span {
  color: var(--colour-red);
  font-size: 0.6rem;
}

.legal-row h2,
.legal-row p {
  margin: 0;
}

.legal-row h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
}

.legal-row p {
  color: var(--colour-muted);
  line-height: 1.7;
}

/* System Pages */
.system-page {
  min-height: 100svh;
  background: var(--colour-ink-deep);
}

.system-panel {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 3rem 5vw;
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}

.system-panel::before,
.system-panel::after {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
}

.system-panel::before {
  background: var(--colour-ink) url("../assets/images/contemporary-rural-home.webp") center / cover no-repeat;
}

.system-panel::after {
  z-index: -1;
  background: var(--colour-overlay-bottom);
}

.system-panel-inner {
  max-width: 50rem;
}

.system-panel img {
  width: min(15rem, 68vw);
  height: auto;
  margin-bottom: 3rem;
}

.system-panel h1 {
  margin: 0;
  color: var(--colour-paper);
  font-family: var(--font-serif);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.system-panel p {
  margin: 1.5rem 0 0;
  color: var(--colour-paper);
  opacity: 0.75;
}

/* Responsive */
@media (max-width: 991.98px) {
  :root {
    --shell: min(90vw, 45rem);
    --header-height: 5.4rem;
  }

  .home-header .home-shell {
    grid-template-columns: 1fr auto;
  }

  .home-brand {
    width: 10.75rem;
  }

.home-menu-button {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0.75rem;
    border: 1px solid var(--colour-line);
    border-radius: 50%;
  }

  .home-menu-button:focus {
    box-shadow: none;
  }

  .home-menu-button i {
    color: var(--colour-white);
    font-size: 1.25rem;
    line-height: 1;
  }

  .home-navigation {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    padding: 1rem 5vw 1.5rem;
    border-bottom: 1px solid var(--colour-line);
    background: var(--colour-glass);
    backdrop-filter: blur(1rem);
  }

  .home-navigation .navbar-nav {
    gap: 0;
  }

  .home-header .home-navigation .nav-link,
  .home-header .home-navigation .nav-link.active,
  .home-header .home-navigation .nav-link:hover,
  .home-header .home-navigation .nav-link:focus-visible {
    padding: 0.9rem 0;
    font-size: 0.75rem;
  }

  .home-navigation .nav-link::after {
    bottom: 0.55rem;
  }

  .hero-expertise {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .intro-grid,
  .services-heading,
  .experience-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intro-grid > .section-label,
  .services-heading > .section-label {
    max-width: 16rem;
  }

  .sector-section {
    grid-template-columns: 1fr;
  }

  .sector-visual,
  .sector-section {
    min-height: 34rem;
  }

  .sector-list {
    padding: 4rem 5vw;
  }

  .experience-image {
    min-height: 30rem;
  }

  .experience-path {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 2rem;
  }

  .footer-primary {
    grid-template-columns: 13rem 1fr;
  }

  .footer-primary nav,
  .footer-developer {
    grid-column: 1 / -1;
  }

  .page-intro-grid,
  .timeline-heading,
  .experience-editorial-heading,
  .accordion-intro,
  .contact-page-grid,
  .legal-heading {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .perspective-band {
    grid-template-columns: 1fr;
  }

  .perspective-image {
    min-height: 30rem;
  }

  .experience-editorial-row {
    grid-template-columns: 3rem 1fr;
  }

  .experience-editorial-row figure {
    grid-column: 2;
  }
}

@media (max-width: 767.98px) {
  .home-hero-media {
    background-position: 60% center;
  }

  .home-hero-inner {
    justify-content: flex-end;
    padding-top: 7.5rem;
    padding-bottom: 1.35rem;
  }

  .home-hero-content {
    margin-bottom: 1.25rem;
  }

  .hero-kicker {
    margin-bottom: 1rem;
    font-size: 0.58rem;
  }

  .home-hero h1 {
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 4.5rem);
    line-height: 0.92;
  }

  .hero-intro {
    max-width: 30rem;
    margin-top: 1.15rem;
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .hero-actions {
    margin-top: 1.2rem;
  }

  .hero-button {
    min-width: 0;
    min-height: 2.9rem;
    padding: 0 1rem;
    font-size: 0.6rem;
  }

  .hero-expertise p,
  .hero-scroll {
    display: none;
  }

  .hero-expertise ul {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 0.75rem;
  }

  .hero-expertise li {
    font-size: 0.85rem;
  }

  .home-intro,
  .experience-section,
  .services-section,
  .home-contact {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .intro-grid,
  .services-heading,
  .experience-grid,
  .contact-grid {
    gap: 2.25rem;
  }

  .intro-copy h2,
  .services-heading h2,
  .experience-copy h2,
  .contact-intro h2,
  .sector-heading h2 {
    font-size: clamp(2.65rem, 12vw, 4rem);
  }

  .intro-detail {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.75rem;
  }

  .landscape-frame {
    height: 20rem;
    margin-top: 3rem;
  }

  .landscape-frame figcaption {
    font-size: 0.52rem;
  }

  .sector-visual,
  .sector-section {
    min-height: 23rem;
  }

  .sector-visual > p {
    bottom: 1.5rem;
    left: 5vw;
  }

  .sector-list {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .sector-heading {
    margin-bottom: 2rem;
  }

  .sector-row {
    grid-template-columns: 2rem 1fr auto;
    padding: 1.2rem 0;
  }

  .sector-row p {
    display: none;
  }

  .experience-image {
    min-height: 21rem;
  }

  .experience-path {
    grid-template-columns: 1fr;
  }

  .services-heading {
    margin-bottom: 3rem;
  }

  .service-index a {
    grid-template-columns: 2.25rem 1fr auto;
    gap: 0.75rem;
    padding: 1.3rem 0;
  }

  .service-index p {
    display: none;
  }

  .home-contact {
    min-height: 0;
  }

  .home-form {
    padding: 1.4rem;
  }

  .form-line {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .footer-primary {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-primary nav {
    grid-column: auto;
  }

  .footer-secondary {
    flex-direction: column;
    margin-top: 2.5rem;
  }

  .interior-hero {
    min-height: 68svh;
  }

  .compact-hero {
    min-height: 54svh;
  }

  .interior-hero-inner {
    padding-bottom: 2.5rem;
  }

  .interior-hero h1 {
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 4.5rem);
    line-height: 0.92;
  }

  .interior-hero-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-section {
    padding: 4.5rem 0;
  }

  .page-lead,
  .timeline-heading h2,
  .experience-editorial-heading h2,
  .accordion-intro h2,
  .contact-page-intro h2,
  .legal-heading h2 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .timeline-heading,
  .experience-editorial-heading,
  .accordion-intro,
  .legal-heading {
    margin-bottom: 3rem;
  }

  .timeline-row {
    grid-template-columns: 2rem 1fr;
    gap: 1rem;
  }

  .timeline-row p {
    grid-column: 2;
  }

  .perspective-image,
  .perspective-band {
    min-height: 23rem;
  }

  .perspective-copy {
    padding: 3.5rem 5vw;
  }

  .experience-editorial-row {
    grid-template-columns: 2rem 1fr;
    gap: 1rem;
  }

  .experience-editorial-row figure {
    grid-column: 1 / -1;
    height: 15rem;
  }

  .experience-editorial-row > div {
    grid-column: 1 / -1;
  }

  .page-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .premium-accordion .accordion-button {
    grid-template-columns: 2rem 1fr auto;
    gap: 0.75rem;
    padding: 1.35rem 0;
  }

  .premium-accordion .accordion-body {
    padding: 0 0 1.75rem 2.75rem;
  }

  .premium-service-list {
    grid-template-columns: 1fr;
  }

  .legal-row {
    grid-template-columns: 2rem 1fr;
    gap: 1rem;
  }

  .legal-row p {
    grid-column: 2;
  }
}

@media (max-height: 680px) and (min-width: 768px) {
  .home-hero-inner {
    padding-top: 8.5rem;
    padding-bottom: 1.25rem;
  }

  .home-hero h1 {
    font-size: clamp(3.7rem, 6vw, 5.5rem);
  }

  .hero-intro {
    margin-top: 1rem;
  }

  .hero-actions {
    margin-top: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .home-hero-media,
  [data-hero-item],
  [data-reveal] {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}