:root {
  --navy-950: #071322;
  --navy-900: #0a192d;
  --navy-800: #11243c;
  --navy-700: #1b3553;
  --slate-600: #566579;
  --slate-400: #96a3b2;
  --slate-200: #d9dfe5;
  --slate-100: #e9edf1;
  --paper: #f5f5f2;
  --white: #ffffff;
  --ink: #10161d;
  --line: rgba(15, 31, 51, 0.15);
  --radius: 2px;
  --shadow: 0 24px 80px rgba(6, 18, 33, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -10rem; z-index: 100; background: white; padding: .85rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 88px;
  padding: 12px clamp(22px, 4vw, 68px);
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr);
  align-items: center;
  gap: 2rem;
  background: rgba(247, 247, 244, .96);
  border-bottom: 1px solid rgba(8, 22, 41, .12);
  backdrop-filter: blur(16px);
}
.brand { width: clamp(190px, 18vw, 250px); }
.brand img { width: 100%; }
.site-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.75rem); }
.site-nav a { position: relative; padding: .8rem 0; font-size: .84rem; font-weight: 600; letter-spacing: .04em; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: .45rem; height: 1px; background: var(--navy-900); transition: right .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.header-contact { justify-self: end; padding: .85rem 1.05rem; border: 1px solid var(--navy-900); font-size: .8rem; font-weight: 700; letter-spacing: .02em; transition: .2s ease; }
.header-contact:hover { background: var(--navy-900); color: white; }
.menu-toggle { display: none; background: none; border: 0; padding: .5rem; }

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: calc(100vh - 88px);
  background: var(--navy-950);
  color: white;
}
.hero::after { content: ""; position: absolute; width: 45vw; height: 125%; right: -19vw; top: -15%; background: linear-gradient(90deg, transparent, rgba(255,255,255,.035)); transform: rotate(17deg); }
.hero-grid { position: absolute; inset: 0; opacity: .24; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, black, transparent 70%); }
.hero-copy { position: relative; z-index: 2; padding: clamp(70px, 8vw, 125px) clamp(30px, 7vw, 115px); align-self: center; }
.eyebrow { display: flex; align-items: center; gap: .8rem; margin: 0 0 1.5rem; color: #b8c5d5; font-size: .73rem; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow span { width: 30px; height: 2px; background: currentColor; }
.eyebrow-dark { color: var(--navy-700); }
.hero h1, .section-heading h2, .delivery h2, .enquiry-heading h2 { margin: 0; font-family: "Manrope", sans-serif; font-weight: 700; letter-spacing: -.055em; line-height: .98; }
.hero h1 { max-width: 780px; font-size: clamp(3.3rem, 6.2vw, 7.2rem); }
.hero h1 em { color: #aeb9c8; font-style: normal; font-weight: 500; }
.hero-intro { max-width: 650px; margin: 2rem 0 0; color: #c5cfda; font-size: clamp(1rem, 1.2vw, 1.2rem); line-height: 1.7; }
.identity-note { display: flex; align-items: center; gap: .75rem; margin: 1rem 0 0; color: #8fa0b5; font-size: .72rem; letter-spacing: .035em; }
.identity-note::before { content: ""; width: 18px; height: 1px; background: #60738c; }
.hero-actions { display: flex; align-items: center; gap: 1.8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.4rem; min-height: 54px; padding: .9rem 1.15rem; border: 1px solid transparent; border-radius: var(--radius); font-size: .82rem; font-weight: 700; letter-spacing: .035em; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { background: white; color: var(--navy-950); }
.button-navy { background: var(--navy-900); color: white; }
.text-link { padding: .8rem 0; border-bottom: 1px solid #74849a; color: #dde5ed; font-size: .86rem; font-weight: 600; }
.hero-proof { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 680px; gap: 1rem; margin-top: clamp(3rem, 7vh, 5.5rem); padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.2); }
.hero-proof div { display: flex; align-items: flex-start; gap: .75rem; }
.hero-proof strong { color: #7f90a5; font-size: .7rem; letter-spacing: .08em; }
.hero-proof span { color: #e3e8ee; font-size: .78rem; line-height: 1.45; }

.hero-visual { position: relative; z-index: 2; min-height: 620px; margin: clamp(34px, 4vw, 68px) clamp(24px, 4vw, 70px) clamp(34px, 4vw, 68px) 0; align-self: stretch; background: linear-gradient(150deg, rgba(34,53,78,.92), rgba(10,25,45,.92)); border: 1px solid rgba(255,255,255,.15); box-shadow: 0 35px 100px rgba(0,0,0,.28); }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; width: 30px; height: 30px; border-color: rgba(255,255,255,.4); }
.hero-visual::before { left: 16px; top: 16px; border-left: 1px solid; border-top: 1px solid; }
.hero-visual::after { right: 16px; bottom: 16px; border-right: 1px solid; border-bottom: 1px solid; }
.hero-visual svg { width: 100%; height: calc(100% - 100px); min-height: 500px; }
.visual-label, .visual-note { position: absolute; z-index: 2; left: 30px; right: 30px; display: flex; justify-content: space-between; color: #c5d0dd; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; }
.visual-label { top: 26px; }
.visual-label::after { content: "ALS / ACCESS"; color: #71839a; }
.visual-note { bottom: 26px; }
.diagram-callout line, .diagram-callout circle { stroke: #b8c6d6; fill: #b8c6d6; }
.diagram-callout text { fill: #dfe7ef; font-size: 13px; font-family: "DM Sans", sans-serif; letter-spacing: 2px; }

.services-section { padding: clamp(75px, 10vw, 150px) clamp(22px, 6vw, 100px) clamp(75px, 9vw, 135px); }
.section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 6vw; align-items: end; max-width: 1420px; margin: 0 auto 4.5rem; }
.section-heading h2, .delivery h2, .enquiry-heading h2 { font-size: clamp(2.6rem, 4.8vw, 5.2rem); color: var(--navy-950); }
.section-heading > p { max-width: 540px; justify-self: end; margin: 0 0 .4rem; color: var(--slate-600); font-size: 1.05rem; line-height: 1.7; }
.service-explorer { max-width: 1420px; margin: 0 auto; display: grid; grid-template-columns: minmax(260px, .72fr) 1.8fr; box-shadow: var(--shadow); }
.service-tabs { background: #e5e8ea; border: 1px solid var(--line); }
.service-tab { width: 100%; min-height: 126px; position: relative; display: grid; grid-template-columns: 46px 1fr; grid-template-rows: auto auto; align-content: center; text-align: left; padding: 1.25rem 1.5rem; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--navy-950); cursor: pointer; transition: background .2s ease, color .2s ease; }
.service-tab:last-child { border-bottom: 0; }
.service-tab > span { grid-row: 1 / 3; color: #7d8997; font-size: .7rem; letter-spacing: .12em; }
.service-tab strong { font-family: "Manrope", sans-serif; font-size: 1.1rem; }
.service-tab small { margin-top: .3rem; color: #657283; font-size: .76rem; }
.service-tab.is-active { background: var(--navy-900); color: white; }
.service-tab.is-active small, .service-tab.is-active > span { color: #aebdce; }
.service-tab.is-active::after { content: "→"; position: absolute; right: 1.4rem; top: 50%; transform: translateY(-50%); }
.service-panel { min-height: 504px; display: grid; grid-template-columns: 1.08fr .92fr; background: white; }
.service-panel-copy { padding: clamp(34px, 4vw, 64px); }
.panel-kicker { margin: 0 0 1rem; color: var(--navy-700); font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.service-panel h3 { margin: 0; font-family: "Manrope", sans-serif; font-size: clamp(2.2rem, 3.4vw, 4rem); letter-spacing: -.045em; line-height: 1; }
.service-panel-copy > p:not(.panel-kicker) { max-width: 610px; margin: 1.4rem 0 1.8rem; color: var(--slate-600); font-size: .98rem; line-height: 1.65; }
.service-panel ul { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem 1.5rem; margin: 0 0 2rem; padding: 0; list-style: none; }
.service-panel li { position: relative; padding-left: 1.25rem; font-size: .8rem; line-height: 1.5; }
.service-panel li::before { content: ""; position: absolute; left: 0; top: .5em; width: 6px; height: 6px; background: var(--navy-700); transform: rotate(45deg); }
.service-graphic { position: relative; overflow: hidden; min-height: 100%; background: var(--navy-800); color: white; }
.service-graphic::after { content: ""; position: absolute; inset: 0; background: linear-gradient(145deg, rgba(255,255,255,.08), transparent 52%); }
.service-graphic p { position: absolute; z-index: 2; left: 30px; bottom: 22px; max-width: 200px; margin: 0; color: #bdc8d5; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.graphic-index { position: absolute; z-index: 2; top: 24px; right: 26px; color: #8798ac; font-size: .68rem; letter-spacing: .16em; }
.net-grid { position: absolute; inset: 15% -18% 18% 10%; border: 2px solid #aab8c8; transform: perspective(460px) rotateX(60deg) rotateZ(-10deg); background-image: linear-gradient(#75869b 1px, transparent 1px), linear-gradient(90deg, #75869b 1px, transparent 1px); background-size: 28px 28px; }
.structure-line { position: absolute; z-index: 2; height: 8px; background: #e1e7ed; transform-origin: left center; }
.structure-line-one { width: 82%; left: 5%; top: 28%; transform: rotate(-15deg); }
.structure-line-two { width: 72%; left: 18%; top: 44%; transform: rotate(14deg); }
.service-graphic[data-service-graphic="roof"] .net-grid { border: 0; background-size: 42px 42px; transform: perspective(460px) rotateX(62deg) rotateZ(2deg); }
.service-graphic[data-service-graphic="facade"] .net-grid { inset: 4% 12% 8% 36%; transform: perspective(540px) rotateY(-28deg); background-size: 34px 34px; }
.service-graphic[data-service-graphic="upgrades"] .net-grid { inset: 18% 8% 12% 8%; transform: rotate(-8deg); background-size: 52px 52px; }
.service-graphic[data-service-graphic="inspections"] .net-grid { inset: 12% 10%; border-radius: 50%; transform: scale(.78); background-size: 24px 24px; }

.project-feature { max-width: 1420px; margin: clamp(80px, 10vw, 150px) auto 0; display: grid; grid-template-columns: .75fr 1.25fr; min-height: 710px; background: var(--navy-950); color: white; box-shadow: var(--shadow); }
.project-story { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(36px, 5vw, 76px); }
.project-story .eyebrow { margin-bottom: 2.4rem; }
.project-location { margin: 0 0 .75rem; color: #91a0b3; font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.project-story h2 { margin: 0; font-family: "Manrope", sans-serif; font-size: clamp(3rem, 5vw, 5.8rem); letter-spacing: -.055em; line-height: .94; }
.project-lead { max-width: 510px; margin: 1.7rem 0 0; color: #b8c4d1; font-size: .98rem; line-height: 1.75; }
.project-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2rem 0 2.4rem; }
.project-tags span { padding: .65rem .8rem; border: 1px solid rgba(255,255,255,.2); color: #d6dee7; font-size: .67rem; letter-spacing: .08em; text-transform: uppercase; }
.project-gallery { min-width: 0; display: grid; grid-template-columns: 1.05fr .95fr; grid-template-rows: repeat(3, 1fr); gap: 3px; background: var(--navy-950); }
.project-image { position: relative; overflow: hidden; min-height: 0; margin: 0; background: var(--navy-800); }
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-image:hover img { transform: scale(1.025); }
.project-image-building { grid-row: 1 / 4; }
.project-image-aerial { grid-column: 2; grid-row: 1; }
.project-image-detail { grid-column: 2; grid-row: 2; }
.project-image-walkway { display: block; grid-column: 2; grid-row: 3; }
.project-image figcaption { position: absolute; left: 18px; bottom: 16px; padding: .55rem .7rem; background: rgba(7,19,34,.84); color: white; font-size: .63rem; letter-spacing: .1em; text-transform: uppercase; backdrop-filter: blur(8px); }

.delivery { max-width: 1420px; margin: clamp(80px, 10vw, 140px) auto 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 7vw; }
.delivery-intro h2 { max-width: 590px; font-size: clamp(2.4rem, 4vw, 4.2rem); }
.delivery-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.delivery-steps li { display: grid; grid-template-columns: 54px 1fr; gap: 1rem; padding: 1.55rem 0; border-bottom: 1px solid var(--line); }
.delivery-steps li > span { color: #7d8997; font-size: .72rem; letter-spacing: .1em; }
.delivery-steps h3 { margin: 0 0 .5rem; font-family: "Manrope", sans-serif; font-size: 1.05rem; }
.delivery-steps p { margin: 0; color: var(--slate-600); font-size: .88rem; line-height: 1.55; }

.enquiry-section { padding: clamp(75px, 9vw, 130px) clamp(22px, 6vw, 100px); display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(48px, 8vw, 130px); background: var(--navy-950); color: white; }
.enquiry-heading { position: sticky; top: 130px; align-self: start; }
.enquiry-heading h2 { color: white; font-size: clamp(2.6rem, 4.4vw, 5rem); }
.enquiry-heading > p:not(.eyebrow) { max-width: 540px; margin: 1.7rem 0; color: #acb8c6; line-height: 1.7; }
.sales-email { display: inline-flex; gap: 1.2rem; padding: .9rem 0; border-bottom: 1px solid #5b6c80; font-weight: 700; }
.enquiry-builder { padding: clamp(28px, 4vw, 56px); background: #f6f6f3; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.22); }
.form-trap { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; pointer-events: none !important; }
.form-success { display: grid; gap: .35rem; margin-bottom: 2rem; padding: 1.1rem 1.2rem; border-left: 3px solid #6e8dac; background: #e6edf3; color: var(--navy-900); }
.form-success[hidden] { display: none; }
.form-success strong { font-family: "Manrope", sans-serif; }
.form-success span { color: var(--slate-600); font-size: .8rem; line-height: 1.5; }
.enquiry-builder fieldset { margin: 0 0 2.2rem; padding: 0; border: 0; }
.enquiry-builder legend { margin-bottom: 1.15rem; font-family: "Manrope", sans-serif; font-size: 1rem; font-weight: 700; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.choice-grid label { cursor: pointer; }
.choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.choice-grid span { min-height: 50px; display: flex; align-items: center; padding: .8rem 1rem; border: 1px solid #c9d0d7; background: white; font-size: .8rem; font-weight: 600; transition: .2s ease; }
.choice-grid input:checked + span { background: var(--navy-900); color: white; border-color: var(--navy-900); }
.choice-grid input:focus-visible + span { outline: 3px solid #7aa4d6; outline-offset: 2px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.enquiry-builder fieldset > label, .field-row label { display: grid; gap: .5rem; margin-top: 1rem; color: #485564; font-size: .72rem; font-weight: 700; letter-spacing: .02em; }
.enquiry-builder input[type="text"], .enquiry-builder input[type="email"], .enquiry-builder input[type="tel"], .enquiry-builder select, .enquiry-builder textarea { width: 100%; border: 1px solid #c9d0d7; border-radius: 0; background: white; color: var(--ink); padding: .9rem 1rem; outline: none; }
.enquiry-builder input:focus, .enquiry-builder select:focus, .enquiry-builder textarea:focus { border-color: var(--navy-700); box-shadow: 0 0 0 3px rgba(30,59,91,.1); }
.enquiry-builder textarea { resize: vertical; min-height: 110px; }
.brief-card { margin-top: 2.8rem; padding: 1.45rem; background: var(--navy-900); color: white; }
.brief-card-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.16); }
.brief-card-head span { font-family: "Manrope", sans-serif; font-weight: 700; }
.brief-card-head small { color: #9dabbc; font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }
.brief-card pre { margin: 1.2rem 0; min-height: 110px; white-space: pre-wrap; color: #c7d0db; font-family: "DM Sans", sans-serif; font-size: .77rem; line-height: 1.7; }
.brief-card .button { width: 100%; }
.button.is-disabled, .button:disabled { opacity: .45; pointer-events: none; }
.privacy-note { display: block; margin-top: .8rem; color: #8291a3; font-size: .64rem; line-height: 1.5; }

.site-footer { position: relative; display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 3rem; padding: 54px clamp(22px, 6vw, 100px); background: #eceeec; border-top: 1px solid #d3d8dc; }
.footer-brand img { width: min(290px, 100%); }
.footer-brand p, .footer-meta p { margin: 1rem 0 0; color: var(--slate-600); font-size: .76rem; }
.footer-meta a { font-weight: 700; }
.footer-meta .separation-note { margin-top: .35rem; font-size: .68rem; }
.back-top { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--navy-900); }

.reveal { animation: rise .7s ease both; }
.reveal-delay { animation-delay: .12s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { order: 3; grid-column: 1 / -1; justify-content: center; padding-top: .2rem; }
  .header-contact { grid-column: 2; grid-row: 1; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 30px; }
  .hero-visual { min-height: 500px; margin: 10px clamp(24px, 6vw, 70px) clamp(34px, 6vw, 70px); }
  .service-explorer { grid-template-columns: 1fr; }
  .service-tabs { display: grid; grid-template-columns: repeat(5, 1fr); }
  .service-tab { min-height: 116px; display: flex; flex-direction: column; gap: .35rem; border-right: 1px solid var(--line); border-bottom: 0; }
  .service-tab > span { position: absolute; right: 12px; top: 12px; }
  .service-tab.is-active::after { display: none; }
  .enquiry-section { grid-template-columns: 1fr; }
  .enquiry-heading { position: static; }
  .project-feature { grid-template-columns: 1fr; }
  .project-story { min-height: 480px; }
  .project-gallery { min-height: 650px; }
}

@media (max-width: 720px) {
  .site-header { min-height: 72px; padding: 10px 18px; }
  .brand { width: 170px; }
  .header-contact { display: none; }
  .menu-toggle { justify-self: end; display: grid; gap: 5px; }
  .menu-toggle span { width: 24px; height: 2px; background: var(--navy-950); transition: .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 72px; padding: 1rem 20px 1.4rem; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; }
  .hero-copy { padding: 74px 22px 34px; }
  .hero h1 { font-size: clamp(3.05rem, 15vw, 4.6rem); }
  .hero-intro { font-size: .98rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: .4rem; }
  .hero-actions .button { width: 100%; }
  .text-link { align-self: flex-start; }
  .hero-proof { grid-template-columns: 1fr; gap: .7rem; margin-top: 3rem; }
  .hero-proof div { padding-bottom: .7rem; border-bottom: 1px solid rgba(255,255,255,.1); }
  .hero-visual { min-height: 400px; margin: 0 18px 24px; }
  .hero-visual svg { min-height: 375px; }
  .visual-note { font-size: .55rem; }
  .services-section { padding-left: 18px; padding-right: 18px; }
  .section-heading { grid-template-columns: 1fr; gap: 1.3rem; margin-bottom: 2.5rem; }
  .section-heading > p { justify-self: start; font-size: .95rem; }
  .service-tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .service-tab { min-height: 100px; padding: 1rem; border-bottom: 1px solid var(--line); }
  .service-tab:nth-child(2n) { border-right: 0; }
  .service-tab:last-child { grid-column: 1 / -1; border-right: 0; }
  .service-panel { grid-template-columns: 1fr; }
  .service-panel-copy { padding: 30px 22px; }
  .service-panel ul { grid-template-columns: 1fr; }
  .service-graphic { min-height: 310px; }
  .service-choices label:last-child { grid-column: 1 / -1; }
  .project-feature { margin-top: 80px; }
  .project-story { min-height: auto; padding: 48px 24px; }
  .project-gallery { min-height: 760px; grid-template-columns: 1fr 1fr; grid-template-rows: 1.3fr 1fr 1fr; }
  .project-image-building { grid-column: 1 / -1; grid-row: 1; }
  .project-image-aerial { grid-column: 1; grid-row: 2; }
  .project-image-detail { grid-column: 2; grid-row: 2; }
  .project-image-walkway { display: block; grid-column: 1 / -1; grid-row: 3; }
  .delivery { grid-template-columns: 1fr; gap: 2.5rem; }
  .enquiry-section { padding-left: 18px; padding-right: 18px; }
  .enquiry-builder { padding: 26px 18px; }
  .choice-grid, .field-row { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; align-items: start; gap: 2rem; padding-left: 18px; padding-right: 18px; }
  .back-top { position: absolute; right: 18px; top: 54px; }
}