:root { color-scheme: light; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
svg {
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-v1 {
  --primary: #0b66c3; --accent: #3bbb55; --dark: #052844;
  --bg: #f6faff; --surface: #fff; --text: #122b3c; --muted: #5a7182;
  --line: #dbe7ef; --radius: 18px; --panel-rgb: 246,250,255;
  --detail-image: url("images/nitrogen-argon-1200.webp"); --related-image: url("images/hero-industrial-1280.webp"); --audience-image: url("images/supply-1200.webp");
}

.topline { height: 34px; background: var(--dark); color: #fff; font: 12px/1 Arial, sans-serif; }
.topline > div {
  width: min(1240px, 100%); height: 100%; margin: auto; padding: 0 24px;
  display: flex; justify-content: flex-end; align-items: center; gap: 22px;
}
.topline a { text-decoration: none; }
.topline .top-since { color: var(--accent); letter-spacing: .04em; }
.topline .top-landline { font-weight: 700; }
.site-header {
  position: relative; z-index: 50; width: min(1280px, 100%); height: 82px;
  margin: auto; padding: 9px 24px; display: flex; align-items: center; gap: 20px;
  background: var(--surface);
}
.brand { width: 205px; height: 58px; display: flex; align-items: center; flex: none; }
.brand img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.brand-name { max-width: 190px; color: var(--text); font: 800 14px/1.25 Arial,sans-serif; }
.desktop-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.desktop-nav > a, .services-trigger {
  padding: 10px 12px; border: 0; border-radius: 9px; background: none;
  color: var(--text); font: 700 14px/1 Arial, sans-serif; text-decoration: none;
  display: flex; align-items: center; gap: 6px; cursor: pointer;
}
.desktop-nav > a:hover, .desktop-nav > a[aria-current="page"],
.services-trigger:hover, .services-trigger[aria-expanded="true"] { color: var(--primary); background: rgba(11, 102, 195, .08); }
.services-menu { position: relative; }
.services-trigger svg { width: 13px; height: 13px; }
.mega-menu {
  position: absolute; top: 48px; right: -120px; z-index: 100; width: 560px;
  padding: 17px; display: grid; grid-template-columns: 1fr 1fr; gap: 5px;
  background: var(--surface); color: var(--text); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: 0 24px 65px rgba(7, 20, 30, .2);
  opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s ease;
}
.mega-menu.open { opacity: 1; visibility: visible; transform: none; }
.mega-menu a {
  min-height: 44px; padding: 10px 12px; border-radius: 9px; display: flex;
  align-items: center; justify-content: space-between; gap: 10px;
  color: var(--text); text-decoration: none; font: 700 14px/1.25 Arial, sans-serif;
}
.mega-menu a:hover { color: var(--primary); background: rgba(11, 102, 195, .08); }
.header-cta {
  min-height: 44px; padding: 10px 15px; display: inline-flex; align-items: center; gap: 8px;
  border-radius: 999px; background: linear-gradient(110deg,#17a84e,#26cf69,#14a2cf,#17a84e); background-size: 260% 100%;
  color: #fff; text-decoration: none; box-shadow: 0 10px 24px rgba(23,168,78,.2);
  font: 800 14px/1 Arial, sans-serif; white-space: nowrap; animation: buttonFlow 6s ease infinite;
}
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(23,168,78,.3); }
.menu-toggle { display: none; padding: 9px; border: 0; background: transparent; color: var(--text); }
.mobile-drawer, .drawer-backdrop { display: none; }

.page-hero { position: relative; overflow: hidden; background: var(--dark); }
.home-hero { min-height: 590px; }
.inner-hero { min-height: 430px; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; animation: heroDrift 16s ease-in-out infinite alternate; }
.hero-shade { background: linear-gradient(90deg, rgba(3, 18, 31, .94), rgba(5, 37, 61, .72) 48%, rgba(5, 37, 61, .08)); }
.hero-copy {
  position: relative; z-index: 2; width: min(1240px, 100%); margin: auto;
  padding: 92px 24px 76px; color: #fff;
}
.inner-hero .hero-copy { padding-top: 70px; padding-bottom: 62px; }
.hero-copy > * { max-width: 650px; }
.eyebrow, .section-heading > span, .enquiry-card > span, .final-cta > span {
  display: block; margin-bottom: 11px; color: var(--accent); font: 900 12px/1.4 Arial, sans-serif;
  letter-spacing: .16em; text-transform: uppercase;
}
.hero-copy h1 {
  max-width: 700px; margin: 0 0 18px; font-size: clamp(36px, 4.4vw, 54px);
  line-height: 1.04; letter-spacing: -.035em;
}
.inner-hero .hero-copy h1 { font-size: clamp(32px, 3.8vw, 46px); }
.hero-copy p { max-width: 580px; margin: 0 0 25px; color: #e8f1f6; font-size: 17px; }
.hero-actions, .final-cta > div { display: flex; flex-wrap: wrap; gap: 11px; }
.btn {
  min-height: 46px; padding: 11px 17px; border: 1px solid transparent; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  position: relative; overflow: hidden; font: 900 14px/1.2 Arial, sans-serif;
  text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px color-mix(in srgb,var(--primary) 28%,transparent); }
.btn.primary {
  background: linear-gradient(110deg,var(--primary),var(--accent),var(--primary)); background-size: 240% 100%;
  color: #fff; animation: buttonFlow 5.5s ease infinite;
}
.btn.secondary { border-color: currentColor; background: rgba(255, 255, 255, .07); color: inherit; }
.btn.secondary:hover { border-color: var(--accent); background: color-mix(in srgb,var(--accent) 18%,transparent); }
.hero-tag {
  position: absolute; right: 38px; bottom: 30px; z-index: 3; padding: 15px 21px;
  display: flex; align-items: center; gap: 10px; border-radius: var(--radius);
  background: var(--surface); color: var(--text); box-shadow: 0 16px 42px rgba(0, 0, 0, .2);
}
.hero-tag span { color: var(--primary); font-size: 29px; font-weight: 900; }
.hero-tag span { white-space: nowrap; }
.hero-tag small { max-width: 120px; line-height: 1.15; }

.section { padding: 82px max(24px, calc((100vw - 1240px) / 2)); }
.section-heading { max-width: 690px; margin-bottom: 36px; }
.section-heading h2, .story-copy h2, .showcase-copy h2, .action-copy h2,
.detail-main h2, .contact-panel h2 {
  margin: 0 0 16px; font-size: clamp(28px, 3.2vw, 40px); line-height: 1.12; letter-spacing: -.025em;
}
.section-heading p, .story-copy p, .showcase-copy p, .action-copy p, .detail-main p { color: var(--muted); }
.proof-band {
  position: relative; z-index: 4; width: min(1080px, calc(100% - 48px)); margin: -20px auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden;
  background: var(--surface); border-radius: var(--radius); box-shadow: 0 18px 45px rgba(6, 33, 59, .12);
}
.proof-band > div { padding: 23px 25px; border-right: 1px solid var(--line); }
.proof-band > div:last-child { border-right: 0; }
.proof-band strong, .proof-band span { display: block; }
.proof-band strong { font-size: 17px; }
.proof-band span { color: var(--muted); font-size: 13px; }
.intro-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: start; }
.gas-pills { display: flex; flex-wrap: wrap; gap: 9px; }
.gas-pills span {
  padding: 10px 13px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); font: 700 14px/1.2 Arial, sans-serif;
  transition: transform .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.gas-pills span:hover { transform: translateY(-2px); color: var(--primary); border-color: var(--accent); box-shadow: 0 9px 20px color-mix(in srgb,var(--accent) 18%,transparent); }
.tinted { background: #eef6fd; }
.service-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.service-card {
  overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--text); text-decoration: none; transition: .25s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 45px rgba(10, 25, 36, .13); }
.card-image { height: 205px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .card-image img { transform: scale(1.045); }
.card-copy { padding: 20px; }
.card-accent { width: 44px; height: 5px; display: block; border-radius: 999px; background: linear-gradient(90deg,var(--primary),var(--accent)); box-shadow: 0 5px 15px color-mix(in srgb,var(--primary) 28%,transparent); }
.card-copy h3 { margin: 14px 0 8px; font-size: 20px; line-height: 1.2; }
.card-copy p { color: var(--muted); font-size: 14px; }
.card-copy b, .text-link { display: flex; align-items: center; gap: 8px; color: var(--primary); font: 800 14px/1.3 Arial, sans-serif; }
.split-story, .showcase, .action-split { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; align-items: center; }
.story-image, .showcase-image, .action-photo { min-height: 440px; overflow: hidden; border-radius: var(--radius); }
.story-image img, .showcase-image img, .action-photo img { width: 100%; height: 100%; object-fit: cover; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.audience-card { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb,var(--surface) 94%,transparent); backdrop-filter: blur(8px); transition: transform .25s ease, box-shadow .25s ease; }
.audience-card:hover { transform: translateY(-5px); box-shadow: 0 18px 36px color-mix(in srgb,var(--primary) 14%,transparent); }
.audience-card h3 { margin: 15px 0 4px; font-size: 21px; }
.audience-card p { color: var(--muted); font-size: 14px; }

.detail-layout, .contact-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 52px; align-items: start; }
.detail-main { font-size: 17px; }
.detail-main .gas-pills { margin-top: 26px; }
.check-list { margin-top: 26px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 11px; list-style: none; }
.check-list li { padding: 13px 15px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); font-weight: 700; }
.check-list li::before { content: "✓"; margin-right: 9px; color: var(--primary); }
.detail-grid { margin-top: 26px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.detail-grid article { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.detail-grid b { color: var(--primary); }
.detail-grid h3 { margin: 8px 0; }
.service-kicker, .step-label { color: var(--primary); font: 900 12px/1.3 Arial,sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.enquiry-card {
  position: sticky; top: 20px; padding: 30px; border-radius: var(--radius);
  background: var(--dark); color: #fff; box-shadow: 0 18px 48px rgba(0, 0, 0, .15);
}
.enquiry-card h3 { margin: 8px 0; font-size: 25px; line-height: 1.15; }
.enquiry-card p { color: #cbd3d8; }
.detail-layout, .contact-layout, .related, .audience-section {
  position: relative; isolation: isolate; background-position: center; background-size: cover;
}
.detail-layout { background-image: linear-gradient(rgba(var(--panel-rgb),.91),rgba(var(--panel-rgb),.94)),var(--detail-image); }
.contact-layout { background-image: linear-gradient(rgba(var(--panel-rgb),.89),rgba(var(--panel-rgb),.94)),var(--related-image); }
.related { padding-top: 54px; background-image: linear-gradient(rgba(var(--panel-rgb),.87),rgba(var(--panel-rgb),.93)),var(--related-image); }
.audience-section { background-image: linear-gradient(rgba(var(--panel-rgb),.86),rgba(var(--panel-rgb),.93)),var(--audience-image); }
.detail-layout::after, .contact-layout::after, .related::after, .audience-section::after {
  content: ""; position: absolute; z-index: -1; width: 190px; height: 190px; right: 5%; top: 12%;
  border-radius: 50%; background: radial-gradient(circle at 35% 35%,var(--accent),transparent 68%); opacity: .16;
  animation: ambientFloat 7s ease-in-out infinite alternate;
}
.related-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.related-links a {
  min-height: 62px; padding: 17px 19px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(110deg,var(--surface),color-mix(in srgb,var(--accent) 10%,var(--surface)),var(--surface)); background-size: 240% 100%;
  display: flex; align-items: center; justify-content: space-between; font-weight: 800; text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease; animation: buttonFlow 9s ease infinite;
}
.related-links a:hover { transform: translateY(-3px); box-shadow: 0 14px 28px color-mix(in srgb,var(--primary) 16%,transparent); }
.contact-panel { padding: 34px; border-radius: var(--radius); background: var(--dark); color: #fff; }
.contact-panel > a, .contact-panel > div:not(.hours) {
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.14);
  display: flex; align-items: center; gap: 13px; text-decoration: none;
}
.contact-panel svg { width: 22px; height: 22px; }
.contact-panel small, .contact-panel span { display: block; }
.contact-panel small { color: rgba(255,255,255,.62); }
.hours { margin-top: 24px; padding: 16px; display: flex; align-items: center; gap: 12px; background: var(--primary); }
.hours b { font-size: 25px; }
.contact-form {
  padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
}
.field { display: grid; gap: 6px; }
.field.full, .form-error, .contact-form button { grid-column: 1 / -1; }
.field label { font: 800 14px/1.4 Arial, sans-serif; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 13px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--bg); color: var(--text); font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(11,102,195,.2); border-color: var(--primary); }
.form-error { margin: 0; color: #b71919; }
.final-cta {
  position: relative; width: min(1160px, calc(100% - 48px)); margin: 18px auto 78px; padding: 52px;
  overflow: hidden; border-radius: calc(var(--radius) * 1.25); background: var(--dark); color: #fff;
}
.final-cta::after {
  content: ""; position: absolute; top: -140px; right: -70px; width: 290px; height: 290px;
  border-radius: 50%; background: var(--primary); opacity: .22;
}
.final-cta h2 { max-width: 680px; margin: 9px 0 24px; font-size: clamp(28px, 3.6vw, 41px); line-height: 1.1; }

.site-footer {
  position: relative; padding: 62px max(24px, calc((100vw - 1240px) / 2)) 20px;
  background: color-mix(in srgb,var(--surface) 86%,var(--accent)); color: var(--text); border-top: 1px solid var(--line);
}
.site-footer::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg,var(--primary),var(--accent),var(--primary)); background-size: 220% 100%; animation: buttonFlow 7s linear infinite; }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr); gap: 38px; }
.footer-brand img { width: 260px; height: 92px; margin-bottom: 18px; padding: 10px 13px; object-fit: contain; object-position: left center; background: #fff; border: 1px solid color-mix(in srgb,var(--primary) 18%,#fff); border-radius: 14px; box-shadow: 0 13px 30px color-mix(in srgb,var(--primary) 14%,transparent); }
.footer-brand p { max-width: 360px; color: var(--muted); }
.footer-grid h3 { color: var(--primary); font: 800 14px/1.4 Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid > div > a, .footer-grid > div > span { display: block; margin: 8px 0; color: var(--text); font: 14px/1.45 Arial, sans-serif; text-decoration: none; }
.footer-grid > div > a:hover { color: var(--primary); }
.footer-bottom { margin-top: 45px; padding-top: 17px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font: 13px/1.4 Arial, sans-serif; }
.social-row { margin-top: 21px; display: flex; gap: 8px; }
.social-row > a { display: flex; text-decoration: none; border-radius: 10px; }
.social { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; background: #fff; box-shadow: 0 8px 18px rgba(0,0,0,.11); animation: socialFloat 3.4s ease-in-out infinite; }
.social-row > :nth-child(2) .social, .social-row > .social:nth-child(2) { animation-delay: -.7s; }
.social-row > :nth-child(3) .social, .social-row > .social:nth-child(3) { animation-delay: -1.4s; }
.social-row > :nth-child(4) .social, .social-row > .social:nth-child(4) { animation-delay: -2.1s; }
.social svg { width: 19px; height: 19px; fill: currentColor; stroke: none; }
.social.facebook { color: #1877f2; } .social.instagram { color: #d62976; }
.social.instagram svg { fill: none; stroke: currentColor; stroke-width: 2; }
.social.instagram .fill { fill: currentColor; stroke: none; }
.social.linkedin { color: #0a66c2; } .social.youtube { color: #f00; }
.social.youtube .knock { fill: #fff; }
.floating-wa {
  position: fixed; right: 18px; bottom: 18px; z-index: 40; min-height: 47px; padding: 11px 15px;
  border-radius: 999px; background: #1ebd5a; color: #fff; display: flex; align-items: center; gap: 8px;
  box-shadow: 0 13px 35px rgba(8, 45, 24, .48); font: 900 14px/1 Arial, sans-serif; text-decoration: none;
  animation: waPulse 3s ease-in-out infinite;
}
.floating-wa svg { width: 21px; height: 21px; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

.theme-v1 .site-header { border-radius: 0 0 20px 20px; box-shadow: 0 10px 28px rgba(5,40,68,.08); }
.theme-v1 .home-hero { background: #052844; clip-path: polygon(0 0,100% 0,100% 94%,78% 100%,0 97%); }
.theme-v1 .hero-media { left: 41%; }
.theme-v1 .hero-copy { background: linear-gradient(120deg,rgba(5,40,68,.82) 0 49%,rgba(5,40,68,.3) 62%,transparent 76%); }
.theme-v1 .hero-shade { background: linear-gradient(90deg,rgba(5,40,68,.78) 0,rgba(5,40,68,.52) 38%,rgba(5,40,68,.04) 74%); }
.theme-v1 .btn.primary { background: linear-gradient(110deg,#0b66c3,#3bbb55,#168dde,#0b66c3); background-size: 260% 100%; }
.theme-v1 .site-footer { background: #e8f6ff; }


@keyframes heroDrift { from { transform: scale(1); } to { transform: scale(1.035); } }
@keyframes buttonFlow { 0%,100% { background-position: 0 50%; } 50% { background-position: 100% 50%; } }
@keyframes socialFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes ambientFloat { from { transform: translate3d(0,0,0) scale(.9); } to { transform: translate3d(-34px,24px,0) scale(1.08); } }
@keyframes waPulse { 0%,100% { box-shadow: 0 13px 35px rgba(8,45,24,.4); } 50% { box-shadow: 0 13px 35px rgba(8,45,24,.4),0 0 0 9px rgba(30,189,90,.1); } }

@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .menu-toggle { margin-left: auto; display: grid; place-items: center; }
  .site-header { gap: 9px; }
  .brand { width: 190px; }
  .header-cta { margin-left: 0; }
  .service-cards { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
  .drawer-backdrop {
    position: fixed; inset: 0; z-index: 100; display: block; background: rgba(7,17,29,.64);
    opacity: 0; transition: opacity .2s ease;
  }
  .drawer-backdrop.open { opacity: 1; }
  .mobile-drawer {
    position: fixed; inset: 0 auto 0 0; z-index: 110; width: min(86vw, 380px); padding: 21px;
    display: block; overflow-y: auto; background: var(--surface); color: var(--text);
    box-shadow: 20px 0 55px rgba(0,0,0,.2); transform: translateX(-105%); transition: transform .25s ease;
    font-family: Arial, sans-serif;
  }
  .mobile-drawer.open { transform: none; }
  .drawer-head { margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; }
  .menu-close { padding: 9px; border: 0; background: transparent; color: inherit; }
  .mobile-drawer > a, .mobile-services {
    width: 100%; min-height: 48px; padding: 14px 8px; border: 0; border-bottom: 1px solid var(--line);
    background: none; color: inherit; display: flex; justify-content: space-between;
    font: 800 16px/1.25 Arial, sans-serif; text-align: left; text-decoration: none;
  }
  .mobile-products { display: none; padding: 7px 0 7px 12px; }
  .mobile-products.open { display: block; }
  .mobile-products a { display: block; padding: 11px 12px; border-left: 2px solid var(--line); font-size: 14px; text-decoration: none; }
}

@media (max-width: 760px) {
  .topline > div { padding: 0 12px; justify-content: center; gap: 12px; }
  .top-location, .top-mobile { display: none; }
  .site-header { height: 68px; padding: 6px 12px; }
  .brand { order: 1; width: min(39vw, 154px); height: 48px; }
  .brand-name { display: none; }
  .menu-toggle { order: 2; padding: 7px; }
  .header-cta { order: 3; margin-left: auto; min-height: 40px; padding: 9px 10px; }
  .header-cta span { display: none; }
  .home-hero { min-height: 540px; margin: 0; border-radius: 0; clip-path: none; }
  .hero-media, .theme-v1 .hero-media { left: 0; }
  .hero-shade, .theme-v1 .hero-shade { background: linear-gradient(0deg,rgba(6,19,27,.95),rgba(6,19,27,.5) 78%); }
  .theme-v1 .hero-copy { background: none; }
  .hero-copy { padding: 205px 20px 50px; }
  .hero-copy h1 { font-size: 31px; }
  .inner-hero { min-height: 470px; }
  .inner-hero .hero-copy { padding-top: 190px; padding-bottom: 42px; }
  .inner-hero .hero-copy h1 { font-size: 29px; }
  .hero-copy p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-tag { display: none; }
  .proof-band { width: 100%; margin: 0; grid-template-columns: 1fr; border-radius: 0; }
  .proof-band > div { padding: 16px 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .section { padding: 62px 20px; }
  .section-heading h2, .story-copy h2, .showcase-copy h2, .action-copy h2,
  .detail-main h2, .contact-panel h2 { font-size: 28px; }
  .intro-grid, .split-story, .showcase, .action-split, .detail-layout, .contact-layout { grid-template-columns: 1fr; gap: 30px; }
  .service-cards { grid-template-columns: 1fr; }
  .story-image, .showcase-image, .action-photo { min-height: 300px; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .audience-card { padding: 17px; }
  .detail-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr 1fr; }
  .enquiry-card { position: static; }
  .related-links { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 23px; }
  .field.full, .form-error, .contact-form button { grid-column: auto; }
  .final-cta { width: calc(100% - 32px); margin-bottom: 62px; padding: 34px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .floating-wa { right: 11px; bottom: 11px; padding: 12px; }
  .floating-wa span { display: none; }
}

@media (max-width: 390px) {
  .topline { font-size: 11px; }
  .brand { width: 137px; }
  .hero-copy h1 { font-size: 29px; }
  .inner-hero .hero-copy h1 { font-size: 27px; }
  .check-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}