:root {
  --navy: #062b3f;
  --navy-2: #003b5a;
  --blue: #0a7fa5;
  --cyan: #70d8ff;
  --ice: #edf8fc;
  --mist: #f6fbfd;
  --paper: #ffffff;
  --ink: #082130;
  --muted: #5d7280;
  --line: rgba(8, 33, 48, 0.14);
  --white-line: rgba(255, 255, 255, 0.28);
  --max: 1460px;
  --pad: clamp(20px, 4vw, 72px);
  --radius: 28px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--paper); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: var(--cyan); color: var(--navy); }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 10px 14px; border-radius: 999px; background: var(--paper); color: var(--navy); transform: translateY(-130%); transition: transform .2s var(--ease); }
.skip-link:focus { transform: translateY(0); }
.announcement { position: fixed; top: 0; left: 0; z-index: 60; display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: center; width: 100%; padding: 8px var(--pad); font-size: 12px; letter-spacing: .11em; text-transform: uppercase; color: rgba(255,255,255,.86); background: var(--navy); border-bottom: 1px solid var(--white-line); }
.announcement > span:nth-child(2) { text-align: center; }
.announcement > a { text-align: right; }
.site-header { position: fixed; top: 33px; left: 0; z-index: 60; width: 100%; display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: center; padding: 18px var(--pad); color: white; transition: background .35s var(--ease), color .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease); }
.site-header.is-scrolled { color: var(--ink); background: rgba(255,255,255,.88); backdrop-filter: blur(18px); box-shadow: 0 18px 55px rgba(3,24,36,.10); border-bottom: 1px solid rgba(8,33,48,.08); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; font-size: 13px; text-transform: uppercase; letter-spacing: .26em; font-weight: 800; }
.brand img { width: 48px; height: 48px; object-fit: contain; filter: drop-shadow(0 4px 14px rgba(0,0,0,.25)); }
.site-header.is-scrolled .brand img { filter: invert(1) drop-shadow(0 4px 14px rgba(0,0,0,.12)); }
.desktop-nav { justify-self: center; display: flex; align-items: center; gap: clamp(12px, 2vw, 28px); font-size: 12px; line-height: 1; letter-spacing: .13em; text-transform: uppercase; }
.desktop-nav a { position: relative; opacity: .92; padding: 8px 0; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.enquiry { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border: 1px solid currentColor; border-radius: 999px; font-size: 12px; letter-spacing: .13em; text-transform: uppercase; transition: background .25s var(--ease), color .25s var(--ease); }
.enquiry:hover { background: white; color: var(--navy); }
.site-header.is-scrolled .enquiry:hover { background: var(--navy); color: white; }
.menu-toggle { display: inline-flex; align-items: center; gap: 10px; border: 0; background: transparent; cursor: pointer; font-size: 12px; text-transform: uppercase; letter-spacing: .13em; }
.menu-toggle i, .menu-toggle i::before, .menu-toggle i::after { display: block; width: 28px; height: 1px; background: currentColor; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.menu-toggle i { position: relative; }
.menu-toggle i::before, .menu-toggle i::after { content: ""; position: absolute; left: 0; }
.menu-toggle i::before { top: -7px; }
.menu-toggle i::after { top: 7px; }
body.menu-open .menu-toggle i { background: transparent; }
body.menu-open .menu-toggle i::before { transform: translateY(7px) rotate(45deg); }
body.menu-open .menu-toggle i::after { transform: translateY(-7px) rotate(-45deg); }
.menu-panel { position: fixed; inset: 0 0 0 auto; z-index: 90; width: min(630px, 100vw); min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; gap: 28px; padding: 24px clamp(24px, 5vw, 58px) 44px; color: white; background: radial-gradient(circle at 20% 10%, rgba(98,215,255,.25), transparent 28%), #03131d; transform: translateX(105%); transition: transform .5s var(--ease); }
body.menu-open .menu-panel { transform: translateX(0); }
.menu-panel__top { display: flex; align-items: center; justify-content: space-between; }
.menu-panel__top img { width: 54px; }
.menu-panel__top button { border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.04); color: white; border-radius: 999px; padding: 10px 16px; cursor: pointer; }
.menu-panel nav { display: grid; align-content: center; gap: 5px; }
.menu-panel nav a { display: flex; gap: 20px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.11); font-size: clamp(32px, 5vw, 66px); line-height: .95; letter-spacing: -.05em; }
.menu-panel nav a span { min-width: 30px; font-size: 12px; letter-spacing: .16em; color: var(--cyan); }
.menu-panel__contact { display: flex; flex-wrap: wrap; gap: 14px 26px; color: rgba(255,255,255,.78); }
.page-shade { position: fixed; inset: 0; z-index: 80; background: rgba(0,0,0,.42); opacity: 0; pointer-events: none; transition: opacity .35s var(--ease); }
body.menu-open .page-shade { opacity: 1; pointer-events: auto; }
body.menu-open { overflow: hidden; }
.hero { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden; padding: 170px var(--pad) 96px; color: white; background: var(--navy); }
.hero__media, .hero__media img, .hero__wash { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); filter: saturate(.96); }
.hero__wash { background: linear-gradient(90deg, rgba(3,22,35,.92) 0%, rgba(5,42,62,.72) 34%, rgba(4,42,61,.30) 68%, rgba(3,22,35,.64) 100%), linear-gradient(0deg, rgba(3,18,29,.92) 0%, rgba(3,18,29,.05) 48%, rgba(3,18,29,.4) 100%); }
.hero::after { content: ""; position: absolute; right: -8vw; bottom: -15vw; width: 56vw; aspect-ratio: 1; border: 1px solid rgba(112,216,255,.26); border-radius: 50%; box-shadow: inset 0 0 120px rgba(112,216,255,.12); pointer-events: none; }
.hero__content { position: relative; z-index: 2; width: min(960px, 100%); }
.eyebrow { margin: 0 0 18px; font-size: 12px; line-height: 1.4; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); font-weight: 800; }
.hero .eyebrow { color: var(--cyan); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; font-size: clamp(54px, 9.5vw, 158px); line-height: .82; letter-spacing: -.083em; font-weight: 760; max-width: 1100px; }
.hero__lead { max-width: 790px; font-size: clamp(18px, 2.1vw, 29px); line-height: 1.35; color: rgba(255,255,255,.82); }
.hero__buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 999px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border .25s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn--light { background: white; color: var(--navy); }
.btn--ghost { border: 1px solid rgba(255,255,255,.5); color: white; }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--dark { background: var(--navy); color: white; }
.btn--line { border: 1px solid var(--line); color: var(--navy); }
.hero__panel { position: absolute; z-index: 3; right: var(--pad); bottom: 28px; display: grid; grid-template-columns: repeat(3, minmax(104px, 1fr)); gap: 1px; width: min(560px, calc(100% - var(--pad) * 2)); border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.12); backdrop-filter: blur(18px); }
.hero__panel span { padding: 17px 14px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.86); background: rgba(255,255,255,.05); }
.scroll-cue { position: absolute; left: var(--pad); bottom: 34px; z-index: 3; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.68); writing-mode: vertical-rl; }
.scroll-cue::after { content: ""; display: inline-block; width: 1px; height: 72px; margin-top: 12px; background: currentColor; animation: drop 1.8s infinite; }
@keyframes drop { 0%,100% { transform: scaleY(.45); opacity:.4; } 50% { transform: scaleY(1); opacity:1; } }
.section { position: relative; max-width: var(--max); margin: 0 auto; padding: clamp(86px, 10vw, 160px) var(--pad); }
.section__number { position: absolute; top: clamp(58px, 8vw, 120px); left: var(--pad); font-size: 12px; letter-spacing: .16em; color: var(--blue); font-weight: 900; }
.statement { display: grid; grid-template-columns: minmax(190px, .46fr) minmax(0, 1.5fr) minmax(260px, .8fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.statement__copy { grid-column: 2; }
.statement h2, .section__intro h2, .feature h2, .method h2, .split-links h2, .innovation h2, .showcase h2, .contact h2 { font-size: clamp(38px, 5.7vw, 92px); line-height: .94; letter-spacing: -.06em; font-weight: 760; margin-bottom: 0; }
.statement__note { padding-top: 52px; color: var(--muted); font-size: clamp(16px, 1.3vw, 20px); line-height: 1.68; }
.section--blue { max-width: none; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: clamp(32px, 7vw, 100px); align-items: center; color: white; background: var(--navy); overflow: hidden; }
.section--blue::before { content: ""; position: absolute; inset: 0; background: url('../img/water-blueprint.svg') center/cover no-repeat; opacity: .17; mix-blend-mode: screen; }
.feature > * { position: relative; z-index: 1; }
.feature__image { min-height: 620px; margin-left: calc(var(--pad) * -1); border-radius: 0 var(--radius) var(--radius) 0; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.24); }
.feature__image img { width: 100%; height: 100%; object-fit: cover; }
.feature__copy { padding-right: var(--pad); max-width: 720px; }
.feature__copy .eyebrow { color: var(--cyan); }
.feature__copy p, .innovation__copy p, .showcase__copy p, .contact__inner p { margin-top: 26px; font-size: clamp(17px, 1.35vw, 21px); line-height: 1.7; color: currentColor; opacity: .76; }
.text-link { display: inline-flex; gap: 10px; align-items: center; margin-top: 24px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 900; }
.text-link::after { content: "→"; transition: transform .25s var(--ease); }
.text-link:hover::after { transform: translateX(6px); }
.section__intro { display: grid; grid-template-columns: minmax(0, .38fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 80px); align-items: start; margin-bottom: clamp(34px, 6vw, 78px); }
.section__intro .eyebrow { margin-top: .7em; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card { position: relative; min-height: 590px; overflow: hidden; border-radius: var(--radius); background: var(--navy); color: white; isolation: isolate; }
.service-card a { display: block; height: 100%; }
.service-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease), filter .7s var(--ease); }
.service-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(2,23,36,.9), rgba(2,23,36,.14) 58%, rgba(2,23,36,.3)); }
.service-card div { position: absolute; inset: auto 0 0; padding: 34px; }
.service-card span { display: inline-block; margin-bottom: 18px; color: var(--cyan); font-size: 12px; letter-spacing: .16em; font-weight: 900; }
.service-card h3 { margin-bottom: 12px; font-size: clamp(30px, 3vw, 52px); letter-spacing: -.055em; line-height: .9; }
.service-card p { margin: 0; color: rgba(255,255,255,.78); line-height: 1.55; }
.service-card:hover img { transform: scale(1.08); filter: saturate(1.08); }
.method { display: grid; grid-template-columns: minmax(300px, .78fr) minmax(0, 1fr); gap: clamp(34px, 7vw, 110px); align-items: center; }
.method__visual { min-height: 760px; border-radius: var(--radius); overflow: hidden; position: sticky; top: 110px; box-shadow: 0 38px 95px rgba(8,33,48,.14); }
.method__visual img { width: 100%; height: 100%; object-fit: cover; }
.steps { margin-top: 50px; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 70px minmax(120px, .4fr) minmax(0, 1fr); gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.step span { color: var(--blue); font-size: 12px; letter-spacing: .16em; font-weight: 900; }
.step h3 { margin: 0; font-size: 24px; letter-spacing: -.04em; }
.step p { margin: 0; color: var(--muted); line-height: 1.55; }
.section--light { max-width: none; background: var(--mist); background-image: url('../img/water-blueprint.svg'); background-size: cover; background-position: center; }
.section--light > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.link-panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.link-panel { min-height: 290px; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(24px, 3vw, 42px); background: rgba(255,255,255,.84); backdrop-filter: blur(10px); transition: background .25s var(--ease), transform .25s var(--ease), color .25s var(--ease); }
.link-panel span { font-size: 12px; letter-spacing: .15em; text-transform: uppercase; color: var(--blue); font-weight: 900; }
.link-panel strong { max-width: 440px; font-size: clamp(22px, 2vw, 32px); line-height: 1.05; letter-spacing: -.045em; font-weight: 740; }
.link-panel:hover { background: var(--navy); color: white; transform: translateY(-6px); }
.link-panel:hover span { color: var(--cyan); }
.innovation { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .72fr); gap: clamp(32px, 7vw, 110px); align-items: center; }
.innovation__stats { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.innovation__stats div { padding: clamp(26px, 4vw, 50px); background: white; }
.innovation__stats span { display: block; margin-bottom: 14px; color: var(--blue); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 900; }
.innovation__stats strong { display: block; font-size: clamp(24px, 3vw, 45px); line-height: .98; letter-spacing: -.055em; }
.showcase { max-width: none; display: grid; grid-template-columns: minmax(330px, .8fr) minmax(0, 1.2fr); gap: clamp(30px, 6vw, 95px); align-items: center; color: white; background: #03131d; }
.showcase::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 18% 25%, rgba(112,216,255,.18), transparent 28%), radial-gradient(circle at 86% 80%, rgba(10,127,165,.24), transparent 30%); }
.showcase > * { position: relative; z-index: 1; }
.showcase__copy { padding-left: var(--pad); max-width: 720px; }
.showcase__copy .eyebrow { color: var(--cyan); }
.showcase__media { min-height: 660px; margin-right: calc(var(--pad) * -1); overflow: hidden; border-radius: var(--radius) 0 0 var(--radius); }
.showcase__media img { width: 100%; height: 100%; object-fit: cover; }
.contact { max-width: none; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .78fr); gap: clamp(30px, 6vw, 90px); align-items: stretch; background: var(--mist); overflow: hidden; }
.contact::after { content: ""; position: absolute; right: -14vw; top: -15vw; width: 52vw; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(112,216,255,.38), transparent 60%); }
.contact__inner, .contact__card { position: relative; z-index: 1; }
.contact__inner { padding-left: var(--pad); }
.contact__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.contact__card { margin-right: var(--pad); padding: clamp(28px, 4vw, 56px); color: white; background: var(--navy); border-radius: var(--radius); box-shadow: 0 40px 100px rgba(8,33,48,.18); }
.contact__card img { width: 120px; margin-bottom: 38px; }
dl { margin: 0; display: grid; gap: 24px; }
dt { margin-bottom: 8px; color: var(--cyan); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 900; }
dd { margin: 0; color: rgba(255,255,255,.86); overflow-wrap: anywhere; }
.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; padding: 38px var(--pad); color: rgba(255,255,255,.78); background: #020c12; font-size: 13px; }
.site-footer img { width: 58px; margin-bottom: 12px; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 14px 22px; justify-content: center; }
.site-footer > p:last-child { text-align: right; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }
@media (max-width: 1180px) { .desktop-nav { display: none; } .site-header { grid-template-columns: auto auto; justify-content: space-between; } .section--blue, .feature, .method, .innovation, .showcase, .contact { grid-template-columns: 1fr; } .feature__image, .showcase__media { margin: 0; border-radius: var(--radius); min-height: 520px; } .feature__copy, .showcase__copy, .contact__inner { padding: 0; } .contact__card { margin: 0; } .statement { grid-template-columns: 1fr; } .statement__copy { grid-column: auto; } .section__number { position: static; } .method__visual { position: relative; top: auto; min-height: 520px; } }
@media (max-width: 860px) { .announcement { grid-template-columns: 1fr; text-align: center; gap: 4px; position: absolute; } .announcement > a { text-align: center; } .site-header { top: 76px; padding-top: 14px; padding-bottom: 14px; } .site-header.is-scrolled { top: 0; } .brand span, .enquiry { display: none; } .hero { padding-top: 170px; padding-bottom: 190px; } h1 { font-size: clamp(52px, 15vw, 92px); } .hero__panel { left: var(--pad); right: var(--pad); grid-template-columns: repeat(2, 1fr); } .scroll-cue { display: none; } .section { padding-top: 78px; padding-bottom: 78px; } .section__intro { grid-template-columns: 1fr; } .service-grid, .link-panels { grid-template-columns: 1fr; } .service-card { min-height: 520px; } .step { grid-template-columns: 50px 1fr; } .step p { grid-column: 2; } .site-footer { grid-template-columns: 1fr; text-align: left; } .site-footer nav { justify-content: flex-start; } .site-footer > p:last-child { text-align: left; } }
@media (max-width: 520px) { :root { --pad: 18px; --radius: 20px; } .menu-panel nav a { font-size: 35px; } .hero__buttons, .contact__actions { flex-direction: column; align-items: stretch; } .hero__panel { grid-template-columns: 1fr; bottom: 20px; } .service-card div { padding: 24px; } .method__visual, .feature__image, .showcase__media { min-height: 390px; } .contact__card img { width: 92px; } }