:root {
    --ink: #132f39;
    --ink-soft: #536b72;
    --petrol: #07556b;
    --petrol-deep: #083846;
    --blue: #1b718b;
    --blue-pale: #e4f1f4;
    --blue-wash: #f1f7f8;
    --warm: #d59231;
    --line: #cfdde1;
    --surface: #f5f8f9;
    --white: #ffffff;
    --danger: #a92d2d;
    --success: #1e6d55;
    --container: 1240px;
    --header-height: 102px;
    --shadow: 0 12px 30px rgb(8 56 70 / 8%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 16px; background: var(--warm); color: var(--ink); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.12; overflow-wrap: break-word; }
h1 { max-width: 720px; margin-bottom: 18px; font-size: 3.25rem; }
h2 { margin-bottom: 14px; font-size: 2.1rem; }
h3 { margin-bottom: 10px; font-size: 1.18rem; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.eyebrow--light { color: #d3edf2; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 17px; border: 1px solid var(--petrol); border-radius: 3px; background: var(--petrol); color: var(--white); font-size: 0.9rem; font-weight: 700; line-height: 1.2; text-align: center; text-decoration: none; transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease; }
.button:hover { border-color: var(--blue); background: var(--blue); transform: translateY(-2px); }
.button--light { border-color: var(--white); background: var(--white); color: var(--petrol-deep); }
.button--light:hover { border-color: var(--warm); background: var(--warm); color: var(--ink); }
.button--outline-light { border-color: rgb(255 255 255 / 75%); background: transparent; color: var(--white); }
.button--outline-light:hover { border-color: var(--white); background: rgb(255 255 255 / 12%); }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--petrol); font-size: 0.88rem; font-weight: 700; text-decoration: none; }
.text-link:hover { color: var(--blue); text-decoration: underline; }

.site-header { position: sticky; top: 0; z-index: 20; height: var(--header-height); border-bottom: 1px solid rgb(7 85 107 / 12%); background: rgb(255 255 255 / 97%); backdrop-filter: blur(12px); }
.site-header__inner { display: flex; align-items: center; height: 100%; gap: 20px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; text-decoration: none; }
.brand--header { width: 98px; }
.brand--header img { width: 100%; height: auto; }
.header-statement { margin: 0 auto 0 0; color: var(--ink-soft); font-size: 0.72rem; font-weight: 700; line-height: 1.35; text-transform: uppercase; }
.primary-navigation { display: flex; align-items: center; gap: 18px; }
.primary-navigation ul { display: flex; align-items: center; gap: 17px; padding: 0; margin: 0; list-style: none; }
.primary-navigation li a { color: var(--ink); font-size: 0.72rem; font-weight: 700; text-decoration: none; text-transform: uppercase; }
.primary-navigation li a:hover, .primary-navigation li a[aria-current="page"] { color: var(--blue); }
.button--header { min-height: 36px; padding: 8px 13px; font-size: 0.7rem; text-transform: uppercase; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--white); }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--petrol); transition: transform 180ms ease, opacity 180ms ease; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); min-height: 465px; overflow: hidden; background: var(--petrol-deep); color: var(--white); }
.hero__image, .hero__overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__image { object-fit: cover; object-position: center; }
.hero__overlay { background: rgb(3 33 43 / 62%); }
.hero__content { position: relative; z-index: 1; align-self: center; min-width: 0; padding-top: 62px; padding-bottom: 50px; }
.hero h1 { max-width: 500px; margin-bottom: 14px; font-size: 3.05rem; }
.hero__lead { max-width: 430px; margin-bottom: 28px; font-size: 0.95rem; font-weight: 700; text-transform: uppercase; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__proof { display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 48px 0 0; list-style: none; }
.hero__proof li { display: grid; grid-template-columns: auto auto; gap: 5px; align-items: baseline; min-width: 155px; padding: 0 18px; border-left: 1px solid rgb(255 255 255 / 52%); font-size: 0.83rem; }
.hero__proof li:first-child { padding-left: 0; border-left: 0; }
.hero__proof strong { color: var(--white); font-size: 1.05rem; }
.hero__proof span { color: #d4e9ed; }

.capability-strip { border-bottom: 1px solid var(--line); background: var(--blue-wash); }
.capability-strip__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.capability-strip p { display: flex; align-items: center; gap: 10px; min-height: 74px; padding: 15px 20px; border-left: 1px solid var(--line); margin: 0; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.capability-strip p:last-child { border-right: 1px solid var(--line); }
.capability-strip span { color: var(--blue); font-size: 0.72rem; }

.section { padding: 72px 0; }
.section--intro { background: var(--white); }
.section-heading { max-width: 820px; margin-bottom: 34px; }
.section-heading--compact { display: flex; align-items: end; justify-content: space-between; max-width: none; gap: 26px; }
.section-heading--compact > div { max-width: 700px; }
.section-heading--compact .text-link { flex: 0 0 auto; margin-bottom: 8px; }
.section-heading--split { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: end; max-width: none; gap: 64px; }
.section-heading--split > p { max-width: 450px; margin: 0 0 4px; color: var(--ink-soft); font-size: 1.02rem; }

.discipline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.discipline-card { position: relative; min-height: 322px; overflow: hidden; background: var(--petrol-deep); color: var(--white); }
.discipline-card > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 280ms ease; }
.discipline-card::after { position: absolute; inset: 0; background: rgb(3 32 42 / 55%); content: ""; }
.discipline-card:hover > img { transform: scale(1.04); }
.discipline-card__overlay { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: end; height: 100%; min-height: 322px; padding: 22px; }
.discipline-card__number, .feature-card__number { display: inline-block; color: var(--warm); font-size: 0.76rem; font-weight: 700; }
.discipline-card__number { margin-bottom: auto; }
.discipline-card h3 { margin-bottom: 12px; font-size: 1.35rem; }
.discipline-card ul { padding: 0; margin: 0; list-style: none; color: #e4f2f4; font-size: 0.8rem; line-height: 1.75; }
.discipline-card li::before { margin-right: 7px; color: var(--warm); content: "+"; }

.lifecycle { padding: 60px 0; background: var(--petrol-deep); color: var(--white); }
.lifecycle__inner { display: grid; grid-template-columns: 0.78fr 1.22fr; align-items: end; gap: 68px; }
.lifecycle__heading h2 { max-width: 480px; }
.lifecycle__heading p:not(.eyebrow) { max-width: 430px; margin-bottom: 0; color: #cee4e8; font-size: 0.95rem; }
.lifecycle__steps { display: grid; grid-template-columns: repeat(4, 1fr); padding: 0; margin: 0; border-top: 1px solid rgb(255 255 255 / 20%); border-bottom: 1px solid rgb(255 255 255 / 20%); list-style: none; }
.lifecycle__steps li { min-height: 104px; padding: 17px 14px; border-left: 1px solid rgb(255 255 255 / 20%); }
.lifecycle__steps li:last-child { border-right: 1px solid rgb(255 255 255 / 20%); }
.lifecycle__steps span { display: block; margin-bottom: 24px; color: var(--warm); font-size: 0.75rem; font-weight: 700; }
.lifecycle__steps strong { font-size: 1rem; }

.section--services { background: var(--blue-wash); }
.featured-services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { min-width: 0; border: 1px solid var(--line); background: var(--white); }
.feature-card img { width: 100%; height: 150px; object-fit: cover; }
.feature-card__content { display: flex; flex-direction: column; min-height: 205px; padding: 18px; }
.feature-card__number { margin-bottom: 16px; }
.feature-card__content h3 { font-size: 1.04rem; }
.feature-card__content > p:not(.feature-card__number) { margin-bottom: 16px; color: var(--ink-soft); font-size: 0.85rem; }
.feature-card__content .text-link { margin-top: auto; }

.callout { padding: 50px 0; background: var(--petrol-deep); color: var(--white); }
.callout__inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.callout h2 { margin: 0; font-size: 2rem; }
.callout__action { display: flex; align-items: center; gap: 18px; }
.callout .button { border-color: var(--blue); background: var(--blue); white-space: nowrap; }
.callout .button:hover { border-color: #4797ad; background: #4797ad; }
.callout__action p { max-width: 210px; margin: 0; color: #cae2e7; font-size: 0.78rem; }

.page-hero { padding: 70px 0 62px; border-bottom: 1px solid var(--line); background: var(--blue-pale); }
.page-hero:not(.page-hero--compact) { position: relative; display: grid; align-items: center; min-height: 276px; overflow: hidden; border-bottom: 0; background: var(--petrol-deep); color: var(--white); }
.page-hero:not(.page-hero--compact)::before, .page-hero:not(.page-hero--compact)::after { position: absolute; inset: 0; content: ""; }
.page-hero:not(.page-hero--compact)::before { background-position: center; background-size: cover; }
.page-hero:not(.page-hero--compact)::after { background: rgb(3 33 43 / 64%); }
.page-hero--services::before { background-image: url("../images/communications-editorial.webp"); }
.page-hero--projects::before, .page-hero--project::before { background-image: url("../images/epoc-hero-editorial.webp"); }
.page-hero--about::before { background-image: url("../images/security-editorial.webp"); }
.page-hero--contacts::before { background-image: url("../images/comfort-editorial.webp"); }
.page-hero--quote::before { background-image: url("../images/energy-editorial.webp"); }
.page-hero:not(.page-hero--compact) .page-hero__inner { position: relative; z-index: 1; }
.page-hero:not(.page-hero--compact) .eyebrow { color: #d3edf2; }
.page-hero:not(.page-hero--compact) .page-hero__inner > p:not(.eyebrow) { color: #e1f0f3; }
.page-hero__inner { max-width: 840px; }
.page-hero__inner > p:not(.eyebrow) { max-width: 700px; margin-bottom: 0; color: var(--ink-soft); font-size: 1.02rem; }
.page-hero--compact { padding: 58px 0 46px; }
.page-hero--compact h1 { margin-bottom: 0; }

.category-navigation { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 48px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.category-navigation a { padding: 7px 11px; border: 1px solid var(--line); border-radius: 3px; color: var(--petrol); font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.category-navigation a:hover { border-color: var(--petrol); background: var(--petrol); color: var(--white); }
.service-category { padding-top: 0; margin-bottom: 68px; scroll-margin-top: calc(var(--header-height) + 20px); }
.service-category__heading { display: flex; align-items: baseline; gap: 14px; padding-bottom: 15px; border-bottom: 2px solid var(--petrol); margin-bottom: 20px; }
.service-category__heading > span { color: var(--blue); font-size: 0.78rem; font-weight: 700; }
.service-category__heading h2 { margin: 0; font-size: 1.75rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.service-card { position: relative; display: flex; min-width: 0; overflow: hidden; isolation: isolate; border: 1px solid var(--petrol-deep); background: var(--petrol-deep); color: var(--white); transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease; }
.service-card::before { position: absolute; z-index: 1; inset: 0; background: rgb(3 32 42 / 72%); content: ""; transition: background-color 180ms ease; }
.service-card__image { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 280ms ease; }
.service-card--image-1 .service-card__image { object-position: 12% center; }
.service-card--image-2 .service-card__image { object-position: 34% center; }
.service-card--image-3 .service-card__image { object-position: 56% center; }
.service-card--image-4 .service-card__image { object-position: 78% center; }
.service-card--image-5 .service-card__image { object-position: 94% center; }
.service-card__content { position: relative; z-index: 2; display: flex; flex: 1; flex-direction: column; align-items: flex-start; min-height: 254px; padding: 21px; }
.service-card__icon { display: grid; width: 42px; height: 42px; place-items: center; margin-bottom: 25px; border: 1px solid rgb(255 255 255 / 58%); background: rgb(3 32 42 / 36%); color: var(--white); }
.service-card__icon svg { width: 23px; height: 23px; }
.service-card__content h3 { margin-bottom: 11px; font-size: 1.06rem; }
.service-card__content p { margin-bottom: 16px; color: #e3f0f2; font-size: 0.84rem; }
.service-card__content .text-link { margin-top: auto; padding-top: 5px; color: var(--white); }
.service-card .text-link:hover { color: #ffe1a7; }
.service-card:hover, .service-card:focus-within { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.service-card:hover::before, .service-card:focus-within::before { background: rgb(3 32 42 / 62%); }
.service-card:hover .service-card__image, .service-card:focus-within .service-card__image { transform: scale(1.05); }
.service-card:hover .service-card__icon, .service-card:focus-within .service-card__icon { border-color: var(--white); background: rgb(255 255 255 / 14%); color: var(--white); }

.empty-state { max-width: 760px; padding: 38px; border-left: 4px solid var(--blue); background: var(--blue-wash); }
.empty-state p:not(.eyebrow) { max-width: 540px; color: var(--ink-soft); font-size: 1.02rem; }
.project-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.project-filters button { min-height: 36px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 3px; background: var(--white); color: var(--petrol); font-size: 0.82rem; font-weight: 700; }
.project-filters button:hover, .project-filters button.is-active { border-color: var(--petrol); background: var(--petrol); color: var(--white); }
.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.project-card a { display: block; text-decoration: none; }
.project-card img { width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; }
.project-card div { padding: 15px; border: 1px solid var(--line); border-top: 0; }
.project-card p { margin-bottom: 6px; color: var(--blue); font-size: 0.74rem; font-weight: 700; text-transform: uppercase; }
.project-card h2 { margin-bottom: 8px; font-size: 1.08rem; }
.project-card span { color: var(--ink-soft); font-size: 0.84rem; }
.project-card[hidden] { display: none; }
.article-layout { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 68px; }
.article-layout > div > p { max-width: 680px; color: var(--ink-soft); font-size: 1.03rem; }
.article-layout aside { padding: 24px; border-top: 3px solid var(--blue); background: var(--blue-wash); }
.article-layout aside h2 { font-size: 1.15rem; }
.article-layout ul { padding-left: 20px; margin: 0; }

.about-introduction__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; }
.about-introduction__grid > div:last-child { max-width: 500px; color: var(--ink-soft); font-size: 1.03rem; }
.about-introduction__grid .text-link { margin-top: 10px; }
.values { background: var(--blue-wash); }
.values__grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.values__grid article { min-height: 160px; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.values__grid span { display: block; margin-bottom: 30px; color: var(--blue); font-size: 0.76rem; font-weight: 700; }
.values__grid h3 { font-size: 1rem; }

.contact-layout__grid, .quote-section__grid { display: grid; grid-template-columns: 0.78fr 1.22fr; align-items: start; gap: 62px; }
.contact-details { padding-top: 8px; }
.contact-details address { font-style: normal; }
.contact-details address > div { padding: 15px 0; border-top: 1px solid var(--line); }
.contact-details address > div:last-child { border-bottom: 1px solid var(--line); }
.contact-details span { display: block; margin-bottom: 4px; color: var(--ink-soft); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.contact-details a { color: var(--petrol); font-size: 1.04rem; font-weight: 700; text-decoration: none; }
.contact-details p { margin: 0; }
.form-panel { padding: 30px; border: 1px solid var(--line); border-top: 3px solid var(--blue); background: var(--white); box-shadow: var(--shadow); }
.form-panel h2 { margin-bottom: 22px; font-size: 1.5rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-field { min-width: 0; }
.form-field--full { grid-column: 1 / -1; }
.form-field label, .form-check label { display: block; margin-bottom: 7px; color: var(--ink); font-size: 0.86rem; font-weight: 700; }
.form-field input, .form-field textarea, .form-field select { width: 100%; min-height: 44px; padding: 9px 10px; border: 1px solid #9fb3ba; border-radius: 3px; background: var(--white); color: var(--ink); }
.form-field textarea { min-height: 136px; resize: vertical; }
.form-field input[type="file"] { min-height: auto; padding: 10px 0; border: 0; }
.form-field small { display: block; margin-top: 7px; color: var(--ink-soft); font-size: 0.78rem; line-height: 1.45; }
.form-field--error input, .form-field--error textarea, .form-field--error select { border-color: var(--danger); }
.form-field--error > p, .form-check > p { margin: 5px 0 0; color: var(--danger); font-size: 0.82rem; }
.form-check { position: relative; margin: 22px 0; padding-left: 29px; }
.form-check input { position: absolute; top: 3px; left: 0; width: 18px; height: 18px; margin: 0; accent-color: var(--petrol); }
.form-check label { margin: 0; color: var(--ink-soft); font-size: 0.84rem; font-weight: 400; }
.form-check a { color: var(--petrol); font-weight: 700; }
.form-notice { padding: 12px 14px; border-left: 4px solid; margin-bottom: 18px; font-size: 0.9rem; }
.form-notice--success { border-color: var(--success); background: #edf8f2; color: #174e3d; }
.form-notice--error { border-color: var(--danger); background: #fff2f2; color: #751c1c; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.quote-section { background: var(--blue-wash); }
.quote-section__intro { padding-top: 12px; }
.quote-section__intro > p:not(.eyebrow) { max-width: 410px; color: var(--ink-soft); font-size: 1.02rem; }
.quote-section__note { padding: 16px; border-left: 3px solid var(--blue); background: var(--white); font-size: 0.9rem !important; }

.legal-content__inner { max-width: 800px; }
.legal-content section { padding: 0 0 25px; margin-bottom: 25px; border-bottom: 1px solid var(--line); }
.legal-content h2 { margin-bottom: 12px; font-size: 1.35rem; }
.legal-content p { max-width: 720px; margin-bottom: 0; color: var(--ink-soft); }
.legal-content .button { margin-top: 12px; }
.legal-content__notice { padding: 16px; border-left: 3px solid var(--blue); background: var(--blue-wash); color: var(--ink) !important; font-size: 0.9rem; }

.site-footer { padding: 54px 0 24px; background: var(--petrol-deep); color: var(--white); }
.site-footer__main { display: grid; grid-template-columns: 1.25fr 0.75fr 1fr; gap: 48px; padding-bottom: 42px; }
.site-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.brand--footer { width: 132px; height: 132px; padding: 0; background: transparent; }
.brand--footer img { width: 100%; height: 100%; object-fit: contain; }
.google-review-card { display: flex; width: min(100%, 270px); min-height: 118px; flex-direction: column; align-items: flex-start; padding: 15px 16px; border: 1px solid rgb(255 255 255 / 28%); background: rgb(255 255 255 / 7%); color: var(--white); text-decoration: none; transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease; }
.google-review-card__eyebrow { color: #c6dde2; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; }
.google-review-card__stars { display: flex; gap: 3px; margin: 6px 0 8px; color: var(--warm); font-size: 1.1rem; line-height: 1; }
.google-review-card__stars span { display: inline-block; transition: transform 180ms ease; }
.google-review-card__stars span:nth-child(2) { transition-delay: 25ms; }
.google-review-card__stars span:nth-child(3) { transition-delay: 50ms; }
.google-review-card__stars span:nth-child(4) { transition-delay: 75ms; }
.google-review-card__stars span:nth-child(5) { transition-delay: 100ms; }
.google-review-card__title { margin-bottom: auto; font-size: 0.98rem; font-weight: 700; line-height: 1.2; }
.google-review-card__action { margin-top: 10px; color: #d8edf1; font-size: 0.78rem; font-weight: 700; }
.google-review-card:hover, .google-review-card:focus-visible { border-color: var(--warm); background: rgb(255 255 255 / 13%); transform: translateY(-2px); }
.google-review-card:hover .google-review-card__stars span, .google-review-card:focus-visible .google-review-card__stars span { transform: translateY(-3px) scale(1.12); }
.google-review-card:hover .google-review-card__action, .google-review-card:focus-visible .google-review-card__action { color: #ffe1a7; }
.site-footer__column h2 { margin-bottom: 14px; color: #c6dde2; font-size: 0.76rem; text-transform: uppercase; }
.site-footer__column ul { padding: 0; margin: 0; list-style: none; }
.site-footer__column li { margin: 5px 0; }
.site-footer__column a { color: var(--white); font-size: 0.88rem; text-decoration: none; }
.site-footer__column a:hover, .site-footer__legal a:hover { color: #a9dce7; text-decoration: underline; }
.site-footer address { display: grid; gap: 7px; font-size: 0.88rem; font-style: normal; }
.site-footer address span { color: #c6dde2; }
.site-footer__legal { padding-top: 18px; border-top: 1px solid rgb(255 255 255 / 19%); }
.site-footer__legal nav { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.site-footer__legal a { color: var(--white); font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.site-footer__legal p { margin: 10px 0 0; color: #c6dde2; font-size: 0.74rem; }
.site-footer__credit a { font-weight: 400; }

.whatsapp-contact { position: fixed; right: 20px; bottom: 20px; z-index: 30; display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid rgb(255 255 255 / 45%); border-radius: 50%; background: #17875f; color: var(--white); box-shadow: 0 8px 22px rgb(3 32 42 / 28%); transition: background-color 180ms ease, transform 180ms ease, box-shadow 180ms ease; }
.whatsapp-contact svg { width: 25px; height: 25px; }
.whatsapp-contact::after { position: absolute; right: calc(100% + 10px); width: max-content; padding: 6px 9px; background: var(--petrol-deep); color: var(--white); content: attr(data-tooltip); font-size: 0.75rem; font-weight: 700; opacity: 0; pointer-events: none; transform: translateX(4px); transition: opacity 180ms ease, transform 180ms ease; }
.whatsapp-contact:hover, .whatsapp-contact:focus-visible { background: #116f4d; box-shadow: 0 11px 26px rgb(3 32 42 / 36%); transform: translateY(-2px); }
.whatsapp-contact:hover::after, .whatsapp-contact:focus-visible::after { opacity: 1; transform: translateX(0); }

.js-enabled [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 420ms ease, transform 420ms ease; }
.js-enabled [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
    .header-statement { display: none; }
    .site-header__inner { justify-content: space-between; }
    .primary-navigation { gap: 12px; }
    .primary-navigation ul { gap: 12px; }
    .primary-navigation li a { font-size: 0.68rem; }
    .discipline-grid, .featured-services, .project-grid { grid-template-columns: repeat(2, 1fr); }
    .lifecycle__inner, .contact-layout__grid, .quote-section__grid { gap: 38px; }
    .site-footer__main { gap: 32px; }
}

@media (max-width: 900px) {
    :root { --header-height: 76px; }
    .container { width: min(calc(100% - 32px), var(--container)); }
    h1 { font-size: 2.35rem; }
    h2 { font-size: 1.8rem; }
    .site-header__inner { gap: 12px; }
    .brand--header { width: 67px; }
    .menu-toggle { display: block; z-index: 2; }
    .primary-navigation { position: fixed; top: var(--header-height); right: 0; left: 0; display: block; padding: 24px 16px 28px; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease; }
    .primary-navigation.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
    .primary-navigation ul { display: grid; gap: 0; margin-bottom: 18px; border-top: 1px solid var(--line); }
    .primary-navigation li { border-bottom: 1px solid var(--line); }
    .primary-navigation li a { display: block; padding: 13px 2px; font-size: 0.9rem; }
    .button--header { width: 100%; min-height: 44px; }
    .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
    .menu-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }
    body.menu-open { overflow: hidden; }
    .hero { min-height: 515px; }
    .hero__content { padding-top: 52px; padding-bottom: 30px; }
    .hero h1 { font-size: 2.45rem; }
    .hero__lead { max-width: 340px; font-size: 0.84rem; }
    .hero__proof { margin-top: 34px; }
    .hero__proof li { min-width: 0; padding: 0 11px; font-size: 0.72rem; }
    .hero__proof strong { font-size: 0.9rem; }
    .capability-strip__inner { grid-template-columns: repeat(2, 1fr); }
    .capability-strip p { min-height: 62px; padding: 10px; font-size: 0.66rem; }
    .capability-strip p:nth-child(2) { border-right: 1px solid var(--line); }
    .capability-strip p:last-child { border-right: 1px solid var(--line); }
    .section { padding: 56px 0; }
    .section-heading { margin-bottom: 27px; }
    .section-heading--compact { display: grid; align-items: start; gap: 8px; }
    .section-heading--compact .text-link { margin-bottom: 0; }
    .section-heading--split, .lifecycle__inner, .about-introduction__grid, .contact-layout__grid, .quote-section__grid, .article-layout { grid-template-columns: 1fr; gap: 28px; }
    .discipline-grid, .featured-services, .service-grid, .project-grid { grid-template-columns: 1fr; }
    .discipline-card, .discipline-card__overlay { min-height: 276px; }
    .lifecycle { padding: 52px 0; }
    .lifecycle__steps { grid-template-columns: repeat(2, 1fr); }
    .lifecycle__steps li:nth-child(3) { border-top: 1px solid rgb(255 255 255 / 20%); }
    .lifecycle__steps li { min-height: 86px; }
    .lifecycle__steps span { margin-bottom: 16px; }
    .feature-card img { height: 156px; }
    .feature-card__content { min-height: 195px; }
    .callout__inner { display: grid; align-items: start; }
    .callout__action { display: grid; justify-items: start; }
    .callout .button { white-space: normal; }
    .page-hero { padding: 54px 0 48px; }
    .page-hero:not(.page-hero--compact) { min-height: 250px; }
    .page-hero--compact { padding: 48px 0 40px; }
    .category-navigation { margin-bottom: 38px; }
    .service-category { margin-bottom: 54px; }
    .service-category__heading h2 { font-size: 1.5rem; }
    .empty-state { padding: 28px 22px; }
    .values__grid { grid-template-columns: repeat(2, 1fr); }
    .values__grid article { min-height: 134px; }
    .values__grid span { margin-bottom: 23px; }
    .form-panel { padding: 24px 18px; }
    .form-grid { grid-template-columns: 1fr; }
    .form-field--full { grid-column: auto; }
    .site-footer { padding-top: 46px; }
    .site-footer__main { grid-template-columns: 1fr; gap: 30px; padding-bottom: 32px; }
    .brand--footer { width: 120px; height: 120px; }
    .whatsapp-contact { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
    .js-enabled [data-reveal] { opacity: 1; transform: none; }
}