:root {
    --nxb-colour-brand: #008651;
    --nxb-colour-brand-bright: #16a96d;
    --nxb-colour-brand-dark: #00653d;
    --nxb-colour-ink: #0b1112;
    --nxb-colour-ink-soft: #172022;
    --nxb-colour-text: #202729;
    --nxb-colour-muted: #60696b;
    --nxb-colour-line: #dbe0de;
    --nxb-colour-surface: #f4f6f5;
    --nxb-colour-white: #fff;
    --nxb-shadow-card: 0 18px 45px rgba(7, 23, 16, .1);
    --nxb-radius-small: .35rem;
    --nxb-radius: .75rem;
    --nxb-container: 90rem;
    --nxb-gutter: clamp(1.25rem, 4vw, 4rem);
    --nxb-section-space: clamp(4rem, 8vw, 7rem);
    --nxb-font: Montserrat, "Segoe UI", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--nxb-colour-text); background: var(--nxb-colour-white); font-family: var(--nxb-font); font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img, picture, svg { display: block; max-width: 100%; }
img { object-fit: cover; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .2em; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 .75em; color: var(--nxb-colour-ink); font-weight: 800; line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(2.7rem, 7vw, 6.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); }
p { margin: 0 0 1.25rem; }

.nxb-container { width: min(100% - (var(--nxb-gutter) * 2), var(--nxb-container)); margin-inline: auto; }
.nxb-section { padding-block: var(--nxb-section-space); }
.nxb-section--dark { color: var(--nxb-colour-white); background: var(--nxb-colour-ink); }
.nxb-section--dark h2, .nxb-section--dark h3 { color: var(--nxb-colour-white); }
.nxb-section-heading { max-width: 48rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.nxb-section-heading--centred { margin-inline: auto; text-align: center; }
.nxb-section-heading > p { margin-bottom: .3rem; color: var(--nxb-colour-brand); font-size: .85rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.nxb-section-heading h2 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.75rem); }

.nxb-button { display: inline-flex; min-height: 3.25rem; align-items: center; justify-content: center; padding: .8rem 1.65rem; border: 2px solid transparent; border-radius: var(--nxb-radius-small); font-size: .82rem; font-weight: 800; letter-spacing: .025em; line-height: 1.2; text-align: center; text-decoration: none; text-transform: uppercase; transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
.nxb-button:hover { transform: translateY(-2px); }
.nxb-button--primary { color: var(--nxb-colour-white); background: var(--nxb-colour-brand); border-color: var(--nxb-colour-brand); }
.nxb-button--primary:hover { background: var(--nxb-colour-brand-dark); border-color: var(--nxb-colour-brand-dark); }
.nxb-button--light { color: var(--nxb-colour-ink); background: var(--nxb-colour-white); border-color: var(--nxb-colour-white); }
.nxb-button--outline-light { color: var(--nxb-colour-white); border-color: rgba(255,255,255,.75); background: rgba(0,0,0,.12); }
.nxb-button--outline-light:hover { color: var(--nxb-colour-ink); background: var(--nxb-colour-white); }
.nxb-text-link { color: var(--nxb-colour-brand-dark); font-weight: 750; text-decoration: none; }
.nxb-text-link:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid #f9c74f; outline-offset: 4px; }
.nxb-skip-link { position: fixed; z-index: 1000; top: .75rem; left: .75rem; padding: .8rem 1rem; color: #000; background: #fff; transform: translateY(-180%); }
.nxb-skip-link:focus { transform: translateY(0); }

.nxb-home-hero { position: relative; display: grid; min-height: min(52rem, 92vh); overflow: hidden; color: var(--nxb-colour-white); background: var(--nxb-colour-ink); }
.nxb-home-hero__media, .nxb-home-hero__media img, .nxb-home-hero__fade { position: absolute; inset: 0; width: 100%; height: 100%; }
.nxb-home-hero__media img { object-position: center; }
.nxb-home-hero__fade { background: linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.78) 31%, rgba(0,0,0,.28) 66%, rgba(0,0,0,.12) 100%), linear-gradient(180deg, rgba(0,0,0,.32), transparent 42%, rgba(0,0,0,.35)); }
.nxb-home-hero__content { position: relative; z-index: 1; align-self: center; padding-block: clamp(9rem, 17vw, 14rem) 7rem; }
.nxb-home-hero h1 { max-width: 8ch; margin-bottom: 1.5rem; color: var(--nxb-colour-white); font-size: clamp(3.2rem, 7vw, 7rem); text-transform: uppercase; }
.nxb-home-hero h1 span, .nxb-home-hero h1 strong { display: block; }
.nxb-home-hero h1 strong { color: var(--nxb-colour-brand-bright); }
.nxb-home-hero__lead { max-width: 38rem; margin-bottom: .75rem; font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 750; }
.nxb-home-hero__body { max-width: 36rem; color: rgba(255,255,255,.88); }
.nxb-home-hero__body p:last-child { margin-bottom: 0; }
.nxb-home-hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.nxb-home-hero__trust { position: absolute; z-index: 2; right: 0; bottom: 0; display: flex; min-width: min(31rem, 90%); align-items: center; gap: 1rem; padding: 1.2rem var(--nxb-gutter) 1.2rem 3rem; border-top: 4px solid var(--nxb-colour-brand); color: #fff; background: rgba(5,13,14,.9); clip-path: polygon(12% 0,100% 0,100% 100%,0 100%); }
.nxb-home-hero__trust-icon { display: grid; width: 2.9rem; height: 2.9rem; flex: 0 0 auto; place-items: center; border: 3px solid var(--nxb-colour-brand-bright); border-radius: 50%; font-size: 1.25rem; font-weight: 900; }
.nxb-home-hero__trust p { margin: 0; text-transform: uppercase; }
.nxb-home-hero__trust strong, .nxb-home-hero__trust span { display: block; }
.nxb-home-hero__trust span { color: var(--nxb-colour-brand-bright); font-weight: 750; }

.nxb-values { border-bottom: 1px solid var(--nxb-colour-line); background: #fff; }
.nxb-values__grid { display: grid; grid-template-columns: repeat(4,1fr); }
.nxb-value { display: flex; align-items: center; gap: 1rem; padding: 2rem clamp(1rem,2.5vw,2rem); border-right: 1px solid var(--nxb-colour-line); }
.nxb-value:last-child { border-right: 0; }
.nxb-value img, .nxb-value__number { width: 3.25rem; height: 3.25rem; flex: 0 0 auto; }
.nxb-value__number { display: grid; place-items: center; border: 3px solid var(--nxb-colour-brand); border-radius: 50%; color: var(--nxb-colour-brand-dark); font-weight: 850; }
.nxb-value h2 { margin-bottom: .35rem; font-size: .9rem; letter-spacing: .015em; text-transform: uppercase; }
.nxb-value p { margin: 0; color: var(--nxb-colour-muted); font-size: .85rem; line-height: 1.45; }

.nxb-home-lower__grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(3rem,7vw,7rem); }
.nxb-process__steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin: 0; padding: 0; list-style: none; }
.nxb-process__steps li { position: relative; text-align: center; }
.nxb-process__steps li:not(:last-child)::after { content: "→"; position: absolute; top: .35rem; right: -.7rem; color: var(--nxb-colour-brand); font-weight: 800; }
.nxb-process__steps span { display: grid; width: 2rem; height: 2rem; margin: 0 auto 1.25rem; place-items: center; border-radius: 50%; color: #fff; background: var(--nxb-colour-brand); font-size: .75rem; font-weight: 800; }
.nxb-process__steps h3 { margin-bottom: .4rem; font-size: .78rem; text-transform: uppercase; }
.nxb-process__steps p { margin: 0; color: var(--nxb-colour-muted); font-size: .76rem; line-height: 1.45; }
.nxb-featured-projects__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .75rem; }
.nxb-project-teaser img { width: 100%; aspect-ratio: 3/2; border-radius: var(--nxb-radius-small); }
.nxb-project-teaser h3 { margin: .65rem 0 .2rem; font-size: .78rem; text-transform: uppercase; }
.nxb-project-teaser h3 a, .nxb-project-teaser > a { text-decoration: none; }
.nxb-project-teaser > a { color: var(--nxb-colour-brand-dark); font-size: .72rem; font-weight: 750; }

.nxb-accreditations { background: var(--nxb-colour-surface); }
.nxb-accreditations__grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(10rem,1fr)); gap: 1rem; align-items: center; }
.nxb-accreditations__grid > * { display: grid; min-height: 9rem; place-items: center; padding: 1.25rem; border: 1px solid var(--nxb-colour-line); border-radius: var(--nxb-radius); background: #fff; }
.nxb-accreditations img { max-width: 12rem; max-height: 6rem; object-fit: contain; }
.nxb-pagination ul { display: flex; justify-content: center; gap: .5rem; margin: 3rem 0 0; padding: 0; list-style: none; }
.nxb-pagination a { display: grid; width: 2.7rem; height: 2.7rem; place-items: center; border: 1px solid var(--nxb-colour-line); border-radius: 50%; text-decoration: none; }
.nxb-pagination a[aria-current="page"] { color: #fff; border-color: var(--nxb-colour-brand); background: var(--nxb-colour-brand); }
.nxb-error-page { min-height: 65vh; padding-block: clamp(10rem,18vw,15rem) 6rem; text-align: center; }
.nxb-error-page__code { margin: 0; color: var(--nxb-colour-brand); font-size: clamp(5rem,15vw,11rem); font-weight: 900; line-height: 1; }

@media (max-width: 1100px) {
    .nxb-values__grid { grid-template-columns: repeat(2,1fr); }
    .nxb-value:nth-child(2) { border-right: 0; }
    .nxb-value:nth-child(-n+2) { border-bottom: 1px solid var(--nxb-colour-line); }
    .nxb-home-lower__grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .nxb-home-hero { min-height: 48rem; }
    .nxb-home-hero__fade { background: linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.52)),linear-gradient(180deg,rgba(0,0,0,.45),transparent 45%,rgba(0,0,0,.6)); }
    .nxb-home-hero__content { align-self: start; padding-top: 8.5rem; }
    .nxb-home-hero__actions { flex-direction: column; align-items: stretch; max-width: 23rem; }
    .nxb-home-hero__trust { min-width: 100%; padding-left: var(--nxb-gutter); clip-path: none; }
    .nxb-values__grid { grid-template-columns: 1fr; }
    .nxb-value, .nxb-value:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--nxb-colour-line); }
    .nxb-value:last-child { border-bottom: 0; }
    .nxb-process__steps { grid-template-columns: repeat(2,1fr); gap: 2rem 1rem; }
    .nxb-process__steps li::after { display: none; }
    .nxb-featured-projects__grid { grid-template-columns: 1fr; gap: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
