/* BCCV — site styles. Tokens first, then base, components, pages. */

:root {
  --paper: #F4F5F2;
  --paper-2: #E9ECE6;
  --ink: #17201C;
  --ink-2: #4A5550;
  --rule: #CBD1C9;
  --rule-strong: #8E978F;
  --olive: #5B6816;
  --olive-tint: #DDE3B8;
  --olive-bright: #C2CF63;
  --night: #1B2622;
  --night-2: #26332E;
  --on-night: #E6EAE4;
  --on-night-2: #A9B4AD;

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --space: clamp(4rem, 9vw, 7.5rem);
  --radius: 2px;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 6rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--olive); }
:focus-visible { outline: 2px solid var(--olive); outline-offset: 3px; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.1; text-wrap: balance; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); font-variation-settings: "wdth" 112; letter-spacing: -0.015em; margin-bottom: 0.6em; }
h3, .h3 { font-size: 1.2rem; font-variation-settings: "wdth" 104; letter-spacing: -0.005em; margin-bottom: 0.45em; }

.display {
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  font-weight: 620;
  font-variation-settings: "wdth" 118;
  letter-spacing: -0.025em;
  line-height: 1.02;
  max-width: 17ch;
  margin-bottom: 0.45em;
}
.display--xl { font-size: clamp(2.4rem, 5.4vw, 4.6rem); max-width: 19ch; }
.lead { font-size: clamp(1.125rem, 1.6vw, 1.3rem); line-height: 1.55; color: var(--ink-2); max-width: 60ch; }
.muted { color: var(--ink-2); }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: 0.75rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

/* Buttons and links */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3rem; padding: 0.75rem 1.4rem;
  background: var(--ink); color: var(--paper);
  border: 1px solid var(--ink); border-radius: var(--radius);
  font: inherit; font-weight: 600; font-size: 1rem; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}
.btn:hover { background: var(--olive); border-color: var(--olive); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn--small { min-height: 2.5rem; padding: 0.5rem 1rem; font-size: 0.95rem; }
.btn--light { background: var(--olive-bright); border-color: var(--olive-bright); color: var(--night); }
.btn--light:hover { background: #fff; border-color: #fff; color: var(--night); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; margin: 2rem 0 0; }
.link { font-weight: 600; text-decoration: underline; }
.link--light { color: var(--on-night); }
.link--light:hover { color: var(--olive-bright); }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgb(244 245 242 / 0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.header__bar { display: flex; align-items: center; gap: 1.5rem; min-height: 4.5rem; }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand:hover { color: var(--ink); }
.mark { width: 2.1rem; height: 2.1rem; color: var(--ink); flex: none; }
.brand__name { font-weight: 700; font-size: 1.3rem; font-variation-settings: "wdth" 125; letter-spacing: 0.02em; }
.brand__tag { font-size: 0.8rem; color: var(--ink-2); line-height: 1.25; max-width: 15rem; padding-left: 0.75rem; border-left: 1px solid var(--rule); }
.brand--light, .brand--light:hover { color: var(--on-night); }
.brand--light .mark { color: #0E1512; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__list { display: flex; gap: 1.6rem; }
.nav__list a { text-decoration: none; font-weight: 500; font-size: 0.98rem; padding: 0.4rem 0; border-bottom: 2px solid transparent; }
.nav__list a[aria-current="page"] { border-bottom-color: var(--olive); }
.nav__end { display: flex; align-items: center; gap: 1rem; }
.lang { font-weight: 600; font-size: 0.9rem; text-decoration: none; padding: 0.4rem 0.2rem; }

.burger { display: none; align-items: center; gap: 0.6rem; background: none; border: 0; padding: 0.5rem 0; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; }
.burger__lines, .burger__lines::before, .burger__lines::after { display: block; width: 22px; height: 2px; background: currentColor; position: relative; transition: transform 0.2s; }
.burger__lines::before, .burger__lines::after { content: ""; position: absolute; left: 0; }
.burger__lines::before { top: -7px; }
.burger__lines::after { top: 7px; }
.burger[aria-expanded="true"] .burger__lines { background: transparent; }
.burger[aria-expanded="true"] .burger__lines::before { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__lines::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1100px) { .brand__tag { display: none; } }
@media (max-width: 900px) {
  .js .burger { display: inline-flex; }
  .js .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule);
    padding: 0.5rem var(--gutter) 1.5rem;
    max-height: calc(100vh - 4.5rem); overflow-y: auto;
  }
  .js .nav:not(.is-open) { display: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { display: block; padding: 0.9rem 0; border-bottom: 1px solid var(--rule); font-size: 1.1rem; }
  .nav__list a[aria-current="page"] { border-bottom-color: var(--rule); color: var(--olive); }
  .nav__end { justify-content: space-between; padding-top: 1.25rem; }
  .no-js .header__bar { flex-wrap: wrap; padding-block: 0.75rem; }
  .no-js .nav { flex-wrap: wrap; }
  .no-js .nav__list { flex-direction: row; flex-wrap: wrap; gap: 0 1rem; }
  .no-js .nav__list a { border: 0; font-size: 1rem; }
}

/* Sections */
.section { padding-block: var(--space); }
.section--tight { padding-top: clamp(2rem, 4vw, 3rem); }
.section--alt { background: var(--paper-2); }
.section__head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 1rem 4rem; align-items: end; margin-bottom: 3.5rem; }
.section__head h2 { margin: 0; }
.section__head p { margin: 0; color: var(--ink-2); max-width: 52ch; }
.section__title { margin-bottom: 2.5rem; }
.section__row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.section__row .section__title { margin: 0; }
@media (max-width: 760px) { .section__head { grid-template-columns: 1fr; margin-bottom: 2.25rem; } }

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 3rem 5rem; align-items: center; }
.split--text { align-items: start; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.split__text p { color: var(--ink-2); max-width: 46ch; }
.prose p { max-width: 64ch; }
@media (max-width: 860px) { .split, .split--text { grid-template-columns: 1fr; } }

/* Hero */
.hero { padding-block: clamp(3.5rem, 9vw, 7rem) clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--rule); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 3rem 4rem; align-items: end; }
.facts { margin: 0; display: grid; gap: 1.25rem; }
.facts div { border-top: 1px solid var(--rule-strong); padding-top: 0.6rem; }
.facts dt { font-size: 0.85rem; color: var(--ink-2); }
.facts dd { margin: 0; font-weight: 600; line-height: 1.35; }
.facts--stack { margin-bottom: 2.5rem; }
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
}
@media (max-width: 560px) { .hero .facts { grid-template-columns: 1fr; } }

/* Outcome / principle lists */
.outcomes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.5rem 2rem; }
.outcomes--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.outcomes li { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
.outcomes p { color: var(--ink-2); margin: 0; }
@media (max-width: 1000px) { .outcomes, .outcomes--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .outcomes, .outcomes--3 { grid-template-columns: 1fr; } }

/* Projects */
.projgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem 1.75rem; }
.projgrid--featured { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.projgrid--featured .proj--lead { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 0 2.5rem; align-items: end; }
.projgrid--featured .proj--lead .proj__media { aspect-ratio: 16 / 8; }
.projgrid--featured .proj--lead .proj__name { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-variation-settings: "wdth" 112; }
.proj[hidden] { display: none; }
.proj__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.proj__media img { width: 100%; height: 100%; object-fit: cover; }
.proj__media--type { display: flex; align-items: flex-end; padding: 1.25rem; background: var(--night); color: var(--on-night); }
.proj__media--type span { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 650; font-variation-settings: "wdth" 120; line-height: 1; letter-spacing: -0.02em; }
.section--alt .proj__media--type { background: var(--night); }
.proj__body { padding-top: 1rem; }
.proj__sector { font-size: 0.875rem; font-weight: 600; color: var(--olive); margin-bottom: 0.3rem; }
.proj__name { font-size: 1.2rem; }
.proj__meta { font-size: 0.95rem; margin: 0; }
@media (max-width: 900px) {
  .projgrid, .projgrid--featured { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projgrid--featured .proj--lead { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .projgrid, .projgrid--featured { grid-template-columns: 1fr; } .projgrid--featured .proj--lead .proj__media { aspect-ratio: 4 / 3; } }

.refs .filters { margin-top: 0; }
.refs .projgrid { margin-top: 2.5rem; }
.refs__sub { margin: 4rem 0 1.5rem; font-size: 1.35rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.js .filters[hidden] { display: flex; }
.no-js .filters { display: none; }
.filters button { font: inherit; font-size: 0.92rem; font-weight: 500; padding: 0.45rem 0.9rem; background: transparent; color: var(--ink); border: 1px solid var(--rule-strong); border-radius: 999px; cursor: pointer; }
.filters button:hover { border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }


.reflist li { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); gap: 0.25rem 2rem; padding: 1rem 0; border-top: 1px solid var(--rule-strong); }
.reflist li:last-child { border-bottom: 1px solid var(--rule-strong); }
.reflist__name { font-weight: 600; }
.reflist--compact li { grid-template-columns: 1fr; }
@media (max-width: 640px) { .reflist li { grid-template-columns: 1fr; } }

/* Page header */
.pagehead { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }

/* Services page */
.services { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 4rem; align-items: start; }
.services__aside { position: sticky; top: 6.5rem; }
.toc ol { counter-reset: toc; border-left: 1px solid var(--rule-strong); }
.toc a { display: block; padding: 0.45rem 0 0.45rem 1rem; text-decoration: none; font-size: 0.95rem; line-height: 1.35; color: var(--ink-2); margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover, .toc a.is-active { color: var(--ink); border-left-color: var(--olive); }
.svc { padding-block: 0 4.5rem; margin-bottom: 4.5rem; border-bottom: 1px solid var(--rule-strong); }
.svc:last-child { border-bottom: 0; margin-bottom: 0; }
.svc__phases { font-size: 0.9rem; font-weight: 600; color: var(--olive); margin-bottom: 0.5rem; font-variant-numeric: tabular-nums; }
.svc__intro { font-size: 1.15rem; color: var(--ink-2); max-width: 58ch; }
.svc__cols { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 2.5rem 3.5rem; margin-top: 2.25rem; }
.svc__label { font-size: 0.95rem; color: var(--ink-2); font-weight: 600; margin-bottom: 1rem; }
.svc__items { margin: 0; }
.svc__items div { padding: 1.1rem 0; border-top: 1px solid var(--rule); }
.svc__items dt { font-weight: 600; font-size: 1.1rem; margin-bottom: 0.25rem; }
.svc__items dd { margin: 0; color: var(--ink-2); }
.svc__get { background: var(--paper-2); padding: 1.5rem; align-self: start; }
.svc--note { background: var(--paper-2); padding: 2rem; border: 0; }
@media (max-width: 960px) {
  .services { grid-template-columns: 1fr; gap: 1rem; }
  .services__aside { position: static; }
  .svc__cols { grid-template-columns: 1fr; }
}

/* BIM workflow: one row per phase */
.bimflow__labels, .bimflow__row { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr); gap: 0.5rem 2.5rem; }
.bimflow__labels { font-size: 0.95rem; font-weight: 600; color: var(--ink-2); padding-bottom: 0.75rem; }
.bimflow__row { padding: 1.25rem 0; border-top: 1px solid var(--rule-strong); }
.bimflow__row:last-child { border-bottom: 1px solid var(--rule-strong); }
.bimflow__row p { margin: 0; }
.bimflow__phase { font-weight: 600; font-size: 1.1rem; line-height: 1.3; }
.bimflow__num { color: var(--olive); margin-right: 0.4rem; font-variant-numeric: tabular-nums; font-size: 0.9rem; }
.bimflow__use { color: var(--ink-2); max-width: 46ch; }
.bimflow__out li { padding-block: 0.15rem; }
.bimflow__out li::before { top: 0.6rem; }
.tools { margin-top: 2.5rem; }
.tools ul { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tools li { font-size: 0.92rem; font-weight: 500; padding: 0.4rem 0.9rem; border: 1px solid var(--rule-strong); border-radius: 999px; }
@media (max-width: 860px) {
  .bimflow__labels { display: none; }
  .bimflow__row { grid-template-columns: 1fr; }
}

.ticks li { position: relative; padding: 0.4rem 0 0.4rem 1.6rem; }
.ticks li::before { content: ""; position: absolute; left: 0.1rem; top: 0.85rem; width: 0.7rem; height: 0.38rem; border-left: 2px solid var(--olive); border-bottom: 2px solid var(--olive); transform: rotate(-45deg); }

/* Careers */
.jobs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; }
.job { border-top: 2px solid var(--ink); padding-top: 1.5rem; }
.job__meta { display: flex; flex-wrap: wrap; gap: 0.5rem 2.5rem; margin: 0 0 1.25rem; }
.job__meta dt { font-size: 0.85rem; color: var(--ink-2); }
.job__meta dd { margin: 0; font-weight: 600; }
.job__req summary { cursor: pointer; font-weight: 600; padding: 0.6rem 0; list-style-position: outside; }
.job__req summary:hover { color: var(--olive); }
@media (max-width: 860px) { .jobs { grid-template-columns: 1fr; } }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 3rem 5rem; align-items: start; }
.contact__info p { color: var(--ink-2); max-width: 44ch; }
.form { display: grid; gap: 1.25rem; background: #fff; padding: clamp(1.25rem, 3vw, 2.5rem); border: 1px solid var(--rule); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.form label { display: grid; gap: 0.4rem; font-weight: 600; font-size: 0.95rem; }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule-strong); border-radius: var(--radius);
  padding: 0.7rem 0.8rem; width: 100%; min-height: 3rem;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--olive); outline-offset: 0; border-color: var(--olive); }
.form textarea { resize: vertical; }
.form .actions { margin-top: 0.5rem; }
.form__note { font-size: 0.875rem; margin: 0; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }

/* Closing band */
.band { background: var(--night); color: var(--on-night); padding-block: clamp(3.5rem, 7vw, 6rem); }
.band__inner { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 2rem 4rem; align-items: end; }
.band h2 { font-size: clamp(2rem, 4.2vw, 3.4rem); max-width: 16ch; }
.band p { color: var(--on-night-2); max-width: 48ch; margin: 0; }
.band .actions { margin: 0; justify-content: flex-start; }
@media (max-width: 860px) { .band__inner { grid-template-columns: 1fr; } }

/* Footer */
.footer { background: #121A17; color: var(--on-night-2); padding-top: 4rem; font-size: 0.95rem; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 3fr); gap: 2.5rem 3rem; padding-bottom: 3rem; }
.footer__brand p { max-width: 38ch; margin-top: 1rem; }
.footer__brand .muted { color: var(--on-night-2); opacity: 0.8; }
.footer__h { font-size: 0.9rem; font-weight: 600; color: var(--on-night); margin-bottom: 1rem; font-variation-settings: "wdth" 100; letter-spacing: 0; }
.footer__list li { padding: 0.25rem 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--olive-bright); }
.footer__legal { border-top: 1px solid var(--night-2); padding-block: 1.5rem; font-size: 0.85rem; }
.footer__legal p { margin: 0; }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }