/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 48px; padding: 0.75rem 1.5rem;
  border-radius: var(--pill); border: 1.5px solid transparent;
  font-weight: 700; text-decoration: none; line-height: 1.2; cursor: pointer;
  transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), background-color 180ms, color 180ms;
}
.btn--primary { background: var(--navy); color: #fff; box-shadow: 0 8px 20px rgb(11 27 63 / 0.18); }
.btn--primary:hover { background: var(--navy-soft); color: #fff; transform: translateY(-1px); box-shadow: 0 12px 28px rgb(11 27 63 / 0.22); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--navy); color: var(--text); background: var(--surface-2); }
.btn--small { min-height: 42px; padding: 0.5rem 1.1rem; font-size: 0.95rem; }
.btn:active { transform: translateY(0); }
.link-arrow { font-weight: 700; text-decoration: none; color: var(--navy); }
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { color: var(--accent-deep); }

/* ---------------- focus on dark surfaces ---------------- */
.sheet--navy :focus-visible { outline-color: var(--accent-soft); }
.btn--primary:focus-visible { outline-color: var(--accent-deep); outline-offset: 3px; }

/* ---------------- header ---------------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  transition: background-color 300ms, box-shadow 300ms, border-color 300ms;
  border-bottom: 1px solid transparent;
}
.header.is-frosted, body:not(.page--has-hero) .header, .header.is-open {
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); height: 100%; min-width: 0; }
.header__brand { display: inline-flex; align-items: center; }
.header__logo { height: 40px; width: auto; }
.header__nav { display: flex; align-items: center; gap: var(--space-4); }
.header__list { display: flex; gap: var(--space-3); }
.header__link { text-decoration: none; font-weight: 600; font-size: 0.98rem; padding: 0.5rem 0.1rem; border-bottom: 2px solid transparent; }
.header__link:hover { border-bottom-color: var(--accent); color: var(--text); }
.header__contact { display: flex; align-items: center; gap: var(--space-3); }
.header__phone { text-decoration: none; font-weight: 700; white-space: nowrap; }
/* Language switcher: EN · FR · NL, current one filled */
.lang__list { display: flex; gap: 0.1rem; list-style: none; margin: 0; padding: 2px; border-radius: var(--pill); background: var(--surface-glass); border: 1px solid rgb(255 255 255 / 0.65); }
.lang__link { display: inline-block; padding: 0.3rem 0.5rem; border-radius: var(--pill); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; color: var(--text); }
.lang__link:hover { background: var(--surface-1); }
.lang__link[aria-current="page"] { color: var(--text-on-navy); background: var(--navy); }
.header__toggle { display: none; }

@media (max-width: 899px) {
  /* Without JS the header flows and the nav is simply visible. */
  html:not(.js) .header { position: static; height: auto; background: var(--surface-glass-strong); border-bottom-color: var(--line); }
  html:not(.js) .header__inner { flex-wrap: wrap; padding: 0.75rem 0; }
  html:not(.js) .header__nav { display: flex; position: static; flex-direction: row; flex-wrap: wrap; gap: var(--space-2); padding: 0.5rem 0 0; background: none; border: 0; box-shadow: none; max-height: none; }
  html:not(.js) .header__list { flex-direction: row; flex-wrap: wrap; gap: var(--space-2); }
  html:not(.js) .header__link { border-bottom: 0; padding: 0.5rem 0; font-size: 1rem; }
  html:not(.js) .header__contact { flex-direction: row; align-items: center; }
  html:not(.js) .header__contact .btn { width: auto; }
  html:not(.js) .hero { padding-top: var(--space-4); }
  html:not(.js) .intro { padding-top: var(--space-5); }
  html.js .header__toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border: 0; background: transparent; border-radius: 12px; cursor: pointer;
  }
  .header__toggle-bar, .header__toggle-bar::before, .header__toggle-bar::after {
    display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; position: relative; transition: transform 220ms, opacity 220ms;
  }
  .header__toggle-bar::before, .header__toggle-bar::after { content: ""; position: absolute; left: 0; }
  .header__toggle-bar::before { top: -7px; } .header__toggle-bar::after { top: 7px; }
  .header.is-open .header__toggle-bar { background: transparent; }
  .header.is-open .header__toggle-bar::before { transform: translateY(7px) rotate(45deg); }
  .header.is-open .header__toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }
  .header__nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; align-items: stretch; gap: var(--space-3);
    padding: var(--space-3) var(--gutter) var(--space-4);
    background: var(--surface-glass-strong);
    -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid var(--line); border-radius: 0 0 var(--card-radius) var(--card-radius);
    box-shadow: var(--shadow-glass);
    overscroll-behavior: contain; max-height: calc(100svh - var(--header-h)); overflow-y: auto;
  }
  .header.is-open .header__nav { display: flex; }
  .header__list { flex-direction: column; gap: 0; }
  .header__link { display: block; padding: 0.85rem 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }
  .header__contact { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .header__contact .btn { width: 100%; }
  .lang { padding: var(--space-2) 0 0.25rem; }
}

/* ---------------- cards ---------------- */
.cards { margin-top: var(--space-4); }
.card {
  position: relative; display: flex; flex-direction: column; gap: 0.6rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--card-radius);
  box-shadow: var(--shadow-card);
  transition: transform 260ms var(--ease-out), box-shadow 260ms var(--ease-out), border-color 260ms;
}
.card--link:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgb(11 27 63 / 0.1); border-color: var(--line-strong); }
.card__title { font-size: clamp(1.25rem, 2vw, 1.55rem); line-height: 1.2; letter-spacing: -0.01em; font-weight: 700; margin: 0; }
.card__title a { text-decoration: none; }
.card__title a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card__outcome { font-size: 1.05rem; color: var(--text); font-weight: 500; }
.card__summary { color: var(--text-muted); }
.card__more { margin-top: auto; padding-top: 0.5rem; font-weight: 700; color: var(--accent-deep); }
.card__more::after { content: " \2192"; }
.card--work .card__media { margin: calc(-1 * clamp(1.5rem, 3vw, 2.25rem)) calc(-1 * clamp(1.5rem, 3vw, 2.25rem)) 0.75rem; border-radius: var(--card-radius) var(--card-radius) 0 0; overflow: hidden; aspect-ratio: 16 / 10; }
.card--work .card__media img { width: 100%; height: 100%; object-fit: cover; }
.sme-line { display: inline-block; margin-top: var(--space-4); font-weight: 600; color: var(--text); padding: 0.7rem 1.1rem; background: var(--accent-tint); border-radius: 12px; }

/* ---------------- mission / numbers ---------------- */
.mission__inner { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .mission__inner { grid-template-columns: 5fr 7fr; gap: var(--space-6); } }
.mission__text .lede + .lede { margin-top: 1em; }
.numbers { display: grid; gap: var(--space-3); margin-top: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.numbers--stack { grid-template-columns: 1fr; margin-top: 0; }
.numbers__item { display: grid; gap: 0.25rem; padding-top: var(--space-2); border-top: 2px solid var(--line); }
.numbers__value { font-size: clamp(2rem, 3.6vw, 2.8rem); font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; line-height: 1; color: var(--navy); }
.numbers__label { color: var(--text-muted); font-size: 0.95rem; }

/* ---------------- how (navy band) ---------------- */
.how__steps { margin-top: var(--space-4); counter-reset: step; }
.how__step { display: grid; gap: 0.5rem; padding-top: var(--space-2); border-top: 1px solid rgb(255 255 255 / 0.18); }
.how__n { font-size: 0.85rem; font-weight: 800; letter-spacing: 0.12em; color: var(--accent-soft); }
.how__title { font-size: 1.35rem; margin: 0; color: #fff; }

/* ---------------- feature rows ---------------- */
.feature { display: grid; gap: var(--space-3); align-items: center; margin-top: var(--space-4); }
.feature + .feature { margin-top: var(--space-6); }
.feature__media { border-radius: var(--card-radius); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4 / 3; }
.feature__media img { width: 100%; height: 100%; object-fit: cover; }
.feature__body { display: grid; gap: 0.25rem; }
.feature__body .display-3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-bottom: 0.3em; }
.feature__body .display-3 a { text-decoration: none; }
.feature__outcome { color: var(--text-muted); font-size: 1.1rem; }
@media (min-width: 900px) {
  .feature { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .feature--flip .feature__media { order: 2; }
}
.brussels__address { font-weight: 700; margin-top: var(--space-2); }

/* ---------------- trusted wordmarks ---------------- */
.trusted { text-align: center; }
.wordmarks {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-4);
  align-items: center; justify-items: center; margin-top: var(--space-3);
}
@media (min-width: 700px) { .wordmarks { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .wordmarks { grid-template-columns: repeat(6, 1fr); } }
.wordmark {
  font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.9rem;
  color: var(--text-muted); opacity: 0.75; white-space: nowrap;
}
.trusted__caption { margin: var(--space-4) auto 0; color: var(--text-muted); }

/* ---------------- talk (conversation block) ---------------- */
.talk { background: var(--navy); }
.talk__bg { position: absolute; inset: 0; }
.talk__bg img { width: 100%; height: 100%; object-fit: cover; }
.talk__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(11 27 63 / 0.35), rgb(11 27 63 / 0.05)); }
.talk .container { position: relative; padding: var(--space-6) 0; }
.talk__card { max-width: 640px; padding: clamp(1.75rem, 4vw, 3rem); display: grid; gap: var(--space-2); }
.talk__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-1); }
.talk__note { color: var(--text-muted); font-size: 0.95rem; }

/* ---------------- detail rows (services, cases) ---------------- */
.detail { display: grid; gap: var(--space-4); }
.detail__row { display: grid; gap: var(--space-2); padding-top: var(--space-3); border-top: 1px solid var(--line); }
@media (min-width: 900px) { .detail__row { grid-template-columns: 1fr 2fr; gap: var(--space-5); } }
.detail__row--quiet .display-3 { color: var(--text-muted); font-weight: 600; }
.detail__row--quiet p { color: var(--text-muted); }
.case__media { border-radius: var(--card-radius); overflow: hidden; aspect-ratio: 16 / 9; box-shadow: var(--shadow-card); margin-bottom: var(--space-5); }
.case__media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- about ---------------- */
.values { margin-top: var(--space-3); }
.values__item { display: grid; gap: 0.5rem; padding-top: var(--space-2); border-top: 2px solid var(--line); }
.values__item p { color: var(--text-muted); }
.portraits { margin-top: var(--space-4); }
.portrait { border-radius: var(--card-radius); overflow: hidden; aspect-ratio: 4 / 5; box-shadow: var(--shadow-card); }
.portrait img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- insights ---------------- */
.articles { display: grid; gap: var(--space-4); }
.article-card { display: grid; gap: 0.25rem; padding-top: var(--space-3); border-top: 1px solid var(--line); max-width: 70ch; }
.article-card .display-3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.article-card .display-3 a { text-decoration: none; }
.article-card .display-3 a:hover { color: var(--accent-deep); }

/* ---------------- contact ---------------- */
.contact { display: grid; gap: var(--space-5); }
@media (min-width: 900px) { .contact { grid-template-columns: 5fr 7fr; } }
.contact__address { margin: var(--space-2) 0; }
.contact__map { display: grid; gap: 0.75rem; margin-top: var(--space-3); text-decoration: none; }
.contact__map picture { border-radius: var(--card-radius); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow-card); }
.contact__map img { width: 100%; height: 100%; object-fit: cover; }
.contact__form { padding: clamp(1.5rem, 3vw, 2.5rem); }
.form { display: grid; gap: var(--space-3); }
.form__grid { display: grid; gap: var(--space-2); }
@media (min-width: 700px) { .form__grid { grid-template-columns: 1fr 1fr; } .field--wide { grid-column: 1 / -1; } }
.field { display: grid; gap: 0.4rem; margin: 0; max-width: none; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input, .field textarea {
  width: 100%; min-height: 48px; padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--line-strong); border-radius: 12px; background: var(--surface-2);
}
.field textarea { resize: vertical; }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--accent-deep); outline-offset: 2px; border-color: var(--accent-deep); }
.field--check { grid-template-columns: auto 1fr; align-items: start; gap: 0.75rem; }
.field--check input { width: 22px; height: 22px; min-height: 0; margin-top: 0.15rem; accent-color: var(--accent-deep); }
.field--check label { font-weight: 500; color: var(--text-muted); }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__actions { margin: 0; }
.form-state { display: none; }
.form-sent, .form-error { gap: var(--space-2); margin-bottom: var(--space-3); }
#sent:target, #error:target, .form-state.is-shown { display: grid; }
#sent:target ~ .form { display: none; }
.form-error { padding: 1rem 1.25rem; background: rgb(192 57 43 / 0.06); border: 1px solid rgb(192 57 43 / 0.25); border-radius: 12px; }

/* ---------------- footer ---------------- */
.footer { background: var(--surface-1); border-top: 1px solid var(--line); padding: var(--space-5) 0 var(--space-3); color: var(--text); }
.footer__inner { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .footer__inner { grid-template-columns: 2fr 1.2fr 1fr; gap: var(--space-5); } }
.footer__brand img { height: 40px; width: auto; }
.footer__tagline { margin-top: var(--space-2); color: var(--text-muted); max-width: 32ch; }
.footer__address { line-height: 1.8; }
.footer__phone { font-weight: 700; text-decoration: none; }
.footer__nav ul { display: grid; gap: 0.4rem; }
.footer__nav a { text-decoration: none; }
.footer__legal { margin-top: var(--space-4); padding-top: var(--space-2); border-top: 1px solid var(--line); color: var(--text-muted); font-size: 0.9rem; }