/* Page-specific: what-we-do uses standard nav from styles.css. Sticky sidebar +
       disciplines (alternating row layout) + sectors grid + dark integration block. */
    nav { transition: border-bottom .2s; border-bottom: none; }
    nav.scrolled { border-bottom: 1px solid var(--mid); }
    .section-divider { border: none; border-top: 1px solid var(--mid); margin: 0; }
    .nav-links a.active { color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

    /* Override .btn-outline padding (shared base is 10px 22px) */
    .btn-outline { padding: 9px 20px; }

    /* Page hero */
    .page-hero { padding: 160px 0 100px; background: var(--white); }
    .page-hero-inner { max-width: 900px; }
    .page-hero .label { display: block; margin-bottom: 32px; animation: fadeUp .5s ease both .1s; }
    .page-hero h1 { font-family: 'Poppins', sans-serif; font-size: clamp(2.4rem, 5vw, 4.8rem); font-weight: 800; line-height: 1.05; margin-bottom: 32px; letter-spacing: -.01em; animation: fadeUp .6s ease both .25s; }
    .page-hero h1 em { font-style: normal; color: var(--accent); }
    .page-hero-sub { font-size: 1.15rem; color: var(--stone); max-width: 560px; line-height: 1.65; animation: fadeUp .6s ease both .4s; }

    /* Page body with sticky sidebar */
    .page-body { display: grid; grid-template-columns: 220px 1fr; gap: 0; align-items: start; position: relative; }
    .sidebar { position: sticky; top: 80px; padding: 48px 0; border-right: 1px solid var(--mid); align-self: start; }
    .sidebar-label { font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--stone); padding: 0 var(--pad) 20px 0; display: block; border-bottom: 1px solid var(--mid); margin-bottom: 8px; }
    .sidebar-nav { list-style: none; }
    .sidebar-nav li { border-bottom: 1px solid var(--mid); }
    .sidebar-nav a { display: flex; align-items: baseline; gap: 12px; padding: 14px 16px 14px 0; font-family: 'Poppins', sans-serif; font-size: 12px; font-weight: 500; color: var(--stone); transition: color .2s; }
    .sidebar-nav a:hover { color: var(--ink); }
    .sidebar-nav a.active { color: var(--accent); font-weight: 600; }
    .sidebar-nav .num { font-size: 10px; font-weight: 700; letter-spacing: .08em; color: var(--mid); flex-shrink: 0; transition: color .2s; }
    .sidebar-nav a.active .num { color: var(--accent); }
    .sidebar-group-label { font-family: 'Poppins', sans-serif; font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); padding: 18px 0 6px; display: block; opacity: .7; }
    .discipline-group-label { padding: 24px var(--pad) 0; font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--stone); border-top: 2px solid var(--accent); margin-top: 0; }

    /* Disciplines (alternating left/right image+text rows) */
    .discipline-section { padding: 80px var(--pad); border-bottom: 1px solid var(--mid); scroll-margin-top: 80px; }
    .discipline-section:nth-child(even) .discipline-layout { flex-direction: row-reverse; }
    .discipline-layout { display: flex; gap: 64px; align-items: center; }
    .discipline-img { flex: 0 0 45%; aspect-ratio: 4/3; background: var(--bg); background-size: cover; background-position: center; position: relative; overflow: hidden; }
    .discipline-img.has-image { background-color: transparent; }
    .discipline-img img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; filter: grayscale(1); }
    .discipline-img-label { z-index: 1; }
    .discipline-img::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent, transparent 20px, var(--mid) 20px, var(--mid) 21px); opacity: .4; }
    .discipline-img.has-image::before { display: none; }
    .discipline-img-label { position: absolute; bottom: 16px; left: 16px; font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--stone); background: var(--white); padding: 4px 10px; }
    .discipline-content { flex: 1; }
    .discipline-number { font-family: 'Poppins', sans-serif; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block; }
    .discipline-content h2 { font-family: 'Poppins', sans-serif; font-weight: 700; line-height: 1.15; font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 12px; }
    .discipline-tagline { font-family: 'DM Sans', sans-serif; font-style: normal; font-weight: 500; font-size: 1.1rem; color: #64645e; margin-bottom: 24px; line-height: 1.4; }
    .discipline-body { font-size: 1rem; color: var(--ink); line-height: 1.75; margin-bottom: 32px; }
    .discipline-link { font-family: 'Poppins', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border-bottom: 1px solid transparent; padding-bottom: 2px; transition: border-color .2s; }
    .discipline-link:hover { border-color: var(--accent); }

    /* Sectors grid (3-col on this page; sectors.html has its own list view) */
    .sectors-section { padding: 100px var(--pad); background: var(--bg); }
    .sectors-header { margin-bottom: 56px; }
    .sectors-header .label { display: block; margin-bottom: 16px; }
    .sectors-header h2 { font-family: 'Poppins', sans-serif; font-weight: 700; line-height: 1.15; font-size: clamp(1.8rem, 3vw, 2.6rem); }
    .sectors-header p { color: var(--stone); margin-top: 16px; max-width: 560px; }
    .sectors-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--mid); border-left: 1px solid var(--mid); }
    .sector-cell { padding: 40px 36px; border-right: 1px solid var(--mid); border-bottom: 1px solid var(--mid); transition: background .2s, transform .22s ease; display: block; text-decoration: none; color: inherit; }
    .sector-cell:hover { background: var(--white); transform: translateY(-2px); }
    .sector-cell--linked h3 { transition: color .2s; }
    .sector-cell--linked:hover h3 { color: var(--accent); }
    .sector-cell__icon { width: 32px; height: 2px; background: var(--accent); margin-bottom: 20px; }
    .sector-cell h3 { font-family: 'Poppins', sans-serif; font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
    .sector-cell p { font-size: .875rem; color: var(--stone); line-height: 1.65; }
    .sectors-all-link { margin-top: 40px; text-align: right; }

    /* Dark integration block */
    .integration-section { padding: 100px 0; background: var(--ink); }
    .integration-inner { max-width: 840px; }
    .integration-section .label { color: rgba(250,250,248,.35); display: block; margin-bottom: 40px; }
    .integration-section h2 { font-family: 'Poppins', sans-serif; font-weight: 700; line-height: 1.2; font-size: clamp(1.8rem, 3vw, 2.8rem); color: var(--white); margin-bottom: 28px; }
    .integration-section h2 strong { color: var(--accent); font-weight: 800; }
    .integration-section p { font-size: 1rem; color: rgba(250,250,248,.55); line-height: 1.75; margin-bottom: 16px; max-width: 680px; }

    /* CTA strip */
    .cta-section { background: var(--accent); padding: 80px 0; }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
    .cta-headline { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--white); max-width: 560px; line-height: 1.15; }

    /* Newsletter form (page-specific until Sprint 8) */
    .newsletter-label { font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: rgba(250,250,248,.35); margin-bottom: 12px; }
    #newsletter-form { display: flex; }
    #newsletter-email { flex: 1; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); color: var(--white); font-family: 'DM Sans', sans-serif; font-size: 13px; padding: 10px 14px; outline: none; transition: border-color .2s; }
    #newsletter-email::placeholder { color: rgba(250,250,248,.25); }
    #newsletter-email:focus { border-color: rgba(255,255,255,.4); }
    .newsletter-btn { background: var(--accent); color: var(--white); border: none; font-family: 'Poppins', sans-serif; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 10px 18px; cursor: pointer; transition: opacity .2s; }
    .newsletter-btn:hover { opacity: .85; }

    /* Footer bottom row */
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; flex-wrap: wrap; gap: 16px; }

    @media (max-width: 1100px) {
      :root { --pad: 48px; }
      .page-body { grid-template-columns: 180px 1fr; }
      .sectors-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      :root { --pad: 24px; }
      .discipline-group-label { padding: 24px 0 0; }
      .page-hero { padding: 120px 0 72px; }
      .page-body { grid-template-columns: 1fr; }
      .sidebar { display: none; }
      .discipline-section { padding: 60px 0; }
      .discipline-layout { flex-direction: column !important; gap: 32px; }
      .discipline-img { flex: none; width: 100%; aspect-ratio: 16/9; }
      .sectors-grid { grid-template-columns: 1fr; }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
    }