:root {
      color-scheme: light;
      --bg: #f7f8fa;
      --surface: #ffffff;
      --surface-2: #eceff4;
      --ink: #17222f;
      --muted: #5b6675;
      --line: #d3dae4;
      --brand: #1e3a5f;
      --brand-2: #13263f;
      --accent: #b08b48;
      --accent-soft: #e6d8b8;
      --white: #ffffff;
      --shadow: 0 24px 70px rgba(19, 38, 63, .12);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--bg);
      color: var(--ink);
      font-family: "IBM Plex Sans", sans-serif;
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; }
    img { display: block; max-width: 100%; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .skip { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--bg); padding: 10px 14px; }
    .skip:focus { top: 12px; }
    .topbar {
      position: sticky; top: 0; z-index: 20;
      border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
      background: color-mix(in srgb, var(--bg) 92%, transparent);
      backdrop-filter: blur(14px);
    }
    .nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .nav-context { display: flex; align-items: center; gap: 12px; color: var(--brand); }
    .nav-name { font-family: "Libre Baskerville", serif; font-size: 17px; font-weight: 700; }
    .nav-descriptor { color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
    .nav-mark { width: 31px; height: 31px; border: 1px solid var(--brand); display: grid; place-items: center; }
    .nav-mark svg { width: 17px; height: 17px; }
    .nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; }
    .nav-links a { text-decoration: none; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--accent); }
    .nav-cta { border-bottom: 2px solid var(--accent); padding-bottom: 3px; }

    .hero { padding: 44px 0 74px; }
    .hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; min-height: 620px; }
    .hero-copy { position: relative; z-index: 2; padding: 64px 50px 64px 0; }
    .eyebrow { display: flex; align-items: center; gap: 12px; color: var(--brand); font-weight: 600; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 36px; height: 2px; background: var(--accent); }
    h1, h2, h3 { font-family: "Libre Baskerville", serif; }
    h1 { margin: 24px 0 22px; max-width: 690px; font-size: clamp(42px, 5.8vw, 74px); line-height: 1.04; letter-spacing: -.035em; }
    .hero-copy > p { max-width: 580px; margin: 0 0 34px; color: var(--muted); font-size: 18px; line-height: 1.72; }
    .actions { display: flex; gap: 14px; flex-wrap: wrap; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; text-decoration: none; font-weight: 600; font-size: 15px; transition: background .2s, color .2s, border-color .2s; }
    .button.primary { background: var(--brand); color: var(--white); border: 1px solid var(--brand); }
    .button.primary:hover { background: var(--brand-2); }
    .button.secondary { border: 1px solid var(--line); background: var(--surface); }
    .button.secondary:hover { border-color: var(--accent); }
    .hero-media { position: relative; height: 620px; overflow: hidden; box-shadow: var(--shadow); }
    .hero-media img { width: 100%; height: 100%; object-fit: cover; }
    .hero-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); pointer-events: none; }
    .hero-note { position: absolute; left: 22px; bottom: 22px; width: 285px; background: var(--brand-2); color: var(--white); padding: 24px 27px; border-top: 3px solid var(--accent); }
    .hero-note strong { display: block; font-family: "Libre Baskerville", serif; font-size: 18px; margin-bottom: 5px; }
    .hero-note span { color: #cdd8e6; font-size: 13px; }

    .intro { padding: 72px 0 84px; }
    .section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; margin-bottom: 50px; }
    .section-head h2 { margin: 0; font-size: clamp(31px, 4.2vw, 50px); line-height: 1.13; letter-spacing: -.025em; }
    .section-head p { margin: 5px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; max-width: 680px; }
    .capabilities { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .capability { padding: 32px 28px 34px 0; }
    .capability + .capability { border-left: 1px solid var(--line); padding-left: 28px; }
    .cap-num { display: block; color: var(--accent); font-family: "Libre Baskerville", serif; font-size: 18px; margin-bottom: 34px; }
    .capability h3 { margin: 0 0 10px; font-size: 20px; }
    .capability p { margin: 0; color: var(--muted); font-size: 14px; }

    .process { background: var(--brand-2); color: var(--white); padding: 92px 0; }
    .process .eyebrow { color: #d7dee9; }
    .process .section-head { margin-bottom: 58px; }
    .process .section-head p { color: #bcc7d6; }
    .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
    .step { border-top: 1px solid rgba(255,255,255,.24); padding-top: 24px; }
    .step-index { display: flex; justify-content: space-between; color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .08em; }
    .step svg { width: 30px; height: 30px; stroke: var(--accent); }
    .step h3 { margin: 40px 0 12px; font-size: 24px; }
    .step p { margin: 0; color: #bcc7d6; }

    .portfolio { padding: 96px 0; }
    .portfolio-grid { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 300px 300px; gap: 18px; }
    .photo { position: relative; overflow: hidden; background: var(--surface-2); }
    .photo:first-child { grid-row: 1 / 3; }
    .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
    .photo:hover img { transform: scale(1.025); }
    .photo-caption { position: absolute; left: 0; bottom: 0; background: color-mix(in srgb, var(--brand-2) 92%, transparent); color: white; padding: 14px 18px; font-size: 13px; font-weight: 600; letter-spacing: .04em; }
    .photo-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; }

    .principles { padding: 18px 0 100px; }
    .principles-box { display: grid; grid-template-columns: .9fr 1.1fr; background: var(--surface); box-shadow: var(--shadow); }
    .principles-title { padding: 62px; background: var(--surface-2); }
    .principles-title h2 { margin: 0 0 18px; font-size: clamp(31px, 4vw, 48px); line-height: 1.15; }
    .principles-title p { color: var(--muted); margin: 0; }
    .principle-list { padding: 50px 58px; }
    .principle { display: grid; grid-template-columns: 58px 1fr; gap: 20px; padding: 20px 0; }
    .principle + .principle { border-top: 1px solid var(--line); }
    .principle b { color: var(--accent); font-family: "Libre Baskerville", serif; font-size: 15px; }
    .principle h3 { margin: 0 0 6px; font-family: "IBM Plex Sans", sans-serif; font-size: 17px; }
    .principle p { margin: 0; color: var(--muted); font-size: 14px; }

    .contact { background: var(--accent-soft); color: #1a2433; padding: 80px 0; }
    .contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: end; }
    .contact h2 { margin: 0 0 18px; font-size: clamp(34px, 5vw, 58px); line-height: 1.08; letter-spacing: -.03em; }
    .contact p { margin: 0; max-width: 620px; font-size: 17px; }
    .intake { border-left: 1px solid color-mix(in srgb, currentColor 25%, transparent); padding-left: 38px; }
    .intake strong { display: block; margin-bottom: 12px; }
    .intake ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
    .intake li { position: relative; padding-left: 20px; font-size: 14px; }
    .intake li::before { content: ""; position: absolute; left: 0; top: .67em; width: 8px; height: 2px; background: var(--accent); }
    .scope-note { margin: 28px 0 0; padding-top: 22px; border-top: 1px solid color-mix(in srgb, currentColor 25%, transparent); font-size: 14px; }

    footer { padding: 34px 0 42px; background: var(--brand-2); color: #b9c4d4; }
    .footer-inner { display: flex; justify-content: space-between; gap: 28px; align-items: center; font-size: 13px; }
    .footer-inner a { text-decoration: none; color: white; }

    @media (max-width: 900px) {
      .nav-links a:not(.nav-cta) { display: none; }
      .hero { padding-top: 22px; }
      .hero-grid { grid-template-columns: 1fr; min-height: auto; }
      .hero-copy { padding: 38px 0 44px; }
      .hero-media { height: 520px; }
      .hero-note { transform: none; }
      .section-head, .principles-box, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
      .capabilities { grid-template-columns: repeat(2, 1fr); }
      .capability:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
      .capability:nth-child(4) { border-top: 1px solid var(--line); }
      .steps { grid-template-columns: 1fr; gap: 26px; }
      .step h3 { margin-top: 20px; }
      .portfolio-grid { grid-template-columns: 1fr; grid-template-rows: 440px 280px 280px; }
      .photo:first-child { grid-row: auto; }
      .principles-title, .principle-list { padding: 42px; }
      .intake { border-left: 0; border-top: 1px solid color-mix(in srgb, currentColor 25%, transparent); padding: 28px 0 0; }
    }
    @media (max-width: 560px) {
      .wrap { width: min(100% - 28px, 1180px); }
      .nav { min-height: 60px; }
      .nav-descriptor { display: none; }
      .nav-name { display: inline; }
      .nav-links { gap: 16px; }
      .hero { padding-bottom: 54px; }
      h1 { font-size: 43px; }
      .hero-copy { padding-top: 28px; }
      .hero-copy > p { font-size: 16px; }
      .actions { display: grid; }
      .button { width: 100%; }
      .hero-media { height: 390px; }
      .hero-note { left: 14px; right: 14px; width: auto; bottom: 14px; }
      .intro, .portfolio { padding: 68px 0; }
      .section-head { margin-bottom: 34px; }
      .capabilities { grid-template-columns: 1fr; }
      .capability, .capability + .capability { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0; }
      .capability:first-child { border-top: 0; }
      .cap-num { margin-bottom: 15px; }
      .process { padding: 68px 0; }
      .portfolio-grid { grid-template-rows: 380px 230px 230px; }
      .principles { padding-bottom: 68px; }
      .principles-title, .principle-list { padding: 30px 24px; }
      .principle { grid-template-columns: 38px 1fr; gap: 12px; }
      .contact { padding: 62px 0; }
      .footer-inner { align-items: flex-start; flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }
  
    /* ---- contact forms ---- */
    .forms { padding: 84px 0; }
    .forms-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .form { margin-top: 44px; background: var(--surface); border: 1px solid var(--line); padding: 44px; box-shadow: var(--shadow); }
    .forms-alt .form { box-shadow: none; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 26px; margin-bottom: 28px; }
    .field { display: grid; gap: 8px; align-content: start; }
    .field-full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 600; letter-spacing: .04em; }
    .field input, .field select, .field textarea {
      font: inherit; color: var(--ink); background: var(--bg);
      border: 1px solid var(--line); padding: 12px 14px; width: 100%;
    }
    .field textarea { resize: vertical; min-height: 110px; }
    .field input:focus, .field select:focus, .field textarea:focus {
      outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
    }
    .field [aria-invalid="true"] { border-color: #b3402e; }
    .error { margin: 0; font-size: 13px; color: #b3402e; min-height: 1.2em; }
    .error:empty { display: none; }
    .hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
    .form-note { margin: 16px 0 0; font-size: 13px; color: var(--muted); }
    .form-status { margin-top: 18px; font-size: 15px; font-weight: 500; }
    .form-status:empty { display: none; }
    .form-status.is-ok { color: var(--brand); border-left: 3px solid var(--accent); padding-left: 14px; }
    .form-status.is-error { color: #b3402e; border-left: 3px solid #b3402e; padding-left: 14px; }
    .button[disabled] { opacity: .6; cursor: wait; }
    @media (max-width: 900px) {
      .form { padding: 28px 20px; }
      .form-grid { grid-template-columns: 1fr; }
    }

    /* ---- institutional pages ---- */
    .page-hero { padding: 76px 0 30px; }
    .page-hero h1 { margin: 22px 0 20px; }
    .lede { font-size: 19px; line-height: 1.7; color: var(--muted); max-width: 760px; margin: 0; }
    .legal { max-width: 820px; }
    .legal h2 { font-size: 24px; margin: 38px 0 12px; }
    .legal h2:first-child { margin-top: 0; }
    .legal p { color: var(--muted); font-size: 16px; line-height: 1.75; }
    .legal a { color: var(--brand); }
    .legal-updated { margin-top: 44px; font-size: 13px; color: var(--muted); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 44px; padding: 64px 0 44px; }
    .footer-name { font-family: "Libre Baskerville", serif; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; }
    .footer-brand p { margin: 0; font-size: 14px; color: #9fadc0; max-width: 340px; }
    .footer-col { display: grid; gap: 10px; align-content: start; }
    .footer-col strong { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #8b98ac; margin-bottom: 4px; }
    .footer-col a { text-decoration: none; font-size: 14px; color: #b9c4d4; }
    .footer-col a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding: 22px 0 34px; border-top: 1px solid rgba(255,255,255,.14); font-size: 13px; color: #9fadc0; }
    .footer-bottom a { text-decoration: none; color: #fff; }
    .footer-eho { display: inline-flex; align-items: center; gap: 8px; }
    .footer-eho::before { content: ""; width: 22px; height: 15px; border: 1px solid #9fadc0; background: linear-gradient(to bottom, transparent 46%, #9fadc0 46%, #9fadc0 54%, transparent 54%); }
    @media (max-width: 900px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 560px) {
      .footer-grid { grid-template-columns: 1fr; }
    }

    .nav-logo { width: 48px; height: 48px; border-radius: 12px; display: block; }
    .footer-name { display: flex; align-items: center; gap: 12px; }
    .footer-logo { width: 48px; height: 48px; border-radius: 12px; }