:root {
    --navy: #0f2444;
    --teal: #1a7f7a;
    --teal-light: #22a39d;
    --crimson: #b8213a;
    --off-white: #f7f6f2;
    --text: #1e1e1e;
    --muted: #5a5a5a;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Georgia', serif; color: var(--text); background: var(--off-white); }

  nav {
    position: fixed; top: 0; width: 100%; z-index: 100;
    background: var(--navy); padding: 0 5%;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px; box-shadow: 0 2px 12px rgba(0,0,0,.3);
  }
  .nav-logo { color: #fff; font-size: 1rem; font-weight: bold; letter-spacing: .04em; }
  .nav-logo span { color: var(--crimson); }
  .nav-links { display: flex; gap: 1.6rem; list-style: none; }
  .nav-links a { color: #cdd8e8; text-decoration: none; font-family: sans-serif; font-size: .83rem; letter-spacing: .05em; transition: color .2s; }
  .nav-links a:hover { color: var(--crimson); }
  .nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    color: #fff; font-size: 1.6rem; line-height: 1; padding: .2rem .4rem;
  }

  .hero {
    min-height: 100vh; background: var(--navy);
    display: flex; align-items: center; padding: 100px 8% 60px;
    position: relative; overflow: hidden;
  }
  .hero::before {
    content: ''; position: absolute; right: -100px; top: -100px;
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(26,127,122,.18) 0%, transparent 70%);
  }
  .hero-content { max-width: 700px; position: relative; }
  .hero-eyebrow { font-family: sans-serif; font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--crimson); margin-bottom: 1.2rem; }
  .hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); color: #fff; line-height: 1.2; margin-bottom: 1.4rem; }
  .hero h1 span { color: var(--teal-light); }
  .hero p { font-size: 1.12rem; color: #b8cada; line-height: 1.85; margin-bottom: 2.4rem; max-width: 580px; }
  .btn { display: inline-block; padding: .85rem 2rem; border-radius: 3px; font-family: sans-serif; font-size: .9rem; font-weight: 600; letter-spacing: .06em; text-decoration: none; transition: all .2s; cursor: pointer; border: none; }
  .btn-primary { background: var(--crimson); color: #fff; }
  .btn-primary:hover { background: #96182f; }
  .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.35); margin-left: 1rem; }
  .btn-outline:hover { border-color: var(--teal-light); color: var(--teal-light); }

  section { padding: 90px 8%; }
  .section-label { font-family: sans-serif; font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--teal); margin-bottom: .6rem; }
  .section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); color: var(--navy); margin-bottom: 1rem; line-height: 1.3; }
  .section-sub { color: var(--muted); font-size: 1.05rem; line-height: 1.8; max-width: 640px; margin-bottom: 3rem; }

  #about { background: #fff; }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
  .about-stat-row { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-top: 2rem; }
  .stat { border-left: 3px solid var(--crimson); padding-left: 1rem; }
  .stat-num { font-size: 2rem; color: var(--navy); font-weight: bold; }
  .stat-label { font-family: sans-serif; font-size: .82rem; color: var(--muted); margin-top: .2rem; }
  .about-tags { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
  .tag { background: var(--off-white); border: 1px solid #d8d5cc; font-family: sans-serif; font-size: .8rem; padding: .35rem .85rem; border-radius: 2px; color: var(--navy); }

  #services { background: var(--off-white); }
  .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
  .service-card { background: #fff; border-top: 3px solid var(--teal); padding: 2rem; border-radius: 2px; box-shadow: 0 2px 12px rgba(0,0,0,.05); transition: transform .2s, box-shadow .2s; }
  .service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
  .service-card h3 { color: var(--navy); font-size: 1.1rem; margin-bottom: .7rem; }
  .service-card p { color: var(--muted); font-size: .93rem; line-height: 1.75; font-family: sans-serif; }

  #expertise { background: var(--navy); }
  #expertise .section-label { color: var(--crimson); }
  #expertise .section-title { color: #fff; }
  #expertise .section-sub { color: #91afc8; }
  .exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
  .exp-item { border: 1px solid rgba(255,255,255,.1); padding: 1.4rem 1.6rem; border-radius: 2px; background: rgba(255,255,255,.04); }
  .exp-item h4 { color: var(--teal-light); font-family: sans-serif; font-size: .85rem; letter-spacing: .06em; margin-bottom: .6rem; text-transform: uppercase; }
  .exp-item ul { list-style: none; }
  .exp-item ul li { color: #b8cada; font-family: sans-serif; font-size: .88rem; padding: .25rem 0; border-bottom: 1px solid rgba(255,255,255,.05); }
  .exp-item ul li:last-child { border-bottom: none; }

  #work { background: #fff; }
  .work-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.8rem; }
  .work-card { border: 1px solid #e2dfd8; border-radius: 2px; overflow: hidden; transition: box-shadow .2s; }
  .work-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,.1); }
  .work-card-top { background: var(--navy); padding: 1.6rem; }
  .work-type { font-family: sans-serif; font-size: .72rem; letter-spacing: .15em; text-transform: uppercase; color: var(--crimson); margin-bottom: .5rem; }
  .work-card-top h3 { color: #fff; font-size: 1rem; line-height: 1.5; }
  .work-card-bottom { padding: 1.4rem; }
  .work-card-bottom p { color: var(--muted); font-family: sans-serif; font-size: .88rem; line-height: 1.7; }
  .work-tag { display: inline-block; margin-top: .8rem; margin-right: .4rem; background: var(--off-white); font-family: sans-serif; font-size: .75rem; padding: .2rem .65rem; border-radius: 2px; color: var(--teal); border: 1px solid #c9e4e2; }

  #publications { background: var(--off-white); }
  .pub-group { margin-bottom: 3rem; }
  .pub-group:last-child { margin-bottom: 0; }
  .pub-group-title { font-family: sans-serif; font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; color: var(--crimson); border-bottom: 1px solid #ddd; padding-bottom: .5rem; margin-bottom: 1.4rem; }
  .pub-item { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: start; padding: 1.1rem 1.4rem; background: #fff; border-left: 3px solid var(--teal); margin-bottom: .8rem; border-radius: 0 2px 2px 0; }
  .pub-item:last-child { margin-bottom: 0; }
  .pub-title { font-size: .95rem; color: var(--navy); line-height: 1.5; margin-bottom: .3rem; }
  .pub-meta { font-family: sans-serif; font-size: .82rem; color: var(--muted); }
  .pub-link { font-family: sans-serif; font-size: .8rem; color: var(--teal); text-decoration: none; white-space: nowrap; border: 1px solid var(--teal); padding: .3rem .7rem; border-radius: 2px; transition: all .2s; align-self: center; }
  .pub-link:hover { background: var(--teal); color: #fff; }

  #credentials { background: #fff; }
  .cred-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
  .cred-section h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 1.2rem; border-bottom: 2px solid var(--crimson); padding-bottom: .5rem; display: inline-block; }
  .cred-item { margin-bottom: 1.2rem; }
  .cred-item .cred-title { font-family: sans-serif; font-weight: 600; font-size: .93rem; color: var(--navy); }
  .cred-item .cred-sub { font-family: sans-serif; font-size: .85rem; color: var(--muted); margin-top: .15rem; line-height: 1.5; }

  #contact { background: var(--navy); text-align: center; }
  #contact .section-label { color: var(--crimson); }
  #contact .section-title { color: #fff; margin-bottom: 1rem; }
  #contact p { color: #91afc8; font-size: 1.05rem; max-width: 520px; margin: 0 auto 2.5rem; line-height: 1.8; }
  .contact-links { display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap; }
  .contact-link { display: flex; align-items: center; gap: .5rem; font-family: sans-serif; font-size: .9rem; color: #b8cada; text-decoration: none; padding: .7rem 1.4rem; border: 1px solid rgba(255,255,255,.15); border-radius: 3px; transition: all .2s; }
  .contact-link:hover { border-color: var(--teal-light); color: var(--teal-light); }

  footer { background: #08172e; text-align: center; padding: 1.8rem; }
  footer p { font-family: sans-serif; font-size: .8rem; color: #4a6078; }

  @media (max-width: 720px) {
    .about-grid, .cred-grid { grid-template-columns: 1fr; gap: 2rem; }
    .btn-outline { margin-left: 0; margin-top: .8rem; }
    .nav-toggle { display: block; }
    nav .nav-links {
      display: none;
      position: absolute; top: 64px; left: 0; right: 0;
      background: var(--navy);
      flex-direction: column; gap: 0;
      padding: .5rem 0 1rem;
      box-shadow: 0 8px 16px rgba(0,0,0,.3);
    }
    nav .nav-links.open { display: flex; }
    nav .nav-links li a { display: block; padding: .9rem 5%; font-size: .95rem; }
    nav .nav-links a.active { border-bottom: none; border-left: 3px solid var(--crimson); color: #fff; padding-bottom: .9rem; }
    .pub-item { grid-template-columns: 1fr; }
  }

/* ── Multi-page additions ── */

/* Active nav link */
.nav-links a.active { color: #fff; border-bottom: 2px solid var(--crimson); padding-bottom: 4px; }

/* Compact navy header band for interior pages */
.page-header { background: var(--navy); padding: 130px 8% 56px; }
.page-header .section-label { color: var(--crimson); }
.page-header .section-title { color: #fff; margin-bottom: .4rem; }
.page-header p { color: #91afc8; font-size: 1.05rem; line-height: 1.8; max-width: 640px; }

/* Home: stats band */
.home-stats { background: #fff; }
.home-stats .about-stat-row { margin-top: 0; justify-content: space-between; }

/* Home: contact CTA band (mirrors #contact styling) */
.cta-band { background: var(--navy); text-align: center; }
.cta-band .section-label { color: var(--crimson); }
.cta-band .section-title { color: #fff; margin-bottom: 1rem; }
.cta-band p { color: #91afc8; font-size: 1.05rem; max-width: 520px; margin: 0 auto 2.5rem; line-height: 1.8; }

/* Section-level "view more" button row */
.section-more { margin-top: 2.5rem; }

/* Contact page: clear the fixed nav */
#contact.page-top { padding-top: 150px; min-height: calc(100vh - 64px); display: flex; flex-direction: column; justify-content: center; }