*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black: #1C1C1C; --dark: #2A2A2A; --mid: #5A5A5A; --light: #757575;
  --pale: #D8D8D8; --rule: #BEBEBE; --white: #FFFFFF; --warm: #F8F6F2;
  --seal: #C23B22; --seal-hover: #A33019;
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--serif); background: var(--white); color: var(--black); -webkit-font-smoothing: antialiased; margin: 0; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--pale); height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 48px; }
.nav-brand { font-family: var(--serif); font-size: 12px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dark); text-decoration: none; }
.nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav-links a { font-family: var(--serif); font-size: 12px; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--light); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--dark); }
.nav-links a.active { color: var(--dark); }
.nav-links a.nav-cta { font-size: 11px; font-weight: 500; letter-spacing: 0.16em; color: #FFFFFF; background: var(--seal); padding: 8px 20px; border: none; display: inline-block; }
.nav-links a.nav-cta:hover { color: #FFFFFF; background: var(--seal-hover); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--dark); }

/* MAIN */
.main { padding-top: 52px; }
.page-inner { max-width: 1100px; margin: 0 auto; padding: 80px 48px 100px; }

/* TYPE */
.eyebrow { font-size: 10px; font-weight: 400; letter-spacing: 0.3em; text-transform: uppercase; color: var(--light); margin-bottom: 20px; display: block; }
.page-title { font-size: 46px; font-weight: 700; letter-spacing: 0.04em; color: var(--dark); line-height: 1.1; margin-bottom: 12px; }
.page-subtitle { font-size: 18px; font-style: italic; color: var(--mid); line-height: 1.5; margin-bottom: 48px; }
.section-rule { width: 80px; height: 1px; background: var(--rule); margin: 36px 0; }
.body-text { font-size: 18px; line-height: 1.75; color: var(--mid); max-width: 640px; }
.body-text p { margin-bottom: 20px; }
.body-text p:last-child { margin-bottom: 0; }

/* BUTTONS */
.btn { display: inline-block; font-family: var(--serif); font-size: 13px; font-weight: 400; letter-spacing: 0.2em; text-transform: uppercase; padding: 14px 36px; text-decoration: none; cursor: pointer; transition: all 0.2s; border: none; }
.btn-dark { background: var(--seal); color: #FFFFFF; }
.btn-dark:hover { background: var(--seal-hover); color: #FFFFFF; transform: translateY(-1px); box-shadow: 0 2px 8px rgba(194,59,34,0.25); }
.btn-outline { background: transparent; color: var(--dark); border: 1px solid var(--pale); }
.btn-outline:hover { border-color: var(--dark); }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 48px; }

/* LAYOUTS */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }

/* CARDS */
.cards-section { margin-top: 80px; padding-top: 48px; border-top: 1px solid var(--pale); }
.cards-label { font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--light); margin-bottom: 36px; display: block; }
.cards-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--pale); border: 1px solid var(--pale); }
.card { background: var(--white); padding: 48px 40px; text-decoration: none; transition: background 0.2s; display: block; }
.card:hover { background: var(--warm); }
.card-glyph { font-size: 32px; color: var(--dark); margin-bottom: 16px; display: block; line-height: 1; }
.card-title { font-size: 22px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.card-sub { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--light); margin-bottom: 16px; }
.card-desc { font-size: 15px; color: var(--mid); line-height: 1.7; }

/* FOUR GRID */
.four-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--pale); border: 1px solid var(--pale); }
.four-grid > div { background: var(--white); padding: 40px 36px; }
.state-glyph { font-size: 28px; color: var(--dark); margin-bottom: 12px; display: block; line-height: 1; }
.state-name { font-size: 20px; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.state-sub { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--light); margin-bottom: 14px; }
.state-desc { font-size: 14px; color: var(--mid); line-height: 1.7; }

/* INFO CARD */
.info-card { border: 1px solid var(--pale); padding: 48px 40px; }
.info-card-label { font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--light); margin-bottom: 20px; }

/* PAPER */
.paper-card { border: 1px solid var(--pale); padding: 48px; max-width: 720px; }
.paper-title { font-size: 24px; font-weight: 700; color: var(--dark); margin-bottom: 8px; line-height: 1.25; }
.paper-meta { font-size: 13px; color: var(--light); line-height: 1.8; margin-bottom: 20px; }
.paper-abstract { font-size: 15px; color: var(--mid); line-height: 1.75; margin-bottom: 28px; padding-left: 20px; border-left: 1px solid var(--pale); }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--pale); border: 1px solid var(--pale); }
.service-card { background: var(--white); padding: 44px 36px; }
.service-title { font-size: 20px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.service-sub { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--light); margin-bottom: 14px; }
.service-desc { font-size: 15px; color: var(--mid); line-height: 1.7; }

/* TIMELINE */
.timeline { margin-top: 48px; border-top: 1px solid var(--pale); }
.timeline-item { display: grid; grid-template-columns: 160px 1fr; gap: 32px; padding: 24px 0; border-bottom: 1px solid var(--pale); align-items: baseline; }
.timeline-period { font-size: 13px; color: var(--light); letter-spacing: 0.06em; }
.timeline-role { font-size: 17px; color: var(--dark); margin-bottom: 2px; }
.timeline-company { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--light); margin-bottom: 6px; }
.timeline-desc { font-size: 14px; color: var(--mid); line-height: 1.65; }

/* BOOK COVER */
.book-mockup { width: 280px; aspect-ratio: 6/9; background: var(--warm); position: relative; box-shadow: 8px 8px 32px rgba(0,0,0,0.12), 2px 2px 8px rgba(0,0,0,0.06); overflow: hidden; }
.book-mockup-title { position: absolute; top: 14%; left: 0; right: 0; text-align: center; padding: 0 14%; }
.book-mockup-title h2 { font-weight: 700; font-size: 18px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--black); margin: 0; line-height: 1.15; }
.book-mockup-title .bm-rule { width: 36px; height: 0.5px; background: var(--pale); margin: 7px auto; }
.book-mockup-title .bm-sub { font-weight: 400; font-style: italic; font-size: 9px; color: var(--mid); margin: 0; line-height: 1.5; }
.book-mockup-symbol { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 54%; }
.book-mockup-author { position: absolute; bottom: 10%; left: 0; right: 0; text-align: center; font-weight: 500; font-size: 7.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--light); }

/* CTA */
.cta-banner { background: var(--warm); padding: 48px; text-align: center; margin-top: 60px; }
.cta-banner-title { font-size: 22px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.cta-banner-sub { font-size: 15px; font-style: italic; color: var(--mid); margin-bottom: 24px; }

/* FOOTER */
.page-footer { border-top: 1px solid var(--pale); padding: 28px 0 0; margin-top: 80px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-text { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--light); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--light); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--dark); }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; position: fixed; top: 52px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--pale); flex-direction: column; padding: 20px; gap: 0; z-index: 200; }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 10px 0; border-bottom: 1px solid var(--pale); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-toggle { display: flex; }
  .page-inner { padding: 48px 20px 80px; }
  .page-title { font-size: 32px; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .cards-grid, .four-grid, .services-grid { grid-template-columns: 1fr; }
  .book-mockup { width: 200px; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .paper-card { padding: 32px 24px; }
  .cta-banner { padding: 32px 20px; }
}
@media (max-width: 600px) { .page-title { font-size: 28px; } }