:root {
  --navy: #07151f;
  --navy-soft: #0d202c;
  --ink: #142028;
  --ivory: #f1eee7;
  --paper: #faf9f6;
  --brass: #b9995d;
  --line: rgba(20, 32, 40, 0.2);
  --serif: "Libre Caslon Display", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; }
a { color: inherit; }

.site-header {
  position: absolute; z-index: 10; top: 0; left: 0; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px clamp(24px, 5vw, 76px); color: white;
}
.wordmark { display: flex; align-items: center; gap: 13px; text-decoration: none; font-size: .88rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-family: var(--serif); font-size: 1.3rem; }
nav { display: flex; align-items: center; gap: clamp(24px, 3.5vw, 54px); font-size: .84rem; }
nav a { text-decoration: none; opacity: .82; transition: opacity .2s ease; }
nav a:hover, nav a:focus-visible { opacity: 1; }
.nav-contact { border-bottom: 1px solid rgba(255,255,255,.75); padding-bottom: 4px; }
.menu-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,.55); color: white; padding: 8px 12px; font: inherit; }

.hero { min-height: 94vh; position: relative; overflow: hidden; color: white; display: flex; align-items: flex-end; padding: 160px clamp(24px, 8vw, 124px) clamp(70px, 9vw, 120px); background: var(--navy); }
.hero-media { position: absolute; inset: 0; background: #07151f url('./hero-architecture.png') center / cover no-repeat; transform: scale(1.01); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,11,16,.78) 0%, rgba(3,11,16,.4) 50%, rgba(3,11,16,.12) 100%), linear-gradient(0deg, rgba(3,11,16,.65), transparent 55%); }
.hero-content { position: relative; z-index: 1; max-width: 920px; }
.eyebrow { margin: 0 0 28px; font-size: .76rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(3.4rem, 7.2vw, 7.7rem); line-height: .93; }
h1 em { color: var(--ivory); font-weight: inherit; }
.hero-copy { max-width: 570px; margin: 38px 0 30px; font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.65; color: rgba(255,255,255,.72); }
.text-link { display: inline-flex; gap: 16px; align-items: center; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.42); padding-bottom: 8px; font-size: .9rem; }
.hero-index { position: absolute; z-index: 1; right: clamp(24px,5vw,76px); bottom: 38px; font-size: .67rem; letter-spacing: .14em; color: rgba(255,255,255,.46); }

.section { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(0, 4fr); gap: clamp(40px,7vw,110px); padding: clamp(92px, 11vw, 170px) clamp(24px, 7vw, 110px); }
.section-label { border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; gap: 20px; height: fit-content; font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.section-label p { margin: 0; }
.section-label span { color: var(--brass); }
.statement-copy { max-width: 1040px; }
.statement h2, .principles h2 { margin: 0; max-width: 940px; font-size: clamp(2.7rem,5vw,5.4rem); line-height: 1.03; }
.two-col-copy { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px,6vw,84px); margin-top: 72px; }
.two-col-copy p { margin: 0; font-size: 1.05rem; line-height: 1.8; color: #4a555b; }

.approach, .book, .contact { background: var(--navy); color: var(--ivory); }
.light-label { border-color: rgba(255,255,255,.22); }
.approach-content h2, .contact-content h2 { margin: 0; max-width: 920px; font-size: clamp(2.8rem,5.3vw,5.8rem); line-height: 1.02; }
.brass { color: var(--brass); }
.pillars { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 86px; border-top: 1px solid rgba(255,255,255,.2); }
.pillars article { padding: 30px 40px 10px 0; min-height: 270px; }
.pillars article + article { border-left: 1px solid rgba(255,255,255,.2); padding-left: 40px; }
.pillar-number { font-family: var(--serif); color: var(--brass); font-size: 1.6rem; }
.pillars h3, .principles-grid h3 { font-family: var(--serif); font-size: 1.65rem; font-weight: 400; margin: 42px 0 16px; }
.pillars p { margin: 0; line-height: 1.7; color: rgba(255,255,255,.62); }

.principles-content { max-width: 1040px; }
.principles-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 78px; border-top: 1px solid var(--line); }
.principles-grid > div { padding: 30px 48px 50px 0; border-bottom: 1px solid var(--line); }
.principles-grid > div:nth-child(even) { border-left: 1px solid var(--line); padding-left: 48px; }
.principles-grid strong { font-size: .75rem; color: var(--brass); }
.principles-grid h3 { margin: 26px 0 10px; }
.principles-grid p { margin: 0; color: #586269; line-height: 1.65; }

.founder-content { display: grid; grid-template-columns: minmax(280px,.78fr) minmax(0,1.42fr); gap: clamp(48px,7vw,100px); align-items: start; max-width: 1120px; }
.founder-portrait { margin: 0; aspect-ratio: 4 / 5; overflow: hidden; background: var(--navy-soft); }
.founder-portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; filter: saturate(.82) contrast(1.04); }
.founder-copy h2 { margin: 0 0 42px; font-size: clamp(2.45rem,4.25vw,4.8rem); line-height: 1.04; }
.founder-copy > p:not(.eyebrow) { margin: 0 0 20px; max-width: 720px; color: #4a555b; font-size: 1rem; line-height: 1.78; }

.book-content { display: grid; grid-template-columns: minmax(190px,.62fr) minmax(0,1.5fr); gap: clamp(50px,8vw,130px); max-width: 1120px; }
.book-kicker { border-top: 1px solid rgba(255,255,255,.2); padding-top: 24px; }
.book-author { margin: 0; color: rgba(255,255,255,.55); font-size: .85rem; line-height: 1.7; }
.book-copy h2 { margin: 0 0 34px; font-size: clamp(3.2rem,6vw,6.7rem); line-height: .96; }
.book-copy h2 em { color: var(--ivory); font-weight: inherit; }
.book-copy > p { max-width: 760px; margin: 0 0 22px; color: rgba(255,255,255,.64); font-size: 1rem; line-height: 1.78; }
.book-copy .book-lead { color: var(--ivory); font-family: var(--serif); font-size: clamp(1.45rem,2.3vw,2.25rem); line-height: 1.32; margin-bottom: 38px; }
.book-copy blockquote { margin: 54px 0 0; padding: 28px 0 0; border-top: 1px solid rgba(185,153,93,.55); max-width: 760px; color: var(--brass); font-family: var(--serif); font-size: clamp(1.5rem,2.6vw,2.6rem); line-height: 1.25; }

.contact { min-height: 70vh; align-items: start; }
.contact-content { align-self: center; }
.email-link { display: inline-flex; align-items: center; gap: 22px; margin-top: 58px; color: var(--brass); font-family: var(--serif); font-size: clamp(1.3rem,2.3vw,2.25rem); text-decoration: none; border-bottom: 1px solid rgba(185,153,93,.55); padding-bottom: 10px; }

footer { display: grid; grid-template-columns: 1fr minmax(280px, 1.5fr) auto; align-items: end; gap: 44px; padding: 54px clamp(24px, 7vw, 110px); background: #041019; color: rgba(255,255,255,.58); border-top: 1px solid rgba(255,255,255,.12); }
.footer-brand { display: flex; align-items: center; gap: 14px; color: white; }
.footer-brand p { margin: 0; font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; line-height: 1.5; }
.footer-brand p span { color: rgba(255,255,255,.45); font-weight: 400; }
.disclaimer { margin: 0; max-width: 580px; font-size: .7rem; line-height: 1.6; }
.copyright { margin: 0; font-size: .7rem; white-space: nowrap; }

@media (max-width: 850px) {
  .site-header { padding: 22px 20px; }
  .menu-toggle { display: block; }
  nav { position: absolute; top: 76px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: flex-start; gap: 22px; padding: 28px; background: rgba(4,16,25,.97); border: 1px solid rgba(255,255,255,.15); }
  nav.open { display: flex; }
  .hero { min-height: 820px; padding: 150px 24px 78px; }
  .hero-index { display: none; }
  .section { grid-template-columns: 1fr; gap: 54px; padding: 90px 24px; }
  .section-label { max-width: none; }
  .two-col-copy, .pillars, .principles-grid, .founder-content, .book-content { grid-template-columns: 1fr; }
  .two-col-copy { margin-top: 46px; gap: 24px; }
  .pillars { margin-top: 56px; }
  .pillars article { min-height: 0; padding: 28px 0 38px; border-bottom: 1px solid rgba(255,255,255,.2); }
  .pillars article + article { border-left: 0; padding-left: 0; }
  .pillars h3 { margin-top: 28px; }
  .principles-grid { margin-top: 52px; }
  .principles-grid > div, .principles-grid > div:nth-child(even) { padding: 28px 0 38px; border-left: 0; }
  .founder-portrait { max-width: 520px; }
  .founder-copy h2 { margin-bottom: 34px; }
  .book-kicker { max-width: 280px; }
  footer { grid-template-columns: 1fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }