:root {
  --ink: #0b1f33;
  --ink-soft: #28425a;
  --paper: #f3f0e8;
  --white: #fbfaf6;
  --amber: #e8a93a;
  --amber-light: #f7cf7a;
  --line: rgba(11, 31, 51, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(1400px, 100%);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 48px;
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.36);
  border-radius: 50%;
  color: var(--amber-light);
  font-family: Georgia, serif;
  font-size: 24px;
  font-style: italic;
}
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-family: Georgia, serif; font-size: 17px; font-weight: 500; }
.brand-copy small { color: rgba(255,255,255,.62); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 34px; font-size: 12px; color: rgba(255,255,255,.72); }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--amber-light); }
.header-cta { border-bottom: 1px solid var(--amber); padding: 10px 0; font-size: 12px; font-weight: 700; }
.header-cta span { margin-left: 8px; color: var(--amber-light); }

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  grid-template-rows: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 158px max(6vw, 48px) 0;
  background:
    radial-gradient(circle at 90% 5%, rgba(45,83,110,.8), transparent 34%),
    linear-gradient(126deg, #07182a 0%, #0d2a43 62%, #123d59 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, transparent 0, black 24%, black 80%, transparent 100%);
}
.hero-content, .hero-principle, .hero-metrics { position: relative; z-index: 2; }
.hero-content { max-width: 850px; padding: 60px 0 75px; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; font-size: 10px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { color: var(--amber-light); }
.eyebrow > span { width: 26px; height: 1px; background: var(--amber); }
h1, h2 { margin: 0; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; letter-spacing: -.045em; }
h1 { max-width: 850px; font-size: clamp(58px, 6.5vw, 104px); line-height: .94; }
h1 em, h2 em { color: var(--amber-light); font-weight: 400; }
.hero-lead { max-width: 660px; margin: 34px 0 0; color: rgba(255,255,255,.69); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 24px; font-size: 12px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--amber); color: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--amber-light); }
.text-link { font-size: 12px; color: rgba(255,255,255,.72); }
.text-link span { margin-left: 10px; color: var(--amber-light); }
.hero-principle { align-self: end; margin-bottom: 66px; border-left: 1px solid rgba(247,207,122,.55); padding: 0 0 0 28px; }
.principle-number { display: block; margin-bottom: 20px; color: var(--amber-light); font-family: Georgia, serif; font-size: 13px; }
.hero-principle p { margin: 0; font-family: Georgia, serif; font-size: 22px; line-height: 1.42; }
.principle-label { display: block; margin-top: 18px; color: rgba(255,255,255,.48); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; }
.hero-orbit { position: absolute; z-index: 1; border: 1px solid rgba(247,207,122,.15); border-radius: 50%; }
.orbit-one { width: 570px; height: 570px; top: 90px; right: -190px; }
.orbit-two { width: 360px; height: 360px; top: 192px; right: -84px; border-color: rgba(255,255,255,.08); }
.hero-metrics { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0 calc(max(6vw, 48px) * -1); padding: 22px max(6vw, 48px); border-top: 1px solid rgba(255,255,255,.15); background: rgba(2,13,25,.28); backdrop-filter: blur(8px); }
.hero-metrics div { display: flex; align-items: baseline; gap: 13px; min-height: 54px; padding: 8px 30px; border-right: 1px solid rgba(255,255,255,.12); }
.hero-metrics div:first-child { padding-left: 0; }
.hero-metrics div:last-child { border-right: 0; }
.hero-metrics strong { color: var(--amber-light); font-family: Georgia, serif; font-size: 34px; font-weight: 400; }
.hero-metrics span { max-width: 130px; color: rgba(255,255,255,.56); font-size: 10px; line-height: 1.4; text-transform: uppercase; letter-spacing: .08em; }

.program-intro { padding: 112px max(6vw, 48px) 120px; }
.section-kicker { color: #627486; }
.section-kicker span { color: var(--amber); font-family: Georgia, serif; font-size: 13px; }
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 10vw; align-items: start; }
.intro-grid h2 { max-width: 680px; font-size: clamp(44px, 5vw, 72px); line-height: 1.02; }
.intro-grid h2 em { color: #b57a19; }
.intro-copy { padding-top: 10px; border-top: 1px solid var(--line); }
.intro-copy p { margin: 20px 0 0; color: var(--ink-soft); font-size: 16px; line-height: 1.75; }
.intro-copy p:first-child { margin-top: 24px; font-size: 19px; color: var(--ink); }
.benefit-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 86px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-strip article { padding: 32px 38px 36px 0; border-right: 1px solid var(--line); }
.benefit-strip article + article { padding-left: 38px; }
.benefit-strip article:last-child { border-right: 0; }
.benefit-strip article > span { color: #a06c17; font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.benefit-strip h3 { margin: 18px 0 11px; font-family: Georgia, serif; font-size: 25px; font-weight: 400; }
.benefit-strip p { margin: 0; color: #607184; font-size: 13px; line-height: 1.7; }

.objectives { display: grid; grid-template-columns: .86fr 1.14fr; gap: 9vw; align-items: start; padding: 118px 0; }
.mini-label { margin: 0 0 18px; color: #a06c17; font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.objectives h3 { max-width: 560px; margin: 0; font-family: Georgia, serif; font-size: clamp(32px, 3.4vw, 52px); font-weight: 400; line-height: 1.12; }
.objectives ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.objectives li { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.objectives li > span { color: #b57a19; font-family: Georgia, serif; font-size: 13px; }
.objectives li p { margin: 0; color: #526678; font-size: 15px; line-height: 1.6; }
.objectives li strong { color: var(--ink); }

.architecture { margin: 0 calc(max(6vw, 48px) * -1) -120px; padding: 110px max(6vw, 48px) 70px; background: var(--ink); color: #fff; }
.architecture-heading { display: grid; grid-template-columns: .7fr 1.35fr .95fr; gap: 6vw; align-items: end; }
.section-kicker.light { align-self: start; color: rgba(255,255,255,.52); }
.architecture h2 { font-size: clamp(42px, 5vw, 70px); line-height: 1.03; }
.architecture-heading > p { margin: 0 0 5px; color: rgba(255,255,255,.58); font-size: 15px; line-height: 1.7; }
.architecture-rail { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 82px; border-top: 1px solid rgba(255,255,255,.16); }
.architecture-rail article { display: grid; grid-template-columns: 42px 1fr; gap: 18px; min-height: 180px; padding: 28px 30px 28px 0; border-right: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.architecture-rail article:nth-child(3n + 2), .architecture-rail article:nth-child(3n + 3) { padding-left: 30px; }
.architecture-rail article:nth-child(3n) { border-right: 0; }
.architecture-rail article > span { color: var(--amber-light); font-family: Georgia, serif; font-size: 13px; }
.architecture-rail h3 { margin: 0 0 13px; font-family: Georgia, serif; font-size: 22px; font-weight: 400; }
.architecture-rail p { margin: 0; color: rgba(255,255,255,.51); font-size: 12px; line-height: 1.65; }
.system-note { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 50px; padding: 22px 0 0; }
.system-note > span { color: var(--amber-light); font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.system-note p { margin: 0; color: rgba(255,255,255,.62); font-family: Georgia, serif; font-size: 16px; }
.system-note b { padding: 0 8px; color: var(--amber); font-weight: 400; }

.conversion { background: var(--white); }
.audience-line { display: grid; grid-template-columns: .45fr 1.55fr; gap: 6vw; padding: 28px max(6vw, 48px); background: var(--amber); color: var(--ink); }
.audience-line span { font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.audience-line p { margin: 0; font-size: 11px; line-height: 1.5; }
.authorship-section { position: relative; display: grid; grid-template-columns: .64fr 1.36fr; gap: 8vw; padding: 120px max(6vw, 48px) 90px; background: #eae5d9; }
.authorship-photo-wrap { align-self: start; }
.authorship-photo-frame { position: relative; overflow: hidden; max-width: 430px; aspect-ratio: 1 / 1.08; background: #cfd8dd; }
.authorship-photo { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: saturate(.82) contrast(1.03); }
.authorship-photo-frame::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(11,31,51,.12); pointer-events: none; }
.photo-index { position: absolute; right: 0; bottom: 0; padding: 16px 18px; background: var(--amber); color: var(--ink); font-family: Georgia, serif; font-size: 18px; }
.authorship-photo-wrap > p { max-width: 330px; margin: 18px 0 0; color: #697b89; font-size: 10px; line-height: 1.55; letter-spacing: .11em; text-transform: uppercase; }
.authorship-content h2 { max-width: 860px; font-size: clamp(44px, 5vw, 72px); line-height: 1.03; }
.authorship-content h2 em { color: #a77016; }
.authorship-copy { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 40px; margin-top: 42px; padding-top: 30px; border-top: 1px solid var(--line); }
.authorship-copy p { margin: 0; color: #52687a; font-size: 14px; line-height: 1.78; }
.authorship-copy p:first-child { color: var(--ink); font-size: 16px; }
.authorship-copy p:last-child { grid-column: 1 / -1; }
.authorship-copy cite { font-family: Georgia, serif; color: var(--ink); }
.profile-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 34px; padding-bottom: 8px; border-bottom: 1px solid #a77016; color: var(--ink); font-size: 11px; font-weight: 700; }
.profile-link span { color: #a77016; }
.independence-note { grid-column: 2; display: grid; grid-template-columns: 150px 1fr; gap: 34px; margin-top: 22px; padding: 24px 0 0; border-top: 1px solid var(--line); }
.independence-note span { color: #9a6e20; font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.independence-note p { margin: 0; color: #697b89; font-size: 12px; line-height: 1.7; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; padding: 120px max(6vw, 48px); }
.faq-heading { position: sticky; top: 40px; align-self: start; }
.faq-heading h2 { max-width: 540px; font-size: clamp(42px, 4.8vw, 68px); line-height: 1.05; }
.faq-heading h2 em { color: #b57a19; }
.faq-heading > p { max-width: 430px; margin: 28px 0 0; color: #647586; font-size: 15px; line-height: 1.7; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 25px 0; cursor: pointer; list-style: none; font-family: Georgia, serif; font-size: 19px; line-height: 1.35; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { flex: 0 0 auto; color: #b57a19; font-family: Arial, sans-serif; font-size: 24px; font-weight: 300; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 650px; margin: -5px 48px 26px 0; color: #5d7082; font-size: 14px; line-height: 1.75; }

.demo-card { display: grid; grid-template-columns: 1.15fr .85fr; margin: 0 max(3vw, 24px); background: linear-gradient(128deg, #0a2035, #123d59); color: #fff; }
.demo-copy { padding: 82px max(5vw, 54px); }
.demo-copy h2 { max-width: 760px; font-size: clamp(44px, 5vw, 74px); line-height: 1.02; }
.demo-copy > p:not(.mini-label) { max-width: 640px; margin: 26px 0 0; color: rgba(255,255,255,.6); font-size: 16px; line-height: 1.7; }
.demo-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.text-link.dark { color: rgba(255,255,255,.68); }
.demo-agenda { padding: 82px 54px; border-left: 1px solid rgba(255,255,255,.14); background: rgba(2,13,25,.18); }
.agenda-title { display: block; margin-bottom: 34px; color: var(--amber-light); font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.demo-agenda ol { margin: 0; padding: 0; list-style: none; }
.demo-agenda li { display: grid; grid-template-columns: 36px 1fr; gap: 18px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.13); }
.demo-agenda li:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.demo-agenda li span { color: var(--amber-light); font-family: Georgia, serif; font-size: 12px; }
.demo-agenda li p { margin: 0; font-family: Georgia, serif; font-size: 18px; line-height: 1.35; }
footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: center; padding: 44px max(6vw, 48px); background: var(--ink); color: #fff; }
.footer-brand .brand-mark { width: 34px; height: 34px; font-size: 19px; }
footer > p { margin: 0; color: rgba(255,255,255,.46); font-size: 11px; line-height: 1.5; }
.office-link { color: rgba(255,255,255,.75); border-bottom: 1px solid rgba(247,207,122,.45); }
.office-link:hover, .office-link:focus-visible { color: var(--amber-light); }
footer > a:last-child { color: var(--amber-light); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-left: 28px; padding-right: 28px; }
  .hero-content { padding-bottom: 0; }
  .hero-principle { max-width: 500px; margin-bottom: 20px; }
  .hero-metrics { margin: 0 -28px; padding-left: 28px; padding-right: 28px; }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .objectives { grid-template-columns: 1fr; gap: 50px; }
  .architecture-heading { grid-template-columns: 1fr; gap: 30px; }
  .architecture-rail { grid-template-columns: repeat(2, 1fr); }
  .architecture-rail article:nth-child(n) { padding-left: 24px; padding-right: 24px; border-right: 1px solid rgba(255,255,255,.13); }
  .architecture-rail article:nth-child(2n) { border-right: 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .authorship-section { grid-template-columns: .7fr 1.3fr; gap: 6vw; }
  .authorship-copy { grid-template-columns: 1fr; }
  .authorship-copy p:last-child { grid-column: auto; }
  .independence-note { grid-column: 1 / -1; }
  .faq-heading { position: static; }
  .demo-card { grid-template-columns: 1fr; }
  .demo-agenda { border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
}

@media (max-width: 640px) {
  .site-header { padding: 20px 22px; }
  .brand-copy small { display: none; }
  .header-cta { font-size: 0; }
  .header-cta span { font-size: 18px; }
  .hero { min-height: 760px; padding-top: 128px; }
  h1 { font-size: 54px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-principle p { font-size: 19px; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metrics div { min-height: 45px; padding: 9px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.09); }
  .program-intro { padding: 80px 24px; }
  .benefit-strip { grid-template-columns: 1fr; margin-top: 58px; }
  .benefit-strip article, .benefit-strip article + article { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .objectives { padding: 80px 0; }
  .architecture { margin: 0 -24px -80px; padding: 80px 24px 55px; }
  .architecture-rail { grid-template-columns: 1fr; margin-top: 55px; }
  .architecture-rail article:nth-child(n) { min-height: auto; padding: 24px 0; border-right: 0; }
  .system-note { align-items: flex-start; flex-direction: column; }
  .system-note p { font-size: 14px; line-height: 2; }
  .system-note b { padding: 0 3px; }
  .audience-line { grid-template-columns: 1fr; gap: 10px; padding: 25px 24px; }
  .authorship-section { grid-template-columns: 1fr; padding: 80px 24px; }
  .authorship-photo-frame { max-width: 100%; }
  .authorship-content { margin-top: 25px; }
  .authorship-content h2 { font-size: 43px; }
  .authorship-copy { margin-top: 34px; }
  .independence-note { grid-template-columns: 1fr; gap: 12px; }
  .faq-grid { padding: 80px 24px; gap: 55px; }
  .faq-list summary { font-size: 17px; }
  .demo-card { margin: 0 12px; }
  .demo-copy { padding: 60px 28px; }
  .demo-copy h2 { font-size: 43px; }
  .demo-actions { align-items: flex-start; flex-direction: column; }
  .demo-agenda { padding: 50px 28px; }
  footer { grid-template-columns: 1fr; padding: 44px 24px; }
}