:root {
  --navy: #020322;
  --navy-line: rgba(255, 255, 255, 0.55);
  --paper: #f8f8f6;
  --white: #ffffff;
  --lime: #6ee30a;
  --chartreuse: #d6ff63;
  --sky: #9dd3ff;
  --ink: #020322;
  --muted: #45475e;
  --display: "Faculty Glyphic", Georgia, serif;
  --body: "Almarai", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 52px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; line-height: 1.12; margin: 0 0 0.6em; letter-spacing: -0.01em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* Header */
.site-header { background: var(--white); border-bottom: 1px solid #ddd; position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-name { font-family: var(--display); font-size: 32px; line-height: 1; }
.brand-sub { display: block; font-size: 13px; color: var(--muted); letter-spacing: 0.01em; margin-top: 4px; }
.nav { display: flex; gap: 24px; font-size: 15px; }
.nav a { text-decoration: none; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: currentColor; }

/* Sections */
section { padding: clamp(64px, 9vw, 110px) 0; }
.navy { background: var(--navy); color: var(--white); }
.paper { background: var(--paper); }
.chartreuse { background: var(--chartreuse); }
.sky { background: var(--sky); }
.lime { background: var(--lime); }

.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.04em; margin-bottom: 10px; }
.eyebrow.caps { text-transform: uppercase; }
.lead { font-weight: 700; }

.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.split > * { min-width: 0; }
.split + .split { margin-top: clamp(56px, 8vw, 96px); }
.rule { border-top: 1px solid var(--navy-line); padding-top: 40px; }
.big { font-size: clamp(44px, 6vw, 68px); line-height: 1.02; }
.col-text { max-width: 560px; }

/* Hero */
.hero .split { grid-template-columns: 1fr 1fr; align-items: center; }
.hero-img { aspect-ratio: 1; border-radius: 50%; overflow: hidden; max-width: 540px; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: 30% 50%; }
.hero h1 { font-size: clamp(32px, 3.6vw, 40px); }
.formerly { font-size: 14px; color: var(--muted); border-top: 1px solid #ddd; padding-top: 14px; margin-top: 24px; }

/* Questions */
details { border-top: 1px solid rgba(255,255,255,0.3); border-bottom: 1px solid rgba(255,255,255,0.3); margin-top: 32px; }
summary { font-family: var(--display); font-size: 26px; padding: 18px 0; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--body); font-size: 26px; }
details[open] summary::after { content: "–"; }
details ul { margin: 0 0 24px; padding-left: 20px; }
details li { margin-bottom: 10px; }

/* Lines of inquiry */
.lines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.line { border-top: 2px solid var(--ink); padding-top: 22px; }
.line h3 { font-size: 26px; margin-bottom: 14px; }
.line .asks { font-family: var(--display); font-size: 19px; line-height: 1.35; margin-bottom: 14px; }
.line p { font-size: 16px; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; border: 1px solid currentColor; border-radius: 999px; padding: 3px 10px; margin-bottom: 16px; }

/* Relational Architecture */
.thesis { font-family: var(--display); font-size: clamp(24px, 2.6vw, 32px); line-height: 1.3; color: var(--chartreuse); margin: 8px 0 32px; }
.vocab { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 32px; margin: 32px 0 8px; }
.vocab dt { font-family: var(--display); font-size: 20px; color: var(--lime); }
.vocab dd { margin: 4px 0 0; font-size: 15px; }
.note { font-size: 14px; opacity: 0.8; }

/* Paper */
.paper-title { color: var(--lime); font-size: clamp(28px, 3vw, 36px); margin-bottom: 14px; }
.paper-sub { font-weight: 700; font-size: 18px; }
.meta { margin: 24px 0; }
.meta b { font-weight: 700; }
.buttons { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; margin-top: 8px; }
.btn { display: inline-block; text-decoration: none; text-align: center; padding: 13px 30px; border-radius: 999px; font-size: 15px; min-width: 290px; border: 1px solid var(--lime); }
.btn-fill { background: var(--lime); color: var(--navy); }
.btn-line { color: var(--lime); }
.btn-dark { background: var(--navy); color: var(--lime); border-color: var(--navy); min-width: 0; }
.btn:hover { filter: brightness(1.08); }

/* Quotes */
.quote-band blockquote { max-width: 620px; margin: 0 auto; font-size: 19px; font-style: italic; }
.quote-band cite { display: block; max-width: 620px; margin: 18px auto 0; font-style: normal; font-size: 15px; }
.quote-band cite i { font-style: italic; }
.quote-display { font-family: var(--display); font-style: normal !important; font-size: clamp(22px, 2.5vw, 30px) !important; line-height: 1.3; max-width: 760px !important; }

/* Wheel */
.wheel img { width: 100%; max-width: 460px; height: auto; margin: 0 auto; }
.wheel h2 { font-size: clamp(40px, 5vw, 56px); }
.wheel h3 { font-size: 26px; }

/* Compass */
.compass { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 28px; }
.compass li { border-top: 1px solid var(--ink); padding-top: 12px; font-size: 16px; }
.compass b { display: block; font-family: var(--display); font-weight: 400; font-size: 20px; margin-bottom: 4px; }

/* Lime */
.lime h2 { font-size: clamp(30px, 3.4vw, 40px); }
.lime h3 { font-size: 26px; }

/* About */
.about h1 { font-size: clamp(40px, 5vw, 58px); }
.about .col-text p { font-size: 18px; }

/* Footer */
.site-footer { padding: 56px 0 64px; text-align: center; font-size: 15px; }
.site-footer .brand { justify-content: center; margin-bottom: 18px; }
.site-footer p { max-width: 520px; margin: 0 auto 12px; }
.site-footer .small { font-size: 13px; color: var(--muted); }

@media (max-width: 860px) {
  .split, .hero .split { grid-template-columns: 1fr; }
  .lines { grid-template-columns: 1fr; }
  .vocab, .compass { grid-template-columns: 1fr; }
  .hero-img { max-width: 360px; margin: 0 auto; }
  .brand-name { font-size: 26px; }
  .brand-sub { display: none; }
  .nav { gap: 16px; font-size: 14px; }
  .btn { min-width: 0; width: 100%; }
  .buttons { align-items: stretch; }
}
@media (max-width: 420px) {
  .nav a.opt { display: none; }
}