:root {
  --ink: #15234a;
  --ink-2: #33456e;
  --paper: #faf7f0;
  --paper-2: #f2ece1;
  --line: #d1c6b5;
  --accent: #e4b25a;
  --accent-2: #b0842f;
  --muted: #69798c;
  --ok: #2a7a4e;
  --brand-grad: linear-gradient(150deg, #1c2c54 0%, #16233f 55%, #0e1930 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter Tight", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(16, 42, 76, 0.018) 0.8px, transparent 0.8px);
  background-size: 8px 8px;
  pointer-events: none;
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 247, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 70px; gap: 24px; }
.brand { font-family: "Fraunces", serif; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.brand em { color: var(--accent-2); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 24px; font: 500 11px/1 "JetBrains Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent-2); }
.nav-cta, .button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  font: 500 11px/1.2 "JetBrains Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: 0.2s ease;
}
.nav-cta:hover, .button:hover { background: var(--accent-2); border-color: var(--accent-2); }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { background: var(--ink); color: var(--paper); }
.button.light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.button.light:hover { background: var(--accent); border-color: var(--accent); }

.hero { padding: 82px 0 64px; }
.eyebrow, .section-label, .card-kicker, .boundary-label, .priority {
  font: 600 11px/1.25 "JetBrains Mono", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.hero h1, .section-title, .cta h2 { font-family: "Fraunces", serif; font-weight: 500; letter-spacing: -0.02em; }
.hero h1 { max-width: 970px; margin: 16px 0 18px; font-size: clamp(48px, 7vw, 82px); line-height: 0.98; }
.hero .subtitle { max-width: 820px; font-size: 20px; color: var(--ink-2); }
.hero .summary { max-width: 760px; margin-top: 22px; font-size: 17px; color: var(--ink-2); }
.hero-actions, .asset-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.study-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.pill { padding: 7px 11px; border: 1px solid var(--line); background: #fff; font: 600 10px/1 "JetBrains Mono", monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.pill.live { color: var(--ok); }
.pill.documented { color: var(--ink-2); }
.pill.boundary { color: var(--accent-2); }

.notice-stack { display: grid; gap: 12px; margin-top: 34px; }
.notice { padding: 18px 20px; border: 1px solid var(--line); background: #fff; }
.notice.disclaimer { border-left: 4px solid var(--accent); }
.notice.boundary { background: var(--paper-2); }
.notice p { margin-top: 7px; color: var(--ink-2); font-size: 14px; }

.section { padding: 76px 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--paper-2); }
.section.dark { background: var(--brand-grad); color: var(--paper); border-top: 0; }
.section-title { margin: 12px 0 16px; max-width: 940px; font-size: clamp(38px, 5vw, 58px); line-height: 1.02; }
.section-lede { max-width: 790px; color: var(--ink-2); font-size: 17px; }
.dark .section-label { color: var(--accent); }
.dark .section-lede { color: rgba(250, 247, 240, 0.78); }

.insight-panel { padding: 44px; background: var(--brand-grad); color: var(--paper); }
.insight-panel h2 { max-width: 950px; margin: 12px 0 16px; font-family: "Fraunces", serif; font-size: clamp(34px, 5vw, 58px); font-weight: 500; line-height: 1.03; }
.insight-panel p { max-width: 880px; color: rgba(250, 247, 240, 0.78); font-size: 16px; }

.grid { display: grid; gap: 16px; margin-top: 34px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.finding, .decision, .intervention, .strength, .study-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 26px;
}
.finding .number, .intervention .number { font: 600 13px/1 "JetBrains Mono", monospace; color: var(--accent-2); }
.finding h3, .decision h3, .intervention h3, .strength h3, .study-card h2 { margin-top: 22px; font-family: "Fraunces", serif; font-size: 25px; line-height: 1.08; font-weight: 500; }
.finding p, .decision p, .intervention p, .strength p, .study-card p { margin-top: 12px; color: var(--ink-2); font-size: 14px; }
.decision { background: var(--paper); }
.priority { display: inline-block; color: var(--paper); background: var(--ink-2); padding: 6px 9px; letter-spacing: 0.1em; }
.priority.p1 { background: var(--accent-2); }
.intervention { min-height: 220px; }
.strength { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }
.strength h3 { color: var(--paper); font-size: 22px; }
.strength p { color: rgba(250,247,240,0.75); }

.method { display: grid; grid-template-columns: repeat(11, auto); align-items: center; gap: 8px; margin-top: 34px; }
.method-step { min-height: 72px; display: flex; align-items: center; justify-content: center; padding: 12px; background: #fff; color: var(--ink); border: 1px solid rgba(255,255,255,0.22); text-align: center; font: 600 10px/1.35 "JetBrains Mono", monospace; text-transform: uppercase; }
.method-step:last-child { background: var(--accent); }
.method-arrow { color: var(--accent); font: 600 18px/1 "JetBrains Mono", monospace; }
.definition { margin-top: 26px; max-width: 900px; color: rgba(250,247,240,0.76); font-size: 14px; }

.cta { padding: 58px 0; background: var(--ink); color: var(--paper); }
.cta .wrap { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: end; }
.cta h2 { margin: 10px 0 14px; font-size: 48px; line-height: 1.02; }
.cta p { color: rgba(250,247,240,0.76); font-size: 16px; }
.cta .price { margin-top: 18px; color: var(--accent); font: 600 12px/1.2 "JetBrains Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.cta-actions { display: flex; flex-direction: column; gap: 10px; }

.portfolio-hero { padding-bottom: 36px; }
.study-card { display: flex; flex-direction: column; min-height: 330px; }
.study-card .focus { margin-top: 6px; font: 600 11px/1.3 "JetBrains Mono", monospace; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-2); }
.study-card h2 { margin-top: 34px; font-size: 31px; }
.study-card .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 24px; }
.study-card .button { padding: 0 15px; font-size: 9px; }

.featured-studies { padding: 64px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.featured-studies .featured-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 30px; }
.featured-studies h2 { margin-top: 9px; font-family: "Fraunces", serif; font-size: 44px; font-weight: 500; }
.featured-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.featured-card { padding: 24px; background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.featured-card .focus { font: 600 10px/1.3 "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2); }
.featured-card h3 { margin: 22px 0 9px; font-family: "Fraunces", serif; font-size: 26px; font-weight: 500; line-height: 1.05; }
.featured-card p { color: var(--ink-2); font-size: 13px; }
.featured-card a { display: inline-block; margin-top: 18px; font: 600 10px/1 "JetBrains Mono", monospace; letter-spacing: .1em; text-transform: uppercase; border-bottom: 1px solid var(--accent-2); }

footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); font: 500 10px/1.4 "JetBrains Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; }

@media (max-width: 900px) {
  .top .wrap { min-height: 64px; }
  .nav-links { display: none; }
  .grid.three { grid-template-columns: 1fr; }
  .grid.two { grid-template-columns: 1fr; }
  .method { grid-template-columns: 1fr; }
  .method-arrow { transform: rotate(90deg); justify-self: center; }
  .method-step { min-height: 54px; }
  .cta .wrap { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-studies .featured-head { align-items: start; flex-direction: column; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 32px, 1160px); }
  .nav-cta { padding: 0 13px; min-height: 40px; font-size: 9px; }
  .hero { padding: 58px 0 48px; }
  .hero h1 { font-size: 49px; }
  .hero .subtitle { font-size: 17px; }
  .hero .summary { font-size: 15px; }
  .section { padding: 58px 0; }
  .section-title { font-size: 40px; }
  .insight-panel { padding: 30px 24px; }
  .finding, .decision, .intervention, .strength, .study-card { padding: 22px; }
  .intervention { min-height: 0; }
  .cta h2 { font-size: 39px; }
  .hero-actions, .asset-links { flex-direction: column; }
  .button { width: 100%; }
  .footer-row { flex-direction: column; }
}