/* Prescient One Advisors — quiet elite consultancy
   paper / ink / one deep green accent · Instrument Serif + Inter + IBM Plex Mono */

:root {
  --paper: #f7f6f2;
  --paper-2: #efede6;
  --ink: #11110f;
  --ink-2: #2a2926;
  --graphite: #5a5851;
  --stone: #8b887f;
  --rule: #dad7cd;
  --rule-dark: #2e2d29;
  --accent: #14543f;
  /* the mark: one piece of markup, recoloured per ground */
  --mark-disc: #0f3d2e;
  --mark-lit: #f7f6f2;
  --mark-shade: #5e7c71;
  --accent-soft: #6fa98c;

  --serif: "Instrument Serif", "Iowan Old Style", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --wrap: 1180px;
  --gutter: 40px;
  --section: clamp(84px, 11vw, 160px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 12px 18px;
  border-radius: 999px; font-size: 14px; transition: top .18s;
}
.skip:focus { top: 14px; }
main:focus { outline: none; }

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

/* ── type ─────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 28px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--accent);
}
.display {
  font-family: var(--serif);
  font-size: clamp(46px, 7.6vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.022em;
}
.display em, .h2 em, .h3 em { font-style: italic; color: var(--accent); }
.h2 {
  font-family: var(--serif);
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.016em;
}
.h3 {
  font-family: var(--serif);
  font-size: clamp(25px, 2.5vw, 32px);
  line-height: 1.14;
  letter-spacing: -0.008em;
}
.lede {
  font-size: clamp(18px, 1.55vw, 21px);
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 35em;
}
.muted { color: var(--graphite); }
.mono {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--stone);
}

/* ── nav ──────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 246, 242, 0.88);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand svg { width: 27px; height: 27px; flex: none; }
.brand .m-disc { fill: var(--mark-disc); }
.brand .m-lit { fill: var(--mark-lit); }
.brand .m-shade { fill: var(--mark-shade); }
.brand-word {
  font-family: var(--serif); font-size: 25px; line-height: 1; letter-spacing: -0.004em; white-space: nowrap;
}
.brand-sub { align-self: center; font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--stone); margin-left: 12px; padding-left: 12px; border-left: 1px solid var(--rule); }
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: 14px; color: var(--graphite); position: relative; padding: 6px 0;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--accent);
}
.nav-links .btn { color: var(--paper); padding: 11px 20px; }
.nav-links .btn:hover { color: var(--paper); }

.nav-burger {
  display: none; width: 44px; height: 44px; margin-right: -10px;
  background: none; border: 0; padding: 0; cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 6px;
}
.nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: transform .25s, opacity .2s; }
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

.mobile-menu {
  display: none; border-top: 1px solid var(--rule); background: var(--paper);
  padding: 8px var(--gutter) 28px;
}
.mobile-menu a {
  display: block; font-family: var(--serif); font-size: 30px; line-height: 1;
  padding: 18px 0; border-bottom: 1px solid var(--rule);
}
.mobile-menu a:last-child { border-bottom: 0; color: var(--accent); font-style: italic; }
.mobile-menu.open { display: block; }

/* ── buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 14px; font-weight: 500; letter-spacing: 0.01em;
  padding: 15px 26px; border-radius: 999px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper); cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); }
.link {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500;
  border-bottom: 1px solid var(--rule); padding-bottom: 4px; transition: border-color .2s, color .2s;
}
.link:hover { border-color: var(--accent); color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ── sections ─────────────────────────────────────── */
section { padding: var(--section) 0; }
.rule-top { border-top: 1px solid var(--rule); }
.tint { background: var(--paper-2); }

.hero { padding: clamp(72px, 10vw, 148px) 0 clamp(72px, 9vw, 128px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 72px; align-items: end; }
.hero .display { margin-bottom: 40px; }
.hero .lede { margin-bottom: 44px; }

.card-index { border-top: 1px solid var(--ink); margin: 0; }
.card-index div { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.card-index dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--stone); padding-top: 3px; }
.card-index dd { margin: 0; font-size: 14px; text-align: right; color: var(--ink-2); }

.page-hero { padding: clamp(64px, 8vw, 120px) 0 clamp(56px, 7vw, 96px); }
.page-hero .display { font-size: clamp(44px, 6.4vw, 88px); margin-bottom: 36px; max-width: 12em; }

.strip { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 0; }
.strip ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.strip li { padding: 26px 24px 26px 0; font-family: var(--serif); font-size: 21px; line-height: 1.2; }
.strip li + li { padding-left: 24px; border-left: 1px solid var(--rule); }
.strip li span { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--stone); margin-bottom: 10px; }

.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 7vw, 112px); align-items: start; }
.split .sticky { position: sticky; top: 120px; }
.prose p { color: var(--ink-2); }
.prose p.first::first-letter {
  font-family: var(--serif); font-size: 4.1em; line-height: 0.82; float: left; padding: 6px 12px 0 0; color: var(--accent);
}

.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: clamp(44px, 5vw, 72px); }
.section-head .h2 { max-width: 13em; }

/* numbered list rows */
.rows { border-top: 1px solid var(--ink); }
.row {
  display: grid; grid-template-columns: 84px minmax(0, 4fr) minmax(0, 6fr); gap: 32px;
  padding: 34px 0; border-bottom: 1px solid var(--rule); align-items: baseline;
  transition: padding-left .3s;
}
a.row:hover { padding-left: 10px; }
a.row:hover .h3 { color: var(--accent); }
.row .n { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--stone); }
.row .h3 { transition: color .2s; }
.row p { color: var(--graphite); font-size: 16px; }
.row ul { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.row ul li {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--graphite); border: 1px solid var(--rule); border-radius: 999px; padding: 5px 11px;
}

/* grid cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--rule); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--rule); }
.cell { padding: 38px 34px 42px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.cell .n { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--accent); display: block; margin-bottom: 44px; }
.cell .h3 { margin-bottom: 14px; }
.cell p { font-size: 15.5px; color: var(--graphite); }
.cell dl { margin: 24px 0 0; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 14px; }
.cell dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--stone); margin-bottom: 6px; }
.cell dd { margin: 0 0 14px; color: var(--ink-2); }
.cell dd:last-child { margin-bottom: 0; }

/* dark band */
.band { background: var(--ink); color: var(--paper); }
.band .eyebrow { color: #a5a298; }
.band .eyebrow::before { background: var(--accent-soft); }
.band .h2 em, .band .quote em { color: #6fa98c; }
.quote { font-family: var(--serif); font-size: clamp(30px, 4.3vw, 58px); line-height: 1.1; letter-spacing: -0.014em; max-width: 19em; }
.band .muted { color: #a5a298; }
.band .rows { border-top-color: var(--paper); }
.band .row { border-bottom-color: var(--rule-dark); }
.band .row p { color: #b3b0a6; }
.band .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.band .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.not-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.not-list li { padding: 22px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 32px 1fr; gap: 8px; color: var(--ink-2); }
.not-list li::before { content: "—"; color: var(--accent); }

.cta { text-align: left; }
.cta .h2 { max-width: 14em; margin-bottom: 36px; }

/* ── form ─────────────────────────────────────────── */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 32px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--graphite); }
.field label small { text-transform: none; letter-spacing: 0; font-family: var(--sans); font-size: 12px; color: var(--stone); margin-left: 6px; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 16px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--stone);
  border-radius: 0; padding: 10px 0 12px; width: 100%; appearance: none; -webkit-appearance: none;
  transition: border-color .2s;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2311110f' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 2px center; padding-right: 24px;
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.55; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--accent); box-shadow: 0 1px 0 var(--accent); }
.form .hp { position: absolute; left: -9999px; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 8px; }
.form-foot p { font-size: 13.5px; color: var(--stone); max-width: 34em; margin: 0; }

/* ── footer ───────────────────────────────────────── */
.footer { --mark-disc: #6fa98c; --mark-lit: #11110f; --mark-shade: #4f7562;
  border-top: 1px solid var(--rule-dark); background: var(--ink); color: #b3b0a6; padding: 80px 0 40px; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 64px; border-bottom: 1px solid var(--rule-dark); }
.footer .brand { color: var(--paper); margin-bottom: 20px; }
.footer .brand-sub { color: #807d74; border-left-color: var(--rule-dark); }
.footer p { max-width: 26em; }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: #807d74; margin-bottom: 18px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 10px; }
.footer a:hover { color: var(--paper); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 28px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: #807d74; }

/* ── reveal ───────────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── responsive ───────────────────────────────────── */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; align-items: start; }
  .split { grid-template-columns: 1fr; }
  .split .sticky { position: static; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .row { grid-template-columns: 56px 1fr; }
  .row > :last-child { grid-column: 2; }
  .strip ul { grid-template-columns: repeat(2, 1fr); }
  .strip li:nth-child(3) { padding-left: 0; border-left: 0; }
  .strip li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  :root { --gutter: 22px; }
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-inner { height: 64px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .cell { padding: 30px 24px 34px; }
  .cell .n { margin-bottom: 28px; }
  .form { grid-template-columns: 1fr; }
  .row { gap: 10px 16px; padding: 28px 0; }
}
@media (max-width: 560px) {
  .brand-sub { display: none; }
  .brand-word { font-size: 21px; }
}
@media (max-width: 480px) {
  .strip ul { grid-template-columns: 1fr; }
  .strip li, .strip li + li { padding: 20px 0; border-left: 0; }
  .strip li + li { border-top: 1px solid var(--rule); }
  .actions .btn { width: 100%; justify-content: center; }
}