/* Layout: a calm advisory page on white with a deep blue accent; one signature diagram (four disciplines, AI at the crossing, customer value as the ground) carries the thesis. */
:root {
  --paper: #ffffff;
  --surface: #f4f7fc;
  --ink: #101a2c;
  --ink-2: #4a5770;
  --line: #d6dde9;
  --accent: #1d4fa3;
  --accent-soft: #e2eaf8;
  --on-accent: #ffffff;
  --brass: #94661c;
  --danger: #a3342b;

  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --step--1: 0.84rem;
  --step-0: 1.06rem;
  --step-1: 1.3rem;
  --step-2: clamp(1.55rem, 1.2rem + 1.2vw, 2rem);
  --step-3: clamp(2.1rem, 1.4rem + 2.8vw, 3.5rem);
  --wrap: 72rem;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0c1220; --surface: #131b2c; --ink: #e5eaf3; --ink-2: #9ca8bf;
    --line: #26324a; --accent: #7ea7f2; --accent-soft: #19284a; --on-accent: #08142e;
    --brass: #d6a75a; --danger: #ef8a7f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0c1220; --surface: #131b2c; --ink: #e5eaf3; --ink-2: #9ca8bf;
  --line: #26324a; --accent: #7ea7f2; --accent-soft: #19284a; --on-accent: #08142e;
  --brass: #d6a75a; --danger: #ef8a7f; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: var(--wrap); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; margin: 0; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); font-weight: 500; letter-spacing: -0.005em; }
p { margin: 0; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.label {
  font-family: var(--f-mono); font-size: var(--step--1); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.09em; color: var(--accent);
}
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--ink-2); max-width: 38rem; }
.prose { display: grid; gap: 1rem; max-width: 38rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--f-display); font-weight: 500; font-size: 1rem;
  background: var(--accent); color: var(--on-accent);
  border: 0; border-radius: var(--radius); padding: 0.8rem 1.25rem;
  text-decoration: none; cursor: pointer; transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* Header */
header.site {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.85rem; }
.mark { display: flex; align-items: baseline; gap: 0.5rem; text-decoration: none; color: var(--ink); }
.mark b { font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; }
.mark span { font-family: var(--f-mono); font-size: 0.72rem; color: var(--ink-2); letter-spacing: .08em; }
nav.primary { display: flex; align-items: center; gap: 1.5rem; }
nav.primary a { font-family: var(--f-display); font-size: 0.95rem; color: var(--ink-2); text-decoration: none; }
nav.primary a:hover { color: var(--ink); }
nav.primary .btn { color: var(--on-accent); padding: 0.55rem 1rem; font-size: 0.92rem; }
@media (max-width: 760px) { nav.primary a:not(.btn) { display: none; } }

section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
section + section { border-top: 1px solid var(--line); }

/* Hero */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 6vw, 5rem); }
.hero .wrap { display: grid; gap: clamp(2.5rem, 5vw, 4rem); grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; }
@media (max-width: 880px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }
.hero-copy { display: grid; gap: 1.5rem; min-width: 0; }
.hero h1 { font-size: clamp(2.5rem, 1.5rem + 4.2vw, 4.6rem); letter-spacing: -0.03em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.hero-actions .quiet { font-family: var(--f-display); color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.hero-actions .quiet:hover { border-color: var(--ink); }

/* Signature diagram */
.model { position: relative; display: grid; gap: 0.6rem; min-width: 0; margin: 0; }
.quad { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; }
.cell { min-width: 0; }
.cell {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1rem 1.1rem; min-height: 8.5rem; display: grid; align-content: space-between; gap: .75rem;
}
.quad { --node: clamp(5rem, 24%, 7.5rem); }
.cell { min-height: 9.5rem; align-content: start; gap: .5rem; }
.cell:nth-child(odd) { padding-right: calc(var(--node) / 2 + 0.6rem); }
.cell:nth-child(even) { text-align: right; padding-left: calc(var(--node) / 2 + 0.6rem); }
.cell:nth-child(3), .cell:nth-child(4) { align-content: end; }
@media (max-width: 480px) { .quad { --node: 4.4rem; } .cell { padding-inline: 0.75rem; } .cell .v { font-size: 0.95rem; } .cell .k { font-size: 0.66rem; letter-spacing: .06em; } .node span { display: none; } }
.cell:nth-child(3) .k, .cell:nth-child(4) .k { order: 2; }
.cell .k { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); }
.cell .v { font-family: var(--f-display); font-size: 1.12rem; font-weight: 500; line-height: 1.2; }
.node {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: var(--node); aspect-ratio: 1; max-width: 100%;
  border-radius: 50%; background: var(--paper); border: 1.5px solid var(--brass);
  display: grid; place-content: center; text-align: center; gap: 0.1rem;
  box-shadow: 0 0 0 0.6rem var(--paper);
}
.node b { font-family: var(--f-display); font-size: 1.6rem; color: var(--brass); line-height: 1; }
.node span { font-family: var(--f-mono); font-size: 0.62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.node::after {
  content: ""; position: absolute; inset: -1px; border-radius: 50%; border: 1px solid var(--brass);
  animation: ring 3.6s ease-out infinite; opacity: 0;
}
@keyframes ring { 0% { transform: scale(1); opacity: .55; } 80%, 100% { transform: scale(1.32); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .node::after { animation: none; } }
.ground {
  background: var(--accent); color: var(--on-accent); border-radius: var(--radius);
  padding: 0.85rem 1rem; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap;
}
.ground b { font-family: var(--f-display); font-weight: 500; font-size: 1.12rem; }
.ground span { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.model-head { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); }
.cell { min-height: 7rem; }
.cell .v { font-size: 1.25rem; }
.cell:nth-child(1), .cell:nth-child(2) { align-content: start; }
.cell:nth-child(3), .cell:nth-child(4) { align-content: end; }
.hero h1 { font-size: clamp(2.1rem, 1.3rem + 3vw, 3.6rem); }

/* Track record strip */
.record { padding-block: 0; }
.record .wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.stat { padding: 1.6rem 1.5rem 1.8rem 0; display: grid; gap: 0.4rem; align-content: start; min-width: 0; }
.stat + .stat { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.stat b { font-family: var(--f-mono); font-weight: 500; font-size: clamp(1.6rem, 1.2rem + 1.3vw, 2.2rem); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: 0.95rem; color: var(--ink-2); line-height: 1.45; }
@media (max-width: 880px) {
  .record .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 460px) {
  .record .wrap { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat + .stat { padding-left: 0; border-left: 0; }
  .stat + .stat { border-top: 1px solid var(--line); }
}

/* Approach */
.split { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: minmax(0, 1fr); } }
.split-head { display: grid; gap: 1rem; }
.fit { margin-top: 2.25rem; display: grid; gap: 0.75rem; }
.fit ul { list-style: none; margin: 0; padding: 0; display: grid; }
.fit li { padding: 0.8rem 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: 0.5rem; }
.fit li::before { content: "→"; font-family: var(--f-mono); color: var(--accent); }

/* Services */
.sec-head { display: grid; gap: 1rem; max-width: 44rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.areas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 760px) { .areas { grid-template-columns: minmax(0, 1fr); } }
.area { background: var(--surface); padding: clamp(1.4rem, 3vw, 2rem); display: grid; grid-template-rows: auto auto 1fr auto; gap: 1rem; min-width: 0; }
.area h3 { font-size: var(--step-2); font-weight: 700; }
.area ul { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.35rem; color: var(--ink); }
.area ul li::marker { color: var(--accent); }
.field { border-top: 1px dashed var(--line); padding-top: 0.9rem; font-size: 0.95rem; color: var(--ink-2); }
.field .label { display: block; margin-bottom: 0.3rem; color: var(--brass); font-size: 0.7rem; }

.ai-band {
  margin-top: 1.5rem; border: 1.5px solid var(--brass); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem); display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 1.5rem 3rem;
}
@media (max-width: 760px) { .ai-band { grid-template-columns: minmax(0, 1fr); } }
.ai-band .label { color: var(--brass); }
.ai-band h3 { font-size: var(--step-2); font-weight: 700; margin-top: 0.5rem; }
.ai-band ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.5rem; }
@media (max-width: 520px) { .ai-band ul { grid-template-columns: minmax(0, 1fr); } }
.ai-band li b { display: block; font-family: var(--f-display); font-weight: 500; }
.ai-band li span { font-size: 0.95rem; color: var(--ink-2); }

/* Engagement */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); counter-reset: s; }
@media (max-width: 760px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.steps li { counter-increment: s; display: grid; gap: 0.6rem; border-top: 2px solid var(--ink); padding-top: 1rem; }
.steps li::before { content: "Step " counter(s); font-family: var(--f-mono); font-size: var(--step--1); color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.steps p { color: var(--ink-2); }
.formats { margin-top: 2.5rem; color: var(--ink-2); max-width: 44rem; }
.formats b { color: var(--ink); font-weight: 600; }

/* About */
.bio { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 880px) { .bio { grid-template-columns: minmax(0, 1fr); } }
.bio-main { display: grid; gap: 1.25rem; }
.who { display: flex; align-items: center; gap: 1rem; }
.who { align-items: end; gap: 1.25rem; }
.portrait {
  width: clamp(8rem, 30vw, 11rem); max-width: 100%; height: auto; aspect-ratio: 4 / 5; flex: none;
  object-fit: cover; object-position: center top; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface);
}
.who > div { display: grid; gap: 0.35rem; padding-bottom: 0.25rem; }
.who h2 { font-size: var(--step-2); }
.who p { font-family: var(--f-mono); font-size: var(--step--1); color: var(--ink-2); }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1rem; padding: 0.95rem 0; border-bottom: 1px solid var(--line); }
.timeline time { font-family: var(--f-mono); font-size: var(--step--1); color: var(--ink-2); font-variant-numeric: tabular-nums; padding-top: 0.15rem; }
.timeline b { display: block; font-family: var(--f-display); font-weight: 500; }
.timeline span { font-size: 0.95rem; color: var(--ink-2); }
.creds { margin-top: 1.25rem; font-size: 0.95rem; color: var(--ink-2); display: grid; gap: 0.4rem; }

/* Contact */
.contact { background: var(--surface); }
.contact .split { align-items: start; }
form { display: grid; gap: 1.1rem; }
.row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
@media (max-width: 560px) { .row { grid-template-columns: minmax(0, 1fr); } }
.ctl { display: grid; gap: 0.35rem; min-width: 0; }
.ctl label { font-family: var(--f-display); font-size: 0.95rem; font-weight: 500; }
.ctl label small { font-family: var(--f-body); font-weight: 400; color: var(--ink-2); }
input, select, textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 0.7rem 0.8rem; width: 100%;
}
textarea { min-height: 8.5rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
input:user-invalid, textarea:user-invalid, select:user-invalid { border-color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form-foot p { font-size: var(--step--1); color: var(--ink-2); }
.status { border-radius: var(--radius); padding: 1rem 1.1rem; font-size: 0.98rem; }
.status.ok { background: var(--accent-soft); color: var(--ink); border: 1px solid var(--accent); }
.status.err { border: 1px solid var(--danger); color: var(--ink); }
.status b { font-family: var(--f-display); font-weight: 500; display: block; margin-bottom: 0.2rem; }

footer.site { border-top: 1px solid var(--line); }

/* ---------- Multi-page additions ---------- */
footer.site .wrap { display: block; }
h1 { font-size: var(--step-3); }

/* Header + dropdown nav */
header.site .wrap { position: relative; }
nav.primary { gap: 1.75rem; }
nav.primary ul { list-style: none; margin: 0; padding: 0; }
nav.primary > ul { display: flex; align-items: center; gap: 1.75rem; }
nav.primary a[aria-current="page"], nav.primary .has-menu.current > button { color: var(--ink); }
.has-menu { position: relative; }
.has-menu > button {
  font-family: var(--f-display); font-size: 0.95rem; color: var(--ink-2);
  background: none; border: 0; padding: 0; cursor: pointer; display: inline-flex; align-items: center; gap: .35rem;
}
.has-menu > button:hover { color: var(--ink); }
.has-menu > button .chev { font-size: .7rem; transition: transform .15s ease; }
.has-menu.open > button .chev { transform: rotate(180deg); }
.menu {
  position: absolute; top: calc(100% + 0.9rem); left: -1.25rem; min-width: 19rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(16, 26, 44, .12); padding: 1rem 1.25rem 1.1rem;
  display: none; gap: 0.9rem;
}
.has-menu.open > .menu { display: grid; }
@media (hover: hover) and (min-width: 901px) {
  .has-menu:hover > .menu, .has-menu:focus-within > .menu { display: grid; }
  .has-menu::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 1rem; }
}
.menu .label { font-size: .68rem; color: var(--ink-2); }
.menu ul { display: grid; gap: .1rem; }
.menu a { display: grid; gap: .1rem; padding: .45rem .5rem; margin-inline: -.5rem; border-radius: 4px; color: var(--ink); }
.menu a:hover { background: var(--surface); }
.menu a small { font-family: var(--f-body); font-size: .85rem; color: var(--ink-2); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

.menu-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink); font-family: var(--f-display); font-size: .9rem; padding: .45rem .75rem; cursor: pointer;
}
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  nav.primary {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 1rem max(16px, env(safe-area-inset-left, 0px)) 1.5rem; max-height: calc(100vh - 4rem); overflow-y: auto;
  }
  header.site.nav-open nav.primary { display: block; }
  nav.primary > ul { flex-direction: column; align-items: stretch; gap: 0; }
  nav.primary > ul > li { border-bottom: 1px solid var(--line); }
  nav.primary > ul > li > a, .has-menu > button { display: block; width: 100%; text-align: left; padding: .85rem 0; font-size: 1.05rem; }
  nav.primary a:not(.btn) { display: block; }
  nav.primary > ul > li:last-child { border: 0; padding-top: 1rem; }
  .menu { position: static; box-shadow: none; border: 0; padding: 0 0 1rem; min-width: 0; }
}

/* Page hero */
.page-hero { background: var(--surface); border-bottom: 1px solid var(--line); padding-block: clamp(3rem, 7vw, 5.5rem); }
.page-hero .wrap { display: grid; gap: 1.25rem; }
.page-hero h1 { font-size: clamp(2.3rem, 1.4rem + 3.4vw, 4rem); letter-spacing: -0.03em; max-width: 52rem; }
.page-hero .tagline { font-family: var(--f-display); font-size: var(--step-2); line-height: 1.2; color: var(--accent); max-width: 46rem; text-wrap: balance; }
.page-hero .lede { max-width: 44rem; }
.crumb { font-family: var(--f-mono); font-size: var(--step--1); text-transform: uppercase; letter-spacing: .09em; color: var(--ink-2); }
.crumb a { color: var(--ink-2); text-decoration: none; }
.crumb a:hover { color: var(--accent); }
.jumps { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
section + section.page-hero, .page-hero + section { border-top: 0; }

/* Home hero */
.hero.home { background: var(--surface); }
.hero.home .wrap { grid-template-columns: minmax(0, 1fr); max-width: var(--wrap); }
.hero.home .hero-copy { max-width: 50rem; }
.hero.home .hero-copy > p { color: var(--ink-2); font-size: var(--step-1); line-height: 1.5; }
.hero + .record { border-top: 0; }

/* Section heads centered */
.sec-head.center { margin-inline: auto; text-align: center; justify-items: center; }
.statement { text-align: center; }
.statement .wrap { display: grid; justify-items: center; gap: 1.75rem; }
.statement h2 { max-width: 50rem; font-size: var(--step-3); }
.statement h2 em { font-style: normal; color: var(--accent); }

/* Challenge blocks */
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 820px) { .trio { grid-template-columns: minmax(0, 1fr); } }
.trio > div { display: grid; gap: .6rem; align-content: start; border-top: 2px solid var(--ink); padding-top: 1rem; }
.trio p { color: var(--ink-2); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.cards.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .cards, .cards.two { grid-template-columns: minmax(0, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.3rem, 2.5vw, 1.75rem); display: grid; gap: .8rem; align-content: start; min-width: 0;
  text-decoration: none; color: var(--ink); transition: border-color .15s ease, transform .15s ease;
}
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font-size: var(--step-2); font-weight: 700; }
.card p { color: var(--ink-2); }
.card .num { font-family: var(--f-mono); font-size: 2.2rem; color: var(--brass); line-height: 1; }
.more { font-family: var(--f-display); font-weight: 500; color: var(--accent); margin-top: auto; }
.more::after { content: " →"; }
.card .field { margin-top: auto; }
.sec-foot { margin-top: clamp(2rem, 4vw, 2.75rem); display: flex; justify-content: center; }

/* Person teaser */
.person { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
@media (max-width: 620px) { .person { grid-template-columns: minmax(0, 1fr); } }
.person .prose { max-width: 40rem; }
.person .prose h2 { font-size: var(--step-3); }

/* Closing CTA band */
.cta-band { background: var(--accent); color: var(--on-accent); text-align: center; border-top: 0; }
.cta-band .wrap { display: grid; justify-items: center; gap: 1.25rem; }
.cta-band h2 { max-width: 40rem; }
.cta-band p { max-width: 36rem; opacity: .9; font-size: var(--step-1); }
.cta-band .btn { background: var(--on-accent); color: var(--accent); }
section + .cta-band { border-top: 0; }

/* Two-column bullet list */
.cols { columns: 2 18rem; column-gap: 2.5rem; list-style: none; margin: 0; padding: 0; }
.cols li { break-inside: avoid; padding: .8rem 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: .5rem; }
.cols li::before { content: "→"; font-family: var(--f-mono); color: var(--accent); }

/* Value list (why) */
.values { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 820px) { .values { grid-template-columns: minmax(0, 1fr); } }
.values li { display: grid; gap: .5rem; align-content: start; }
.values li::before { content: ""; width: 2.25rem; height: 3px; background: var(--brass); margin-bottom: .35rem; }
.values p { color: var(--ink-2); }

/* Marquee strip */
.marquee { overflow: hidden; border-block: 1px solid var(--line); margin-top: clamp(2rem, 4vw, 3rem); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee ul { list-style: none; margin: 0; padding: 1rem 0; display: flex; gap: 2.5rem; width: max-content; animation: slide 40s linear infinite; }
.marquee li { font-family: var(--f-mono); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); white-space: nowrap; }
.marquee li::before { content: "◆"; color: var(--brass); margin-right: 2.5rem; font-size: .6rem; vertical-align: middle; }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee ul { animation: none; flex-wrap: wrap; width: auto; } }

/* Engagement model sections */
.model-sec .feat { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 820px) { .model-sec .feat { grid-template-columns: minmax(0, 1fr); } }
.model-sec .feat li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.35rem; display: grid; gap: .45rem; align-content: start; }
.model-sec .feat p { color: var(--ink-2); font-size: .98rem; }
.model-sec .cta-row { margin-top: 1.75rem; }
.model-sec.alt { background: var(--surface); }
.model-sec.alt .feat li { background: var(--paper); }
section[id] { scroll-margin-top: 4.5rem; }

/* Partner (stakeholder) page */
.primary-partner { border: 1.5px solid var(--brass); border-radius: var(--radius); padding: clamp(1.5rem, 3.5vw, 2.5rem); display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 1.5rem 3rem; }
@media (max-width: 820px) { .primary-partner { grid-template-columns: minmax(0, 1fr); } }
.primary-partner .label { color: var(--brass); }
.primary-partner h3 { font-size: var(--step-3); font-weight: 700; margin-block: .5rem 1rem; }
.primary-partner > div:first-child p { color: var(--ink-2); }
.group { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.group > h3 { font-family: var(--f-mono); font-size: var(--step--1); font-weight: 500; text-transform: uppercase; letter-spacing: .09em; color: var(--accent); margin-bottom: 1rem; }
.partner h4 { font-family: var(--f-display); font-size: var(--step-1); font-weight: 700; margin: 0; }
.partner dl { margin: 0; display: grid; gap: .6rem; }
.partner dt { font-family: var(--f-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); }
.partner dd { margin: 0; font-size: .98rem; }
.partner dd + dt { border-top: 1px dashed var(--line); padding-top: .6rem; }

/* Results filter */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; align-items: center; }
.filters > span { font-family: var(--f-mono); font-size: var(--step--1); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); margin-right: .5rem; }
.filters button {
  font-family: var(--f-display); font-size: .92rem; background: var(--paper); color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 99px; padding: .4rem .95rem; cursor: pointer;
}
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.result .metric { font-family: var(--f-mono); font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); color: var(--ink); letter-spacing: -0.02em; }
.result .tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag { font-family: var(--f-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; background: var(--accent-soft); color: var(--accent); border-radius: 3px; padding: .2rem .5rem; }
.result[hidden] { display: none; }

/* Footer */
footer.site { padding-block: clamp(2.5rem, 5vw, 3.5rem) 1.5rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr)); gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
@media (max-width: 820px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .foot-grid { grid-template-columns: minmax(0, 1fr); } }
.foot-grid .mark { margin-bottom: .6rem; }
.foot-grid p { font-family: var(--f-body); font-size: .95rem; color: var(--ink-2); }
.foot-grid h4 { font-family: var(--f-mono); font-size: .7rem; font-weight: 500; text-transform: uppercase; letter-spacing: .09em; color: var(--ink-2); margin: 0 0 .75rem; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.foot-grid a { font-family: var(--f-display); font-size: .95rem; color: var(--ink); text-decoration: none; }
.foot-grid a:hover { color: var(--accent); }
.legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; padding-top: 1.25rem; font-family: var(--f-mono); font-size: .78rem; color: var(--ink-2); }
.menu a small { display: block; }

/* ---------- Typography: matched to the reference site (Gilroy).
   Plus Jakarta Sans is a free stand-in. To use licensed Gilroy, self-host it
   with @font-face and put "Gilroy" first in --f-sans. ---------- */
:root {
  --f-sans: "Plus Jakarta Sans", "Gilroy", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-display: var(--f-sans);
  --f-body: var(--f-sans);
  --f-mono: var(--f-sans);
}
h1, h2, h3, h4 { font-weight: 500; letter-spacing: -0.01em; }
.card h3, .area h3, .ai-band h3, .primary-partner h3, .partner h4, .mark b { font-weight: 700; }
.label, .crumb, .tag, .menu .label, .foot-grid h4, .partner dt, .filters > span, .cell .k, .model-head,
.steps li::before, .marquee li, .who p, .legal, .mark span { font-weight: 700; letter-spacing: 0.08em; }
.stat b, .result .metric, .card .num { font-weight: 700; letter-spacing: -0.02em; }
.lede, .page-hero .tagline { font-weight: 500; }
body { line-height: 1.55; }