@charset "UTF-8";
/* Casey Fallon — identity: ink, paper and non-photo blue.
   The blue is the underdrawing: the reasoning shown around the finished work. */

:root {
  --paper: #f4f2ec;
  --paper-2: #eceae2;
  --rule: #d9d6cc;
  --ink: #16181d;
  --ink-2: #4a4f5a;
  --blueline: #9fd3ea;
  --blueline-soft: #dcecf2;
  --blueline-ink: #5b8fa8;
  --cobalt: #2347c5;
  --marker: #f5d84b;
  --night: #121824;
  --night-rule: #2a3549;
  --on-night: #e9eef3;
  --on-night-2: #aab8c6;

  --serif: "Iowan Old Style", "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 4px; border-radius: 2px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 12px 18px; text-decoration: none;
}
.skip-link:focus { top: 12px; }
.wrap { width: min(1280px, 100% - 2 * var(--gutter)); margin-inline: auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }
.header-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 24px; min-height: var(--header-h);
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; font-family: var(--serif); font-size: 21px; font-weight: 600; letter-spacing: -0.01em;
}
.brand-mark { width: 30px; height: 30px; color: var(--ink); --mark-dot: var(--cobalt); flex: none; }
.site-nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 28px; list-style: none; margin: 0; padding: 0; }
.site-nav a {
  text-decoration: none; font-size: 15px; padding: 6px 0;
  background: linear-gradient(var(--cobalt), var(--cobalt)) 0 100% / 0 2px no-repeat;
  transition: background-size .25s;
}
.site-nav a:hover, .site-nav a[aria-current="true"] { background-size: 100% 2px; }
.site-nav .nav-cta {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px;
  border: 1.5px solid var(--ink); border-radius: 999px; background: none; font-weight: 600;
  transition: background-color .2s, color .2s;
}
.site-nav .nav-cta:hover { background: var(--ink); color: var(--paper); }
.menu-toggle {
  display: none; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px;
  border: 1.5px solid var(--ink); border-radius: 999px; background: none; cursor: pointer; font-size: 15px; font-weight: 600;
}
.menu-icon, .menu-icon::before, .menu-icon::after {
  display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; transition: transform .2s, background-color .2s;
}
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -5px; }
.menu-icon::after { top: 5px; }
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { transform: translateY(5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Shared type ---------- */
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--cobalt); margin: 0 0 28px; }
.eyebrow a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 0 22px;
  border: 1.5px solid var(--ink); border-radius: 999px; text-decoration: none; font-size: 15px; font-weight: 600;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--cobalt); border-color: var(--cobalt); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(40px, 7vw, 96px) 0 clamp(64px, 8vw, 120px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--blueline-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueline-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 80%);
  mask-image: linear-gradient(90deg, transparent 30%, #000 80%);
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 80px); align-items: center;
}
.hero h1 { font-size: clamp(3rem, 7.2vw, 6.6rem); line-height: 1; letter-spacing: -0.03em; margin: 0 0 36px; }
.hl {
  background: linear-gradient(transparent 58%, var(--marker) 58%, var(--marker) 92%, transparent 92%) no-repeat 0 0 / 100% 100%;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  padding: 0 .04em; margin: 0 -.04em;
}
.hero-lede { font-size: clamp(19px, 1.7vw, 22px); line-height: 1.5; max-width: 34ch; margin-bottom: 20px; }
.hero-support {
  display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--ink-2); margin-bottom: 36px;
}
.hero-support::before { content: ""; width: 10px; height: 10px; background: var(--cobalt); flex: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-figure { max-width: 480px; justify-self: end; width: 100%; }
.hero-figure .sk { stroke: var(--blueline); stroke-width: 1.25; }
.hero-figure .sk-dash { stroke-dasharray: 6 6; }
.hero-figure .sk-dot { fill: var(--blueline); }
.hero-figure .ink { stroke: var(--ink); }
.hero-figure .work { fill: var(--cobalt); }
.hero-figure .leader { fill: none; stroke: var(--cobalt); stroke-width: 1.25; }
.hero-figure .leader-dot { fill: var(--cobalt); }
.fig-label { font-family: var(--mono); font-size: 15px; fill: var(--cobalt); }
.fig-muted { fill: var(--blueline-ink); font-size: 13px; }

/* ---------- Sections & margin-note layout ---------- */
.section { padding: clamp(72px, 10vw, 136px) 0; border-top: 1px solid var(--rule); }
.layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(24px, 4vw, 64px); }
.margin-inner { position: sticky; top: calc(var(--header-h) + 32px); }
.sec-num {
  display: flex; align-items: center; gap: 10px; margin: 6px 0 0;
  font-family: var(--mono); font-size: 13px; color: var(--cobalt);
}
.sec-num::before { content: ""; width: 10px; height: 10px; background: currentColor; flex: none; }
.margin-note {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6; color: var(--ink-2);
  max-width: 26ch; margin: 18px 0 0; padding-left: 12px; border-left: 1.5px solid var(--blueline);
}
.section h2 { font-size: clamp(2.4rem, 5vw, 4.4rem); margin-bottom: 24px; max-width: 18ch; }
.section-intro { font-size: clamp(18px, 1.6vw, 20px); color: var(--ink-2); max-width: 54ch; margin-bottom: 0; }

/* ---------- Intro ---------- */
.questions { list-style: none; margin: 40px 0; padding: 0; border-top: 2px solid var(--ink); }
.questions li {
  display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; align-items: baseline;
  padding: 20px 0; border-bottom: 1px solid var(--rule);
  font-family: var(--serif); font-size: clamp(1.5rem, 2.8vw, 2.25rem); line-height: 1.2; letter-spacing: -0.01em;
}
.questions li span { font-family: var(--mono); font-size: 13px; color: var(--cobalt); letter-spacing: 0; }
.intro-cols { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: clamp(20px, 3vw, 48px); }
.intro-cols p:first-child { font-family: var(--serif); font-size: 22px; line-height: 1.35; }
.intro-cols p:last-child { color: var(--ink-2); }

/* ---------- Work ---------- */
.case { margin-top: clamp(48px, 6vw, 80px); }
.case-head {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 4fr); gap: 24px 40px; align-items: end; margin-bottom: 36px;
}
.case-client { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 0 0 18px; }
.case-brand {
  font-family: var(--sans); font-weight: 700; font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.2;
  letter-spacing: -0.01em; color: var(--ink);
  padding: 2px 0 3px 12px; border-left: 6px solid var(--cobalt);
}
.case-context { font-family: var(--mono); font-size: 13px; color: var(--cobalt); }
.case h3 { font-size: clamp(2rem, 3.6vw, 3.2rem); }
.case-summary { font-size: 18px; color: var(--ink-2); margin: 0; max-width: 40ch; }

.gallery {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px);
  padding: clamp(28px, 4vw, 52px) clamp(24px, 3.4vw, 48px) clamp(20px, 3vw, 36px);
  background-color: var(--paper-2);
  background-image:
    linear-gradient(var(--blueline-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueline-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: 4px;
}
.art { margin: 0; min-width: 0; }
.art:nth-child(2) { margin-top: clamp(16px, 3vw, 40px); }
.art:nth-child(3) { margin-top: clamp(32px, 6vw, 80px); }
.crop { position: relative; display: block; }
.crop::before {
  --c: var(--blueline-ink);
  content: ""; position: absolute; inset: -9px; pointer-events: none;
  background:
    linear-gradient(var(--c), var(--c)) 0 0 / 14px 1px,
    linear-gradient(var(--c), var(--c)) 0 0 / 1px 14px,
    linear-gradient(var(--c), var(--c)) 100% 0 / 14px 1px,
    linear-gradient(var(--c), var(--c)) 100% 0 / 1px 14px,
    linear-gradient(var(--c), var(--c)) 0 100% / 14px 1px,
    linear-gradient(var(--c), var(--c)) 0 100% / 1px 14px,
    linear-gradient(var(--c), var(--c)) 100% 100% / 14px 1px,
    linear-gradient(var(--c), var(--c)) 100% 100% / 1px 14px;
  background-repeat: no-repeat;
}
.art-link { cursor: zoom-in; }
.art-link img {
  width: 100%; height: auto; background: var(--rule);
  box-shadow: 0 10px 28px rgba(22, 24, 29, .12);
  transition: transform .3s cubic-bezier(.2, .7, .2, 1);
}
.art-link:hover img { transform: translateY(-4px); }
.art-zoom {
  position: absolute; right: 8px; bottom: 8px; display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 50%; background: var(--paper); color: var(--ink); font-size: 16px;
  box-shadow: 0 2px 8px rgba(22, 24, 29, .2);
}
.art figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 18px; }
.gallery-hint { display: none; font-family: var(--mono); font-size: 12px; color: var(--cobalt); margin: 12px 0 0; text-align: right; }

.markup { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); margin-top: 40px; }
.markup > div { padding-top: 16px; border-top: 2px solid var(--ink); }
.markup h4 { font-family: var(--mono); font-size: 13px; font-weight: 500; color: var(--cobalt); letter-spacing: 0; margin-bottom: 12px; }
.markup p { font-size: 16px; margin: 0; }
.markup .markup-q { font-family: var(--serif); font-size: 22px; line-height: 1.3; }
.case-caption {
  font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin: 28px 0 0;
  padding-left: 12px; border-left: 1.5px solid var(--blueline);
}

.case-story {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: center;
  margin-top: clamp(64px, 8vw, 112px); padding-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--rule);
}
.story-copy h3 { margin-bottom: 16px; }
.story-copy > p:not(.case-client):not(.case-summary):not(.pun) { color: var(--ink-2); max-width: 54ch; }
.pun { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: -0.015em; margin: 32px 0 24px; }
.diagram { margin: 0; padding: clamp(16px, 3vw, 32px); background: var(--paper-2); border-radius: 4px; }
.dg-circle { fill: rgba(159, 211, 234, .22); stroke: var(--blueline-ink); stroke-width: 1.25; }
.dg-word { font-family: var(--serif); font-size: 28px; fill: var(--ink); }
.dg-note { font-family: var(--mono); font-size: 15px; fill: var(--ink-2); }
.dg-strong { fill: var(--cobalt); font-weight: 600; }
.dg-square { fill: var(--cobalt); }
.diagram figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 12px; }

/* Later cases and program media */
.case-program { margin-top: clamp(80px, 10vw, 144px); padding-top: clamp(48px, 6vw, 80px); border-top: 3px solid var(--ink); }
.program-media {
  /* 4:5 video beside a 1:1 static: 4fr / 5fr columns give equal heights */
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 5fr); gap: clamp(20px, 3vw, 40px); align-items: end;
  padding: clamp(28px, 4vw, 52px) clamp(24px, 3.4vw, 48px) clamp(20px, 3vw, 36px);
  background-color: var(--paper-2);
  background-image:
    linear-gradient(var(--blueline-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueline-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: 4px;
}
.media-figure { margin: 0; min-width: 0; }
.media-figure video, .media-figure img {
  display: block; width: 100%; height: auto; object-fit: contain; background: var(--rule);
  box-shadow: 0 10px 28px rgba(22, 24, 29, .12);
}
.media-figure video { aspect-ratio: 4 / 5; }
.media-static img { aspect-ratio: 1 / 1; }
.media-figure figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 18px; }
.beats { list-style: none; margin: 48px 0 0; padding: 0; border-top: 2px solid var(--ink); }
.beat { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 8px 20px; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.beat-num { display: flex; align-items: center; gap: 8px; height: 1.6em; font-family: var(--mono); font-size: 13px; color: var(--cobalt); }
.beat-num::before { content: ""; width: 8px; height: 8px; background: currentColor; flex: none; }
.beat h4 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); margin-bottom: 12px; }
.beat p { color: var(--ink-2); max-width: 62ch; }
.beat p:last-child { margin-bottom: 0; }
.term { font-size: 15px; padding-left: 12px; border-left: 1.5px solid var(--blueline); }
.term span { display: block; font-family: var(--mono); font-size: 12px; color: var(--cobalt); margin-bottom: 2px; }

/* AirMini ads: edge-to-edge originals in a continuous, slow-moving strip. */
.float-field { margin: 28px 0 4px; }
.float-band {
  --tile: clamp(180px, 26vw, 280px);
  position: relative; overflow: hidden; height: var(--tile); border-radius: 0;
  background: var(--paper-2);
}
.float-track { display: flex; width: max-content; }
.float-track img {
  display: block; flex: none; width: var(--tile); height: var(--tile); object-fit: cover;
}
.float-field-foot { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-top: 14px; }
.float-field figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); max-width: 70ch; }
.float-pause {
  flex: none; min-height: 36px; padding: 0 14px; border: 1.5px solid var(--ink); border-radius: 999px;
  background: none; cursor: pointer; font-size: 13px; font-weight: 600;
}
.float-pause:hover, .float-pause[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.float-pause[hidden] { display: none; }
/* Same travel speed; one full 14-ad pass loops seamlessly. */
@media (prefers-reduced-motion: no-preference) {
  .js .float-track { animation: float-drift 230.769s linear infinite; }
  .js .float-field.is-paused .float-track { animation-play-state: paused; }
}
@keyframes float-drift { to { transform: translateX(calc(var(--tile) * -14)); } }

/* ---------- Approach (blueprint) ---------- */
.approach {
  position: relative; background: var(--night); color: var(--on-night); border-top: 0;
  background-image:
    linear-gradient(rgba(159, 211, 234, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 211, 234, .06) 1px, transparent 1px);
  background-size: 24px 24px;
}
.approach :focus-visible { outline-color: var(--blueline); }
.approach .sec-num { color: var(--blueline); }
.approach .margin-note { color: var(--on-night-2); border-left-color: var(--night-rule); }
.approach .section-intro { color: var(--on-night-2); }
.flow-wrap { --gap: clamp(20px, 2.6vw, 36px); margin-top: 56px; }
.steps {
  position: relative; list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap);
}
.steps::before {
  content: ""; position: absolute; top: 18px; left: 18px; right: 0;
  border-top: 1.5px dashed rgba(159, 211, 234, .45);
}
.step { position: relative; padding-top: 60px; }
.step-num {
  position: absolute; top: 0; left: 0; display: grid; place-items: center; width: 36px; height: 36px;
  border: 1.5px solid var(--blueline); border-radius: 50%; background: var(--night);
  font-family: var(--mono); font-size: 12px; color: var(--blueline);
}
.step h3 { font-size: clamp(1.4rem, 2vw, 1.75rem); margin-bottom: 12px; }
.step p { font-size: 16px; color: var(--on-night-2); margin: 0; }
.loop {
  position: relative; height: 44px; margin: 32px 0 0 18px; width: calc(75% + .75 * var(--gap));
  border: 1.5px dashed rgba(159, 211, 234, .55); border-top: 0; border-radius: 0 0 28px 28px;
}
.loop::before {
  content: ""; position: absolute; left: -7px; top: -9px;
  border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--blueline);
}
.loop span {
  position: absolute; left: 50%; bottom: -10px; transform: translateX(-50%);
  padding: 0 12px; background: var(--night); white-space: nowrap;
  font-family: var(--mono); font-size: 12px; line-height: 18px; color: var(--blueline);
}
.systems {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px 56px;
  margin-top: clamp(72px, 9vw, 112px); padding-top: 40px; border-top: 1px solid var(--night-rule);
}
.systems h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.systems-copy p { color: var(--on-night-2); }
.systems-copy p:first-child { color: var(--on-night); font-size: 19px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 8px; list-style: none; margin: 28px 0 0; padding: 0; }
.flow li {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12.5px; color: var(--blueline);
}
.flow li::before { content: ""; width: 8px; height: 8px; background: var(--blueline); }
.flow li + li { margin-left: 10px; }

/* ---------- Notes ---------- */
.notes-list { margin-top: 48px; border-top: 2px solid var(--ink); }
.note { border-bottom: 1px solid var(--rule); }
.note summary {
  display: grid; grid-template-columns: 88px minmax(0, 1fr) 44px; gap: 20px; align-items: start;
  padding: 28px 0; cursor: pointer; list-style: none;
}
.note summary::-webkit-details-marker { display: none; }
.note-num { font-family: var(--mono); font-size: 13px; color: var(--cobalt); padding-top: 10px; }
.note-title { font-size: clamp(1.6rem, 2.8vw, 2.25rem); margin-bottom: 8px; transition: color .2s; }
.note summary:hover .note-title { color: var(--cobalt); }
.note-teaser { display: block; color: var(--ink-2); }
.note-toggle {
  position: relative; width: 44px; height: 44px; border: 1.5px solid var(--ink); border-radius: 50%;
  transition: background-color .2s, transform .25s;
}
.note-toggle::before, .note-toggle::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; background: currentColor;
  transform: translate(-50%, -50%);
}
.note-toggle::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .25s; }
.note[open] .note-toggle { background: var(--ink); color: var(--paper); }
.note[open] .note-toggle::after { transform: translate(-50%, -50%) rotate(0deg); }
.note-body { padding: 0 64px 40px 108px; max-width: calc(62ch + 172px); }
.note-body p { font-size: 18px; line-height: 1.65; }
.note-close {
  font-family: var(--serif); font-size: 22px !important; line-height: 1.35 !important;
  padding-left: 16px; border-left: 3px solid var(--cobalt); margin-top: 28px;
}

/* ---------- About ---------- */
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.portrait { margin: 0; padding: 9px; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 42%; background: var(--rule); }
.portrait figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 18px; }
.about-copy h2 { margin-bottom: 20px; }
.about-copy .lead { font-family: var(--serif); font-size: clamp(1.4rem, 2.2vw, 1.75rem); line-height: 1.3; margin-bottom: 28px; }
.about-copy > p:not(.lead):not(.pull) { color: var(--ink-2); }
.pull {
  font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 1.75rem); line-height: 1.3;
  margin: 36px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--cobalt);
}
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 0; padding-top: 20px; border-top: 2px solid var(--ink); }
.facts dt { font-family: var(--mono); font-size: 12px; color: var(--cobalt); margin-bottom: 6px; }
.facts dd { margin: 0; font-size: 15px; line-height: 1.45; }

/* ---------- Contact ---------- */
.contact { background: var(--paper-2); }
.contact h2 { font-size: clamp(2.6rem, 6.2vw, 5.4rem); max-width: 14ch; }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 48px; }
.contact-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
  padding: clamp(22px, 3vw, 32px); background: var(--paper); border: 1px solid var(--rule); border-radius: 6px;
}
.contact-label { font-family: var(--mono); font-size: 13px; color: var(--cobalt); margin: 0; }
.contact-email {
  font-family: var(--serif); font-size: clamp(1.3rem, 2.4vw, 1.9rem); line-height: 1.2; letter-spacing: -0.01em;
  text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 6px; text-decoration-color: var(--blueline);
  overflow-wrap: anywhere; transition: text-decoration-color .2s, color .2s;
}
.contact-email:hover { color: var(--cobalt); text-decoration-color: var(--cobalt); }
.copy-btn {
  min-height: 40px; padding: 0 16px; border: 1.5px solid var(--ink); border-radius: 999px; background: none;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: background-color .2s, color .2s;
}
.copy-btn:hover { background: var(--ink); color: var(--paper); }
.contact-alt { margin: 32px 0 0; }
.contact-alt a {
  display: inline-flex; gap: 10px; font-weight: 600; text-decoration: underline;
  text-decoration-thickness: 1.5px; text-underline-offset: 5px;
}
.contact-alt a:hover { color: var(--cobalt); }

/* ---------- Footer ---------- */
.site-footer { background: var(--paper-2); border-top: 1px solid var(--rule); }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px;
  padding: 24px 0; font-size: 13px; color: var(--ink-2);
}
.footer-brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 16px; font-weight: 600; color: var(--ink); }
.footer-brand .brand-mark { width: 22px; height: 22px; }
.footer-inner a { color: var(--ink); text-underline-offset: 4px; }

/* ---------- Lightbox ---------- */
.lightbox {
  border: 0; padding: 0; background: var(--paper); color: var(--ink); border-radius: 6px;
  width: auto; max-width: min(560px, 92vw); max-height: 92vh; max-height: 92dvh; overflow: auto;
}
.lightbox::backdrop { background: rgba(18, 24, 36, .9); }
.lightbox-inner { padding: 12px 16px 16px; }
.lightbox-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.lightbox-count { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.lightbox-controls { display: flex; gap: 8px; }
.lightbox-controls button {
  min-width: 44px; min-height: 40px; padding: 0 14px; border: 1.5px solid var(--ink); border-radius: 999px;
  background: none; cursor: pointer; font-size: 14px; font-weight: 600;
}
.lightbox-controls button:hover { background: var(--ink); color: var(--paper); }
.lightbox-img { width: auto; max-width: 100%; max-height: calc(92vh - 140px); max-height: calc(92dvh - 140px); margin: 0 auto; }
.lightbox-caption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin: 12px 0 0; max-width: 60ch; }

/* ---------- Motion (only when the visitor allows it) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero-figure .sketch { opacity: 0; animation: cf-fade .8s .1s ease-out forwards; }
  .hero-figure .ink { stroke-dasharray: 1; stroke-dashoffset: 1; animation: cf-draw 1.5s .35s cubic-bezier(.65, 0, .25, 1) forwards; }
  /* the loop continues after the stroke and tucks behind the stem */
  .hero-figure .ink2 { animation: cf-draw .7s 1.8s cubic-bezier(.4, 0, .2, 1) forwards; }
  .hero-figure .work { transform: scale(0) rotate(-45deg); transform-box: fill-box; transform-origin: center; animation: cf-pop .6s 2.4s cubic-bezier(.3, 1.6, .5, 1) forwards; }
  .hero-figure .tag { opacity: 0; animation: cf-fade .6s 2.8s ease-out forwards; }
  .hl { background-size: 0 100%; animation: cf-mark .7s 1.1s cubic-bezier(.6, 0, .2, 1) forwards; }
}
@keyframes cf-draw { to { stroke-dashoffset: 0; } }
@keyframes cf-pop { to { transform: scale(1) rotate(0deg); } }
@keyframes cf-fade { to { opacity: 1; } }
@keyframes cf-mark { to { background-size: 100% 100%; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 2fr) minmax(0, 8fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 48px; }
  .steps::before, .loop { display: none; }
  .systems { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 5fr); }
  .facts { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 860px) {
  .js .menu-toggle { display: inline-flex; }
  .js .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule); padding: 8px var(--gutter) 24px;
  }
  .js .site-nav.is-open { display: block; }
  .js .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .js .site-nav li a:not(.nav-cta) { display: block; padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--rule); background: none; }
  .js .site-nav li a[aria-current="true"] { color: var(--cobalt); }
  .js .nav-cta-item { margin-top: 18px; }
  .site-nav ul { gap: 6px 18px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { max-width: 320px; justify-self: start; }
  .layout { grid-template-columns: 1fr; gap: 20px; }
  .margin-inner { position: static; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 20px; }
  .margin-note { margin: 0; max-width: none; }
  .case-head { grid-template-columns: 1fr; }
  .case-story { grid-template-columns: 1fr; }
  .markup { grid-template-columns: 1fr; gap: 24px; }
  .intro-cols { grid-template-columns: 1fr; gap: 4px; }
  .about-grid { grid-template-columns: 1fr; }
  .portrait { max-width: 440px; }
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .gallery {
    display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
    margin-inline: calc(-1 * var(--gutter)); padding: 28px var(--gutter) 20px; border-radius: 0;
  }
  .art { flex: 0 0 64%; scroll-snap-align: center; }
  .art:nth-child(2), .art:nth-child(3) { margin-top: 0; }
  .gallery-hint { display: block; }
  .steps { grid-template-columns: 1fr; row-gap: 40px; }
  .note summary { grid-template-columns: minmax(0, 1fr) 40px; gap: 6px 16px; padding: 24px 0; }
  .note-num { grid-column: 1 / -1; padding-top: 0; }
  .note-toggle { width: 40px; height: 40px; }
  .note-body { padding: 0 0 32px; }
  .note-body p { font-size: 17px; }
  .facts { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .program-media { grid-template-columns: 1fr; gap: 32px; margin-inline: calc(-1 * var(--gutter)); padding: 28px var(--gutter) 20px; border-radius: 0; }
  .beat { grid-template-columns: 1fr; padding: 24px 0; }
}

/* Keep FCT portrait ads compact; static and matching video stay together. */
.fct-gallery { grid-template-columns: repeat(4, minmax(0, 220px)); justify-content: center; gap: 24px; padding: 28px 24px; }
.fct-gallery .art { margin-top: 0; min-width: 0; }
.fct-gallery img, .fct-gallery video { display: block; width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: contain; }
@media (max-width: 1000px) {
  .fct-gallery { grid-template-columns: repeat(2, minmax(0, 220px)); row-gap: 32px; }
}
@media (max-width: 600px) {
  .fct-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 180px)); margin-inline: 0; padding: 20px 16px; gap: 24px 16px; overflow: visible; }
}

/* Optional case depth, using native accessible disclosure. */
.case-detail { margin-top: 28px; border-top: 1px solid var(--rule); padding-top: 18px; }
.case-detail > summary { cursor: pointer; font-family: var(--mono); font-size: 14px; color: var(--cobalt); padding: 8px 0; }
.case-detail[open] > summary { margin-bottom: 20px; }
.case-detail .beats { margin-top: 16px; }
.case-detail .program-media { margin-top: 32px; }
#cpap > .float-field { margin-top: 0; }

/* Role and shared credit, stated once per case. */
.markup-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-role { margin: 32px 0 0; font-size: 16px; max-width: 72ch; }
.case-role span { font-family: var(--mono); font-size: 13px; color: var(--cobalt); margin-right: 12px; }

/* Casper: the strategic question beside a categorical, value-free chart. */
.case-split {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 72px); align-items: center;
}
.split-q { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 24px; }
.split-copy > p:not(.split-q):not(.split-proof) { color: var(--ink-2); max-width: 52ch; }
.split-proof {
  font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.35rem); line-height: 1.35;
  margin: 28px 0 0; padding-left: 16px; border-left: 3px solid var(--cobalt); max-width: 40ch;
}
.lead-chart { margin: 0; padding: clamp(20px, 3vw, 32px); background: var(--paper-2); border-radius: 4px; }
.lead-chart-title {
  font-family: var(--mono); font-size: 12.5px; color: var(--cobalt); margin: 0 0 8px;
  padding-bottom: 12px; border-bottom: 2px solid var(--ink);
}
.lead-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.lead-table thead th:first-child { width: 48%; }
.lead-table thead th { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--ink-2); text-align: center; padding: 10px 0 12px; }
.lead-table tbody tr { border-top: 1px solid var(--rule); }
.lead-table tbody th { font-family: var(--serif); font-size: 17px; font-weight: 400; line-height: 1.25; text-align: left; padding: 12px 12px 12px 0; }
.lead-table td { position: relative; }
/* each lane is a single blueline; one same-size mark shows which led */
.lead-table td::before { content: ""; position: absolute; top: 0; bottom: 0; left: calc(50% - .75px); border-left: 1.5px solid var(--blueline); }
.lead-table td.is-lead::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 12px;
  transform: translate(-50%, -50%); background: var(--cobalt);
}
.lead-chart figcaption { font-family: var(--mono); font-size: 12px; line-height: 1.55; color: var(--ink-2); margin-top: 18px; }
@media (forced-colors: active) {
  .lead-table td.is-lead::after { forced-color-adjust: none; background: CanvasText; }
}
@media (max-width: 860px) {
  .markup-2, .case-split { grid-template-columns: 1fr; }
}

/* Before/after allocation: geometric shares only, no client performance values. */
.mix-chart { margin: 0; padding: clamp(18px, 2.8vw, 30px); background: var(--paper-2); }
.mix-start { font-size: 14px; color: var(--ink-2); margin: 14px 0; }
.mix-rings { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.mix-ring svg { width: 100%; height: auto; }
.mix-ring svg text { font-family: var(--serif); font-size: 20px; fill: var(--ink); }
.mix-ring p { font-family: var(--mono); font-size: 11px; text-align: center; }
.mix-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; list-style: none; padding: 0; margin: 18px 0; font-size: 12px; }
.mix-legend li { display: flex; align-items: center; gap: 7px; }
.mix-legend i { display: inline-block; width: 10px; height: 10px; flex: none; }
.mix-chart figcaption { font-size: 12px; color: var(--ink-2); line-height: 1.5; }
.need-directions { margin-top: 32px; }
.need-directions ul { display: flex; flex-wrap: wrap; gap: 10px 24px; padding: 0; list-style: none; font-family: var(--serif); font-size: 21px; margin: 18px 0 12px; }
.need-directions > p:last-child { font-size: 15px; color: var(--ink-2); }
#casper .case-detail .lead-chart { margin-top: 16px; max-width: 620px; }