:root {
  --ink: #172228;
  --ink-soft: #536168;
  --cream: #f6f1e8;
  --paper: #fffaf2;
  --warm: #e9e2d6;
  --coral: #ed7356;
  --coral-dark: #cf563b;
  --aqua: #cfe0df;
  --line: rgba(23, 34, 40, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: min(1440px, calc(100vw - 80px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--paper); background: var(--coral); }

.sr-only {
  position: absolute;
  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: 20px;
  top: -80px;
  z-index: 1000;
  padding: 12px 16px;
  color: var(--paper);
  background: var(--ink);
  text-decoration: none;
}
.skip-link:focus { top: 20px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  color: var(--paper);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 180ms ease, height 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  height: 68px;
  color: var(--ink);
  background: rgba(246, 241, 232, 0.94);
  box-shadow: 0 12px 30px rgba(23, 34, 40, 0.08);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--coral);
  font: 700 20px/1 var(--serif);
}

.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font: 700 14px/1 var(--mono); letter-spacing: 0.16em; }
.brand-copy small { font-size: 11px; letter-spacing: 0.03em; opacity: 0.7; }

.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.3vw, 38px); }
.site-nav a {
  font-size: 12px;
  letter-spacing: 0.03em;
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 160ms ease;
}
.site-nav a:hover, .site-nav a:focus-visible { opacity: 1; }
.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 13px 16px;
  border: 1px solid currentColor;
  opacity: 1;
}
.site-nav .nav-cta span { color: var(--coral); }
.menu-toggle { display: none; }

.section-dark { color: var(--paper); background: var(--ink); }
.section-light { background: var(--cream); }
.section-warm { background: var(--warm); }
.section-coral { color: var(--ink); background: var(--coral); }

.hero {
  position: relative;
  min-height: 960px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(540px, 1.12fr);
  align-items: center;
  gap: clamp(52px, 7vw, 120px);
  padding: 154px max(40px, calc((100vw - 1440px) / 2)) 94px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(207, 224, 223, 0.18);
  border-radius: 50%;
  pointer-events: none;
}
.orbit-one { width: 740px; height: 740px; right: -150px; top: 90px; }
.orbit-two { width: 460px; height: 460px; right: -10px; top: 230px; }

.hero-copy, .companion-stage { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 28px; font: 700 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; }
.eyebrow span { display: inline-flex; align-items: center; gap: 14px; }
.eyebrow span::before { content: ""; width: 40px; height: 2px; background: var(--coral); }

.hero h1, .section-intro h2, .capability-heading h2, .proof h2, .story h2, .closing h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.92;
}
.hero h1 { max-width: 760px; font-size: clamp(72px, 7.6vw, 126px); }
.hero h1 em, .section-intro h2 em, .capability-heading h2 em, .proof h2 em, .story h2 em, .closing h2 em { color: var(--coral); font-weight: 400; }
.hero-lede { max-width: 650px; margin: 38px 0 0; color: rgba(255,255,255,.72); font-size: clamp(18px, 1.35vw, 22px); line-height: 1.6; }
.hero-promise { margin: 22px 0 0; font-family: var(--serif); font-size: clamp(25px, 2.2vw, 34px); font-style: italic; }

.hero-actions, .closing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 38px; }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 0 20px;
  border: 1px solid currentColor;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-coral { color: var(--ink); background: var(--coral); border-color: var(--coral); }
.button-coral:hover { background: #f78669; }
.button-ghost { color: var(--paper); border-color: rgba(255,255,255,.42); }
.button-ghost:hover { color: var(--ink); background: var(--paper); }
.button-ink { color: var(--paper); background: var(--ink); border-color: var(--ink); }
.button-ink:hover { color: var(--ink); background: transparent; }

.hero-proof {
  margin-top: 52px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 25px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.hero-proof span { color: rgba(255,255,255,.55); font: 700 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.hero-proof span:not(:last-child)::after { content: "/"; margin-left: 25px; color: var(--coral); }

.companion-stage { align-self: center; max-width: 760px; }
.device-glow { position: absolute; inset: 10% -8% 3%; background: var(--coral); filter: blur(110px); opacity: .14; }
.device {
  position: relative;
  min-height: 610px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 42px 100px rgba(0,0,0,.34);
}
.device-topbar { height: 63px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--line); }
.mini-brand { display: flex; align-items: center; gap: 10px; font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.mini-brand span { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 50%; color: var(--paper); background: var(--coral); font: 700 13px/1 var(--serif); }
.live-dot { display: flex; align-items: center; gap: 7px; color: #587c5f; font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.live-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #69a675; box-shadow: 0 0 0 4px rgba(105,166,117,.14); }
.device-nav { height: 58px; display: flex; gap: 4px; padding: 0 20px; border-bottom: 1px solid var(--line); }
.device-nav button { position: relative; padding: 0 17px; border: 0; color: var(--ink-soft); background: transparent; cursor: pointer; font-size: 12px; }
.device-nav button.active { color: var(--ink); font-weight: 700; }
.device-nav button.active::after { content: ""; position: absolute; left: 17px; right: 17px; bottom: -1px; height: 3px; background: var(--coral); }
.preview-panel { display: none; padding: 26px 28px 30px; }
.preview-panel.active { display: block; animation: panel-in 240ms ease both; }
@keyframes panel-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.preview-date { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; }
.preview-date strong { font-family: var(--serif); font-size: 26px; font-weight: 400; }
.preview-date span { color: var(--ink-soft); font-size: 10px; }
.session-card { position: relative; display: grid; grid-template-columns: 78px 1fr auto; gap: 18px; min-height: 126px; padding: 21px 20px; border: 1px solid var(--line); border-left: 3px solid var(--aqua); }
.session-card + .session-card { margin-top: 12px; }
.session-card.selected { border-left-color: var(--coral); }
.session-time strong { display: block; font-family: var(--serif); font-size: 26px; font-weight: 400; line-height: 1; }
.session-time span, .session-card p, .person-card p { color: var(--ink-soft); font-size: 10px; }
.session-card small, .person-card small, .note-card small { color: var(--coral-dark); font: 700 8px/1 var(--mono); letter-spacing: .08em; }
.session-card h3, .person-card h3 { margin: 7px 0 5px; font-family: var(--serif); font-size: 20px; font-weight: 400; line-height: 1.1; }
.session-card p, .person-card p { margin: 0; }
.status { align-self: start; padding: 6px 8px; border: 1px solid var(--coral); color: var(--coral-dark); font: 700 8px/1 var(--mono); }
.status.maybe { color: var(--ink-soft); border-color: var(--line); }
.context-tip { display: flex; gap: 12px; margin-top: 16px; padding: 15px 17px; background: rgba(207,224,223,.45); }
.context-tip > span { color: var(--coral); }
.context-tip p { margin: 0; color: var(--ink-soft); font-size: 11px; }
.context-tip strong { display: block; color: var(--ink); }
.person-card { display: grid; grid-template-columns: 54px 1fr 34px; align-items: center; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.person-card .avatar { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: var(--paper); font: 700 11px/1 var(--mono); }
.avatar-one { background: #49676e; }.avatar-two { background: #bb765d; }
.person-card button { width: 32px; height: 32px; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.note-card { margin-top: 20px; padding: 19px; border-left: 3px solid var(--coral); background: #f2e6d9; }
.note-card p { margin: 8px 0 0; font-family: var(--serif); font-size: 18px; line-height: 1.35; }
.desk-summary { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.desk-summary div { display: grid; gap: 5px; padding: 20px; }
.desk-summary div + div { border-left: 1px solid var(--line); }
.desk-summary strong { font: 400 30px/1 var(--serif); }
.desk-summary span { color: var(--ink-soft); font-size: 9px; }
.note-field { display: grid; gap: 9px; margin-top: 22px; color: var(--ink-soft); font-size: 10px; }
.note-field textarea { height: 96px; resize: none; padding: 15px; border: 1px solid var(--line); color: var(--ink); background: transparent; font-family: var(--serif); font-size: 17px; }
.compile-button { width: 100%; min-height: 48px; margin-top: 14px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border: 0; color: var(--paper); background: var(--ink); font: 700 10px/1 var(--mono); cursor: pointer; }
.stage-caption { display: grid; grid-template-columns: 30px 1fr; gap: 12px; max-width: 620px; margin: 24px 0 0 28px; color: rgba(255,255,255,.54); font-size: 11px; }
.stage-caption span { color: var(--coral); font: 700 10px/1 var(--mono); }

.manifesto, .experience, .value, .story { padding: 130px max(40px, calc((100vw - 1440px) / 2)); }
.manifesto { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px 110px; }
.section-number { margin: 0 0 30px; color: var(--coral-dark); font: 700 10px/1 var(--mono); letter-spacing: .16em; }
.section-number.light { color: var(--coral); }
.section-intro h2, .capability-heading h2, .proof h2, .story h2 { font-size: clamp(56px, 6vw, 96px); }
.manifesto-copy { padding-top: 45px; }
.manifesto-copy p { max-width: 700px; margin: 0; color: var(--ink-soft); font-size: 17px; line-height: 1.75; }
.manifesto-copy .large-copy { margin-bottom: 25px; color: var(--ink); font-family: var(--serif); font-size: clamp(27px, 2.7vw, 42px); line-height: 1.25; letter-spacing: -.02em; }
.promise-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.promise-card { min-height: 330px; padding: 34px; background: var(--paper); }
.promise-card + .promise-card { border-left: 1px solid var(--line); }
.promise-card.coral { background: var(--coral); }
.promise-index { color: var(--coral-dark); font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.promise-card.coral .promise-index { color: var(--ink); }
.promise-card h3 { max-width: 280px; margin: 85px 0 20px; font: 400 clamp(28px, 2.4vw, 39px)/1.08 var(--serif); letter-spacing: -.03em; }
.promise-card p { max-width: 340px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.promise-card.coral p { color: rgba(23,34,40,.76); }

.experience .section-intro { display: grid; grid-template-columns: 1fr 1fr; column-gap: 90px; }
.experience .section-intro .section-number { grid-column: 1 / -1; }
.section-lede { align-self: end; max-width: 520px; margin: 0 0 5px; color: var(--ink-soft); font-size: 18px; line-height: 1.65; }
.experience-rail { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 90px; }
.experience-rail::before { content: ""; position: absolute; left: 0; right: 0; top: 43px; height: 1px; background: rgba(23,34,40,.25); }
.experience-step { position: relative; padding: 0 38px 0 0; }
.experience-step + .experience-step { padding-left: 38px; }
.step-number { display: inline-grid; place-items: center; width: 86px; height: 86px; border: 1px solid rgba(23,34,40,.3); border-radius: 50%; background: var(--warm); font: 700 10px/1 var(--mono); }
.step-icon { margin: 42px 0 36px; color: var(--coral-dark); font: 400 42px/1 var(--serif); }
.experience-step h3 { max-width: 220px; margin: 0 0 20px; font: 400 30px/1.08 var(--serif); letter-spacing: -.025em; }
.experience-step p { max-width: 270px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.capabilities { padding: 130px max(40px, calc((100vw - 1440px) / 2)); }
.capability-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.capability-heading .section-number { align-self: start; min-width: 180px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 85px; border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.capability-card { min-height: 320px; padding: 30px; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.capability-card span { color: var(--coral); font: 700 9px/1 var(--mono); }
.capability-card h3 { max-width: 330px; margin: 88px 0 18px; font: 400 32px/1.08 var(--serif); letter-spacing: -.025em; }
.capability-card p { max-width: 340px; margin: 0; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.65; }
.principles { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 38px; margin-top: 52px; }
.principles span { color: rgba(255,255,255,.5); font: 700 9px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.principles span::before { content: "•"; margin-right: 38px; color: var(--coral); }

.value .section-intro { display: flex; align-items: end; justify-content: space-between; gap: 80px; }
.audience-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 80px; border: 1px solid var(--line); }
.audience-tabs button { min-height: 66px; padding: 0 20px; border: 0; color: var(--ink-soft); background: transparent; cursor: pointer; font: 700 11px/1 var(--mono); }
.audience-tabs button + button { border-left: 1px solid var(--line); }
.audience-tabs button.active { color: var(--ink); background: var(--coral); }
.audience-panel { display: none; grid-template-columns: 1.1fr .9fr; min-height: 470px; border: 1px solid var(--line); border-top: 0; background: var(--paper); }
.audience-panel.active { display: grid; animation: panel-in 240ms ease both; }
.audience-statement { padding: 60px; border-right: 1px solid var(--line); }
.audience-statement small { color: var(--coral-dark); font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.audience-statement h3 { max-width: 650px; margin: 65px 0 25px; font: 400 clamp(34px, 3vw, 50px)/1.08 var(--serif); letter-spacing: -.035em; }
.audience-statement p { max-width: 650px; margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.benefit-list { margin: 0; padding: 48px; list-style: none; display: flex; flex-direction: column; justify-content: center; }
.benefit-list li { display: grid; grid-template-columns: 38px 1fr; gap: 14px; padding: 23px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 20px; line-height: 1.2; }
.benefit-list li:last-child { border-bottom: 0; }
.benefit-list span { color: var(--coral-dark); font: 700 9px/1 var(--mono); }

.proof { padding: 100px max(40px, calc((100vw - 1440px) / 2)); }
.proof-card { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 650px; overflow: hidden; color: var(--paper); background: var(--ink); }
.proof-copy { align-self: center; padding: clamp(45px, 5vw, 80px); }
.proof-copy p:not(.section-number) { max-width: 530px; margin: 30px 0 0; color: rgba(255,255,255,.65); line-height: 1.7; }
.proof-copy .button { margin-top: 35px; color: var(--ink); background: var(--coral); border-color: var(--coral); }
.proof-interface { display: flex; align-items: center; padding: 70px 0 70px 60px; overflow: hidden; background: var(--coral); }
.proof-browser { width: 780px; min-width: 680px; min-height: 510px; background: var(--paper); box-shadow: -30px 30px 70px rgba(23,34,40,.26); transform: rotate(-2deg); }
.browser-bar { height: 42px; display: flex; align-items: center; gap: 7px; padding: 0 14px; color: var(--ink-soft); background: #e9e6df; font: 400 9px/1 var(--mono); }
.browser-bar i { width: 7px; height: 7px; border-radius: 50%; background: #c3beb5; }
.browser-bar span { margin-left: 14px; }
.browser-content { padding: 28px 34px; color: var(--ink); }
.browser-content > small { color: var(--coral-dark); font: 700 8px/1 var(--mono); letter-spacing: .12em; }
.browser-content > h3 { margin: 20px 0 30px; font: 400 45px/.96 var(--serif); letter-spacing: -.04em; }
.browser-nav { display: flex; gap: 28px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 9px; }
.browser-nav .active { font-weight: 700; border-bottom: 2px solid var(--coral); }
.browser-session { min-height: 100px; display: grid; grid-template-columns: 80px 1fr 20px; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.browser-session b { font: 400 22px/1 var(--serif); }
.browser-session > span { font: 400 18px/1.2 var(--serif); }
.browser-session small { display: block; margin-bottom: 8px; color: var(--coral-dark); font: 700 7px/1 var(--mono); }
.browser-session i { font-style: normal; font-size: 22px; }

.story { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 100px; }
.story-mark { position: relative; min-height: 620px; display: grid; place-items: center; }
.story-mark::before, .story-mark::after { content: ""; position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.story-mark::before { width: min(520px, 90%); aspect-ratio: 1; }
.story-mark::after { width: min(350px, 62%); aspect-ratio: 1; border-color: var(--coral); }
.story-mark span { position: relative; z-index: 1; font: 400 clamp(150px, 18vw, 280px)/1 var(--serif); }
.story-copy { max-width: 700px; }
.story-lede { margin: 45px 0 24px; color: var(--ink); font: 400 26px/1.4 var(--serif); }
.story-copy > p:not(.section-number):not(.story-lede) { color: var(--ink-soft); line-height: 1.75; }
.story-copy blockquote { margin: 38px 0 0; padding: 20px 0 20px 26px; border-left: 3px solid var(--coral); font: italic 24px/1.4 var(--serif); }

.closing { min-height: 740px; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 100px 40px; text-align: center; }
.closing .section-number { color: var(--ink); }
.closing h2 { font-size: clamp(68px, 8vw, 130px); }
.closing h2 em { color: var(--paper); }
.closing > p:not(.section-number) { max-width: 690px; margin: 38px auto 0; font-size: 19px; }
.closing-actions { justify-content: center; }
.closing .text-link { margin: 0 18px; font: 700 11px/1 var(--mono); text-underline-offset: 5px; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr auto; align-items: end; gap: 30px; padding: 58px max(40px, calc((100vw - 1440px) / 2)); color: rgba(255,255,255,.66); background: var(--ink); font-size: 12px; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--paper); text-decoration: none; }
.footer-brand span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--coral); font: 700 18px/1 var(--serif); }
.footer-brand strong { font: 700 12px/1 var(--mono); letter-spacing: .16em; }
.site-footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { text-underline-offset: 4px; }
.copyright { text-align: right; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (max-width: 1120px) {
  :root { --page: calc(100vw - 48px); }
  .site-header { padding: 0 24px; }
  .site-nav { gap: 18px; }
  .site-nav > a:not(.nav-cta) { display: none; }
  .hero { min-height: 0; grid-template-columns: 1fr; padding: 140px 40px 85px; }
  .hero-copy { max-width: 820px; }
  .companion-stage { width: min(760px, 92%); justify-self: end; }
  .manifesto { grid-template-columns: 1fr 1fr; gap: 60px; }
  .experience-rail { grid-template-columns: repeat(2, 1fr); gap: 70px 0; }
  .experience-rail::before { display: none; }
  .experience-step:nth-child(odd) { border-right: 1px solid var(--line); }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-card { grid-template-columns: 1fr; }
  .proof-interface { min-height: 600px; padding-left: 12%; }
  .story { grid-template-columns: .65fr 1.35fr; gap: 50px; }
  .story-mark { min-height: 480px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .copyright { text-align: left; }
}

@media (max-width: 760px) {
  body { font-size: 17px; }
  .site-header { height: 68px; padding: 0 18px; background: rgba(23,34,40,.96); }
  .site-header.scrolled { color: var(--paper); background: rgba(23,34,40,.96); }
  .brand-copy small { display: none; }
  .brand-mark { width: 36px; height: 36px; }
  .menu-toggle { width: 44px; height: 44px; display: grid; align-content: center; gap: 7px; padding: 10px; border: 0; background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; height: 1px; background: var(--paper); }
  .site-nav { position: fixed; inset: 68px 0 auto 0; display: none; padding: 18px; color: var(--paper); background: var(--ink); border-top: 1px solid rgba(255,255,255,.12); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.nav-cta) { display: block; padding: 13px 4px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .site-nav .nav-cta { margin-top: 5px; }

  .hero { gap: 62px; padding: 118px 20px 70px; }
  .hero h1 { font-size: clamp(55px, 16vw, 78px); }
  .hero-lede { margin-top: 28px; font-size: 18px; }
  .hero-promise { font-size: 27px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-proof { gap: 12px 20px; margin-top: 38px; }
  .hero-proof span:not(:last-child)::after { margin-left: 20px; }
  .companion-stage { width: 100%; justify-self: stretch; }
  .device { min-height: 0; }
  .device-topbar { padding: 0 15px; }
  .device-nav { padding: 0 8px; }
  .device-nav button { padding: 0 11px; }
  .preview-panel { padding: 20px 13px; }
  .preview-date { display: grid; gap: 4px; }
  .session-card { grid-template-columns: 58px 1fr; gap: 12px; padding: 17px 12px; }
  .session-card .status { grid-column: 2; justify-self: start; }
  .session-time strong { font-size: 21px; }
  .session-card h3 { font-size: 18px; }
  .desk-summary div { padding: 14px 8px; }
  .desk-summary strong { font-size: 25px; }
  .stage-caption { margin-left: 0; }

  .manifesto, .experience, .value, .story, .capabilities { padding: 88px 20px; }
  .manifesto { grid-template-columns: 1fr; gap: 34px; }
  .section-intro h2, .capability-heading h2, .proof h2, .story h2 { font-size: clamp(52px, 15vw, 72px); }
  .manifesto-copy { padding-top: 0; }
  .promise-grid { grid-template-columns: 1fr; }
  .promise-card { min-height: 280px; padding: 26px; }
  .promise-card + .promise-card { border-left: 0; border-top: 1px solid var(--line); }
  .promise-card h3 { margin-top: 65px; font-size: 34px; }

  .experience .section-intro { grid-template-columns: 1fr; gap: 28px; }
  .experience .section-intro .section-number { grid-column: auto; }
  .section-lede { margin-top: 10px; font-size: 17px; }
  .experience-rail { grid-template-columns: 1fr; gap: 0; margin-top: 60px; }
  .experience-step, .experience-step + .experience-step { display: grid; grid-template-columns: 70px 1fr; column-gap: 20px; padding: 28px 0; border-top: 1px solid var(--line); }
  .experience-step:nth-child(odd) { border-right: 0; }
  .step-number { grid-row: 1 / 4; width: 62px; height: 62px; }
  .step-icon { display: none; }
  .experience-step h3 { max-width: none; margin: 0 0 12px; font-size: 28px; }
  .experience-step p { max-width: none; }

  .capability-heading { display: block; }
  .capability-grid { grid-template-columns: 1fr; margin-top: 55px; }
  .capability-card { min-height: 270px; padding: 25px; }
  .capability-card h3 { margin-top: 62px; }
  .principles { justify-content: flex-start; }
  .principles span::before { margin-right: 12px; }

  .value .section-intro { display: block; }
  .audience-tabs { grid-template-columns: 1fr; margin-top: 55px; }
  .audience-tabs button + button { border-left: 0; border-top: 1px solid var(--line); }
  .audience-panel.active { grid-template-columns: 1fr; }
  .audience-statement { padding: 34px 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .audience-statement h3 { margin-top: 45px; font-size: 36px; }
  .benefit-list { padding: 22px 24px; }
  .benefit-list li { font-size: 18px; }

  .proof { padding: 60px 20px; }
  .proof-copy { padding: 55px 24px; }
  .proof-interface { min-height: 410px; padding: 48px 0 48px 32px; }
  .proof-browser { min-width: 540px; min-height: 360px; }
  .browser-content { padding: 22px; }
  .browser-content > h3 { font-size: 35px; }

  .story { grid-template-columns: 1fr; gap: 40px; }
  .story-mark { min-height: 360px; }
  .story-mark span { font-size: 180px; }
  .story-lede { font-size: 24px; }

  .closing { min-height: 650px; padding: 85px 20px; }
  .closing h2 { font-size: clamp(56px, 16vw, 84px); }
  .closing .text-link { margin-top: 16px; }
  .site-footer { grid-template-columns: 1fr; padding: 48px 20px; }
}

@media (max-width: 390px) {
  .brand-copy strong { font-size: 12px; }
  .hero h1 { font-size: 52px; }
  .hero-proof span:not(:last-child)::after { display: none; }
  .person-card { grid-template-columns: 46px 1fr 30px; gap: 10px; }
  .person-card .avatar { width: 44px; height: 44px; }
  .desk-summary { grid-template-columns: 1fr; }
  .desk-summary div + div { border-left: 0; border-top: 1px solid var(--line); }
}