:root {
  --ink: #1a1a1a;
  --slate: #2d3748;
  --muted: #6d6a65;
  --paper: #f4f2ef;
  --paper-deep: #ebe6df;
  --sand: #cbbfaf;
  --sand-deep: #a98f70;
  --white: #ffffff;
  --line: rgba(26, 26, 26, 0.16);
  --line-strong: rgba(26, 26, 26, 0.38);
  --green: #0f8f4e;
  --blue: #2563eb;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Baskerville, Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --max: 1240px;
  --shadow-soft: 0 24px 80px rgba(31, 27, 22, 0.10);
  --shadow-float: 0 34px 90px rgba(31, 27, 22, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--green); }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: rgba(203, 191, 175, .68); color: var(--ink); }

.container { width: min(var(--max), calc(100% - 64px)); margin-inline: auto; }
.container-narrow { width: min(920px, calc(100% - 64px)); margin-inline: auto; }
.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: 18px; top: -80px; z-index: 9999; padding: 12px 18px; color: #fff; background: var(--ink); border-radius: 0 0 4px 4px; }
.skip-link:focus { top: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { min-height: 82px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand {
  justify-self: start;
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand-word { font-family: var(--serif); font-size: 2rem; line-height: 1; letter-spacing: -.04em; }
.brand-sub { color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.nav { display: flex; align-items: center; justify-content: center; gap: 30px; }
.nav a { position: relative; text-decoration: none; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--ink); transition: right .25s ease; }
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }
.header-action { justify-self: end; }
.header-link { display: inline-flex; align-items: center; gap: 10px; font-size: .79rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; }
.header-link::after { content: "↗"; font-size: 1rem; }
.menu-button { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; border-radius: 50%; align-items: center; justify-content: center; }
.menu-button svg { width: 21px; height: 21px; }

/* Type */
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-family: var(--serif); font-weight: 400; line-height: .99; letter-spacing: -.035em; }
h1 { font-size: clamp(3.8rem, 8.6vw, 8.4rem); }
h2 { font-size: clamp(2.7rem, 5.3vw, 5.4rem); }
h3 { font-size: clamp(1.5rem, 2.3vw, 2.15rem); line-height: 1.08; }
h4 { font-size: 1.35rem; line-height: 1.18; }
p { margin: 0 0 1.15rem; }
.lead { max-width: 720px; color: var(--slate); font-size: clamp(1.08rem, 1.45vw, 1.32rem); line-height: 1.65; }
.kicker, .eyebrow { display: inline-flex; align-items: center; gap: 11px; margin: 0 0 22px; color: var(--slate); font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.kicker::before, .eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--sand-deep); }
.display-italic { font-style: italic; color: var(--sand-deep); }
.small { font-size: .84rem; }
.muted { color: var(--muted); }
.text-green { color: var(--green); }
.text-blue { color: var(--blue); }

/* Buttons */
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 21px; border: 1px solid var(--ink); background: transparent; color: var(--ink); text-decoration: none; font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); color: #fff; background: var(--ink); }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { color: #fff; background: var(--green); border-color: var(--green); }
.button-light { color: var(--ink); background: var(--white); border-color: var(--white); }
.button-light:hover { background: var(--sand); color: var(--ink); border-color: var(--sand); }
.button-arrow::after { content: "→"; font-size: 1rem; }
.button-ghost { border-color: var(--line-strong); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* Home hero */
.editorial-hero { min-height: calc(100vh - 83px); display: flex; align-items: stretch; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(440px, 1.08fr); min-height: calc(100vh - 83px); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 84px 7vw 84px 0; border-right: 1px solid var(--line); }
.hero-copy h1 { max-width: 760px; font-size: clamp(4.3rem, 7.4vw, 8.2rem); }
.hero-copy .lead { max-width: 630px; margin-top: 34px; }
.hero-index { display: flex; justify-content: space-between; align-items: center; margin-bottom: 52px; padding-bottom: 15px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .73rem; letter-spacing: .12em; text-transform: uppercase; }
.hero-stage { position: relative; min-height: 780px; background: linear-gradient(145deg, #e5ded4 0%, #f7f5f1 48%, #d9cfc1 100%); overflow: hidden; }
.hero-stage::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 74% 12%, rgba(255,255,255,.92), transparent 34%), linear-gradient(90deg, rgba(255,255,255,.12), transparent 48%); }
.hero-stage::after { content: "Q"; position: absolute; right: -1.5vw; bottom: -8.5vw; color: rgba(255,255,255,.40); font-family: var(--serif); font-size: clamp(18rem, 38vw, 38rem); line-height: .7; letter-spacing: -.1em; }
.stage-caption { position: absolute; left: 36px; top: 34px; z-index: 3; max-width: 240px; color: #403b35; font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.stage-caption strong { display: block; margin-top: 6px; font-family: var(--serif); font-size: 1.75rem; font-weight: 400; letter-spacing: -.03em; text-transform: none; }
.device { position: absolute; z-index: 2; overflow: hidden; border: 10px solid rgba(252,250,247,.95); background: #fff; box-shadow: var(--shadow-float); }
.device img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.device-business { width: min(33vw, 390px); height: min(72vh, 720px); right: 7%; top: 11%; transform: rotate(1.6deg); border-radius: 34px; }
.device-customer { width: min(24vw, 284px); height: min(53vh, 530px); left: 7%; bottom: 5%; transform: rotate(-3.5deg); border-radius: 28px; }
.stage-note { position: absolute; z-index: 4; right: 28px; bottom: 26px; width: 210px; padding: 18px 18px 16px; color: #fff; background: var(--ink); }
.stage-note span { display: block; color: var(--sand); font-size: .68rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.stage-note strong { display: block; margin-top: 8px; font-family: var(--serif); font-size: 1.45rem; font-weight: 400; line-height: 1.1; }

/* Editorial sections */
.section { padding: 120px 0; border-bottom: 1px solid var(--line); }
.section-tight { padding: 82px 0; }
.section-dark { color: #f7f3ee; background: var(--ink); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark .lead, .section-dark p { color: #cbc8c2; }
.section-white { background: var(--white); }
.section-sand { background: var(--paper-deep); }
.manifesto { display: grid; grid-template-columns: 190px 1fr; gap: 70px; align-items: start; }
.manifesto-number { color: var(--sand-deep); font-family: var(--serif); font-size: 5rem; line-height: 1; }
.manifesto-quote { max-width: 1040px; font-family: var(--serif); font-size: clamp(2.5rem, 5.2vw, 5.5rem); line-height: 1.06; letter-spacing: -.035em; }
.manifesto-quote em { color: var(--sand-deep); font-weight: 400; }

.section-head { display: grid; grid-template-columns: 190px 1fr; gap: 70px; margin-bottom: 70px; }
.section-label { padding-top: 9px; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.section-title { max-width: 900px; }
.section-title p { max-width: 640px; margin-top: 24px; color: var(--muted); }

.venture-feature { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(330px, .82fr); min-height: 650px; border: 1px solid var(--line); background: var(--white); }
.venture-visual { position: relative; min-height: 650px; overflow: hidden; background: linear-gradient(135deg, #d7d0c6 0%, #f4f0eb 55%, #c8bba9 100%); }
.venture-visual::before { content: "01"; position: absolute; left: 34px; top: 28px; z-index: 3; color: rgba(26,26,26,.45); font-family: var(--serif); font-size: 2.5rem; }
.venture-visual .device-business { width: 315px; height: 630px; right: 8%; top: 34px; }
.venture-visual .device-customer { width: 230px; height: 460px; left: 8%; bottom: -40px; }
.venture-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px 58px; }
.venture-copy h2 { font-size: clamp(3.4rem, 5.5vw, 6.2rem); }
.venture-copy .lead { margin-top: 28px; }
.venture-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.venture-tags span { padding: 7px 11px; border: 1px solid var(--line); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.field-list { border-top: 1px solid var(--line); }
.field-row { display: grid; grid-template-columns: 110px minmax(220px, .75fr) 1fr 52px; gap: 30px; align-items: center; padding: 34px 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding-left .25s ease, background .25s ease; }
.field-row:hover { padding-left: 16px; color: inherit; }
.field-no { color: var(--sand-deep); font-family: var(--serif); font-size: 2rem; }
.field-name { font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 3.1rem); line-height: 1; letter-spacing: -.03em; }
.field-desc { color: var(--muted); }
.field-arrow { font-size: 1.4rem; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.principle { min-height: 330px; padding: 42px 34px; border-right: 1px solid rgba(255,255,255,.18); }
.principle:last-child { border-right: 0; }
.principle-no { color: var(--sand); font-family: var(--serif); font-size: 2.2rem; }
.principle h3 { margin-top: 78px; }
.principle p { margin-top: 19px; }

.company-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: start; }
.company-statement { max-width: 780px; font-family: var(--serif); font-size: clamp(2.4rem, 4vw, 4.2rem); line-height: 1.12; letter-spacing: -.03em; }
.company-facts { border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.fact-row dd { margin: 0; }

.cta-editorial { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; padding: 90px 0; }
.cta-editorial h2 { max-width: 900px; }

/* Internal page hero */
.page-hero { padding: 104px 0 86px; border-bottom: 1px solid var(--line); background: var(--paper); }
.page-hero .container, .page-hero .container-narrow { display: grid; grid-template-columns: 190px 1fr; gap: 70px; }
.page-hero .eyebrow { align-self: start; margin-top: 14px; }
.page-hero .eyebrow::before { display: none; }
.page-hero h1 { max-width: 1000px; font-size: clamp(4rem, 8vw, 8rem); }
.page-hero .lead { margin-top: 30px; }
.page-intro { max-width: 720px; }

.editorial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.editorial-copy p { max-width: 680px; color: var(--slate); font-size: 1.08rem; }
.editorial-copy h2 { margin-bottom: 34px; }
.editorial-aside { padding: 36px 0 0 36px; border-left: 1px solid var(--line); }

.profile-card { padding: 0; border-top: 1px solid var(--line-strong); }
.profile-card h3 { padding: 25px 0; border-bottom: 1px solid var(--line); }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.contact-list strong { color: var(--muted); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }

.statement-band { padding: 115px 0; color: #fff; background: var(--ink); }
.statement-band blockquote { max-width: 1080px; margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 5.1vw, 5.2rem); line-height: 1.05; letter-spacing: -.035em; }
.statement-band cite { display: block; margin-top: 34px; color: var(--sand); font-family: var(--sans); font-size: .72rem; font-style: normal; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }

.process-list { counter-reset: process; border-top: 1px solid var(--line); }
.process-item { counter-increment: process; display: grid; grid-template-columns: 110px .7fr 1fr; gap: 36px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.process-item::before { content: "0" counter(process); color: var(--sand-deep); font-family: var(--serif); font-size: 2rem; }
.process-item h3 { font-size: 2.3rem; }
.process-item p { color: var(--muted); }

/* Venture page */
.active-venture { display: grid; grid-template-columns: .86fr 1.14fr; gap: 0; background: var(--ink); color: #fff; }
.active-venture-copy { padding: 80px 64px; display: flex; flex-direction: column; justify-content: center; }
.active-venture-copy h2 { color: #fff; }
.active-venture-copy p { color: #cbc8c2; }
.active-venture-visual { min-height: 670px; background: linear-gradient(145deg, #ded5ca, #f7f3ed); position: relative; overflow: hidden; }
.active-venture-visual .device-business { width: 315px; height: 640px; top: 35px; right: 10%; }
.active-venture-visual .device-customer { width: 224px; height: 455px; left: 8%; bottom: -20px; }
.venture-number { margin-bottom: 50px; color: var(--sand); font-family: var(--serif); font-size: 4rem; }
.future-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 70px; }
.future-list { border-top: 1px solid var(--line); }
.future-item { display: grid; grid-template-columns: 74px 1fr; gap: 25px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.future-item strong { font-family: var(--serif); font-size: 2.1rem; font-weight: 400; line-height: 1; }
.future-item p { margin-top: 10px; color: var(--muted); }
.future-item span { color: var(--sand-deep); font-family: var(--serif); font-size: 1.5rem; }

/* Contact */
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.big-email { display: inline-block; margin: 22px 0 52px; font-family: var(--serif); font-size: clamp(2.1rem, 4vw, 4.1rem); line-height: 1; letter-spacing: -.03em; }
.contact-details { border-top: 1px solid var(--line); }
.contact-detail { display: grid; grid-template-columns: 125px 1fr; gap: 25px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.contact-detail dt { color: var(--muted); font-size: .69rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-detail dd { margin: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 25px; }
.field { position: relative; display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
label { color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
input, select, textarea { width: 100%; padding: 12px 0; border: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0; color: var(--ink); background: transparent; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 2px 0 var(--green); }
textarea { min-height: 130px; resize: vertical; }
.form-note { color: var(--muted); font-size: .78rem; }

/* Legacy-compatible cards/grids used by legal and old content */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 22px; }
.card { padding: 30px; border: 1px solid var(--line); background: rgba(255,255,255,.55); box-shadow: none; }
.card.soft { background: rgba(255,255,255,.35); }
.card p:last-child { margin-bottom: 0; }
.badge, .status-pill { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--line); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.feature-list { list-style: none; padding: 0; margin: 30px 0; }
.feature-list li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.check { color: var(--green); font-weight: 800; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 70px 1fr; gap: 25px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.timeline-dot { color: var(--sand-deep); font-family: var(--serif); font-size: 2rem; }
.product-showcase { padding: 55px; color: #fff; background: var(--ink); }
.product-showcase h2, .product-showcase h3 { color: #fff; }
.product-showcase p { color: #cbc8c2; }

/* Legal */
.legal { max-width: 930px; }
.legal-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; margin-bottom: 30px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.legal-summary { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; margin: 0 0 50px; background: var(--line); border: 1px solid var(--line); }
.legal-summary article { padding: 24px; background: var(--white); }
.legal-summary strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 1.3rem; font-weight: 400; }
.legal-summary span { color: var(--muted); font-size: .9rem; line-height: 1.5; }
.legal-toc { margin: 0 0 60px; padding: 32px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.legal-toc > strong { display: block; margin-bottom: 18px; color: var(--muted); font-size: .7rem; letter-spacing: .13em; text-transform: uppercase; }
.legal-toc ol { columns: 2; column-gap: 50px; margin: 0; padding-left: 22px; }
.legal-toc li { break-inside: avoid; margin-bottom: 8px; }
.legal-toc a { color: var(--slate); }
.legal-section { scroll-margin-top: 105px; padding-top: 18px; }
.legal-section h2 { margin: 54px 0 24px; font-size: 2.4rem; line-height: 1.1; }
.legal-section h3 { margin: 32px 0 16px; font-family: var(--sans); font-size: 1.05rem; font-weight: 800; letter-spacing: .02em; }
.legal-section ul, .legal-section ol { padding-left: 22px; }
.legal-section li { margin-bottom: 8px; }
.legal-callout, .notice { margin: 28px 0; padding: 24px 26px; border-left: 2px solid var(--sand-deep); background: var(--white); }
.legal-contact { margin-top: 55px; padding: 35px; border: 1px solid var(--line); background: var(--white); }
.legal-contact h2 { margin-top: 0; }
address { font-style: normal; }

/* Footer */
.site-footer { color: #eee9e2; background: var(--ink); }
.footer-statement { padding: 84px 0 66px; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer-statement p { max-width: 940px; margin: 0; color: #fff; font-family: var(--serif); font-size: clamp(2.4rem, 4.8vw, 5rem); line-height: 1.05; letter-spacing: -.035em; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr .9fr; gap: 55px; padding: 55px 0; }
.footer-grid h3 { margin-bottom: 18px; color: var(--sand); font-family: var(--sans); font-size: .69rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.footer-grid p { color: #aaa69f; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #ddd8d0; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-badge { display: inline-block; margin-top: 12px; color: var(--sand); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; padding: 24px 0 30px; border-top: 1px solid rgba(255,255,255,.18); color: #928f89; font-size: .76rem; }
.site-footer .brand { color: #fff; }
.site-footer .brand-sub { color: var(--sand); }

/* 404 */
.error-layout { min-height: calc(100vh - 83px); display: grid; place-items: center; text-align: center; padding: 80px 0; }
.error-code { color: var(--sand); font-family: var(--serif); font-size: clamp(8rem, 25vw, 22rem); line-height: .7; }
.error-layout h1 { margin-top: 38px; font-size: clamp(3rem, 6vw, 6rem); }
.error-layout p { max-width: 620px; margin: 28px auto; color: var(--muted); }

/* Animation */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .75s ease, transform .75s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .nav { order: 3; grid-column: 1 / -1; justify-content: flex-start; padding-bottom: 17px; }
  .header-action { grid-column: 2; grid-row: 1; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { min-height: 680px; padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-stage { min-height: 760px; }
  .device-business { width: 350px; }
  .device-customer { width: 255px; }
  .venture-feature, .active-venture { grid-template-columns: 1fr; }
  .venture-visual, .active-venture-visual { min-height: 680px; }
  .company-split, .contact-layout { gap: 60px; }
}

@media (max-width: 820px) {
  .container, .container-narrow { width: min(100% - 36px, var(--max)); }
  .header-inner { min-height: 72px; grid-template-columns: 1fr auto; }
  .brand-word { font-size: 1.72rem; }
  .brand-sub { display: none; }
  .menu-button { display: inline-flex; justify-self: end; }
  .header-action { display: none; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 18px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 4px; }
  .nav.is-open { display: flex; }
  .nav a { width: 100%; padding: 12px 0; }
  .nav a::after { display: none; }
  h1 { font-size: clamp(3.2rem, 14vw, 5.5rem); }
  .hero-copy { min-height: 630px; padding: 75px 0; }
  .hero-copy h1 { font-size: clamp(3.8rem, 15vw, 6.4rem); }
  .hero-stage { min-height: 670px; }
  .device-business { width: 300px; height: 590px; right: 5%; }
  .device-customer { width: 220px; height: 430px; left: 2%; }
  .stage-note { width: 180px; }
  .section { padding: 88px 0; }
  .manifesto, .section-head, .page-hero .container, .page-hero .container-narrow { grid-template-columns: 1fr; gap: 25px; }
  .manifesto-number { font-size: 3rem; }
  .section-head { margin-bottom: 48px; }
  .venture-copy { padding: 50px 32px; }
  .field-row { grid-template-columns: 58px 1fr 38px; }
  .field-desc { grid-column: 2; }
  .principles { grid-template-columns: 1fr; }
  .principle { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .principle:last-child { border-bottom: 0; }
  .principle h3 { margin-top: 40px; }
  .company-split, .editorial-grid, .future-grid, .contact-layout, .split { grid-template-columns: 1fr; }
  .cta-editorial { grid-template-columns: 1fr; align-items: start; }
  .process-item { grid-template-columns: 58px 1fr; }
  .process-item p { grid-column: 2; }
  .active-venture-copy { padding: 55px 32px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .legal-summary { grid-template-columns: 1fr; }
  .legal-toc ol { columns: 1; }
}

@media (max-width: 560px) {
  .hero-copy { min-height: auto; }
  .hero-index { margin-bottom: 36px; }
  .hero-stage { min-height: 580px; }
  .device-business { width: 245px; height: 490px; right: 2%; top: 48px; border-width: 7px; border-radius: 27px; }
  .device-customer { width: 175px; height: 345px; left: -1%; bottom: 12px; border-width: 7px; border-radius: 22px; }
  .stage-caption { left: 20px; top: 18px; }
  .stage-note { right: 12px; bottom: 12px; width: 160px; padding: 13px; }
  .stage-note strong { font-size: 1.15rem; }
  .venture-visual, .active-venture-visual { min-height: 560px; }
  .venture-visual .device-business, .active-venture-visual .device-business { width: 240px; height: 485px; }
  .venture-visual .device-customer, .active-venture-visual .device-customer { width: 170px; height: 340px; }
  .field-row { grid-template-columns: 44px 1fr 24px; gap: 16px; }
  .field-name { font-size: 1.72rem; }
  .grid-2, .grid-3, .grid-4, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .contact-list li, .contact-detail, .fact-row { grid-template-columns: 1fr; gap: 5px; }
  .footer-bottom { flex-direction: column; }
  .footer-statement { padding: 64px 0 50px; }
}