@font-face {
  font-family: "Manrope";
  src: url("assets/manrope-latin-ext.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Manrope";
  src: url("assets/manrope-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono-500-latin-ext.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono-500-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --turquoise: #11B8B2;
  --teal: #006F75;
  --ink: #0A1D29;
  --mist: #E3F6F3;
  --paper: #F7F7F2;
  --slate: #5E6D72;
  --coral: #FF735C;
  --white: #FFFFFF;
  --line: rgba(10, 29, 41, 0.16);
  --line-dark: rgba(247, 247, 242, 0.16);
  --shadow: 0 24px 70px rgba(10, 29, 41, 0.12);
  --radius: 4px;
  --header-height: 82px;
  --shell: min(1400px, calc(100vw - 72px));
  --section-space: clamp(88px, 10vw, 156px);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

::selection { background: var(--turquoise); color: var(--ink); }

.shell { width: var(--shell); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section-mist { background: var(--mist); }
.section-ink { background: var(--ink); color: var(--paper); }

.skip-link {
  position: fixed;
  left: 18px;
  top: 18px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--turquoise);
  color: var(--ink);
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.eyebrow,
.mono-label,
.service-index,
.project-top,
.value-grid article > span,
.field-label,
.field-index {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow { margin: 0 0 26px; color: var(--teal); }
.eyebrow-bright { color: #38D5C8; }
.mono-label { color: var(--teal); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }

h1 {
  max-width: 900px;
  margin-bottom: 32px;
  font-size: clamp(58px, 7.4vw, 120px);
  font-weight: 650;
  letter-spacing: -.068em;
  line-height: .91;
}

h2 {
  margin-bottom: 28px;
  font-size: clamp(44px, 5.2vw, 78px);
  font-weight: 620;
  letter-spacing: -.055em;
  line-height: .98;
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(24px, 2.3vw, 34px);
  font-weight: 620;
  letter-spacing: -.035em;
  line-height: 1.08;
}

.accent-text { color: var(--teal); }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.2;
  transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}
.button-small { min-height: 42px; padding: 10px 15px; font-size: 12px; }
.button-primary { background: var(--turquoise); color: var(--ink); }
.button-primary:hover { background: #35D1C4; }
.button-ink { background: var(--ink); color: var(--paper); }
.button-ink:hover { background: var(--teal); }
.button-outline { border-color: var(--ink); color: var(--ink); }
.button-outline:hover { background: var(--ink); color: var(--paper); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--ink);
  padding-block: 8px;
  font-size: 14px;
  font-weight: 600;
}

.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, 3px); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(247, 247, 242, .82);
  backdrop-filter: blur(16px);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(10, 29, 41, .06);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: 160px 1fr auto;
  align-items: center;
  gap: 34px;
}

.brand-link { width: 132px; }
.brand-link img { width: 100%; height: auto; }

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.7vw, 42px);
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  color: #31434b;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 2px;
  background: var(--turquoise);
  transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a.is-active::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 18px; }
.language-switch { display: flex; align-items: center; gap: 5px; font: 500 11px/1 "IBM Plex Mono", monospace; }
.language-switch button { border: 0; padding: 6px 3px; background: transparent; cursor: pointer; color: var(--slate); }
.language-switch button.is-active { color: var(--teal); }
.menu-toggle { display: none; }

.hero {
  min-height: 100svh;
  padding-top: calc(var(--header-height) + clamp(60px, 7vw, 110px));
  background: var(--paper);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(380px, .75fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: center;
}

.hero-copy { position: relative; z-index: 2; }
.word-stage { display: inline-grid; min-width: 5.15ch; }
.word-stage > span { grid-area: 1 / 1; display: inline-block; transition: opacity .22s ease, transform .22s ease; }
.word-stage > span.is-changing { opacity: 0; transform: translateY(18px); }

.hero-lead { max-width: 780px; margin-bottom: 38px; color: #465960; font-size: clamp(18px, 1.6vw, 24px); line-height: 1.5; }
.hero-actions { display: flex; align-items: center; gap: 28px; }

.hero-visual { min-height: 580px; display: flex; align-items: stretch; }
.nexus-field {
  position: relative;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--mist);
  background-size: 44px 44px;
}

.nexus-field::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -90px;
  top: -70px;
  border-radius: 50%;
  background: var(--turquoise);
  opacity: .13;
}

.field-label, .field-index { position: absolute; z-index: 3; color: var(--teal); }
.field-label { top: 24px; left: 24px; }
.field-index { right: 24px; bottom: 22px; }
.hero-symbol { position: absolute; z-index: 2; width: min(48%, 250px); left: 50%; top: 50%; transform: translate(-50%, -50%); filter: drop-shadow(0 24px 28px rgba(10, 29, 41, .08)); }
.nexus-line { position: absolute; z-index: 1; height: 3px; background: var(--turquoise); transform-origin: left center; }
.line-one { width: 118%; left: -10%; top: 72%; transform: rotate(-14deg); }
.line-two { width: 70%; left: 38%; top: 24%; transform: rotate(42deg); opacity: .5; }
.node { position: absolute; z-index: 4; width: 16px; height: 16px; border: 3px solid var(--turquoise); background: var(--mist); }
.node-one { left: 20%; top: 67%; }
.node-two { right: 20%; top: 44%; background: var(--turquoise); }
.node-three { left: 55%; top: 30%; width: 10px; height: 10px; }

.hero-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(64px, 8vw, 120px);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.hero-principles div { min-height: 120px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
.hero-principles span { font: 500 10px/1.3 "IBM Plex Mono", monospace; letter-spacing: .1em; color: var(--teal); }
.hero-principles strong { font-size: 22px; letter-spacing: -.03em; }

.split-intro { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .75fr); gap: clamp(50px, 8vw, 130px); align-items: start; }
.prose-large { font-size: clamp(18px, 1.7vw, 25px); line-height: 1.55; color: #3f525a; }
.prose-large p:last-child { margin-bottom: 0; }
.prose-muted { color: #b3c0c3; }

.definition-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 78px; border: 1px solid var(--line); }
.definition-grid article { min-height: 280px; padding: clamp(28px, 3.4vw, 50px); border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: flex-start; }
.definition-grid article:last-child { border-right: 0; }
.definition-grid h3 { margin-top: auto; }
.definition-grid p { margin-bottom: 0; color: var(--slate); }
.definition-featured { background: var(--turquoise); }
.definition-featured .mono-label, .definition-featured p { color: var(--ink); }

.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .55fr); column-gap: clamp(50px, 8vw, 130px); align-items: end; margin-bottom: 68px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p:last-child { margin-bottom: 4px; color: var(--slate); font-size: 18px; }

.service-list { border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 120px minmax(210px, .7fr) minmax(260px, 1fr) minmax(190px, .6fr); gap: clamp(24px, 3vw, 52px); align-items: start; padding-block: 46px; border-bottom: 1px solid var(--line); }
.service-index { color: var(--teal); padding-top: 8px; }
.service-title h3 { margin-bottom: 10px; }
.service-title p { margin: 0; color: var(--teal); font-weight: 650; }
.service-copy p { margin: 0; color: #42545b; }
.service-tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags li, .tag-row span { border: 1px solid var(--line); padding: 8px 10px; font: 500 9px/1.1 "IBM Plex Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.section-end { display: flex; justify-content: space-between; gap: 32px; align-items: center; margin-top: 52px; }
.section-end p { max-width: 650px; margin: 0; font-size: clamp(22px, 2.4vw, 34px); line-height: 1.25; letter-spacing: -.035em; font-weight: 580; }

.section-ink h2 { color: var(--paper); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.process-grid article { min-height: 320px; padding: 30px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); display: flex; flex-direction: column; }
.process-grid article > span { font: 500 11px/1 "IBM Plex Mono", monospace; color: var(--turquoise); }
.process-grid h3 { margin-top: auto; color: var(--paper); }
.process-grid p { margin-bottom: 0; color: #aab8bc; }

.model-wrap { margin-top: 110px; }
.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.model-grid article { min-height: 300px; border: 1px solid var(--line-dark); padding: clamp(26px, 3vw, 42px); }
.model-grid h3 { margin-top: 70px; color: var(--paper); font-size: 27px; }
.model-grid p { margin-bottom: 0; color: #aab8bc; }
.model-grid .mono-label { color: var(--turquoise); }

.experience-heading { align-items: end; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.project-card { position: relative; min-height: 440px; overflow: hidden; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(30px, 4vw, 58px); display: flex; flex-direction: column; background: var(--paper); }
.project-card::after { content: ""; position: absolute; width: 48%; height: 2px; top: 32%; right: -12%; background: var(--turquoise); transform: rotate(-14deg); }
.project-card:nth-child(3n)::after { top: 24%; transform: rotate(12deg); }
.project-top { display: flex; justify-content: space-between; gap: 16px; color: var(--teal); }
.project-card > p { position: relative; z-index: 2; max-width: 740px; margin: auto 0 42px; font-size: clamp(25px, 2.8vw, 43px); font-weight: 590; line-height: 1.11; letter-spacing: -.045em; }
.tag-row { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 8px; }
.project-featured { background: var(--ink); color: var(--paper); }
.project-featured .project-top { color: var(--turquoise); }
.project-featured .tag-row span { border-color: var(--line-dark); }
.project-wide { grid-column: 1 / -1; min-height: 390px; }
.project-wide > p { max-width: 1100px; }
.experience-note { margin-top: 26px; color: var(--slate); font-size: 12px; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value-grid article { min-height: 260px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-grid article > span { color: var(--teal); }
.value-grid h3 { margin-top: 70px; }
.value-grid p { margin-bottom: 0; color: var(--slate); }
.value-formula { margin-top: 42px; border: 1px solid var(--line); background: var(--paper); display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 18px; padding: 32px; font-size: clamp(17px, 1.6vw, 24px); }
.value-formula b { color: var(--turquoise); }
.value-formula strong { color: var(--teal); }

.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .78fr); gap: clamp(60px, 10vw, 160px); }
.about-copy { padding-top: 60px; }
.founder-signature { display: flex; flex-direction: column; gap: 3px; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.founder-signature strong { font-size: 21px; color: var(--ink); }
.founder-signature span { font: 500 11px/1.4 "IBM Plex Mono", monospace; letter-spacing: .06em; color: var(--teal); text-transform: uppercase; }
.about-principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 90px; border: 1px solid var(--line); }
.about-principles span { min-height: 120px; padding: 26px; border-right: 1px solid var(--line); display: flex; align-items: flex-end; font-size: clamp(18px, 2vw, 28px); font-weight: 600; letter-spacing: -.03em; }
.about-principles span:last-child { border: 0; }

.contact-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(480px, .7fr); gap: clamp(70px, 10vw, 160px); align-items: start; }
.contact-copy { position: sticky; top: calc(var(--header-height) + 40px); }
.contact-copy h2 { font-size: clamp(52px, 6vw, 90px); }
.contact-copy > p { max-width: 650px; color: #b4c0c3; font-size: 18px; }
.direct-contact { margin-top: 66px; display: flex; flex-direction: column; gap: 5px; }
.direct-contact span { color: #94a4a8; font-size: 13px; }
.direct-contact a { width: fit-content; border-bottom: 1px solid var(--turquoise); color: var(--turquoise); font-size: clamp(24px, 2.6vw, 38px); letter-spacing: -.035em; }

.contact-form { padding: clamp(28px, 4vw, 54px); background: var(--paper); color: var(--ink); }
.form-heading { margin-bottom: 38px; }
.form-heading h3 { margin: 12px 0 0; font-size: 32px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 9px; margin-bottom: 20px; font-size: 12px; font-weight: 650; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid rgba(10,29,41,.22); border-radius: 0; background: var(--white); color: var(--ink); padding: 14px 15px; outline: 0; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(17,184,178,.14); }
.contact-form input[aria-invalid="true"], .contact-form select[aria-invalid="true"], .contact-form textarea[aria-invalid="true"] { border-color: var(--coral); }
.consent { grid-template-columns: 20px 1fr; align-items: start; gap: 12px !important; font-weight: 450 !important; line-height: 1.4; }
.consent input { width: 18px; height: 18px; margin: 0; accent-color: var(--turquoise); }
.consent a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.honeypot { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.turnstile-wrap { min-height: 65px; margin: 4px 0 18px; }
.button-submit { width: 100%; margin-top: 8px; }
.button-submit:disabled { cursor: wait; opacity: .62; transform: none; }
.form-status { margin: 14px 0 0; color: var(--slate); font-size: 11px; line-height: 1.45; }
.form-status.is-success { color: var(--teal); font-weight: 650; }
.form-status.is-error { color: #B43C2A; font-weight: 650; }

.site-footer { padding: 80px 0 28px; background: #06151e; color: var(--paper); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-bottom: 70px; }
.footer-brand img { width: 190px; }
.footer-brand p { margin: 30px 0 0; color: var(--turquoise); font-size: 24px; letter-spacing: -.03em; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-links > div { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links span { margin-bottom: 12px; font: 500 10px/1.3 "IBM Plex Mono", monospace; letter-spacing: .1em; color: var(--turquoise); text-transform: uppercase; }
.footer-links a { color: #b6c2c5; font-size: 14px; }
.footer-links a:hover { color: var(--paper); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 24px; border-top: 1px solid var(--line-dark); color: #89999e; font-size: 11px; }
.footer-bottom div { display: flex; gap: 28px; }

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  width: min(390px, calc(100vw - 48px));
  border-left: 4px solid var(--turquoise);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
  padding: 22px 50px 22px 22px;
}
.toast[hidden] { display: none; }
.toast strong, .toast span { display: block; }
.toast strong { margin-bottom: 5px; color: var(--turquoise); }
.toast span { color: #b4c0c3; font-size: 13px; }
.toast button { position: absolute; top: 8px; right: 10px; border: 0; background: transparent; color: var(--paper); font-size: 24px; cursor: pointer; }

.legal-header { padding-block: 28px; border-bottom: 1px solid var(--line); }
.legal-header .shell { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.legal-page { padding-block: clamp(72px, 9vw, 130px); }
.legal-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(420px, .7fr); gap: clamp(70px, 10vw, 160px); align-items: start; }
.legal-title { position: sticky; top: 40px; }
.legal-title h1 { font-size: clamp(50px, 6vw, 90px); }
.legal-date { color: var(--slate); font: 500 11px/1.4 "IBM Plex Mono", monospace; letter-spacing: .05em; text-transform: uppercase; }
.legal-copy { font-size: 17px; color: #3f525a; }
.legal-copy h2 { margin: 52px 0 14px; font-size: 28px; color: var(--ink); letter-spacing: -.035em; }
.legal-copy a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.legal-footer { padding-block: 26px; border-top: 1px solid var(--line); color: var(--slate); font-size: 12px; }
.legal-footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.error-page { min-height: 100svh; display: grid; place-items: center; padding: 28px; background: var(--mist); }
.error-page main { width: min(900px, 100%); }
.error-page img { width: 180px; margin-bottom: 90px; }
.error-page h1 { max-width: 800px; }
.error-page > main > p:not(.eyebrow) { max-width: 620px; margin-bottom: 34px; color: var(--slate); font-size: 20px; }

@media (max-width: 1120px) {
  :root { --shell: min(100% - 48px, 1100px); }
  .header-inner { grid-template-columns: 130px 1fr auto; gap: 20px; }
  .site-nav { gap: 20px; }
  .header-actions .button { display: none; }
  .hero-grid { grid-template-columns: 1fr .62fr; gap: 46px; }
  .hero-visual { min-height: 500px; }
  .service-row { grid-template-columns: 90px .75fr 1fr; }
  .service-tags { grid-column: 2 / -1; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: .8fr 1fr; gap: 60px; }
}

@media (max-width: 860px) {
  :root { --header-height: 70px; --shell: calc(100% - 36px); --section-space: 90px; }
  .site-header { background: rgba(247, 247, 242, .96); }
  .header-inner { display: flex; justify-content: space-between; }
  .brand-link { width: 112px; }
  .menu-toggle { display: flex; position: relative; z-index: 102; align-items: center; gap: 10px; border: 0; background: transparent; font-size: 12px; font-weight: 650; cursor: pointer; }
  .menu-toggle-lines { width: 24px; display: grid; gap: 6px; }
  .menu-toggle-lines i { height: 2px; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] .menu-toggle-lines i:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle-lines i:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; z-index: 101; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 18px; background: var(--paper); padding: 90px 28px 40px; transform: translateX(100%); transition: transform .28s ease; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { font-size: clamp(32px, 9vw, 54px); font-weight: 610; letter-spacing: -.05em; line-height: 1; }
  .header-actions { margin-left: auto; margin-right: 18px; position: relative; z-index: 102; }
  .hero { padding-top: calc(var(--header-height) + 58px); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; }
  .hero-principles { grid-template-columns: 1fr; }
  .hero-principles div { min-height: 100px; }
  .split-intro, .section-heading, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .split-intro { gap: 30px; }
  .section-heading { gap: 24px; }
  .section-heading .eyebrow { grid-column: auto; }
  .definition-grid { grid-template-columns: 1fr; }
  .definition-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .definition-grid article:last-child { border-bottom: 0; }
  .service-row { grid-template-columns: 70px 1fr; gap: 18px 22px; }
  .service-title { grid-column: 2; }
  .service-copy, .service-tags { grid-column: 2; }
  .section-end { align-items: flex-start; flex-direction: column; }
  .model-grid { grid-template-columns: 1fr; }
  .model-grid article { min-height: 250px; }
  .model-grid h3 { margin-top: 45px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-wide { grid-column: auto; }
  .project-card { min-height: 390px; }
  .about-copy { padding-top: 0; }
  .contact-copy { position: static; }
  .contact-form { margin-top: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; gap: 50px; }
  .legal-title { position: static; }
}

@media (max-width: 580px) {
  :root { --shell: calc(100% - 28px); --section-space: 72px; }
  h1 { font-size: clamp(50px, 16.5vw, 76px); }
  .word-stage { display: block; min-width: 0; }
  h2 { font-size: clamp(39px, 12vw, 58px); }
  .header-actions { margin-right: 10px; }
  .language-switch { font-size: 10px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 360px; }
  .nexus-field { background-size: 34px 34px; }
  .hero-symbol { width: 48%; }
  .hero-principles { margin-top: 58px; }
  .definition-grid { margin-top: 48px; }
  .service-row { grid-template-columns: 1fr; padding-block: 34px; }
  .service-title, .service-copy, .service-tags { grid-column: auto; }
  .service-index { padding: 0; }
  .process-grid, .value-grid { grid-template-columns: 1fr; }
  .process-grid article { min-height: 250px; }
  .project-card { min-height: 420px; padding: 26px; }
  .project-top { flex-direction: column; gap: 5px; }
  .project-card > p { font-size: 28px; }
  .value-formula { align-items: flex-start; flex-direction: column; gap: 8px; }
  .value-formula b { transform: rotate(90deg); }
  .about-principles { grid-template-columns: 1fr; }
  .about-principles span { min-height: 90px; border-right: 0; border-bottom: 1px solid var(--line); }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
  .contact-form { margin-inline: -14px; padding: 26px 18px; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .legal-header .text-link { font-size: 11px; }
  .error-page img { margin-bottom: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}