:root {
  --ink: #10202c;
  --ink-soft: #334653;
  --paper: #f3f1eb;
  --paper-deep: #e7e4dc;
  --white: #fff;
  --signal: #f05a28;
  --signal-dark: #ce4115;
  --line: rgba(16, 32, 44, 0.16);
  --line-light: rgba(255, 255, 255, 0.17);
  --max-width: 1180px;
  --radius: 3px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Aptos, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(16, 32, 44, 0.09) 0.65px, transparent 0.65px);
  background-size: 7px 7px;
  content: "";
  opacity: 0.2;
  pointer-events: none;
}

a { color: inherit; }

svg { display: block; }

.container { width: min(calc(100% - 48px), var(--max-width)); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--white);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.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;
}

.site-header {
  position: absolute;
  top: 0;
  z-index: 20;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  color: var(--white);
}

.header-inner { display: flex; min-height: 84px; align-items: center; justify-content: space-between; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.11em;
  line-height: 1;
  text-decoration: none;
}

.brand strong { color: var(--signal); font-weight: 750; }
.brand-mark { width: 35px; height: 35px; fill: currentColor; }

.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a { color: rgba(255, 255, 255, 0.73); font-size: 13px; font-weight: 650; text-decoration: none; transition: color 160ms ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.language-switch { display: inline-flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, 0.4); font-size: 11px; font-weight: 650; letter-spacing: .08em; }
.site-nav .language-switch a { color: rgba(255, 255, 255, 0.73); font-size: 11px; }
.language-switch [aria-current="page"] { color: var(--white); }
.site-nav .nav-contact { padding: 10px 17px; border: 1px solid rgba(255, 255, 255, 0.35); color: var(--white); }
.site-nav .nav-contact:hover { border-color: var(--signal); background: var(--signal); }

.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  padding: 178px 0 96px;
  background: var(--ink);
  color: var(--white);
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(255, 255, 255, 0.035) 50%, transparent calc(50% + 1px)),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 72px 72px, 72px 72px;
  content: "";
  mask-image: linear-gradient(to right, transparent, black 45%, black);
}

.hero::after {
  position: absolute;
  right: -12%;
  bottom: -70%;
  width: 700px;
  height: 700px;
  border: 1px solid rgba(240, 90, 40, 0.24);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 80px rgba(240, 90, 40, 0.035), 0 0 0 160px rgba(240, 90, 40, 0.025);
}

.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 76px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span { width: 26px; height: 2px; background: var(--signal); }
.hero .eyebrow, .eyebrow-light { color: rgba(255, 255, 255, 0.58); }

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

h1 {
  max-width: 690px;
  margin-bottom: 25px;
  font-size: clamp(2.8rem, 4.9vw, 4.65rem);
  font-weight: 690;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 19px;
  line-height: 1.65;
}

.hero-identity { max-width: 560px; margin-bottom: 24px; color: rgba(255,255,255,.78); font-size: 16px; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 30px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 54px;
  padding: 0 23px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--signal); color: var(--white); }
.button-primary:hover { background: var(--signal-dark); }

.text-link { color: rgba(255, 255, 255, 0.73); font-size: 14px; font-weight: 700; text-decoration: none; }
.text-link span { margin-left: 6px; color: var(--signal); }
.text-link:hover { color: var(--white); }

.system-visual { border: 1px solid rgba(255, 255, 255, 0.18); background: rgba(4, 15, 22, 0.5); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2); }
.visual-topline { display: flex; min-height: 48px; align-items: center; justify-content: space-between; padding: 0 17px; border-bottom: 1px solid rgba(255, 255, 255, 0.11); color: rgba(255, 255, 255, 0.62); font-family: Consolas, monospace; font-size: 10px; letter-spacing: 0.12em; }
.flow-legend { display: flex; align-items: center; gap: 6px; color: rgba(255, 255, 255, 0.68); letter-spacing: 0.08em; }
.flow-legend i, .flow-legend b { display: block; width: 14px; height: 1px; background: currentColor; }
.flow-legend b { margin-left: 5px; background: var(--signal); }
.visual-grid { position: relative; display: grid; height: 375px; padding: 24px 25px; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 32px 32px; place-items: center; }
.system-stack { display: grid; width: 100%; max-width: 410px; grid-template-rows: 62px 24px 62px 24px 62px 24px 62px; }
.node { position: relative; z-index: 2; display: grid; grid-template-columns: 35px minmax(0, 1fr); align-items: center; padding: 0 16px; border: 1px solid rgba(255, 255, 255, 0.24); background: #10202c; }
.node-index { color: var(--signal); font-family: Consolas, monospace; font-size: 9px; }
.node-copy, .node strong, .node small { display: block; min-width: 0; }
.node strong { font-family: Consolas, monospace; font-size: 11px; letter-spacing: 0.08em; }
.node small { margin-top: 4px; color: rgba(255, 255, 255, 0.64); font-size: 10px; }
.layer-connection { position: relative; z-index: 1; justify-self: center; width: 25px; }
.layer-connection::before { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: rgba(255, 255, 255, 0.12); content: ""; transform: translateX(-50%); }
.layer-connection i { position: absolute; top: -1px; bottom: -1px; width: 1px; }
.flow-up { left: 7px; background: rgba(255, 255, 255, 0.48); }
.flow-down { right: 7px; background: var(--signal); }
.flow-up::before, .flow-down::after { position: absolute; left: -3px; width: 7px; height: 7px; border-top: 1px solid currentColor; border-left: 1px solid currentColor; content: ""; }
.flow-up::before { top: 1px; color: rgba(255, 255, 255, 0.72); transform: rotate(45deg); }
.flow-down::after { bottom: 1px; color: var(--signal); transform: rotate(225deg); }
.visual-caption { padding: 16px 18px; margin: 0; border-top: 1px solid rgba(255, 255, 255, 0.11); color: rgba(255, 255, 255, 0.6); font-family: Consolas, monospace; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr); align-items: end; gap: 80px; margin-bottom: 64px; }
.section-heading.compact { grid-template-columns: minmax(0, 760px); }
.section-heading h2, .about h2, .contact h2 { max-width: 790px; margin: 0; font-size: clamp(2.15rem, 3.75vw, 3.75rem); font-weight: 650; letter-spacing: -0.052em; line-height: 1.04; }
.section-heading > p { margin: 0 0 3px; color: var(--ink-soft); font-size: 17px; line-height: 1.7; }

.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 335px; padding: 42px 42px 36px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.13); transition: background 180ms ease, transform 180ms ease; }
.service-card:hover { z-index: 1; background: rgba(255,255,255,.5); transform: translateY(-2px); }
.card-number { position: absolute; top: 23px; right: 27px; color: rgba(16, 32, 44, 0.33); font-family: Consolas, monospace; font-size: 10px; }
.card-icon { display: grid; width: 48px; height: 48px; margin-bottom: 29px; place-items: center; border: 1px solid var(--line); color: var(--signal); }
.card-icon svg { width: 27px; fill: none; stroke: currentColor; stroke-linecap: square; stroke-width: 1.3; }
.service-card h3 { margin-bottom: 12px; font-size: 23px; letter-spacing: -0.025em; }
.service-card p { max-width: 470px; margin-bottom: 0; color: var(--ink-soft); }

.capabilities { position: relative; overflow: hidden; background: var(--ink); color: var(--white); }
.capabilities::after { position: absolute; top: 0; right: 0; width: 44%; height: 100%; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 48px 48px; content: ""; }
.capabilities-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 100px; }
.capabilities h2 { margin-bottom: 30px; font-size: clamp(2.15rem, 3.55vw, 3.55rem); font-weight: 650; letter-spacing: -.05em; line-height: 1.04; }
.capabilities-copy > p:not(.eyebrow) { margin: 0; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.7; }
.skill-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.skill-list li { padding: 7px 11px; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.74); font-family: Consolas, monospace; font-size: 12px; }

.case-studies { background: var(--paper-deep); }
.case-study-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.case-study-card { display: flex; min-height: 345px; flex-direction: column; padding: 32px 35px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.2); }
.case-study-card-meta { display: flex; min-height: 24px; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 30px; color: rgba(16,32,44,.42); font-family: Consolas, monospace; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.case-study-card-application { flex: 1 1 180px; color: var(--ink-soft); line-height: 1.6; }
.case-study-card-meta strong { padding: 4px 7px; border: 1px solid rgba(240,90,40,.45); color: var(--signal-dark); font-size: 9px; font-weight: 650; }
.case-study-card h3 { max-width: 790px; margin-bottom: 14px; font-size: clamp(1.45rem, 2.2vw, 2rem); letter-spacing: -.025em; line-height: 1.2; }
.case-study-card h3 a { text-decoration: none; }
.case-study-card h3 a:hover { color: var(--signal-dark); }
.case-study-card > p { max-width: 790px; margin-bottom: 25px; color: var(--ink-soft); font-size: 16px; line-height: 1.7; }
.case-study-card > .case-study-card-attribution { padding-top: 16px; margin-top: auto; margin-bottom: 18px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.6; }
.case-study-card ul { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 0 0 34px; list-style: none; }
.case-study-card li { padding: 5px 9px; border: 1px solid var(--line); color: var(--ink-soft); font-family: Consolas, monospace; font-size: 10px; text-transform: uppercase; }
.case-study-card-link { display: inline-flex; align-items: center; gap: 12px; margin-top: auto; color: var(--ink); font-size: 14px; font-weight: 750; text-decoration: none; }
.case-study-card-link span { color: var(--signal); font-size: 18px; transition: transform 160ms ease; }
.case-study-card-link:hover span { transform: translateX(5px); }

.cooperation { background: var(--paper); }
.cooperation-heading { grid-template-columns: 1fr 1fr; align-items: start; margin-bottom: 0; }

.about { background: #17303e; color: var(--white); }
.about-grid { display: grid; grid-template-columns: .68fr 1.32fr; gap: 100px; }
.about-label { padding-right: 40px; border-right: 1px solid var(--line-light); }
.about-copy h2 { margin-bottom: 34px; }
.about-copy > p { max-width: 720px; color: rgba(255, 255, 255, 0.72); font-size: 17px; line-height: 1.7; }
.about-copy .about-lead { color: rgba(255, 255, 255, 0.88); font-size: 19px; line-height: 1.7; }
.about-note { display: flex; max-width: 610px; align-items: center; gap: 17px; padding-top: 28px; margin-top: 34px; border-top: 1px solid var(--line-light); color: rgba(255,255,255,.8); font-size: 14px; font-weight: 650; }
.about-note svg { width: 23px; flex: 0 0 auto; fill: none; stroke: var(--signal); stroke-width: 2; }

.contact { padding: 124px 0; background: var(--signal); color: var(--white); }
.contact .eyebrow span { background: var(--white); }
.contact h2 { max-width: 950px; margin-bottom: 25px; font-size: clamp(2.4rem, 4.4vw, 4.25rem); }
.contact-inner > p:not(.eyebrow) { max-width: 600px; margin-bottom: 47px; color: rgba(255,255,255,.88); font-size: 18px; line-height: 1.65; }
.contact-inner > p.contact-identity { margin-bottom: 12px; font-size: 15px; }
.contact-email { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.46); border-bottom: 1px solid rgba(255,255,255,.46); font-size: clamp(1.25rem, 3vw, 2.15rem); font-weight: 650; text-decoration: none; }
.contact-email svg { width: 34px; fill: none; stroke: currentColor; stroke-width: 1.5; transition: transform 180ms ease; }
.contact-email:hover svg { transform: translateX(8px); }

.case-study-hero { padding: 132px 0 68px; background: var(--ink); color: var(--white); }
.case-study-back { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 42px; color: rgba(255,255,255,.68); font-size: 13px; font-weight: 650; text-decoration: none; }
.case-study-back span { color: var(--signal); font-size: 18px; }
.case-study-back:hover { color: var(--white); }
.case-study-hero-grid { display: grid; grid-template-columns: minmax(0, 1.32fr) minmax(290px, .68fr); align-items: end; gap: 72px; }
.case-study-hero h1 { max-width: 790px; margin-bottom: 22px; font-size: clamp(2.2rem, 3.2vw, 3.15rem); letter-spacing: -.035em; line-height: 1.08; }
.case-study-summary { max-width: 750px; margin-bottom: 23px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.65; }
.case-study-attribution { margin: 0; color: rgba(255,255,255,.5); font-family: Consolas, monospace; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.case-study-notice { max-width: 720px; padding: 10px 14px; margin: 20px 0 0; border-left: 2px solid rgba(240,90,40,.75); background: rgba(255,255,255,.05); color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.55; }
.case-study-preview { display: inline-block; padding: 5px 8px; margin: 0 0 16px; border: 1px solid rgba(240,90,40,.65); color: #ff8a62; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.case-study-facts { margin: 0; border-top: 1px solid rgba(255,255,255,.18); }
.case-study-facts div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.case-study-facts dt { margin-bottom: 5px; color: rgba(255,255,255,.48); font-family: Consolas, monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.case-study-facts dd { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.5; }
.case-study-content { padding-top: 84px; padding-bottom: 90px; background: var(--paper); }
.case-study-media-list { display: grid; gap: 30px; margin-bottom: 66px; }
.case-study-figure { margin: 0; }
.case-study-media-disclosure { display: flex; align-items: center; gap: 10px; padding: 11px 13px; margin: 0; border: 1px solid rgba(240,90,40,.45); border-bottom: 0; background: rgba(240,90,40,.08); color: var(--ink); font-family: Consolas, monospace; font-size: 10px; font-weight: 650; letter-spacing: .06em; line-height: 1.5; text-transform: uppercase; }
.case-study-media-disclosure span { width: 8px; height: 8px; flex: 0 0 auto; background: var(--signal); }
.case-study-media-frame { overflow: hidden; }
.case-study-media-frame--reference { max-width: 760px; margin-inline: auto; }
.case-study-media-frame--reference + figcaption { max-width: 760px; margin-inline: auto; }
.case-study-figure img { display: block; width: 100%; height: auto; border: 1px solid rgba(16,32,44,.2); background: var(--ink); }
.case-study-figure figcaption { max-width: 900px; margin-top: 12px; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.case-study-source { display: block; margin-top: 6px; text-underline-offset: 3px; }
.case-study-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; align-items: start; gap: 72px; }
.case-study-sections { border-top: 1px solid var(--line); }
.case-study-section { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 28px; padding: 34px 0 40px; border-bottom: 1px solid var(--line); }
.case-study-section-label span { display: block; padding-top: 5px; color: var(--signal); font-family: Consolas, monospace; font-size: 10px; }
.case-study-section h2 { max-width: 730px; margin-bottom: 18px; font-size: clamp(1.2rem, 1.55vw, 1.5rem); letter-spacing: -.01em; line-height: 1.3; }
.case-study-section div > p { max-width: 760px; color: var(--ink-soft); font-size: 16px; line-height: 1.72; }
.case-study-section h2 + p { color: var(--ink); font-weight: 600; }
.case-study-section div > p:last-child { margin-bottom: 0; }
.case-study-section ul { max-width: 780px; padding: 3px 0 0; margin: 23px 0 0; border-top: 1px solid var(--line); list-style: none; }
.case-study-section .case-study-list-intro { margin: 24px 0 0; color: var(--ink); font-size: 14px; font-weight: 700; }
.case-study-section .case-study-list-intro + ul { margin-top: 8px; }
.case-study-section li { position: relative; padding: 11px 0 11px 23px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 15px; line-height: 1.6; }
.case-study-section li::before { position: absolute; top: 21px; left: 3px; width: 5px; height: 5px; background: var(--signal); content: ""; transform: rotate(45deg); }
.case-study-section li strong { color: var(--ink); font-weight: 700; }
.case-study-section li strong::after { color: var(--ink-soft); content: " — "; font-weight: 400; }
.case-study-section .case-study-section-note { margin-top: 24px; }
.case-study-aside { position: sticky; top: 32px; }
.case-study-aside > div { padding-top: 24px; border-top: 1px solid var(--line); }
.case-study-aside > div > p:first-child { color: var(--ink-soft); font-family: Consolas, monospace; font-size: 9px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.case-study-aside ul { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 0; list-style: none; }
.case-study-aside li { padding: 5px 8px; border: 1px solid var(--line); color: var(--ink-soft); font-family: Consolas, monospace; font-size: 9px; text-transform: uppercase; }
.case-study-contact h2 { max-width: 980px; }

.not-found {
  display: grid;
  min-height: calc(100vh - 108px);
  padding: 170px 0 105px;
  background: var(--ink);
  color: var(--white);
  place-items: center;
}
.not-found-inner { width: 100%; }
.not-found h1 { max-width: 760px; margin-bottom: 24px; }
.not-found-inner > p:not(.eyebrow) { max-width: 590px; margin-bottom: 34px; color: rgba(255,255,255,.76); font-size: 18px; line-height: 1.65; }

.site-footer { padding: 35px 0; background: #0a171f; color: rgba(255,255,255,.68); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 20px; }
.brand-footer { color: var(--white); }
.footer-inner p { margin: 0; font-size: 12px; letter-spacing: .04em; }
.footer-brand p { margin-top: 12px; line-height: 1.6; color: rgba(255,255,255,.7); }
.footer-identity { text-align: center; }
.footer-identity p + p { margin-top: 3px; color: rgba(255,255,255,.58); }
.footer-inner > p:last-child { text-align: right; }

:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

@media (max-width: 980px) {
  .header-inner { min-height: 72px; }
  .menu-toggle { position: relative; z-index: 2; display: grid; width: 42px; height: 42px; padding: 0; place-content: center; gap: 7px; border: 1px solid rgba(255,255,255,.25); background: transparent; color: var(--white); }
  .menu-toggle span:not(.sr-only) { display: block; width: 19px; height: 1px; background: currentColor; transition: transform 160ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; top: 71px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 10px 18px 22px; border-bottom: 1px solid rgba(255,255,255,.15); background: var(--ink); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 0; font-size: 14px; }
  .site-nav .language-switch { padding: 13px 0; }
  .site-nav .language-switch a { padding: 0; font-size: 12px; }
  .site-nav .nav-contact { padding: 13px; margin-top: 7px; text-align: center; }
  .site-nav { gap: 18px; }
  .site-nav a { font-size: 12px; }
  .hero { padding-top: 150px; }
  .hero-grid { grid-template-columns: 1fr; gap: 65px; }
  .system-visual { width: min(100%, 620px); }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .capabilities-grid { grid-template-columns: 1fr; gap: 65px; }
  .capabilities::after { width: 100%; }
  .case-study-hero-grid { grid-template-columns: 1fr; align-items: start; gap: 42px; }
  .case-study-facts { max-width: 650px; }
  .case-study-layout { grid-template-columns: 1fr; gap: 52px; }
  .case-study-aside { position: static; }
  .about-grid { grid-template-columns: .48fr 1.52fr; gap: 55px; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 36px), var(--max-width)); }
  .site-header { position: absolute; }
  .hero { min-height: auto; padding: 133px 0 77px; }
  .hero::after { display: none; }
  h1 { font-size: clamp(2.65rem, 11vw, 3.7rem); }
  .hero-lead { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .button { width: 100%; }
  .system-visual { width: 100%; }
  .visual-grid { height: 335px; }
  .system-stack { grid-template-rows: 57px 19px 57px 19px 57px 19px 57px; }
  .node { grid-template-columns: 31px minmax(0, 1fr); padding: 0 12px; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 42px; }
  .cooperation-heading { margin-bottom: 0; }
  .section-heading h2, .about h2 { font-size: clamp(2.05rem, 9vw, 2.9rem); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 34px 28px; }
  .case-study-grid { grid-template-columns: 1fr; }
  .case-study-card { min-height: auto; padding: 32px 27px; }
  .case-study-card-meta { margin-bottom: 27px; }
  .case-study-hero { padding: 115px 0 58px; }
  .case-study-back { margin-bottom: 35px; }
  .case-study-hero h1 { font-size: clamp(2rem, 8vw, 2.5rem); }
  .case-study-summary { font-size: 17px; }
  .case-study-content { padding-top: 64px; padding-bottom: 70px; }
  .case-study-media-list { margin-bottom: 50px; }
  .case-study-media-frame--diagram { overflow-x: auto; }
  .case-study-media-frame--diagram img { min-width: 760px; }
  .case-study-media-frame--reference { max-width: none; overflow-x: auto; }
  .case-study-media-frame--reference img { width: 700px; max-width: none; }
  .case-study-media-frame--reference + figcaption { max-width: none; margin-inline: 0; }
  .case-study-section { grid-template-columns: 1fr; gap: 18px; padding: 31px 0 36px; }
  .case-study-section-label { display: flex; align-items: center; gap: 12px; }
  .case-study-section-label span { margin: 0; }
  .case-study-aside { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-label { padding-right: 0; padding-bottom: 35px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .contact { padding: 84px 0; }
  .contact h2 { font-size: clamp(2.2rem, 9.5vw, 3.2rem); }
  .contact-email { font-size: 1.15rem; }
  .contact-email svg { width: 26px; }
  .not-found { min-height: calc(100vh - 228px); padding: 140px 0 82px; }
  .not-found-inner > p:not(.eyebrow) { font-size: 17px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-identity, .footer-inner > p:last-child { text-align: left; }
}

@media (max-width: 380px) {
  .visual-topline { padding: 0 12px; font-size: 9px; }
  .flow-legend { gap: 4px; }
  .flow-legend i, .flow-legend b { width: 10px; }
  .flow-legend b { margin-left: 2px; }
  .visual-grid { padding-right: 18px; padding-left: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}