:root {
  --red: #c81e1e;
  --red-dark: #a51414;
  --yellow: #f5b400;
  --ink: #23262d;
  --ink-2: #30343d;
  --gray: #5f646e;
  --line: #d9dce1;
  --light: #f4f5f7;
  --white: #ffffff;
  --blue: #2d69be;
  --green: #288c5a;
  --font-body: "Noto Sans JP", "Yu Gothic", sans-serif;
  --font-display: "Barlow Condensed", "Noto Sans JP", sans-serif;
  --content: 1180px;
  --wide: 1440px;
  --header-height: 72px;
  --section-space: clamp(5.5rem, 9vw, 9rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  color: var(--ink);
  background: var(--yellow);
  font-weight: 700;
  transform: translateY(-160%);
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  padding: 0 clamp(1.2rem, 3vw, 3rem);
  color: var(--white);
  border-bottom: 1px solid rgb(255 255 255 / 14%);
  background: rgb(35 38 45 / 88%);
  backdrop-filter: blur(14px);
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgb(35 38 45 / 97%);
  box-shadow: 0 8px 25px rgb(0 0 0 / 14%);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  position: relative;
  display: block;
  width: 30px;
  height: 30px;
}

.brand-mark i:first-child {
  position: absolute;
  inset: 0 5px 5px 0;
  border-radius: 50%;
  background: #ff0100;
}

.brand-mark i:last-child {
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffff00;
}

.brand-name {
  font-size: 1rem;
  line-height: 1;
}

.site-header .brand-name {
  font-size: 1.2rem;
}

.site-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 clamp(0.55rem, 1vw, 1rem);
  color: rgb(255 255 255 / 72%);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 160ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 1rem;
  bottom: -1px;
  left: 1rem;
  height: 3px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--white);
}

.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-contact {
  display: inline-flex;
  height: 38px;
  align-items: center;
  margin-left: 1.5rem;
  padding: 0 1rem;
  border: 1px solid rgb(255 255 255 / 35%);
  font-size: 0.78rem;
  font-weight: 700;
  transition: color 160ms ease, background-color 160ms ease;
}

.header-contact:hover {
  color: var(--ink);
  background: var(--white);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  color: var(--white);
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  min-height: min(860px, calc(100svh - 48px));
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: var(--header-height);
  bottom: 0;
  left: 50%;
  width: 1px;
  content: "";
  background: rgb(255 255 255 / 7%);
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 27%;
  right: 0;
  width: 46%;
  height: 1px;
  content: "";
  background: rgb(255 255 255 / 9%);
}

.hero-bands {
  position: absolute;
  z-index: 4;
  right: 0;
  bottom: 0;
  left: 0;
}

.hero-bands span {
  display: block;
  height: 6px;
  background: var(--red);
}

.hero-bands span:last-child {
  height: 3px;
  background: var(--yellow);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(var(--content), calc(100% - 3rem));
  min-height: inherit;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  padding: calc(var(--header-height) + 3.8rem) 44% 4.8rem 0;
}

.hero-product {
  position: absolute;
  z-index: 1;
  right: max(0px, calc((100vw - var(--content)) / 2 - 2rem));
  bottom: 0;
  width: min(47vw, 620px);
  max-height: 88%;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 35px 40px rgb(0 0 0 / 48%));
  animation: hero-product-in 900ms cubic-bezier(0.2, 0.75, 0.3, 1) both;
}

.hero-company,
.eyebrow,
.mini-label,
.step-number {
  margin: 0 0 1.25rem;
  color: var(--red);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.hero-company {
  color: var(--yellow);
  animation: hero-text-in 620ms 80ms ease both;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 7.4rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.75;
  white-space: nowrap;
  animation: hero-text-in 620ms 140ms ease both;
}

.hero-kicker {
  margin: 2rem 0 0;
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.55;
  animation: hero-text-in 620ms 210ms ease both;
}

.hero-lead {
  margin: 2.1rem 0 0;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1.45;
  animation: hero-text-in 620ms 260ms ease both;
}

.hero-copy {
  max-width: 580px;
  margin: 0.65rem 0 0;
  color: rgb(255 255 255 / 72%);
  font-size: 0.96rem;
  line-height: 1.9;
  animation: hero-text-in 620ms 300ms ease both;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2rem;
  animation: hero-text-in 620ms 360ms ease both;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 1.25rem;
  border: 1px solid transparent;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--red);
}

.button-primary:hover {
  background: var(--red-dark);
}

.button-ghost {
  color: var(--white);
  border-color: rgb(255 255 255 / 32%);
  background: transparent;
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgb(255 255 255 / 8%);
}

.hero-facts {
  display: flex;
  gap: clamp(1rem, 3vw, 2.4rem);
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
  animation: hero-text-in 620ms 420ms ease both;
}

.hero-facts li {
  display: flex;
  flex-direction: column;
  padding-left: 12px;
  border-left: 2px solid var(--red);
}

.hero-facts strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.hero-facts span {
  margin-top: 4px;
  color: rgb(255 255 255 / 52%);
  font-size: 0.78rem;
}

@keyframes hero-product-in {
  from { opacity: 0; transform: translate(6%, 5%) scale(0.96); }
  to { opacity: 1; transform: translate(0, 0) scale(1); }
}

@keyframes hero-text-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.section {
  padding: var(--section-space) 0;
}

.section-inner {
  width: min(var(--content), calc(100% - 3rem));
  margin: 0 auto;
}

.section-inner.wide {
  width: min(var(--wide), calc(100% - 3rem));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.62fr);
  gap: 4rem;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5.2rem);
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -2.2rem;
}

.section-heading h2,
.gui-heading h2,
.contact-inner h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.98;
}

.section-heading h2 span {
  color: var(--red);
}

.section-heading h2.system-heading {
  font-size: 4.8rem;
}

.system-heading-line {
  display: block;
  white-space: nowrap;
}

.section-heading h2 .system-heading-line-main {
  color: inherit;
}

.section-heading h2.steps-heading {
  font-size: 4.6rem;
}

.steps-heading > span {
  display: block;
  white-space: nowrap;
}

.section-heading h2 .steps-heading-line {
  color: inherit;
}

.section-heading h2.proof-heading {
  font-size: 4.6rem;
}

.proof-heading > span {
  display: block;
  white-space: nowrap;
}

.section-heading h2 .proof-heading-line {
  color: inherit;
}

.section-heading > p:last-child,
.gui-heading > p,
.contact-inner > p {
  margin: 0;
  color: var(--gray);
  font-size: 0.97rem;
}

.section-heading.compact {
  display: block;
  max-width: 720px;
}

.section-heading.compact .eyebrow {
  margin-bottom: 1.25rem;
}

.section-heading.light h2,
.section-heading.light > p:last-child {
  color: var(--white);
}

.section-heading.light .eyebrow {
  color: var(--yellow);
}

p.eyebrow {
  font-size: 1.05rem;
}

.concept-break,
.concept-break-small {
  display: none;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.2, 0.65, 0.3, 1);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: clamp(5rem, 9vw, 8rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.value-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  padding: clamp(1.7rem, 3vw, 2.6rem);
  background: var(--white);
}

.value-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  content: "";
  background: var(--red);
}

.value-embedded::before { background: var(--blue); }
.value-economical::before { background: var(--green); }

.value-letter {
  position: absolute;
  top: -0.38em;
  right: 0.04em;
  margin: 0;
  color: rgb(35 38 45 / 4%);
  font-family: var(--font-display);
  font-size: 12rem;
  font-weight: 700;
  line-height: 1;
}

.value-card h3 {
  position: relative;
  margin: 3rem 0 1.5rem;
  font-family: var(--font-display);
  font-size: 2.7rem;
  line-height: 1;
}

.value-card h3 small {
  display: block;
  margin-top: 0.65rem;
  color: var(--gray);
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
}

.value-card > p:last-child {
  position: relative;
  margin: 0;
  color: var(--gray);
  font-size: 0.9rem;
}

.positioning {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.positioning-copy h3,
.subheading-row h3,
.architecture-title h3,
.proof-copy h3 {
  margin: 0 0 1.4rem;
  font-size: 2.4rem;
  line-height: 1.45;
}

.positioning-copy > p:last-child,
.subheading-row > p,
.proof-copy > p:last-child {
  margin: 0;
  color: var(--gray);
  font-size: 0.92rem;
}

.position-map {
  position: relative;
  min-height: 430px;
  border-bottom: 2px solid var(--gray);
  border-left: 2px solid var(--gray);
  background-color: var(--light);
  background-image: linear-gradient(#e7e9ed 1px, transparent 1px), linear-gradient(90deg, #e7e9ed 1px, transparent 1px);
  background-size: 25% 25%;
}

.axis {
  position: absolute;
  z-index: 2;
  color: var(--gray);
  font-size: 0.7rem;
  font-weight: 600;
}

.axis-y {
  top: -2rem;
  left: -2px;
}

.axis-x {
  right: 0;
  bottom: -2.1rem;
}

.map-item {
  position: absolute;
  display: flex;
  width: 34%;
  min-width: 145px;
  min-height: 68px;
  flex-direction: column;
  justify-content: center;
  padding: 12px 15px;
  border: 1px solid #c9cdd3;
  background: rgb(255 255 255 / 94%);
  box-shadow: 0 8px 22px rgb(35 38 45 / 7%);
}

.map-item strong { font-size: 0.9rem; }
.map-item span { color: var(--gray); font-size: 0.68rem; }
.map-rl { top: 8%; left: 6%; }
.map-mpc { top: 43%; left: 14%; }
.map-pid { right: 5%; bottom: 7%; }

.map-smart {
  top: 12%;
  right: 5%;
  width: 39%;
  min-height: 92px;
  color: var(--red);
  border: 2px solid var(--red);
  background: #fff7f7;
}

.map-smart strong {
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.challenges-section {
  background: var(--light);
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.challenge-card {
  min-height: 320px;
  padding: clamp(1.5rem, 3vw, 2.3rem);
  border-top: 4px solid var(--gray);
  background: var(--white);
}

.challenge-number {
  color: #c8cbd0;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
}

.challenge-card h3 {
  margin: 1.2rem 0;
  font-size: 1.4rem;
}

.challenge-card ul {
  margin: 0;
  padding: 0;
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.7;
  list-style: none;
}

.challenge-card li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1rem;
  border-bottom: 1px solid #eceef1;
}

.challenge-card li::before {
  position: absolute;
  top: 1.3rem;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--red);
}

.answer-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.2rem 0 clamp(5rem, 9vw, 8rem);
  padding: 1.6rem 2rem;
  color: var(--white);
  background: var(--red);
}

.answer-mark {
  grid-row: 1 / 3;
  margin: 0;
  color: rgb(255 255 255 / 22%);
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
}

.answer-strip > p {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.8;
}

.answer-strip small {
  display: block;
  padding-top: 0.85rem;
  color: rgb(255 255 255 / 65%);
  border-top: 1px solid rgb(255 255 255 / 22%);
  font-size: 0.66rem;
}

.subheading-row {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 0.7fr);
  gap: 4rem;
  align-items: end;
  margin-bottom: 2rem;
}

.subheading-row h3 {
  margin-bottom: 0;
}

.table-scroll {
  overflow-x: auto;
  border-top: 2px solid var(--ink);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  white-space: nowrap;
}

th,
td {
  padding: 1.2rem 1.1rem;
  border-bottom: 1px solid #d8dbe0;
  text-align: center;
}

thead th {
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 700;
}

tbody th,
thead th:first-child {
  text-align: left;
}

.smart-col {
  background: #fff0f0;
}

thead .smart-col {
  color: var(--red);
}

.yes { color: var(--green); font-weight: 700; }
.no { color: var(--red); font-weight: 700; }
.maybe { color: #9a7000; font-weight: 700; }

.technology-section,
.safety-section {
  color: var(--white);
  background: var(--ink);
}

.architecture {
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 1px solid rgb(255 255 255 / 13%);
  background: var(--ink-2);
}

.architecture-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid rgb(255 255 255 / 12%);
}

.architecture-title span {
  color: var(--yellow);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.architecture-title h3 {
  margin: 0;
  font-size: 2.2rem;
}

.architecture-flow {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(120px, 0.35fr) minmax(150px, 0.45fr);
  gap: 1.5rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 0 2rem;
}

.controller-block {
  padding: 1.4rem;
  border: 2px solid var(--red);
  background: rgb(200 30 30 / 5%);
}

.block-label {
  margin: 0 0 1rem;
  color: var(--red);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.controller-parts {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.tech-node,
.plant-node {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border: 1px solid rgb(255 255 255 / 15%);
  background: var(--ink);
  text-align: center;
}

.tech-node img {
  width: 96px;
  height: 82px;
  margin-bottom: 0.7rem;
  object-fit: contain;
}

.tech-node strong,
.plant-node strong { font-size: 0.9rem; }
.tech-node span,
.plant-node span { color: rgb(255 255 255 / 48%); font-size: 0.68rem; }
.flow-arrow { color: var(--red); font-size: 2rem; }

.loop-arrows {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  color: rgb(255 255 255 / 70%);
  font-size: 0.66rem;
  text-align: center;
}

.loop-arrows span:last-child { color: var(--blue); }

.plant-node img {
  width: 115px;
  height: 105px;
  object-fit: contain;
}

.diagram-caption {
  margin: 0;
  color: rgb(255 255 255 / 45%);
  font-size: 0.7rem;
  text-align: center;
}

.technology-points {
  margin-top: clamp(4rem, 8vw, 7rem);
}

.tech-point {
  display: block;
  padding: 2.4rem 0;
  border-top: 1px solid rgb(255 255 255 / 14%);
}

.point-index {
  width: min(100%, 860px);
  margin: 0 auto 1.2rem;
  color: var(--red);
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.tech-point > div {
  width: 100%;
  min-width: 0;
}

.tech-point h3 {
  max-width: 860px;
  margin: 0 auto 0.8rem;
  font-size: 1.35rem;
}

.tech-point p:not(.point-index) {
  max-width: 860px;
  margin: 0 auto;
  color: rgb(255 255 255 / 62%);
  font-size: 0.9rem;
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  padding-bottom: 2px;
  color: var(--yellow);
  border-bottom: 1px solid currentColor;
  font-size: 0.78rem;
  font-weight: 700;
}

.demo-video {
  width: min(100%, 860px);
  margin: 1.6rem auto 0;
}

.demo-video iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.demo-video figcaption {
  margin-top: 0.7rem;
  color: rgb(255 255 255 / 45%);
  font-size: 0.7rem;
  text-align: center;
}

.prediction-line {
  display: grid;
  grid-template-columns: 1fr auto 1.4fr;
  align-items: center;
  max-width: 720px;
  margin-top: 1.5rem;
  color: var(--white);
  font-size: 0.68rem;
  text-align: center;
}

.prediction-line span {
  display: flex;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-top: 2px solid var(--blue);
  background: rgb(45 105 190 / 15%);
}

.prediction-line span:last-child {
  border-color: var(--red);
  background: rgb(200 30 30 / 14%);
}

.prediction-line b { margin-left: 0.5rem; font-family: var(--font-display); }
.prediction-line i { padding: 0 0.8rem; color: var(--yellow); font-style: normal; }

.system-flow {
  display: grid;
  grid-template-columns: 1fr 0.38fr 1fr 0.38fr 1fr 0.38fr 1fr;
  align-items: center;
  margin-bottom: 4rem;
}

.system-node {
  display: flex;
  min-height: 145px;
  flex-direction: column;
  justify-content: center;
  padding: 1.3rem;
  border: 1px solid var(--line);
  background: var(--white);
  text-align: center;
}

.system-node span {
  margin-bottom: 0.7rem;
  color: var(--gray);
  font-family: var(--font-display);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.system-node strong { font-size: 0.9rem; line-height: 1.6; }

.system-product {
  color: var(--white);
  border-color: var(--red);
  background: var(--red);
}

.system-product span { color: rgb(255 255 255 / 65%); }

.system-connection {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--gray);
  text-align: center;
}

.system-connection b {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1;
}

.system-connection small {
  margin-top: 0.5rem;
  font-size: 0.55rem;
  line-height: 1.3;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: clamp(5rem, 9vw, 8rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.signal-grid article {
  padding: 2rem;
  background: var(--light);
}

.signal-grid b {
  color: var(--red);
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
}

.signal-grid h3 {
  margin: 0.7rem 0 0.8rem;
  color: var(--gray);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.signal-grid p {
  margin: 0;
  font-size: 0.78rem;
}

.spec-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.spec-columns > div {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--white);
}

.spec-columns h4 {
  margin: 0 0 1.5rem;
  padding-bottom: 0.8rem;
  color: var(--red);
  border-bottom: 2px solid var(--red);
  font-size: 1rem;
}

.spec-columns dl { margin: 0; }

.spec-columns dl div {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid #e8eaed;
  font-size: 0.76rem;
}

.spec-columns dt { color: var(--gray); }
.spec-columns dd { margin: 0; font-weight: 600; }

.gui-section {
  color: var(--white);
  background: #111217;
}

.gui-heading {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 0.55fr);
  gap: 4rem;
  align-items: end;
  margin-bottom: 3rem;
}

.gui-heading .eyebrow { color: var(--yellow); }
.gui-heading > p { color: rgb(255 255 255 / 55%); }

.gui-gallery {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 1px;
  background: #30323a;
  border: 1px solid #30323a;
}

.gallery-tabs {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 4px;
  background: #111319;
}

.gallery-tabs button {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.5rem;
  align-items: center;
  min-height: 53px;
  padding: 0 1rem;
  color: rgb(255 255 255 / 82%);
  border: 1px solid #3b3f49;
  background: #24272f;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%);
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.gallery-tabs button span {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  color: rgb(255 255 255 / 27%);
  border: 1px solid rgb(255 255 255 / 20%);
  background: rgb(255 255 255 / 5%);
  font-family: var(--font-display);
  font-size: 0.83rem;
}

.gallery-tabs button:hover {
  color: var(--white);
  border-color: rgb(255 255 255 / 58%);
  background: #343842;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 9%), 0 3px 9px rgb(0 0 0 / 24%);
}

.gallery-tabs button[aria-selected="true"] {
  color: var(--white);
  border-color: #e64a4a;
  background: var(--red);
  box-shadow: inset 4px 0 0 var(--yellow), 0 3px 10px rgb(0 0 0 / 30%);
}

.gallery-tabs button[aria-selected="true"] span {
  color: var(--white);
  border-color: rgb(255 255 255 / 52%);
  background: rgb(0 0 0 / 12%);
}

.gallery-stage {
  min-width: 0;
  background: #0f1015;
}

.browser-chrome {
  display: flex;
  height: 38px;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  color: rgb(255 255 255 / 30%);
  background: #25272e;
  font-size: 0.62rem;
}

.browser-chrome i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5b5e68;
}

.browser-chrome i:first-child { background: var(--red); }
.browser-chrome i:nth-child(2) { background: var(--yellow); }
.browser-chrome i:nth-child(3) { background: var(--green); }
.browser-chrome span { margin-left: 10px; }

.screenshot-open {
  display: block;
  width: 100%;
  aspect-ratio: 1.86 / 1;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: #0f1015;
  cursor: zoom-in;
}

.screenshot-open img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 120ms ease;
}

.screenshot-open img.is-changing { opacity: 0; }

.gallery-caption {
  display: flex;
  min-height: 66px;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.1rem 1.4rem;
  border-top: 1px solid #2c2e36;
}

.gallery-caption strong { font-size: 0.86rem; }
.gallery-caption span { color: rgb(255 255 255 / 45%); font-size: 0.7rem; }

.image-dialog {
  width: min(95vw, 1680px);
  max-width: none;
  padding: 44px 12px 12px;
  color: var(--white);
  border: 1px solid #444750;
  background: #111217;
}

.image-dialog::backdrop { background: rgb(0 0 0 / 82%); }

.image-dialog img {
  width: 100%;
  max-height: calc(92vh - 60px);
  object-fit: contain;
}

.dialog-close {
  position: absolute;
  top: 5px;
  right: 9px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  padding: 0;
  color: var(--white);
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.step-index {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0 0 clamp(5rem, 9vw, 8rem);
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.step-index li:not(:last-child) { border-right: 1px solid var(--line); }

.step-index a {
  display: flex;
  min-height: 124px;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.3rem;
  transition: color 160ms ease, background-color 160ms ease;
}

.step-index a:hover { color: var(--white); background: var(--red); }

.step-index b {
  color: var(--red);
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
}

.step-index a:hover b { color: var(--yellow); }
.step-index span { margin-top: 0.7rem; font-size: 0.72rem; font-weight: 600; }

.step-list {
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 9vw, 8rem);
}

.step-row {
  display: grid;
  grid-template-columns: minmax(290px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.step-row.reverse .step-copy { order: 2; }
.step-row.reverse figure { order: 1; }

.step-copy h3 {
  margin: 0 0 1.5rem;
  font-size: 2.2rem;
  line-height: 1.4;
}

.step-copy > p:not(.step-number, .formula, .step-result) {
  margin: 0;
  color: var(--gray);
  font-size: 0.88rem;
}

.step-result {
  margin: 1.4rem 0 0;
  padding-left: 1rem;
  color: var(--red);
  border-left: 3px solid var(--red);
  font-size: 0.78rem;
  font-weight: 700;
}

.step-row figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--light);
  box-shadow: 0 22px 45px rgb(35 38 45 / 10%);
}

.step-row figure img {
  width: 100%;
  aspect-ratio: 1.86 / 1;
  object-fit: cover;
  object-position: top left;
}

.step-row figcaption {
  padding: 0.65rem 0.35rem 0.2rem;
  color: var(--gray);
  font-size: 0.65rem;
}

.formula {
  margin: 1.6rem 0 0;
  font-family: Georgia, serif;
  font-size: 1.25rem;
}

.formula span { color: var(--red); font-weight: 700; }
.formula sub { font-size: 0.6em; }

.parameter-list {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.parameter-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.72rem;
}

.parameter-list dt { color: var(--gray); }
.parameter-list dd { margin: 0; font-weight: 700; }

.cost-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 1.5rem 0 0;
  padding: 1px;
  background: var(--line);
  list-style: none;
}

.cost-list li {
  display: flex;
  flex-direction: column;
  padding: 0.8rem;
  background: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
}

.cost-list span { color: var(--red); font-size: 0.62rem; }

.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid rgb(255 255 255 / 13%);
  background: rgb(255 255 255 / 13%);
}

.safety-item {
  position: relative;
  min-height: 245px;
  padding: clamp(1.6rem, 4vw, 3rem);
  background: var(--ink-2);
}

.safety-item > span {
  position: absolute;
  top: 1.4rem;
  right: 1.7rem;
  color: rgb(255 255 255 / 12%);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.safety-item h3 {
  margin: 2rem 0 1rem;
  font-size: 1.15rem;
}

.safety-item h3::before {
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 1rem;
  content: "";
  background: var(--blue);
}

.safety-item p {
  margin: 0;
  color: rgb(255 255 255 / 58%);
  font-size: 0.82rem;
}

.status-gallery {
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.4fr;
  gap: 1rem;
  margin-top: 1rem;
}

.status-gallery figure {
  display: flex;
  min-width: 0;
  min-height: 120px;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 1rem;
  background: #181a20;
}

.status-gallery img { max-height: 72px; object-fit: contain; }
.status-gallery figcaption { margin-left: 1rem; color: rgb(255 255 255 / 45%); font-size: 0.65rem; }

.proof-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  margin-bottom: 5rem;
}

.mimo-diagram {
  position: relative;
  min-height: 390px;
  padding: 2.5rem;
  background: var(--light);
  border: 1px solid var(--line);
}

.mimo-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.mimo-row span {
  display: grid;
  min-height: 55px;
  place-items: center;
  padding: 0.5rem;
  border: 1px solid var(--red);
  background: #fff2f2;
  font-size: 0.72rem;
  font-weight: 700;
}

.mimo-row.sensors {
  position: absolute;
  right: 2.5rem;
  bottom: 2.5rem;
  left: 2.5rem;
}

.mimo-row.sensors span {
  color: var(--blue);
  border-color: var(--blue);
  background: #f0f6ff;
}

.mimo-lines {
  position: absolute;
  z-index: 1;
  top: 94px;
  right: 4rem;
  bottom: 94px;
  left: 4rem;
}

.mimo-lines i {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--gray);
}

.mimo-lines i:first-child { left: 10%; }
.mimo-lines i:nth-child(2) { left: 50%; }
.mimo-lines i:nth-child(3) { right: 10%; }
.mimo-lines i:nth-child(4) { left: 26%; transform: rotate(-28deg); }
.mimo-lines i:nth-child(5) { right: 26%; transform: rotate(28deg); }

.mimo-diagram > strong {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 190px;
  padding: 0.8rem;
  color: var(--white);
  background: var(--red);
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.25;
  text-align: center;
  transform: translate(-50%, -50%);
}

.mimo-diagram > strong small { font-family: var(--font-body); font-size: 0.6rem; font-weight: 500; }

.applications {
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}

.applications > p {
  margin: 0 0 1.5rem;
  color: var(--gray);
  font-size: 0.88rem;
}

.applications ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  list-style: none;
}

.applications li {
  display: flex;
  min-height: 105px;
  flex-direction: column;
  justify-content: center;
  padding: 1rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.applications li:not(:last-child) { border-right: 1px solid var(--line); }
.applications li span { color: var(--red); font-family: var(--font-display); font-size: 1.2rem; }

.contact-section {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 11vw, 10rem) 0;
  color: var(--white);
  background: var(--ink);
}

.contact-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  border-left: 1px solid rgb(255 255 255 / 7%);
}

.contact-logo-mark {
  position: absolute;
  top: 15%;
  right: 12%;
  display: block;
  width: min(27.7vw, 354px);
  aspect-ratio: 104 / 111;
}

.contact-logo-mark i:first-child {
  position: absolute;
  top: 0;
  left: 0;
  width: 90.38%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #ff0100;
}

.contact-logo-mark i:last-child {
  position: absolute;
  top: 60.36%;
  left: 58.65%;
  width: 41.35%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #ffff00;
}

.contact-inner {
  position: relative;
  z-index: 2;
  padding-right: 42%;
}

.contact-inner .eyebrow { color: var(--yellow); }
.contact-inner h2 { margin-bottom: 2rem; }
.contact-inner h2.contact-heading { font-size: 4.5rem; }
.contact-heading > span { display: block; white-space: nowrap; }
.contact-inner > p { color: rgb(255 255 255 / 60%); }

.closing-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem 2rem;
  margin: 3rem 0 0;
  padding: 2rem 0 0;
  border-top: 1px solid rgb(255 255 255 / 15%);
  list-style: none;
}

.closing-values li {
  position: relative;
  padding-left: 1rem;
  color: rgb(255 255 255 / 58%);
  font-size: 0.68rem;
}

.closing-values li::before {
  position: absolute;
  top: 0.65rem;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--red);
}

.site-footer {
  display: flex;
  min-height: 110px;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem clamp(1.5rem, 4vw, 4rem);
  color: var(--white);
  border-top: 1px solid #3d4048;
  background: #181a20;
  font-size: 0.68rem;
}

.footer-brand { margin-right: auto; }
.site-footer p { color: rgb(255 255 255 / 38%); }
.site-footer > a:last-child { color: rgb(255 255 255 / 65%); }

.tex-diagram {
  min-width: 0;
  margin: 0;
  padding: clamp(1rem, 2.5vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 16px 38px rgb(35 38 45 / 8%);
  text-align: center;
}

.tex-diagram img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.tex-diagram figcaption,
.step-tex-figure figcaption {
  padding: 1rem 0.25rem 0;
  color: var(--gray);
  font-size: 0.65rem;
  line-height: 1.6;
  text-align: center;
}

.tex-diagram-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--red) #e5e7eb;
  scrollbar-width: thin;
}

.tex-diagram-scroll img {
  min-width: 720px;
}

.architecture .tex-diagram {
  margin-top: 2rem;
}

.architecture-diagram img {
  max-height: 420px;
}

.architecture-diagram .architecture-diagram-mobile {
  display: none;
}

.prediction-diagram {
  max-width: 860px;
  margin: 1.6rem auto 0;
}

.prediction-diagram img {
  max-height: 430px;
}

.system-diagram {
  margin-bottom: 4rem;
}

.system-diagram .system-diagram-mobile {
  display: none;
}

.steps-diagram {
  margin-bottom: clamp(5rem, 9vw, 8rem);
}

.steps-diagram .steps-diagram-mobile {
  display: none;
}

.step-row figure.step-tex-figure {
  padding: clamp(0.8rem, 2vw, 1.5rem);
  overflow: hidden;
  background: var(--white);
}

.step-row figure.step-tex-figure img {
  width: 100%;
  height: auto;
  max-height: 380px;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
}

.step-row figure.step-tex-figure.tex-diagram-scroll {
  overflow-x: auto;
}

.step-row figure.step-tex-figure.tex-diagram-scroll img {
  width: auto;
  min-width: 620px;
  max-width: none;
}

.cost-adjustment-diagram .cost-adjustment-diagram-mobile {
  display: none;
}

.formula mjx-container[display="true"] {
  margin: 1rem 0 0 !important;
  color: var(--red);
  text-align: left !important;
}

.formula mjx-container svg {
  max-width: 100%;
}

.mimo-tex-diagram img {
  min-width: 520px;
}

.applications .tex-diagram {
  margin-top: 1.5rem;
}

.application-diagram img {
  min-width: 760px;
}

@media (max-width: 1080px) {
  .site-nav a { padding-inline: 0.55rem; font-size: 0.7rem; }
  .header-contact { margin-left: 0.8rem; }
  .hero h1 { font-size: 6.8rem; }
  .section-heading h2, .gui-heading h2, .contact-inner h2 { font-size: 4.5rem; }
  .contact-inner h2.contact-heading { font-size: 4.4rem; }
  .section-heading h2.steps-heading { font-size: 4.1rem; }
  .section-heading h2.proof-heading { font-size: 4.1rem; }
  .positioning-copy h3, .subheading-row h3, .proof-copy h3 { font-size: 2.15rem; }
  .hero-inner { padding-right: 44%; }
  .hero-product { right: 0; width: 50vw; }
  .architecture-flow { grid-template-columns: minmax(0, 1fr) 110px 150px; }
  .gui-gallery { grid-template-columns: 180px minmax(0, 1fr); }
  .gallery-tabs button { min-height: 50px; padding-inline: 0.7rem; }
  .system-flow { grid-template-columns: 1fr 0.28fr 1fr 0.28fr 1fr 0.28fr 1fr; }
}

@media (max-width: 900px) {
  :root { --header-height: 64px; }

  .site-header { padding: 0 1.2rem; }
  .header-contact { display: none; }
  .menu-button { display: block; margin-left: auto; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    height: auto;
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    background: rgb(35 38 45 / 98%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

  .site-nav a {
    height: auto;
    min-height: 58px;
    padding: 0 0.5rem;
    border-bottom: 1px solid rgb(255 255 255 / 10%);
    font-size: 0.9rem;
  }

  .site-nav a::after { display: none; }
  .hero h1 { font-size: 5.6rem; }
  .section-heading h2, .gui-heading h2, .contact-inner h2 { font-size: 4rem; }
  .contact-inner h2.contact-heading { font-size: 3.6rem; }
  .section-heading h2.steps-heading { font-size: 3.4rem; }
  .section-heading h2.proof-heading { font-size: 3.4rem; }
  .hero-inner { width: min(100% - 2.4rem, 680px); padding-right: 26%; }
  .hero-product { right: 0; width: 50vw; opacity: 0.68; }
  .hero-copy { max-width: 460px; }
  .section-heading { gap: 2rem; }
  .value-grid, .challenge-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 250px; }
  .positioning, .proof-layout { grid-template-columns: 1fr; }
  .positioning-copy, .proof-copy { max-width: 600px; }
  .architecture-flow { grid-template-columns: 1fr; }
  .loop-arrows { flex-direction: row; justify-content: center; }
  .plant-node { min-height: 170px; }
  .system-flow {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin-inline: auto;
  }
  .system-connection { min-height: 70px; justify-content: center; }
  .system-connection b { transform: rotate(90deg); }
  .gui-heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .gui-gallery { grid-template-columns: 1fr; }
  .gallery-tabs { flex-flow: row wrap; overflow-x: visible; }
  .gallery-tabs button { flex: 1 1 120px; grid-template-columns: auto; min-width: 0; padding: 0.7rem; text-align: center; }
  .gallery-tabs button span { display: block; }
  .step-index { overflow-x: auto; grid-template-columns: repeat(5, minmax(145px, 1fr)); }
  .step-row, .step-row.reverse { grid-template-columns: 1fr; }
  .step-row.reverse .step-copy, .step-row.reverse figure { order: initial; }
  .step-copy { max-width: 700px; }
}

@media (max-width: 680px) {
  :root { --section-space: 4.5rem; }

  body { font-size: 15px; }
  .section-inner, .section-inner.wide { width: min(100% - 2rem, var(--content)); }
  .brand-name { font-size: 0.9rem; }
  .site-header .brand-name { font-size: 1.05rem; }
  .hero {
    display: flex;
    min-height: calc(100svh - 32px);
    flex-direction: column;
  }
  .hero::before { left: 72%; }
  .hero-inner {
    order: 1;
    width: calc(100% - 2rem);
    min-height: 0;
    justify-content: flex-start;
    padding: calc(var(--header-height) + 3.2rem) 0 2.6rem;
  }
  .hero-product {
    position: relative;
    right: auto;
    bottom: auto;
    order: 2;
    width: min(58vw, 260px);
    max-height: none;
    align-self: center;
    margin: 0 auto 2.6rem;
    object-position: center;
    opacity: 0.4;
  }
  .hero h1 { font-size: 4.15rem; }
  .hero-kicker { margin-top: 1.5rem; font-size: 1.06rem; }
  .hero-lead { margin-top: 1.5rem; font-size: 1.32rem; }
  .hero-copy { max-width: 92%; font-size: 0.8rem; }
  .hero-actions { max-width: 270px; margin-top: 1.5rem; }
  .button { width: 100%; min-height: 48px; }
  .hero-actions .button-ghost { display: none; }
  .hero-facts { gap: 0.8rem; margin-top: 1.6rem; }
  .hero-facts li { padding-left: 8px; }
  .hero-facts strong { font-size: 1.05rem; }
  .hero-facts span { font-size: 0.66rem; }
  .section-heading { display: block; }
  .section-heading .eyebrow { margin-bottom: 1.25rem; }
  .concept-break { display: inline; }
  .section-heading h2, .gui-heading h2, .contact-inner h2 { font-size: 3rem; }
  .contact-inner h2.contact-heading { font-size: 3rem; }
  .section-heading h2.steps-heading,
  .section-heading h2.proof-heading { font-size: 2.45rem; }
  .steps-heading > span,
  .proof-heading > span { white-space: normal; }
  .positioning-copy h3, .subheading-row h3, .proof-copy h3 { font-size: 1.6rem; }
  .architecture-title h3 { font-size: 1.55rem; }
  .step-copy h3 { font-size: 1.55rem; }
  .section-heading > p:last-child { margin-top: 1.7rem; }
  .value-card { min-height: 235px; }
  .value-card h3 { margin-top: 1.8rem; }
  .position-map { min-height: 360px; margin: 2rem 0; }
  .map-item { width: 42%; min-width: 125px; padding: 9px; }
  .map-smart { width: 48%; }
  .answer-strip { padding: 1.4rem; }
  .answer-mark { display: none; }
  .answer-strip small { margin-top: 0; }
  .subheading-row { grid-template-columns: 1fr; gap: 1rem; }
  table { font-size: 0.85rem; }
  th, td { padding: 1rem 0.85rem; }
  .architecture { margin-inline: -0.5rem; padding: 1.2rem; }
  .architecture-title { display: block; }
  .architecture-title h3 { margin-top: 0.8rem; }
  .architecture-diagram {
    overflow-x: hidden;
  }
  .architecture-diagram .architecture-diagram-desktop {
    display: none;
  }
  .architecture-diagram .architecture-diagram-mobile {
    display: block;
    width: min(100%, 340px);
    min-width: 0;
    max-height: none;
  }
  .system-diagram {
    overflow-x: hidden;
  }
  .system-diagram .system-diagram-desktop {
    display: none;
  }
  .system-diagram .system-diagram-mobile {
    display: block;
    width: min(100%, 340px);
    min-width: 0;
    max-height: none;
  }
  .steps-diagram {
    overflow-x: hidden;
  }
  .steps-diagram .steps-diagram-desktop {
    display: none;
  }
  .steps-diagram .steps-diagram-mobile {
    display: block;
    width: min(100%, 340px);
    min-width: 0;
    max-height: none;
  }
  .step-row figure.cost-adjustment-diagram {
    overflow-x: hidden;
  }
  .cost-adjustment-diagram .cost-adjustment-diagram-desktop {
    display: none;
  }
  .step-row figure.cost-adjustment-diagram img.cost-adjustment-diagram-mobile {
    display: block;
    width: min(100%, 340px);
    min-width: 0;
    max-width: 340px;
    max-height: none;
  }
  .controller-parts { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); }
  .tech-node { min-height: 165px; }
  .loop-arrows { flex-direction: column; gap: 0.4rem; }
  .point-index { font-size: 1.7rem; }
  .prediction-line { grid-template-columns: 1fr; gap: 6px; }
  .prediction-line i { padding: 0.25rem; }
  .signal-grid, .spec-columns { grid-template-columns: 1fr; }
  .spec-columns dl div { grid-template-columns: 105px minmax(0, 1fr); }
  .gui-section .section-inner { width: min(100% - 2rem, var(--content)); }
  .gui-heading { padding: 0; }
  .gallery-tabs button { flex: 0 0 calc(50% - 1.5px); min-width: 0; font-size: 0.62rem; }
  .browser-chrome { height: 32px; }
  .gallery-caption { min-height: 84px; flex-direction: column; gap: 0.2rem; justify-content: center; }
  .step-index { margin-inline: -1rem; padding-inline: 1rem; border-right: 0; border-left: 0; }
  .step-row { gap: 1.8rem; }
  .step-row figure { margin-inline: -0.5rem; }
  .cost-list { grid-template-columns: 1fr 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .safety-item { min-height: 220px; }
  .status-gallery { grid-template-columns: 1fr; }
  .status-gallery figure { min-height: 100px; }
  .mimo-diagram { min-height: 340px; padding: 1rem; }
  .mimo-row { gap: 0.35rem; }
  .mimo-row span { font-size: 0.58rem; }
  .mimo-row.sensors { right: 1rem; bottom: 1rem; left: 1rem; }
  .mimo-lines { top: 65px; right: 2rem; bottom: 65px; left: 2rem; }
  .mimo-tex-diagram,
  .application-diagram {
    overflow-x: hidden;
  }
  .mimo-tex-diagram img,
  .application-diagram img {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
  .applications ul { grid-template-columns: repeat(2, 1fr); }
  .applications li:nth-child(2) { border-right: 0; }
  .applications li:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .contact-decoration { width: 55%; opacity: 0.26; }
  .contact-logo-mark { right: 5%; width: 49.8vw; }
  .contact-inner { padding-right: 0; }
  .contact-inner > p { max-width: 80%; }
  .contact-actions { max-width: 330px; }
  .closing-values { grid-template-columns: 1fr; max-width: 85%; }
  .contact-actions .button { gap: 0.75rem; padding-inline: 1rem; font-size: 0.8rem; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 0.7rem; padding-block: 1.8rem; }
  .footer-brand { width: 100%; margin: 0 0 0.5rem; }
  .site-footer p { margin: 0; }
}

@media (max-width: 390px) {
  .hero h1 { font-size: 3.85rem; }
  .section-heading h2, .gui-heading h2, .contact-inner h2 { font-size: 2.65rem; }
  .contact-inner h2.contact-heading { font-size: 2.6rem; }
  .section-heading h2.steps-heading,
  .section-heading h2.proof-heading { font-size: 2.25rem; }
  .hero-company { margin-bottom: 0.9rem; }
  .hero-kicker { margin-top: 1.2rem; }
  .hero-lead { margin-top: 1.2rem; }
  .hero-facts span { display: none; }
  .hero-product { opacity: 0.32; }
  .map-item span { display: none; }
  .map-item { min-height: 52px; }
  .gallery-tabs button { min-width: 96px; }
}

@media (max-width: 340px) {
  .hero h1 { font-size: 3.6rem; }
  .concept-break-small { display: inline; }
  .section-heading h2.steps-heading { font-size: 1.85rem; }
  .section-heading h2.proof-heading { font-size: 1.85rem; }
  .contact-inner h2.contact-heading { font-size: 2rem; }
}

@media (max-width: 680px) and (max-height: 650px) {
  .hero-inner {
    padding-top: calc(var(--header-height) + 1.4rem);
    padding-bottom: 1.25rem;
  }
  .hero-company { margin-bottom: 0.55rem; }
  .hero-kicker { margin-top: 0.8rem; font-size: 0.9rem; line-height: 1.45; }
  .hero-lead { margin-top: 0.9rem; font-size: 1.1rem; line-height: 1.4; }
  .hero-copy { font-size: 0.7rem; line-height: 1.6; }
  .hero-actions { margin-top: 0.85rem; }
  .hero-actions .button { min-height: 42px; }
  .hero-facts { display: none; }
  .hero-product { width: min(52vw, 230px); max-height: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .motion-ready .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .section-heading h2.system-heading { font-size: 4rem; }
}

@media (max-width: 900px) {
  .section-heading h2.system-heading { font-size: 3.5rem; }
}

@media (max-width: 680px) {
  .section-heading h2.system-heading { font-size: 3.1rem; }
}

@media (max-width: 480px) {
  .section-heading h2.system-heading { font-size: 2.75rem; }
}

@media (max-width: 420px) {
  .section-heading h2.system-heading { font-size: 2.3rem; }
}

@media (max-width: 360px) {
  .section-heading h2.system-heading { font-size: 2rem; }
}

@media (max-width: 340px) {
  .section-heading h2.system-heading { font-size: 1.85rem; }
}