@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --ink: #07131f;
  --ink-soft: #112436;
  --paper: #f4f7f8;
  --white: #ffffff;
  --blue: #25a8e8;
  --blue-bright: #52c7ff;
  --mint: #9ee8d1;
  --line: #cfd9df;
  --muted: #667582;
  --display: 'Space Grotesk', sans-serif;
  --body: 'Manrope', sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { display: block; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .75rem 1rem;
  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: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 5vw, 5rem);
  color: var(--white);
  transition: background .3s ease, height .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  height: 4.5rem;
  background: rgba(7, 19, 31, .92);
  backdrop-filter: blur(18px);
  border-color: rgba(255,255,255,.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font: 700 1.3rem/1 var(--display);
  letter-spacing: -.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  aspect-ratio: 1;
  color: var(--ink);
  background: var(--blue-bright);
}

.brand-mark svg { width: 1.55rem; fill: currentColor; }

.main-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.6rem); }
.main-nav a { font-size: .88rem; font-weight: 600; }
.main-nav > a:not(.nav-cta) { color: rgba(255,255,255,.72); transition: color .2s; }
.main-nav > a:not(.nav-cta):hover { color: var(--white); }

.nav-cta {
  padding: .62rem 1rem;
  border: 1px solid rgba(255,255,255,.3);
  transition: background .2s, color .2s;
}
.nav-cta:hover { color: var(--ink); background: var(--white); }

.menu-button { display: none; }

.hero {
  position: relative;
  min-height: 48rem;
  height: min(54rem, 100svh);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(32rem, 1.1fr);
  align-items: center;
  gap: 3rem;
  padding: 7rem clamp(1.25rem, 7vw, 8rem) 4rem;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 25%, rgba(37,168,232,.12), transparent 32%),
    linear-gradient(115deg, var(--ink) 0%, #091a29 72%, #0a2132 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .08;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.4) 1px, transparent 1px);
  background-size: 100% 6rem;
}

.hero-copy { position: relative; z-index: 2; max-width: 43rem; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 0 0 1.5rem;
  color: #467083;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow > span { width: 1.8rem; height: 2px; background: var(--blue); }
.eyebrow.light { color: rgba(255,255,255,.56); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); }

h1 {
  margin-bottom: 1.6rem;
  font-size: clamp(3.5rem, 6.5vw, 7.25rem);
  line-height: .91;
  letter-spacing: -.065em;
}

h1 em {
  color: var(--blue-bright);
  font-style: normal;
}

.hero-lead {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: rgba(255,255,255,.7);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.7;
}

.hero-actions { display: flex; align-items: center; gap: 1.7rem; flex-wrap: wrap; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  min-height: 3.5rem;
  padding: .9rem 1.25rem;
  font-size: .9rem;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button svg {
  width: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}
.button-primary { color: var(--ink); background: var(--blue-bright); }
.button-primary:hover { background: var(--mint); }
.text-link {
  position: relative;
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  font-weight: 600;
}
.text-link::after {
  content: '';
  position: absolute;
  inset: auto 0 -.3rem;
  height: 1px;
  background: currentColor;
  transform-origin: right;
  transition: transform .25s;
}
.text-link:hover::after { transform: scaleX(.35); }

.hero-visual {
  position: relative;
  min-height: 34rem;
  z-index: 1;
}

.visual-grid {
  position: absolute;
  inset: 7% 0 0;
  opacity: .12;
  background-image:
    linear-gradient(rgba(82,199,255,.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82,199,255,.8) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

.system-card {
  position: absolute;
  z-index: 3;
  width: min(17rem, 42%);
  padding: 1.25rem;
  background: rgba(12, 35, 52, .86);
  border: 1px solid rgba(103,203,248,.25);
  box-shadow: 0 2rem 6rem rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
}
.card-source { left: 2%; top: 15%; }
.card-output { right: 0; bottom: 12%; }
.card-label {
  color: rgba(255,255,255,.4);
  font: 600 .62rem/1 var(--display);
  letter-spacing: .15em;
}
.source-row {
  display: grid;
  grid-template-columns: .5rem 1fr auto;
  align-items: center;
  gap: .7rem;
  padding: .75rem 0;
  color: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: .72rem;
}
.source-row:last-child { border-bottom: 0; padding-bottom: 0; }
.source-row i { width: .4rem; height: .4rem; background: var(--blue-bright); border-radius: 50%; }
.source-row b { color: var(--white); font-family: var(--display); }
.output-head { display: flex; align-items: center; justify-content: space-between; }
.live-dot { color: var(--mint); font-size: .62rem; }
.live-dot::before {
  content: '';
  display: inline-block;
  width: .35rem;
  height: .35rem;
  margin-right: .35rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 .2rem rgba(158,232,209,.1);
}
.mini-chart { height: 5.5rem; display: flex; align-items: flex-end; gap: .45rem; margin: 1.2rem 0; }
.mini-chart span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, rgba(37,168,232,.15), var(--blue-bright));
}
.card-output p { margin: 0; color: rgba(255,255,255,.58); font-size: .78rem; line-height: 1.6; }
.card-output strong { color: var(--white); }

.system-core {
  position: absolute;
  z-index: 4;
  left: 47%;
  top: 45%;
  display: grid;
  place-items: center;
  width: 5.5rem;
  aspect-ratio: 1;
  color: var(--ink);
  background: var(--blue-bright);
  box-shadow: 0 0 4rem rgba(82,199,255,.3);
}
.system-core svg { width: 3.1rem; fill: currentColor; }
.pulse {
  position: absolute;
  inset: -.8rem;
  border: 1px solid rgba(82,199,255,.45);
  animation: pulse 2.5s ease-out infinite;
}
@keyframes pulse { 50%,100% { transform: scale(1.35); opacity: 0; } }

.flow-line {
  position: absolute;
  z-index: 2;
  height: 1px;
  background: var(--blue-bright);
  transform-origin: left;
}
.flow-line::after {
  content: '';
  position: absolute;
  right: 0;
  top: -.2rem;
  width: .4rem;
  height: .4rem;
  background: var(--blue-bright);
  border-radius: 50%;
}
.flow-a { width: 39%; left: 23%; top: 40%; transform: rotate(22deg); }
.flow-b { width: 34%; left: 53%; top: 54%; transform: rotate(31deg); }

.coordinate {
  position: absolute;
  z-index: 3;
  color: rgba(255,255,255,.25);
  font: 500 .55rem/1 var(--display);
  letter-spacing: .16em;
}
.coordinate-a { left: 3%; top: 8%; }
.coordinate-b { left: 47%; top: 66%; }
.coordinate-c { right: 1%; bottom: 5%; }

.proof-strip {
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1.25rem, 7vw, 8rem);
  background: var(--blue);
}
.proof-strip p {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -.02em;
}
.proof-strip > div { display: flex; align-items: center; gap: clamp(.7rem, 2vw, 2rem); }
.proof-strip span { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.proof-strip i { width: .28rem; height: .28rem; background: rgba(7,19,31,.35); border-radius: 50%; }

.section { padding: clamp(5.5rem, 10vw, 9rem) clamp(1.25rem, 7vw, 8rem); }
.section-heading {
  display: grid;
  grid-template-columns: .55fr 1.15fr .8fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: end;
  margin-bottom: 4rem;
}
.section-heading .eyebrow { align-self: start; }
.section-heading h2, .approach h2, .audience h2, .contact h2 {
  margin-bottom: 0;
  font-size: clamp(2.25rem, 4.2vw, 4.7rem);
  line-height: 1.03;
  letter-spacing: -.055em;
}
.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: .98rem;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-card {
  min-height: 27rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.36);
  transition: background .25s ease, transform .25s ease;
}
.service-card:hover { background: var(--white); transform: translateY(-4px); }
.service-card.featured { background: var(--white); }
.service-index {
  margin-bottom: 3rem;
  color: #91a0aa;
  font: 600 .7rem/1 var(--display);
  letter-spacing: .12em;
}
.service-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  aspect-ratio: 1;
  margin-bottom: 2rem;
  color: var(--blue);
  background: rgba(37,168,232,.08);
}
.service-icon svg { width: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.5; }
.service-card h3 { margin-bottom: 1rem; font-size: 1.4rem; letter-spacing: -.035em; }
.service-card p { color: var(--muted); font-size: .93rem; }
.service-card ul { margin: 2rem 0 0; padding: 0; list-style: none; }
.service-card li {
  padding: .7rem 0;
  border-top: 1px solid #e2e8eb;
  font-size: .78rem;
  font-weight: 600;
}

.energy-teaser {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(32rem, 1.1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  background: #eaf0f2;
}
.energy-teaser-copy { max-width: 42rem; }
.energy-teaser-copy h2 {
  margin-bottom: 1.6rem;
  font-size: clamp(2.25rem, 4.2vw, 4.7rem);
  line-height: 1.03;
  letter-spacing: -.055em;
}
.energy-teaser-copy > p:not(.eyebrow) { color: var(--muted); }
.button-dark { margin-top: .75rem; color: var(--white); background: var(--ink); }
.button-dark:hover { color: var(--ink); background: var(--blue-bright); }
.energy-teaser-panel { border-top: 1px solid #bfcbd1; }
.energy-metric {
  display: grid;
  grid-template-columns: 3rem minmax(10rem, .8fr) 1.2fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-bottom: 1px solid #bfcbd1;
}
.energy-metric > span { color: var(--blue); font: 600 .7rem/1 var(--display); letter-spacing: .12em; }
.energy-metric strong { font-family: var(--display); font-size: 1.05rem; }
.energy-metric p { margin: 0; color: var(--muted); font-size: .84rem; }

.energy-page { background: var(--paper); }
.subpage-hero {
  min-height: 49rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(26rem, .85fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  padding: 9rem clamp(1.25rem, 7vw, 8rem) 5rem;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 35%, rgba(37,168,232,.12), transparent 34%),
    linear-gradient(118deg, var(--ink), #0a2132);
}
.subpage-hero-copy { max-width: 50rem; }
.subpage-hero h1 { font-size: clamp(3.2rem, 5.7vw, 6.5rem); }
.subpage-hero-visual img { display: block; width: 100%; height: auto; border: 1px solid rgba(82,199,255,.18); }
.development-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  max-width: 39rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(255,255,255,.16);
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.development-note span {
  padding: .4rem .65rem;
  color: var(--ink);
  background: var(--mint);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.development-note p { margin: 0; color: rgba(255,255,255,.62); font-size: .8rem; }
.page-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 clamp(1.25rem, 7vw, 8rem);
  background: var(--blue);
}
.page-index a { padding: 1.35rem 1rem; border-left: 1px solid rgba(7,19,31,.18); font-size: .76rem; font-weight: 700; }
.page-index a:last-child { border-right: 1px solid rgba(7,19,31,.18); }
.page-index span { margin-right: .7rem; opacity: .55; font: 600 .64rem/1 var(--display); }
.editorial-section {
  display: grid;
  grid-template-columns: minmax(18rem, .8fr) minmax(24rem, 1.2fr);
  gap: clamp(3rem, 9vw, 10rem);
}
.editorial-heading h2, .data-intro h2, .iot-heading h2, .legislation-copy h2, .faq-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.2rem, 4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -.05em;
}
.editorial-copy { max-width: 46rem; color: var(--muted); font-size: 1.02rem; }
.editorial-copy p { margin-bottom: 1.5rem; }
.data-section { color: var(--white); background: var(--ink); }
.data-intro { display: grid; grid-template-columns: .5fr 1.1fr .8fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.data-intro > p:last-child { margin: 0; color: rgba(255,255,255,.55); }
.data-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.16); border-left: 1px solid rgba(255,255,255,.16); }
.data-card { min-height: 20rem; padding: 2rem; border-right: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.data-card > span { color: var(--blue-bright); font: 600 .65rem/1 var(--display); letter-spacing: .14em; }
.data-card h3 { margin: 4.5rem 0 1rem; font-size: 1.45rem; }
.data-card p { color: rgba(255,255,255,.55); font-size: .9rem; }
.iot-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); }
.iot-heading > p:last-child { margin-top: 1.7rem; color: var(--muted); }
.iot-flow { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.iot-flow li { display: grid; grid-template-columns: 3rem minmax(10rem, .8fr) 1.2fr; gap: 1rem; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.iot-flow li > span { color: var(--blue); font: 600 .68rem/1.8 var(--display); }
.iot-flow strong { font-family: var(--display); }
.iot-flow p { margin: 0; color: var(--muted); font-size: .85rem; }
.iot-detail { grid-column: 2; columns: 2; column-gap: 2rem; color: var(--muted); }
.iot-detail p { break-inside: avoid; }
.legislation-section { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(3rem, 9vw, 9rem); color: var(--white); background: #0b2638; }
.legislation-copy > p:not(.eyebrow) { max-width: 48rem; color: rgba(255,255,255,.62); }
.legislation-copy h2 { margin-bottom: 2rem; }
.legislation-aside { align-self: center; padding: 2rem; border: 1px solid rgba(82,199,255,.28); background: rgba(7,19,31,.34); }
.legislation-aside strong { font-family: var(--display); font-size: 1.2rem; }
.legislation-aside ul { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.legislation-aside li { padding: .8rem 0; color: rgba(255,255,255,.64); border-top: 1px solid rgba(255,255,255,.1); font-size: .86rem; }
.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 9vw, 9rem); }
.faq-heading { align-self: start; position: sticky; top: 7rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 1.5rem 3rem 1.5rem 0; cursor: pointer; font-family: var(--display); font-size: 1.08rem; font-weight: 600; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: .5rem; top: 1.25rem; color: var(--blue); font: 400 1.8rem/1 var(--display); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 47rem; padding: 0 3rem 1.5rem 0; margin: 0; color: var(--muted); }
.energy-contact .back-link { display: block; width: fit-content; margin: 1.5rem auto 0; color: rgba(7,19,31,.72); font-size: .85rem; font-weight: 700; border-bottom: 1px solid rgba(7,19,31,.35); }

.approach {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 10vw, 10rem);
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}
.approach::after {
  content: 'G';
  position: absolute;
  left: -2rem;
  bottom: -15rem;
  color: rgba(255,255,255,.018);
  font: 700 34rem/.8 var(--display);
}
.approach-intro { position: sticky; top: 8rem; align-self: start; z-index: 1; }
.steps { position: relative; z-index: 1; }
.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: 2.3rem 0;
  border-top: 1px solid rgba(255,255,255,.16);
}
.step:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.step > span { color: var(--blue-bright); font: 600 .72rem/1.5 var(--display); }
.step h3 { margin-bottom: .65rem; font-size: 1.25rem; }
.step p { margin: 0; color: rgba(255,255,255,.52); font-size: .92rem; }

.audience {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(4rem, 9vw, 9rem);
  align-items: center;
}
.audience-copy > p:last-child { max-width: 35rem; margin-top: 2rem; color: var(--muted); }
.audience-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.audience-panel {
  position: relative;
  min-height: 24rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-soft);
}
.audience-panel:nth-child(2) { color: var(--ink); background: var(--blue); }
.audience-panel > span {
  position: absolute;
  top: 2rem;
  left: 2rem;
  font: 600 .68rem/1 var(--display);
  letter-spacing: .12em;
  opacity: .55;
}
.audience-panel h3 { position: relative; margin-bottom: .8rem; font-size: 1.4rem; }
.audience-panel p { position: relative; margin: 0; opacity: .65; font-size: .86rem; }
.panel-line {
  position: absolute;
  width: 20rem;
  height: 20rem;
  top: -10rem;
  right: -10rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .12;
}
.panel-line::after {
  content: '';
  position: absolute;
  inset: 3rem;
  border: 1px solid currentColor;
  border-radius: inherit;
}

.contact {
  position: relative;
  min-height: 37rem;
  display: grid;
  place-items: center;
  padding: 6rem 1.25rem;
  overflow: hidden;
  text-align: center;
  color: var(--white);
  background: var(--blue);
}
.contact-content { position: relative; z-index: 2; width: min(100%, 66rem); max-width: 66rem; }
.contact .eyebrow { justify-content: center; color: rgba(7,19,31,.55); }
.contact .eyebrow span { background: var(--ink); }
.contact h2 { margin-bottom: 1.4rem; color: var(--ink); }
.contact p:not(.eyebrow) { max-width: 38rem; margin: 0 auto 2rem; color: rgba(7,19,31,.68); }
.button-light { color: var(--white); background: var(--ink); }
.button-light:hover { color: var(--ink); background: var(--white); }
.contact .company-relationship {
  max-width: none;
  margin: 2.5rem auto 1.25rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink);
}
.company-relationship strong { font-weight: 800; }
.company-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  text-align: left;
}
.company-card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-height: 15rem;
  padding: 1.5rem;
  color: var(--ink);
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(7,19,31,.14);
  border-radius: 1rem;
  box-shadow: 0 1rem 3rem rgba(7,19,31,.08);
  font-style: normal;
}
.company-card strong { margin: .3rem 0 .4rem; font: 600 1.2rem/1.25 var(--display); }
.company-card a { width: fit-content; color: var(--ink); text-decoration: underline; text-underline-offset: .2em; }
.company-label { font: 700 .68rem/1 var(--display); letter-spacing: .12em; text-transform: uppercase; opacity: .55; }
.parent-company-card { background: rgba(7,19,31,.92); color: var(--white); }
.contact-orbit {
  position: absolute;
  width: 38rem;
  height: 38rem;
  border: 1px solid rgba(7,19,31,.12);
  border-radius: 50%;
}
.contact-orbit::before, .contact-orbit::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(7,19,31,.1);
  border-radius: 50%;
}
.contact-orbit::before { inset: 5rem; }
.contact-orbit::after { inset: 10rem; }
.contact-orbit span, .contact-orbit i {
  position: absolute;
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: var(--ink);
}
.contact-orbit span { top: 5.5rem; right: 4.2rem; }
.contact-orbit i { bottom: 3rem; left: 8rem; opacity: .35; }

.site-footer {
  min-height: 7rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem clamp(1.25rem, 5vw, 5rem);
  color: rgba(255,255,255,.55);
  background: #040c13;
  font-size: .75rem;
}
.footer-brand { color: var(--white); }
.site-footer p { margin: 0; }
.site-footer p:last-child { justify-self: end; }

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1000px) {
  .contact .company-relationship { white-space: normal; }
  .hero {
    min-height: auto;
    height: auto;
    grid-template-columns: 1fr;
    padding-top: 10rem;
  }
  .hero-copy { max-width: 48rem; }
  .hero-visual { min-height: 30rem; }
  .section-heading { grid-template-columns: 1fr 1.5fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card.featured { grid-column: span 2; min-height: 23rem; }
  .approach { gap: 4rem; }
  .audience { grid-template-columns: 1fr; }
  .audience-copy { max-width: 45rem; }
  .energy-teaser, .subpage-hero { grid-template-columns: 1fr; }
  .energy-teaser-panel { max-width: 50rem; }
  .subpage-hero { padding-top: 10rem; }
  .subpage-hero-copy { max-width: 54rem; }
  .subpage-hero-visual { max-width: 42rem; }
  .data-intro { grid-template-columns: 1fr 1.5fr; }
  .data-intro > p:last-child { grid-column: 2; }
  .iot-section { grid-template-columns: 1fr; }
  .iot-detail { grid-column: auto; }
}

@media (max-width: 760px) {
  .site-header { height: 4.5rem; }
  .menu-button {
    display: grid;
    gap: .38rem;
    width: 2.75rem;
    height: 2.75rem;
    place-content: center;
    color: var(--white);
    border: 0;
    background: transparent;
  }
  .menu-button span:not(.sr-only) {
    width: 1.35rem;
    height: 1px;
    background: currentColor;
    transition: transform .2s;
  }
  .menu-button[aria-expanded='true'] span:nth-child(2) { transform: translateY(.2rem) rotate(45deg); }
  .menu-button[aria-expanded='true'] span:nth-child(3) { transform: translateY(-.2rem) rotate(-45deg); }
  .main-nav {
    position: absolute;
    inset: 4.5rem 0 auto;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(7,19,31,.97);
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .85rem; font-size: 1rem; }
  .nav-cta { margin-top: .5rem; text-align: center; }
  .hero { padding-top: 8.5rem; }
  h1 { font-size: clamp(3.4rem, 16vw, 5.4rem); }
  .hero-lead { font-size: 1rem; }
  .hero-visual { min-height: 25rem; margin-top: 1rem; }
  .system-card { width: 58%; }
  .card-source { left: 0; }
  .card-output { right: 0; }
  .system-core { left: 44%; top: 43%; width: 4.5rem; }
  .proof-strip { align-items: flex-start; flex-direction: column; gap: .5rem; padding-block: 1.25rem; }
  .proof-strip > div { width: 100%; justify-content: space-between; gap: .4rem; }
  .proof-strip span { font-size: .62rem; }
  .section-heading { grid-template-columns: 1fr; margin-bottom: 2.8rem; }
  .section-heading > p:last-child { grid-column: auto; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card.featured { grid-column: auto; min-height: auto; }
  .energy-metric { grid-template-columns: 2.5rem 1fr; }
  .energy-metric p { grid-column: 2; }
  .subpage-hero { min-height: auto; padding-top: 8.5rem; }
  .subpage-hero h1 { font-size: clamp(2.9rem, 14vw, 5rem); }
  .development-note { grid-template-columns: 1fr; }
  .page-index { grid-template-columns: 1fr 1fr; }
  .page-index a:nth-child(3) { border-top: 1px solid rgba(7,19,31,.18); }
  .page-index a:nth-child(4) { border-top: 1px solid rgba(7,19,31,.18); }
  .editorial-section, .legislation-section, .faq-section { grid-template-columns: 1fr; }
  .data-intro { grid-template-columns: 1fr; }
  .data-intro > p:last-child { grid-column: auto; }
  .data-grid { grid-template-columns: 1fr; }
  .data-card { min-height: auto; }
  .data-card h3 { margin-top: 2.5rem; }
  .iot-flow li { grid-template-columns: 2.5rem 1fr; }
  .iot-flow p { grid-column: 2; }
  .iot-detail { columns: 1; }
  .faq-heading { position: static; }
  .approach { grid-template-columns: 1fr; }
  .approach-intro { position: static; }
  .audience-panels { grid-template-columns: 1fr; }
  .audience-panel { min-height: 20rem; }
  .contact { min-height: 34rem; }
  .contact-orbit { width: 31rem; height: 31rem; }
  .site-footer { grid-template-columns: 1fr; justify-items: start; gap: 1rem; padding-block: 2rem; }
  .site-footer p:last-child { justify-self: start; }
}

@media (max-width: 430px) {
  .company-details { grid-template-columns: 1fr; }
  .company-card { min-height: auto; padding: 1.25rem; }
  .hero-visual { min-height: 27rem; }
  .system-card { width: 72%; }
  .card-output { bottom: 5%; }
  .system-core { left: auto; right: 5%; top: 43%; }
  .flow-a { width: 52%; }
  .flow-b { display: none; }
  .coordinate { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}