:root {
  --bg: #071014;
  --bg-deep: #040a0d;
  --surface: #0d191d;
  --surface-2: #102126;
  --line: rgba(185, 220, 218, 0.14);
  --line-strong: rgba(185, 220, 218, 0.25);
  --text: #eef7f4;
  --muted: #9cafad;
  --muted-2: #718586;
  --teal: #69d0c3;
  --teal-deep: #218c89;
  --orange: #f1a23a;
  --cream: #e8eee9;
  --dark-ink: #071014;
  --container: 1240px;
  --radius: 18px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

svg {
  display: block;
}

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

.page-noise {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.scrolled,
.site-header.menu-active {
  border-color: var(--line);
  background: rgba(5, 13, 16, 0.86);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-mark {
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--teal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.brand-mark svg path:first-child {
  fill: rgba(105, 208, 195, 0.06);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 19px;
  line-height: 1.1;
  letter-spacing: 0.14em;
}

.brand-text small {
  color: var(--muted-2);
  font-family: Arial, sans-serif;
  font-size: 8px;
  letter-spacing: 0.18em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-left: auto;
  margin-right: 48px;
}

.desktop-nav a {
  position: relative;
  color: #b8c7c5;
  font-size: 14px;
  transition: color 0.25s ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: -12px;
  left: 50%;
  height: 1px;
  background: var(--teal);
  transition: right 0.25s var(--ease), left 0.25s var(--ease);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--text);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  right: 0;
  left: 0;
}

.nav-contact {
  min-width: 125px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  font-size: 13px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.nav-contact svg,
.button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 0.25s var(--ease);
}

.nav-contact:hover {
  border-color: var(--teal);
  background: rgba(105, 208, 195, 0.08);
}

.nav-contact:hover svg,
.button:hover svg {
  transform: translateX(4px);
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 920px;
  padding: 150px 0 35px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 76% 32%, rgba(47, 141, 137, 0.13), transparent 31%),
    linear-gradient(180deg, #071014 0%, #071014 76%, #091519 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(4, 11, 14, 0.26));
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(116, 165, 163, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 165, 163, 0.12) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black, transparent 63%);
}

.hero-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.13;
}

.hero-glow-a {
  top: 11%;
  left: -150px;
  background: var(--teal);
}

.hero-glow-b {
  right: -180px;
  bottom: 7%;
  background: var(--orange);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(430px, 0.85fr) minmax(590px, 1.15fr);
  gap: 56px;
  align-items: center;
  min-height: 650px;
}

.hero-copy {
  padding-bottom: 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 27px;
  color: #a8bfbc;
  font-size: 13px;
  letter-spacing: 0.15em;
}

.eyebrow-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 16px rgba(105, 208, 195, 0.9);
}

.eyebrow-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(105, 208, 195, 0.4);
  border-radius: 50%;
  animation: pulse 2.2s ease-out infinite;
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  color: #f0f6f3;
  font-size: clamp(48px, 5.15vw, 77px);
  font-weight: 600;
  line-height: 1.13;
  letter-spacing: -0.055em;
}

.hero h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(95deg, var(--teal) 0%, #b1ded7 52%, #ddbd80 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-copy > p {
  max-width: 570px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 29px;
  margin-top: 37px;
}

.button {
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  padding: 0 25px;
  font-size: 14px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease, background 0.25s ease;
}

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

.button-primary {
  background: var(--teal);
  color: var(--dark-ink);
  box-shadow: 0 12px 30px rgba(37, 130, 126, 0.22);
}

.button-primary:hover {
  background: #7edacf;
  box-shadow: 0 15px 36px rgba(37, 130, 126, 0.35);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #c2cecc;
  font-size: 14px;
}

.play-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.play-icon svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linejoin: round;
}

.text-link:hover .play-icon {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
}

.hero-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(171, 210, 207, 0.14);
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
  min-width: 0;
  perspective: 1200px;
}

.visual-orbit {
  position: absolute;
  border: 1px solid rgba(105, 208, 195, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  top: -85px;
  right: -75px;
  width: 560px;
  height: 560px;
}

.orbit-two {
  top: -25px;
  right: -15px;
  width: 440px;
  height: 440px;
  border-style: dashed;
  animation: slow-spin 45s linear infinite;
}

.system-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(154, 210, 205, 0.24);
  background: linear-gradient(145deg, rgba(18, 38, 42, 0.92), rgba(8, 19, 23, 0.94));
  box-shadow: 0 45px 90px rgba(0, 0, 0, 0.36), inset 0 1px rgba(255, 255, 255, 0.035);
  transform: rotateY(-4deg) rotateX(1deg);
  transform-origin: center;
}

.system-panel::after {
  content: "";
  position: absolute;
  top: -60%;
  left: -30%;
  width: 35%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(208, 255, 249, 0.035), transparent);
  transform: rotate(18deg);
  animation: panel-scan 8s ease-in-out infinite;
}

.panel-head {
  height: 81px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 25px;
  border-bottom: 1px solid var(--line);
}

.panel-head > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.panel-head strong {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.panel-kicker {
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.2em;
}

.online-state {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(105, 208, 195, 0.14);
  background: rgba(105, 208, 195, 0.05);
  color: #a5c5c0;
  font-size: 10px;
}

.online-state i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
}

.field-map {
  position: relative;
  aspect-ratio: 1.47 / 1;
  min-height: 420px;
  background: radial-gradient(circle at 50% 42%, rgba(60, 137, 135, 0.14), transparent 57%);
}

.field-map > svg {
  width: 100%;
  height: 100%;
}

.map-grid path {
  fill: none;
  stroke: rgba(150, 195, 193, 0.08);
  stroke-width: 1;
}

.terrain-line {
  fill: none;
  stroke: rgba(105, 208, 195, 0.16);
  stroke-width: 1;
}

.terrain-line-soft {
  stroke: rgba(105, 208, 195, 0.08);
}

.pipe-shadow,
.pipe-main,
.flow-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pipe-shadow {
  stroke: rgba(0, 0, 0, 0.55);
  stroke-width: 14;
}

.pipe-main {
  stroke: url(#pipeGradient);
  stroke-width: 6;
}

.flow-line {
  stroke: rgba(230, 255, 250, 0.65);
  stroke-width: 1.5;
  stroke-dasharray: 4 20;
  animation: flow 3s linear infinite;
}

.well path,
.well circle {
  fill: none;
  stroke: #87bdb7;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.well-right path,
.well-right circle {
  stroke: #c89855;
}

.station rect {
  fill: #10282b;
  stroke: #65ada8;
}

.station path,
.station circle {
  fill: none;
  stroke: #82bbb5;
  stroke-width: 1.2;
}

.station circle {
  fill: var(--orange);
  stroke: none;
}

.signal > circle:last-child {
  fill: #d8f8f2;
  stroke: var(--teal);
  stroke-width: 2;
}

.signal-halo {
  fill: url(#nodeGlow);
  animation: signal-pulse 2.4s ease-out infinite;
}

.signal-b .signal-halo {
  animation-delay: 0.5s;
}

.signal-c .signal-halo {
  animation-delay: 1s;
}

.signal-d .signal-halo {
  animation-delay: 1.5s;
}

.data-paths path {
  fill: none;
  stroke: rgba(105, 208, 195, 0.27);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.map-label rect {
  fill: rgba(8, 20, 24, 0.9);
  stroke: rgba(105, 208, 195, 0.23);
}

.map-label text {
  fill: #89a7a4;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 10px;
}

.map-label.label-accent rect {
  fill: rgba(241, 162, 58, 0.08);
  stroke: rgba(241, 162, 58, 0.3);
}

.map-label.label-accent text {
  fill: #d8b77f;
}

.floating-card {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(169, 216, 212, 0.2);
  background: rgba(8, 20, 23, 0.88);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
}

.pressure-card {
  top: 25px;
  right: 21px;
  width: 135px;
  padding: 13px 14px 11px;
}

.pressure-card > span,
.sync-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted-2);
  font-size: 9px;
}

.pressure-card > strong,
.sync-card strong {
  font-size: 13px;
  font-weight: 500;
}

.mini-chart {
  height: 29px;
  display: flex;
  align-items: end;
  gap: 4px;
  margin-top: 9px;
}

.mini-chart i {
  width: 100%;
  background: linear-gradient(to top, rgba(105, 208, 195, 0.22), var(--teal));
}

.mini-chart i:nth-child(1) { height: 42%; }
.mini-chart i:nth-child(2) { height: 58%; }
.mini-chart i:nth-child(3) { height: 48%; }
.mini-chart i:nth-child(4) { height: 71%; }
.mini-chart i:nth-child(5) { height: 64%; }
.mini-chart i:nth-child(6) { height: 78%; }
.mini-chart i:nth-child(7) { height: 68%; }

.sync-card {
  right: 33px;
  bottom: 37px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
}

.sync-card > svg {
  width: 24px;
  fill: none;
  stroke: var(--orange);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.2;
}

.panel-foot {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 25px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 9px;
}

.panel-foot > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.legend-dot.teal {
  background: var(--teal);
}

.legend-dot.orange {
  background: var(--orange);
}

.panel-time {
  margin-left: auto;
  font-family: Arial, sans-serif;
  letter-spacing: 0.14em;
}

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero-line {
  height: 1px;
  flex: 1;
  background: var(--line);
}

.hero-pill-list {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-pill-list i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--teal);
}

.section {
  position: relative;
  padding: 130px 0;
}

.section-index {
  display: block;
  margin-bottom: 22px;
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(36px, 4.1vw, 56px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.04em;
}

.split-heading {
  display: grid;
  grid-template-columns: 1fr 0.76fr;
  gap: 100px;
  align-items: end;
  margin-bottom: 70px;
}

.heading-copy {
  padding-bottom: 5px;
}

.heading-copy > p,
.solution-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 27px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(105, 208, 195, 0.35);
  color: var(--teal);
  font-size: 13px;
}

.arrow-link span {
  transition: transform 0.25s var(--ease);
}

.arrow-link:hover span {
  transform: translate(3px, -3px);
}

.about-section {
  background: #091317;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle-card {
  position: relative;
  min-height: 330px;
  padding: 39px 39px 36px;
  border-right: 1px solid var(--line);
  transition: background 0.35s ease;
}

.principle-card:last-child {
  border-right: 0;
}

.principle-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 0.35s ease, transform 0.35s var(--ease);
}

.principle-card:hover {
  background: rgba(105, 208, 195, 0.035);
}

.principle-card:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.card-number {
  position: absolute;
  top: 39px;
  right: 39px;
  color: var(--muted-2);
  font-family: Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.principle-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 57px;
  border: 1px solid var(--line);
  background: rgba(105, 208, 195, 0.025);
}

.principle-icon svg {
  width: 30px;
  fill: none;
  stroke: var(--teal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.principle-card h3 {
  margin: 0 0 16px;
  font-size: 21px;
  font-weight: 500;
}

.principle-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.capability-section {
  overflow: hidden;
  background: var(--bg-deep);
}

.capability-beam {
  position: absolute;
  top: -180px;
  left: 50%;
  width: 800px;
  height: 520px;
  border-radius: 50%;
  background: rgba(46, 142, 137, 0.08);
  filter: blur(120px);
  transform: translateX(-50%);
}

.center-heading {
  position: relative;
  z-index: 2;
  max-width: 770px;
  margin: 0 auto 70px;
  text-align: center;
}

.center-heading p {
  max-width: 590px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.capability-card {
  position: relative;
  min-height: 472px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 32, 36, 0.84), rgba(8, 18, 21, 0.88));
  transition: border-color 0.35s ease, transform 0.35s var(--ease);
}

.capability-card:hover {
  z-index: 2;
  border-color: rgba(105, 208, 195, 0.35);
  transform: translateY(-7px);
}

.capability-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 35%, rgba(105, 208, 195, 0.1), transparent 44%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.capability-card:hover::before {
  opacity: 1;
}

.capability-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 23px;
}

.capability-label,
.capability-no {
  color: var(--muted-2);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.17em;
}

.capability-arrow {
  color: var(--muted-2);
  font-size: 15px;
  transition: color 0.25s ease, transform 0.25s var(--ease);
}

.capability-card:hover .capability-arrow {
  color: var(--teal);
  transform: translate(3px, -3px);
}

.capability-graphic {
  position: relative;
  height: 218px;
  margin: 0 18px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-content {
  position: relative;
  z-index: 2;
  padding: 25px 23px;
}

.capability-content h3 {
  margin: 10px 0 12px;
  font-size: 21px;
  font-weight: 500;
}

.capability-content p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.sensing-graphic {
  display: grid;
  place-items: center;
  background-image:
    linear-gradient(rgba(105, 208, 195, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 208, 195, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

.sensor-core,
.sensor-ring,
.sensor-point {
  position: absolute;
  border-radius: 50%;
}

.sensor-core {
  width: 13px;
  height: 13px;
  background: var(--teal);
  box-shadow: 0 0 25px var(--teal);
}

.sensor-ring {
  border: 1px solid rgba(105, 208, 195, 0.25);
}

.ring-one {
  width: 52px;
  height: 52px;
}

.ring-two {
  width: 103px;
  height: 103px;
  border-style: dashed;
  animation: slow-spin 20s linear infinite;
}

.ring-three {
  width: 157px;
  height: 157px;
  border-color: rgba(105, 208, 195, 0.11);
}

.sensor-point {
  width: 6px;
  height: 6px;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(241, 162, 58, 0.7);
}

.point-a {
  top: 35px;
  left: 45px;
}

.point-b {
  right: 38px;
  bottom: 53px;
}

.point-c {
  bottom: 29px;
  left: 82px;
  background: var(--teal);
}

.chart-graphic {
  display: flex;
  align-items: center;
}

.chart-lines {
  position: absolute;
  inset: 22px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.chart-lines i {
  height: 1px;
  background: rgba(105, 208, 195, 0.08);
}

.chart-graphic svg {
  position: relative;
  z-index: 2;
  width: 100%;
}

.chart-area {
  fill: url("#chart-fill");
  fill: rgba(105, 208, 195, 0.08);
}

.chart-stroke {
  fill: none;
  stroke: var(--teal);
  stroke-width: 2;
  stroke-linecap: round;
}

.chart-graphic circle {
  fill: var(--orange);
  stroke: rgba(241, 162, 58, 0.26);
  stroke-width: 8;
}

.data-graphic {
  display: grid;
  place-items: center;
}

.data-hub {
  position: relative;
  z-index: 3;
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(105, 208, 195, 0.45);
  border-radius: 50%;
  background: #102428;
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.12em;
  box-shadow: 0 0 35px rgba(105, 208, 195, 0.11);
}

.data-node {
  position: absolute;
  z-index: 2;
  width: 13px;
  height: 13px;
  border: 3px solid #0b171b;
  border-radius: 50%;
  background: var(--teal);
}

.data-node-a { top: 35px; left: 41px; }
.data-node-b { top: 43px; right: 43px; background: var(--orange); }
.data-node-c { bottom: 36px; right: 53px; }
.data-node-d { bottom: 42px; left: 50px; background: var(--orange); }

.data-line {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 99px;
  height: 1px;
  background: linear-gradient(90deg, rgba(105, 208, 195, 0.4), rgba(105, 208, 195, 0.06));
  transform-origin: left;
}

.data-line-a { transform: rotate(-139deg); }
.data-line-b { transform: rotate(-42deg); }
.data-line-c { transform: rotate(40deg); }
.data-line-d { transform: rotate(139deg); }

.collaboration-graphic {
  display: grid;
  place-items: center;
}

.collab-center {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(105, 208, 195, 0.42);
  border-radius: 50%;
  background: rgba(105, 208, 195, 0.06);
}

.collab-center svg {
  width: 25px;
  fill: none;
  stroke: var(--teal);
  stroke-linecap: round;
}

.collab-item {
  position: absolute;
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: rgba(13, 28, 32, 0.9);
  color: #9db2b0;
  font-size: 10px;
}

.collab-item::after {
  content: "";
  position: absolute;
  background: rgba(105, 208, 195, 0.23);
}

.item-a { top: 31px; left: 29px; }
.item-a::after { top: 28px; left: 50%; width: 1px; height: 49px; transform: rotate(-35deg); transform-origin: top; }
.item-b { top: 37px; right: 25px; }
.item-b::after { top: 28px; right: 50%; width: 1px; height: 45px; transform: rotate(35deg); transform-origin: top; }
.item-c { right: 50%; bottom: 23px; transform: translateX(50%); }
.item-c::after { right: 50%; bottom: 28px; width: 1px; height: 51px; }

.solution-section {
  background: #0a1519;
}

.solution-heading {
  align-items: center;
}

.solution-heading > p {
  max-width: 540px;
}

.solution-shell {
  display: grid;
  grid-template-columns: 315px 1fr;
  min-height: 590px;
  border: 1px solid var(--line-strong);
  background: var(--bg-deep);
}

.solution-tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}

.solution-tab {
  position: relative;
  min-height: 102px;
  display: flex;
  align-items: center;
  gap: 19px;
  padding: 0 28px;
  border: 0;
  border-bottom: 1px solid var(--line);
  outline: none;
  background: transparent;
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease;
}

.solution-tab::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 3px;
  background: var(--teal);
  opacity: 0;
  transform: scaleY(0.25);
  transition: opacity 0.25s ease, transform 0.25s var(--ease);
}

.solution-tab span {
  color: var(--muted-2);
  font-family: Arial, sans-serif;
  font-size: 9px;
}

.solution-tab:hover,
.solution-tab.active {
  background: linear-gradient(90deg, rgba(105, 208, 195, 0.075), transparent);
  color: var(--text);
}

.solution-tab.active::before {
  opacity: 1;
  transform: scaleY(1);
}

.solution-tab:focus-visible {
  box-shadow: inset 0 0 0 2px var(--teal);
}

.solution-stage {
  position: relative;
  min-width: 0;
}

.solution-panel {
  height: 100%;
  min-height: 590px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  animation: panel-enter 0.45s var(--ease);
}

.solution-panel[hidden] {
  display: none !important;
}

.solution-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 55px 25px 55px 55px;
}

.solution-kicker {
  margin-bottom: 20px;
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.2em;
}

.solution-copy h3 {
  margin: 0 0 23px;
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.solution-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 2;
}

.solution-copy ul {
  display: grid;
  gap: 13px;
  margin: 29px 0 0;
  padding: 25px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.solution-copy li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: #bdcac8;
  font-size: 12px;
}

.solution-copy li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px rgba(105, 208, 195, 0.6);
}

.solution-visual {
  position: relative;
  min-height: 590px;
  overflow: hidden;
  background:
    radial-gradient(circle at 55% 52%, rgba(42, 129, 125, 0.19), transparent 42%),
    linear-gradient(145deg, #102328, #071014);
}

.solution-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(105, 208, 195, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 208, 195, 0.065) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, transparent 5%, black, transparent 95%);
}

.landscape-lines {
  position: absolute;
  right: -10%;
  bottom: 21%;
  left: -10%;
  z-index: 1;
  height: 42%;
  border-top: 1px solid rgba(105, 208, 195, 0.19);
  border-radius: 50% 45% 0 0;
  transform: perspective(300px) rotateX(62deg);
  background-image: repeating-radial-gradient(ellipse at center, transparent 0 28px, rgba(105, 208, 195, 0.11) 29px 30px);
}

.pumpjack {
  position: absolute;
  z-index: 3;
  top: 25%;
  left: 41%;
  width: 210px;
  height: 245px;
  filter: drop-shadow(0 18px 18px rgba(0, 0, 0, 0.38));
}

.pumpjack span {
  position: absolute;
  display: block;
  background: #74b8b2;
  box-shadow: 0 0 10px rgba(105, 208, 195, 0.1);
}

.pump-base {
  bottom: 12px;
  left: 36px;
  width: 154px;
  height: 7px;
}

.pump-pillar {
  bottom: 18px;
  left: 99px;
  width: 9px;
  height: 137px;
  transform: skew(-10deg);
}

.pump-beam {
  top: 64px;
  left: 38px;
  width: 163px;
  height: 10px;
  transform: rotate(-8deg);
  transform-origin: 60% 50%;
  animation: pump 4.8s ease-in-out infinite;
}

.pump-head {
  top: 48px;
  left: 21px;
  width: 39px;
  height: 44px;
  border-radius: 55% 15% 15% 55%;
  background: var(--orange) !important;
  transform: rotate(-8deg);
}

.pump-wire {
  top: 84px;
  left: 28px;
  width: 2px;
  height: 120px;
  background: #ca9955 !important;
}

.scene-node {
  position: absolute;
  z-index: 4;
  width: 10px;
  height: 10px;
  border: 2px solid #d6fbf5;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 8px rgba(105, 208, 195, 0.09), 0 0 24px var(--teal);
}

.scene-node-a { top: 24%; left: 20%; }
.scene-node-b { right: 18%; bottom: 25%; background: var(--orange); box-shadow: 0 0 0 8px rgba(241, 162, 58, 0.08), 0 0 24px var(--orange); }

.scene-data-card {
  position: absolute;
  right: 7%;
  bottom: 9%;
  z-index: 5;
  width: 150px;
  padding: 16px 17px;
  border: 1px solid rgba(105, 208, 195, 0.23);
  background: rgba(7, 17, 20, 0.83);
  backdrop-filter: blur(10px);
}

.scene-data-card small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-2);
  font-size: 9px;
}

.scene-data-card strong {
  font-size: 13px;
  font-weight: 500;
}

.scene-data-card > span {
  height: 3px;
  display: block;
  margin-top: 12px;
  overflow: hidden;
  background: rgba(105, 208, 195, 0.1);
}

.scene-data-card > span i {
  width: 76%;
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--teal), var(--orange));
}

.gasfield-visual {
  background:
    radial-gradient(circle at 50% 43%, rgba(105, 208, 195, 0.18), transparent 34%),
    linear-gradient(145deg, #0d2428, #071014);
}

.gas-rings {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
}

.gas-rings i {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(105, 208, 195, 0.18);
  border-radius: 50%;
}

.gas-rings i:nth-child(2) { inset: 48px; border-style: dashed; animation: slow-spin 30s linear infinite reverse; }
.gas-rings i:nth-child(3) { inset: 96px; border-color: rgba(241, 162, 58, 0.3); }

.gas-station {
  position: absolute;
  z-index: 3;
  top: 39%;
  left: 50%;
  width: 160px;
  height: 150px;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 17px;
  transform: translateX(-50%);
}

.gas-station span {
  width: 29px;
  border: 1px solid #72b5af;
  border-radius: 12px 12px 2px 2px;
  background: linear-gradient(90deg, rgba(105, 208, 195, 0.1), rgba(105, 208, 195, 0.25), rgba(105, 208, 195, 0.05));
}

.gas-station span:nth-child(1) { height: 93px; }
.gas-station span:nth-child(2) { height: 132px; border-color: #c38b45; }
.gas-station span:nth-child(3) { height: 75px; }

.gas-pipe {
  position: absolute;
  z-index: 2;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
}

.pipe-a { top: 61%; right: 50%; left: 7%; }
.pipe-b { top: 61%; right: 7%; left: 50%; background: linear-gradient(90deg, var(--teal), var(--orange), transparent); }

.safety-visual {
  background: linear-gradient(145deg, #112328, #071014);
}

.safety-map {
  position: absolute;
  z-index: 1;
  inset: 10%;
  opacity: 0.35;
  background:
    linear-gradient(33deg, transparent 48%, rgba(105, 208, 195, 0.18) 49%, rgba(105, 208, 195, 0.18) 50%, transparent 51%),
    linear-gradient(-25deg, transparent 48%, rgba(105, 208, 195, 0.12) 49%, rgba(105, 208, 195, 0.12) 50%, transparent 51%);
  background-size: 90px 80px, 120px 100px;
}

.route {
  position: absolute;
  z-index: 3;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--teal), var(--orange));
  box-shadow: 0 0 15px rgba(105, 208, 195, 0.25);
}

.route-a { top: 48%; left: 10%; width: 65%; transform: rotate(-12deg); }
.route-b { top: 49%; right: 8%; width: 31%; transform: rotate(32deg); transform-origin: right; }

.alert-point {
  position: absolute;
  z-index: 5;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  border: 1px solid var(--orange);
  border-radius: 50%;
}

.alert-point::before,
.alert-point::after {
  content: "";
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(241, 162, 58, 0.3);
  border-radius: 50%;
  animation: signal-pulse 2.2s ease-out infinite;
}

.alert-point::after { inset: -21px; animation-delay: 0.5s; }
.alert-point i { width: 5px; height: 5px; border-radius: 50%; background: var(--orange); }
.alert-a { top: 28%; left: 28%; }
.alert-b { top: 45%; left: 61%; }
.alert-c { right: 18%; bottom: 25%; }

.platform-section {
  background: var(--cream);
  color: #0b191b;
}

.platform-section .section-index {
  color: #257e7c;
}

.platform-section .center-heading p {
  color: #667675;
}

.platform-section .center-heading {
  max-width: 980px;
}

.platform-map {
  position: relative;
  max-width: 1100px;
  display: grid;
  gap: 10px;
  margin: 0 auto;
}

.platform-axis {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 88px;
  z-index: 3;
  width: 1px;
  background: linear-gradient(to bottom, #3c9894, rgba(60, 152, 148, 0.1));
}

.platform-layer {
  position: relative;
  min-height: 115px;
  display: grid;
  grid-template-columns: 88px minmax(330px, 1fr) 1fr;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(11, 25, 27, 0.13);
  background: rgba(255, 255, 255, 0.38);
  transition: transform 0.3s var(--ease), border-color 0.3s ease, background 0.3s ease;
}

.platform-layer:hover {
  z-index: 4;
  border-color: rgba(39, 126, 124, 0.4);
  background: rgba(255, 255, 255, 0.66);
  transform: translateX(7px);
}

.layer-index {
  align-self: stretch;
  display: grid;
  place-items: center;
  border-right: 1px solid rgba(11, 25, 27, 0.1);
  color: #5f7473;
  font-family: Arial, sans-serif;
  font-size: 10px;
}

.layer-copy {
  padding: 0 40px;
}

.layer-copy small {
  color: #398682;
  font-family: Arial, sans-serif;
  font-size: 8px;
  letter-spacing: 0.17em;
}

.layer-copy h3 {
  display: inline;
  margin: 0 18px 0 10px;
  font-size: 20px;
  font-weight: 600;
}

.layer-copy p {
  display: inline;
  margin: 0;
  color: #6b7978;
  font-size: 11px;
}

.layer-visual {
  position: relative;
  height: 100%;
  border-left: 1px solid rgba(11, 25, 27, 0.08);
}

.app-blocks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.app-blocks i {
  width: 74px;
  height: 45px;
  border: 1px solid rgba(39, 126, 124, 0.25);
  background: linear-gradient(135deg, rgba(39, 126, 124, 0.03), rgba(39, 126, 124, 0.12));
  box-shadow: 5px 5px 0 rgba(39, 126, 124, 0.06);
}

.engine-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
}

.engine-wave i {
  width: 6px;
  border-radius: 5px;
  background: #4a9995;
}

.engine-wave i:nth-child(1) { height: 25px; }
.engine-wave i:nth-child(2) { height: 52px; }
.engine-wave i:nth-child(3) { height: 74px; background: #e1a24c; }
.engine-wave i:nth-child(4) { height: 45px; }
.engine-wave i:nth-child(5) { height: 31px; }

.connect-nodes {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 60px;
}

.connect-nodes i {
  position: relative;
  z-index: 2;
  width: 13px;
  height: 13px;
  border: 3px solid var(--cream);
  border-radius: 50%;
  background: #3e918e;
  box-shadow: 0 0 0 1px rgba(39, 126, 124, 0.25);
}

.connect-nodes b {
  position: absolute;
  right: 18%;
  left: 18%;
  height: 1px;
  background: linear-gradient(90deg, #3e918e, #e1a24c, #3e918e);
}

.field-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.field-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3e918e;
  box-shadow: 0 0 0 8px rgba(62, 145, 142, 0.07);
}

.field-dots i:nth-child(even) {
  background: #d99842;
}

.tech-values {
  max-width: 1100px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 42px auto 0;
  border-top: 1px solid rgba(11, 25, 27, 0.13);
}

.tech-values > div {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 24px 20px;
  border-right: 1px solid rgba(11, 25, 27, 0.1);
}

.tech-values > div:last-child {
  border-right: 0;
}

.tech-values strong {
  color: #318784;
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 500;
}

.tech-values span {
  font-size: 12px;
}

.contact-section {
  position: relative;
  min-height: 550px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 50%, rgba(105, 208, 195, 0.16), transparent 28%),
    linear-gradient(110deg, #0b2427, #071014 62%);
}

.contact-grid {
  mask-image: linear-gradient(to right, black, transparent 82%);
}

.contact-inner {
  position: relative;
  z-index: 3;
}

.contact-kicker {
  display: block;
  margin-bottom: 21px;
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.24em;
}

.contact-inner h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(39px, 4.5vw, 61px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.04em;
}

.contact-inner p {
  margin: 22px 0 31px;
  color: var(--muted);
  font-size: 14px;
}

.button-light {
  background: var(--cream);
  color: var(--dark-ink);
}

.button-light:hover {
  background: #fff;
}

.contact-emblem {
  position: absolute;
  top: 50%;
  right: max(4vw, calc((100vw - var(--container)) / 2));
  width: min(34vw, 420px);
  transform: translateY(-50%);
  opacity: 0.25;
}

.contact-emblem svg {
  width: 100%;
  fill: rgba(105, 208, 195, 0.03);
  stroke: var(--teal);
  stroke-width: 1;
}

.contact-emblem::after {
  content: "";
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  background: var(--teal);
  filter: blur(80px);
  opacity: 0.2;
}

.site-footer {
  background: #040a0d;
}

.footer-main {
  display: grid;
  grid-template-columns: 250px 1fr auto;
  gap: 50px;
  align-items: center;
  padding-top: 62px;
  padding-bottom: 55px;
  border-bottom: 1px solid var(--line);
}

.footer-main > p {
  margin: 0;
  color: var(--muted-2);
  font-size: 12px;
}

.footer-nav {
  display: flex;
  gap: 27px;
  color: #9dafad;
  font-size: 12px;
}

.footer-nav a:hover {
  color: var(--teal);
}

.filing-wrap {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 50px;
  align-items: center;
  padding-top: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.filing-title {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.filing-title span {
  color: #b4c1c0;
  font-size: 12px;
}

.filing-title small {
  color: var(--muted-2);
  font-family: Arial, sans-serif;
  font-size: 7px;
  letter-spacing: 0.18em;
}

.filing-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.filing-list.filing-count-1 {
  grid-template-columns: minmax(0, 1fr);
}

.filing-list.filing-count-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.filing-item {
  min-height: 39px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 10px;
  white-space: nowrap;
}

a.filing-item {
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

a.filing-item:hover {
  border-color: rgba(105, 208, 195, 0.35);
  background: rgba(105, 208, 195, 0.04);
  color: var(--teal);
}

.footer-bottom {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #526263;
  font-size: 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes pulse {
  0% { opacity: 1; transform: scale(0.65); }
  80%, 100% { opacity: 0; transform: scale(1.5); }
}

@keyframes signal-pulse {
  0% { opacity: 0.9; transform: scale(0.45); transform-origin: center; }
  85%, 100% { opacity: 0; transform: scale(1.2); transform-origin: center; }
}

@keyframes flow {
  to { stroke-dashoffset: -48; }
}

@keyframes slow-spin {
  to { transform: rotate(360deg); }
}

@keyframes panel-scan {
  0%, 20% { left: -45%; }
  70%, 100% { left: 125%; }
}

@keyframes pump {
  0%, 100% { transform: rotate(-8deg); }
  50% { transform: rotate(2deg); }
}

@keyframes panel-enter {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 1120px) {
  .desktop-nav {
    gap: 24px;
    margin-right: 26px;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 30px;
  }

  .field-map {
    min-height: 365px;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-shell {
    grid-template-columns: 270px 1fr;
  }

  .solution-panel {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .solution-copy {
    padding-left: 36px;
  }
}

@media (max-width: 900px) {
  .desktop-nav,
  .nav-contact {
    display: none;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--line);
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 18px;
    height: 1px;
    background: #d2ddda;
    transition: transform 0.25s ease;
  }

  .menu-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .mobile-nav {
    position: absolute;
    top: 80px;
    right: 0;
    left: 0;
    height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    padding: 27px 24px;
    background: rgba(4, 11, 14, 0.98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  }

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

  .mobile-nav a {
    padding: 20px 4px;
    border-bottom: 1px solid var(--line);
    color: #bdc9c7;
    font-size: 17px;
  }

  .hero {
    padding-top: 130px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 68px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-visual {
    width: 92%;
    margin-left: auto;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .heading-copy,
  .solution-heading > p {
    max-width: 650px;
  }

  .solution-shell {
    grid-template-columns: 1fr;
  }

  .solution-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .solution-tab {
    min-height: 84px;
    justify-content: center;
    padding: 15px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    text-align: center;
  }

  .solution-tab:last-child {
    border-right: 0;
  }

  .solution-tab::before {
    top: auto;
    right: 0;
    bottom: -1px;
    width: auto;
    height: 3px;
    transform: scaleX(0.25);
  }

  .solution-tab.active::before {
    transform: scaleX(1);
  }

  .contact-emblem {
    right: -7%;
    width: 50vw;
    opacity: 0.17;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-nav {
    grid-column: 1 / -1;
  }

  .filing-wrap {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 70px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .nav-wrap {
    height: 70px;
  }

  .brand-mark {
    width: 33px;
    height: 33px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .mobile-nav {
    top: 70px;
    height: calc(100vh - 70px);
  }

  .hero {
    padding: 112px 0 27px;
  }

  .hero-grid {
    background-size: 48px 48px;
  }

  .hero h1 {
    font-size: clamp(40px, 12.2vw, 58px);
    line-height: 1.18;
  }

  .hero-copy > p {
    font-size: 14px;
    line-height: 1.85;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .hero-tags {
    margin-top: 36px;
  }

  .hero-visual {
    width: 100%;
  }

  .system-panel {
    transform: none;
  }

  .panel-head {
    height: 67px;
    padding: 0 16px;
  }

  .panel-head strong {
    font-size: 14px;
  }

  .field-map {
    min-height: 285px;
  }

  .pressure-card {
    top: 13px;
    right: 10px;
    width: 116px;
  }

  .sync-card {
    right: 11px;
    bottom: 19px;
  }

  .panel-foot {
    height: 44px;
    gap: 11px;
    padding: 0 15px;
  }

  .panel-time {
    display: none !important;
  }

  .hero-bottom {
    flex-wrap: wrap;
  }

  .hero-line {
    min-width: 40%;
  }

  .hero-pill-list {
    width: 100%;
  }

  .section {
    padding: 90px 0;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .split-heading,
  .center-heading {
    margin-bottom: 49px;
  }

  .principle-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .principle-card {
    min-height: auto;
    padding: 30px 25px 32px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle-card:last-child {
    border-bottom: 0;
  }

  .principle-icon {
    margin-bottom: 35px;
  }

  .card-number {
    top: 30px;
    right: 25px;
  }

  .capability-card {
    min-height: 450px;
  }

  .solution-tabs {
    grid-template-columns: 1fr;
  }

  .solution-tab {
    min-height: 64px;
    justify-content: flex-start;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
  }

  .solution-panel {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .solution-copy {
    padding: 40px 27px;
  }

  .solution-copy h3 {
    font-size: 28px;
  }

  .solution-visual {
    min-height: 430px;
  }

  .pumpjack {
    left: 31%;
  }

  .platform-axis {
    left: 55px;
  }

  .platform-layer {
    min-height: 150px;
    grid-template-columns: 55px 1fr;
  }

  .layer-copy {
    padding: 0 22px;
  }

  .layer-copy h3,
  .layer-copy p {
    display: block;
  }

  .layer-copy h3 {
    margin: 6px 0 7px;
  }

  .layer-visual {
    display: none;
  }

  .tech-values {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-values > div:nth-child(2) {
    border-right: 0;
  }

  .contact-section {
    min-height: 530px;
  }

  .contact-emblem {
    top: 59%;
    right: -22%;
    width: 78vw;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .footer-nav {
    grid-column: auto;
    flex-wrap: wrap;
  }

  .filing-list {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}