* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

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

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--ac-white);
  color: var(--ac-navy);
  font-weight: var(--fw-semibold);
  transition: transform var(--dur-fast) var(--ease-out);
}

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

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.container {
  width: min(100% - (var(--container-pad) * 2), var(--container-max));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-y);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--ac-blue);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-eyebrow);
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow-inverse {
  color: var(--ac-sky-200);
}

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

h1,
h2,
h3 {
  color: var(--text-heading);
  letter-spacing: var(--ls-heading);
  line-height: var(--lh-heading);
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 5vw, var(--fs-display));
  line-height: 1.02;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(34px, 4vw, var(--fs-h1));
}

h3 {
  margin-bottom: 10px;
  font-size: var(--fs-h4);
}

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

.section-lead {
  margin-bottom: 22px;
  color: var(--text-muted);
  font-size: var(--fs-lead);
  line-height: 1.55;
}

.section-copy-centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(1px);
}

.button svg,
.text-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}

.button-primary {
  background: var(--ac-sky);
  color: var(--ac-navy-deep);
  box-shadow: 0 10px 26px rgba(0, 22, 47, 0.2);
}

.button-primary:hover {
  background: var(--ac-sky-400);
  box-shadow: 0 14px 30px rgba(0, 22, 47, 0.28);
}

.button-secondary {
  border-color: var(--ac-blue);
  background: var(--ac-white);
  color: var(--ac-blue);
}

.button-secondary:hover {
  background: var(--ac-sky-50);
  color: var(--ac-navy);
}

.button-outline-inverse {
  border-color: rgba(255, 255, 255, 0.42);
  background: transparent;
  color: var(--ac-white);
}

.button-outline-inverse:hover {
  border-color: var(--ac-white);
  background: rgba(255, 255, 255, 0.08);
}

.button-small {
  min-height: 40px;
  padding: 9px 16px;
  background: var(--ac-sky);
  color: var(--ac-navy-deep);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ac-blue);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
}

.text-link:hover {
  color: var(--ac-navy);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.muted-link {
  color: var(--text-muted);
  cursor: default;
}

.muted-link:hover {
  color: var(--text-muted);
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 84px;
  margin-bottom: -84px;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--ac-white);
  transition:
    height var(--dur) var(--ease-out),
    background var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    backdrop-filter var(--dur) var(--ease-out);
}

.site-header.is-scrolled,
.site-header.is-open {
  height: 70px;
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(0, 35, 71, 0.94);
  backdrop-filter: blur(12px) saturate(135%);
}

.header-inner {
  display: grid;
  height: 100%;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  width: 126px;
  align-items: center;
}

.brand img {
  width: 126px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.desktop-nav a {
  position: relative;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: var(--fw-medium);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  background: rgba(255, 255, 255, 0.07);
  color: var(--ac-white);
}

.desktop-nav a.is-active::after {
  position: absolute;
  right: 13px;
  bottom: 4px;
  left: 13px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--ac-sky);
  content: "";
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 0;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ac-white);
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: currentColor;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  top: 70px;
  right: 0;
  left: 0;
  max-height: calc(100vh - 70px);
  overflow: auto;
  padding: 10px var(--container-pad) 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  background: var(--ac-navy-deep);
  box-shadow: var(--shadow-lg);
}

.mobile-nav a {
  display: block;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  padding: 172px 0 0;
  background:
    radial-gradient(circle at 82% 14%, rgba(77, 147, 217, 0.4), transparent 32%),
    radial-gradient(circle at 12% 92%, rgba(77, 147, 217, 0.18), transparent 28%),
    linear-gradient(135deg, var(--ac-navy-deep) 0%, var(--ac-navy) 52%, var(--ac-blue-600) 100%);
  color: var(--ac-white);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.flow-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  pointer-events: none;
}

.flow-lines path {
  fill: none;
  stroke: var(--ac-sky-200);
  stroke-width: 1.2;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(500px, 1.06fr);
  align-items: center;
  gap: 58px;
  padding-bottom: 84px;
}

.hero-copy h1 {
  max-width: 760px;
  color: var(--ac-white);
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-lead);
  line-height: 1.55;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 34px 0 0;
  padding: 0;
  color: var(--ac-sky-200);
  font-size: var(--fs-caption);
  list-style: none;
}

.hero-proof li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-proof svg {
  width: 16px;
  height: 16px;
  color: var(--ac-sky);
  stroke-width: 1.75;
}

.hydraulic-console {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  background: rgba(0, 31, 64, 0.76);
  box-shadow: 0 34px 80px rgba(0, 15, 32, 0.42);
  backdrop-filter: blur(12px);
}

.console-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.console-topbar > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.console-topbar strong {
  color: var(--ac-white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}

.console-kicker,
.chart-heading,
.console-metrics span,
.board-header,
.service-tag {
  color: var(--ac-sky-200);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-dot,
.content-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.status-dot > span,
.content-status > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #65c99a;
  box-shadow: 0 0 0 4px rgba(101, 201, 154, 0.13);
}

.console-tabs {
  display: flex;
  gap: 2px;
  padding: 10px 12px 0;
}

.console-tabs button {
  flex: 1;
  padding: 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.58);
  cursor: pointer;
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.console-tabs button:hover,
.console-tabs button[aria-selected="true"] {
  border-color: var(--ac-sky);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ac-white);
}

.console-panel {
  min-height: 390px;
  padding: 22px 22px 0;
}

.chart-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: rgba(179, 209, 240, 0.62);
}

.profile-chart {
  width: 100%;
  height: 280px;
}

.grid-lines path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.065);
  stroke-width: 1;
}

.terrain-fill {
  fill: rgba(255, 255, 255, 0.045);
}

.terrain-line {
  fill: none;
  stroke: rgba(255, 255, 255, 0.52);
  stroke-width: 2;
}

.hydraulic-area {
  fill: url(#area-operacao);
}

.hydraulic-line,
.envelope-max {
  fill: none;
  stroke: var(--ac-sky);
  stroke-width: 3;
}

.chart-points circle {
  fill: var(--ac-navy-deep);
  stroke: var(--ac-sky);
  stroke-width: 2;
}

.envelope-band {
  fill: rgba(77, 147, 217, 0.16);
}

.envelope-min {
  fill: none;
  stroke: var(--ac-sky-200);
  stroke-dasharray: 7 7;
  stroke-width: 2;
}

.axis-center {
  fill: none;
  stroke: rgba(255, 255, 255, 0.2);
  stroke-width: 1;
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 -22px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.console-metrics > div {
  min-width: 0;
  padding: 16px 18px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
}

.console-metrics > div:last-child {
  border-right: 0;
}

.console-metrics span,
.console-metrics strong {
  display: block;
}

.console-metrics span {
  margin-bottom: 4px;
  color: rgba(179, 209, 240, 0.56);
}

.console-metrics strong {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  font-weight: var(--fw-medium);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.system-schematic {
  position: relative;
  display: grid;
  min-height: 280px;
  grid-template-columns: 1fr 0.8fr 0.7fr 0.8fr 0.9fr 0.8fr 1fr;
  align-items: center;
  gap: 0;
}

.reservoir,
.pump,
.protection,
.delivery {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-md);
  background: var(--ac-navy-deep);
  color: var(--ac-sky-200);
  font-size: 10px;
  text-align: center;
}

.reservoir,
.delivery {
  min-height: 96px;
  border-radius: var(--radius-sm) var(--radius-sm) 14px 14px;
}

.pump {
  width: 60px;
  height: 60px;
  min-height: auto;
  justify-self: center;
  border-radius: 50%;
}

.protection {
  width: 72px;
  height: 90px;
  justify-self: center;
}

.pump svg,
.protection svg {
  width: 22px;
  height: 22px;
  color: var(--ac-sky);
  stroke-width: 1.75;
}

.pipe {
  position: relative;
  z-index: 1;
  height: 5px;
  background: var(--ac-sky);
  box-shadow: 0 0 16px rgba(77, 147, 217, 0.5);
}

.schematic-wave {
  position: absolute;
  top: 16px;
  right: 0;
  left: 0;
  width: 100%;
  height: 110px;
  opacity: 0.46;
}

.schematic-wave path {
  fill: none;
  stroke: var(--ac-sky-200);
  stroke-dasharray: 5 7;
  stroke-width: 1.4;
}

.specialty-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.specialty-strip span {
  padding: 22px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.64);
  font-size: var(--fs-caption);
  text-align: center;
}

.specialty-strip span:last-child {
  border-right: 0;
}

.about {
  background: var(--ac-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 72px;
}

.expertise-board {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--ac-slate-50);
  box-shadow: var(--shadow-sm);
}

.board-header {
  display: flex;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.board-code {
  color: var(--ac-blue);
}

.network-map {
  position: relative;
  min-height: 360px;
  background:
    linear-gradient(var(--ac-slate-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--ac-slate-100) 1px, transparent 1px);
  background-size: 36px 36px;
}

.network-map svg {
  width: 100%;
  height: 360px;
}

.network-lines path {
  fill: none;
  stroke: var(--ac-sky-200);
  stroke-width: 3;
}

.network-nodes circle {
  fill: var(--ac-white);
  stroke: var(--ac-blue);
  stroke-width: 4;
}

.map-label {
  position: absolute;
  padding: 5px 8px;
  border: 1px solid var(--ac-sky-200);
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ac-navy);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.09em;
}

.label-model {
  top: 14%;
  left: 31%;
}

.label-analysis {
  top: 27%;
  right: 22%;
}

.label-decision {
  right: 9%;
  bottom: 45%;
}

.board-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  background: var(--ac-white);
}

.board-footer > div {
  display: flex;
  padding: 14px;
  align-items: center;
  gap: 10px;
  border-right: 1px solid var(--border);
}

.board-footer > div:last-child {
  border-right: 0;
}

.board-footer strong {
  color: var(--ac-sky);
  font-family: var(--font-mono);
  font-size: 12px;
}

.board-footer span {
  color: var(--text-muted);
  font-size: 12px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 72px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--border);
}

.value-item {
  display: flex;
  min-height: 162px;
  gap: 14px;
  padding: 26px 22px;
  background: var(--ac-white);
}

.value-item > svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: var(--ac-blue);
  stroke-width: 1.75;
}

.value-item h3 {
  margin-bottom: 6px;
  font-size: 17px;
}

.value-item p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.5;
}

.services-section {
  background: var(--ac-slate-50);
}

.service-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 42px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.filter-chip {
  min-height: 38px;
  padding: 8px 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--ac-white);
  color: var(--text-muted);
  cursor: pointer;
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.filter-chip:hover,
.filter-chip.is-active {
  border-color: var(--ac-blue);
  background: var(--ac-blue);
  color: var(--ac-white);
}

.filter-result {
  margin-left: auto;
  color: var(--text-muted);
  font-size: var(--fs-caption);
}

.filter-result strong {
  color: var(--ac-navy);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.service-card {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--ac-sky-200);
  box-shadow: var(--shadow-md);
}

.service-card.is-filtered {
  display: none;
}

.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.service-number {
  color: var(--ac-sky);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
}

.service-tag {
  color: var(--ac-blue);
}

.service-card h3 {
  font-size: var(--fs-h3);
}

.service-card > p {
  margin-bottom: 28px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.service-card details {
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.service-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  color: var(--ac-blue);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  list-style: none;
}

.service-card summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.service-card summary svg {
  width: 17px;
  height: 17px;
  transition: transform var(--dur) var(--ease-out);
}

.service-card details[open] summary svg {
  transform: rotate(180deg);
}

.service-detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  padding-top: 16px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.service-detail strong {
  color: var(--text-strong);
  font-weight: var(--fw-semibold);
}

.engagement {
  background: var(--ac-white);
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 46px;
}

.engagement-card {
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--ac-white);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.engagement-card:hover {
  transform: translateY(-3px);
  border-color: var(--ac-sky-200);
  box-shadow: var(--shadow-md);
}

.engagement-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  border-radius: var(--radius-md);
  background: var(--ac-sky-50);
  color: var(--ac-blue);
}

.engagement-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.75;
}

.engagement-card h3 {
  margin-top: 12px;
}

.engagement-card p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.process-section {
  background: var(--surface-tint);
}

.process-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 76px;
}

.process-intro {
  position: sticky;
  top: 120px;
  align-self: start;
}

.process-note {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  padding: 20px;
  border: 1px solid var(--ac-sky-200);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
}

.process-note svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  color: var(--ac-blue);
  stroke-width: 1.75;
}

.process-note p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.process-note strong {
  color: var(--text-heading);
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  position: relative;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  padding-bottom: 36px;
}

.process-list li::before {
  position: absolute;
  top: 50px;
  bottom: 0;
  left: 24px;
  width: 1px;
  background: var(--ac-sky-200);
  content: "";
}

.process-list li:last-child::before {
  display: none;
}

.process-list li > span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ac-sky-200);
  border-radius: 50%;
  background: var(--ac-white);
  color: var(--ac-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.process-list li:hover > span {
  border-color: var(--ac-blue);
  background: var(--ac-blue);
  color: var(--ac-white);
}

.process-list h3 {
  margin-bottom: 6px;
}

.process-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.applications {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 86%, rgba(77, 147, 217, 0.18), transparent 26%),
    var(--ac-navy);
  color: var(--ac-white);
}

.flow-lines-soft {
  opacity: 0.13;
}

.applications-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 72px;
}

.applications .section-copy h2,
.applications .section-lead {
  color: var(--ac-white);
}

.applications .section-lead {
  color: rgba(255, 255, 255, 0.74);
}

.application-list {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.application-list article {
  display: grid;
  grid-template-columns: 44px 1fr 24px;
  align-items: start;
  gap: 18px;
  padding: 28px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  transition: background var(--dur) var(--ease-out), padding var(--dur) var(--ease-out);
}

.application-list article:hover {
  padding-inline: 20px;
  background: rgba(255, 255, 255, 0.05);
}

.application-list article > span {
  color: var(--ac-sky);
  font-family: var(--font-mono);
  font-size: 12px;
}

.application-list h3 {
  margin-bottom: 5px;
  color: var(--ac-white);
  font-size: var(--fs-h4);
}

.application-list p {
  margin: 0;
  color: var(--ac-sky-200);
  font-size: var(--fs-sm);
}

.application-list svg {
  width: 21px;
  height: 21px;
  color: var(--ac-sky);
  stroke-width: 1.75;
}

.knowledge {
  background: var(--ac-white);
}

.content-status {
  flex: 0 0 auto;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.content-status > span {
  background: var(--ac-sky);
  box-shadow: 0 0 0 4px rgba(77, 147, 217, 0.12);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.knowledge-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--ac-white);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.knowledge-card:hover {
  transform: translateY(-3px);
  border-color: var(--ac-sky-200);
  box-shadow: var(--shadow-md);
}

.knowledge-card.featured {
  grid-row: span 2;
}

.knowledge-visual {
  min-height: 260px;
  padding: 22px;
  background: var(--ac-navy);
}

.knowledge-visual svg {
  width: 100%;
  height: 250px;
}

.knowledge-grid-line {
  fill: none;
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 1;
}

.wave-shadow,
.wave-main {
  fill: none;
  stroke-width: 2;
}

.wave-shadow {
  stroke: rgba(179, 209, 240, 0.45);
  stroke-dasharray: 6 7;
}

.wave-main {
  stroke: var(--ac-sky);
  stroke-width: 3;
}

.knowledge-body {
  padding: 28px;
}

.knowledge-body h3 {
  margin-top: 12px;
  font-size: var(--fs-h3);
}

.knowledge-body p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.faq-section {
  background: var(--ac-slate-50);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 72px;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  color: var(--text-heading);
  cursor: pointer;
  font-weight: var(--fw-semibold);
  list-style: none;
}

.faq-list summary svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--ac-blue);
  stroke-width: 1.75;
  transition: transform var(--dur) var(--ease-out);
}

.faq-list details[open] summary svg {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 650px;
  margin: -6px 0 24px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.contact-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 5% 15%, rgba(77, 147, 217, 0.18), transparent 25%),
    linear-gradient(120deg, var(--ac-navy-deep), var(--ac-navy));
  color: var(--ac-white);
}

.contact-section::after {
  position: absolute;
  right: -180px;
  bottom: -230px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(255, 255, 255, 0.025),
    0 0 0 140px rgba(255, 255, 255, 0.018);
  content: "";
  pointer-events: none;
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: start;
  gap: 72px;
}

.contact-intro h2,
.contact-intro .section-lead {
  color: var(--ac-white);
}

.contact-intro .section-lead {
  color: rgba(255, 255, 255, 0.76);
}

.contact-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 34px;
}

.contact-checklist > div {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--ac-sky-200);
  font-size: var(--fs-sm);
}

.contact-checklist svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--ac-sky);
  stroke-width: 2;
}

.contact-checklist strong {
  color: var(--ac-white);
}

.contact-data-note {
  display: flex;
  gap: 10px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.contact-data-note svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  stroke-width: 1.75;
}

.contact-card {
  min-height: 680px;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  background: var(--ac-white);
  box-shadow: var(--shadow-lg);
  color: var(--text-body);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--text-strong);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.field label span {
  color: var(--ac-danger);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--ac-white);
  color: var(--text-strong);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.field input,
.field select {
  min-height: 48px;
  padding: 10px 13px;
}

.field textarea {
  min-height: 124px;
  padding: 12px 13px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-faint);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: var(--shadow-focus);
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 22px 0;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
}

.checkbox-field input {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 2px;
  accent-color: var(--ac-blue);
}

.button-submit {
  width: 100%;
  background: var(--ac-blue);
  color: var(--ac-white);
  box-shadow: none;
}

.button-submit:hover {
  background: var(--ac-navy);
}

.form-note {
  margin: 12px 0 0;
  color: var(--text-faint);
  font-size: 11px;
  text-align: center;
}

.form-success {
  padding: 90px 40px;
  text-align: center;
}

.success-icon {
  display: inline-flex;
  width: 66px;
  height: 66px;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  border-radius: 50%;
  background: #e3f3ec;
  color: #166b47;
}

.success-icon svg {
  width: 34px;
  height: 34px;
  stroke-width: 2.2;
}

.form-success h3 {
  font-size: var(--fs-h3);
}

.form-success > p:not(.eyebrow) {
  max-width: 430px;
  margin: 0 auto 26px;
  color: var(--text-muted);
}

.site-footer {
  background: var(--ac-navy-deep);
  color: var(--ac-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 50px;
  padding-block: 76px 56px;
}

.footer-brand img {
  width: 138px;
  height: auto;
}

.footer-brand p {
  max-width: 340px;
  margin: 20px 0 0;
  color: var(--ac-sky-200);
  font-size: var(--fs-sm);
}

.site-footer h2 {
  margin: 0 0 17px;
  color: var(--ac-sky);
  font-size: 11px;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
}

.site-footer ul {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.site-footer a {
  color: var(--ac-sky-200);
  font-size: var(--fs-sm);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ac-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-block: 20px;
  color: rgba(179, 209, 240, 0.72);
  font-size: var(--fs-caption);
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .desktop-nav a {
    padding-inline: 9px;
    font-size: 13px;
  }

  .hero-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 34px;
  }

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

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

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

@media (max-width: 920px) {
  :root {
    --section-y: 76px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .menu-toggle {
    display: flex;
    grid-column: 3;
  }

  .hero {
    min-height: auto;
    padding-top: 150px;
  }

  .hero-grid,
  .about-grid,
  .process-grid,
  .applications-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 52px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hydraulic-console {
    width: min(100%, 700px);
  }

  .about-grid,
  .process-grid,
  .applications-grid,
  .faq-grid,
  .contact-grid {
    gap: 48px;
  }

  .process-intro {
    position: static;
  }

  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-card.featured {
    grid-row: auto;
  }

  .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .footer-grid > div:last-child {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  :root {
    --container-pad: 20px;
    --section-y: 64px;
  }

  html {
    scroll-padding-top: 70px;
  }

  body {
    font-size: 16px;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 132px;
  }

  .hero-grid {
    gap: 42px;
    padding-bottom: 60px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .hero-proof {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .button-row .button {
    width: 100%;
  }

  .console-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .console-panel {
    min-height: 350px;
    padding-inline: 14px;
  }

  .profile-chart {
    height: 245px;
  }

  .console-metrics {
    margin-inline: -14px;
  }

  .console-metrics > div {
    padding: 13px 10px 15px;
  }

  .console-metrics strong {
    font-size: 10px;
  }

  .console-metrics span {
    font-size: 8px;
  }

  .system-schematic {
    grid-template-columns: 1fr 0.5fr 0.75fr 0.5fr 0.8fr 0.5fr 1fr;
  }

  .reservoir,
  .delivery {
    font-size: 8px;
  }

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

  .specialty-strip span:nth-child(2) {
    border-right: 0;
  }

  .specialty-strip span:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .network-map,
  .network-map svg {
    min-height: 280px;
    height: 280px;
  }

  .value-grid,
  .services-grid,
  .engagement-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .value-grid {
    margin-top: 48px;
  }

  .field-full {
    grid-column: auto;
  }

  .service-toolbar {
    align-items: flex-start;
  }

  .filter-result {
    width: 100%;
    margin: 4px 0 0;
  }

  .service-card {
    min-height: 330px;
  }

  .engagement-grid {
    gap: 14px;
  }

  .engagement-card {
    min-height: auto;
  }

  .process-list li {
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }

  .process-list li > span {
    width: 42px;
    height: 42px;
  }

  .process-list li::before {
    top: 42px;
    left: 20px;
  }

  .application-list article {
    grid-template-columns: 34px 1fr;
  }

  .application-list article > svg {
    display: none;
  }

  .knowledge-visual,
  .knowledge-visual svg {
    min-height: 210px;
    height: 210px;
  }

  .contact-card {
    min-height: 0;
    padding: 24px 20px;
  }

  .form-success {
    padding: 60px 10px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 38px 24px;
    padding-block: 60px 44px;
  }

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

  .footer-grid > div:last-child {
    grid-column: auto;
  }

  .footer-bottom .container {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .console-tabs button {
    padding-inline: 4px;
    font-size: 11px;
  }

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

  .board-footer > div {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .board-footer > div:last-child {
    border-bottom: 0;
  }

  .filter-chip {
    flex: 1 1 calc(50% - 10px);
  }

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

  .footer-brand,
  .footer-grid > div:last-child {
    grid-column: auto;
  }
}

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

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

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}