:root {
  --how-carbon: #080a09;
  --how-graphite: #111411;
  --how-smoked: #1a1f1b;
  --how-mineral: #f2f4ef;
  --how-alloy: #a5aca4;
  --how-signal: #45b84a;
  --how-halo: #71f25f;
  --how-radius: 14px;
  --how-gutter: clamp(20px, 4vw, 72px);
  --how-section-space: clamp(6rem, 11vw, 11rem);
  --how-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  background: var(--how-carbon);
}

.how-page {
  background: var(--how-carbon);
}

.how-shell {
  width: min(100%, 1680px);
  margin: 0 auto;
  padding-right: var(--how-gutter);
  padding-left: var(--how-gutter);
}

.how-hero {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: min(100dvh, 920px);
  overflow: hidden;
  padding-top: 76px;
  border-bottom: 1px solid rgb(242 244 239 / 10%);
  background: var(--how-carbon);
}

.how-hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 65% center;
  transform: scale(1.025);
  animation: how-hero-settle 1.4s var(--how-ease) both;
}

.how-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgb(8 10 9 / 99%) 0%, rgb(8 10 9 / 92%) 39%, rgb(8 10 9 / 28%) 72%),
    linear-gradient(0deg, rgb(8 10 9 / 78%), transparent 52%);
}

.how-hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(4rem, 9vh, 7rem);
  padding-bottom: clamp(4rem, 8vh, 6rem);
  animation: how-copy-in 0.8s var(--how-ease) 0.08s both;
}

.how-hero-label,
.how-eyebrow,
.simulation-label,
.product-model-type {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--how-halo);
}

.how-hero-content h1 {
  max-width: 76rem;
  margin-top: 1.6rem;
  font-size: clamp(4.25rem, 10vw, 10.5rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.how-hero-lede {
  max-width: 45rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.65;
  color: var(--how-alloy);
}

.how-status-note {
  display: flex;
  width: min(100%, 48rem);
  align-items: flex-start;
  gap: 0.9rem;
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid rgb(242 244 239 / 16%);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: #c4cac2;
}

.how-status-note iconify-icon {
  flex: none;
  margin-top: 0.08rem;
  font-size: 1.1rem;
  color: var(--how-halo);
}

.how-section-nav {
  position: sticky;
  top: 0;
  z-index: 35;
  border-bottom: 1px solid rgb(242 244 239 / 12%);
  background: rgb(8 10 9 / 88%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
}

.how-section-nav-inner {
  display: flex;
  width: min(100%, 1680px);
  min-height: 58px;
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(1.4rem, 3vw, 3.5rem);
  margin: 0 auto;
  padding: 0 var(--how-gutter);
  overflow-x: auto;
  scrollbar-width: none;
}

.how-section-nav-inner::-webkit-scrollbar {
  display: none;
}

.how-section-nav a {
  position: relative;
  display: inline-flex;
  min-height: 58px;
  flex: none;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  color: #909990;
  transition: color 220ms var(--how-ease);
}

.how-section-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--how-halo), var(--how-signal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--how-ease);
}

.how-section-nav a:hover,
.how-section-nav a[aria-current="location"] {
  color: var(--how-mineral);
}

.how-section-nav a[aria-current="location"]::after {
  transform: scaleX(1);
}

.how-section-nav a:focus-visible,
.example-tablist button:focus-visible,
.water-control-group button:focus-visible,
.risk-scenario summary:focus-visible,
.faq-item summary:focus-visible {
  outline: 2px solid var(--how-halo);
  outline-offset: 3px;
}

.how-section {
  position: relative;
  padding-top: var(--how-section-space);
  padding-bottom: var(--how-section-space);
  scroll-margin-top: 58px;
}

.how-section-header {
  max-width: 74rem;
}

.how-section-header h2,
.risk-header h2,
.privacy-header h2,
.faq-header h2,
.how-closing h2 {
  max-width: 78rem;
  font-size: clamp(3.25rem, 7.2vw, 8.5rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.how-section-header .how-eyebrow {
  margin-bottom: 1.5rem;
}

.how-section-header > p:not(.how-eyebrow) {
  max-width: 48rem;
  margin-top: 2rem;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.7;
  color: var(--how-alloy);
}

.how-vision {
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 50%, rgb(69 184 74 / 10%), transparent 30rem),
    var(--how-carbon);
}

.vision-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(28rem, 7fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  margin-top: clamp(4rem, 8vw, 8rem);
}

.vision-copy {
  display: grid;
  gap: 1.5rem;
  max-width: 44rem;
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.8;
  color: var(--how-alloy);
}

.vision-copy p:first-child {
  font-size: clamp(1.45rem, 2.8vw, 2.5rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.035em;
  color: var(--how-mineral);
}

.vision-figure {
  position: relative;
  min-height: clamp(34rem, 50vw, 48rem);
  overflow: hidden;
  border: 1px solid rgb(242 244 239 / 14%);
  border-radius: var(--how-radius);
  background: #050706;
  box-shadow: 0 32px 90px rgb(0 0 0 / 38%);
}

.vision-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgb(8 10 9 / 24%));
  pointer-events: none;
}

.vision-figure img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 64% center;
  transform: scale(1.05);
}

.how-process {
  border-top: 1px solid rgb(242 244 239 / 10%);
  border-bottom: 1px solid rgb(242 244 239 / 10%);
  background: var(--how-graphite);
}

.process-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(4rem, 9vw, 11rem);
}

.process-intro {
  position: sticky;
  top: 7rem;
  align-self: start;
}

.process-intro h2 {
  max-width: 42rem;
  margin-top: 1.5rem;
  font-size: clamp(3.25rem, 5.8vw, 6.6rem);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.058em;
}

.process-intro > p:last-child {
  max-width: 34rem;
  margin-top: 2.5rem;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.03em;
  color: #cbd0ca;
}

.process-timeline {
  counter-reset: process;
}

.process-step {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.25rem, 4vw, 4rem) 0;
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.process-step:last-child {
  border-bottom: 1px solid rgb(242 244 239 / 16%);
}

.process-number {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--how-halo);
}

.process-step h3 {
  font-size: clamp(1.8rem, 3.3vw, 3.4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.process-step p {
  max-width: 43rem;
  margin-top: 1.25rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.process-step .process-note {
  margin-top: 0.85rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.7;
  color: #c5cbc4;
}

.software-demo-section {
  overflow: hidden;
  border-bottom: 1px solid rgb(242 244 239 / 10%);
  background:
    radial-gradient(circle at 80% 12%, rgb(113 242 95 / 8%), transparent 32rem),
    var(--how-carbon);
}

.software-demo-header > p:last-child {
  max-width: 58rem;
}

.software-capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(4rem, 9vw, 11rem);
  margin-top: clamp(4rem, 7vw, 7rem);
}

.software-capability-intro {
  position: sticky;
  top: 7rem;
  align-self: start;
}

.software-capability-intro h3 {
  max-width: 36rem;
  margin-top: 1.4rem;
  font-size: clamp(2.6rem, 4.7vw, 5.5rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.software-capability-intro > p:last-child {
  max-width: 32rem;
  margin-top: 2rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.software-capability {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding: clamp(2rem, 3.5vw, 3.25rem) 0;
  border-top: 1px solid rgb(242 244 239 / 15%);
}

.software-capability:last-child {
  border-bottom: 1px solid rgb(242 244 239 / 15%);
}

.software-capability-number {
  padding-top: 0.25rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--how-halo);
}

.software-capability-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.software-capability h4 {
  max-width: 32rem;
  font-size: clamp(1.55rem, 2.6vw, 2.8rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.042em;
}

.software-capability-title > span {
  flex: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.5625rem;
  line-height: 1.5;
  letter-spacing: 0.09em;
  color: #788279;
}

.software-capability p {
  max-width: 48rem;
  margin-top: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--how-alloy);
}

.example-section {
  background:
    radial-gradient(circle at 12% 22%, rgb(69 184 74 / 8%), transparent 25rem),
    var(--how-carbon);
}

.example-tabs {
  margin-top: clamp(4rem, 7vw, 7rem);
}

.example-tablist {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid rgb(242 244 239 / 16%);
}

.example-tablist button {
  position: relative;
  min-height: 72px;
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: #8f978f;
  transition: color 220ms var(--how-ease), background 220ms var(--how-ease);
}

.example-tablist button::after {
  content: "";
  position: absolute;
  right: 1.25rem;
  bottom: -1px;
  left: 1.25rem;
  height: 2px;
  background: linear-gradient(90deg, var(--how-halo), var(--how-signal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--how-ease);
}

.example-tablist button:hover,
.example-tablist button[aria-selected="true"] {
  color: var(--how-mineral);
  background: linear-gradient(180deg, transparent, rgb(113 242 95 / 5%));
}

.example-tablist button[aria-selected="true"]::after {
  transform: scaleX(1);
}

.example-panel {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(28rem, 6fr);
  min-height: 44rem;
  overflow: hidden;
  border-right: 1px solid rgb(242 244 239 / 14%);
  border-bottom: 1px solid rgb(242 244 239 / 14%);
  border-left: 1px solid rgb(242 244 239 / 14%);
  border-radius: 0 0 var(--how-radius) var(--how-radius);
  background: var(--how-graphite);
}

.example-panel[hidden] {
  display: none;
}

.example-image {
  position: relative;
  min-height: 32rem;
  overflow: hidden;
}

.example-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 62%, rgb(17 20 17 / 86%));
  pointer-events: none;
}

.example-image img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.example-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 5rem);
}

.example-content h3 {
  max-width: 38rem;
  font-size: clamp(2.25rem, 4vw, 4.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.052em;
}

.example-facts {
  display: grid;
  gap: 1.2rem;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
}

.example-facts div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.34fr) minmax(0, 1fr);
  gap: 1.25rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgb(242 244 239 / 13%);
}

.example-facts dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--how-halo);
}

.example-facts dd {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--how-alloy);
}

.example-disclaimer {
  max-width: 52rem;
  margin-top: 1.2rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: #858e86;
}

.risk-section {
  border-top: 1px solid rgb(242 244 239 / 10%);
  background: var(--how-graphite);
}

.risk-header {
  max-width: 80rem;
}

.risk-header p {
  max-width: 55rem;
  margin-top: 2.5rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
  color: var(--how-alloy);
}

.risk-header strong {
  display: block;
  max-width: 56rem;
  margin-top: 2.5rem;
  font-size: clamp(1.4rem, 2.6vw, 2.35rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.risk-areas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 clamp(1.5rem, 3vw, 3.5rem);
  margin-top: clamp(4rem, 7vw, 7rem);
}

.risk-areas article {
  padding: 1.75rem 0 2.5rem;
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.risk-areas iconify-icon {
  font-size: 1.45rem;
  color: var(--how-halo);
}

.risk-areas h3 {
  max-width: 18rem;
  margin-top: 2.5rem;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
}

.risk-scenarios {
  margin-top: clamp(3rem, 6vw, 6rem);
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.risk-scenario {
  border-bottom: 1px solid rgb(242 244 239 / 16%);
}

.risk-scenario summary,
.faq-item summary {
  list-style: none;
}

.risk-scenario summary::-webkit-details-marker,
.faq-item summary::-webkit-details-marker {
  display: none;
}

.risk-scenario summary {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) 2.75rem;
  align-items: center;
  gap: 1.25rem;
  min-height: 96px;
  padding: 1rem 0;
  cursor: pointer;
}

.risk-scenario summary span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  color: var(--how-halo);
}

.risk-scenario summary strong {
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.032em;
}

.risk-scenario summary iconify-icon,
.faq-item summary iconify-icon {
  justify-self: end;
  font-size: 1.3rem;
  color: var(--how-alloy);
  transition: transform 260ms var(--how-ease), color 260ms var(--how-ease);
}

.risk-scenario[open] summary iconify-icon,
.faq-item[open] summary iconify-icon {
  color: var(--how-halo);
  transform: rotate(45deg);
}

.risk-scenario dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.25rem clamp(2rem, 6vw, 7rem);
  padding: 1rem 4rem clamp(3rem, 5vw, 5rem);
}

.risk-scenario dl div {
  padding-top: 1.2rem;
  border-top: 1px solid rgb(242 244 239 / 12%);
}

.risk-scenario dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--how-halo);
}

.risk-scenario dd {
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.risk-scenario .scenario-boundary {
  grid-column: 1 / -1;
  border-top-color: rgb(113 242 95 / 26%);
}

.scenario-boundary dd {
  max-width: 72rem;
  color: #d3d8d1;
}

.safety-boundaries {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(3rem, 7vw, 8rem);
  margin-top: clamp(5rem, 9vw, 9rem);
  padding: clamp(2rem, 5vw, 5rem);
  border: 1px solid rgb(113 242 95 / 23%);
  border-radius: var(--how-radius);
  background: linear-gradient(130deg, rgb(113 242 95 / 8%), transparent 42%), var(--how-carbon);
}

.safety-boundaries h3 {
  max-width: 36rem;
  margin-top: 1.25rem;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.safety-boundaries ul {
  columns: 2 16rem;
  column-gap: 3rem;
}

.safety-boundaries li {
  position: relative;
  break-inside: avoid;
  padding: 1.15rem 0 1.15rem 1.5rem;
  border-top: 1px solid rgb(242 244 239 / 13%);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--how-alloy);
}

.safety-boundaries li::before {
  content: "";
  position: absolute;
  top: 1.65rem;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--how-halo);
  border-radius: 50%;
}

.water-simulation {
  margin-top: clamp(5rem, 9vw, 9rem);
  overflow: hidden;
  border: 1px solid rgb(242 244 239 / 16%);
  border-radius: var(--how-radius);
  background:
    linear-gradient(rgb(242 244 239 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(242 244 239 / 3%) 1px, transparent 1px),
    var(--how-carbon);
  background-size: 40px 40px;
}

.water-simulation-header {
  padding: clamp(2rem, 5vw, 5rem);
  border-bottom: 1px solid rgb(242 244 239 / 15%);
}

.simulation-label {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.simulation-label::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--how-halo);
  border-radius: 50%;
}

.water-simulation-header h3 {
  max-width: 62rem;
  margin-top: 1.35rem;
  font-size: clamp(2.6rem, 5.8vw, 6rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.058em;
}

.water-simulation-header > p:last-child {
  max-width: 42rem;
  margin-top: 1.75rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.water-simulation-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(22rem, 5fr);
  border-bottom: 1px solid rgb(242 244 239 / 15%);
}

.water-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-right: 1px solid rgb(242 244 239 / 15%);
}

.water-steps li {
  position: relative;
  min-height: 15rem;
  padding: 1.75rem;
  border-right: 1px solid rgb(242 244 239 / 12%);
}

.water-steps li:last-child {
  border-right: 0;
}

.water-steps li::after {
  content: "";
  position: absolute;
  right: -0.35rem;
  bottom: 2.5rem;
  z-index: 2;
  width: 0.65rem;
  height: 0.65rem;
  border: 2px solid var(--how-carbon);
  border-radius: 50%;
  background: var(--how-halo);
  box-shadow: 0 0 18px rgb(113 242 95 / 45%);
}

.water-steps li:last-child::after {
  display: none;
}

.water-steps span {
  display: block;
  min-height: 2.5rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--how-halo);
}

.water-steps strong {
  display: block;
  margin-top: 4rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.water-controls {
  padding: 1.75rem;
  background: rgb(17 20 17 / 86%);
}

.water-control-group {
  display: grid;
  gap: 0.65rem;
}

.water-control-group + .water-control-group {
  margin-top: 1.5rem;
}

.water-control-group > p {
  margin-bottom: 0.35rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--how-alloy);
}

.water-control-group button {
  min-height: 48px;
  border: 1px solid rgb(242 244 239 / 16%);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  background: rgb(8 10 9 / 50%);
  text-align: left;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--how-alloy);
  transition: border-color 220ms var(--how-ease), background 220ms var(--how-ease), color 220ms var(--how-ease);
}

.water-control-group button:hover:not(:disabled),
.water-control-group button[aria-pressed="true"] {
  border-color: rgb(113 242 95 / 58%);
  background: rgb(113 242 95 / 9%);
  color: var(--how-mineral);
}

.water-control-group button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.water-assumption {
  margin-top: 1.25rem;
  padding: 1rem;
  border-left: 2px solid var(--how-halo);
  background: rgb(113 242 95 / 6%);
  font-size: 0.75rem;
  line-height: 1.65;
  color: #cbd1c9;
}

.water-result {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  background: rgb(8 10 9 / 86%);
}

.water-result p {
  min-height: 10rem;
  padding: 1.5rem;
  border-right: 1px solid rgb(242 244 239 / 12%);
}

.water-result p:last-child {
  border-right: 0;
}

.water-result span,
.water-result strong {
  display: block;
}

.water-result span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--how-halo);
}

.water-result strong {
  margin-top: 1.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.65;
  color: #cbd1c9;
}

.simulation-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.25rem clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid rgb(113 242 95 / 22%);
  background: rgb(113 242 95 / 6%);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.7;
  color: #c9cfc7;
}

.simulation-disclaimer iconify-icon {
  flex: none;
  margin-top: 0.08rem;
  font-size: 1rem;
  color: var(--how-halo);
}

.control-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 38%, rgb(69 184 74 / 9%), transparent 28rem),
    var(--how-carbon);
}

.authority-categories {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(2rem, 5vw, 6rem);
  margin-top: clamp(4rem, 8vw, 8rem);
}

.authority-categories article {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.authority-categories iconify-icon {
  font-size: 1.6rem;
  color: var(--how-halo);
}

.authority-categories h3 {
  margin-top: 3rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

.authority-categories p {
  max-width: 26rem;
  margin-top: 1.25rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.control-list-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(3rem, 8vw, 9rem);
  margin-top: clamp(4rem, 7vw, 7rem);
  padding-top: clamp(3rem, 6vw, 6rem);
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.control-list-layout h3 {
  max-width: 34rem;
  margin-top: 1.25rem;
  font-size: clamp(2.25rem, 4.8vw, 5rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.054em;
}

.control-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(2rem, 5vw, 5rem);
}

.control-list li {
  position: relative;
  min-height: 5.4rem;
  padding: 1.4rem 0 1.4rem 1.6rem;
  border-top: 1px solid rgb(242 244 239 / 13%);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--how-alloy);
}

.control-list li::before {
  content: "";
  position: absolute;
  top: 1.85rem;
  left: 0;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--how-halo);
  border-radius: 50%;
}

.authority-statement {
  max-width: 78rem;
  margin-top: clamp(4rem, 7vw, 7rem);
  padding-top: clamp(2rem, 4vw, 4rem);
  border-top: 1px solid rgb(113 242 95 / 28%);
  font-size: clamp(1.7rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.privacy-section {
  isolation: isolate;
  overflow: hidden;
  min-height: 100dvh;
  border-top: 1px solid rgb(242 244 239 / 10%);
  border-bottom: 1px solid rgb(242 244 239 / 10%);
  background: var(--how-carbon);
}

.privacy-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 64% center;
}

.privacy-scrim {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgb(8 10 9 / 98%) 0%, rgb(8 10 9 / 90%) 48%, rgb(8 10 9 / 32%) 80%),
    linear-gradient(0deg, rgb(8 10 9 / 94%), transparent 68%);
}

.privacy-content {
  position: relative;
  z-index: 1;
}

.privacy-header {
  max-width: 78rem;
}

.privacy-header p {
  max-width: 48rem;
  margin-top: 2.5rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
  color: #b5bcb3;
}

.privacy-principles {
  display: grid;
  width: min(100%, 64rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(2rem, 6vw, 7rem);
  margin-top: clamp(4rem, 8vw, 8rem);
}

.privacy-principles article {
  padding: 1.6rem 0 2.8rem;
  border-top: 1px solid rgb(242 244 239 / 18%);
}

.privacy-principles h3 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
  color: var(--how-halo);
}

.privacy-principles p {
  max-width: 24rem;
  margin-top: 1.1rem;
  font-size: 1rem;
  line-height: 1.7;
  color: #bdc4bb;
}

.privacy-event-note {
  max-width: 62rem;
  margin-top: clamp(2rem, 5vw, 5rem);
  padding: 1.4rem 0;
  border-top: 1px solid rgb(113 242 95 / 28%);
  border-bottom: 1px solid rgb(113 242 95 / 28%);
  font-size: clamp(1.1rem, 2.1vw, 1.6rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.026em;
}

.product-section {
  background: var(--how-graphite);
}

.product-models {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: clamp(1.25rem, 2.5vw, 2.75rem);
  margin-top: clamp(4rem, 8vw, 8rem);
}

.product-model {
  overflow: hidden;
  border: 1px solid rgb(242 244 239 / 14%);
  border-radius: var(--how-radius);
  background: var(--how-carbon);
  box-shadow: 0 24px 70px rgb(0 0 0 / 24%);
}

.product-model-pro {
  margin-top: 3rem;
}

.product-model-enterprise {
  margin-top: 6rem;
}

.product-model-image {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-bottom: 1px solid rgb(242 244 239 / 13%);
  background: #050706;
}

.product-model-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 72%, rgb(8 10 9 / 30%));
  pointer-events: none;
}

.product-model-image img {
  position: absolute;
  top: 50%;
  width: 300%;
  height: auto;
  max-width: none;
  transform: translateY(-50%);
}

.product-crop-base img {
  left: 0;
}

.product-crop-pro img {
  left: -100%;
}

.product-crop-enterprise img {
  left: -200%;
}

.product-model-copy {
  padding: clamp(1.5rem, 3vw, 2.6rem);
}

.product-model-copy h3 {
  margin-top: 1.1rem;
  font-size: clamp(2rem, 3.7vw, 3.7rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05em;
}

.product-model-copy > strong {
  display: block;
  margin-top: 1.4rem;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
  color: #d9ddd7;
}

.product-model-copy > p:not(.product-model-type) {
  margin-top: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.product-model-copy .product-public-note {
  padding-top: 1.2rem;
  border-top: 1px solid rgb(242 244 239 / 12%);
}

.product-model-copy .product-spec-note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: #c1c7bf;
}

.product-overview-link {
  display: flex;
  justify-content: flex-end;
  margin-top: 2rem;
}

.development-section {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(22rem, 5fr);
  gap: clamp(3rem, 7vw, 8rem);
  margin-top: clamp(6rem, 11vw, 11rem);
  padding: clamp(2.5rem, 6vw, 6rem);
  border: 1px solid rgb(113 242 95 / 22%);
  border-radius: var(--how-radius);
  background:
    linear-gradient(130deg, rgb(113 242 95 / 8%), transparent 44%),
    var(--how-carbon);
}

.development-copy h3 {
  max-width: 48rem;
  margin-top: 1.4rem;
  font-size: clamp(2.8rem, 5.4vw, 5.8rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.development-copy > p:not(.how-eyebrow) {
  max-width: 44rem;
  margin-top: 1.5rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--how-alloy);
}

.development-copy .development-status {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgb(113 242 95 / 26%);
  color: #d2d7d0;
}

.development-status strong {
  color: var(--how-halo);
}

.release-requirements {
  align-self: end;
}

.release-requirements > p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--how-alloy);
}

.release-requirements ul {
  margin: 1.5rem 0;
  border-top: 1px solid rgb(242 244 239 / 14%);
}

.release-requirements li {
  position: relative;
  padding: 1rem 0 1rem 1.5rem;
  border-bottom: 1px solid rgb(242 244 239 / 12%);
  font-size: 0.85rem;
  line-height: 1.5;
}

.release-requirements li::before {
  content: "";
  position: absolute;
  top: 1.45rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--how-halo);
}

.faq-section {
  background: var(--how-carbon);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(4rem, 9vw, 11rem);
}

.faq-header {
  position: sticky;
  top: 7rem;
  align-self: start;
}

.faq-header h2 {
  max-width: 40rem;
  margin-top: 1.4rem;
  font-size: clamp(3rem, 5.8vw, 6.2rem);
}

.faq-list {
  border-top: 1px solid rgb(242 244 239 / 16%);
}

.faq-item {
  border-bottom: 1px solid rgb(242 244 239 / 16%);
}

.faq-item summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.5rem;
  align-items: center;
  gap: 1.5rem;
  min-height: 84px;
  padding: 1.1rem 0;
  cursor: pointer;
  font-size: clamp(1rem, 1.7vw, 1.3rem);
  font-weight: 500;
  line-height: 1.45;
}

.faq-item p {
  max-width: 46rem;
  padding: 0 3.5rem 2.25rem 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--how-alloy);
}

.how-closing {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid rgb(242 244 239 / 10%);
  background:
    radial-gradient(circle at 80% 20%, rgb(69 184 74 / 14%), transparent 30rem),
    linear-gradient(145deg, #101410, var(--how-carbon));
}

.how-closing::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -30%;
  z-index: -1;
  width: min(52rem, 70vw);
  aspect-ratio: 1;
  border: 1px solid rgb(113 242 95 / 16%);
  border-radius: 50%;
  box-shadow: inset 0 0 120px rgb(113 242 95 / 6%), 0 0 120px rgb(113 242 95 / 5%);
}

.how-closing-content {
  display: flex;
  min-height: 82dvh;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(6rem, 11vw, 11rem);
  padding-bottom: clamp(6rem, 11vw, 11rem);
}

.how-closing h2 {
  max-width: 76rem;
}

.how-closing-content > p {
  max-width: 43rem;
  margin-top: 2.5rem;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.65;
  color: var(--how-alloy);
}

.how-closing-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.75rem;
}

.has-js .reveal-item {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 760ms var(--how-ease), transform 760ms var(--how-ease);
}

.has-js .reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes how-hero-settle {
  from {
    opacity: 0;
    transform: scale(1.07);
  }
  to {
    opacity: 1;
    transform: scale(1.025);
  }
}

@keyframes how-copy-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .vision-layout,
  .process-layout,
  .software-capability-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .process-intro,
  .software-capability-intro,
  .faq-header {
    position: static;
  }

  .process-timeline,
  .software-capability-list,
  .faq-list {
    margin-top: 1rem;
  }

  .example-panel {
    grid-template-columns: 1fr;
  }

  .example-image::after {
    background: linear-gradient(0deg, var(--how-graphite), transparent 28%);
  }

  .water-simulation-grid {
    grid-template-columns: 1fr;
  }

  .water-steps {
    border-right: 0;
    border-bottom: 1px solid rgb(242 244 239 / 15%);
  }

  .development-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .risk-areas,
  .authority-categories,
  .product-models {
    grid-template-columns: 1fr;
  }

  .risk-areas {
    gap: 0;
  }

  .risk-areas article {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
    padding: 1.3rem 0;
  }

  .risk-areas h3 {
    margin-top: 0;
  }

  .authority-categories {
    gap: 0;
  }

  .authority-categories article {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 1rem;
    padding: 1.7rem 0;
  }

  .authority-categories iconify-icon {
    grid-row: 1 / span 2;
  }

  .authority-categories h3,
  .authority-categories p {
    margin-top: 0;
  }

  .authority-categories p {
    margin-top: 0.7rem;
  }

  .product-model-pro,
  .product-model-enterprise {
    margin-top: 0;
  }

  .product-model-image {
    aspect-ratio: 4 / 3;
  }

  .control-list-layout,
  .safety-boundaries {
    grid-template-columns: 1fr;
  }

  .water-result {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .water-result p:nth-child(2) {
    border-right: 0;
  }

  .water-result p:nth-child(-n + 2) {
    border-bottom: 1px solid rgb(242 244 239 / 12%);
  }
}

@media (max-width: 767px) {
  :root {
    --how-section-space: 6rem;
  }

  .how-hero {
    min-height: 820px;
    padding-top: 64px;
  }

  .how-hero-media {
    object-position: 72% center;
  }

  .how-hero-scrim {
    background: linear-gradient(180deg, rgb(8 10 9 / 99%) 0%, rgb(8 10 9 / 88%) 44%, rgb(8 10 9 / 50%) 76%, rgb(8 10 9 / 84%) 100%);
  }

  .how-hero-content {
    justify-content: flex-start;
    padding-top: 5rem;
  }

  .how-hero-content h1 {
    font-size: clamp(3.5rem, 16vw, 5rem);
  }

  .how-section-nav-inner {
    justify-content: flex-start;
    padding-right: 20px;
    padding-left: 20px;
  }

  .vision-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .vision-figure {
    min-height: 27rem;
  }

  .process-step {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 1rem;
  }

  .software-capability {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 1rem;
  }

  .software-capability-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .example-tablist button {
    min-height: 62px;
    padding-right: 0.6rem;
    padding-left: 0.6rem;
    font-size: 0.875rem;
  }

  .example-tablist button::after {
    right: 0.6rem;
    left: 0.6rem;
  }

  .example-panel {
    min-height: 0;
  }

  .example-image {
    min-height: 22rem;
  }

  .example-content {
    padding: 2rem 1.25rem 2.5rem;
  }

  .example-facts div {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .risk-scenario summary {
    grid-template-columns: 2.25rem minmax(0, 1fr) 2rem;
    gap: 0.75rem;
    min-height: 82px;
  }

  .risk-scenario dl {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-right: 0;
    padding-left: 0;
  }

  .safety-boundaries {
    padding: 1.5rem;
  }

  .safety-boundaries ul {
    columns: 1;
  }

  .water-simulation-header {
    padding: 1.5rem;
  }

  .water-steps {
    grid-template-columns: 1fr;
  }

  .water-steps li {
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
    min-height: 0;
    padding: 1.25rem;
    border-right: 0;
    border-bottom: 1px solid rgb(242 244 239 / 12%);
  }

  .water-steps li:last-child {
    border-bottom: 0;
  }

  .water-steps li::after {
    top: auto;
    right: auto;
    bottom: -0.35rem;
    left: 1.25rem;
  }

  .water-steps span {
    min-height: 0;
  }

  .water-steps strong {
    margin-top: 0;
  }

  .water-result {
    grid-template-columns: 1fr;
  }

  .water-result p,
  .water-result p:nth-child(2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgb(242 244 239 / 12%);
  }

  .water-result p:last-child {
    border-bottom: 0;
  }

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

  .privacy-section {
    min-height: 0;
  }

  .privacy-media {
    object-position: 68% center;
  }

  .privacy-scrim {
    background: linear-gradient(180deg, rgb(8 10 9 / 96%) 0%, rgb(8 10 9 / 82%) 58%, rgb(8 10 9 / 96%) 100%);
  }

  .privacy-principles {
    grid-template-columns: 1fr;
  }

  .product-models {
    gap: 2rem;
  }

  .product-model-image {
    aspect-ratio: 3 / 4;
  }

  .product-overview-link {
    justify-content: flex-start;
  }

  .development-section {
    padding: 1.5rem;
  }

  .how-closing-content {
    min-height: 760px;
  }

  .how-closing-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .how-hero-content h1 {
    font-size: clamp(3.35rem, 16vw, 4.4rem);
  }

  .how-section-header h2,
  .risk-header h2,
  .privacy-header h2,
  .how-closing h2 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .how-section-nav {
    background: var(--how-carbon);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .how-hero-media,
  .how-hero-content {
    animation: none;
  }

  .has-js .reveal-item,
  .has-js .reveal-item.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .how-section-nav a,
  .how-section-nav a::after,
  .example-tablist button,
  .example-tablist button::after,
  .water-control-group button,
  .risk-scenario summary iconify-icon,
  .faq-item summary iconify-icon {
    transition: none;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
}