:root {
  --ink: #111413;
  --ink-soft: #222725;
  --graphite: #343a37;
  --paper: #f1f2ed;
  --paper-strong: #e5e7df;
  --white: #fafbf7;
  --muted: #6d736f;
  --line: #c8cbc4;
  --line-dark: rgba(255, 255, 255, 0.16);
  --signal: #ff5a36;
  --signal-dark: #d93d1e;
  --acid: #d7ff45;
  --mineral: #a9c6c1;
  --max: 1580px;
  --pad: clamp(22px, 4.2vw, 68px);
  --sans: "Avenir Next", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  cursor: pointer;
}

svg {
  width: 18px;
  height: 18px;
}

::selection {
  color: white;
  background: var(--signal);
}

.skip-link {
  position: fixed;
  z-index: 500;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: white;
  background: var(--ink);
  transform: translateY(-180%);
}

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

.utility-bar {
  color: rgba(255, 255, 255, 0.58);
  background: #090b0a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utility-inner {
  display: flex;
  width: min(var(--max), 100%);
  min-height: 31px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
  padding: 0 var(--pad);
  font-family: var(--mono);
  font-size: 8px;
}

.site-header {
  position: sticky;
  z-index: 180;
  top: 0;
  display: grid;
  min-height: 76px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  padding: 0 var(--pad);
  background: rgba(241, 242, 237, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  color: white;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.4vw, 38px);
}

.desktop-nav a {
  position: relative;
  padding: 29px 0 28px;
  color: #4f5551;
  font-size: 12px;
  font-weight: 650;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-code {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 12px;
  font-weight: 700;
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

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

.button-small {
  min-height: 41px;
  padding-inline: 17px;
  font-size: 11px;
}

.button-signal {
  color: white;
  background: var(--signal);
  border-color: var(--signal);
}

.button-signal:hover {
  background: var(--signal-dark);
  border-color: var(--signal-dark);
}

.button-ink {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.button-ink:hover {
  color: var(--ink);
  background: transparent;
}

.button-outline {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.button-outline:hover {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.button-light {
  color: var(--ink);
  background: white;
  border-color: white;
}

.button-light:hover {
  color: white;
  background: transparent;
}

.menu-button {
  display: none;
  width: 41px;
  height: 41px;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  min-height: calc(100svh - 107px);
  align-items: center;
  overflow: hidden;
  color: white;
  background: #0f1211;
}

.hero-scene {
  position: absolute;
  inset: 0;
}

.hero-scene canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 14, 13, 0.98) 0%, rgba(11, 14, 13, 0.91) 32%, rgba(11, 14, 13, 0.46) 65%, rgba(11, 14, 13, 0.14) 100%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0%, transparent 72%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(890px, 64vw);
  margin-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  padding: 92px 0 110px;
}

.hero-kicker,
.section-code {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
}

.section-code::before {
  width: 18px;
  height: 1px;
  background: currentColor;
  content: "";
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--acid);
  box-shadow: 0 0 0 5px rgba(215, 255, 69, 0.1);
}

.hero h1 {
  max-width: 900px;
  margin: 32px 0 28px;
  font-size: clamp(52px, 6.2vw, 98px);
  font-weight: 600;
  line-height: 0.98;
}

.hero h1 span {
  color: var(--acid);
}

.hero-lead {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: clamp(14px, 1.25vw, 18px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  font-weight: 700;
}

.text-action-light {
  color: white;
}

.hero-index {
  display: grid;
  max-width: 760px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 68px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-index div {
  display: grid;
  min-width: 0;
  grid-template-columns: 30px 1fr;
  gap: 2px 10px;
  padding: 17px 20px 16px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-index div + div {
  padding-left: 20px;
}

.hero-index div:last-child {
  border-right: 0;
}

.hero-index span {
  grid-row: 1 / 3;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.hero-index strong {
  font-size: 12px;
  font-weight: 650;
}

.hero-index small {
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--mono);
  font-size: 7px;
}

.scene-readout {
  position: absolute;
  z-index: 4;
  right: var(--pad);
  bottom: 34px;
  display: grid;
  width: min(370px, 34vw);
  grid-template-columns: repeat(3, 1fr);
  color: rgba(255, 255, 255, 0.52);
  background: rgba(10, 13, 12, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.scene-readout > span {
  grid-column: 1 / -1;
  padding: 9px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  font-family: var(--mono);
  font-size: 7px;
}

.scene-readout div {
  padding: 10px 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
  font-family: var(--mono);
  font-size: 7px;
}

.scene-readout div:last-child {
  border-right: 0;
}

.scene-readout b {
  display: block;
  margin-bottom: 4px;
  color: var(--acid);
  font-size: 7px;
}

.scene-axis {
  position: absolute;
  z-index: 4;
  top: 50%;
  right: 26px;
  display: grid;
  gap: 18px;
  color: rgba(255, 255, 255, 0.32);
  font-family: var(--mono);
  font-size: 7px;
  writing-mode: vertical-rl;
}

.capability-rail {
  display: grid;
  grid-template-columns: 0.8fr repeat(4, 1fr);
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.capability-rail > * {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.capability-rail > *:last-child {
  border-right: 0;
}

.rail-label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
}

.capability-rail div:not(.rail-label) {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
}

.capability-rail div span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
}

.capability-rail strong {
  font-weight: 650;
}

.section {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(92px, 9vw, 146px) var(--pad);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.52fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: end;
  margin-bottom: 62px;
}

.section-heading.compact {
  align-items: start;
  margin-bottom: 52px;
}

.section-heading h2,
.path-copy h2,
.material-copy h2,
.faq-intro h2,
.project-cta h2 {
  margin: 24px 0 0;
  font-size: clamp(38px, 4.4vw, 70px);
  font-weight: 550;
  line-height: 1.08;
}

.section-heading > p,
.section-heading > .text-action,
.faq-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.compare-section {
  padding-bottom: 0;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
}

.compare-card {
  min-height: 390px;
  padding: clamp(30px, 4vw, 62px);
}

.compare-card + .compare-card {
  border-left: 1px solid var(--line);
}

.compare-card.muted {
  color: #606662;
  background: #e8e9e3;
}

.compare-card.active {
  color: white;
  background: var(--ink);
}

.compare-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid currentColor;
}

.compare-top span {
  font-family: var(--mono);
  font-size: 8px;
}

.compare-top b {
  font-size: 18px;
  font-weight: 650;
}

.compare-card p {
  max-width: 620px;
  margin: 35px 0 30px;
  font-size: 16px;
  line-height: 1.8;
}

.compare-card ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-card li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  line-height: 1.6;
}

.compare-card li::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 7px;
  height: 1px;
  background: currentColor;
  content: "";
}

.compare-card.active li::before {
  background: var(--acid);
}

.capability-section {
  width: 100%;
  max-width: none;
  background: var(--paper-strong);
}

.capability-section > .section-heading,
.capability-grid {
  width: min(var(--max), 100%);
  margin-right: auto;
  margin-left: auto;
}

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

.capability-card {
  min-height: 330px;
  padding: clamp(28px, 4vw, 54px);
  background: var(--paper);
  transition:
    color 180ms ease,
    background 180ms ease;
}

.capability-card:hover {
  color: white;
  background: var(--ink);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-meta span,
.capability-card small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
}

.card-meta svg {
  color: var(--signal);
}

.capability-card h3 {
  max-width: 520px;
  margin: 78px 0 16px;
  font-size: clamp(25px, 2.3vw, 36px);
  font-weight: 560;
  line-height: 1.2;
}

.capability-card p {
  max-width: 570px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.capability-card:hover p,
.capability-card:hover small {
  color: rgba(255, 255, 255, 0.6);
}

.path-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(50px, 8vw, 130px);
  padding: clamp(92px, 9vw, 146px) max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  color: white;
  background: var(--ink);
}

.section-code.light {
  color: var(--acid);
}

.path-copy {
  align-self: center;
}

.path-copy p,
.material-copy p {
  max-width: 570px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
  line-height: 1.9;
}

.path-workbench {
  display: grid;
  grid-template-columns: minmax(210px, 0.6fr) minmax(0, 1fr);
  border: 1px solid var(--line-dark);
}

.path-tabs {
  display: grid;
  align-content: stretch;
  background: #171b19;
}

.path-tabs button {
  display: flex;
  min-height: 94px;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  color: rgba(255, 255, 255, 0.58);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  text-align: left;
}

.path-tabs button:last-child {
  border-bottom: 0;
}

.path-tabs button span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.path-tabs button.is-active {
  color: var(--ink);
  background: var(--acid);
}

.path-tabs button.is-active span {
  color: var(--ink);
}

.path-result {
  min-height: 470px;
  padding: clamp(28px, 4vw, 54px);
  color: var(--ink);
  background: var(--paper);
  border-top: 3px solid var(--signal);
}

.path-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.path-result-head span,
.path-result-head b {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.path-result h3 {
  max-width: 520px;
  margin: 74px 0 18px;
  font-size: clamp(31px, 3vw, 48px);
  font-weight: 560;
  line-height: 1.15;
}

.path-result > p {
  max-width: 620px;
  min-height: 80px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.path-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.path-specs div {
  min-width: 0;
  padding: 16px 14px 16px 0;
  border-right: 1px solid var(--line);
}

.path-specs div + div {
  padding-left: 14px;
}

.path-specs div:last-child {
  border-right: 0;
}

.path-specs span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
}

.path-specs strong {
  display: block;
  overflow: hidden;
  font-size: 11px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.workflow li {
  position: relative;
  min-height: 340px;
  padding: 25px 22px 24px;
  border-right: 1px solid var(--line);
}

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

.workflow li::before {
  position: absolute;
  top: 48px;
  left: 50px;
  right: -1px;
  height: 1px;
  background: var(--line);
  content: "";
}

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

.step-no {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
}

.step-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 48px;
  height: 48px;
  margin: 35px 0 34px;
  place-items: center;
  color: white;
  background: var(--ink);
}

.step-icon svg {
  color: var(--acid);
}

.workflow h3 {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 650;
}

.workflow p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.workflow small {
  position: absolute;
  right: 22px;
  bottom: 24px;
  left: 22px;
  padding-top: 16px;
  color: var(--signal);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 7px;
}

.scenario-section {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(92px, 9vw, 146px) var(--pad);
  border-top: 1px solid var(--line);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.scenario-card {
  min-width: 0;
  padding: 20px 20px 30px;
  background: var(--paper);
}

.scenario-visual {
  position: relative;
  height: 250px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    #171b19;
  background-size: 34px 34px;
}

.visual-fit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  padding: 42px;
  place-items: center;
}

.visual-fit span {
  display: grid;
  width: 100%;
  aspect-ratio: 1;
  place-items: center;
  color: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.46);
  font-family: var(--mono);
  font-size: 9px;
}

.visual-fit span:first-child {
  border-right: 0;
}

.visual-fit i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 88px;
  height: 88px;
  border: 1px solid var(--signal);
  transform: translate(-50%, -50%) rotate(45deg);
}

.visual-surface {
  display: grid;
  place-items: center;
}

.visual-surface i {
  width: 168px;
  height: 112px;
  background: #d8c4c8;
  box-shadow:
    0 35px 65px rgba(0, 0, 0, 0.42),
    inset 0 0 40px rgba(255, 255, 255, 0.55);
  transform: rotate(-9deg);
}

.visual-surface b {
  position: absolute;
  width: 84px;
  height: 84px;
  background: var(--signal);
  mix-blend-mode: screen;
  transform: translate(55px, 37px) rotate(14deg);
  opacity: 0.72;
}

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

.visual-batch i {
  width: 38px;
  height: 132px;
  background: #c7d6d2;
  border: 1px solid rgba(255, 255, 255, 0.52);
  transform: skewY(-9deg);
}

.visual-batch i:nth-child(2),
.visual-batch i:nth-child(4) {
  height: 104px;
  background: #e0d1d2;
}

.visual-batch i:nth-child(3) {
  height: 158px;
  background: var(--signal);
}

.scenario-code {
  display: block;
  margin-top: 28px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.scenario-card h3 {
  margin: 15px 0 14px;
  font-size: clamp(23px, 2vw, 31px);
  font-weight: 560;
}

.scenario-card p {
  min-height: 95px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.scenario-card a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  font-size: 11px;
  font-weight: 700;
}

.material-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(50px, 8vw, 120px);
  padding: clamp(92px, 9vw, 146px) max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  color: white;
  background: #171b19;
}

.material-copy {
  align-self: center;
}

.material-copy .text-action {
  margin-top: 38px;
}

.material-swatch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.material-swatch {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  padding: 24px;
  background: #222725;
}

.material-swatch::before {
  position: absolute;
  right: 18%;
  bottom: -30%;
  width: 78%;
  aspect-ratio: 1.2;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background: var(--swatch-color);
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.32);
  content: "";
  transform: rotate(-12deg);
}

.swatch-rose {
  --swatch-color: #d6b9c0;
}

.swatch-clear {
  --swatch-color: rgba(206, 221, 219, 0.3);
}

.swatch-graphite {
  --swatch-color: #444b48;
}

.swatch-soft {
  --swatch-color: #c8beb7;
}

.material-swatch span,
.material-swatch strong,
.material-swatch small {
  position: relative;
  z-index: 2;
  display: block;
}

.material-swatch span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.material-swatch strong {
  margin-top: 145px;
  font-size: 21px;
  font-weight: 560;
}

.material-swatch small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
}

.faq-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(50px, 9vw, 150px);
  align-items: start;
}

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

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

.faq-list summary {
  position: relative;
  padding: 25px 50px 25px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 620;
}

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

.faq-list summary::before,
.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 14px;
  height: 1px;
  background: var(--signal);
  content: "";
}

.faq-list summary::after {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.faq-list details[open] summary::after {
  transform: rotate(0);
}

.faq-list p {
  max-width: 760px;
  margin: 0;
  padding: 0 50px 25px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.project-cta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: end;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(92px, 9vw, 146px) var(--pad);
  border-top: 1px solid var(--line);
}

.project-cta h2 {
  max-width: 820px;
}

.project-cta-action {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.project-cta-action p {
  margin: 0 0 27px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.site-footer {
  color: white;
  background: #090b0a;
}

.footer-main,
.footer-bottom {
  display: flex;
  width: min(var(--max), 100%);
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

.footer-main {
  min-height: 170px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand-footer .brand-symbol {
  color: var(--ink);
  background: var(--acid);
}

.brand-footer .brand-copy small {
  color: rgba(255, 255, 255, 0.4);
}

.footer-services {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 24px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
}

.footer-up {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--acid);
  font-family: var(--mono);
  font-size: 8px;
}

.footer-bottom {
  min-height: 66px;
  color: rgba(255, 255, 255, 0.36);
  font-size: 9px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

/* Subpage template */

.inner-hero {
  position: relative;
  display: flex;
  min-height: min(780px, 86svh);
  align-items: end;
  overflow: hidden;
  padding: 120px var(--pad) 68px;
  color: white;
  background: var(--ink);
}

.inner-hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 86%);
}

.inner-hero::after {
  position: absolute;
  top: 12%;
  right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  width: min(42vw, 610px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  content: "";
  transform: rotate(18deg);
}

.inner-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(var(--max), 100%);
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.42fr);
  gap: clamp(50px, 9vw, 150px);
  align-items: end;
  margin: 0 auto;
}

.inner-hero h1 {
  max-width: 1100px;
  margin: 28px 0 24px;
  font-size: clamp(48px, 6vw, 92px);
  font-weight: 560;
  line-height: 1;
}

.inner-hero h1 em {
  color: var(--acid);
  font-style: normal;
}

.inner-hero-lead {
  max-width: 780px;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.9;
}

.inner-hero-aside {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.inner-hero-aside div {
  padding: 20px;
  background: rgba(12, 15, 14, 0.78);
  backdrop-filter: blur(10px);
}

.inner-hero-aside span {
  display: block;
  margin-bottom: 8px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 7px;
}

.inner-hero-aside strong {
  font-size: 13px;
  font-weight: 620;
}

.page-section {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: clamp(88px, 8vw, 132px) var(--pad);
}

.page-section.band {
  width: 100%;
  max-width: none;
  background: var(--paper-strong);
}

.page-section.band > .page-section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.page-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.55fr;
  gap: clamp(50px, 8vw, 130px);
  align-items: end;
  margin-bottom: 56px;
}

.page-heading h2 {
  margin: 22px 0 0;
  font-size: clamp(38px, 4vw, 64px);
  font-weight: 560;
  line-height: 1.08;
}

.page-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.feature-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature-block {
  min-height: 280px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--paper);
}

.feature-block .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
}

.feature-block .meta svg {
  color: var(--signal);
}

.feature-block h3 {
  margin: 62px 0 14px;
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 560;
}

.feature-block p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.feature-block ul {
  display: grid;
  gap: 10px;
  margin: 23px 0 0;
  padding: 0;
  list-style: none;
}

.feature-block li {
  position: relative;
  padding-left: 18px;
  color: var(--graphite);
  font-size: 12px;
}

.feature-block li::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--signal);
  content: "";
}

.large-specimen {
  position: relative;
  display: grid;
  min-height: 580px;
  place-items: center;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    #151917;
  background-size: 46px 46px;
}

.large-specimen::before {
  width: min(58%, 500px);
  aspect-ratio: 1.35;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: linear-gradient(145deg, rgba(235, 212, 217, 0.56), rgba(126, 139, 135, 0.18));
  box-shadow: 0 45px 80px rgba(0, 0, 0, 0.38);
  content: "";
  transform: rotate(-8deg);
}

.large-specimen::after {
  position: absolute;
  width: min(24%, 210px);
  aspect-ratio: 1;
  border: 2px solid var(--signal);
  content: "";
  transform: rotate(28deg);
}

.large-specimen span {
  position: absolute;
  right: 24px;
  bottom: 20px;
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--mono);
  font-size: 8px;
}

.split-story {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(50px, 8vw, 120px);
}

.split-story-copy h2 {
  margin: 22px 0;
  font-size: clamp(38px, 4vw, 60px);
  font-weight: 560;
  line-height: 1.1;
}

.split-story-copy p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.split-story-visual {
  min-height: 440px;
}

.data-table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
}

.data-table td {
  color: var(--muted);
  line-height: 1.7;
}

.data-table td:first-child {
  color: var(--ink);
  font-weight: 650;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stage-card {
  min-height: 310px;
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}

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

.stage-card > span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 8px;
}

.stage-card h3 {
  margin: 75px 0 15px;
  font-size: 20px;
  font-weight: 620;
}

.stage-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.stage-card small {
  display: block;
  margin-top: 24px;
  padding-top: 14px;
  color: var(--signal);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 7px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  border: 1px solid var(--line);
}

.project-form,
.brief-output {
  padding: clamp(28px, 4vw, 55px);
}

.project-form {
  background: var(--paper);
}

.brief-output {
  color: white;
  background: var(--ink);
  border-top: 3px solid var(--signal);
}

.project-form h2,
.brief-output h2 {
  margin: 0 0 30px;
  font-size: clamp(31px, 3vw, 44px);
  font-weight: 560;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-grid label {
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
}

.form-grid label.full {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid textarea,
.form-grid select {
  width: 100%;
  padding: 14px 14px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
}

.form-grid input:focus,
.form-grid textarea:focus,
.form-grid select:focus {
  border-color: var(--signal);
  box-shadow: inset 3px 0 0 var(--signal);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 25px;
}

.brief-output pre {
  min-height: 470px;
  margin: 0;
  padding: 25px;
  overflow: auto;
  color: rgba(255, 255, 255, 0.68);
  background: #080a09;
  border: 1px solid rgba(255, 255, 255, 0.16);
  white-space: pre-wrap;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.8;
}

.output-note {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
  line-height: 1.7;
}

.contact-note {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-note div {
  padding: 20px;
  border-right: 1px solid var(--line);
}

.contact-note div:last-child {
  border-right: 0;
}

.contact-note span {
  display: block;
  margin-bottom: 8px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 7px;
}

.contact-note strong {
  font-size: 12px;
}

@media (max-width: 1180px) {
  .header-code {
    display: none;
  }

  .hero-content {
    width: min(800px, 69vw);
  }

  .capability-rail {
    grid-template-columns: 0.7fr 1fr 1fr;
  }

  .capability-rail > *:nth-child(4),
  .capability-rail > *:nth-child(5) {
    border-top: 1px solid var(--line);
  }

  .capability-rail > *:nth-child(4) {
    grid-column: 2;
  }

  .path-section,
  .material-section {
    grid-template-columns: 0.75fr 1.25fr;
  }

  .workflow {
    grid-template-columns: repeat(3, 1fr);
  }

  .workflow li:nth-child(3) {
    border-right: 0;
  }

  .workflow li:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }

  .stage-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stage-card:nth-child(3) {
    border-right: 0;
  }

  .stage-card:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 920px) {
  .utility-bar {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
  }

  .desktop-nav,
  .header-actions > .button {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .mobile-nav {
    position: fixed;
    top: 68px;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    align-content: start;
    padding: 20px var(--pad) 40px;
    background: var(--paper);
    border-top: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: 180ms ease;
  }

  .mobile-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 23px 0;
    border-bottom: 1px solid var(--line);
    font-size: 26px;
    font-weight: 560;
  }

  .mobile-nav a span {
    color: var(--signal);
    font-family: var(--mono);
    font-size: 8px;
  }

  .hero {
    min-height: calc(100svh - 68px);
    align-items: start;
  }

  .hero-shade {
    background: linear-gradient(180deg, rgba(10, 13, 12, 0.5) 0%, rgba(10, 13, 12, 0.82) 48%, rgba(10, 13, 12, 0.97) 100%);
  }

  .hero-grid {
    mask-image: linear-gradient(180deg, black, transparent 78%);
  }

  .hero-content {
    width: 100%;
    margin: 0;
    padding: 32svh var(--pad) 150px;
  }

  .hero h1 {
    font-size: clamp(46px, 11vw, 76px);
  }

  .hero-index {
    margin-top: 48px;
  }

  .scene-readout {
    right: var(--pad);
    bottom: 22px;
    left: var(--pad);
    width: auto;
  }

  .scene-axis {
    display: none;
  }

  .section-heading,
  .page-heading,
  .faq-section,
  .project-cta,
  .split-story {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-heading > p,
  .page-heading p {
    max-width: 660px;
  }

  .compare-grid,
  .capability-grid,
  .scenario-grid,
  .feature-matrix {
    grid-template-columns: 1fr;
  }

  .compare-card + .compare-card {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .path-section,
  .material-section {
    grid-template-columns: 1fr;
  }

  .path-workbench {
    grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  }

  .material-swatch-grid {
    max-width: 820px;
  }

  .project-cta-action {
    padding-top: 28px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .inner-hero {
    min-height: 720px;
    padding-top: 110px;
  }

  .inner-hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .inner-hero-aside {
    grid-template-columns: repeat(3, 1fr);
  }

  .inner-hero-aside div {
    border-right: 1px solid rgba(255, 255, 255, 0.14);
  }

  .inner-hero-aside div:last-child {
    border-right: 0;
  }

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

  .footer-main {
    flex-wrap: wrap;
  }
}

@media (max-width: 680px) {
  .brand-copy strong {
    font-size: 12px;
  }

  .brand-symbol {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
  }

  .hero {
    min-height: 900px;
  }

  .hero-content {
    padding-top: 285px;
  }

  .hero h1 {
    margin-top: 24px;
    font-size: clamp(42px, 12vw, 62px);
  }

  .hero-lead {
    font-size: 14px;
  }

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

  .hero-index {
    grid-template-columns: 1fr;
  }

  .hero-index div,
  .hero-index div + div {
    padding: 13px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-index div:last-child {
    border-bottom: 0;
  }

  .scene-readout {
    grid-template-columns: 1fr;
  }

  .scene-readout div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  }

  .scene-readout div:last-child {
    border-bottom: 0;
  }

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

  .capability-rail > * {
    border-top: 1px solid var(--line);
  }

  .capability-rail > *:nth-child(1),
  .capability-rail > *:nth-child(2) {
    border-top: 0;
  }

  .capability-rail > *:nth-child(4) {
    grid-column: auto;
  }

  .section-heading h2,
  .path-copy h2,
  .material-copy h2,
  .faq-intro h2,
  .project-cta h2 {
    font-size: 38px;
  }

  .compare-card {
    min-height: auto;
    padding: 30px 24px;
  }

  .capability-card {
    min-height: 300px;
  }

  .path-workbench {
    grid-template-columns: 1fr;
  }

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

  .path-tabs button {
    min-height: 82px;
    border-right: 1px solid var(--line-dark);
  }

  .path-result {
    min-height: auto;
  }

  .path-specs {
    grid-template-columns: 1fr;
  }

  .path-specs div,
  .path-specs div + div {
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .path-specs div:last-child {
    border-bottom: 0;
  }

  .workflow,
  .stage-grid {
    grid-template-columns: 1fr;
  }

  .workflow li,
  .workflow li:nth-child(3),
  .stage-card,
  .stage-card:nth-child(3) {
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .workflow li:first-child,
  .stage-card:first-child {
    border-top: 0;
  }

  .workflow li {
    min-height: 280px;
  }

  .workflow li::before {
    display: none;
  }

  .material-swatch-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card p {
    min-height: auto;
  }

  .scenario-visual {
    height: 220px;
  }

  .faq-intro {
    margin-bottom: 12px;
  }

  .inner-hero {
    min-height: 650px;
    padding-bottom: 45px;
  }

  .inner-hero::after {
    top: 8%;
    width: 78vw;
  }

  .inner-hero h1 {
    font-size: 45px;
  }

  .inner-hero-aside {
    grid-template-columns: 1fr;
  }

  .inner-hero-aside div,
  .inner-hero-aside div:last-child {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .inner-hero-aside div:last-child {
    border-bottom: 0;
  }

  .page-heading h2 {
    font-size: 37px;
  }

  .large-specimen {
    min-height: 420px;
  }

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

  .form-grid label.full {
    grid-column: auto;
  }

  .contact-note {
    grid-template-columns: 1fr;
  }

  .contact-note div,
  .contact-note div:last-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contact-note div:last-child {
    border-bottom: 0;
  }

  .footer-main,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .footer-services {
    justify-content: flex-start;
  }
}

@media (max-width: 390px) {
  .brand {
    gap: 8px;
  }

  .brand-copy strong {
    font-size: 11px;
  }

  .brand-copy small {
    font-size: 6px;
  }

  .hero-content {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero h1 {
    font-size: 39px;
  }

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

  .path-tabs button {
    border-right: 0;
  }
}

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

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