:root {
  --ink: #071724;
  --ink-2: #0d2535;
  --paper: #f5f6f1;
  --white: #ffffff;
  --aqua: #55e8d7;
  --aqua-dark: #123c42;
  --line: rgba(7, 23, 36, 0.16);
  --line-inverse: rgba(255, 255, 255, 0.18);
  --muted: #5e6d72;
  --max: 1280px;
  --pad: clamp(22px, 4vw, 64px);
  --page-gutter: clamp(28px, 6vw, 96px);
  --radius: 3px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

img,
svg {
  display: block;
}

.shell {
  width: min(calc(100% - var(--page-gutter) - var(--page-gutter)), var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-200%);
  padding: 12px 18px;
  color: var(--ink);
  background: var(--aqua);
  border-radius: var(--radius);
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 88px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  transition: background 250ms ease, height 250ms ease, border 250ms ease;
}

.header-inner {
  width: min(calc(100% - var(--page-gutter) - var(--page-gutter)), var(--max));
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.site-header.is-scrolled {
  height: 72px;
  background: rgba(7, 23, 36, 0.94);
  backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.09);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
}

.brand-mark svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.brand-mark svg path:nth-child(2) {
  fill: var(--aqua);
  stroke: var(--aqua);
}

.brand-type {
  display: grid;
  line-height: 1;
  gap: 4px;
}

.brand-type strong {
  font-size: 14px;
  letter-spacing: 0.15em;
}

.brand-type > span {
  font-size: 8px;
  letter-spacing: 0.28em;
  opacity: 0.7;
}

.main-nav {
  display: flex;
  gap: clamp(22px, 2.4vw, 42px);
  align-items: center;
}

.main-nav a {
  position: relative;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--aqua);
  transition: right 220ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.header-cta {
  justify-self: end;
  padding: 11px 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--aqua);
}

.header-cta span {
  margin-left: 8px;
  color: var(--aqua);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 820px;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset-block: 0;
  left: 50%;
  width: min(calc(100% - var(--page-gutter) - var(--page-gutter)), var(--max));
  transform: translateX(-50%);
  border-inline: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.hero-media,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("./assets/hero-materials.webp");
  background-position: center center;
  background-size: cover;
  transform: scale(1.025);
  animation: hero-settle 1.8s cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(3, 15, 27, 0.95) 0%, rgba(3, 15, 27, 0.77) 34%, rgba(3, 15, 27, 0.17) 67%, rgba(3, 15, 27, 0.08) 100%),
    linear-gradient(0deg, rgba(3, 15, 27, 0.85) 0%, transparent 38%, rgba(3, 15, 27, 0.26) 100%);
}

.hero-grid {
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.17) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.17) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(calc(100% - var(--page-gutter) - var(--page-gutter)), var(--max));
  min-width: 0;
  padding-top: 40px;
}

.eyebrow,
.section-kicker,
.mini-kicker {
  margin: 0 0 26px;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 750;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.eyebrow span {
  width: 22px;
  height: 1px;
  background: var(--aqua);
}

.hero h1,
.section-heading h2,
.intro h2,
.technology h2,
.scale-story h2,
.responsibility h2,
.about h2,
.contact h2 {
  margin: 0;
  font-size: clamp(54px, 7vw, 108px);
  line-height: 0.92;
  font-weight: 480;
  letter-spacing: -0.063em;
}

.hero h1 {
  max-width: 860px;
}

.hero h1 em {
  color: var(--aqua);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-copy {
  max-width: 570px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}

.button {
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.04em;
  transition: background 180ms ease, color 180ms ease, border 180ms ease, transform 180ms ease;
}

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

.button-primary {
  color: var(--ink);
  background: var(--aqua);
}

.button-primary:hover {
  background: var(--white);
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.11);
}

.hero-foot {
  position: absolute;
  z-index: 2;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  min-height: 116px;
  width: min(100%, var(--max));
  display: grid;
  grid-template-columns: repeat(3, 1fr) 0.8fr;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.21);
}

.hero-fact {
  min-height: 58px;
  padding-right: 30px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-fact + .hero-fact {
  padding-left: 30px;
}

.hero-fact strong {
  font-size: clamp(20px, 2vw, 31px);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.hero-fact span {
  max-width: 120px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
  line-height: 1.45;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-fact sup {
  color: var(--aqua);
}

.hero-scroll {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 16px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-scroll i {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--aqua);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  font-style: normal;
}

.section-light {
  background: var(--paper);
}

.intro {
  padding: 142px 0 0;
}

.intro-grid,
.section-heading {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: clamp(60px, 10vw, 160px);
  align-items: end;
}

.section-kicker {
  color: #218c86;
}

.intro h2,
.section-heading h2,
.technology h2,
.scale-story h2,
.responsibility h2,
.about h2,
.contact h2 {
  font-size: clamp(42px, 5vw, 72px);
  line-height: 0.98;
}

.intro-copy > p,
.section-heading > p,
.technology-copy > p,
.responsibility-copy > p,
.about-content > p,
.contact-intro > p,
.scale-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.text-link,
.text-button {
  width: fit-content;
  display: inline-flex;
  gap: 12px;
  margin-top: 28px;
  padding: 0 0 8px;
  color: var(--ink);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
}

.text-link span {
  color: #16857f;
}

.value-strip {
  margin-top: 110px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.value-item {
  min-height: 260px;
  padding: 34px 36px 50px 0;
  border-right: 1px solid var(--line);
}

.value-item + .value-item {
  padding-left: 36px;
}

.value-item:last-child {
  border-right: 0;
}

.value-item > span,
.card-index {
  color: #219890;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.value-item h3 {
  margin: 70px 0 16px;
  font-size: 22px;
  font-weight: 550;
  letter-spacing: -0.03em;
}

.value-item p {
  max-width: 310px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.product-section {
  padding: 142px 0 105px;
  color: var(--white);
  background: var(--ink);
}

.section-heading {
  align-items: end;
  margin-bottom: 72px;
}

.section-heading.inverse > p {
  color: rgba(255, 255, 255, 0.58);
}

.finder {
  border-top: 1px solid var(--line-inverse);
}

.filter-bar {
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line-inverse);
}

.filter-apps {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filter-chip {
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.6);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
}

.filter-chip:hover,
.filter-chip.is-active {
  color: var(--ink);
  background: var(--aqua);
  border-color: var(--aqua);
}

.filter-controls {
  display: flex;
  align-items: end;
  gap: 14px;
}

.filter-controls label {
  display: grid;
  gap: 6px;
}

.filter-controls label > span:not(.sr-only) {
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.filter-controls select,
.filter-controls input {
  height: 42px;
  min-width: 130px;
  padding: 0 34px 0 13px;
  color: var(--white);
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: var(--radius);
  outline: none;
  font-size: 12px;
}

.filter-controls input {
  width: 150px;
  padding-right: 32px;
}

.filter-controls select:focus,
.filter-controls input:focus {
  border-color: var(--aqua);
}

.search-field {
  position: relative;
}

.search-field i {
  position: absolute;
  right: 12px;
  bottom: 12px;
  color: var(--aqua);
  font-style: normal;
}

.result-meta {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-meta strong {
  color: var(--aqua);
}

.grade-table {
  width: 100%;
  border-collapse: collapse;
}

.grade-table th {
  padding: 14px 14px 14px 0;
  color: rgba(255, 255, 255, 0.38);
  border-bottom: 1px solid var(--line-inverse);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-align: left;
  text-transform: uppercase;
}

.grade-table td {
  padding: 18px 14px 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.67);
  font-size: 13px;
  transition: background 150ms ease;
}

.grade-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.025);
}

.grade-table th:first-child,
.grade-table td:first-child {
  width: 76px;
  padding-left: 14px;
}

.grade-table .grade-name {
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.grade-table .grade-tag {
  display: inline-flex;
  padding: 5px 9px;
  color: #bffbf3;
  background: rgba(85, 232, 215, 0.08);
  border: 1px solid rgba(85, 232, 215, 0.22);
  border-radius: 20px;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compare-check {
  width: 18px;
  height: 18px;
  accent-color: var(--aqua);
  cursor: pointer;
}

.row-open {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--aqua);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  cursor: pointer;
}

.row-open:hover {
  color: var(--ink);
  background: var(--aqua);
  border-color: var(--aqua);
}

.empty-state {
  padding: 70px 0;
  text-align: center;
}

.empty-state h3 {
  margin: 0;
  font-size: 30px;
}

.empty-state p {
  color: rgba(255, 255, 255, 0.55);
}

.empty-state .text-button {
  margin-inline: auto;
  color: var(--aqua);
  border-color: var(--aqua);
}

.product-note {
  max-width: 760px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.34);
  font-size: 10px;
  line-height: 1.6;
}

.compare-tray {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), 760px);
  padding: 14px 16px 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--white);
  background: rgba(13, 37, 53, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.compare-label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.compare-pills {
  display: flex;
  gap: 7px;
}

.compare-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
}

.compare-pill button {
  color: rgba(255, 255, 255, 0.5);
  background: none;
  border: 0;
  cursor: pointer;
}

.button-small {
  min-height: 38px;
  padding-inline: 16px;
  color: var(--ink);
  background: var(--aqua);
}

.applications {
  padding: 140px 0;
}

.application-stage {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  color: var(--white);
  background: var(--ink-2);
}

.application-visual {
  position: relative;
  min-height: 580px;
  overflow: hidden;
  background:
    radial-gradient(circle at 60% 20%, rgba(85, 232, 215, 0.18), transparent 25%),
    linear-gradient(140deg, #122f42, #061522 70%);
}

.solar-cell-grid {
  position: absolute;
  inset: 16% -22% -20% 6%;
  transform: perspective(900px) rotateX(62deg) rotateZ(-13deg);
  transform-origin: center;
  background-image:
    linear-gradient(rgba(122, 220, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 220, 255, 0.5) 1px, transparent 1px),
    repeating-linear-gradient(90deg, #0b3956 0 82px, #0d4567 84px 164px);
  background-size: 82px 82px, 82px 82px, auto;
  box-shadow: 0 0 60px rgba(22, 157, 189, 0.16);
}

.film-layer {
  position: absolute;
  width: 72%;
  height: 38%;
  left: 15%;
  top: 26%;
  transform: rotate(-9deg) skewX(-12deg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.58), rgba(85, 232, 215, 0.03) 42%, rgba(255, 255, 255, 0.24));
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25), inset 0 0 40px rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(3px);
}

.visual-caption {
  position: absolute;
  left: 26px;
  bottom: 24px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.application-content {
  padding: clamp(46px, 6vw, 90px);
  display: flex;
  flex-direction: column;
}

.application-number {
  margin: 0;
  color: var(--aqua);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.application-copy-wrap {
  position: relative;
  flex: 1;
  min-height: 330px;
  margin-top: 74px;
}

.application-copy {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
}

.application-copy.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mini-kicker {
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.48);
}

.application-copy h3 {
  max-width: 480px;
  margin: 0 0 26px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 4vw, 62px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.045em;
}

.application-copy > p:not(.mini-kicker) {
  max-width: 500px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 15px;
  line-height: 1.7;
}

.application-copy .text-button {
  color: var(--aqua);
  border-color: var(--aqua);
}

.application-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.application-tabs button {
  padding: 20px 0 0;
  color: rgba(255, 255, 255, 0.38);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  text-align: left;
}

.application-tabs button.is-active {
  color: var(--aqua);
}

.technology {
  position: relative;
  padding: 160px 0;
  overflow: hidden;
  color: var(--white);
  background: #0a1e2c;
}

.technology-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(70px, 11vw, 170px);
}

.technology-copy > p {
  max-width: 500px;
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.56);
}

.button-outline {
  margin-top: 34px;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

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

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

.tech-item {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 64px 1fr;
  border-bottom: 1px solid var(--line-inverse);
}

.tech-item > span {
  color: var(--aqua);
  font-size: 10px;
}

.tech-item h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 550;
}

.tech-item p {
  max-width: 500px;
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
  line-height: 1.6;
}

.tech-orbit {
  position: absolute;
  right: -14vw;
  top: -19vw;
  width: 52vw;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: rgba(85, 232, 215, 0.1);
  border: 1px solid rgba(85, 232, 215, 0.12);
  border-radius: 50%;
  font-size: 9vw;
}

.tech-orbit span + span {
  position: absolute;
  transform: translate(2vw, 4vw);
  font-family: Georgia, serif;
}

.tech-orbit i {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(85, 232, 215, 0.1);
  border-radius: 50%;
}

.scale-story {
  padding: 160px 0;
  color: var(--white);
  background: #103b42;
}

.scale-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(60px, 10vw, 150px);
  align-items: center;
}

.scale-number > span {
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scale-number > strong {
  display: block;
  margin: 18px 0 6px;
  color: var(--aqua);
  font-size: clamp(86px, 11.5vw, 176px);
  font-weight: 470;
  line-height: 0.88;
  letter-spacing: -0.075em;
  font-variant-numeric: tabular-nums;
}

.scale-number > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scale-copy > p {
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.58);
}

.scale-stats {
  margin-top: 46px;
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.scale-stats div {
  display: grid;
  gap: 7px;
}

.scale-stats strong {
  font-size: 21px;
  font-weight: 520;
}

.scale-stats span {
  color: rgba(255, 255, 255, 0.44);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.responsibility {
  padding: 150px 0;
}

.responsibility-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(70px, 10vw, 150px);
}

.responsibility-copy > p {
  margin-top: 28px;
}

.responsibility-cards {
  display: grid;
  grid-template-columns: 1fr;
  align-self: start;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.32);
}

.responsibility-cards article {
  position: relative;
  min-height: 178px;
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  overflow: hidden;
}

.responsibility-cards article + article {
  border-top: 1px solid var(--line);
}

.responsibility-cards article::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: #15938a;
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 280ms ease;
}

.responsibility-cards article:hover::after {
  transform: scaleY(1);
}

.card-icon {
  width: 136px;
  height: 110px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(20, 137, 129, 0.045);
}

.card-icon svg {
  width: calc(100% - 18px);
  height: calc(100% - 18px);
  overflow: visible;
}

.digital-baseline,
.digital-signal {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.carbon-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.carbon-formula {
  font-family: Georgia, serif;
  font-size: 14px;
  line-height: 1;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.carbon-source {
  color: #52696d;
}

.carbon-product {
  color: #0d706b;
}

.carbon-arrow {
  color: #13837d;
  font-family: Arial, sans-serif;
  font-size: 17px;
  font-weight: 300;
  line-height: 1;
  transform: translateY(-1px);
}

.digital-baseline {
  stroke: #b7ceca;
  stroke-width: 1;
}

.digital-signal {
  stroke: #13837d;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.digital-node {
  fill: #f5f7f3;
  stroke: #13837d;
  stroke-width: 2;
}

.digital-node-live {
  fill: #13837d;
  stroke: #13837d;
}

.responsibility-cards h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 550;
  letter-spacing: -0.03em;
}

.responsibility-cards p {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.6;
}

.about {
  position: relative;
  min-height: 760px;
  padding: 150px 0;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 30%, rgba(85, 232, 215, 0.09), transparent 25%),
    var(--ink);
}

.about-content {
  position: relative;
  z-index: 2;
}

.about-content h2 {
  max-width: 790px;
}

.about-content > p {
  max-width: 610px;
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.57);
}

.about-meta {
  max-width: 680px;
  margin-top: 70px;
  padding-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.about-meta div {
  display: grid;
  gap: 10px;
}

.about-meta span {
  color: rgba(255, 255, 255, 0.38);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-meta strong {
  font-size: 15px;
  font-weight: 520;
}

.about-map {
  position: absolute;
  right: -8vw;
  top: 50%;
  transform: translateY(-50%);
  width: min(50vw, 660px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(85, 232, 215, 0.14);
  border-radius: 50%;
}

.map-ring {
  position: absolute;
  border: 1px solid rgba(85, 232, 215, 0.12);
  border-radius: 50%;
}

.ring-one { inset: 18%; }
.ring-two { inset: 37%; }

.map-point {
  width: 13px;
  height: 13px;
  background: var(--aqua);
  border: 4px solid rgba(85, 232, 215, 0.2);
  border-radius: 50%;
  box-sizing: content-box;
  box-shadow: 0 0 0 16px rgba(85, 232, 215, 0.05);
}

.about-map p {
  position: absolute;
  transform: translate(120px, 60px);
  margin: 0;
  color: var(--white);
  font-size: 13px;
  line-height: 1.5;
}

.about-map small {
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.contact {
  padding: 150px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(70px, 10vw, 160px);
}

.contact-intro > p {
  margin-top: 28px;
}

.contact-location {
  margin-top: 70px;
  padding-top: 24px;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.contact-location span {
  color: #218c86;
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.contact-location strong {
  font-size: 13px;
  font-weight: 550;
  line-height: 1.6;
}

.inquiry-form {
  display: grid;
  gap: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.inquiry-form label {
  display: grid;
  gap: 10px;
}

.inquiry-form label > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  padding: 15px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid #a8b0ae;
  border-radius: 0;
  outline: none;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: #178780;
}

.inquiry-form textarea {
  resize: vertical;
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.form-submit > p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

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

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

.form-result {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--white);
  background: var(--aqua-dark);
}

.form-result p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
}

.site-footer {
  padding: 80px 0 28px;
  color: var(--white);
  background: #04121c;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  padding-bottom: 70px;
}

.brand-footer {
  align-self: start;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 38px;
}

.footer-nav div {
  display: grid;
  align-content: start;
  gap: 13px;
}

.footer-nav span {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.32);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-nav a {
  width: fit-content;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

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

.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  max-width: 610px;
  margin: 0;
  color: rgba(255, 255, 255, 0.34);
  font-size: 9px;
  line-height: 1.5;
}

.modal {
  width: min(92vw, 880px);
  max-height: 88vh;
  padding: 0;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-radius: var(--radius);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.4);
}

.modal::backdrop {
  background: rgba(2, 12, 19, 0.78);
  backdrop-filter: blur(6px);
}

.modal-close {
  position: sticky;
  z-index: 2;
  float: right;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
}

.modal-inner {
  padding: 68px clamp(28px, 6vw, 74px) 60px;
}

.modal-kicker {
  margin: 0 0 20px;
  color: #16857f;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.modal h2 {
  margin: 0;
  font-size: clamp(44px, 7vw, 76px);
  letter-spacing: -0.06em;
}

.modal-lead {
  max-width: 590px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.modal-specs {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.modal-specs div {
  padding: 24px 20px 24px 0;
  display: grid;
  gap: 8px;
  border-right: 1px solid var(--line);
}

.modal-specs div + div {
  padding-left: 20px;
}

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

.modal-specs span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.modal-specs strong {
  font-size: 20px;
  font-weight: 550;
}

.modal-caution {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.compare-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.compare-column {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.compare-column:last-child {
  border-right: 0;
}

.compare-column h3 {
  margin: 0 0 26px;
  font-size: 24px;
}

.compare-column dl {
  margin: 0;
}

.compare-column dt {
  margin-top: 20px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.compare-column dd {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.5;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@keyframes hero-settle {
  from { opacity: 0; transform: scale(1.08); }
  to { opacity: 1; transform: scale(1.025); }
}

@media (max-width: 1050px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

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

  .menu-toggle {
    justify-self: end;
    width: 42px;
    height: 42px;
    display: grid;
    place-content: center;
    gap: 7px;
    color: var(--white);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
  }

  .menu-toggle span {
    width: 16px;
    height: 1px;
    display: block;
    background: currentColor;
  }

  .site-header .main-nav.is-open {
    position: fixed;
    inset: 72px 0 0;
    padding: 50px var(--pad);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    background: rgba(7, 23, 36, 0.98);
  }

  .site-header .main-nav.is-open a {
    font-size: 28px;
    letter-spacing: -0.03em;
  }

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

  .hero-scroll {
    display: none;
  }

  .intro-grid,
  .section-heading,
  .technology-grid,
  .responsibility-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .section-heading {
    gap: 36px;
  }

  .filter-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .filter-controls {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(150px, 190px) minmax(190px, 240px);
    justify-content: start;
    align-items: end;
  }

  .filter-controls label,
  .filter-controls select,
  .filter-controls input {
    width: 100%;
    min-width: 0;
  }

  .application-stage {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .scale-grid {
    grid-template-columns: 0.75fr 1.25fr;
  }

  .about-map {
    opacity: 0.55;
  }

  .contact-grid {
    gap: 70px;
  }
}

@media (max-width: 760px) {
  :root {
    --pad: 20px;
    --page-gutter: 20px;
  }

  .site-header,
  .site-header.is-scrolled {
    height: 70px;
  }

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

  .hero {
    min-height: 780px;
    height: auto;
    padding: 140px 0 210px;
  }

  .hero-media {
    background-position: 62% center;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(3, 15, 27, 0.92), rgba(3, 15, 27, 0.42)), linear-gradient(0deg, rgba(3, 15, 27, 0.9), transparent 60%);
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(42px, 12vw, 58px);
  }

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

  .hero-foot {
    min-height: 168px;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 14px;
  }

  .hero-fact {
    min-height: auto;
    padding: 0 !important;
    border: 0;
  }

  .hero-fact span {
    max-width: none;
  }

  .intro,
  .applications,
  .technology,
  .scale-story,
  .responsibility,
  .about,
  .contact {
    padding: 100px 0;
  }

  .value-strip,
  .responsibility-cards {
    grid-template-columns: 1fr;
  }

  .value-strip {
    margin-top: 76px;
  }

  .value-item,
  .value-item + .value-item {
    min-height: 220px;
    padding: 28px 0 36px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .value-item h3 {
    margin-top: 46px;
  }

  .product-section {
    padding: 100px 0 82px;
  }

  .section-heading {
    margin-bottom: 52px;
  }

  .filter-controls {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 12px;
  }

  .grade-table-wrap {
    overflow-x: auto;
    margin-inline: calc(var(--pad) * -1);
    padding-inline: var(--pad);
  }

  .grade-table {
    min-width: 730px;
  }

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

  .application-visual {
    min-height: 360px;
  }

  .application-content {
    min-height: 560px;
    padding: 42px 28px;
  }

  .application-copy-wrap {
    margin-top: 46px;
  }

  .application-copy h3 {
    font-size: 44px;
  }

  .technology-grid,
  .scale-grid {
    grid-template-columns: 1fr;
  }

  .tech-orbit {
    width: 92vw;
    right: -45vw;
  }

  .scale-grid {
    gap: 74px;
  }

  .scale-number > strong {
    font-size: clamp(72px, 22vw, 112px);
  }

  .scale-stats {
    gap: 20px;
  }

  .responsibility-cards article + article {
    border-top: 1px solid var(--line);
  }

  .responsibility-cards article {
    min-height: 164px;
    padding: 24px;
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 18px;
  }

  .card-icon {
    width: 116px;
    height: 96px;
  }

  .about {
    min-height: 860px;
  }

  .about-map {
    width: 100vw;
    right: -48vw;
    top: 77%;
  }

  .about-meta {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .form-submit,
  .form-result {
    align-items: stretch;
    flex-direction: column;
  }

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

  .footer-nav {
    gap: 32px;
  }

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

  .modal-specs,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .modal-specs div,
  .modal-specs div + div,
  .compare-column {
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .compare-tray {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 560px) {
  .responsibility-cards article {
    min-height: 0;
    padding: 22px;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .card-icon {
    width: 100%;
    height: 116px;
    place-items: center;
  }

  .responsibility-card-body {
    grid-column: 1;
  }

  .responsibility-cards h3 {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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