@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;600;700&display=swap");

:root {
  --ink: #07111f;
  --ink-soft: #0d1b2a;
  --ink-blue: #10293f;
  --paper: #f3f5f6;
  --paper-warm: #e9ecec;
  --white: #ffffff;
  --muted: #7f8a94;
  --line: rgba(13, 27, 42, 0.16);
  --line-light: rgba(255, 255, 255, 0.17);
  --cyan: #47b7dc;
  --cyan-bright: #66d1ef;
  --silver: #bdc6ce;
  --orange: #e97832;
  --container: min(91vw, 1500px);
  --ease: cubic-bezier(0.2, 0.72, 0.3, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

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

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

::selection {
  color: var(--ink);
  background: var(--cyan-bright);
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 1000;
  padding: 10px 18px;
  color: var(--ink);
  background: var(--white);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 16px;
}

.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;
}

.site-frame {
  position: fixed;
  inset: 0;
  z-index: 999;
  border: 10px solid var(--ink);
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 10px;
  right: 10px;
  left: 10px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 0 clamp(22px, 4vw, 68px);
  color: var(--white);
  background: linear-gradient(to bottom, rgba(7, 17, 31, 0.86), rgba(7, 17, 31, 0));
  transition:
    min-height 0.35s var(--ease),
    background 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease);
}

.site-header.is-scrolled {
  min-height: 68px;
  background: rgba(7, 17, 31, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-light);
}

.brand {
  position: relative;
  z-index: 2;
  width: clamp(190px, 17vw, 258px);
}

.brand img,
.footer-brand img {
  width: 100%;
  height: auto;
  filter: saturate(0.88) brightness(1.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 52px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.09em;
}

.site-nav > a:not(.nav-contact) {
  position: relative;
}

.site-nav > a:not(.nav-contact)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cyan-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.site-nav > a:hover::after,
.site-nav > a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  display: inline-flex;
  gap: 24px;
  align-items: center;
  padding: 11px 14px 11px 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition:
    color 0.3s,
    background 0.3s;
}

.nav-contact:hover {
  color: var(--ink);
  background: var(--white);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 172px max(5vw, 58px) 95px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 74% 28%, rgba(43, 113, 149, 0.19), transparent 34%),
    radial-gradient(circle at 18% 80%, rgba(17, 74, 110, 0.3), transparent 38%),
    var(--ink);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 26%;
  pointer-events: none;
  content: "";
  background: linear-gradient(to top, var(--ink), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    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: 80px 80px;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.3) 65%, transparent);
}

.hero-glow {
  position: absolute;
  width: 240px;
  height: 240px;
  pointer-events: none;
  filter: blur(80px);
  border-radius: 50%;
}

.hero-glow--one {
  top: 5%;
  right: 21%;
  background: rgba(71, 183, 220, 0.24);
}

.hero-glow--two {
  bottom: 5%;
  left: 40%;
  background: rgba(41, 87, 129, 0.3);
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(49vw, 750px);
  padding-top: 5vh;
}

.eyebrow,
.micro-label,
.section-number,
.section-kicker,
.hero-scroll {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.eyebrow {
  margin: 0 0 35px;
  color: var(--silver);
}

.eyebrow span {
  margin: 0 13px;
  color: var(--cyan-bright);
}

.hero-title,
.display-title {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.055em;
}

.hero-title {
  font-size: clamp(55px, 6.7vw, 112px);
}

.hero-title span,
.display-title span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.53);
}

.hero-lead {
  max-width: 600px;
  margin: 42px 0 0;
  color: rgba(255, 255, 255, 0.73);
  font-size: clamp(16px, 1.25vw, 21px);
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.06em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: clamp(30px, 4vw, 64px);
  margin-top: 50px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 46px;
  min-width: 206px;
  min-height: 62px;
  padding: 12px 15px 12px 25px;
  color: var(--ink);
  background: var(--white);
  border: 0;
  cursor: pointer;
  transition:
    color 0.3s,
    background 0.3s,
    transform 0.3s;
}

.button:hover {
  color: var(--white);
  background: var(--cyan);
  transform: translateY(-2px);
}

.button-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
}

.text-link,
.arrow-link {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 3px;
  font-size: 13px;
  border-bottom: 1px solid currentColor;
}

.text-link span,
.arrow-link span {
  transition: transform 0.3s var(--ease);
}

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

.hero-visual {
  position: absolute;
  top: 13vh;
  right: max(5vw, 58px);
  bottom: 12vh;
  z-index: 2;
  width: min(44vw, 690px);
}

.hero-image {
  position: absolute;
  margin: 0;
  overflow: hidden;
  background: var(--ink-soft);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.35);
}

.hero-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, transparent 58%, rgba(7, 17, 31, 0.85)),
    linear-gradient(120deg, rgba(14, 57, 86, 0.25), transparent 56%);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.13);
}

.hero-image figcaption {
  position: absolute;
  right: 22px;
  bottom: 16px;
  left: 22px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.78);
  font-size: 9px;
  letter-spacing: 0.2em;
}

.hero-image--main {
  top: 0;
  right: 0;
  width: 78%;
  height: 71%;
}

.hero-image--main img {
  object-position: 52% 50%;
}

.hero-image--sub {
  bottom: 0;
  left: 0;
  z-index: 2;
  width: 58%;
  height: 39%;
}

.hero-image--sub img {
  object-position: center;
}

.hero-orbit {
  position: absolute;
  right: -10px;
  bottom: 2%;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 8px;
  letter-spacing: 0.13em;
  transform: rotate(90deg) translateX(100%);
  transform-origin: right bottom;
}

.hero-orbit i {
  width: 17px;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: max(5vw, 58px);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 8px;
}

.hero-scroll span {
  width: 42px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.25);
}

.hero-scroll span::after {
  display: block;
  width: 50%;
  height: 100%;
  content: "";
  background: var(--cyan-bright);
  animation: scrollLine 2s var(--ease) infinite;
}

@keyframes scrollLine {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(200%);
  }
}

.signal-bar {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 0 5vw;
  color: var(--white);
  background: var(--ink);
  border-top: 1px solid var(--line-light);
}

.signal-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 152px;
  padding: 24px 6vw 24px 0;
  border-right: 1px solid var(--line-light);
}

.signal-item + .signal-item {
  padding-left: 6vw;
}

.signal-item:nth-child(3) {
  border-right: 0;
}

.signal-item strong {
  font-size: clamp(26px, 3vw, 46px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.signal-item strong i {
  color: var(--cyan);
  font-style: normal;
}

.signal-item span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.signal-line {
  position: absolute;
  right: 5vw;
  bottom: 0;
  left: 5vw;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.signal-line span {
  display: block;
  width: 33.333%;
  height: 100%;
  background: var(--cyan);
}

.section {
  position: relative;
  padding: clamp(100px, 12vw, 190px) 5vw;
}

.section-number {
  color: var(--muted);
  font-size: 9px;
}

.section-kicker {
  margin: 0 0 22px;
  color: var(--cyan);
  font-size: 10px;
  text-transform: uppercase;
}

.display-title {
  font-size: clamp(43px, 5vw, 83px);
}

.statement {
  background:
    linear-gradient(90deg, transparent 49.96%, rgba(7, 17, 31, 0.09) 50%, transparent 50.05%),
    var(--paper);
}

.statement > .section-number {
  margin-bottom: clamp(70px, 9vw, 130px);
}

.statement-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 11vw;
}

.statement .display-title span {
  -webkit-text-stroke-color: rgba(7, 17, 31, 0.4);
}

.statement-copy {
  padding-top: 55px;
}

.statement-copy p {
  margin: 0 0 26px;
  color: #3f4b54;
  font-size: clamp(15px, 1.12vw, 18px);
  line-height: 2.25;
}

.statement-sign {
  margin-top: 60px;
  padding-top: 18px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.2em;
  border-top: 1px solid var(--line);
}

.section--ink {
  color: var(--white);
  background: var(--ink-soft);
}

.section-heading,
.company-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) 1fr;
  margin-bottom: clamp(70px, 10vw, 145px);
}

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

.business-card {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  min-height: 630px;
  border-bottom: 1px solid var(--line-light);
}

.business-card__media {
  position: relative;
  min-height: 570px;
  overflow: hidden;
}

.business-card__media::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  border-right: 1px solid var(--line-light);
}

.business-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05);
  transition: transform 1.2s var(--ease);
}

.business-card:hover .business-card__media img {
  transform: scale(1.035);
}

.image-wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(7, 17, 31, 0.12), rgba(7, 17, 31, 0.45));
}

.business-index {
  position: absolute;
  top: 28px;
  left: 30px;
  z-index: 3;
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  font-size: 10px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.business-card__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(48px, 6vw, 100px);
}

.micro-label {
  margin: 0 0 20px;
  color: var(--cyan);
  font-size: 9px;
}

.business-card__content h3 {
  margin: 0 0 30px;
  font-size: clamp(30px, 3.2vw, 54px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.04em;
}

.business-card__content > p:not(.micro-label) {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 2.1;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 36px 0 58px;
  list-style: none;
}

.tag-list li {
  padding: 6px 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.business-card .arrow-link {
  margin-top: auto;
}

.silica-detail {
  background: var(--paper-warm);
}

.detail-intro {
  margin-bottom: clamp(70px, 9vw, 130px);
}

.detail-intro .section-number {
  margin-bottom: clamp(70px, 8vw, 110px);
}

.silica-detail .display-title span,
.network .display-title span {
  -webkit-text-stroke-color: rgba(7, 17, 31, 0.38);
}

.silica-feature {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 0;
  background: var(--white);
}

.silica-photo {
  position: relative;
  min-height: 680px;
  overflow: hidden;
}

.silica-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.03);
}

.photo-caption {
  position: absolute;
  right: 25px;
  bottom: 18px;
  left: 25px;
  display: flex;
  justify-content: space-between;
  color: var(--white);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.silica-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(40px, 5vw, 85px);
  border-left: 1px solid var(--line);
}

.silica-copy > p {
  margin: 0;
  color: #41505a;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 2.15;
}

.data-ring {
  display: grid;
  align-self: center;
  width: min(22vw, 300px);
  aspect-ratio: 1;
  margin-top: 65px;
  place-items: center;
  background: conic-gradient(var(--cyan) 0 19%, #d5dadd 19% 100%);
  border-radius: 50%;
}

.data-ring::before {
  width: 76%;
  aspect-ratio: 1;
  content: "";
  background: var(--white);
  border-radius: 50%;
}

.data-ring > div {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.data-ring strong {
  font-size: clamp(32px, 4vw, 62px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.06em;
}

.data-ring strong small {
  margin-left: 3px;
  font-size: 0.36em;
}

.data-ring span {
  margin-top: 12px;
  color: var(--muted);
  font-size: 7px;
  letter-spacing: 0.16em;
}

.use-cases {
  display: grid;
  grid-template-columns: 0.64fr 1.36fr;
  margin-top: clamp(90px, 11vw, 160px);
  border-top: 1px solid var(--line);
}

.use-cases__heading {
  padding: 44px 4vw 44px 0;
}

.use-cases__heading > span {
  color: var(--cyan);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.use-cases__heading h3 {
  margin: 16px 0 0;
  font-size: clamp(24px, 2.4vw, 38px);
  font-weight: 500;
}

.use-cases__list {
  padding: 0;
  margin: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.use-cases__list li {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  min-height: 104px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.use-cases__list li > span {
  padding-left: 30px;
  color: var(--muted);
  font-size: 9px;
}

.use-cases__list strong {
  font-size: clamp(16px, 1.5vw, 23px);
  font-weight: 500;
}

.use-cases__list i {
  padding-right: 28px;
  color: var(--muted);
  font-size: 9px;
  font-style: normal;
  letter-spacing: 0.1em;
}

.china-project {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8vw;
  margin-top: clamp(100px, 13vw, 190px);
  padding: clamp(55px, 7vw, 105px);
  color: var(--white);
  background: var(--ink);
}

.china-project h3 {
  margin: 0;
  font-size: clamp(30px, 3.5vw, 56px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.04em;
}

.china-project > div:last-child > p {
  margin: 0 0 50px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 2.15;
}

.partner-links {
  border-top: 1px solid var(--line-light);
}

.partner-links a {
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 12px;
  border-bottom: 1px solid var(--line-light);
}

.partner-links a:hover {
  color: var(--cyan-bright);
}

.section--steel {
  padding: 0;
  color: var(--white);
  background: #0b1015;
}

.steel-hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
}

.steel-hero > img {
  width: 100%;
  height: 88svh;
  object-fit: cover;
}

.steel-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 9, 12, 0.95) 0%, rgba(6, 9, 12, 0.62) 45%, rgba(6, 9, 12, 0.12)),
    linear-gradient(to top, #0b1015, transparent 45%);
}

.steel-hero__content {
  position: absolute;
  top: 50%;
  left: 5vw;
  width: min(720px, 60vw);
  transform: translateY(-42%);
}

.steel-hero__content .section-number {
  margin-bottom: clamp(70px, 8vw, 115px);
  color: rgba(255, 255, 255, 0.5);
}

.steel-content {
  padding: clamp(90px, 11vw, 160px) 5vw clamp(120px, 14vw, 200px);
}

.steel-lead {
  display: grid;
  grid-template-columns: 0.36fr 0.86fr 0.78fr;
  gap: 5vw;
  margin-bottom: clamp(80px, 10vw, 150px);
}

.steel-lead h3 {
  margin: 0;
  font-size: clamp(27px, 3vw, 50px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: -0.04em;
}

.steel-lead > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  line-height: 2.2;
}

.steel-gallery {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: 18px;
}

.steel-gallery figure {
  margin: 0;
  overflow: hidden;
  background: #171d22;
}

.steel-gallery figure:first-child {
  height: 620px;
}

.steel-gallery figure:last-child {
  height: 620px;
}

.steel-gallery img {
  width: 100%;
  height: calc(100% - 44px);
  object-fit: cover;
  filter: grayscale(0.45) contrast(1.1);
}

.steel-gallery figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: 0 17px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(70px, 8vw, 110px);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.product-grid > div {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 185px;
  padding: 28px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.product-grid span {
  color: var(--muted);
  font-size: 8px;
}

.product-grid strong {
  margin-top: auto;
  font-size: clamp(17px, 1.45vw, 23px);
  font-weight: 500;
}

.product-grid small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.product-grid__cta {
  padding: 0 !important;
}

.product-grid__cta a {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  padding: 28px;
  color: var(--ink);
  font-weight: 600;
  background: var(--cyan);
  transition: background 0.3s;
}

.product-grid__cta a:hover {
  background: var(--cyan-bright);
}

.network {
  display: grid;
  grid-template-columns: 1.07fr 0.93fr;
  gap: 0;
  padding: 0;
  background: var(--paper);
}

.network-image {
  position: relative;
  min-height: 820px;
  overflow: hidden;
}

.network-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.57) contrast(1.05);
}

.network-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(7, 17, 31, 0.25);
}

.network-map {
  position: absolute;
  inset: 0;
  z-index: 2;
  color: var(--white);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.point {
  position: absolute;
}

.point i {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 11px;
  border: 1px solid var(--white);
  border-radius: 50%;
  transform: translateY(-50%);
}

.point i::after {
  position: absolute;
  inset: 3px;
  content: "";
  background: var(--cyan-bright);
  border-radius: 50%;
}

.point--osaka {
  top: 35%;
  right: 23%;
}

.point--osaka i {
  right: -21px;
}

.point--china {
  top: 48%;
  left: 22%;
}

.point--china i {
  left: -21px;
}

.route {
  position: absolute;
  top: 43%;
  left: 27%;
  width: 48%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--white) 0 4px, transparent 4px 10px);
  transform: rotate(-9deg);
}

.network-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(55px, 8vw, 130px);
}

.network-copy .section-number {
  margin-bottom: 85px;
}

.network-copy > p:not(.section-kicker) {
  margin: 45px 0;
  color: #52606a;
  line-height: 2.15;
}

.network-copy dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

.network-copy dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.network-copy dt {
  color: var(--muted);
  font-size: 10px;
}

.network-copy dd {
  margin: 0;
  font-size: 13px;
}

.company {
  background: var(--white);
}

.company-heading {
  margin-bottom: clamp(70px, 9vw, 130px);
}

.company .display-title {
  font-size: clamp(44px, 5vw, 78px);
}

.company-content {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 9vw;
}

.company-table {
  margin: 0;
  border-top: 1px solid var(--ink);
}

.company-table > div {
  display: grid;
  grid-template-columns: 175px 1fr;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  color: var(--muted);
  font-size: 11px;
}

.company-table dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.company-table dd small {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.company-table a {
  border-bottom: 1px solid var(--line);
}

.company-note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  min-height: 560px;
  padding: 45px;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 17, 31, 0.68), rgba(7, 17, 31, 0.92)),
    url("/assets/images/silica-material-ai-v2.webp") center/cover;
}

.company-mark {
  display: grid;
  width: 82px;
  height: 82px;
  margin-bottom: auto;
  place-items: center;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  background: var(--white);
  border-radius: 50%;
}

.company-note p {
  margin: 0 0 25px;
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.7;
}

.company-note small {
  color: rgba(255, 255, 255, 0.45);
  font-size: 8px;
  letter-spacing: 0.15em;
}

.section--contact {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 9vw;
  color: var(--white);
  background:
    radial-gradient(circle at 20% 20%, rgba(31, 88, 119, 0.28), transparent 30%),
    var(--ink);
}

.contact-intro .section-number {
  margin-bottom: clamp(75px, 9vw, 130px);
  color: rgba(255, 255, 255, 0.5);
}

.contact-intro > p:not(.section-kicker) {
  max-width: 570px;
  margin: 45px 0;
  color: rgba(255, 255, 255, 0.58);
  line-height: 2.1;
}

.contact-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: fit-content;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line-light);
}

.contact-tel small,
.contact-tel span {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.contact-tel strong {
  margin: 5px 0;
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.contact-form {
  align-self: center;
  padding: clamp(38px, 5vw, 75px);
  color: var(--ink);
  background: var(--white);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-form label {
  display: block;
  margin-bottom: 25px;
}

.contact-form label > span {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-bottom: 7px;
  color: #4b5660;
  font-size: 10px;
}

.contact-form label > span i {
  color: var(--cyan);
  font-size: 8px;
  font-style: normal;
}

.contact-form input:not([type="checkbox"]),
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid #c8cfd4;
  border-radius: 0;
  outline: none;
  transition: border-color 0.25s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .privacy-check {
  display: flex;
  gap: 11px;
  align-items: center;
  margin: 33px 0;
}

.privacy-check input {
  width: 17px;
  height: 17px;
  accent-color: var(--ink);
}

.privacy-check span {
  display: inline !important;
  margin: 0 !important;
  font-size: 10px !important;
}

.privacy-check a {
  border-bottom: 1px solid currentColor;
}

.contact-form .honeypot {
  position: absolute;
  left: -9999px;
}

.button--submit {
  width: 100%;
  color: var(--white);
  background: var(--ink);
}

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

.button--submit i {
  font-style: normal;
}

.button--submit:disabled {
  cursor: wait;
  opacity: 0.55;
}

.form-status {
  min-height: 1.6em;
  margin: 15px 0 0;
  color: #42515b;
  font-size: 11px;
}

.form-status.is-error {
  color: #a83d30;
}

.form-status.is-success {
  color: #14735f;
}

.site-footer {
  padding: 70px 5vw 28px;
  color: var(--white);
  background: #040a11;
  border-top: 1px solid var(--line-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 5vw;
  padding-bottom: 70px;
}

.footer-brand {
  width: min(330px, 27vw);
}

.footer-top > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

.back-to-top {
  display: inline-flex;
  gap: 20px;
  align-items: center;
  font-size: 9px;
  letter-spacing: 0.16em;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 25px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 8px;
  letter-spacing: 0.14em;
  border-top: 1px solid var(--line-light);
}

.footer-bottom > div {
  display: flex;
  gap: 35px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}

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

.hero .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.hero .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.hero .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

@media (max-width: 1120px) {
  .site-nav {
    gap: 22px;
  }

  .hero {
    min-height: 940px;
  }

  .hero-copy {
    width: 54vw;
  }

  .hero-visual {
    right: 4vw;
    width: 42vw;
  }

  .business-card__content {
    padding: 55px;
  }

  .network-copy {
    padding: 65px;
  }

  .section--contact {
    gap: 5vw;
  }
}

@media (max-width: 860px) {
  .site-frame {
    border-width: 6px;
  }

  .site-header {
    top: 6px;
    right: 6px;
    left: 6px;
    min-height: 68px;
    padding: 0 22px;
  }

  .brand {
    width: 205px;
  }

  .menu-toggle {
    position: relative;
    z-index: 3;
    display: block;
    width: 42px;
    height: 42px;
    padding: 0;
    color: inherit;
    background: transparent;
    border: 0;
  }

  .menu-toggle span:not(.sr-only) {
    position: absolute;
    right: 4px;
    width: 27px;
    height: 1px;
    background: currentColor;
    transition: transform 0.3s var(--ease);
  }

  .menu-toggle span:first-child {
    top: 16px;
  }

  .menu-toggle span:nth-child(2) {
    top: 25px;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    top: 21px;
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    top: 21px;
    transform: rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 6px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: 110px 9vw 60px;
    color: var(--white);
    background: rgba(7, 17, 31, 0.98);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
      visibility 0.3s,
      opacity 0.3s;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav > a {
    width: 100%;
    padding: 18px 0;
    font-size: 20px;
    border-bottom: 1px solid var(--line-light);
  }

  .site-nav .nav-contact {
    justify-content: space-between;
    margin-top: 25px;
    padding: 18px;
    border: 1px solid var(--line-light);
  }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: auto;
    padding: 150px 28px 75px;
  }

  .hero-copy {
    width: 100%;
    padding: 0;
  }

  .hero-title {
    font-size: clamp(48px, 12vw, 76px);
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 25px;
  }

  .hero-visual {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    height: 550px;
    margin-top: 75px;
  }

  .hero-image--main {
    width: 84%;
    height: 72%;
  }

  .hero-image--sub {
    width: 60%;
    height: 40%;
  }

  .hero-scroll {
    display: none;
  }

  .signal-bar {
    grid-template-columns: 1fr;
    padding: 0 28px;
  }

  .signal-item,
  .signal-item + .signal-item {
    min-height: 105px;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .section {
    padding: 100px 28px;
  }

  .statement {
    background: var(--paper);
  }

  .statement-grid,
  .section-heading,
  .company-heading,
  .silica-feature,
  .use-cases,
  .china-project,
  .steel-lead,
  .network,
  .company-content,
  .section--contact {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .company-heading {
    gap: 65px;
  }

  .statement-copy {
    padding-top: 0;
  }

  .business {
    padding-right: 0;
    padding-left: 0;
  }

  .business > .section-heading {
    padding: 0 28px;
  }

  .business-card {
    grid-template-columns: 1fr;
  }

  .business-card__media {
    min-height: 430px;
  }

  .business-card__media::before {
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .business-card__content {
    min-height: 480px;
    padding: 55px 28px;
  }

  .silica-photo {
    min-height: 480px;
  }

  .silica-copy {
    min-height: 530px;
    padding: 45px 28px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .data-ring {
    width: min(64vw, 280px);
  }

  .use-cases {
    border: 0;
  }

  .use-cases__list {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .use-cases__list li {
    grid-template-columns: 48px 1fr;
  }

  .use-cases__list i {
    display: none;
  }

  .use-cases__list li > span {
    padding-left: 8px;
  }

  .china-project {
    gap: 60px;
    padding: 55px 28px;
  }

  .steel-hero,
  .steel-hero > img {
    min-height: 720px;
    height: 720px;
  }

  .steel-hero__content {
    right: 28px;
    left: 28px;
    width: auto;
  }

  .steel-content {
    padding: 100px 28px;
  }

  .steel-lead {
    gap: 28px;
  }

  .steel-gallery {
    grid-template-columns: 1fr;
  }

  .steel-gallery figure:first-child,
  .steel-gallery figure:last-child {
    height: 500px;
  }

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

  .network-image {
    min-height: 600px;
  }

  .network-copy {
    padding: 100px 28px;
  }

  .company-content {
    gap: 80px;
  }

  .company-note {
    min-height: 500px;
  }

  .section--contact {
    gap: 80px;
  }

  .contact-form {
    padding: 45px 28px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-brand {
    width: 270px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 560px) {
  .brand {
    width: 180px;
  }

  .desktop-only {
    display: none;
  }

  .hero {
    padding-top: 135px;
  }

  .hero-title {
    font-size: 12vw;
  }

  .hero-title span,
  .display-title span {
    -webkit-text-stroke-width: 0.7px;
  }

  .hero-visual {
    height: 430px;
  }

  .hero-image--main {
    width: 91%;
  }

  .hero-image--sub {
    width: 68%;
  }

  .display-title {
    font-size: 11vw;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .product-grid > div {
    min-height: 145px;
  }

  .company-table > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .network-image {
    min-height: 480px;
  }

  .footer-bottom > div {
    flex-direction: column;
    gap: 8px;
  }
}

/* ─────────────────────────────────────────────────────────────
   CORPORATE SUBPAGES
   ───────────────────────────────────────────────────────────── */

.site-nav a[aria-current="page"]:not(.nav-contact)::after {
  transform: scaleX(1);
}

.subpage {
  background: var(--paper);
}

.page-hero {
  position: relative;
  display: flex;
  min-height: 820px;
  padding: 170px max(5vw, 58px) 105px;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.page-hero__image,
.page-hero__shade {
  position: absolute;
  inset: 0;
}

.page-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero--silica .page-hero__image img {
  object-position: center 48%;
}

.page-hero--steel .page-hero__image img {
  object-position: center 52%;
}

.page-hero--company .page-hero__image img {
  object-position: center 42%;
}

.page-hero__shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(4, 11, 19, 0.96) 0%, rgba(5, 16, 27, 0.83) 38%, rgba(7, 17, 31, 0.15) 72%),
    linear-gradient(0deg, rgba(4, 10, 17, 0.72), transparent 48%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  width: min(980px, 75vw);
}

.breadcrumb {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: clamp(70px, 10vh, 120px);
  color: rgba(255, 255, 255, 0.46);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.page-hero__title {
  margin: 18px 0 28px;
  font-size: clamp(58px, 6.5vw, 110px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 1.12;
}

.page-hero__title span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.84);
}

.page-hero__lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: clamp(14px, 1.15vw, 18px);
  line-height: 2.15;
}

.page-hero__index {
  position: absolute;
  right: 4vw;
  bottom: -0.1em;
  z-index: 2;
  color: transparent;
  font-size: clamp(170px, 22vw, 340px);
  font-weight: 600;
  letter-spacing: -0.09em;
  line-height: 0.75;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.18);
}

.page-hero--company .page-hero__index {
  font-size: clamp(115px, 17vw, 260px);
  letter-spacing: -0.12em;
}

.editorial {
  display: grid;
  grid-template-columns: minmax(160px, 0.38fr) 1.62fr;
  gap: 7vw;
  background: var(--white);
}

.editorial__label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
}

.editorial__label span {
  color: var(--cyan);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.editorial__label small {
  color: var(--muted);
  font-size: 11px;
}

.editorial__body {
  display: grid;
  grid-template-columns: minmax(430px, 1.15fr) minmax(280px, 0.85fr);
  gap: 7vw;
  align-items: start;
}

.editorial__title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 4vw, 66px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.48;
}

.editorial__copy {
  padding-top: 8px;
  color: #4e5d68;
}

.editorial__copy p {
  margin: 0 0 28px;
  font-size: 14px;
  line-height: 2.2;
}

.material-data {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 0;
  padding: 0;
}

.material-data__visual {
  position: relative;
  min-height: 850px;
  overflow: hidden;
}

.material-data__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent 68%, rgba(7, 17, 31, 0.42));
}

.material-data__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-data__visual > span {
  position: absolute;
  bottom: 32px;
  left: 38px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.65);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.material-data__content {
  padding: clamp(75px, 8vw, 140px);
}

.material-data__content .display-title {
  margin-bottom: 75px;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 65px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.metric-grid > div {
  padding: 28px 20px 27px 0;
}

.metric-grid > div + div {
  padding-left: 28px;
  border-left: 1px solid var(--line-light);
}

.metric-grid strong {
  display: block;
  color: var(--white);
  font-size: clamp(35px, 4vw, 62px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
}

.metric-grid strong small {
  color: var(--cyan-bright);
  font-size: 0.38em;
}

.metric-grid span {
  display: block;
  margin-top: 13px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 8px;
  letter-spacing: 0.13em;
  line-height: 1.7;
}

.feature-lines {
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.feature-lines li {
  display: grid;
  grid-template-columns: 45px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-light);
}

.feature-lines li > span,
.feature-lines small {
  color: rgba(255, 255, 255, 0.4);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.feature-lines strong {
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
}

.value-flow {
  background: var(--paper);
}

.value-flow .section-heading {
  margin-bottom: clamp(75px, 8vw, 120px);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.process-grid li {
  position: relative;
  min-height: 330px;
  padding: 32px 26px;
  border-right: 1px solid var(--line);
}

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

.process-grid li > span {
  color: var(--cyan);
  font-size: 12px;
}

.process-grid li > small {
  position: absolute;
  top: 35px;
  right: 25px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.15em;
}

.process-grid h3 {
  margin: 95px 0 16px;
  font-size: clamp(19px, 1.6vw, 25px);
  font-weight: 500;
}

.process-grid p {
  margin: 0;
  color: #61707a;
  font-size: 12px;
  line-height: 2;
}

.process-grid--five {
  grid-template-columns: repeat(5, 1fr);
}

.process-grid--five li {
  min-height: 350px;
}

.application {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 9vw;
  background: var(--white);
}

.application__intro > p:last-child {
  max-width: 540px;
  margin: 45px 0 0;
  color: #5c6972;
  font-size: 13px;
  line-height: 2.1;
}

.application__list {
  border-top: 1px solid var(--ink);
}

.application__list article {
  display: grid;
  grid-template-columns: 65px 1fr auto;
  gap: 25px;
  align-items: center;
  min-height: 120px;
  border-bottom: 1px solid var(--line);
}

.application__list article > span {
  color: var(--cyan);
  font-size: 10px;
}

.application__list h3 {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 23px);
  font-weight: 500;
}

.application__list small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.section--paper-dark {
  background: #e8ecee;
}

.partners__heading {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: 4vw;
  margin-bottom: 100px;
}

.partners__heading .section-kicker,
.partners__heading .display-title {
  grid-column: 2;
}

.partner-map {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 25px;
  align-items: stretch;
}

.partner-map > a,
.partner-map > article {
  display: flex;
  min-height: 265px;
  padding: 30px;
  flex-direction: column;
  background: var(--white);
  border-top: 3px solid var(--ink);
}

.partner-map > a {
  transition: color 0.3s, background 0.3s, transform 0.3s var(--ease);
}

.partner-map > a:hover {
  color: var(--white);
  background: var(--ink);
  transform: translateY(-5px);
}

.partner-map > div {
  display: grid;
  color: var(--muted);
  place-items: center;
}

.partner-map small {
  color: var(--cyan);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.partner-map strong {
  margin: auto 0 20px;
  font-size: clamp(17px, 1.6vw, 23px);
  font-weight: 500;
  line-height: 1.65;
}

.partner-map span {
  color: var(--muted);
  font-size: 10px;
}

.page-cta {
  display: flex;
  min-height: 430px;
  padding: clamp(80px, 9vw, 145px) max(5vw, 70px);
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 0%, rgba(71, 183, 220, 0.24), transparent 34%),
    var(--ink-blue);
}

.page-cta--steel {
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.96), rgba(7, 17, 31, 0.72)),
    url("/assets/images/steel-products-ai.webp") center/cover;
}

.page-cta__copy small {
  color: var(--cyan-bright);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.page-cta__copy h2 {
  margin: 22px 0 0;
  font-size: clamp(28px, 3.3vw, 54px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.5;
}

.button--light {
  min-width: min(420px, 35vw);
  justify-content: space-between;
  color: var(--ink);
  background: var(--white);
}

.button--light:hover {
  color: var(--white);
  background: var(--cyan);
}

.steel-showcase {
  padding-bottom: 0;
}

.steel-showcase__lead {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7vw;
  align-items: end;
  margin-bottom: 80px;
}

.steel-showcase__lead .section-kicker {
  grid-column: 1 / -1;
}

.steel-showcase__lead > p:last-child {
  margin: 0 0 7px;
  color: rgba(255, 255, 255, 0.53);
  font-size: 13px;
  line-height: 2.1;
}

.steel-showcase__gallery {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 14px;
}

.steel-showcase__gallery figure {
  position: relative;
  height: 620px;
  margin: 0;
  overflow: hidden;
}

.steel-showcase__gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.steel-showcase__gallery figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  padding: 22px 26px;
  justify-content: space-between;
  color: var(--white);
  font-size: 8px;
  letter-spacing: 0.15em;
  background: linear-gradient(transparent, rgba(5, 12, 20, 0.8));
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 calc(max(5vw, 58px) * -1);
  margin-top: 14px;
  border-top: 1px solid var(--line-light);
}

.catalog-grid article {
  min-height: 225px;
  padding: 32px max(3vw, 30px);
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.catalog-grid article:nth-child(3n) {
  border-right: 0;
}

.catalog-grid span {
  color: var(--cyan-bright);
  font-size: 9px;
}

.catalog-grid h3 {
  margin: 65px 0 6px;
  color: var(--white);
  font-size: 19px;
  font-weight: 500;
}

.catalog-grid small {
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.spec-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 9vw;
}

.spec-section__intro > p:last-child {
  margin: 40px 0 0;
  color: #5b6871;
  font-size: 13px;
  line-height: 2;
}

.spec-list {
  margin: 0;
  border-top: 1px solid var(--ink);
}

.spec-list > div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 25px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  color: var(--cyan);
  font-size: 10px;
}

.spec-list dd {
  display: grid;
  grid-template-columns: minmax(150px, 0.62fr) 1.38fr;
  gap: 25px;
  margin: 0;
}

.spec-list strong {
  font-size: 15px;
  font-weight: 500;
}

.spec-list span {
  color: #69757d;
  font-size: 12px;
}

.philosophy {
  display: grid;
  grid-template-columns: 0.52fr 1.48fr;
  gap: 8vw;
  align-items: start;
  background: var(--white);
}

.philosophy__mark {
  color: var(--cyan);
  font-size: clamp(45px, 6.5vw, 102px);
  font-weight: 600;
  letter-spacing: -0.08em;
  line-height: 0.88;
}

.philosophy__content .editorial__title {
  margin: 20px 0 60px;
}

.philosophy__content .editorial__copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
  max-width: 950px;
}

.strengths .section-heading {
  margin-bottom: 100px;
}

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

.strength-grid article {
  position: relative;
  min-height: 430px;
  padding: 35px;
  border-right: 1px solid var(--line-light);
}

.strength-grid article:last-child {
  border-right: 0;
}

.strength-grid article > span {
  color: var(--cyan-bright);
  font-size: 12px;
}

.strength-grid article > small {
  position: absolute;
  top: 38px;
  right: 35px;
  color: rgba(255, 255, 255, 0.36);
  font-size: 8px;
  letter-spacing: 0.15em;
}

.strength-grid h3 {
  margin: 150px 0 25px;
  font-size: clamp(21px, 2vw, 29px);
  font-weight: 500;
}

.strength-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.53);
  font-size: 13px;
  line-height: 2.1;
}

.network-band {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  min-height: 760px;
}

.network-band__image {
  overflow: hidden;
}

.network-band__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.network-band__copy {
  display: flex;
  padding: clamp(65px, 7vw, 115px);
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  background: var(--ink-blue);
}

.network-band__copy h2 {
  margin: 25px 0 80px;
  font-size: clamp(31px, 3.6vw, 57px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1.55;
}

.network-band__copy dl {
  margin: 0;
  border-top: 1px solid var(--line-light);
}

.network-band__copy dl > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-light);
}

.network-band__copy dt {
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.network-band__copy dd {
  margin: 0;
  font-size: 13px;
}

.profile {
  background: var(--paper);
}

.profile__heading {
  margin-bottom: 90px;
}

.profile__content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 9vw;
}

.profile__card {
  display: flex;
  min-height: 580px;
  padding: 42px;
  flex-direction: column;
  color: var(--white);
  background:
    linear-gradient(rgba(6, 15, 25, 0.38), rgba(6, 15, 25, 0.92)),
    url("/assets/images/steel-products-ai.webp") center/cover;
}

.profile__card > span,
.profile__card > small {
  font-size: 8px;
  letter-spacing: 0.17em;
}

.profile__card > span {
  color: var(--cyan-bright);
}

.profile__card > strong {
  margin-top: auto;
  font-size: clamp(27px, 3vw, 46px);
  font-weight: 500;
  line-height: 1.55;
}

.profile__card > small {
  margin-top: 25px;
  color: rgba(255, 255, 255, 0.4);
}

.contact-main {
  min-height: 100vh;
  padding-top: 68px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 5%, rgba(36, 111, 151, 0.25), transparent 25%),
    var(--ink);
}

.contact-header {
  padding: 95px max(5vw, 58px) 85px;
  border-bottom: 1px solid var(--line-light);
}

.contact-header .breadcrumb {
  margin-bottom: 70px;
}

.contact-header h1 {
  margin: 18px 0 30px;
  font-size: clamp(55px, 7vw, 112px);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 1.15;
}

.contact-header h1 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.82);
}

.contact-header > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.53);
  font-size: 14px;
  line-height: 2.2;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 7vw;
  padding: clamp(75px, 9vw, 140px) max(5vw, 58px);
}

.contact-aside > div {
  display: flex;
  padding-bottom: 45px;
  flex-direction: column;
  border-bottom: 1px solid var(--line-light);
}

.contact-aside small {
  color: var(--cyan-bright);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.contact-aside > div a {
  margin: 10px 0 3px;
  font-size: clamp(34px, 4vw, 58px);
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.contact-aside > div p,
.contact-aside__note {
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
}

.contact-aside dl {
  margin: 45px 0;
}

.contact-aside dl > div {
  padding: 17px 0;
  border-bottom: 1px solid var(--line-light);
}

.contact-aside dt {
  color: var(--white);
  font-size: 13px;
}

.contact-aside dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
}

.contact-aside__note {
  max-width: 450px;
  line-height: 2;
}

.contact-form--page {
  align-self: start;
  padding: clamp(42px, 5vw, 75px);
}

.form-heading {
  display: flex;
  margin-bottom: 55px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
}

.form-heading > span {
  color: var(--ink);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.form-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
}

.form-heading i {
  color: var(--cyan);
  font-style: normal;
}

@media (max-width: 1120px) {
  .page-hero {
    min-height: 760px;
  }

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

  .material-data__content {
    padding: 75px 55px;
  }

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

  .process-grid--five li:nth-child(3) {
    border-right: 0;
  }

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

  .partner-map {
    gap: 14px;
  }

  .partner-map > a,
  .partner-map > article {
    padding: 24px;
  }

  .contact-layout {
    gap: 5vw;
  }
}

@media (max-width: 860px) {
  .page-hero {
    min-height: 720px;
    padding: 145px 28px 75px;
  }

  .page-hero__content {
    width: 100%;
  }

  .page-hero__shade {
    background:
      linear-gradient(0deg, rgba(4, 11, 19, 0.96) 0%, rgba(5, 16, 27, 0.72) 62%, rgba(7, 17, 31, 0.25)),
      linear-gradient(90deg, rgba(4, 11, 19, 0.65), transparent);
  }

  .breadcrumb {
    margin-bottom: 80px;
  }

  .page-hero__title {
    font-size: clamp(46px, 12vw, 76px);
  }

  .page-hero__index {
    right: 20px;
    font-size: 42vw;
  }

  .editorial,
  .material-data,
  .application,
  .spec-section,
  .philosophy,
  .network-band,
  .profile__content,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .editorial {
    gap: 60px;
  }

  .editorial__body {
    gap: 50px;
  }

  .material-data__visual {
    min-height: 560px;
  }

  .material-data__content {
    padding: 90px 28px;
  }

  .process-grid,
  .process-grid--five {
    grid-template-columns: 1fr 1fr;
  }

  .process-grid li,
  .process-grid--five li {
    min-height: 290px;
    border-top: 1px solid var(--line);
  }

  .process-grid li:nth-child(2n) {
    border-right: 0;
  }

  .process-grid li:nth-child(-n + 2) {
    border-top: 0;
  }

  .application {
    gap: 70px;
  }

  .partners__heading {
    display: block;
    margin-bottom: 70px;
  }

  .partner-map {
    grid-template-columns: 1fr;
  }

  .partner-map > div {
    min-height: 45px;
    transform: rotate(90deg);
  }

  .partner-map > a,
  .partner-map > article {
    min-height: 230px;
  }

  .page-cta {
    min-height: 500px;
    padding: 85px 28px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .button--light {
    width: 100%;
    min-width: 0;
  }

  .steel-showcase__lead {
    grid-template-columns: 1fr;
  }

  .steel-showcase__gallery {
    grid-template-columns: 1fr;
  }

  .steel-showcase__gallery figure {
    height: 500px;
  }

  .catalog-grid {
    grid-template-columns: 1fr 1fr;
    margin-right: -28px;
    margin-left: -28px;
  }

  .catalog-grid article:nth-child(3n) {
    border-right: 1px solid var(--line-light);
  }

  .catalog-grid article:nth-child(2n) {
    border-right: 0;
  }

  .spec-section {
    gap: 70px;
  }

  .philosophy {
    gap: 75px;
  }

  .philosophy__content .editorial__copy {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .strength-grid article {
    min-height: 340px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .strength-grid h3 {
    margin-top: 110px;
  }

  .network-band__image {
    min-height: 600px;
  }

  .network-band__copy {
    padding: 100px 28px;
  }

  .profile__content {
    gap: 75px;
  }

  .contact-header {
    padding: 90px 28px 75px;
  }

  .contact-header .breadcrumb {
    margin-bottom: 70px;
  }

  .contact-layout {
    padding: 80px 28px 100px;
    gap: 75px;
  }
}

@media (max-width: 560px) {
  .page-hero {
    min-height: 670px;
  }

  .page-hero__lead br,
  .contact-header > p:last-child br {
    display: none;
  }

  .page-hero__index {
    opacity: 0.8;
  }

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

  .metric-grid > div + div {
    padding-left: 0;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .feature-lines li {
    grid-template-columns: 38px 1fr;
  }

  .feature-lines small {
    display: none;
  }

  .process-grid,
  .process-grid--five {
    grid-template-columns: 1fr;
  }

  .process-grid li,
  .process-grid--five li {
    min-height: 255px;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .process-grid li:first-child {
    border-top: 0;
  }

  .process-grid h3 {
    margin-top: 70px;
  }

  .application__list article {
    grid-template-columns: 42px 1fr;
  }

  .application__list small {
    display: none;
  }

  .steel-showcase__gallery figure {
    height: 420px;
  }

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

  .catalog-grid article,
  .catalog-grid article:nth-child(3n) {
    border-right: 0;
  }

  .spec-list > div,
  .spec-list dd {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .spec-list dt {
    margin-bottom: 8px;
  }

  .profile__card {
    min-height: 480px;
    padding: 32px;
  }

  .contact-header h1 {
    font-size: 12vw;
  }

  .form-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .contact-form--page {
    margin: 0 -12px;
  }
}

@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;
  }
}