:root {
  --chain-bg: #08100f;
  --chain-panel: #111c1b;
  --chain-panel-2: #17221d;
  --chain-text: #f6fbf3;
  --chain-muted: #aebbb1;
  --chain-line: rgba(239, 246, 235, 0.16);
  --chain-mint: #4fc6a4;
  --chain-coral: #e46455;
  --chain-amber: #e3b65b;
  --chain-sky: #6ea7d8;
  --chain-violet: #9b77d6;
  --chain-lime: #a7c957;
}

.blockchain-page {
  background: #f4f6ef;
  color: #18201d;
}

.chain-header .brand-mark {
  background: rgba(79, 198, 164, 0.12);
}

.chain-hero {
  position: relative;
  min-height: min(820px, 82vh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--chain-text);
  background: var(--chain-bg);
  padding: 120px clamp(20px, 5vw, 72px) 84px;
}

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

.chain-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.15) contrast(1.08);
  transform: scale(1.02);
}

.chain-hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 13, 12, 0.92), rgba(6, 13, 12, 0.56) 44%, rgba(6, 13, 12, 0.1)),
    linear-gradient(0deg, rgba(6, 13, 12, 0.9), rgba(6, 13, 12, 0.16) 45%, rgba(6, 13, 12, 0.58));
}

.chain-hero-inner {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
}

.chain-hero h1 {
  max-width: 860px;
  margin: 16px 0 20px;
  font-size: clamp(48px, 8vw, 112px);
  line-height: 0.96;
  letter-spacing: 0;
}

.chain-hero-lead {
  max-width: 720px;
  margin: 0;
  color: rgba(246, 251, 243, 0.88);
  font-size: clamp(18px, 2.1vw, 26px);
  line-height: 1.65;
}

.chain-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.chain-hero .button.primary,
.chain-contact .button.primary {
  background: var(--chain-mint);
  color: #07100f;
}

.chain-hero .button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.chain-proof {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: -42px auto 0;
  color: var(--chain-text);
}

.chain-proof dl {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  border: 1px solid var(--chain-line);
  background: rgba(14, 26, 24, 0.88);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.chain-proof div {
  min-height: 112px;
  padding: 22px 20px;
  border-right: 1px solid var(--chain-line);
}

.chain-proof div:last-child {
  border-right: 0;
}

.chain-proof dt {
  color: var(--chain-mint);
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 860;
  line-height: 1;
}

.chain-proof dd {
  margin: 10px 0 0;
  color: var(--chain-muted);
  font-size: 14px;
  line-height: 1.5;
}

.chain-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0 0;
}

.chain-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: end;
}

.chain-intro h2,
.chain-section-head h2,
.architecture h2 {
  margin: 8px 0 0;
  color: #111915;
  font-size: clamp(32px, 4.6vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

.chain-intro p,
.chain-section-head p {
  margin: 0;
  color: #4f5c54;
  font-size: 17px;
  line-height: 1.85;
}

.chain-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.7fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  margin-bottom: 34px;
}

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

.contract-card,
.matrix-card,
.showcase-item {
  border: 1px solid rgba(24, 32, 29, 0.12);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 22px 50px rgba(25, 34, 30, 0.08);
}

.contract-card {
  display: grid;
  grid-template-rows: 280px 1fr;
}

.contract-primary {
  background: #0e1c1a;
  color: #f7fbf3;
}

.contract-visual {
  position: relative;
  background: #0c1211;
  overflow: hidden;
}

.contract-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 700ms ease;
}

.contract-card:hover .contract-visual img,
.showcase-item:hover img {
  transform: scale(1.035);
}

.contract-body {
  padding: 30px;
}

.case-tag {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(79, 198, 164, 0.14);
  color: #206f5a;
  font-size: 12px;
  font-weight: 800;
}

.contract-primary .case-tag {
  color: #bdf2df;
  background: rgba(79, 198, 164, 0.18);
}

.contract-card h3,
.matrix-card h3 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.16;
  letter-spacing: 0;
}

.contract-card p {
  margin: 0;
  color: #516059;
  line-height: 1.75;
}

.contract-primary p {
  color: rgba(247, 251, 243, 0.78);
}

.mini-spec {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.mini-spec div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(24, 32, 29, 0.1);
}

.contract-primary .mini-spec div {
  border-color: rgba(255, 255, 255, 0.12);
}

.mini-spec dt {
  color: #718078;
  font-size: 13px;
}

.contract-primary .mini-spec dt {
  color: rgba(247, 251, 243, 0.56);
}

.mini-spec dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 6px;
  background: #18201d;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.contract-primary .text-link {
  background: var(--chain-mint);
  color: #07100f;
}

.product-matrix {
  width: min(1260px, calc(100% - 40px));
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.matrix-card {
  min-height: 338px;
  padding: 28px;
  border-top: 5px solid var(--chain-mint);
}

.matrix-card > span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: rgba(79, 198, 164, 0.14);
  color: #14705a;
  font-weight: 900;
}

.matrix-card p {
  margin: 0 0 20px;
  color: #58655e;
  line-height: 1.75;
}

.matrix-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.matrix-card li {
  position: relative;
  padding-left: 16px;
  color: #27342f;
  font-size: 14px;
  line-height: 1.55;
}

.matrix-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.matrix-card.tone-red {
  border-top-color: var(--chain-coral);
}

.matrix-card.tone-red > span {
  color: #a43d32;
  background: rgba(228, 100, 85, 0.14);
}

.matrix-card.tone-green {
  border-top-color: var(--chain-lime);
}

.matrix-card.tone-green > span {
  color: #607a22;
  background: rgba(167, 201, 87, 0.2);
}

.matrix-card.tone-gold {
  border-top-color: var(--chain-amber);
}

.matrix-card.tone-gold > span {
  color: #8d661a;
  background: rgba(227, 182, 91, 0.24);
}

.matrix-card.tone-violet {
  border-top-color: var(--chain-violet);
}

.matrix-card.tone-violet > span {
  color: #6744a0;
  background: rgba(155, 119, 214, 0.16);
}

.matrix-card.tone-ink {
  border-top-color: #20342e;
}

.matrix-card.tone-ink > span {
  color: #f6fbf3;
  background: #20342e;
}

.showcase-band {
  width: min(1260px, calc(100% - 40px));
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-flow: dense;
  gap: 18px;
}

.showcase-item {
  position: relative;
  display: grid;
  grid-template-rows: 260px auto;
  margin: 0;
}

.showcase-item.large {
  grid-column: span 2;
  grid-row: span 2;
  grid-template-rows: 548px auto;
}

.showcase-item.tall {
  grid-row: span 2;
  grid-template-rows: 548px auto;
}

.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 700ms ease;
}

.showcase-item.tall img {
  object-position: center top;
}

.showcase-item figcaption {
  display: grid;
  gap: 6px;
  padding: 18px;
  min-height: 112px;
  background: #fff;
}

.showcase-item strong {
  font-size: 17px;
}

.showcase-item span {
  color: #5a6860;
  font-size: 14px;
  line-height: 1.6;
}

.architecture {
  padding-bottom: 96px;
}

.architecture-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(24, 32, 29, 0.12);
  background: #fff;
}

.architecture-rail li {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 238px;
  padding: 24px 18px;
  border-right: 1px solid rgba(24, 32, 29, 0.1);
}

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

.architecture-rail span {
  color: #14705a;
  font-weight: 900;
}

.architecture-rail strong {
  font-size: 19px;
}

.architecture-rail em {
  color: #5c6962;
  font-style: normal;
  font-size: 14px;
  line-height: 1.65;
}

.chain-contact {
  margin-top: 0;
  background:
    linear-gradient(90deg, rgba(8, 16, 15, 0.96), rgba(18, 36, 31, 0.92)),
    url("./assets/blockchain/masked-digital-wallet-mobile.png");
  background-size: cover;
  background-position: center;
  color: #fff;
}

.chain-contact h2,
.chain-contact p {
  color: #fff;
}

.chain-contact p {
  opacity: 0.82;
}

@media (max-width: 1060px) {
  .chain-proof dl,
  .matrix-grid,
  .showcase-grid,
  .architecture-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .chain-proof div:nth-child(2n) {
    border-right: 0;
  }

  .contract-grid,
  .chain-intro,
  .chain-section-head {
    grid-template-columns: 1fr;
  }

  .showcase-item.large,
  .showcase-item.tall {
    grid-column: span 1;
    grid-row: span 1;
    grid-template-rows: 320px auto;
  }

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

@media (max-width: 720px) {
  .chain-hero {
    min-height: 78vh;
    padding: 108px 20px 64px;
  }

  .chain-hero-shade {
    background:
      linear-gradient(90deg, rgba(6, 13, 12, 0.94), rgba(6, 13, 12, 0.62)),
      linear-gradient(0deg, rgba(6, 13, 12, 0.92), rgba(6, 13, 12, 0.2));
  }

  .chain-proof {
    width: calc(100% - 28px);
    margin-top: -24px;
  }

  .chain-proof dl,
  .matrix-grid,
  .showcase-grid,
  .architecture-rail {
    grid-template-columns: 1fr;
  }

  .chain-proof div,
  .architecture-rail li {
    border-right: 0;
    border-bottom: 1px solid var(--chain-line);
  }

  .chain-proof div:last-child,
  .architecture-rail li:last-child {
    border-bottom: 0;
  }

  .chain-section,
  .product-matrix,
  .showcase-band {
    width: calc(100% - 28px);
    padding-top: 72px;
  }

  .contract-card {
    grid-template-rows: 220px 1fr;
  }

  .contract-body,
  .matrix-card {
    padding: 22px;
  }

  .mini-spec div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .showcase-item,
  .showcase-item.large,
  .showcase-item.tall {
    grid-template-rows: 260px auto;
  }

  .architecture {
    padding-bottom: 72px;
  }
}

.contract-address {
  display: block;
  margin: 22px 0 0;
  border: 1px solid rgba(79, 198, 164, 0.24);
  border-radius: 6px;
  padding: 12px 14px;
  overflow-wrap: anywhere;
  background: rgba(79, 198, 164, 0.08);
  color: inherit;
  font-size: 13px;
  line-height: 1.6;
}

.data-note {
  margin: 18px 0 0;
  color: #6a766f;
  font-size: 13px;
}

.chain-cases {
  width: min(1260px, calc(100% - 40px));
}

.case-story {
  display: grid;
  grid-template-columns: minmax(320px, 0.76fr) minmax(0, 1.24fr);
  min-height: 520px;
  margin-bottom: 22px;
  overflow: hidden;
  border: 1px solid rgba(24, 32, 29, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 22px 50px rgba(25, 34, 30, 0.08);
}

.case-story.reverse {
  grid-template-columns: minmax(0, 1.24fr) minmax(320px, 0.76fr);
}

.case-story.reverse .case-story-copy {
  order: 2;
}

.case-story-copy {
  align-self: center;
  padding: clamp(30px, 5vw, 58px);
}

.case-story-copy h3 {
  margin: 0 0 18px;
  color: #13201b;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.case-story-copy p {
  margin: 0;
  color: #536159;
  font-size: 16px;
  line-height: 1.82;
}

.case-story-copy ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.case-story-copy li {
  position: relative;
  padding-left: 20px;
  color: #34443c;
  line-height: 1.65;
}

.case-story-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--chain-mint);
}

.case-story figure {
  min-width: 0;
  min-height: 520px;
  margin: 0;
  overflow: hidden;
  background: #09110f;
}

.case-story figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.assurance {
  padding-top: 0;
  padding-bottom: 96px;
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(24, 32, 29, 0.12);
  border-left: 1px solid rgba(24, 32, 29, 0.12);
}

.assurance-grid article {
  min-height: 230px;
  border-right: 1px solid rgba(24, 32, 29, 0.12);
  border-bottom: 1px solid rgba(24, 32, 29, 0.12);
  padding: 26px;
  background: #fff;
}

.assurance-grid span {
  color: #14705a;
  font-weight: 900;
}

.assurance-grid h3 {
  margin: 42px 0 12px;
  font-size: 23px;
}

.assurance-grid p {
  margin: 0;
  color: #5c6962;
  line-height: 1.72;
}

.chain-footer {
  color: #506159;
}

@media (max-width: 1060px) {
  .case-story,
  .case-story.reverse {
    grid-template-columns: 1fr;
  }

  .case-story.reverse .case-story-copy {
    order: 0;
  }

  .case-story figure {
    min-height: 380px;
  }

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

@media (max-width: 720px) {
  .chain-cases {
    width: calc(100% - 28px);
  }

  .case-story {
    min-height: 0;
  }

  .case-story-copy {
    padding: 26px 22px;
  }

  .case-story figure {
    min-height: 270px;
  }

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

  .assurance {
    padding-bottom: 72px;
  }
}