:root {
  --ink: #071310;
  --ink-soft: #54625d;
  --paper: #ffffff;
  --muted: #f5f7f3;
  --line: #d9e4dc;
  --green: #10b981;
  --green-dark: #0f8f67;
  --mint: #7fffd2;
  --gold: #b7791f;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--muted);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

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

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

.container {
  width: min(100% - 40px, 1280px);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(7, 19, 16, 0.92);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 21px;
  font-weight: 700;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 0 28px rgba(16, 185, 129, 0.45);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--mint);
}

.nav-cta,
.button,
.outline-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
}

.nav-cta {
  min-height: 44px;
  padding: 0 22px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  padding-top: 80px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  opacity: 0.92;
}

.hero-overlay {
  background: linear-gradient(
    90deg,
    rgba(7, 19, 16, 0.98) 0%,
    rgba(7, 19, 16, 0.82) 34%,
    rgba(7, 19, 16, 0.28) 74%,
    rgba(7, 19, 16, 0.1) 100%
  );
}

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 680px;
  padding-block: 76px;
}

.hero-copy {
  width: min(100%, 660px);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 24px;
  border: 1px solid rgba(127, 255, 210, 0.35);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  padding: 10px 16px;
  color: #b8ffe6;
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  letter-spacing: 0;
}

.hero-text {
  max-width: 610px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 20px;
  line-height: 1.7;
}

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

.button {
  min-height: 58px;
  padding: 0 28px;
}

.button.primary {
  background: var(--green);
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(16, 185, 129, 0.28);
}

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

.button.ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.button.ghost:hover {
  border-color: var(--mint);
  color: #b8ffe6;
}

.stats {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--line);
  gap: 1px;
}

.stats article {
  min-height: 130px;
  background: #fff;
  padding: 30px;
}

.stats strong {
  display: block;
  color: var(--ink);
  font-size: 42px;
  line-height: 1;
}

.stats span {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding-block: 96px;
  background: #fff;
}

.section.muted {
  background: var(--muted);
}

.section.dark {
  background: var(--ink);
  color: #fff;
}

.section-label {
  margin-bottom: 16px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.dark .section-label {
  color: var(--mint);
}

.section-head {
  margin-bottom: 56px;
}

.section-head.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  align-items: end;
  gap: 48px;
}

.section-head.narrow {
  max-width: 760px;
}

.section-head p,
.lead {
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.dark .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.product-grid,
.update-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card,
.update-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 28px;
  box-shadow: 0 18px 60px rgba(7, 19, 16, 0.06);
}

.product-card {
  min-height: 320px;
}

.product-card:hover,
.update-grid article:hover {
  border-color: var(--green);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-top span {
  border-radius: 999px;
  background: #e8f8ef;
  padding: 7px 12px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card-top b {
  color: var(--gold);
  font-size: 14px;
}

.product-card h3 {
  margin: 54px 0 18px;
  font-size: 31px;
}

.product-card p,
.update-grid p,
.pillars p,
.faq-list p,
.footer p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.product-card a {
  display: inline-flex;
  margin-top: 32px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  color: var(--ink);
  font-weight: 800;
}

.product-card a::after {
  content: " →";
}

.transparency-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 56px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.pillars article {
  border-left: 2px solid var(--green);
  padding-left: 20px;
}

.pillars h3 {
  margin-bottom: 12px;
  font-size: 17px;
}

.pillars p {
  font-size: 14px;
}

.reserve-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink);
  padding: 28px;
  color: #fff;
  box-shadow: 0 24px 80px rgba(7, 19, 16, 0.18);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 22px;
}

.panel-head span {
  color: var(--mint);
  font-size: 14px;
  font-weight: 800;
}

.panel-head h3 {
  margin: 9px 0 0;
  font-size: 26px;
}

.panel-head b {
  border-radius: 999px;
  background: var(--green);
  padding: 7px 12px;
  color: var(--ink);
  font-size: 12px;
}

.bars {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.bar-row div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 10px;
  font-size: 14px;
}

.bar-row span {
  color: rgba(255, 255, 255, 0.72);
}

.bar-row i {
  display: block;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.bar-row i::after {
  content: "";
  display: block;
  width: var(--value);
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.panel-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.panel-metrics div {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 18px;
}

.panel-metrics span {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.panel-metrics strong {
  display: block;
  margin-top: 9px;
  font-size: 26px;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.ecosystem-grid a {
  display: flex;
  min-height: 128px;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  background: #0b1f1a;
  padding: 28px;
  font-size: 22px;
  font-weight: 800;
}

.ecosystem-grid a:hover {
  background: #103128;
}

.ecosystem-grid span {
  color: var(--mint);
}

.outline-link {
  width: max-content;
  min-height: 48px;
  border: 1px solid rgba(7, 19, 16, 0.2);
  padding: 0 20px;
}

.outline-link:hover {
  border-color: var(--green-dark);
  color: var(--green-dark);
}

.update-grid span {
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
}

.update-grid h3 {
  margin: 24px 0 18px;
  font-size: 25px;
  line-height: 1.15;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 56px;
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding-block: 24px;
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 21px;
  font-weight: 800;
}

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

.faq-list summary::after {
  content: "+";
  float: right;
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: #e8f8ef;
  color: var(--green-dark);
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list p {
  max-width: 780px;
  margin: 18px 0 0;
}

.footer {
  background: var(--ink);
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 60px;
  padding-block: 64px;
}

.footer p {
  max-width: 600px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-links h3 {
  margin-bottom: 16px;
  font-size: 16px;
}

.footer-links a {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--mint);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 20px;
  color: rgba(255, 255, 255, 0.44);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .section-head.split,
  .transparency-grid,
  .faq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 40px, 1280px);
  }

  .nav {
    min-height: 80px;
  }

  .brand {
    font-size: 20px;
  }

  .nav-cta {
    min-height: 44px;
    padding-inline: 20px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(7, 19, 16, 0.97) 0%,
      rgba(7, 19, 16, 0.74) 58%,
      rgba(7, 19, 16, 0.28) 100%
    );
  }

  .hero-inner {
    min-height: 680px;
    align-items: start;
    padding-top: 84px;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 38px;
  }

  .hero-text,
  .section-head p,
  .lead {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .stats article {
    padding: 28px 20px;
  }

  .section {
    padding-block: 78px;
  }

  .panel-metrics,
  .footer-links {
    grid-template-columns: 1fr;
  }
}
