:root {
  --ink: #14212b;
  --ink-2: #263846;
  --muted: #6f7f8b;
  --paper: #f7f9f8;
  --panel: #ffffff;
  --panel-2: #eef4f2;
  --line: #d9e4e0;
  --line-strong: #b8c9c4;
  --aqua: #00b8b0;
  --aqua-dark: #008a85;
  --lime: #a8e063;
  --violet: #7a6ff0;
  --coral: #ff6b5f;
  --navy: #102a43;
  --shadow: 0 24px 70px rgba(16, 42, 67, 0.12);
  --radius: 8px;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, #eef7f5 0, #f7f9f8 360px, #f7f9f8 100%),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
}

body.modal-open {
  overflow: hidden;
}

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

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

.top-strip {
  background: var(--navy);
  color: #dff8f5;
  min-height: 36px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  overflow: hidden;
}

.top-strip span {
  white-space: nowrap;
}

.top-strip b {
  color: var(--lime);
}

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247, 249, 248, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav {
  max-width: 1220px;
  min-height: 74px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.24), transparent 42%),
    var(--navy);
  position: relative;
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 7px;
  border: 3px solid var(--aqua);
  border-left: 0;
  border-right: 0;
  transform: rotate(-24deg);
}

.brand-mark::after {
  transform: rotate(24deg);
  border-color: var(--lime);
  opacity: 0.8;
}

.brand span:last-child {
  font-size: 23px;
}

.brand em {
  color: var(--aqua-dark);
  font-style: normal;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 9px 13px;
  border-radius: var(--radius);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 800;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--panel-2);
  color: var(--aqua-dark);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  min-height: 42px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 30px rgba(20, 33, 43, 0.18);
}

.btn-primary:hover {
  background: var(--aqua-dark);
}

.btn-outline {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--aqua);
  color: var(--aqua-dark);
}

.hero {
  max-width: 1220px;
  margin: 0 auto;
  padding: 80px 28px 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 470px;
  gap: 56px;
  align-items: center;
}

.kicker {
  width: max-content;
  max-width: 100%;
  padding: 7px 11px;
  border: 1px solid rgba(0, 184, 176, 0.22);
  border-radius: 999px;
  color: var(--aqua-dark);
  background: rgba(0, 184, 176, 0.08);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 22px 0 18px;
  max-width: 720px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

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

.hero p {
  max-width: 650px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-proof {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 12px;
}

.proof {
  padding: 15px;
  border-left: 2px solid var(--aqua);
  background: rgba(255,255,255,0.58);
}

.proof strong {
  display: block;
  font-family: var(--mono);
  font-size: 22px;
}

.proof span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.node-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.node-head {
  min-height: 58px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
}

.status-pill {
  padding: 5px 9px;
  border-radius: 999px;
  color: #08645f;
  background: rgba(0, 184, 176, 0.12);
  font-weight: 800;
}

.node-body {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.rpc-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f1b24;
  color: #e9fffc;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
}

.rpc-box .line {
  display: block;
  color: #8be8de;
  margin-bottom: 7px;
}

.node-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.node-metric {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.node-metric span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.node-metric strong {
  display: block;
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 22px;
}

.section {
  max-width: 1220px;
  margin: 0 auto;
  padding: 76px 28px;
}

.section.alt {
  max-width: none;
  background: var(--navy);
  color: #f4fffd;
}

.section.alt > .section-inner {
  max-width: 1220px;
  margin: 0 auto;
}

.section-head {
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  max-width: 640px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-head p {
  margin: 0;
  max-width: 410px;
  color: var(--muted);
}

.section.alt .section-head p {
  color: #aac5c2;
}

.rail {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 18px;
}

.rail-panel,
.feature,
.region,
.pricing,
.blog-card,
.case-card,
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.rail-panel {
  padding: 24px;
}

.rail-panel h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.rail-panel p {
  margin: 0 0 20px;
  color: var(--muted);
}

.ledger-list {
  display: grid;
  gap: 10px;
}

.ledger-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--mono);
  font-size: 12px;
}

.ledger-row:last-child {
  border-bottom: 0;
}

.ledger-row strong {
  color: var(--aqua-dark);
}

.terminal {
  min-height: 420px;
  background: #09131a;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 20px;
  color: #e9fffc;
  font-family: var(--mono);
  box-shadow: 0 24px 60px rgba(0,0,0,0.22);
}

.terminal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}

.terminal-stat {
  padding: 15px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
}

.terminal-stat span {
  display: block;
  color: #89aaa5;
  font-size: 10px;
  text-transform: uppercase;
}

.terminal-stat strong {
  display: block;
  margin-top: 8px;
  color: var(--lime);
  font-size: 24px;
}

.mono-line {
  color: #80ded6;
  font-size: 12px;
  word-break: break-word;
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature {
  padding: 24px;
}

.icon {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--aqua-dark);
  font-family: var(--mono);
  font-weight: 900;
}

.feature h3 {
  margin: 0 0 9px;
  font-size: 16px;
}

.feature p,
.case-card p,
.blog-card p,
.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-card {
  padding: 26px;
}

.case-card small {
  color: var(--aqua-dark);
  font-family: var(--mono);
  font-weight: 800;
}

.case-card h3 {
  margin: 12px 0 10px;
  font-size: 21px;
}

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

.region {
  padding: 24px;
  display: grid;
  gap: 13px;
}

.region-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}

.bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--aqua), var(--lime));
}

.section.alt .region {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}

.section.alt .region-row span {
  color: #dff8f5;
}

.pricing-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pricing {
  padding: 26px;
}

.pricing.featured {
  border-color: var(--aqua);
  box-shadow: var(--shadow);
}

.pricing h3 {
  margin: 0 0 8px;
}

.price {
  margin: 18px 0;
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 900;
}

.price small {
  color: var(--muted);
  font-size: 13px;
}

.pricing ul {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  color: var(--muted);
  font-size: 13px;
}

.pricing li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--aqua-dark);
  font-weight: 900;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}

.blog-card {
  min-height: 230px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-card.large {
  min-height: 320px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(0, 184, 176, 0.82), rgba(16, 42, 67, 0.98)),
    var(--navy);
}

.blog-card.large p,
.blog-card.large .meta {
  color: #d8fffb;
}

.meta {
  color: var(--aqua-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.blog-card h3 {
  margin: 12px 0 10px;
  font-size: 23px;
  line-height: 1.18;
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-item {
  padding: 22px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.cta {
  max-width: 1220px;
  margin: 0 auto 78px;
  padding: 0 28px;
}

.cta-box {
  padding: 44px;
  border-radius: 18px;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(0, 184, 176, 0.92), rgba(16, 42, 67, 0.98)),
    var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.cta h2 {
  margin: 0 0 8px;
  font-size: 34px;
}

.cta p {
  margin: 0;
  color: #d8fffb;
}

.footer {
  background: var(--navy);
  color: #f4fffd;
}

.footer-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 48px 28px 28px;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 34px;
}

.footer a,
.footer p,
.footer li {
  color: #aac5c2;
  font-size: 13px;
}

.footer h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
}

.footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.footer-bottom {
  max-width: 1220px;
  margin: 0 auto;
  padding: 18px 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #8fb0ad;
  font-family: var(--mono);
  font-size: 11px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(16, 42, 67, 0.72);
  backdrop-filter: blur(10px);
}

.modal.show {
  display: flex;
}

.modal-card {
  width: min(480px, 100%);
  padding: 28px;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
  position: relative;
}

.modal-card h2 {
  margin: 0 0 6px;
}

.modal-card p {
  margin: 0 0 20px;
  color: var(--muted);
}

.close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 25px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.field label {
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.success {
  display: none;
  text-align: center;
  padding: 20px 6px 4px;
}

.success-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--aqua);
  color: #fff;
  font-size: 30px;
  font-weight: 900;
}

@media (max-width: 1040px) {
  .hero,
  .rail,
  .regions {
    grid-template-columns: 1fr;
  }

  .hero-proof,
  .features,
  .pricing-wrap,
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .blog-card.large {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .top-strip,
  .nav-links,
  .nav-actions .btn-outline {
    display: none;
  }

  .nav,
  .hero,
  .section,
  .cta,
  .footer-inner,
  .footer-bottom {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-proof,
  .node-metrics,
  .features,
  .case-grid,
  .pricing-wrap,
  .blog-grid,
  .faq,
  .footer-inner,
  .row,
  .terminal-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 30px 22px;
    flex-direction: column;
    align-items: flex-start;
  }
}