:root {
  --navy: #071b33;
  --ink: #102033;
  --muted: #607086;
  --line: #dbe4ef;
  --surface: #ffffff;
  --soft: #f4f7fb;
  --cyan: #17b8c9;
  --green: #29c184;
  --orange: #ffb057;
  --shadow: 0 22px 60px rgba(7, 27, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  background: var(--surface);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 860px;
}

.section {
  padding: 92px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 228, 239, 0.75);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-size: 1.15rem;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-size: 0.78rem;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--navy), #0a778a);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #3c4d62;
  font-size: 0.95rem;
  font-weight: 600;
}

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

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 22px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.btn-small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.9rem;
}

.btn-primary {
  color: #06182d;
  background: var(--green);
  box-shadow: 0 12px 28px rgba(41, 193, 132, 0.24);
}

.btn-primary:hover {
  background: #34d795;
}

.btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
}

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

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

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  padding: 52px 0;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 72% 24%, rgba(23, 184, 201, 0.34), transparent 28%),
    linear-gradient(135deg, #06162b 0%, #092845 54%, #071b33 100%);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.08));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(320px, 0.72fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  margin: 0 0 18px;
  border: 1px solid rgba(41, 193, 132, 0.44);
  border-radius: 999px;
  padding: 0 14px;
  color: #dffcf1;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(41, 193, 132, 0.12);
}

.hero h1,
.section h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.06;
}

.hero h1 {
  max-width: 700px;
  font-size: clamp(2.4rem, 4.35vw, 3.55rem);
}

.hero-subtitle {
  max-width: 760px;
  margin: 22px 0 0;
  color: #dce8f5;
  font-size: clamp(1.04rem, 1.7vw, 1.18rem);
}

.hero-support {
  max-width: 700px;
  margin: 14px 0 0;
  color: #b9c9da;
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.22);
}

.network-map {
  position: relative;
  display: grid;
  min-height: 280px;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.network-map::before,
.network-map::after {
  position: absolute;
  content: "";
  background: rgba(23, 184, 201, 0.28);
  transform: rotate(-24deg);
}

.network-map::before {
  width: 78%;
  height: 2px;
  top: 44%;
  left: 12%;
}

.network-map::after {
  width: 62%;
  height: 2px;
  top: 56%;
  left: 18%;
  transform: rotate(28deg);
}

.node {
  z-index: 1;
  align-self: center;
  justify-self: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 9px 12px;
  color: #eff9ff;
  font-size: 0.82rem;
  font-weight: 800;
  background: rgba(8, 32, 57, 0.88);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.node-primary {
  grid-column: 3 / 5;
  grid-row: 3 / 5;
  min-width: 122px;
  padding: 14px 18px;
  text-align: center;
  color: #06182d;
  background: var(--green);
}

.node:nth-child(2) {
  grid-column: 1 / 3;
  grid-row: 2 / 3;
}

.node:nth-child(3) {
  grid-column: 5 / 7;
  grid-row: 2 / 3;
}

.node:nth-child(4) {
  grid-column: 1 / 3;
  grid-row: 5 / 6;
}

.node:nth-child(5) {
  grid-column: 5 / 7;
  grid-row: 5 / 6;
}

.node:nth-child(6) {
  grid-column: 3 / 5;
  grid-row: 1 / 2;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.metric-row div {
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
}

.metric-row strong,
.metric-row span {
  display: block;
}

.metric-row strong {
  margin-bottom: 6px;
  color: #fff;
}

.metric-row span {
  color: #bed0df;
  font-size: 0.88rem;
}

.intro-section {
  background: var(--soft);
}

.section h2 {
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.35rem);
}

.section-lead {
  margin: 22px 0 0;
  color: #405168;
  font-size: 1.12rem;
}

.section-lead {
  max-width: 880px;
  margin-top: -12px;
  margin-bottom: 34px;
}

.section-heading {
  display: grid;
  max-width: 780px;
  gap: 8px;
  margin-bottom: 34px;
}

.concept-grid,
.benefit-grid {
  display: grid;
  gap: 18px;
}

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

.concept-card,
.benefit-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(7, 27, 51, 0.06);
}

.concept-card {
  min-height: 172px;
  padding: 24px;
}

.icon {
  display: inline-flex;
  width: 46px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #07465a;
  font-size: 0.82rem;
  font-weight: 800;
  background: #dff7f7;
}

.concept-card h3,
.benefit-card h3 {
  margin: 22px 0 0;
  color: var(--navy);
  font-size: 1.1rem;
  line-height: 1.3;
}

.concept-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.compact-grid .concept-card {
  min-height: 210px;
}

.trust-section {
  background: #fff;
}

.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(420px, 1fr);
  gap: 56px;
  align-items: start;
}

.trust-copy {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(23, 184, 201, 0.08), transparent 46%),
    #fff;
  box-shadow: var(--shadow);
}

.trust-copy p {
  margin: 0;
  color: #405168;
  font-size: 1.06rem;
}

.disclaimer {
  margin-top: 20px !important;
  border-left: 4px solid var(--cyan);
  padding: 14px 0 14px 16px;
  color: #526277 !important;
  font-size: 0.94rem !important;
  background: rgba(244, 247, 251, 0.8);
}

.benefits-section {
  background:
    linear-gradient(180deg, #fff 0%, #f5f8fb 100%);
}

.benefit-grid {
  grid-template-columns: repeat(4, 1fr);
}

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

.benefit-card {
  position: relative;
  min-height: 220px;
  padding: 26px;
  overflow: hidden;
}

.benefit-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), var(--green), var(--orange));
}

.benefit-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.coming-section {
  color: #fff;
  background: var(--navy);
}

.coming-card {
  max-width: 860px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 42px;
  background:
    radial-gradient(circle at 88% 14%, rgba(23, 184, 201, 0.18), transparent 30%),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.18);
}

.coming-card h2 {
  color: #fff;
}

.coming-card p:last-child {
  max-width: 680px;
  margin: 18px 0 0;
  color: #c0cedd;
  font-size: 1.08rem;
}

.site-footer {
  border-top: 1px solid #102c4a;
  color: #c6d5e5;
  background: #06162b;
}

.footer-content {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-content p {
  margin: 0;
}

@media (max-width: 960px) {
  .nav {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 40px;
  }

  .hero-grid,
  .trust-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 620px;
  }

  .concept-grid,
  .benefit-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .section {
    padding: 66px 0;
  }

  .site-header {
    position: static;
  }

  .nav {
    gap: 14px;
  }

  .nav .btn {
    min-height: 40px;
    padding: 0 13px;
    font-size: 0.86rem;
  }

  .nav-links {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 11vw, 3rem);
  }

  .hero-actions,
  .hero-actions .btn {
    width: 100%;
  }

  .network-map {
    min-height: 280px;
  }

  .node {
    padding: 8px 10px;
    font-size: 0.72rem;
  }

  .metric-row,
  .concept-grid,
  .benefit-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }
}