:root {
  font-family: "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #143b41;
  background: #f6f9f7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 56px)); margin-inline: auto; }

.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 12px 18px;
  background: #fff;
  border-radius: 10px;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid #e4ae58; outline-offset: 4px; }

.site-header {
  position: relative;
  z-index: 3;
  background: #fff;
  border-bottom: 1px solid #e4ece9;
}
.header-content {
  min-height: 89px;
  display: flex;
  align-items: center;
  gap: 34px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 27px; font-weight: 750; letter-spacing: -1.4px; white-space: nowrap; }
.brand-emphasis, .footer-brand span { color: #188c79; }
.brand-mark {
  width: 39px; height: 39px; border-radius: 12px;
  background: #17454b; display: flex; align-items: center;
  justify-content: center; gap: 3px; overflow: hidden;
  transform: rotate(-5deg);
}
.brand-mark span { height: 17px; width: 5px; border-radius: 6px; background: #bfe9d5; transform: rotate(20deg); }
.brand-mark span:nth-child(2) { height: 25px; background: #80cfad; }
.brand-mark span:nth-child(3) { height: 12px; background: #e7c48e; }
.nav-links { margin-left: auto; display: flex; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; font-size: 14px; font-weight: 600; color: #507078; }
.nav-links a:hover, .text-link:hover, .site-footer a:hover { color: #108572; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 16px; text-align: center; text-decoration: none;
  font-weight: 700; font-size: 14px; line-height: 1.35;
  border-radius: 11px; border: 1px solid transparent;
  padding: 14px 20px; transition: background .2s ease, transform .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: #167e70; color: #fff; }
.button-primary:hover { background: #11695e; color: #fff; }
.button-large { padding: 17px 22px; }
.button-arrow { font-size: 19px; font-weight: 500; line-height: 1; }

.hero {
  background:
    radial-gradient(ellipse at 86% 14%, rgba(194,233,218,.46), transparent 42%),
    linear-gradient(150deg, #f5f9f7 0%, #eaf4ef 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(28px, 6vw, 90px); align-items: center;
  min-height: 585px; padding-block: 80px 95px;
}
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 27px; color: #137966; font-size: 11px;
  font-weight: 800; letter-spacing: 2.1px; text-transform: uppercase;
}
.eyebrow-line { width: 27px; height: 2px; background: #1b9f85; flex: 0 0 auto; }
.hero h1 { font-size: clamp(45px, 5.3vw, 69px); letter-spacing: -3.2px; line-height: 1.08; margin: 0 0 24px; max-width: 650px; }
.hero h1 span { color: #16856f; }
.hero-description { font-size: 16px; line-height: 1.85; max-width: 535px; color: #4c6e74; margin: 0 0 30px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }
.text-link { text-decoration: none; font-size: 14px; font-weight: 700; color: #2c6464; white-space: nowrap; }
.text-link span { margin-left: 7px; }
.hero-note { font-size: 12px; color: #718a8b; margin: 23px 0 0; }

.network-visual {
  position: relative; padding: 30px;
  background: #fff; border: 1px solid #e1ece5;
  border-radius: 26px;
  box-shadow: 0 28px 70px rgba(17, 72, 63, .09);
  min-height: 410px;
}
.network-visual::before {
  content: ""; position: absolute; width: 295px; height: 295px; border-radius: 50%;
  border: 1px dashed #d5e9de; left: 50%; top: 46%; transform: translate(-50%, -50%);
  pointer-events: none;
}
.visual-heading { display: flex; gap: 9px; align-items: center; color: #718e87; letter-spacing: 1.9px; font-size: 10px; font-weight: 750; }
.visual-status { display: inline-block; height: 8px; width: 8px; background: #29b68b; border-radius: 50%; }
.network-center {
  position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center;
  width: 141px; height: 141px; margin: 28px auto 22px; border-radius: 50%;
  background: linear-gradient(145deg,#1c6665,#123c49); box-shadow: 0 16px 35px rgba(19,81,70,.21);
  color: #ecf9f3; font-weight: 700; font-size: 14px; gap: 3px;
}
.center-symbol { font-weight: 800; letter-spacing: -4px; font-size: 38px; line-height: 1.2; }
.center-symbol span { color: #9fdec1; }
.network-items { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.network-item {
  display: flex; align-items: center; gap: 9px; background: #f8fbfa;
  border: 1px solid #e5efea; border-radius: 12px;
  padding: 16px 13px; font-size: 13px; font-weight: 700;
}
.item-indicator { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.indicator-a { background: #71c3a7; }
.indicator-b { background: #d9b66b; }
.indicator-c { background: #7fa9ce; }
.indicator-d { background: #9eadd4; }
.item-dot { margin-left: auto; width: 5px; height: 5px; border-radius: 50%; background: #c7dbd2; }
.visual-footnote { margin-top: 24px; text-align: center; color: #79938b; font-size: 11px; }

.section { padding-block: 92px 100px; }
.features { background: #fff; }
.section-intro { max-width: 690px; margin-bottom: 41px; }
.section-intro .eyebrow { margin-bottom: 19px; }
.section-intro h2 { font-size: clamp(33px, 4vw, 45px); letter-spacing: -1.7px; margin: 0 0 14px; }
.section-intro > p:last-child { color: #5d777b; font-size: 16px; line-height: 1.85; margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature-card { background: #f7faf8; border: 1px solid #e5eeea; border-radius: 18px; padding: 30px 28px 31px; }
.feature-number { font-size: 13px; color: #188a74; font-weight: 800; letter-spacing: 1px; }
.feature-card h3 { font-size: 22px; margin: 22px 0 9px; letter-spacing: -.5px; }
.feature-card p { font-size: 14px; line-height: 1.8; color: #647c7c; margin: 0; }

.access-section { background: #174a50; color: #fff; padding-block: 55px; }
.access-content { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.access-eyebrow { margin: 0 0 11px; font-size: 11px; font-weight: 800; letter-spacing: 1.6px; color: #a9dec9; }
.access-content h2 { margin: 0; letter-spacing: -1px; line-height: 1.3; font-size: clamp(25px, 3.5vw, 34px); font-weight: 700; max-width: 600px; }
.button-light { background: #fff; color: #125f56; flex-shrink: 0; }
.button-light:hover { background: #e4f2e9; }
.site-footer { background: #fff; }
.footer-content { padding-block: 25px; display: flex; align-items: center; gap: 28px; color: #7c9090; font-size: 12px; }
.footer-brand { color: #224a4b; font-size: 21px; font-weight: 800; letter-spacing: -.9px; white-space: nowrap; }
.site-footer a { text-decoration: none; color: #50757a; font-weight: 700; margin-left: auto; white-space: nowrap; }

@media (max-width: 970px) {
  .nav-links { gap: 16px; }
  .hero-grid { gap: 28px; }
  .hero h1 { font-size: clamp(40px, 5vw, 56px); }
  .hero-actions { gap: 17px; }
  .network-visual { padding: 23px; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 36px, 580px); }
  .header-content { min-height: 74px; gap: 12px; }
  .brand { font-size: 23px; }
  .brand-mark { width: 34px; height: 34px; }
  .nav-links { display: none; }
  .header-login { margin-left: auto; padding: 12px 13px; font-size: 12px; gap: 8px; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 66px 69px; }
  .hero h1 { font-size: clamp(41px, 11vw, 58px); }
  .hero-description { font-size: 15px; }
  .network-visual { max-width: 510px; width: 100%; margin-inline: auto; }
  .section { padding-block: 68px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { padding: 23px; }
  .feature-card h3 { margin-top: 12px; }
  .access-content { flex-direction: column; align-items: flex-start; }
  .footer-content { flex-wrap: wrap; gap: 12px 24px; }
}
@media (max-width: 420px) {
  .eyebrow { font-size: 9px; letter-spacing: 1.35px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; font-size: 13px; }
  .network-visual { min-height: auto; padding: 18px; }
  .network-item { padding: 13px 10px; font-size: 12px; }
  .network-center { width: 125px; height: 125px; }
  .network-visual::before { width: 230px; height: 230px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  .button { transition: none; }
}