:root {
  color-scheme: light;

  --bg: #f4f4f2;
  --surface: #ffffff;
  --surface-soft: #eeeeeb;

  --text: #171918;
  --muted: #666a67;

  --line: #d7d8d3;
  --line-strong: #b9bcb7;

  --accent: #214f78;
  --accent-soft: rgba(33, 79, 120, 0.08);
  --accent-line: rgba(33, 79, 120, 0.32);

  --content: 1240px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --section-space: 112px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;

  background: var(--bg);
  color: var(--text);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  overflow-x: hidden;
}

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

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

::selection {
  background: var(--accent);
  color: #ffffff;
}

.background-grid {
  position: fixed;
  inset: 0;
  z-index: 0;

  pointer-events: none;

  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 79px,
      rgba(23, 25, 24, 0.035) 80px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 79px,
      rgba(23, 25, 24, 0.035) 80px
    );

  opacity: 0.65;
}

.site-header,
.hero,
.section,
footer {
  position: relative;
  z-index: 1;

  width: min(
    calc(100% - 48px),
    var(--content)
  );

  margin-inline: auto;
}

.site-header {
  min-height: 88px;

  display: grid;
  grid-template-columns:
    minmax(220px, 1fr)
    auto
    auto
    auto;

  align-items: center;
  gap: 30px;

  border-bottom:
    1px solid
    var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;

  width: fit-content;
}

.brand-mark {
  width: 34px;
  height: 34px;

  display: grid;
  place-items: center;

  border:
    1px solid
    var(--accent);

  border-radius: var(--radius-sm);

  color: var(--accent);

  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-name {
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;

  color: var(--muted);

  font-size: 0.86rem;
  font-weight: 560;
}

.nav a {
  position: relative;
  padding: 34px 0;
}

.nav a::after {
  content: "";

  position: absolute;
  left: 0;
  right: 100%;
  bottom: -1px;

  height: 1px;

  background: var(--accent);

  transition:
    right 160ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  right: 0;
}

.account-link {
  min-height: 38px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0 15px;

  border:
    1px solid
    var(--line-strong);

  border-radius: var(--radius-sm);

  background: transparent;

  font-size: 0.82rem;
  font-weight: 650;
}

.account-link:hover,
.account-link:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.language-control {
  display: flex;
  align-items: center;
}

.language-button {
  min-height: 38px;
  min-width: 92px;

  border:
    1px solid
    var(--line-strong);

  border-radius: var(--radius-sm);

  padding: 0 12px;

  background: transparent;

  color: var(--text);

  font-size: 0.80rem;

  cursor: pointer;
}

.language-button:hover,
.language-button:focus-visible {
  border-color: var(--accent);
}

.hero {
  min-height: 720px;

  display: grid;
  grid-template-columns:
    minmax(0, 1.12fr)
    minmax(380px, 0.88fr);

  gap: 82px;
  align-items: center;

  padding:
    78px 0
    108px;
}

.hero-copy {
  max-width: 770px;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;

  color: var(--accent);

  font-size: 0.72rem;
  font-weight: 800;

  letter-spacing: 0.20em;
}

.eyebrow::before,
.section-label::before {
  content: "";

  width: 28px;
  height: 1px;

  background: var(--accent);
}

.hero h1 {
  max-width: 800px;

  margin:
    24px 0
    26px;

  font-size:
    clamp(
      3.4rem,
      6.5vw,
      6.1rem
    );

  line-height: 0.96;
  letter-spacing: -0.055em;

  font-weight: 680;
}

.hero-description {
  max-width: 690px;

  margin: 0;

  color: var(--muted);

  font-size: 1.08rem;
  line-height: 1.78;
}

.hero-actions {
  margin-top: 36px;
}

.primary-button,
.secondary-button {
  min-height: 46px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0 18px;

  border-radius: var(--radius-sm);

  font-size: 0.84rem;
  font-weight: 700;
}

.primary-button {
  border:
    1px solid
    var(--accent);

  background: var(--accent);
  color: #ffffff;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: transparent;
  color: var(--accent);
}

.secondary-button {
  border:
    1px solid
    var(--line-strong);

  background: transparent;
}

.hero-pills {
  margin-top: 46px;

  display: grid;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  max-width: 560px;

  border-top:
    1px solid
    var(--line);

  border-left:
    1px solid
    var(--line);
}

.hero-pills span {
  min-height: 46px;

  display: flex;
  align-items: center;

  padding: 0 14px;

  border-right:
    1px solid
    var(--line);

  border-bottom:
    1px solid
    var(--line);

  color: var(--muted);

  font-size: 0.76rem;
  font-weight: 600;
}

.network-visual {
  position: relative;

  width: min(100%, 500px);
  aspect-ratio: 1;

  margin-inline: auto;

  border:
    1px solid
    var(--line);

  background: rgba(244, 244, 242, 0.78);
}

.network-visual::before,
.network-visual::after {
  content: "";

  position: absolute;

  background: var(--line);
}

.network-visual::before {
  left: 50%;
  top: 0;
  bottom: 0;

  width: 1px;
}

.network-visual::after {
  top: 50%;
  left: 0;
  right: 0;

  height: 1px;
}

.orbit {
  position: absolute;
  inset: 50% auto auto 50%;

  border:
    1px solid
    var(--accent-line);

  border-radius: 50%;

  transform:
    translate(-50%, -50%);
}

.orbit-large {
  width: 84%;
  height: 84%;
}

.orbit-medium {
  width: 60%;
  height: 60%;
}

.orbit-small {
  width: 34%;
  height: 34%;
}

.core-node {
  position: absolute;
  left: 50%;
  top: 50%;

  width: 132px;
  height: 132px;

  transform:
    translate(-50%, -50%);

  display: grid;
  place-items: center;

  border:
    1px solid
    var(--accent);

  border-radius: 50%;

  background: var(--bg);
}

.core-node span {
  color: var(--accent);

  font-size: 0.76rem;
  font-weight: 800;

  letter-spacing: 0.16em;
}

.node {
  position: absolute;

  width: 10px;
  height: 10px;

  border:
    2px solid
    var(--accent);

  border-radius: 50%;

  background: var(--bg);
}

.n1 {
  left: 7%;
  top: 47%;
}

.n2 {
  right: 9%;
  top: 31%;
}

.n3 {
  left: 28%;
  top: 14%;
}

.n4 {
  right: 24%;
  bottom: 9%;
}

.n5 {
  left: 21%;
  bottom: 22%;
}

.n6 {
  right: 26%;
  top: 39%;
}

.section {
  padding:
    var(--section-space)
    0;

  border-top:
    1px solid
    var(--line);
}

.section-heading {
  max-width: 830px;
}

.section-heading h2,
.security-panel h2,
.final-cta h2 {
  margin:
    18px 0
    20px;

  font-size:
    clamp(
      2.25rem,
      4vw,
      4rem
    );

  line-height: 1.04;
  letter-spacing: -0.045em;

  font-weight: 640;
}

.section-heading p,
.security-panel p,
.final-cta p {
  color: var(--muted);

  font-size: 1rem;
  line-height: 1.8;
}

.card-grid,
.domain-grid {
  margin-top: 58px;

  display: grid;

  border-top:
    1px solid
    var(--line);

  border-left:
    1px solid
    var(--line);
}

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

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

.feature-card,
.domain-card {
  position: relative;

  min-height: 260px;

  padding: 26px;

  border-right:
    1px solid
    var(--line);

  border-bottom:
    1px solid
    var(--line);

  background: transparent;
}

.feature-card:hover,
.domain-card:hover {
  background: rgba(255, 255, 255, 0.32);
}

.feature-number {
  color: var(--accent);

  font-size: 0.72rem;
  font-weight: 800;

  letter-spacing: 0.12em;
}

.feature-card h3,
.domain-card h3 {
  margin:
    78px 0
    14px;

  font-size: 1.2rem;
  font-weight: 660;
}

.feature-card p,
.domain-card p {
  margin: 0;

  color: var(--muted);

  font-size: 0.94rem;
  line-height: 1.7;
}

.workflow-section {
  overflow: hidden;
}

.workflow {
  margin-top: 62px;

  display: grid;
  grid-template-columns:
    repeat(5, minmax(0, 1fr));

  border:
    1px solid
    var(--line);
}

.workflow-step {
  min-height: 150px;

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  padding: 22px;

  border-right:
    1px solid
    var(--line);
}

.workflow-step:last-of-type {
  border-right: 0;
}

.workflow-step span {
  color: var(--accent);

  font-size: 0.70rem;
  font-weight: 800;
}

.workflow-step strong {
  font-size: 0.90rem;
  font-weight: 650;
}

.workflow-line {
  display: none;
}

.domain-card {
  min-height: 230px;
}

.domain-card h3 {
  margin-top: 70px;
}

.active-domain {
  border-top:
    2px solid
    var(--accent);

  background: var(--accent-soft);
}

.status-badge {
  display: inline-flex;
  align-items: center;

  min-height: 26px;

  padding: 0 8px;

  border:
    1px solid
    var(--accent-line);

  border-radius: var(--radius-sm);

  background: transparent;

  color: var(--accent);

  font-size: 0.68rem;
  font-weight: 700;
}

.status-badge.soon {
  border-color: var(--line-strong);
  color: var(--muted);
}

.security-panel {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(280px, 0.68fr);

  gap: 74px;

  padding:
    42px 0;

  border-top:
    2px solid
    var(--accent);

  border-bottom:
    1px solid
    var(--line);
}

.security-panel p {
  align-self: end;

  margin-bottom: 8px;
}

.final-cta {
  max-width: 900px;

  text-align: left;

  padding-top: 132px;
  padding-bottom: 140px;
}

.final-cta p {
  max-width: 620px;
}

footer {
  min-height: 116px;

  border-top:
    1px solid
    var(--line);

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 24px;

  color: var(--muted);

  font-size: 0.82rem;
}

.footer-brand {
  color: var(--text);

  font-weight: 800;
  letter-spacing: 0.16em;
}

.visually-hidden {
  position: absolute !important;

  width: 1px !important;
  height: 1px !important;

  padding: 0 !important;
  margin: -1px !important;

  overflow: hidden !important;

  clip: rect(
    0,
    0,
    0,
    0
  ) !important;

  white-space: nowrap !important;

  border: 0 !important;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline:
    2px solid
    var(--accent);

  outline-offset: 3px;
}

html[dir="rtl"] body {
  font-family:
    Tahoma,
    Arial,
    sans-serif;
}

html[dir="rtl"] .hero h1,
html[dir="rtl"] .section-heading h2,
html[dir="rtl"] .security-panel h2,
html[dir="rtl"] .final-cta h2 {
  letter-spacing: -0.025em;
}

html[dir="rtl"] .eyebrow::before,
html[dir="rtl"] .section-label::before {
  order: 2;
}

@media (
  prefers-reduced-motion: reduce
) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}

@media (
  max-width: 980px
) {
  .site-header {
    grid-template-columns:
      1fr
      auto
      auto;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;

    grid-template-columns:
      1fr;

    gap: 60px;

    padding-top: 70px;
  }

  .network-visual {
    max-width: 460px;

    margin-inline:
      0 auto;
  }

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

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

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

  .workflow-step {
    min-height: 94px;

    border-right: 0;
    border-bottom:
      1px solid
      var(--line);
  }

  .workflow-step:last-of-type {
    border-bottom: 0;
  }

  .security-panel {
    grid-template-columns:
      1fr;

    gap: 28px;
  }
}

@media (
  max-width: 640px
) {
  :root {
    --section-space: 82px;
  }

  .site-header,
  .hero,
  .section,
  footer {
    width:
      min(
        calc(100% - 28px),
        var(--content)
      );
  }

  .site-header {
    min-height: 74px;

    grid-template-columns:
      1fr
      auto;

    gap: 12px;
  }

  .brand-name {
    font-size: 0.82rem;
  }

  .account-link {
    display: none;
  }

  .language-button {
    min-width: 80px;
  }

  .hero {
    padding:
      62px 0
      84px;
  }

  .hero h1 {
    font-size:
      clamp(
        3rem,
        15vw,
        4.6rem
      );
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-pills {
    grid-template-columns:
      1fr;
  }

  .network-visual {
    width: 100%;
  }

  .card-grid,
  .domain-grid {
    grid-template-columns:
      1fr;
  }

  .feature-card,
  .domain-card {
    min-height: 210px;
  }

  .feature-card h3,
  .domain-card h3 {
    margin-top: 54px;
  }

  .section-heading h2,
  .security-panel h2,
  .final-cta h2 {
    font-size:
      clamp(
        2.15rem,
        11vw,
        3.2rem
      );
  }

  .final-cta {
    text-align: left;
  }

  footer {
    min-height: 140px;

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