:root {
  --bg: #080c11;
  --bg-soft: #0c1118;
  --panel: #101720;
  --panel-light: #141d28;

  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.13);

  --text: #f1f4f7;
  --muted: #8c9aaa;
  --muted-soft: #657281;

  --accent: #dfe8ef;
  --signal: #8ad5a1;

  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  background:
    radial-gradient(
      circle at 76% 11%,
      rgba(54,92,123,.12),
      transparent 29rem
    ),
    var(--bg);

  color: var(--text);

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

  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(
    var(--container),
    calc(100% - 48px)
  );

  margin: 0 auto;
}


/* ambient */

.ambient {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 999px;
  filter: blur(100px);
  opacity: .12;
}

.ambient-one {
  width: 420px;
  height: 420px;
  right: 8%;
  top: 6%;
  background: #496f8c;
}

.ambient-two {
  width: 300px;
  height: 300px;
  left: 7%;
  top: 56%;
  background: #253d4f;
}


/* header */

.header {
  position: sticky;
  top: 0;
  z-index: 50;

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

  background:
    rgba(8,12,17,.78);

  backdrop-filter: blur(18px);
}

.nav {
  height: 78px;

  display: flex;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

  display: grid;
  place-items: center;

  border: 1px solid var(--line-strong);
  border-radius: 9px;

  background:
    linear-gradient(
      145deg,
      #18212b,
      #0e141b
    );

  color: #fff;

  font-size: 14px;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-copy strong {
  font-size: 14px;
  font-weight: 650;
}

.brand-copy small {
  color: var(--muted-soft);

  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .18em;
}

.navigation {
  display: flex;
  gap: 34px;

  margin-left: auto;
  margin-right: 42px;
}

.navigation a {
  color: var(--muted);

  font-size: 13px;

  transition: color .2s ease;
}

.navigation a:hover {
  color: var(--text);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;

  padding: 9px 12px;

  border: 1px solid var(--line);
  border-radius: 999px;

  color: #a9b5c1;

  font-size: 11px;
}

.header-status span {
  width: 6px;
  height: 6px;

  border-radius: 50%;

  background: var(--signal);

  box-shadow:
    0 0 12px rgba(138,213,161,.5);
}


/* hero */

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

.hero-grid {
  min-height: 690px;

  display: grid;
  grid-template-columns:
    minmax(0,1.2fr)
    minmax(390px,.8fr);

  align-items: center;

  gap: 80px;
}

.hero-content {
  padding: 92px 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;

  margin-bottom: 26px;

  color: #91a3b4;

  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .18em;
}

.eyebrow span {
  width: 22px;
  height: 1px;

  background: #7890a4;
}

h1 {
  max-width: 760px;

  margin: 0;

  font-size: clamp(
    54px,
    5.8vw,
    82px
  );

  line-height: .97;
  letter-spacing: -.055em;

  font-weight: 570;
}

.hero-text {
  max-width: 670px;

  margin: 33px 0 0;

  color: var(--muted);

  font-size: 18px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;

  margin-top: 38px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 18px;

  padding: 14px 18px;

  border-radius: 8px;

  background: var(--text);
  color: #0b1015;

  font-size: 13px;
  font-weight: 650;
}

.primary-button span {
  font-size: 14px;
}

.text-link {
  color: #a6b3c0;
  font-size: 13px;
}


/* hero visual */

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.network-card {
  width: 100%;
  max-width: 440px;

  overflow: hidden;

  border: 1px solid var(--line-strong);
  border-radius: 18px;

  background:
    linear-gradient(
      145deg,
      rgba(20,29,40,.92),
      rgba(11,16,22,.94)
    );

  box-shadow:
    0 30px 90px rgba(0,0,0,.32);
}

.network-head {
  height: 56px;

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

  padding: 0 19px;

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

  color: #758493;

  font-size: 9px;
  letter-spacing: .16em;
}

.network-live {
  display: flex;
  align-items: center;
  gap: 7px;
}

.network-live i {
  width: 6px;
  height: 6px;

  border-radius: 50%;
  background: var(--signal);
}

.network-core {
  position: relative;

  height: 330px;

  display: grid;
  place-items: center;

  overflow: hidden;
}

.network-core::before {
  content: "";

  position: absolute;
  inset: 0;

  background-image:
    linear-gradient(
      rgba(255,255,255,.025) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255,255,255,.025) 1px,
      transparent 1px
    );

  background-size:
    34px 34px;
}

.core {
  position: relative;
  z-index: 5;

  width: 76px;
  height: 76px;

  display: grid;
  place-items: center;

  border: 1px solid rgba(255,255,255,.18);
  border-radius: 20px;

  background:
    linear-gradient(
      145deg,
      #1e2b37,
      #0f171f
    );

  box-shadow:
    0 0 60px rgba(102,146,180,.14);
}

.core span {
  font-size: 27px;
  font-weight: 650;
}

.orbit {
  position: absolute;

  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
}

.orbit-one {
  width: 190px;
  height: 190px;
}

.orbit-two {
  width: 280px;
  height: 280px;
}

.node {
  position: absolute;

  width: 7px;
  height: 7px;

  border-radius: 50%;

  border: 1px solid #8096a8;
  background: #17222d;

  z-index: 5;
}

.node-a {
  top: 70px;
  left: 50%;
}

.node-b {
  right: 71px;
  top: 50%;
}

.node-c {
  bottom: 69px;
  left: 50%;
}

.node-d {
  left: 73px;
  top: 50%;
}

.network-meta {
  display: grid;
  grid-template-columns:
    repeat(3,1fr);

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

.network-meta > div {
  padding: 18px;
}

.network-meta > div + div {
  border-left: 1px solid var(--line);
}

.network-meta small {
  display: block;

  margin-bottom: 7px;

  color: #617181;

  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .13em;
}

.network-meta strong {
  font-size: 12px;
  font-weight: 550;
}


/* trust */

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

.trust-grid {
  min-height: 115px;

  display: grid;
  grid-template-columns:
    repeat(3,1fr);
}

.trust-grid > div {
  display: flex;
  align-items: center;
  gap: 18px;

  padding: 28px 0;
}

.trust-grid > div + div {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.trust-grid span {
  color: #50606f;

  font-size: 10px;
}

.trust-grid p {
  max-width: 250px;

  margin: 0;

  color: #9aa7b4;

  font-size: 12px;
  line-height: 1.5;
}


/* sections */

.section {
  padding: 125px 0;

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

.section-dark {
  background:
    linear-gradient(
      180deg,
      rgba(15,22,30,.42),
      rgba(8,12,17,0)
    );
}

.section-intro {
  display: grid;
  grid-template-columns:
    .72fr
    1.28fr;

  gap: 70px;

  margin-bottom: 66px;
}

.section-intro > div:first-child {
  display: flex;
  gap: 12px;

  padding-top: 9px;
}

.section-number {
  color: #526272;
  font-size: 10px;
}

.section-label {
  color: #9ba9b6;

  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .16em;
}

.section-intro h2 {
  max-width: 660px;

  margin: 0;

  font-size: clamp(
    38px,
    4.3vw,
    58px
  );

  line-height: 1.04;
  letter-spacing: -.045em;

  font-weight: 540;
}

.section-intro p {
  max-width: 660px;

  margin: 25px 0 0;

  color: var(--muted);

  font-size: 16px;
  line-height: 1.7;
}


/* cards */

.service-grid {
  display: grid;
  grid-template-columns:
    repeat(3,1fr);

  gap: 16px;
}

.service-card {
  min-height: 330px;

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

  padding: 28px;

  border: 1px solid var(--line);
  border-radius: 15px;

  background:
    linear-gradient(
      155deg,
      rgba(21,30,41,.93),
      rgba(12,18,25,.95)
    );

  transition:
    transform .25s ease,
    border-color .25s ease;
}

.service-card:hover {
  transform: translateY(-4px);

  border-color:
    rgba(255,255,255,.16);
}

.service-card.featured {
  background:
    radial-gradient(
      circle at 90% 0,
      rgba(80,119,148,.17),
      transparent 15rem
    ),
    linear-gradient(
      155deg,
      #17222d,
      #0d141b
    );
}

.card-icon {
  width: 39px;
  height: 39px;

  display: grid;
  place-items: center;

  border: 1px solid var(--line);
  border-radius: 9px;

  color: #758696;

  font-size: 10px;
}

.service-card h3 {
  margin: 0 0 14px;

  font-size: 21px;
  font-weight: 560;

  letter-spacing: -.025em;
}

.service-card p {
  max-width: 300px;

  margin: 0;

  color: var(--muted);

  font-size: 14px;
  line-height: 1.65;
}

.card-footer {
  display: flex;
  justify-content: space-between;

  padding-top: 20px;

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

  color: #5f6e7b;

  font-size: 9px;
  letter-spacing: .15em;
}


/* architecture */

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

.architecture-main {
  display: grid;
  grid-template-columns:
    150px 1fr;

  gap: 34px;

  padding: 31px 0;

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

.arch-index {
  color: #536271;

  font-size: 10px;
}

.architecture-main h3 {
  margin: 0 0 10px;

  font-size: 18px;
  font-weight: 550;
}

.architecture-main p {
  max-width: 600px;

  margin: 0;

  color: var(--muted);

  font-size: 14px;
  line-height: 1.65;
}


/* status */

.status-section {
  padding: 85px 0;
}

.status-panel {
  min-height: 150px;

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

  padding: 35px 40px;

  border: 1px solid var(--line-strong);
  border-radius: 16px;

  background:
    linear-gradient(
      145deg,
      rgba(20,29,39,.9),
      rgba(10,15,21,.95)
    );
}

.status-left {
  display: flex;
  align-items: center;
  gap: 22px;
}

.status-dot {
  width: 12px;
  height: 12px;

  border-radius: 50%;

  background: var(--signal);

  box-shadow:
    0 0 22px rgba(138,213,161,.5);
}

.status-left small {
  display: block;

  margin-bottom: 8px;

  color: #697986;

  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.status-left h2 {
  margin: 0;

  font-size: 25px;
  font-weight: 540;
  letter-spacing: -.025em;
}

.status-right {
  text-align: right;
}

.status-right span,
.status-right strong {
  display: block;
}

.status-right span {
  margin-bottom: 8px;

  color: #62717f;

  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .13em;
}

.status-right strong {
  color: #a9b4bf;

  font-size: 12px;
  font-weight: 500;
}


/* footer */

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

.footer-grid {
  min-height: 130px;

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-brand strong {
  font-size: 13px;
}

.footer-brand small {
  color: #5f6d79;

  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.footer-meta {
  display: flex;
  gap: 30px;

  color: #5f6d79;

  font-size: 11px;
}


/* responsive */

@media (max-width: 980px) {

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

    gap: 10px;

    padding-bottom: 70px;
  }

  .hero-content {
    padding-bottom: 30px;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .network-card {
    max-width: 520px;
  }

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

  .service-card {
    min-height: 270px;
  }

}


@media (max-width: 720px) {

  .container {
    width: min(
      100% - 30px,
      var(--container)
    );
  }

  .navigation,
  .header-status {
    display: none;
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-content {
    padding-top: 70px;
  }

  h1 {
    font-size: 49px;
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .network-core {
    height: 280px;
  }

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

  .trust-grid > div + div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .section {
    padding: 85px 0;
  }

  .section-intro {
    grid-template-columns: 1fr;

    gap: 28px;
  }

  .architecture-main {
    grid-template-columns: 50px 1fr;
  }

  .status-panel {
    align-items: flex-start;
    flex-direction: column;

    gap: 30px;
  }

  .status-right {
    text-align: left;
  }

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

    gap: 25px;
  }

  .footer-meta {
    flex-direction: column;
    gap: 7px;
  }

}


/* =========================================================
   FINAL POLISH
   ========================================================= */


/* slightly calmer overall contrast */

:root {
  --text: #edf1f4;
  --muted: #8896a4;
  --muted-soft: #5f6d7a;

  --line: rgba(255,255,255,.065);
  --line-strong: rgba(255,255,255,.115);
}


/* header */

.nav {
  height: 76px;
}

.brand-copy strong {
  letter-spacing: -.015em;
}

.brand-copy small {
  opacity: .75;
}

.navigation {
  gap: 38px;
}

.navigation a {
  font-size: 12px;
}

.header-status {
  border-color: rgba(255,255,255,.075);
  background: rgba(255,255,255,.012);
}


/* hero */

.hero-grid {
  min-height: 660px;

  grid-template-columns:
    minmax(0,1.12fr)
    minmax(400px,.88fr);

  gap: 92px;
}

.hero-content {
  padding-top: 102px;
  padding-bottom: 102px;
}

h1 {
  max-width: 720px;

  font-size: clamp(
    51px,
    5.15vw,
    74px
  );

  line-height: .99;
  letter-spacing: -.052em;
}

.hero-text {
  max-width: 630px;

  margin-top: 31px;

  font-size: 17px;
  line-height: 1.75;
}

.eyebrow {
  margin-bottom: 29px;

  color: #8799a9;

  font-size: 10px;
}


/* calmer premium CTA */

.primary-button {
  padding: 14px 19px;

  border:
    1px solid rgba(255,255,255,.18);

  background:
    linear-gradient(
      180deg,
      #e1e7eb,
      #d4dce2
    );

  color: #10161c;

  box-shadow:
    0 8px 26px rgba(0,0,0,.16);

  transition:
    transform .2s ease,
    background .2s ease;
}

.primary-button:hover {
  transform: translateY(-1px);

  background:
    linear-gradient(
      180deg,
      #edf1f4,
      #dbe2e7
    );
}

.text-link {
  color: #8997a5;
}

.text-link:hover {
  color: #c7d0d7;
}


/* network interface */

.network-card {
  max-width: 430px;

  border-color:
    rgba(255,255,255,.105);

  background:
    radial-gradient(
      circle at 50% 36%,
      rgba(70,105,130,.075),
      transparent 15rem
    ),
    linear-gradient(
      155deg,
      rgba(18,27,37,.97),
      rgba(9,14,20,.98)
    );

  box-shadow:
    0 35px 110px rgba(0,0,0,.36);
}

.network-head {
  color: #697b8b;
}

.network-meta strong {
  color: #d5dce2;
  font-size: 11px;
}

.core {
  box-shadow:
    0 0 70px rgba(107,150,181,.12);
}


/* transition strip */

.trust-grid {
  min-height: 122px;
}

.trust-grid p {
  color: #8c99a6;
}


/* content sections */

.section {
  padding-top: 142px;
  padding-bottom: 142px;
}

.section-intro {
  margin-bottom: 76px;

  grid-template-columns:
    .68fr
    1.32fr;

  gap: 82px;
}

.section-intro h2 {
  max-width: 690px;

  font-size: clamp(
    38px,
    4vw,
    55px
  );

  line-height: 1.07;
}

.section-intro p {
  max-width: 625px;

  margin-top: 28px;
}


/* premium cards */

.service-grid {
  gap: 18px;
}

.service-card {
  min-height: 340px;

  padding: 30px;

  border-color:
    rgba(255,255,255,.07);

  background:
    linear-gradient(
      150deg,
      rgba(19,28,38,.89),
      rgba(10,15,21,.97)
    );

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.012);
}

.service-card:hover {
  transform: translateY(-3px);

  border-color:
    rgba(255,255,255,.13);
}

.service-card.featured {
  background:
    radial-gradient(
      circle at 90% 0,
      rgba(82,120,150,.13),
      transparent 16rem
    ),
    linear-gradient(
      150deg,
      rgba(21,32,43,.96),
      rgba(10,16,22,.98)
    );
}

.service-card h3 {
  font-size: 20px;
}

.card-footer {
  color: #53616e;
}


/* architecture rows */

.architecture-main {
  padding-top: 35px;
  padding-bottom: 35px;
}

.architecture-main h3 {
  font-size: 19px;
}


/* status */

.status-section {
  padding-top: 105px;
  padding-bottom: 105px;
}

.status-panel {
  min-height: 160px;

  padding-left: 42px;
  padding-right: 42px;

  background:
    radial-gradient(
      circle at 8% 50%,
      rgba(91,139,108,.055),
      transparent 17rem
    ),
    linear-gradient(
      145deg,
      rgba(18,27,36,.93),
      rgba(9,14,20,.98)
    );
}


/* footer */

.footer-grid {
  min-height: 145px;
}


/* typography refinement */

p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  text-wrap: balance;
}


/* mobile */

@media (max-width: 980px) {

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

  .network-card {
    max-width: 540px;
  }

}


@media (max-width: 720px) {

  .hero-content {
    padding-top: 64px;
    padding-bottom: 42px;
  }

  h1 {
    font-size: 46px;
    line-height: 1.01;
  }

  .hero-text {
    font-size: 15px;
  }

  .section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .section-intro {
    margin-bottom: 45px;
  }

}
